surfaceflinger: remove TARGET_USES_HWC2
Remove TARGET_USES_HWC2 and assume it to be true. Remove the unused
SurfaceFlinger_hwc1.cpp and DisplayHardware/HWComposer_hwc1.cpp.
This is expected to break some devices. All affected devices should
add
PRODUCT_PACKAGES += android.hardware.graphics.composer@2.1-impl
to their device.mk and update their manifest.xml. In the worse
case, we want to fork frameworks/native/services/surfaceflinger
before this change to
frameworks/native/services/surfaceflinger_hwc1.
Test: boots taimen and hikey960
Change-Id: I27ddd4c6c8af3c39cda99d94002d179486575b28
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 7115ad6..469e598 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -20,6 +20,7 @@
LayerVector.cpp \
MessageQueue.cpp \
MonitoredProducer.cpp \
+ SurfaceFlinger.cpp \
SurfaceFlingerConsumer.cpp \
SurfaceInterceptor.cpp \
SurfaceTracing.cpp \
@@ -27,6 +28,7 @@
DisplayHardware/ComposerHal.cpp \
DisplayHardware/FramebufferSurface.cpp \
DisplayHardware/HWC2.cpp \
+ DisplayHardware/HWComposer.cpp \
DisplayHardware/HWComposerBufferCache.cpp \
DisplayHardware/PowerHAL.cpp \
DisplayHardware/VirtualDisplaySurface.cpp \
@@ -52,17 +54,7 @@
LOCAL_CFLAGS := -DLOG_TAG=\"SurfaceFlinger\"
LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
-
-ifeq ($(TARGET_USES_HWC2),true)
- LOCAL_CFLAGS += -DUSE_HWC2
- LOCAL_SRC_FILES += \
- SurfaceFlinger.cpp \
- DisplayHardware/HWComposer.cpp
-else
- LOCAL_SRC_FILES += \
- SurfaceFlinger_hwc1.cpp \
- DisplayHardware/HWComposer_hwc1.cpp
-endif
+LOCAL_CFLAGS += -DUSE_HWC2
LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
@@ -128,9 +120,7 @@
LOCAL_INIT_RC := surfaceflinger.rc
-ifeq ($(TARGET_USES_HWC2),true)
- LOCAL_CFLAGS += -DUSE_HWC2
-endif
+LOCAL_CFLAGS += -DUSE_HWC2
LOCAL_SRC_FILES := \
main_surfaceflinger.cpp
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer_hwc1.cpp b/services/surfaceflinger/DisplayHardware/HWComposer_hwc1.cpp
deleted file mode 100644
index dcb2913..0000000
--- a/services/surfaceflinger/DisplayHardware/HWComposer_hwc1.cpp
+++ /dev/null
@@ -1,1346 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include <inttypes.h>
-#include <math.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/misc.h>
-#include <utils/NativeHandle.h>
-#include <utils/String8.h>
-#include <utils/Thread.h>
-#include <utils/Trace.h>
-#include <utils/Vector.h>
-
-#include <ui/GraphicBuffer.h>
-
-#include <hardware/hardware.h>
-#include <hardware/hwcomposer.h>
-
-#include <android/configuration.h>
-
-#include <cutils/properties.h>
-#include <log/log.h>
-
-#include <system/graphics.h>
-
-#include "HWComposer.h"
-
-#include "../Layer.h" // needed only for debugging
-#include "../SurfaceFlinger.h"
-
-namespace android {
-
-#define MIN_HWC_HEADER_VERSION HWC_HEADER_VERSION
-
-static uint32_t hwcApiVersion(const hwc_composer_device_1_t* hwc) {
- uint32_t hwcVersion = hwc->common.version;
- return hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK;
-}
-
-static uint32_t hwcHeaderVersion(const hwc_composer_device_1_t* hwc) {
- uint32_t hwcVersion = hwc->common.version;
- return hwcVersion & HARDWARE_API_VERSION_2_HEADER_MASK;
-}
-
-static bool hwcHasApiVersion(const hwc_composer_device_1_t* hwc,
- uint32_t version) {
- return hwcApiVersion(hwc) >= (version & HARDWARE_API_VERSION_2_MAJ_MIN_MASK);
-}
-
-// ---------------------------------------------------------------------------
-
-struct HWComposer::cb_context {
- struct callbacks : public hwc_procs_t {
- // these are here to facilitate the transition when adding
- // new callbacks (an implementation can check for NULL before
- // calling a new callback).
- void (*zero[4])(void);
- };
- callbacks procs;
- HWComposer* hwc;
-};
-
-// ---------------------------------------------------------------------------
-
-HWComposer::HWComposer(
- const sp<SurfaceFlinger>& flinger,
- EventHandler& handler)
- : mFlinger(flinger),
- mFbDev(0), mHwc(0), mNumDisplays(1),
- mCBContext(new cb_context),
- mEventHandler(handler),
- mDebugForceFakeVSync(false)
-{
- for (size_t i =0 ; i<MAX_HWC_DISPLAYS ; i++) {
- mLists[i] = 0;
- }
-
- for (size_t i=0 ; i<HWC_NUM_PHYSICAL_DISPLAY_TYPES ; i++) {
- mLastHwVSync[i] = 0;
- mVSyncCounts[i] = 0;
- }
-
- char value[PROPERTY_VALUE_MAX];
- property_get("debug.sf.no_hw_vsync", value, "0");
- mDebugForceFakeVSync = atoi(value);
-
- bool needVSyncThread = true;
-
- // Note: some devices may insist that the FB HAL be opened before HWC.
- int fberr = loadFbHalModule();
- loadHwcModule();
-
- if (mFbDev && mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // close FB HAL if we don't needed it.
- // FIXME: this is temporary until we're not forced to open FB HAL
- // before HWC.
- framebuffer_close(mFbDev);
- mFbDev = NULL;
- }
-
- // If we have no HWC, or a pre-1.1 HWC, an FB dev is mandatory.
- if ((!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- && !mFbDev) {
- ALOGE("ERROR: failed to open framebuffer (%s), aborting",
- strerror(-fberr));
- abort();
- }
-
- // these display IDs are always reserved
- for (size_t i=0 ; i<NUM_BUILTIN_DISPLAYS ; i++) {
- mAllocatedDisplayIDs.markBit(i);
- }
-
- if (mHwc) {
- ALOGI("Using %s version %u.%u", HWC_HARDWARE_COMPOSER,
- (hwcApiVersion(mHwc) >> 24) & 0xff,
- (hwcApiVersion(mHwc) >> 16) & 0xff);
- if (mHwc->registerProcs) {
- mCBContext->hwc = this;
- mCBContext->procs.invalidate = &hook_invalidate;
- mCBContext->procs.vsync = &hook_vsync;
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- mCBContext->procs.hotplug = &hook_hotplug;
- else
- mCBContext->procs.hotplug = NULL;
- memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero));
- mHwc->registerProcs(mHwc, &mCBContext->procs);
- }
-
- // don't need a vsync thread if we have a hardware composer
- needVSyncThread = false;
- // always turn vsync off when we start
- eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
-
- // the number of displays we actually have depends on the
- // hw composer version
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
- // 1.3 adds support for virtual displays
- mNumDisplays = MAX_HWC_DISPLAYS;
- } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // 1.1 adds support for multiple displays
- mNumDisplays = NUM_BUILTIN_DISPLAYS;
- } else {
- mNumDisplays = 1;
- }
- }
-
- if (mFbDev) {
- ALOG_ASSERT(!(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)),
- "should only have fbdev if no hwc or hwc is 1.0");
-
- DisplayData& disp(mDisplayData[HWC_DISPLAY_PRIMARY]);
- disp.connected = true;
- disp.format = mFbDev->format;
- DisplayConfig config = DisplayConfig();
- config.width = mFbDev->width;
- config.height = mFbDev->height;
- config.xdpi = mFbDev->xdpi;
- config.ydpi = mFbDev->ydpi;
- config.refresh = nsecs_t(1e9 / mFbDev->fps);
- disp.configs.push_back(config);
- disp.currentConfig = 0;
- } else if (mHwc) {
- // here we're guaranteed to have at least HWC 1.1
- for (size_t i =0 ; i<NUM_BUILTIN_DISPLAYS ; i++) {
- queryDisplayProperties(i);
- }
- }
-
- if (needVSyncThread) {
- // we don't have VSYNC support, we need to fake it
- mVSyncThread = new VSyncThread(*this);
- }
-}
-
-HWComposer::~HWComposer() {
- if (mHwc) {
- eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
- }
- if (mVSyncThread != NULL) {
- mVSyncThread->requestExitAndWait();
- }
- if (mHwc) {
- hwc_close_1(mHwc);
- }
- if (mFbDev) {
- framebuffer_close(mFbDev);
- }
- delete mCBContext;
-}
-
-// Load and prepare the hardware composer module. Sets mHwc.
-void HWComposer::loadHwcModule()
-{
- hw_module_t const* module;
-
- if (hw_get_module(HWC_HARDWARE_MODULE_ID, &module) != 0) {
- ALOGE("%s module not found", HWC_HARDWARE_MODULE_ID);
- return;
- }
-
- int err = hwc_open_1(module, &mHwc);
- if (err) {
- ALOGE("%s device failed to initialize (%s)",
- HWC_HARDWARE_COMPOSER, strerror(-err));
- return;
- }
-
- if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0) ||
- hwcHeaderVersion(mHwc) < MIN_HWC_HEADER_VERSION ||
- hwcHeaderVersion(mHwc) > HWC_HEADER_VERSION) {
- ALOGE("%s device version %#x unsupported, will not be used",
- HWC_HARDWARE_COMPOSER, mHwc->common.version);
- hwc_close_1(mHwc);
- mHwc = NULL;
- return;
- }
-}
-
-// Load and prepare the FB HAL, which uses the gralloc module. Sets mFbDev.
-int HWComposer::loadFbHalModule()
-{
- hw_module_t const* module;
-
- int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
- if (err != 0) {
- ALOGE("%s module not found", GRALLOC_HARDWARE_MODULE_ID);
- return err;
- }
-
- return framebuffer_open(module, &mFbDev);
-}
-
-status_t HWComposer::initCheck() const {
- return mHwc ? NO_ERROR : NO_INIT;
-}
-
-void HWComposer::hook_invalidate(const struct hwc_procs* procs) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->invalidate();
-}
-
-void HWComposer::hook_vsync(const struct hwc_procs* procs, int disp,
- int64_t timestamp) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->vsync(disp, timestamp);
-}
-
-void HWComposer::hook_hotplug(const struct hwc_procs* procs, int disp,
- int connected) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->hotplug(disp, connected);
-}
-
-void HWComposer::invalidate() {
- mEventHandler.onInvalidateReceived(this);
-}
-
-void HWComposer::vsync(int disp, int64_t timestamp) {
- if (uint32_t(disp) < HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
- {
- Mutex::Autolock _l(mLock);
-
- // There have been reports of HWCs that signal several vsync events
- // with the same timestamp when turning the display off and on. This
- // is a bug in the HWC implementation, but filter the extra events
- // out here so they don't cause havoc downstream.
- if (timestamp == mLastHwVSync[disp]) {
- ALOGW("Ignoring duplicate VSYNC event from HWC (t=%" PRId64 ")",
- timestamp);
- return;
- }
-
- mLastHwVSync[disp] = timestamp;
- }
-
- char tag[16];
- snprintf(tag, sizeof(tag), "HW_VSYNC_%1u", disp);
- ATRACE_INT(tag, ++mVSyncCounts[disp] & 1);
-
- mEventHandler.onVSyncReceived(this, disp, timestamp);
- }
-}
-
-void HWComposer::hotplug(int disp, int connected) {
- if (disp >= VIRTUAL_DISPLAY_ID_BASE) {
- ALOGE("hotplug event received for invalid display: disp=%d connected=%d",
- disp, connected);
- return;
- }
- queryDisplayProperties(disp);
- // Do not teardown or recreate the primary display
- if (disp != HWC_DISPLAY_PRIMARY) {
- mEventHandler.onHotplugReceived(this, disp, bool(connected));
- }
-}
-
-static float getDefaultDensity(uint32_t width, uint32_t height) {
- // Default density is based on TVs: 1080p displays get XHIGH density,
- // lower-resolution displays get TV density. Maybe eventually we'll need
- // to update it for 4K displays, though hopefully those just report
- // accurate DPI information to begin with. This is also used for virtual
- // displays and even primary displays with older hwcomposers, so be
- // careful about orientation.
-
- uint32_t h = width < height ? width : height;
- if (h >= 1080) return ACONFIGURATION_DENSITY_XHIGH;
- else return ACONFIGURATION_DENSITY_TV;
-}
-
-static const uint32_t DISPLAY_ATTRIBUTES[] = {
- HWC_DISPLAY_VSYNC_PERIOD,
- HWC_DISPLAY_WIDTH,
- HWC_DISPLAY_HEIGHT,
- HWC_DISPLAY_DPI_X,
- HWC_DISPLAY_DPI_Y,
- HWC_DISPLAY_COLOR_TRANSFORM,
- HWC_DISPLAY_NO_ATTRIBUTE,
-};
-#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0])
-
-static const uint32_t PRE_HWC15_DISPLAY_ATTRIBUTES[] = {
- HWC_DISPLAY_VSYNC_PERIOD,
- HWC_DISPLAY_WIDTH,
- HWC_DISPLAY_HEIGHT,
- HWC_DISPLAY_DPI_X,
- HWC_DISPLAY_DPI_Y,
- HWC_DISPLAY_NO_ATTRIBUTE,
-};
-
-status_t HWComposer::queryDisplayProperties(int disp) {
-
- LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
-
- // use zero as default value for unspecified attributes
- int32_t values[NUM_DISPLAY_ATTRIBUTES - 1];
- memset(values, 0, sizeof(values));
-
- const size_t MAX_NUM_CONFIGS = 128;
- uint32_t configs[MAX_NUM_CONFIGS] = {0};
- size_t numConfigs = MAX_NUM_CONFIGS;
- status_t err = mHwc->getDisplayConfigs(mHwc, disp, configs, &numConfigs);
- if (err != NO_ERROR) {
- // this can happen if an unpluggable display is not connected
- mDisplayData[disp].connected = false;
- return err;
- }
-
- mDisplayData[disp].currentConfig = 0;
- for (size_t c = 0; c < numConfigs; ++c) {
- err = mHwc->getDisplayAttributes(mHwc, disp, configs[c],
- DISPLAY_ATTRIBUTES, values);
- // If this is a pre-1.5 HWC, it may not know about color transform, so
- // try again with a smaller set of attributes
- if (err != NO_ERROR) {
- err = mHwc->getDisplayAttributes(mHwc, disp, configs[c],
- PRE_HWC15_DISPLAY_ATTRIBUTES, values);
- }
- if (err != NO_ERROR) {
- // we can't get this display's info. turn it off.
- mDisplayData[disp].connected = false;
- return err;
- }
-
- DisplayConfig config = DisplayConfig();
- for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) {
- switch (DISPLAY_ATTRIBUTES[i]) {
- case HWC_DISPLAY_VSYNC_PERIOD:
- config.refresh = nsecs_t(values[i]);
- break;
- case HWC_DISPLAY_WIDTH:
- config.width = values[i];
- break;
- case HWC_DISPLAY_HEIGHT:
- config.height = values[i];
- break;
- case HWC_DISPLAY_DPI_X:
- config.xdpi = values[i] / 1000.0f;
- break;
- case HWC_DISPLAY_DPI_Y:
- config.ydpi = values[i] / 1000.0f;
- break;
- case HWC_DISPLAY_COLOR_TRANSFORM:
- config.colorMode = static_cast<android_color_mode_t>(values[i]);
- break;
- default:
- ALOG_ASSERT(false, "unknown display attribute[%zu] %#x",
- i, DISPLAY_ATTRIBUTES[i]);
- break;
- }
- }
-
- if (config.xdpi == 0.0f || config.ydpi == 0.0f) {
- float dpi = getDefaultDensity(config.width, config.height);
- config.xdpi = dpi;
- config.ydpi = dpi;
- }
-
- mDisplayData[disp].configs.push_back(config);
- }
-
- // FIXME: what should we set the format to?
- mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888;
- mDisplayData[disp].connected = true;
- return NO_ERROR;
-}
-
-status_t HWComposer::setVirtualDisplayProperties(int32_t id,
- uint32_t w, uint32_t h, uint32_t format) {
- if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) ||
- !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- size_t configId = mDisplayData[id].currentConfig;
- mDisplayData[id].format = format;
- DisplayConfig& config = mDisplayData[id].configs.editItemAt(configId);
- config.width = w;
- config.height = h;
- config.xdpi = config.ydpi = getDefaultDensity(w, h);
- return NO_ERROR;
-}
-
-int32_t HWComposer::allocateDisplayId() {
- if (mAllocatedDisplayIDs.count() >= mNumDisplays) {
- return NO_MEMORY;
- }
- int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit();
- mAllocatedDisplayIDs.markBit(id);
- mDisplayData[id].connected = true;
- mDisplayData[id].configs.resize(1);
- mDisplayData[id].currentConfig = 0;
- return id;
-}
-
-status_t HWComposer::freeDisplayId(int32_t id) {
- if (id < NUM_BUILTIN_DISPLAYS) {
- // cannot free the reserved IDs
- return BAD_VALUE;
- }
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- mAllocatedDisplayIDs.clearBit(id);
- mDisplayData[id].connected = false;
- return NO_ERROR;
-}
-
-nsecs_t HWComposer::getRefreshTimestamp(int disp) const {
- // this returns the last refresh timestamp.
- // if the last one is not available, we estimate it based on
- // the refresh period and whatever closest timestamp we have.
- Mutex::Autolock _l(mLock);
- nsecs_t now = systemTime(CLOCK_MONOTONIC);
- size_t configId = mDisplayData[disp].currentConfig;
- return now - ((now - mLastHwVSync[disp]) %
- mDisplayData[disp].configs[configId].refresh);
-}
-
-sp<Fence> HWComposer::getDisplayFence(int disp) const {
- return mDisplayData[disp].lastDisplayFence;
-}
-
-uint32_t HWComposer::getFormat(int disp) const {
- if (static_cast<uint32_t>(disp) >= MAX_HWC_DISPLAYS || !mAllocatedDisplayIDs.hasBit(disp)) {
- return HAL_PIXEL_FORMAT_RGBA_8888;
- } else {
- return mDisplayData[disp].format;
- }
-}
-
-bool HWComposer::isConnected(int disp) const {
- return mDisplayData[disp].connected;
-}
-
-uint32_t HWComposer::getWidth(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].width;
-}
-
-uint32_t HWComposer::getHeight(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].height;
-}
-
-float HWComposer::getDpiX(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].xdpi;
-}
-
-float HWComposer::getDpiY(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].ydpi;
-}
-
-nsecs_t HWComposer::getRefreshPeriod(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].refresh;
-}
-
-android_color_mode_t HWComposer::getColorMode(int disp) const {
- size_t currentConfig = mDisplayData[disp].currentConfig;
- return mDisplayData[disp].configs[currentConfig].colorMode;
-}
-
-const Vector<HWComposer::DisplayConfig>& HWComposer::getConfigs(int disp) const {
- return mDisplayData[disp].configs;
-}
-
-size_t HWComposer::getCurrentConfig(int disp) const {
- return mDisplayData[disp].currentConfig;
-}
-
-void HWComposer::eventControl(int disp, int event, int enabled) {
- if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) {
- ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)",
- event, disp, enabled);
- return;
- }
- if (event != EVENT_VSYNC) {
- ALOGW("eventControl got unexpected event %d (disp=%d en=%d)",
- event, disp, enabled);
- return;
- }
- status_t err = NO_ERROR;
- if (mHwc && !mDebugForceFakeVSync) {
- // NOTE: we use our own internal lock here because we have to call
- // into the HWC with the lock held, and we want to make sure
- // that even if HWC blocks (which it shouldn't), it won't
- // affect other threads.
- Mutex::Autolock _l(mEventControlLock);
- const int32_t eventBit = 1UL << event;
- const int32_t newValue = enabled ? eventBit : 0;
- const int32_t oldValue = mDisplayData[disp].events & eventBit;
- if (newValue != oldValue) {
- ATRACE_CALL();
- err = mHwc->eventControl(mHwc, disp, event, enabled);
- if (!err) {
- int32_t& events(mDisplayData[disp].events);
- events = (events & ~eventBit) | newValue;
-
- char tag[16];
- snprintf(tag, sizeof(tag), "HW_VSYNC_ON_%1u", disp);
- ATRACE_INT(tag, enabled);
- }
- }
- // error here should not happen -- not sure what we should
- // do if it does.
- ALOGE_IF(err, "eventControl(%d, %d) failed %s",
- event, enabled, strerror(-err));
- }
-
- if (err == NO_ERROR && mVSyncThread != NULL) {
- mVSyncThread->setEnabled(enabled);
- }
-}
-
-status_t HWComposer::createWorkList(int32_t id, size_t numLayers) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
-
- if (mHwc) {
- DisplayData& disp(mDisplayData[id]);
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // we need space for the HWC_FRAMEBUFFER_TARGET
- numLayers++;
- }
- if (disp.capacity < numLayers || disp.list == NULL) {
- size_t size = sizeof(hwc_display_contents_1_t)
- + numLayers * sizeof(hwc_layer_1_t);
- free(disp.list);
- disp.list = (hwc_display_contents_1_t*)malloc(size);
- disp.capacity = numLayers;
- }
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1];
- memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t));
- const DisplayConfig& currentConfig =
- disp.configs[disp.currentConfig];
- const hwc_rect_t r = { 0, 0,
- (int) currentConfig.width, (int) currentConfig.height };
- disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
- disp.framebufferTarget->hints = 0;
- disp.framebufferTarget->flags = 0;
- disp.framebufferTarget->handle = disp.fbTargetHandle;
- disp.framebufferTarget->transform = 0;
- disp.framebufferTarget->blending = HWC_BLENDING_PREMULT;
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
- disp.framebufferTarget->sourceCropf.left = 0;
- disp.framebufferTarget->sourceCropf.top = 0;
- disp.framebufferTarget->sourceCropf.right =
- currentConfig.width;
- disp.framebufferTarget->sourceCropf.bottom =
- currentConfig.height;
- } else {
- disp.framebufferTarget->sourceCrop = r;
- }
- disp.framebufferTarget->displayFrame = r;
- disp.framebufferTarget->visibleRegionScreen.numRects = 1;
- disp.framebufferTarget->visibleRegionScreen.rects =
- &disp.framebufferTarget->displayFrame;
- disp.framebufferTarget->acquireFenceFd = -1;
- disp.framebufferTarget->releaseFenceFd = -1;
- disp.framebufferTarget->planeAlpha = 0xFF;
- }
- disp.list->retireFenceFd = -1;
- disp.list->flags = HWC_GEOMETRY_CHANGED;
- disp.list->numHwLayers = numLayers;
- }
- return NO_ERROR;
-}
-
-status_t HWComposer::setFramebufferTarget(int32_t id,
- const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- DisplayData& disp(mDisplayData[id]);
- if (!disp.framebufferTarget) {
- // this should never happen, but apparently eglCreateWindowSurface()
- // triggers a Surface::queueBuffer() on some
- // devices (!?) -- log and ignore.
- ALOGE("HWComposer: framebufferTarget is null");
- return NO_ERROR;
- }
-
- int acquireFenceFd = -1;
- if (acquireFence->isValid()) {
- acquireFenceFd = acquireFence->dup();
- }
-
- // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd);
- disp.fbTargetHandle = buf->handle;
- disp.framebufferTarget->handle = disp.fbTargetHandle;
- disp.framebufferTarget->acquireFenceFd = acquireFenceFd;
- return NO_ERROR;
-}
-
-status_t HWComposer::prepare() {
- Mutex::Autolock _l(mDisplayLock);
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- if (disp.framebufferTarget) {
- // make sure to reset the type to HWC_FRAMEBUFFER_TARGET
- // DO NOT reset the handle field to NULL, because it's possible
- // that we have nothing to redraw (eg: eglSwapBuffers() not called)
- // in which case, we should continue to use the same buffer.
- LOG_FATAL_IF(disp.list == NULL);
- disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
- }
- if (!disp.connected && disp.list != NULL) {
- ALOGW("WARNING: disp %zu: connected, non-null list, layers=%zu",
- i, disp.list->numHwLayers);
- }
- mLists[i] = disp.list;
- if (mLists[i]) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
- mLists[i]->outbuf = disp.outbufHandle;
- mLists[i]->outbufAcquireFenceFd = -1;
- } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // garbage data to catch improper use
- mLists[i]->dpy = (hwc_display_t)0xDEADBEEF;
- mLists[i]->sur = (hwc_surface_t)0xDEADBEEF;
- } else {
- mLists[i]->dpy = EGL_NO_DISPLAY;
- mLists[i]->sur = EGL_NO_SURFACE;
- }
- }
- }
-
- int err = mHwc->prepare(mHwc, mNumDisplays, mLists);
- ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err));
-
- if (err == NO_ERROR) {
- // here we're just making sure that "skip" layers are set
- // to HWC_FRAMEBUFFER and we're also counting how many layers
- // we have of each type.
- //
- // If there are no window layers, we treat the display has having FB
- // composition, because SurfaceFlinger will use GLES to draw the
- // wormhole region.
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- disp.hasFbComp = false;
- disp.hasOvComp = false;
- if (disp.list) {
- for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
- hwc_layer_1_t& l = disp.list->hwLayers[i];
-
- //ALOGD("prepare: %d, type=%d, handle=%p",
- // i, l.compositionType, l.handle);
-
- if (l.flags & HWC_SKIP_LAYER) {
- l.compositionType = HWC_FRAMEBUFFER;
- }
- if (l.compositionType == HWC_FRAMEBUFFER) {
- disp.hasFbComp = true;
- }
- if (l.compositionType == HWC_OVERLAY) {
- disp.hasOvComp = true;
- }
- if (l.compositionType == HWC_CURSOR_OVERLAY) {
- disp.hasOvComp = true;
- }
- }
- if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) {
- disp.hasFbComp = true;
- }
- } else {
- disp.hasFbComp = true;
- }
- }
- }
- return (status_t)err;
-}
-
-bool HWComposer::hasHwcComposition(int32_t id) const {
- if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return false;
- return mDisplayData[id].hasOvComp;
-}
-
-bool HWComposer::hasGlesComposition(int32_t id) const {
- if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return true;
- return mDisplayData[id].hasFbComp;
-}
-
-sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return Fence::NO_FENCE;
-
- int fd = INVALID_OPERATION;
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- const DisplayData& disp(mDisplayData[id]);
- if (disp.framebufferTarget) {
- fd = disp.framebufferTarget->releaseFenceFd;
- disp.framebufferTarget->acquireFenceFd = -1;
- disp.framebufferTarget->releaseFenceFd = -1;
- }
- }
- return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE;
-}
-
-status_t HWComposer::commit() {
- int err = NO_ERROR;
- if (mHwc) {
- if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // On version 1.0, the OpenGL ES target surface is communicated
- // by the (dpy, sur) fields and we are guaranteed to have only
- // a single display.
- mLists[0]->dpy = eglGetCurrentDisplay();
- mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW);
- }
-
- for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) {
- DisplayData& disp(mDisplayData[i]);
- if (disp.outbufHandle) {
- mLists[i]->outbuf = disp.outbufHandle;
- mLists[i]->outbufAcquireFenceFd =
- disp.outbufAcquireFence->dup();
- }
- }
-
- err = mHwc->set(mHwc, mNumDisplays, mLists);
-
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- disp.lastDisplayFence = disp.lastRetireFence;
- disp.lastRetireFence = Fence::NO_FENCE;
- if (disp.list) {
- if (disp.list->retireFenceFd != -1) {
- disp.lastRetireFence = new Fence(disp.list->retireFenceFd);
- disp.list->retireFenceFd = -1;
- }
- disp.list->flags &= ~HWC_GEOMETRY_CHANGED;
- }
- }
- }
- return (status_t)err;
-}
-
-status_t HWComposer::setPowerMode(int disp, int mode) {
- LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
- if (mHwc) {
- if (mode == HWC_POWER_MODE_OFF) {
- eventControl(disp, HWC_EVENT_VSYNC, 0);
- }
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) {
- return (status_t)mHwc->setPowerMode(mHwc, disp, mode);
- } else {
- return (status_t)mHwc->blank(mHwc, disp,
- mode == HWC_POWER_MODE_OFF ? 1 : 0);
- }
- }
- return NO_ERROR;
-}
-
-status_t HWComposer::setActiveConfig(int disp, int mode) {
- LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
- DisplayData& dd(mDisplayData[disp]);
- dd.currentConfig = mode;
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) {
- return (status_t)mHwc->setActiveConfig(mHwc, disp, mode);
- } else {
- LOG_FATAL_IF(mode != 0);
- }
- return NO_ERROR;
-}
-
-void HWComposer::disconnectDisplay(int disp) {
- LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY);
- DisplayData& dd(mDisplayData[disp]);
- free(dd.list);
- dd.list = NULL;
- dd.framebufferTarget = NULL; // points into dd.list
- dd.fbTargetHandle = NULL;
- dd.outbufHandle = NULL;
- dd.lastRetireFence = Fence::NO_FENCE;
- dd.lastDisplayFence = Fence::NO_FENCE;
- dd.outbufAcquireFence = Fence::NO_FENCE;
- // clear all the previous configs and repopulate when a new
- // device is added
- dd.configs.clear();
-}
-
-int HWComposer::getVisualID() const {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
- // is supported by the implementation. we can only be in this case
- // if we have HWC 1.1
- return HAL_PIXEL_FORMAT_RGBA_8888;
- //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
- } else {
- return mFbDev->format;
- }
-}
-
-bool HWComposer::supportsFramebufferTarget() const {
- return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
-}
-
-int HWComposer::fbPost(int32_t id,
- const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- return setFramebufferTarget(id, acquireFence, buffer);
- } else {
- acquireFence->waitForever("HWComposer::fbPost");
- return mFbDev->post(mFbDev, buffer->handle);
- }
-}
-
-int HWComposer::fbCompositionComplete() {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- return NO_ERROR;
-
- if (mFbDev->compositionComplete) {
- return mFbDev->compositionComplete(mFbDev);
- } else {
- return INVALID_OPERATION;
- }
-}
-
-void HWComposer::fbDump(String8& result) {
- if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) {
- const size_t SIZE = 4096;
- char buffer[SIZE];
- mFbDev->dump(mFbDev, buffer, SIZE);
- result.append(buffer);
- }
-}
-
-status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence,
- const sp<GraphicBuffer>& buf) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return BAD_INDEX;
- if (id < VIRTUAL_DISPLAY_ID_BASE)
- return INVALID_OPERATION;
-
- DisplayData& disp(mDisplayData[id]);
- disp.outbufHandle = buf->handle;
- disp.outbufAcquireFence = acquireFence;
- return NO_ERROR;
-}
-
-sp<Fence> HWComposer::getLastRetireFence(int32_t id) const {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return Fence::NO_FENCE;
- return mDisplayData[id].lastRetireFence;
-}
-
-status_t HWComposer::setCursorPositionAsync(int32_t id, const Rect& pos)
-{
- if (mHwc->setCursorPositionAsync) {
- return (status_t)mHwc->setCursorPositionAsync(mHwc, id, pos.left, pos.top);
- }
- else {
- return NO_ERROR;
- }
-}
-
-/*
- * Helper template to implement a concrete HWCLayer
- * This holds the pointer to the concrete hwc layer type
- * and implements the "iterable" side of HWCLayer.
- */
-template<typename CONCRETE, typename HWCTYPE>
-class Iterable : public HWComposer::HWCLayer {
-protected:
- HWCTYPE* const mLayerList;
- HWCTYPE* mCurrentLayer;
- explicit Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer),
- mIndex(0) { }
- inline HWCTYPE const * getLayer() const { return mCurrentLayer; }
- inline HWCTYPE* getLayer() { return mCurrentLayer; }
- virtual ~Iterable() { }
- size_t mIndex;
-private:
- // returns a copy of ourselves
- virtual HWComposer::HWCLayer* dup() {
- return new CONCRETE( static_cast<const CONCRETE&>(*this) );
- }
- virtual status_t setLayer(size_t index) {
- mIndex = index;
- mCurrentLayer = &mLayerList[index];
- return NO_ERROR;
- }
-};
-
-/*
- * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0.
- * This implements the HWCLayer side of HWCIterableLayer.
- */
-class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> {
- struct hwc_composer_device_1* mHwc;
-public:
- HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer,
- Vector<Region>* visibleRegions,
- Vector<Region>* surfaceDamageRegions)
- : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc),
- mVisibleRegions(visibleRegions),
- mSurfaceDamageRegions(surfaceDamageRegions) {}
-
- virtual int32_t getCompositionType() const {
- return getLayer()->compositionType;
- }
- virtual uint32_t getHints() const {
- return getLayer()->hints;
- }
- virtual sp<Fence> getAndResetReleaseFence() {
- int fd = getLayer()->releaseFenceFd;
- getLayer()->releaseFenceFd = -1;
- return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE;
- }
- virtual void setAcquireFenceFd(int fenceFd) {
- getLayer()->acquireFenceFd = fenceFd;
- }
- virtual void setPerFrameDefaultState() {
- //getLayer()->compositionType = HWC_FRAMEBUFFER;
- }
- virtual void setPlaneAlpha(uint8_t alpha) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
- getLayer()->planeAlpha = alpha;
- } else {
- if (alpha < 0xFF) {
- getLayer()->flags |= HWC_SKIP_LAYER;
- }
- }
- }
- virtual void setDefaultState() {
- hwc_layer_1_t* const l = getLayer();
- l->compositionType = HWC_FRAMEBUFFER;
- l->hints = 0;
- l->flags = HWC_SKIP_LAYER;
- l->handle = 0;
- l->transform = 0;
- l->blending = HWC_BLENDING_NONE;
- l->visibleRegionScreen.numRects = 0;
- l->visibleRegionScreen.rects = NULL;
- l->acquireFenceFd = -1;
- l->releaseFenceFd = -1;
- l->planeAlpha = 0xFF;
- }
- virtual void setSkip(bool skip) {
- if (skip) {
- getLayer()->flags |= HWC_SKIP_LAYER;
- } else {
- getLayer()->flags &= ~HWC_SKIP_LAYER;
- }
- }
- virtual void setIsCursorLayerHint(bool isCursor) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) {
- if (isCursor) {
- getLayer()->flags |= HWC_IS_CURSOR_LAYER;
- }
- else {
- getLayer()->flags &= ~HWC_IS_CURSOR_LAYER;
- }
- }
- }
- virtual void setBlending(uint32_t blending) {
- getLayer()->blending = blending;
- }
- virtual void setTransform(uint32_t transform) {
- getLayer()->transform = transform;
- }
- virtual void setFrame(const Rect& frame) {
- getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame);
- }
- virtual void setCrop(const FloatRect& crop) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
- getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop);
- } else {
- /*
- * Since h/w composer didn't support a flot crop rect before version 1.3,
- * using integer coordinates instead produces a different output from the GL code in
- * Layer::drawWithOpenGL(). The difference can be large if the buffer crop to
- * window size ratio is large and a window crop is defined
- * (i.e.: if we scale the buffer a lot and we also crop it with a window crop).
- */
- hwc_rect_t& r = getLayer()->sourceCrop;
- r.left = int(ceilf(crop.left));
- r.top = int(ceilf(crop.top));
- r.right = int(floorf(crop.right));
- r.bottom= int(floorf(crop.bottom));
- }
- }
- virtual void setVisibleRegionScreen(const Region& reg) {
- hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen;
- mVisibleRegions->editItemAt(mIndex) = reg;
- visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(
- mVisibleRegions->itemAt(mIndex).getArray(
- &visibleRegion.numRects));
- }
- virtual void setSurfaceDamage(const Region& reg) {
- if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_5)) {
- return;
- }
- hwc_region_t& surfaceDamage = getLayer()->surfaceDamage;
- // We encode default full-screen damage as INVALID_RECT upstream, but as
- // 0 rects for HWComposer
- if (reg.isRect() && reg.getBounds() == Rect::INVALID_RECT) {
- surfaceDamage.numRects = 0;
- surfaceDamage.rects = NULL;
- return;
- }
- mSurfaceDamageRegions->editItemAt(mIndex) = reg;
- surfaceDamage.rects = reinterpret_cast<hwc_rect_t const *>(
- mSurfaceDamageRegions->itemAt(mIndex).getArray(
- &surfaceDamage.numRects));
- }
- virtual void setSidebandStream(const sp<NativeHandle>& stream) {
- ALOG_ASSERT(stream->handle() != NULL);
- getLayer()->compositionType = HWC_SIDEBAND;
- getLayer()->sidebandStream = stream->handle();
- }
- virtual void setBuffer(const sp<GraphicBuffer>& buffer) {
- if (buffer == 0 || buffer->handle == 0) {
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- getLayer()->flags |= HWC_SKIP_LAYER;
- getLayer()->handle = 0;
- } else {
- if (getLayer()->compositionType == HWC_SIDEBAND) {
- // If this was a sideband layer but the stream was removed, reset
- // it to FRAMEBUFFER. The HWC can change it to OVERLAY in prepare.
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- }
- getLayer()->handle = buffer->handle;
- }
- }
- virtual void onDisplayed() {
- getLayer()->acquireFenceFd = -1;
- }
-
-protected:
- // Pointers to the vectors of Region backing-memory held in DisplayData.
- // Only the Region at mIndex corresponds to this Layer.
- Vector<Region>* mVisibleRegions;
- Vector<Region>* mSurfaceDamageRegions;
-};
-
-/*
- * returns an iterator initialized at a given index in the layer list
- */
-HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return LayerListIterator();
- }
- DisplayData& disp(mDisplayData[id]);
- if (!mHwc || !disp.list || index > disp.list->numHwLayers) {
- return LayerListIterator();
- }
- if (disp.visibleRegions.size() < disp.list->numHwLayers) {
- disp.visibleRegions.resize(disp.list->numHwLayers);
- }
- if (disp.surfaceDamageRegions.size() < disp.list->numHwLayers) {
- disp.surfaceDamageRegions.resize(disp.list->numHwLayers);
- }
- return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->hwLayers,
- &disp.visibleRegions, &disp.surfaceDamageRegions), index);
-}
-
-/*
- * returns an iterator on the beginning of the layer list
- */
-HWComposer::LayerListIterator HWComposer::begin(int32_t id) {
- return getLayerIterator(id, 0);
-}
-
-/*
- * returns an iterator on the end of the layer list
- */
-HWComposer::LayerListIterator HWComposer::end(int32_t id) {
- size_t numLayers = 0;
- if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) {
- const DisplayData& disp(mDisplayData[id]);
- if (mHwc && disp.list) {
- numLayers = disp.list->numHwLayers;
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET,
- // which we ignore when iterating through the layer list.
- ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id);
- if (numLayers) {
- numLayers--;
- }
- }
- }
- }
- return getLayerIterator(id, numLayers);
-}
-
-// Converts a PixelFormat to a human-readable string. Max 11 chars.
-// (Could use a table of prefab String8 objects.)
-static String8 getFormatStr(PixelFormat format) {
- switch (format) {
- case PIXEL_FORMAT_RGBA_8888: return String8("RGBA_8888");
- case PIXEL_FORMAT_RGBX_8888: return String8("RGBx_8888");
- case PIXEL_FORMAT_RGBA_FP16: return String8("RGBA_FP16");
- case PIXEL_FORMAT_RGBA_1010102: return String8("RGBA_1010102");
- case PIXEL_FORMAT_RGB_888: return String8("RGB_888");
- case PIXEL_FORMAT_RGB_565: return String8("RGB_565");
- case PIXEL_FORMAT_BGRA_8888: return String8("BGRA_8888");
- case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
- return String8("ImplDef");
- default:
- String8 result;
- result.appendFormat("? %08x", format);
- return result;
- }
-}
-
-void HWComposer::dump(String8& result) const {
- Mutex::Autolock _l(mDisplayLock);
- if (mHwc) {
- result.appendFormat("Hardware Composer state (version %08x):\n", hwcApiVersion(mHwc));
- result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync);
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- const DisplayData& disp(mDisplayData[i]);
- if (!disp.connected)
- continue;
-
- const Vector< sp<Layer> >& visibleLayersSortedByZ =
- mFlinger->getLayerSortedByZForHwcDisplay(i);
-
-
- result.appendFormat(" Display[%zd] configurations (* current):\n", i);
- for (size_t c = 0; c < disp.configs.size(); ++c) {
- const DisplayConfig& config(disp.configs[c]);
- result.appendFormat(" %s%zd: %ux%u, xdpi=%f, ydpi=%f"
- ", refresh=%" PRId64 ", colorMode=%d\n",
- c == disp.currentConfig ? "* " : "", c,
- config.width, config.height, config.xdpi, config.ydpi,
- config.refresh, config.colorMode);
- }
-
- if (disp.list) {
- result.appendFormat(
- " numHwLayers=%zu, flags=%08x\n",
- disp.list->numHwLayers, disp.list->flags);
-
- result.append(
- " type | handle | hint | flag | tr | blnd | format | source crop (l,t,r,b) | frame | name \n"
- "-----------+----------+------+------+----+------+-------------+--------------------------------+------------------------+------\n");
- // " _________ | ________ | ____ | ____ | __ | ____ | ___________ |_____._,_____._,_____._,_____._ |_____,_____,_____,_____ | ___...
- for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
- const hwc_layer_1_t&l = disp.list->hwLayers[i];
- int32_t format = -1;
- String8 name("unknown");
-
- if (i < visibleLayersSortedByZ.size()) {
- const sp<Layer>& layer(visibleLayersSortedByZ[i]);
- const sp<GraphicBuffer>& buffer(
- layer->getActiveBuffer());
- if (buffer != NULL) {
- format = buffer->getPixelFormat();
- }
- name = layer->getName();
- }
-
- int type = l.compositionType;
- if (type == HWC_FRAMEBUFFER_TARGET) {
- name = "HWC_FRAMEBUFFER_TARGET";
- format = disp.format;
- }
-
- static char const* compositionTypeName[] = {
- "GLES",
- "HWC",
- "BKGND",
- "FB TARGET",
- "SIDEBAND",
- "HWC_CURSOR",
- "UNKNOWN"};
- if (type >= NELEM(compositionTypeName))
- type = NELEM(compositionTypeName) - 1;
-
- String8 formatStr = getFormatStr(format);
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
- result.appendFormat(
- " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7.1f,%7.1f,%7.1f,%7.1f |%5d,%5d,%5d,%5d | %s\n",
- compositionTypeName[type],
- intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(),
- l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom,
- l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom,
- name.string());
- } else {
- result.appendFormat(
- " %9s | %08" PRIxPTR " | %04x | %04x | %02x | %04x | %-11s |%7d,%7d,%7d,%7d |%5d,%5d,%5d,%5d | %s\n",
- compositionTypeName[type],
- intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, formatStr.string(),
- l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom,
- l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom,
- name.string());
- }
- }
- }
- }
- }
-
- if (mHwc && mHwc->dump) {
- const size_t SIZE = 4096;
- char buffer[SIZE];
- mHwc->dump(mHwc, buffer, SIZE);
- result.append(buffer);
- }
-}
-
-// ---------------------------------------------------------------------------
-
-HWComposer::VSyncThread::VSyncThread(HWComposer& hwc)
- : mHwc(hwc), mEnabled(false),
- mNextFakeVSync(0),
- mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY))
-{
-}
-
-void HWComposer::VSyncThread::setEnabled(bool enabled) {
- Mutex::Autolock _l(mLock);
- if (mEnabled != enabled) {
- mEnabled = enabled;
- mCondition.signal();
- }
-}
-
-void HWComposer::VSyncThread::onFirstRef() {
- run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
-}
-
-bool HWComposer::VSyncThread::threadLoop() {
- { // scope for lock
- Mutex::Autolock _l(mLock);
- while (!mEnabled) {
- mCondition.wait(mLock);
- }
- }
-
- const nsecs_t period = mRefreshPeriod;
- const nsecs_t now = systemTime(CLOCK_MONOTONIC);
- nsecs_t next_vsync = mNextFakeVSync;
- nsecs_t sleep = next_vsync - now;
- if (sleep < 0) {
- // we missed, find where the next vsync should be
- sleep = (period - ((now - next_vsync) % period));
- next_vsync = now + sleep;
- }
- mNextFakeVSync = next_vsync + period;
-
- struct timespec spec;
- spec.tv_sec = next_vsync / 1000000000;
- spec.tv_nsec = next_vsync % 1000000000;
-
- int err;
- do {
- err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL);
- } while (err<0 && errno == EINTR);
-
- if (err == 0) {
- mHwc.mEventHandler.onVSyncReceived(&mHwc, 0, next_vsync);
- }
-
- return true;
-}
-
-HWComposer::DisplayData::DisplayData()
-: configs(),
- currentConfig(0),
- format(HAL_PIXEL_FORMAT_RGBA_8888),
- connected(false),
- hasFbComp(false), hasOvComp(false),
- capacity(0), list(NULL),
- framebufferTarget(NULL), fbTargetHandle(0),
- lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE),
- outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE),
- events(0)
-{}
-
-HWComposer::DisplayData::~DisplayData() {
- free(list);
-}
-
-// ---------------------------------------------------------------------------
-}; // namespace android
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
deleted file mode 100644
index ccadd44..0000000
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ /dev/null
@@ -1,4169 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include <dlfcn.h>
-#include <errno.h>
-#include <inttypes.h>
-#include <math.h>
-#include <stdatomic.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <mutex>
-
-#include <EGL/egl.h>
-
-#include <cutils/properties.h>
-#include <log/log.h>
-
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-#include <binder/PermissionCache.h>
-
-#include <ui/DisplayInfo.h>
-#include <ui/DisplayStatInfo.h>
-
-#include <gui/BufferQueue.h>
-#include <gui/GuiConfig.h>
-#include <gui/IDisplayEventConnection.h>
-#include <gui/LayerDebugInfo.h>
-#include <gui/Surface.h>
-
-#include <ui/GraphicBufferAllocator.h>
-#include <ui/HdrCapabilities.h>
-#include <ui/PixelFormat.h>
-#include <ui/UiConfig.h>
-
-#include <utils/misc.h>
-#include <utils/String8.h>
-#include <utils/String16.h>
-#include <utils/StopWatch.h>
-#include <utils/Timers.h>
-#include <utils/Trace.h>
-
-#include <private/android_filesystem_config.h>
-#include <private/gui/SyncFeatures.h>
-
-#include <set>
-
-#include "Client.h"
-#include "clz.h"
-#include "Colorizer.h"
-#include "DdmConnection.h"
-#include "DisplayDevice.h"
-#include "DispSync.h"
-#include "EventControlThread.h"
-#include "EventThread.h"
-#include "Layer.h"
-#include "BufferLayer.h"
-#include "LayerVector.h"
-#include "ColorLayer.h"
-#include "MonitoredProducer.h"
-#include "SurfaceFlinger.h"
-
-#include "DisplayHardware/FramebufferSurface.h"
-#include "DisplayHardware/HWComposer.h"
-#include "DisplayHardware/VirtualDisplaySurface.h"
-
-#include "Effects/Daltonizer.h"
-
-#include "RenderEngine/RenderEngine.h"
-#include <cutils/compiler.h>
-
-#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
-#include <configstore/Utils.h>
-
-#include <layerproto/LayerProtoParser.h>
-
-#define DISPLAY_COUNT 1
-
-/*
- * DEBUG_SCREENSHOTS: set to true to check that screenshots are not all
- * black pixels.
- */
-#define DEBUG_SCREENSHOTS false
-
-extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name);
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-using namespace android::hardware::configstore;
-using namespace android::hardware::configstore::V1_0;
-
-const String16 sHardwareTest("android.permission.HARDWARE_TEST");
-const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
-const String16 sReadFramebuffer("android.permission.READ_FRAME_BUFFER");
-const String16 sDump("android.permission.DUMP");
-
-// ---------------------------------------------------------------------------
-int64_t SurfaceFlinger::vsyncPhaseOffsetNs;
-int64_t SurfaceFlinger::sfVsyncPhaseOffsetNs;
-bool SurfaceFlinger::useContextPriority;
-int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
-bool SurfaceFlinger::useHwcForRgbToYuv;
-uint64_t SurfaceFlinger::maxVirtualDisplaySize;
-bool SurfaceFlinger::hasSyncFramework;
-int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
-
-SurfaceFlinger::SurfaceFlinger()
- : BnSurfaceComposer(),
- mTransactionFlags(0),
- mTransactionPending(false),
- mAnimTransactionPending(false),
- mLayersRemoved(false),
- mLayersAdded(false),
- mRepaintEverything(0),
- mRenderEngine(NULL),
- mBootTime(systemTime()),
- mVisibleRegionsDirty(false),
- mHwWorkListDirty(false),
- mAnimCompositionPending(false),
- mDebugRegion(0),
- mDebugDDMS(0),
- mDebugDisableHWC(0),
- mDebugDisableTransformHint(0),
- mDebugInSwapBuffers(0),
- mLastSwapBufferTime(0),
- mDebugInTransaction(0),
- mLastTransactionTime(0),
- mBootFinished(false),
- mForceFullDamage(false),
- mInterceptor(this),
- mPrimaryDispSync("PrimaryDispSync"),
- mPrimaryHWVsyncEnabled(false),
- mHWVsyncAvailable(false),
- mDaltonize(false),
- mHasColorMatrix(false),
- mHasPoweredOff(false),
- mFrameBuckets(),
- mTotalTime(0),
- mLastSwapTime(0),
- mNumLayers(0)
-{
- ALOGI("SurfaceFlinger is starting");
-
- vsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::vsyncEventPhaseOffsetNs>(1000000);
-
- sfVsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::vsyncSfEventPhaseOffsetNs>(1000000);
-
- maxVirtualDisplaySize = getUInt64<ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::maxVirtualDisplaySize>(0);
-
- hasSyncFramework = getBool< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::hasSyncFramework>(true);
-
- useContextPriority = getBool< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::useContextPriority>(false);
-
- dispSyncPresentTimeOffset = getInt64< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::presentTimeOffsetFromVSyncNs>(0);
-
- useHwcForRgbToYuv = getBool< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::useHwcForRGBtoYUV>(false);
-
- maxFrameBufferAcquiredBuffers = getInt64< ISurfaceFlingerConfigs,
- &ISurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers>(2);
-
- mPrimaryDispSync.init(hasSyncFramework, dispSyncPresentTimeOffset);
-
- char value[PROPERTY_VALUE_MAX];
-
- property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");
- mGpuToCpuSupported = !atoi(value);
-
- property_get("debug.sf.showupdates", value, "0");
- mDebugRegion = atoi(value);
-
- property_get("debug.sf.ddms", value, "0");
- mDebugDDMS = atoi(value);
- if (mDebugDDMS) {
- if (!startDdmConnection()) {
- // start failed, and DDMS debugging not enabled
- mDebugDDMS = 0;
- }
- }
- ALOGI_IF(mDebugRegion, "showupdates enabled");
- ALOGI_IF(mDebugDDMS, "DDMS debugging enabled");
-
- property_get("debug.sf.enable_hwc_vds", value, "0");
- mUseHwcVirtualDisplays = atoi(value);
- ALOGI_IF(!mUseHwcVirtualDisplays, "Enabling HWC virtual displays");
-
- property_get("ro.sf.disable_triple_buffer", value, "1");
- mLayerTripleBufferingDisabled = atoi(value);
- ALOGI_IF(mLayerTripleBufferingDisabled, "Disabling Triple Buffering");
-}
-
-void SurfaceFlinger::onFirstRef()
-{
- mEventQueue.init(this);
-}
-
-SurfaceFlinger::~SurfaceFlinger()
-{
- EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
- eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
- eglTerminate(display);
-}
-
-void SurfaceFlinger::binderDied(const wp<IBinder>& /* who */)
-{
- // the window manager died on us. prepare its eulogy.
-
- // restore initial conditions (default device unblank, etc)
- initializeDisplays();
-
- // restart the boot-animation
- startBootAnim();
-}
-
-static sp<ISurfaceComposerClient> initClient(const sp<Client>& client) {
- status_t err = client->initCheck();
- if (err == NO_ERROR) {
- return client;
- }
- return nullptr;
-}
-
-sp<ISurfaceComposerClient> SurfaceFlinger::createConnection() {
- return initClient(new Client(this));
-}
-
-sp<ISurfaceComposerClient> SurfaceFlinger::createScopedConnection(
- const sp<IGraphicBufferProducer>& gbp) {
- if (authenticateSurfaceTexture(gbp) == false) {
- return nullptr;
- }
- const auto& layer = (static_cast<MonitoredProducer*>(gbp.get()))->getLayer();
- if (layer == nullptr) {
- return nullptr;
- }
-
- return initClient(new Client(this, layer));
-}
-
-sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName,
- bool secure)
-{
- class DisplayToken : public BBinder {
- sp<SurfaceFlinger> flinger;
- virtual ~DisplayToken() {
- // no more references, this display must be terminated
- Mutex::Autolock _l(flinger->mStateLock);
- flinger->mCurrentState.displays.removeItem(this);
- flinger->setTransactionFlags(eDisplayTransactionNeeded);
- }
- public:
- explicit DisplayToken(const sp<SurfaceFlinger>& flinger)
- : flinger(flinger) {
- }
- };
-
- sp<BBinder> token = new DisplayToken(this);
-
- Mutex::Autolock _l(mStateLock);
- DisplayDeviceState info(DisplayDevice::DISPLAY_VIRTUAL, secure);
- info.displayName = displayName;
- mCurrentState.displays.add(token, info);
- mInterceptor.saveDisplayCreation(info);
- return token;
-}
-
-void SurfaceFlinger::destroyDisplay(const sp<IBinder>& display) {
- Mutex::Autolock _l(mStateLock);
-
- ssize_t idx = mCurrentState.displays.indexOfKey(display);
- if (idx < 0) {
- ALOGW("destroyDisplay: invalid display token");
- return;
- }
-
- const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
- if (!info.isVirtualDisplay()) {
- ALOGE("destroyDisplay called for non-virtual display");
- return;
- }
- mInterceptor.saveDisplayDeletion(info.displayId);
- mCurrentState.displays.removeItemsAt(idx);
- setTransactionFlags(eDisplayTransactionNeeded);
-}
-
-void SurfaceFlinger::createBuiltinDisplayLocked(DisplayDevice::DisplayType type) {
- ALOGW_IF(mBuiltinDisplays[type],
- "Overwriting display token for display type %d", type);
- mBuiltinDisplays[type] = new BBinder();
- // All non-virtual displays are currently considered secure.
- DisplayDeviceState info(type, true);
- mCurrentState.displays.add(mBuiltinDisplays[type], info);
- mInterceptor.saveDisplayCreation(info);
-}
-
-sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {
- if (uint32_t(id) >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
- ALOGE("getDefaultDisplay: id=%d is not a valid default display id", id);
- return NULL;
- }
- return mBuiltinDisplays[id];
-}
-
-void SurfaceFlinger::bootFinished()
-{
- if (mStartPropertySetThread->join() != NO_ERROR) {
- ALOGE("Join StartPropertySetThread failed!");
- }
- const nsecs_t now = systemTime();
- const nsecs_t duration = now - mBootTime;
- ALOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) );
- mBootFinished = true;
-
- // wait patiently for the window manager death
- const String16 name("window");
- sp<IBinder> window(defaultServiceManager()->getService(name));
- if (window != 0) {
- window->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
- }
-
- // stop boot animation
- // formerly we would just kill the process, but we now ask it to exit so it
- // can choose where to stop the animation.
- property_set("service.bootanim.exit", "1");
-
- const int LOGTAG_SF_STOP_BOOTANIM = 60110;
- LOG_EVENT_LONG(LOGTAG_SF_STOP_BOOTANIM,
- ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
-}
-
-void SurfaceFlinger::deleteTextureAsync(uint32_t texture) {
- class MessageDestroyGLTexture : public MessageBase {
- RenderEngine& engine;
- uint32_t texture;
- public:
- MessageDestroyGLTexture(RenderEngine& engine, uint32_t texture)
- : engine(engine), texture(texture) {
- }
- virtual bool handler() {
- engine.deleteTextures(1, &texture);
- return true;
- }
- };
- postMessageAsync(new MessageDestroyGLTexture(getRenderEngine(), texture));
-}
-
-class DispSyncSource : public VSyncSource, private DispSync::Callback {
-public:
- DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync,
- const char* name) :
- mName(name),
- mValue(0),
- mTraceVsync(traceVsync),
- mVsyncOnLabel(String8::format("VsyncOn-%s", name)),
- mVsyncEventLabel(String8::format("VSYNC-%s", name)),
- mDispSync(dispSync),
- mCallbackMutex(),
- mCallback(),
- mVsyncMutex(),
- mPhaseOffset(phaseOffset),
- mEnabled(false) {}
-
- virtual ~DispSyncSource() {}
-
- virtual void setVSyncEnabled(bool enable) {
- Mutex::Autolock lock(mVsyncMutex);
- if (enable) {
- status_t err = mDispSync->addEventListener(mName, mPhaseOffset,
- static_cast<DispSync::Callback*>(this));
- if (err != NO_ERROR) {
- ALOGE("error registering vsync callback: %s (%d)",
- strerror(-err), err);
- }
- //ATRACE_INT(mVsyncOnLabel.string(), 1);
- } else {
- status_t err = mDispSync->removeEventListener(
- static_cast<DispSync::Callback*>(this));
- if (err != NO_ERROR) {
- ALOGE("error unregistering vsync callback: %s (%d)",
- strerror(-err), err);
- }
- //ATRACE_INT(mVsyncOnLabel.string(), 0);
- }
- mEnabled = enable;
- }
-
- virtual void setCallback(const sp<VSyncSource::Callback>& callback) {
- Mutex::Autolock lock(mCallbackMutex);
- mCallback = callback;
- }
-
- virtual void setPhaseOffset(nsecs_t phaseOffset) {
- Mutex::Autolock lock(mVsyncMutex);
-
- // Normalize phaseOffset to [0, period)
- auto period = mDispSync->getPeriod();
- phaseOffset %= period;
- if (phaseOffset < 0) {
- // If we're here, then phaseOffset is in (-period, 0). After this
- // operation, it will be in (0, period)
- phaseOffset += period;
- }
- mPhaseOffset = phaseOffset;
-
- // If we're not enabled, we don't need to mess with the listeners
- if (!mEnabled) {
- return;
- }
-
- // Remove the listener with the old offset
- status_t err = mDispSync->removeEventListener(
- static_cast<DispSync::Callback*>(this));
- if (err != NO_ERROR) {
- ALOGE("error unregistering vsync callback: %s (%d)",
- strerror(-err), err);
- }
-
- // Add a listener with the new offset
- err = mDispSync->addEventListener(mName, mPhaseOffset,
- static_cast<DispSync::Callback*>(this));
- if (err != NO_ERROR) {
- ALOGE("error registering vsync callback: %s (%d)",
- strerror(-err), err);
- }
- }
-
-private:
- virtual void onDispSyncEvent(nsecs_t when) {
- sp<VSyncSource::Callback> callback;
- {
- Mutex::Autolock lock(mCallbackMutex);
- callback = mCallback;
-
- if (mTraceVsync) {
- mValue = (mValue + 1) % 2;
- ATRACE_INT(mVsyncEventLabel.string(), mValue);
- }
- }
-
- if (callback != NULL) {
- callback->onVSyncEvent(when);
- }
- }
-
- const char* const mName;
-
- int mValue;
-
- const bool mTraceVsync;
- const String8 mVsyncOnLabel;
- const String8 mVsyncEventLabel;
-
- DispSync* mDispSync;
-
- Mutex mCallbackMutex; // Protects the following
- sp<VSyncSource::Callback> mCallback;
-
- Mutex mVsyncMutex; // Protects the following
- nsecs_t mPhaseOffset;
- bool mEnabled;
-};
-
-class InjectVSyncSource : public VSyncSource {
-public:
- InjectVSyncSource() {}
-
- virtual ~InjectVSyncSource() {}
-
- virtual void setCallback(const sp<VSyncSource::Callback>& callback) {
- std::lock_guard<std::mutex> lock(mCallbackMutex);
- mCallback = callback;
- }
-
- virtual void onInjectSyncEvent(nsecs_t when) {
- std::lock_guard<std::mutex> lock(mCallbackMutex);
- mCallback->onVSyncEvent(when);
- }
-
- virtual void setVSyncEnabled(bool) {}
- virtual void setPhaseOffset(nsecs_t) {}
-
-private:
- std::mutex mCallbackMutex; // Protects the following
- sp<VSyncSource::Callback> mCallback;
-};
-
-// Do not call property_set on main thread which will be blocked by init
-// Use StartPropertySetThread instead.
-void SurfaceFlinger::init() {
- ALOGI( "SurfaceFlinger's main thread ready to run. "
- "Initializing graphics H/W...");
-
- Mutex::Autolock _l(mStateLock);
-
- // initialize EGL for the default display
- mEGLDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
- eglInitialize(mEGLDisplay, NULL, NULL);
-
- // start the EventThread
- sp<VSyncSource> vsyncSrc = new DispSyncSource(&mPrimaryDispSync,
- vsyncPhaseOffsetNs, true, "app");
- mEventThread = new EventThread(vsyncSrc, *this, false);
- sp<VSyncSource> sfVsyncSrc = new DispSyncSource(&mPrimaryDispSync,
- sfVsyncPhaseOffsetNs, true, "sf");
- mSFEventThread = new EventThread(sfVsyncSrc, *this, true);
- mEventQueue.setEventThread(mSFEventThread);
-
- // set EventThread and SFEventThread to SCHED_FIFO to minimize jitter
- struct sched_param param = {0};
- param.sched_priority = 2;
- if (sched_setscheduler(mSFEventThread->getTid(), SCHED_FIFO, ¶m) != 0) {
- ALOGE("Couldn't set SCHED_FIFO for SFEventThread");
- }
- if (sched_setscheduler(mEventThread->getTid(), SCHED_FIFO, ¶m) != 0) {
- ALOGE("Couldn't set SCHED_FIFO for EventThread");
- }
-
- // Initialize the H/W composer object. There may or may not be an
- // actual hardware composer underneath.
- mHwc.reset(new HWComposer(this,
- *static_cast<HWComposer::EventHandler *>(this)));
-
- // get a RenderEngine for the given display / config (can't fail)
- mRenderEngine = RenderEngine::create(mEGLDisplay,
- mHwc->getVisualID(), 0);
-
- // retrieve the EGL context that was selected/created
- mEGLContext = mRenderEngine->getEGLContext();
-
- LOG_ALWAYS_FATAL_IF(mEGLContext == EGL_NO_CONTEXT,
- "couldn't create EGLContext");
-
- // initialize our non-virtual displays
- for (size_t i=0 ; i<DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES ; i++) {
- DisplayDevice::DisplayType type((DisplayDevice::DisplayType)i);
- // set-up the displays that are already connected
- if (mHwc->isConnected(i) || type==DisplayDevice::DISPLAY_PRIMARY) {
- // All non-virtual displays are currently considered secure.
- bool isSecure = true;
- createBuiltinDisplayLocked(type);
- wp<IBinder> token = mBuiltinDisplays[i];
-
- sp<IGraphicBufferProducer> producer;
- sp<IGraphicBufferConsumer> consumer;
- BufferQueue::createBufferQueue(&producer, &consumer);
-
- sp<FramebufferSurface> fbs = new FramebufferSurface(*mHwc, i,
- consumer);
- int32_t hwcId = allocateHwcDisplayId(type);
- sp<DisplayDevice> hw = new DisplayDevice(this,
- type, hwcId, mHwc->getFormat(hwcId), isSecure, token,
- fbs, producer,
- mRenderEngine->getEGLConfig(), false);
- if (i > DisplayDevice::DISPLAY_PRIMARY) {
- // FIXME: currently we don't get blank/unblank requests
- // for displays other than the main display, so we always
- // assume a connected display is unblanked.
- ALOGD("marking display %zu as acquired/unblanked", i);
- hw->setPowerMode(HWC_POWER_MODE_NORMAL);
- }
- mDisplays.add(token, hw);
- }
- }
-
- // make the GLContext current so that we can create textures when creating Layers
- // (which may happens before we render something)
- getDefaultDisplayDeviceLocked()->makeCurrent(mEGLDisplay, mEGLContext);
-
- mEventControlThread = new EventControlThread(this);
- mEventControlThread->run("EventControl", PRIORITY_URGENT_DISPLAY);
-
- // set a fake vsync period if there is no HWComposer
- if (mHwc->initCheck() != NO_ERROR) {
- mPrimaryDispSync.setPeriod(16666667);
- }
-
- // initialize our drawing state
- mDrawingState = mCurrentState;
-
- // set initial conditions (e.g. unblank default device)
- initializeDisplays();
-
- mRenderEngine->primeCache();
-
- // Inform native graphics APIs that the present timestamp is NOT supported:
- mStartPropertySetThread = new StartPropertySetThread(false);
- if (mStartPropertySetThread->Start() != NO_ERROR) {
- ALOGE("Run StartPropertySetThread failed!");
- }
-
- ALOGV("Done initializing");
-}
-
-int32_t SurfaceFlinger::allocateHwcDisplayId(DisplayDevice::DisplayType type) {
- return (uint32_t(type) < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) ?
- type : mHwc->allocateDisplayId();
-}
-
-void SurfaceFlinger::startBootAnim() {
- // Start boot animation service by setting a property mailbox
- // if property setting thread is already running, Start() will be just a NOP
- mStartPropertySetThread->Start();
- // Wait until property was set
- if (mStartPropertySetThread->join() != NO_ERROR) {
- ALOGE("Join StartPropertySetThread failed!");
- }
-}
-
-size_t SurfaceFlinger::getMaxTextureSize() const {
- return mRenderEngine->getMaxTextureSize();
-}
-
-size_t SurfaceFlinger::getMaxViewportDims() const {
- return mRenderEngine->getMaxViewportDims();
-}
-
-// ----------------------------------------------------------------------------
-
-bool SurfaceFlinger::authenticateSurfaceTexture(
- const sp<IGraphicBufferProducer>& bufferProducer) const {
- Mutex::Autolock _l(mStateLock);
- return authenticateSurfaceTextureLocked(bufferProducer);
-}
-
-bool SurfaceFlinger::authenticateSurfaceTextureLocked(
- const sp<IGraphicBufferProducer>& bufferProducer) const {
- sp<IBinder> surfaceTextureBinder(IInterface::asBinder(bufferProducer));
- return mGraphicBufferProducerList.indexOf(surfaceTextureBinder) >= 0;
-}
-
-status_t SurfaceFlinger::getSupportedFrameTimestamps(
- std::vector<FrameEvent>* outSupported) const {
- *outSupported = {
- FrameEvent::REQUESTED_PRESENT,
- FrameEvent::ACQUIRE,
- FrameEvent::LATCH,
- FrameEvent::FIRST_REFRESH_START,
- FrameEvent::LAST_REFRESH_START,
- FrameEvent::GPU_COMPOSITION_DONE,
- FrameEvent::DEQUEUE_READY,
- FrameEvent::RELEASE,
- };
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getDisplayConfigs(const sp<IBinder>& display,
- Vector<DisplayInfo>* configs) {
- if ((configs == NULL) || (display.get() == NULL)) {
- return BAD_VALUE;
- }
-
- int32_t type = getDisplayType(display);
- if (type < 0) return type;
-
- // TODO: Not sure if display density should handled by SF any longer
- class Density {
- static int getDensityFromProperty(char const* propName) {
- char property[PROPERTY_VALUE_MAX];
- int density = 0;
- if (property_get(propName, property, NULL) > 0) {
- density = atoi(property);
- }
- return density;
- }
- public:
- static int getEmuDensity() {
- return getDensityFromProperty("qemu.sf.lcd_density"); }
- static int getBuildDensity() {
- return getDensityFromProperty("ro.sf.lcd_density"); }
- };
-
- configs->clear();
-
- const Vector<HWComposer::DisplayConfig>& hwConfigs =
- getHwComposer().getConfigs(type);
- for (size_t c = 0; c < hwConfigs.size(); ++c) {
- const HWComposer::DisplayConfig& hwConfig = hwConfigs[c];
- DisplayInfo info = DisplayInfo();
-
- float xdpi = hwConfig.xdpi;
- float ydpi = hwConfig.ydpi;
-
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
- // The density of the device is provided by a build property
- float density = Density::getBuildDensity() / 160.0f;
- if (density == 0) {
- // the build doesn't provide a density -- this is wrong!
- // use xdpi instead
- ALOGE("ro.sf.lcd_density must be defined as a build property");
- density = xdpi / 160.0f;
- }
- if (Density::getEmuDensity()) {
- // if "qemu.sf.lcd_density" is specified, it overrides everything
- xdpi = ydpi = density = Density::getEmuDensity();
- density /= 160.0f;
- }
- info.density = density;
-
- // TODO: this needs to go away (currently needed only by webkit)
- sp<const DisplayDevice> hw(getDefaultDisplayDevice());
- info.orientation = hw->getOrientation();
- } else {
- // TODO: where should this value come from?
- static const int TV_DENSITY = 213;
- info.density = TV_DENSITY / 160.0f;
- info.orientation = 0;
- }
-
- info.w = hwConfig.width;
- info.h = hwConfig.height;
- info.xdpi = xdpi;
- info.ydpi = ydpi;
- info.fps = float(1e9 / hwConfig.refresh);
- info.appVsyncOffset = vsyncPhaseOffsetNs;
-
- // This is how far in advance a buffer must be queued for
- // presentation at a given time. If you want a buffer to appear
- // on the screen at time N, you must submit the buffer before
- // (N - presentationDeadline).
- //
- // Normally it's one full refresh period (to give SF a chance to
- // latch the buffer), but this can be reduced by configuring a
- // DispSync offset. Any additional delays introduced by the hardware
- // composer or panel must be accounted for here.
- //
- // We add an additional 1ms to allow for processing time and
- // differences between the ideal and actual refresh rate.
- info.presentationDeadline =
- hwConfig.refresh - sfVsyncPhaseOffsetNs + 1000000;
-
- // All non-virtual displays are currently considered secure.
- info.secure = true;
-
- configs->push_back(info);
- }
-
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>& /* display */,
- DisplayStatInfo* stats) {
- if (stats == NULL) {
- return BAD_VALUE;
- }
-
- // FIXME for now we always return stats for the primary display
- memset(stats, 0, sizeof(*stats));
- stats->vsyncTime = mPrimaryDispSync.computeNextRefresh(0);
- stats->vsyncPeriod = mPrimaryDispSync.getPeriod();
- return NO_ERROR;
-}
-
-int SurfaceFlinger::getActiveConfig(const sp<IBinder>& display) {
- sp<const DisplayDevice> device(getDisplayDevice(display));
- if (device != NULL) {
- return device->getActiveConfig();
- }
- return BAD_VALUE;
-}
-
-void SurfaceFlinger::setActiveConfigInternal(const sp<DisplayDevice>& hw, int mode) {
- ALOGD("Set active config mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
- this);
- int32_t type = hw->getDisplayType();
- int currentMode = hw->getActiveConfig();
-
- if (mode == currentMode) {
- ALOGD("Screen type=%d is already mode=%d", hw->getDisplayType(), mode);
- return;
- }
-
- if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
- ALOGW("Trying to set config for virtual display");
- return;
- }
-
- hw->setActiveConfig(mode);
- getHwComposer().setActiveConfig(type, mode);
-}
-
-status_t SurfaceFlinger::setActiveConfig(const sp<IBinder>& display, int mode) {
- class MessageSetActiveConfig: public MessageBase {
- SurfaceFlinger& mFlinger;
- sp<IBinder> mDisplay;
- int mMode;
- public:
- MessageSetActiveConfig(SurfaceFlinger& flinger, const sp<IBinder>& disp,
- int mode) :
- mFlinger(flinger), mDisplay(disp) { mMode = mode; }
- virtual bool handler() {
- Vector<DisplayInfo> configs;
- mFlinger.getDisplayConfigs(mDisplay, &configs);
- if (mMode < 0 || mMode >= static_cast<int>(configs.size())) {
- ALOGE("Attempt to set active config = %d for display with %zu configs",
- mMode, configs.size());
- }
- sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
- if (hw == NULL) {
- ALOGE("Attempt to set active config = %d for null display %p",
- mMode, mDisplay.get());
- } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
- ALOGW("Attempt to set active config = %d for virtual display",
- mMode);
- } else {
- mFlinger.setActiveConfigInternal(hw, mMode);
- }
- return true;
- }
- };
- sp<MessageBase> msg = new MessageSetActiveConfig(*this, display, mode);
- postMessageSync(msg);
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getDisplayColorModes(const sp<IBinder>& display,
- Vector<android_color_mode_t>* outColorModes) {
- if (outColorModes == nullptr || display.get() == nullptr) {
- return BAD_VALUE;
- }
-
- int32_t type = getDisplayType(display);
- if (type < 0) return type;
-
- std::set<android_color_mode_t> colorModes;
- for (const HWComposer::DisplayConfig& hwConfig : getHwComposer().getConfigs(type)) {
- colorModes.insert(hwConfig.colorMode);
- }
-
- outColorModes->clear();
- std::copy(colorModes.cbegin(), colorModes.cend(), std::back_inserter(*outColorModes));
-
- return NO_ERROR;
-}
-
-android_color_mode_t SurfaceFlinger::getActiveColorMode(const sp<IBinder>& display) {
- if (display.get() == nullptr) return static_cast<android_color_mode_t>(BAD_VALUE);
-
- int32_t type = getDisplayType(display);
- if (type < 0) return static_cast<android_color_mode_t>(type);
-
- return getHwComposer().getColorMode(type);
-}
-
-status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& display,
- android_color_mode_t colorMode) {
- if (display.get() == nullptr || colorMode < 0) {
- return BAD_VALUE;
- }
-
- int32_t type = getDisplayType(display);
- if (type < 0) return type;
- const Vector<HWComposer::DisplayConfig>& hwConfigs = getHwComposer().getConfigs(type);
- HWComposer::DisplayConfig desiredConfig = hwConfigs[getHwComposer().getCurrentConfig(type)];
- desiredConfig.colorMode = colorMode;
- for (size_t c = 0; c < hwConfigs.size(); ++c) {
- const HWComposer::DisplayConfig config = hwConfigs[c];
- if (config == desiredConfig) {
- return setActiveConfig(display, c);
- }
- }
- return BAD_VALUE;
-}
-
-status_t SurfaceFlinger::clearAnimationFrameStats() {
- Mutex::Autolock _l(mStateLock);
- mAnimFrameTracker.clearStats();
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
- Mutex::Autolock _l(mStateLock);
- mAnimFrameTracker.getStats(outStats);
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getHdrCapabilities(const sp<IBinder>& /*display*/,
- HdrCapabilities* outCapabilities) const {
- // HWC1 does not provide HDR capabilities
- *outCapabilities = HdrCapabilities();
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::enableVSyncInjections(bool enable) {
- if (enable == mInjectVSyncs) {
- return NO_ERROR;
- }
-
- if (enable) {
- mInjectVSyncs = enable;
- ALOGV("VSync Injections enabled");
- if (mVSyncInjector.get() == nullptr) {
- mVSyncInjector = new InjectVSyncSource();
- mInjectorEventThread = new EventThread(mVSyncInjector, *this, false);
- }
- mEventQueue.setEventThread(mInjectorEventThread);
- } else {
- mInjectVSyncs = enable;
- ALOGV("VSync Injections disabled");
- mEventQueue.setEventThread(mSFEventThread);
- mVSyncInjector.clear();
- }
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::injectVSync(nsecs_t when) {
- if (!mInjectVSyncs) {
- ALOGE("VSync Injections not enabled");
- return BAD_VALUE;
- }
- if (mInjectVSyncs && mInjectorEventThread.get() != nullptr) {
- ALOGV("Injecting VSync inside SurfaceFlinger");
- mVSyncInjector->onInjectSyncEvent(when);
- }
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const {
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- if ((uid != AID_SHELL) &&
- !PermissionCache::checkPermission(sDump, pid, uid)) {
- ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
-
- // Try to acquire a lock for 1s, fail gracefully
- status_t err = mStateLock.timedLock(s2ns(1));
- bool locked = (err == NO_ERROR);
- if (!locked) {
- ALOGE("LayerDebugInfo: SurfaceFlinger unresponsive (%s [%d]) - exit", strerror(-err), err);
- return TIMED_OUT;
- }
-
- outLayers->clear();
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- outLayers->push_back(layer->getLayerDebugInfo());
- });
-
- mStateLock.unlock();
-
- return NO_ERROR;
-}
-
-// ----------------------------------------------------------------------------
-
-sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
- ISurfaceComposer::VsyncSource vsyncSource) {
- if (vsyncSource == eVsyncSourceSurfaceFlinger) {
- return mSFEventThread->createEventConnection();
- } else {
- return mEventThread->createEventConnection();
- }
-}
-
-// ----------------------------------------------------------------------------
-
-void SurfaceFlinger::waitForEvent() {
- mEventQueue.waitMessage();
-}
-
-void SurfaceFlinger::signalTransaction() {
- mEventQueue.invalidate();
-}
-
-void SurfaceFlinger::signalLayerUpdate() {
- mEventQueue.invalidate();
-}
-
-void SurfaceFlinger::signalRefresh() {
- mEventQueue.refresh();
-}
-
-status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
- nsecs_t reltime, uint32_t /* flags */) {
- return mEventQueue.postMessage(msg, reltime);
-}
-
-status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
- nsecs_t reltime, uint32_t /* flags */) {
- status_t res = mEventQueue.postMessage(msg, reltime);
- if (res == NO_ERROR) {
- msg->wait();
- }
- return res;
-}
-
-void SurfaceFlinger::run() {
- do {
- waitForEvent();
- } while (true);
-}
-
-void SurfaceFlinger::enableHardwareVsync() {
- Mutex::Autolock _l(mHWVsyncLock);
- if (!mPrimaryHWVsyncEnabled && mHWVsyncAvailable) {
- mPrimaryDispSync.beginResync();
- //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
- mEventControlThread->setVsyncEnabled(true);
- mPrimaryHWVsyncEnabled = true;
- }
-}
-
-void SurfaceFlinger::resyncToHardwareVsync(bool makeAvailable) {
- Mutex::Autolock _l(mHWVsyncLock);
-
- if (makeAvailable) {
- mHWVsyncAvailable = true;
- } else if (!mHWVsyncAvailable) {
- // Hardware vsync is not currently available, so abort the resync
- // attempt for now
- return;
- }
-
- const nsecs_t period =
- getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
-
- mPrimaryDispSync.reset();
- mPrimaryDispSync.setPeriod(period);
-
- if (!mPrimaryHWVsyncEnabled) {
- mPrimaryDispSync.beginResync();
- //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
- mEventControlThread->setVsyncEnabled(true);
- mPrimaryHWVsyncEnabled = true;
- }
-}
-
-void SurfaceFlinger::disableHardwareVsync(bool makeUnavailable) {
- Mutex::Autolock _l(mHWVsyncLock);
- if (mPrimaryHWVsyncEnabled) {
- //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, false);
- mEventControlThread->setVsyncEnabled(false);
- mPrimaryDispSync.endResync();
- mPrimaryHWVsyncEnabled = false;
- }
- if (makeUnavailable) {
- mHWVsyncAvailable = false;
- }
-}
-
-void SurfaceFlinger::resyncWithRateLimit() {
- static constexpr nsecs_t kIgnoreDelay = ms2ns(500);
- if (systemTime() - mLastSwapTime > kIgnoreDelay) {
- resyncToHardwareVsync(false);
- }
-}
-
-void SurfaceFlinger::onVSyncReceived(HWComposer* /*composer*/, int type,
- nsecs_t timestamp) {
- bool needsHwVsync = false;
-
- { // Scope for the lock
- Mutex::Autolock _l(mHWVsyncLock);
- if (type == 0 && mPrimaryHWVsyncEnabled) {
- needsHwVsync = mPrimaryDispSync.addResyncSample(timestamp);
- }
- }
-
- if (needsHwVsync) {
- enableHardwareVsync();
- } else {
- disableHardwareVsync(false);
- }
-}
-
-void SurfaceFlinger::getCompositorTiming(CompositorTiming* compositorTiming) {
- std::lock_guard<std::mutex> lock(mCompositorTimingLock);
- *compositorTiming = mCompositorTiming;
-}
-
-void SurfaceFlinger::onHotplugReceived(HWComposer* /*composer*/, int type, bool connected) {
- if (mEventThread == NULL) {
- // This is a temporary workaround for b/7145521. A non-null pointer
- // does not mean EventThread has finished initializing, so this
- // is not a correct fix.
- ALOGW("WARNING: EventThread not started, ignoring hotplug");
- return;
- }
-
- if (uint32_t(type) < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
- Mutex::Autolock _l(mStateLock);
- if (connected) {
- createBuiltinDisplayLocked((DisplayDevice::DisplayType)type);
- } else {
- mCurrentState.displays.removeItem(mBuiltinDisplays[type]);
- mBuiltinDisplays[type].clear();
- }
- setTransactionFlags(eDisplayTransactionNeeded);
-
- // Defer EventThread notification until SF has updated mDisplays.
- }
-}
-
-void SurfaceFlinger::onInvalidateReceived(HWComposer* /*composer*/) {
- repaintEverything();
-}
-
-void SurfaceFlinger::eventControl(int disp, int event, int enabled) {
- ATRACE_CALL();
- getHwComposer().eventControl(disp, event, enabled);
-}
-
-void SurfaceFlinger::onMessageReceived(int32_t what) {
- ATRACE_CALL();
- switch (what) {
- case MessageQueue::INVALIDATE: {
- bool refreshNeeded = handleMessageTransaction();
- refreshNeeded |= handleMessageInvalidate();
- refreshNeeded |= mRepaintEverything;
- if (refreshNeeded) {
- // Signal a refresh if a transaction modified the window state,
- // a new buffer was latched, or if HWC has requested a full
- // repaint
- signalRefresh();
- }
- break;
- }
- case MessageQueue::REFRESH: {
- handleMessageRefresh();
- break;
- }
- }
-}
-
-bool SurfaceFlinger::handleMessageTransaction() {
- uint32_t transactionFlags = peekTransactionFlags();
- if (transactionFlags) {
- handleTransaction(transactionFlags);
- return true;
- }
- return false;
-}
-
-bool SurfaceFlinger::handleMessageInvalidate() {
- ATRACE_CALL();
- return handlePageFlip();
-}
-
-void SurfaceFlinger::handleMessageRefresh() {
- ATRACE_CALL();
-
- nsecs_t refreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
-
- preComposition(refreshStartTime);
- rebuildLayerStacks();
- setUpHWComposer();
- doDebugFlashRegions();
- doComposition();
- postComposition(refreshStartTime);
-}
-
-void SurfaceFlinger::doDebugFlashRegions()
-{
- // is debugging enabled
- if (CC_LIKELY(!mDebugRegion))
- return;
-
- const bool repaintEverything = mRepaintEverything;
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- const sp<DisplayDevice>& hw(mDisplays[dpy]);
- if (hw->isDisplayOn()) {
- // transform the dirty region into this screen's coordinate space
- const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
- if (!dirtyRegion.isEmpty()) {
- // redraw the whole screen
- doComposeSurfaces(hw, Region(hw->bounds()));
-
- // and draw the dirty region
- const int32_t height = hw->getHeight();
- RenderEngine& engine(getRenderEngine());
- engine.fillRegionWithColor(dirtyRegion, height, 1, 0, 1, 1);
-
- hw->compositionComplete();
- hw->swapBuffers(getHwComposer());
- }
- }
- }
-
- postFramebuffer();
-
- if (mDebugRegion > 1) {
- usleep(mDebugRegion * 1000);
- }
-
- HWComposer& hwc(getHwComposer());
- if (hwc.initCheck() == NO_ERROR) {
- status_t err = hwc.prepare();
- ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
- }
-}
-
-void SurfaceFlinger::preComposition(nsecs_t refreshStartTime)
-{
- bool needExtraInvalidate = false;
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (layer->onPreComposition(refreshStartTime)) {
- needExtraInvalidate = true;
- }
- });
-
- if (needExtraInvalidate) {
- signalLayerUpdate();
- }
-}
-
-void SurfaceFlinger::updateCompositorTiming(
- nsecs_t vsyncPhase, nsecs_t vsyncInterval, nsecs_t compositeTime,
- std::shared_ptr<FenceTime>& presentFenceTime) {
- // Update queue of past composite+present times and determine the
- // most recently known composite to present latency.
- mCompositePresentTimes.push({compositeTime, presentFenceTime});
- nsecs_t compositeToPresentLatency = -1;
- while (!mCompositePresentTimes.empty()) {
- CompositePresentTime& cpt = mCompositePresentTimes.front();
- // Cached values should have been updated before calling this method,
- // which helps avoid duplicate syscalls.
- nsecs_t displayTime = cpt.display->getCachedSignalTime();
- if (displayTime == Fence::SIGNAL_TIME_PENDING) {
- break;
- }
- compositeToPresentLatency = displayTime - cpt.composite;
- mCompositePresentTimes.pop();
- }
-
- // Don't let mCompositePresentTimes grow unbounded, just in case.
- while (mCompositePresentTimes.size() > 16) {
- mCompositePresentTimes.pop();
- }
-
- setCompositorTimingSnapped(
- vsyncPhase, vsyncInterval, compositeToPresentLatency);
-}
-
-void SurfaceFlinger::setCompositorTimingSnapped(nsecs_t vsyncPhase,
- nsecs_t vsyncInterval, nsecs_t compositeToPresentLatency) {
- // Integer division and modulo round toward 0 not -inf, so we need to
- // treat negative and positive offsets differently.
- nsecs_t idealLatency = (sfVsyncPhaseOffsetNs > 0) ?
- (vsyncInterval - (sfVsyncPhaseOffsetNs % vsyncInterval)) :
- ((-sfVsyncPhaseOffsetNs) % vsyncInterval);
-
- // Just in case sfVsyncPhaseOffsetNs == -vsyncInterval.
- if (idealLatency <= 0) {
- idealLatency = vsyncInterval;
- }
-
- // Snap the latency to a value that removes scheduling jitter from the
- // composition and present times, which often have >1ms of jitter.
- // Reducing jitter is important if an app attempts to extrapolate
- // something (such as user input) to an accurate diasplay time.
- // Snapping also allows an app to precisely calculate sfVsyncPhaseOffsetNs
- // with (presentLatency % interval).
- nsecs_t bias = vsyncInterval / 2;
- int64_t extraVsyncs =
- (compositeToPresentLatency - idealLatency + bias) / vsyncInterval;
- nsecs_t snappedCompositeToPresentLatency = (extraVsyncs > 0) ?
- idealLatency + (extraVsyncs * vsyncInterval) : idealLatency;
-
- std::lock_guard<std::mutex> lock(mCompositorTimingLock);
- mCompositorTiming.deadline = vsyncPhase - idealLatency;
- mCompositorTiming.interval = vsyncInterval;
- mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
-}
-
-void SurfaceFlinger::postComposition(nsecs_t refreshStartTime)
-{
- const HWComposer& hwc = getHwComposer();
- const sp<const DisplayDevice> hw(getDefaultDisplayDevice());
-
- mGlCompositionDoneTimeline.updateSignalTimes();
- std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
- if (getHwComposer().hasGlesComposition(hw->getHwcDisplayId())) {
- glCompositionDoneFenceTime =
- std::make_shared<FenceTime>(hw->getClientTargetAcquireFence());
- mGlCompositionDoneTimeline.push(glCompositionDoneFenceTime);
- } else {
- glCompositionDoneFenceTime = FenceTime::NO_FENCE;
- }
-
- mDisplayTimeline.updateSignalTimes();
- sp<Fence> retireFence = mHwc->getDisplayFence(HWC_DISPLAY_PRIMARY);
- auto retireFenceTime = std::make_shared<FenceTime>(retireFence);
- mDisplayTimeline.push(retireFenceTime);
-
- nsecs_t vsyncPhase = mPrimaryDispSync.computeNextRefresh(0);
- nsecs_t vsyncInterval = mPrimaryDispSync.getPeriod();
-
- // We use the refreshStartTime which might be sampled a little later than
- // when we started doing work for this frame, but that should be okay
- // since updateCompositorTiming has snapping logic.
- updateCompositorTiming(
- vsyncPhase, vsyncInterval, refreshStartTime, retireFenceTime);
- CompositorTiming compositorTiming;
- {
- std::lock_guard<std::mutex> lock(mCompositorTimingLock);
- compositorTiming = mCompositorTiming;
- }
-
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- // TODO(brianderson): The retire fence is incorrectly passed in as the
- // present fence. Fix this if this file lives on.
- bool frameLatched = layer->onPostComposition(glCompositionDoneFenceTime,
- retireFenceTime, compositorTiming);
- if (frameLatched) {
- recordBufferingStats(layer->getName().string(),
- layer->getOccupancyHistory(false));
- }
- });
-
- if (retireFence->isValid()) {
- if (mPrimaryDispSync.addPresentFence(retireFenceTime)) {
- enableHardwareVsync();
- } else {
- disableHardwareVsync(false);
- }
- }
-
- if (!hasSyncFramework) {
- if (hw->isDisplayOn()) {
- enableHardwareVsync();
- }
- }
-
- if (mAnimCompositionPending) {
- mAnimCompositionPending = false;
-
- if (retireFenceTime->isValid()) {
- mAnimFrameTracker.setActualPresentFence(std::move(retireFenceTime));
- } else {
- // The HWC doesn't support present fences, so use the refresh
- // timestamp instead.
- nsecs_t presentTime = hwc.getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
- mAnimFrameTracker.setActualPresentTime(presentTime);
- }
- mAnimFrameTracker.advanceFrame();
- }
-
- if (hw->getPowerMode() == HWC_POWER_MODE_OFF) {
- return;
- }
-
- nsecs_t currentTime = systemTime();
- if (mHasPoweredOff) {
- mHasPoweredOff = false;
- } else {
- nsecs_t period = mPrimaryDispSync.getPeriod();
- nsecs_t elapsedTime = currentTime - mLastSwapTime;
- size_t numPeriods = static_cast<size_t>(elapsedTime / period);
- if (numPeriods < NUM_BUCKETS - 1) {
- mFrameBuckets[numPeriods] += elapsedTime;
- } else {
- mFrameBuckets[NUM_BUCKETS - 1] += elapsedTime;
- }
- mTotalTime += elapsedTime;
- }
- mLastSwapTime = currentTime;
-}
-
-void SurfaceFlinger::rebuildLayerStacks() {
- // rebuild the visible layer list per screen
- if (CC_UNLIKELY(mVisibleRegionsDirty)) {
- ATRACE_CALL();
- mVisibleRegionsDirty = false;
- invalidateHwcGeometry();
-
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- Region opaqueRegion;
- Region dirtyRegion;
- Vector< sp<Layer> > layersSortedByZ;
- const sp<DisplayDevice>& hw(mDisplays[dpy]);
- const Transform& tr(hw->getTransform());
- const Rect bounds(hw->getBounds());
- if (hw->isDisplayOn()) {
- computeVisibleRegions(hw, dirtyRegion, opaqueRegion);
-
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (layer->getLayerStack() == hw->getLayerStack()) {
- Region drawRegion(tr.transform(
- layer->visibleNonTransparentRegion));
- drawRegion.andSelf(bounds);
- if (!drawRegion.isEmpty()) {
- layersSortedByZ.add(layer);
- }
- }
- });
- }
- hw->setVisibleLayersSortedByZ(layersSortedByZ);
- hw->undefinedRegion.set(bounds);
- hw->undefinedRegion.subtractSelf(tr.transform(opaqueRegion));
- hw->dirtyRegion.orSelf(dirtyRegion);
- }
- }
-}
-
-void SurfaceFlinger::setUpHWComposer() {
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- bool dirty = !mDisplays[dpy]->getDirtyRegion(false).isEmpty();
- bool empty = mDisplays[dpy]->getVisibleLayersSortedByZ().size() == 0;
- bool wasEmpty = !mDisplays[dpy]->lastCompositionHadVisibleLayers;
-
- // If nothing has changed (!dirty), don't recompose.
- // If something changed, but we don't currently have any visible layers,
- // and didn't when we last did a composition, then skip it this time.
- // The second rule does two things:
- // - When all layers are removed from a display, we'll emit one black
- // frame, then nothing more until we get new layers.
- // - When a display is created with a private layer stack, we won't
- // emit any black frames until a layer is added to the layer stack.
- bool mustRecompose = dirty && !(empty && wasEmpty);
-
- ALOGV_IF(mDisplays[dpy]->getDisplayType() == DisplayDevice::DISPLAY_VIRTUAL,
- "dpy[%zu]: %s composition (%sdirty %sempty %swasEmpty)", dpy,
- mustRecompose ? "doing" : "skipping",
- dirty ? "+" : "-",
- empty ? "+" : "-",
- wasEmpty ? "+" : "-");
-
- mDisplays[dpy]->beginFrame(mustRecompose);
-
- if (mustRecompose) {
- mDisplays[dpy]->lastCompositionHadVisibleLayers = !empty;
- }
- }
-
- HWComposer& hwc(getHwComposer());
- if (hwc.initCheck() == NO_ERROR) {
- // build the h/w work list
- if (CC_UNLIKELY(mHwWorkListDirty)) {
- mHwWorkListDirty = false;
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- const int32_t id = hw->getHwcDisplayId();
- if (id >= 0) {
- const Vector< sp<Layer> >& currentLayers(
- hw->getVisibleLayersSortedByZ());
- const size_t count = currentLayers.size();
- if (hwc.createWorkList(id, count) == NO_ERROR) {
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
- for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
- const sp<Layer>& layer(currentLayers[i]);
- layer->setGeometry(hw, *cur);
- if (mDebugDisableHWC || mDebugRegion || mDaltonize || mHasColorMatrix) {
- cur->setSkip(true);
- }
- }
- }
- }
- }
- }
-
- // set the per-frame data
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- const int32_t id = hw->getHwcDisplayId();
- if (id >= 0) {
- const Vector< sp<Layer> >& currentLayers(
- hw->getVisibleLayersSortedByZ());
- const size_t count = currentLayers.size();
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
- for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
- /*
- * update the per-frame h/w composer data for each layer
- * and build the transparent region of the FB
- */
- const sp<Layer>& layer(currentLayers[i]);
- layer->setPerFrameData(hw, *cur);
- }
- }
- }
-
- // If possible, attempt to use the cursor overlay on each display.
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- const int32_t id = hw->getHwcDisplayId();
- if (id >= 0) {
- const Vector< sp<Layer> >& currentLayers(
- hw->getVisibleLayersSortedByZ());
- const size_t count = currentLayers.size();
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
- for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
- const sp<Layer>& layer(currentLayers[i]);
- if (layer->isPotentialCursor()) {
- cur->setIsCursorLayerHint();
- break;
- }
- }
- }
- }
-
- status_t err = hwc.prepare();
- ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
-
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- hw->prepareFrame(hwc);
- }
- }
-}
-
-void SurfaceFlinger::doComposition() {
- ATRACE_CALL();
- const bool repaintEverything = android_atomic_and(0, &mRepaintEverything);
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- const sp<DisplayDevice>& hw(mDisplays[dpy]);
- if (hw->isDisplayOn()) {
- // transform the dirty region into this screen's coordinate space
- const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
-
- // repaint the framebuffer (if needed)
- doDisplayComposition(hw, dirtyRegion);
-
- hw->dirtyRegion.clear();
- hw->flip(hw->swapRegion);
- hw->swapRegion.clear();
- }
- // inform the h/w that we're done compositing
- hw->compositionComplete();
- }
- postFramebuffer();
-}
-
-void SurfaceFlinger::postFramebuffer()
-{
- ATRACE_CALL();
-
- const nsecs_t now = systemTime();
- mDebugInSwapBuffers = now;
-
- HWComposer& hwc(getHwComposer());
- if (hwc.initCheck() == NO_ERROR) {
- if (!hwc.supportsFramebufferTarget()) {
- // EGL spec says:
- // "surface must be bound to the calling thread's current context,
- // for the current rendering API."
- getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
- }
- hwc.commit();
- }
-
- // make the default display current because the VirtualDisplayDevice code cannot
- // deal with dequeueBuffer() being called outside of the composition loop; however
- // the code below can call glFlush() which is allowed (and does in some case) call
- // dequeueBuffer().
- getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext);
-
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- const Vector< sp<Layer> >& currentLayers(hw->getVisibleLayersSortedByZ());
- hw->onSwapBuffersCompleted(hwc);
- const size_t count = currentLayers.size();
- int32_t id = hw->getHwcDisplayId();
- if (id >=0 && hwc.initCheck() == NO_ERROR) {
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
- for (size_t i = 0; cur != end && i < count; ++i, ++cur) {
- currentLayers[i]->onLayerDisplayed(hw, &*cur);
- }
- } else {
- for (size_t i = 0; i < count; i++) {
- currentLayers[i]->onLayerDisplayed(hw, NULL);
- }
- }
- }
-
- mLastSwapBufferTime = systemTime() - now;
- mDebugInSwapBuffers = 0;
-
- uint32_t flipCount = getDefaultDisplayDevice()->getPageFlipCount();
- if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
- logFrameStats();
- }
-}
-
-void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
-{
- ATRACE_CALL();
-
- // here we keep a copy of the drawing state (that is the state that's
- // going to be overwritten by handleTransactionLocked()) outside of
- // mStateLock so that the side-effects of the State assignment
- // don't happen with mStateLock held (which can cause deadlocks).
- State drawingState(mDrawingState);
-
- Mutex::Autolock _l(mStateLock);
- const nsecs_t now = systemTime();
- mDebugInTransaction = now;
-
- // Here we're guaranteed that some transaction flags are set
- // so we can call handleTransactionLocked() unconditionally.
- // We call getTransactionFlags(), which will also clear the flags,
- // with mStateLock held to guarantee that mCurrentState won't change
- // until the transaction is committed.
-
- transactionFlags = getTransactionFlags(eTransactionMask);
- handleTransactionLocked(transactionFlags);
-
- mLastTransactionTime = systemTime() - now;
- mDebugInTransaction = 0;
- invalidateHwcGeometry();
- // here the transaction has been committed
-}
-
-void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
-{
- // Notify all layers of available frames
- mCurrentState.traverseInZOrder([](Layer* layer) {
- layer->notifyAvailableFrames();
- });
-
- /*
- * Traversal of the children
- * (perform the transaction for each of them if needed)
- */
-
- if (transactionFlags & eTraversalNeeded) {
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded);
- if (!trFlags) return;
-
- const uint32_t flags = layer->doTransaction(0);
- if (flags & Layer::eVisibleRegion)
- mVisibleRegionsDirty = true;
- });
- }
-
- /*
- * Perform display own transactions if needed
- */
-
- if (transactionFlags & eDisplayTransactionNeeded) {
- // here we take advantage of Vector's copy-on-write semantics to
- // improve performance by skipping the transaction entirely when
- // know that the lists are identical
- const KeyedVector< wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
- const KeyedVector< wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
- if (!curr.isIdenticalTo(draw)) {
- mVisibleRegionsDirty = true;
- const size_t cc = curr.size();
- size_t dc = draw.size();
-
- // find the displays that were removed
- // (ie: in drawing state but not in current state)
- // also handle displays that changed
- // (ie: displays that are in both lists)
- for (size_t i=0 ; i<dc ; i++) {
- const ssize_t j = curr.indexOfKey(draw.keyAt(i));
- if (j < 0) {
- // in drawing state but not in current state
- if (!draw[i].isMainDisplay()) {
- // Call makeCurrent() on the primary display so we can
- // be sure that nothing associated with this display
- // is current.
- const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDeviceLocked());
- defaultDisplay->makeCurrent(mEGLDisplay, mEGLContext);
- sp<DisplayDevice> hw(getDisplayDeviceLocked(draw.keyAt(i)));
- if (hw != NULL)
- hw->disconnect(getHwComposer());
- if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
- mEventThread->onHotplugReceived(draw[i].type, false);
- mDisplays.removeItem(draw.keyAt(i));
- } else {
- ALOGW("trying to remove the main display");
- }
- } else {
- // this display is in both lists. see if something changed.
- const DisplayDeviceState& state(curr[j]);
- const wp<IBinder>& display(curr.keyAt(j));
- const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
- const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
- if (state_binder != draw_binder) {
- // changing the surface is like destroying and
- // recreating the DisplayDevice, so we just remove it
- // from the drawing state, so that it get re-added
- // below.
- sp<DisplayDevice> hw(getDisplayDeviceLocked(display));
- if (hw != NULL)
- hw->disconnect(getHwComposer());
- mDisplays.removeItem(display);
- mDrawingState.displays.removeItemsAt(i);
- dc--; i--;
- // at this point we must loop to the next item
- continue;
- }
-
- const sp<DisplayDevice> disp(getDisplayDeviceLocked(display));
- if (disp != NULL) {
- if (state.layerStack != draw[i].layerStack) {
- disp->setLayerStack(state.layerStack);
- }
- if ((state.orientation != draw[i].orientation)
- || (state.viewport != draw[i].viewport)
- || (state.frame != draw[i].frame))
- {
- disp->setProjection(state.orientation,
- state.viewport, state.frame);
- }
- if (state.width != draw[i].width || state.height != draw[i].height) {
- disp->setDisplaySize(state.width, state.height);
- }
- }
- }
- }
-
- // find displays that were added
- // (ie: in current state but not in drawing state)
- for (size_t i=0 ; i<cc ; i++) {
- if (draw.indexOfKey(curr.keyAt(i)) < 0) {
- const DisplayDeviceState& state(curr[i]);
-
- sp<DisplaySurface> dispSurface;
- sp<IGraphicBufferProducer> producer;
- sp<IGraphicBufferProducer> bqProducer;
- sp<IGraphicBufferConsumer> bqConsumer;
- BufferQueue::createBufferQueue(&bqProducer, &bqConsumer);
-
- int32_t hwcDisplayId = -1;
- if (state.isVirtualDisplay()) {
- // Virtual displays without a surface are dormant:
- // they have external state (layer stack, projection,
- // etc.) but no internal state (i.e. a DisplayDevice).
- if (state.surface != NULL) {
-
- int width = 0;
- int status = state.surface->query(
- NATIVE_WINDOW_WIDTH, &width);
- ALOGE_IF(status != NO_ERROR,
- "Unable to query width (%d)", status);
- int height = 0;
- status = state.surface->query(
- NATIVE_WINDOW_HEIGHT, &height);
- ALOGE_IF(status != NO_ERROR,
- "Unable to query height (%d)", status);
- if (mUseHwcVirtualDisplays &&
- (SurfaceFlinger::maxVirtualDisplaySize == 0 ||
- (width <= static_cast<int>(SurfaceFlinger::maxVirtualDisplaySize) &&
- height <= static_cast<int>(SurfaceFlinger::maxVirtualDisplaySize)))) {
- hwcDisplayId = allocateHwcDisplayId(state.type);
- }
-
- sp<VirtualDisplaySurface> vds = new VirtualDisplaySurface(
- *mHwc, hwcDisplayId, state.surface,
- bqProducer, bqConsumer, state.displayName);
-
- dispSurface = vds;
- producer = vds;
- }
- } else {
- ALOGE_IF(state.surface!=NULL,
- "adding a supported display, but rendering "
- "surface is provided (%p), ignoring it",
- state.surface.get());
- hwcDisplayId = allocateHwcDisplayId(state.type);
- // for supported (by hwc) displays we provide our
- // own rendering surface
- dispSurface = new FramebufferSurface(*mHwc, state.type,
- bqConsumer);
- producer = bqProducer;
- }
-
- const wp<IBinder>& display(curr.keyAt(i));
- if (dispSurface != NULL) {
- sp<DisplayDevice> hw = new DisplayDevice(this,
- state.type, hwcDisplayId,
- mHwc->getFormat(hwcDisplayId), state.isSecure,
- display, dispSurface, producer,
- mRenderEngine->getEGLConfig(), false);
- hw->setLayerStack(state.layerStack);
- hw->setProjection(state.orientation,
- state.viewport, state.frame);
- hw->setDisplayName(state.displayName);
- mDisplays.add(display, hw);
- if (state.isVirtualDisplay()) {
- if (hwcDisplayId >= 0) {
- mHwc->setVirtualDisplayProperties(hwcDisplayId,
- hw->getWidth(), hw->getHeight(),
- hw->getFormat());
- }
- } else {
- mEventThread->onHotplugReceived(state.type, true);
- }
- }
- }
- }
- }
- }
-
- if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
- // The transform hint might have changed for some layers
- // (either because a display has changed, or because a layer
- // as changed).
- //
- // Walk through all the layers in currentLayers,
- // and update their transform hint.
- //
- // If a layer is visible only on a single display, then that
- // display is used to calculate the hint, otherwise we use the
- // default display.
- //
- // NOTE: we do this here, rather than in rebuildLayerStacks() so that
- // the hint is set before we acquire a buffer from the surface texture.
- //
- // NOTE: layer transactions have taken place already, so we use their
- // drawing state. However, SurfaceFlinger's own transaction has not
- // happened yet, so we must use the current state layer list
- // (soon to become the drawing state list).
- //
- sp<const DisplayDevice> disp;
- uint32_t currentlayerStack = 0;
- bool first = true;
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- // NOTE: we rely on the fact that layers are sorted by
- // layerStack first (so we don't have to traverse the list
- // of displays for every layer).
- uint32_t layerStack = layer->getLayerStack();
- if (first || currentlayerStack != layerStack) {
- currentlayerStack = layerStack;
- // figure out if this layerstack is mirrored
- // (more than one display) if so, pick the default display,
- // if not, pick the only display it's on.
- disp.clear();
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- if (hw->getLayerStack() == currentlayerStack) {
- if (disp == NULL) {
- disp = hw;
- } else {
- disp = NULL;
- break;
- }
- }
- }
- }
- if (disp == NULL) {
- // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
- // redraw after transform hint changes. See bug 8508397.
-
- // could be null when this layer is using a layerStack
- // that is not visible on any display. Also can occur at
- // screen off/on times.
- disp = getDefaultDisplayDeviceLocked();
- }
- layer->updateTransformHint(disp);
-
- first = false;
- });
- }
-
-
- /*
- * Perform our own transaction if needed
- */
-
- if (mLayersAdded) {
- mLayersAdded = false;
- // Layers have been added.
- mVisibleRegionsDirty = true;
- }
-
- // some layers might have been removed, so
- // we need to update the regions they're exposing.
- if (mLayersRemoved) {
- mLayersRemoved = false;
- mVisibleRegionsDirty = true;
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (mLayersPendingRemoval.indexOf(layer) >= 0) {
- // this layer is not visible anymore
- // TODO: we could traverse the tree from front to back and
- // compute the actual visible region
- // TODO: we could cache the transformed region
- Region visibleReg;
- visibleReg.set(layer->computeScreenBounds());
- invalidateLayerStack(layer, visibleReg);
- }
- });
- }
-
- commitTransaction();
-
- updateCursorAsync();
-}
-
-void SurfaceFlinger::updateCursorAsync()
-{
- HWComposer& hwc(getHwComposer());
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- sp<const DisplayDevice> hw(mDisplays[dpy]);
- const int32_t id = hw->getHwcDisplayId();
- if (id < 0) {
- continue;
- }
- const Vector< sp<Layer> >& currentLayers(
- hw->getVisibleLayersSortedByZ());
- const size_t count = currentLayers.size();
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
- for (size_t i=0 ; cur!=end && i<count ; ++i, ++cur) {
- if (cur->getCompositionType() != HWC_CURSOR_OVERLAY) {
- continue;
- }
- const sp<Layer>& layer(currentLayers[i]);
- Rect cursorPos = layer->getPosition(hw);
- hwc.setCursorPositionAsync(id, cursorPos);
- break;
- }
- }
-}
-
-void SurfaceFlinger::commitTransaction()
-{
- if (!mLayersPendingRemoval.isEmpty()) {
- // Notify removed layers now that they can't be drawn from
- for (const auto& l : mLayersPendingRemoval) {
- recordBufferingStats(l->getName().string(),
- l->getOccupancyHistory(true));
- l->onRemoved();
- }
- mLayersPendingRemoval.clear();
- }
-
- // If this transaction is part of a window animation then the next frame
- // we composite should be considered an animation as well.
- mAnimCompositionPending = mAnimTransactionPending;
-
- mDrawingState = mCurrentState;
- mDrawingState.traverseInZOrder([](Layer* layer) {
- layer->commitChildList();
- });
- mTransactionPending = false;
- mAnimTransactionPending = false;
- mTransactionCV.broadcast();
-}
-
-void SurfaceFlinger::computeVisibleRegions(const sp<const DisplayDevice>& displayDevice,
- Region& outDirtyRegion, Region& outOpaqueRegion)
-{
- ATRACE_CALL();
-
- Region aboveOpaqueLayers;
- Region aboveCoveredLayers;
- Region dirty;
-
- outDirtyRegion.clear();
-
- mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
- // start with the whole surface at its current location
- const Layer::State& s(layer->getDrawingState());
-
- // only consider the layers on the given layer stack
- if (layer->getLayerStack() != displayDevice->getLayerStack())
- return;
-
- /*
- * opaqueRegion: area of a surface that is fully opaque.
- */
- Region opaqueRegion;
-
- /*
- * visibleRegion: area of a surface that is visible on screen
- * and not fully transparent. This is essentially the layer's
- * footprint minus the opaque regions above it.
- * Areas covered by a translucent surface are considered visible.
- */
- Region visibleRegion;
-
- /*
- * coveredRegion: area of a surface that is covered by all
- * visible regions above it (which includes the translucent areas).
- */
- Region coveredRegion;
-
- /*
- * transparentRegion: area of a surface that is hinted to be completely
- * transparent. This is only used to tell when the layer has no visible
- * non-transparent regions and can be removed from the layer list. It
- * does not affect the visibleRegion of this layer or any layers
- * beneath it. The hint may not be correct if apps don't respect the
- * SurfaceView restrictions (which, sadly, some don't).
- */
- Region transparentRegion;
-
-
- // handle hidden surfaces by setting the visible region to empty
- if (CC_LIKELY(layer->isVisible())) {
- const bool translucent = !layer->isOpaque(s);
- Rect bounds(layer->computeScreenBounds());
- visibleRegion.set(bounds);
- Transform tr = layer->getTransform();
- if (!visibleRegion.isEmpty()) {
- // Remove the transparent area from the visible region
- if (translucent) {
- if (tr.preserveRects()) {
- // transform the transparent region
- transparentRegion = tr.transform(s.activeTransparentRegion);
- } else {
- // transformation too complex, can't do the
- // transparent region optimization.
- transparentRegion.clear();
- }
- }
-
- // compute the opaque region
- const int32_t layerOrientation = tr.getOrientation();
- if (layer->getAlpha()==1.0f && !translucent &&
- ((layerOrientation & Transform::ROT_INVALID) == false)) {
- // the opaque region is the layer's footprint
- opaqueRegion = visibleRegion;
- }
- }
- }
-
- // Clip the covered region to the visible region
- coveredRegion = aboveCoveredLayers.intersect(visibleRegion);
-
- // Update aboveCoveredLayers for next (lower) layer
- aboveCoveredLayers.orSelf(visibleRegion);
-
- // subtract the opaque region covered by the layers above us
- visibleRegion.subtractSelf(aboveOpaqueLayers);
-
- // compute this layer's dirty region
- if (layer->contentDirty) {
- // we need to invalidate the whole region
- dirty = visibleRegion;
- // as well, as the old visible region
- dirty.orSelf(layer->visibleRegion);
- layer->contentDirty = false;
- } else {
- /* compute the exposed region:
- * the exposed region consists of two components:
- * 1) what's VISIBLE now and was COVERED before
- * 2) what's EXPOSED now less what was EXPOSED before
- *
- * note that (1) is conservative, we start with the whole
- * visible region but only keep what used to be covered by
- * something -- which mean it may have been exposed.
- *
- * (2) handles areas that were not covered by anything but got
- * exposed because of a resize.
- */
- const Region newExposed = visibleRegion - coveredRegion;
- const Region oldVisibleRegion = layer->visibleRegion;
- const Region oldCoveredRegion = layer->coveredRegion;
- const Region oldExposed = oldVisibleRegion - oldCoveredRegion;
- dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
- }
- dirty.subtractSelf(aboveOpaqueLayers);
-
- // accumulate to the screen dirty region
- outDirtyRegion.orSelf(dirty);
-
- // Update aboveOpaqueLayers for next (lower) layer
- aboveOpaqueLayers.orSelf(opaqueRegion);
-
- // Store the visible region in screen space
- layer->setVisibleRegion(visibleRegion);
- layer->setCoveredRegion(coveredRegion);
- layer->setVisibleNonTransparentRegion(
- visibleRegion.subtract(transparentRegion));
- });
-
- outOpaqueRegion = aboveOpaqueLayers;
-}
-
-void SurfaceFlinger::invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty) {
- uint32_t layerStack = layer->getLayerStack();
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- const sp<DisplayDevice>& hw(mDisplays[dpy]);
- if (hw->getLayerStack() == layerStack) {
- hw->dirtyRegion.orSelf(dirty);
- }
- }
-}
-
-bool SurfaceFlinger::handlePageFlip()
-{
- nsecs_t latchTime = systemTime();
- Region dirtyRegion;
-
- bool visibleRegions = false;
- bool frameQueued = false;
-
- // Store the set of layers that need updates. This set must not change as
- // buffers are being latched, as this could result in a deadlock.
- // Example: Two producers share the same command stream and:
- // 1.) Layer 0 is latched
- // 2.) Layer 0 gets a new frame
- // 2.) Layer 1 gets a new frame
- // 3.) Layer 1 is latched.
- // Display is now waiting on Layer 1's frame, which is behind layer 0's
- // second frame. But layer 0's second frame could be waiting on display.
- Vector<Layer*> layersWithQueuedFrames;
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (layer->hasQueuedFrame()) {
- frameQueued = true;
- if (layer->shouldPresentNow(mPrimaryDispSync)) {
- layersWithQueuedFrames.push_back(layer);
- } else {
- layer->useEmptyDamage();
- }
- } else {
- layer->useEmptyDamage();
- }
- });
- for (size_t i = 0, count = layersWithQueuedFrames.size() ; i<count ; i++) {
- Layer* layer = layersWithQueuedFrames[i];
- const Region dirty(layer->latchBuffer(visibleRegions, latchTime));
- layer->useSurfaceDamage();
- invalidateLayerStack(layer, dirty);
- }
-
- mVisibleRegionsDirty |= visibleRegions;
-
- // If we will need to wake up at some time in the future to deal with a
- // queued frame that shouldn't be displayed during this vsync period, wake
- // up during the next vsync period to check again.
- if (frameQueued && layersWithQueuedFrames.empty()) {
- signalLayerUpdate();
- }
-
- // Only continue with the refresh if there is actually new work to do
- return !layersWithQueuedFrames.empty();
-}
-
-void SurfaceFlinger::invalidateHwcGeometry()
-{
- mHwWorkListDirty = true;
-}
-
-
-void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& hw,
- const Region& inDirtyRegion)
-{
- // We only need to actually compose the display if:
- // 1) It is being handled by hardware composer, which may need this to
- // keep its virtual display state machine in sync, or
- // 2) There is work to be done (the dirty region isn't empty)
- bool isHwcDisplay = hw->getHwcDisplayId() >= 0;
- if (!isHwcDisplay && inDirtyRegion.isEmpty()) {
- return;
- }
-
- Region dirtyRegion(inDirtyRegion);
-
- // compute the invalid region
- hw->swapRegion.orSelf(dirtyRegion);
-
- uint32_t flags = hw->getFlags();
- if (flags & DisplayDevice::SWAP_RECTANGLE) {
- // we can redraw only what's dirty, but since SWAP_RECTANGLE only
- // takes a rectangle, we must make sure to update that whole
- // rectangle in that case
- dirtyRegion.set(hw->swapRegion.bounds());
- } else {
- if (flags & DisplayDevice::PARTIAL_UPDATES) {
- // We need to redraw the rectangle that will be updated
- // (pushed to the framebuffer).
- // This is needed because PARTIAL_UPDATES only takes one
- // rectangle instead of a region (see DisplayDevice::flip())
- dirtyRegion.set(hw->swapRegion.bounds());
- } else {
- // we need to redraw everything (the whole screen)
- dirtyRegion.set(hw->bounds());
- hw->swapRegion = dirtyRegion;
- }
- }
-
- if (CC_LIKELY(!mDaltonize && !mHasColorMatrix)) {
- if (!doComposeSurfaces(hw, dirtyRegion)) return;
- } else {
- RenderEngine& engine(getRenderEngine());
- mat4 colorMatrix = mColorMatrix;
- if (mDaltonize) {
- colorMatrix = colorMatrix * mDaltonizer();
- }
- mat4 oldMatrix = engine.setupColorTransform(colorMatrix);
- doComposeSurfaces(hw, dirtyRegion);
- engine.setupColorTransform(oldMatrix);
- }
-
- // update the swap region and clear the dirty region
- hw->swapRegion.orSelf(dirtyRegion);
-
- // swap buffers (presentation)
- hw->swapBuffers(getHwComposer());
-}
-
-bool SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& hw, const Region& dirty)
-{
- DisplayRenderArea renderArea(hw);
-
- RenderEngine& engine(getRenderEngine());
- const int32_t id = hw->getHwcDisplayId();
- HWComposer& hwc(getHwComposer());
- HWComposer::LayerListIterator cur = hwc.begin(id);
- const HWComposer::LayerListIterator end = hwc.end(id);
-
- bool hasGlesComposition = hwc.hasGlesComposition(id);
- if (hasGlesComposition) {
- if (!hw->makeCurrent(mEGLDisplay, mEGLContext)) {
- ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
- hw->getDisplayName().string());
- eglMakeCurrent(mEGLDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
- if(!getDefaultDisplayDevice()->makeCurrent(mEGLDisplay, mEGLContext)) {
- ALOGE("DisplayDevice::makeCurrent on default display failed. Aborting.");
- }
- return false;
- }
-
- // Never touch the framebuffer if we don't have any framebuffer layers
- const bool hasHwcComposition = hwc.hasHwcComposition(id);
- if (hasHwcComposition) {
- // when using overlays, we assume a fully transparent framebuffer
- // NOTE: we could reduce how much we need to clear, for instance
- // remove where there are opaque FB layers. however, on some
- // GPUs doing a "clean slate" clear might be more efficient.
- // We'll revisit later if needed.
- engine.clearWithColor(0, 0, 0, 0);
- } else {
- // we start with the whole screen area
- const Region bounds(hw->getBounds());
-
- // we remove the scissor part
- // we're left with the letterbox region
- // (common case is that letterbox ends-up being empty)
- const Region letterbox(bounds.subtract(hw->getScissor()));
-
- // compute the area to clear
- Region region(hw->undefinedRegion.merge(letterbox));
-
- // but limit it to the dirty region
- region.andSelf(dirty);
-
- // screen is already cleared here
- if (!region.isEmpty()) {
- // can happen with SurfaceView
- drawWormhole(hw, region);
- }
- }
-
- if (hw->getDisplayType() != DisplayDevice::DISPLAY_PRIMARY) {
- // just to be on the safe side, we don't set the
- // scissor on the main display. It should never be needed
- // anyways (though in theory it could since the API allows it).
- const Rect& bounds(hw->getBounds());
- const Rect& scissor(hw->getScissor());
- if (scissor != bounds) {
- // scissor doesn't match the screen's dimensions, so we
- // need to clear everything outside of it and enable
- // the GL scissor so we don't draw anything where we shouldn't
-
- // enable scissor for this frame
- const uint32_t height = hw->getHeight();
- engine.setScissor(scissor.left, height - scissor.bottom,
- scissor.getWidth(), scissor.getHeight());
- }
- }
- }
-
- /*
- * and then, render the layers targeted at the framebuffer
- */
-
- const Vector< sp<Layer> >& layers(hw->getVisibleLayersSortedByZ());
- const size_t count = layers.size();
- const Transform& tr = hw->getTransform();
- if (cur != end) {
- // we're using h/w composer
- for (size_t i=0 ; i<count && cur!=end ; ++i, ++cur) {
- const sp<Layer>& layer(layers[i]);
- const Region clip(dirty.intersect(tr.transform(layer->visibleRegion)));
- if (!clip.isEmpty()) {
- switch (cur->getCompositionType()) {
- case HWC_CURSOR_OVERLAY:
- case HWC_OVERLAY: {
- const Layer::State& state(layer->getDrawingState());
- if ((cur->getHints() & HWC_HINT_CLEAR_FB)
- && i
- && layer->isOpaque(state) && (state.color.a == 1.0f)
- && hasGlesComposition) {
- // never clear the very first layer since we're
- // guaranteed the FB is already cleared
- layer->clearWithOpenGL(renderArea);
- }
- break;
- }
- case HWC_FRAMEBUFFER: {
- layer->draw(renderArea, clip);
- break;
- }
- case HWC_FRAMEBUFFER_TARGET: {
- // this should not happen as the iterator shouldn't
- // let us get there.
- ALOGW("HWC_FRAMEBUFFER_TARGET found in hwc list (index=%zu)", i);
- break;
- }
- }
- }
- layer->setAcquireFence(hw, *cur);
- }
- } else {
- // we're not using h/w composer
- for (size_t i=0 ; i<count ; ++i) {
- const sp<Layer>& layer(layers[i]);
- const Region clip(dirty.intersect(
- tr.transform(layer->visibleRegion)));
- if (!clip.isEmpty()) {
- layer->draw(renderArea, clip);
- }
- }
- }
-
- // disable scissor at the end of the frame
- engine.disableScissor();
- return true;
-}
-
-void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& hw, const Region& region) const {
- const int32_t height = hw->getHeight();
- RenderEngine& engine(getRenderEngine());
- engine.fillRegionWithColor(region, height, 0, 0, 0, 0);
-}
-
-status_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
- const sp<IBinder>& handle,
- const sp<IGraphicBufferProducer>& gbc,
- const sp<Layer>& lbc,
- const sp<Layer>& parent)
-{
- // add this layer to the current state list
- {
- Mutex::Autolock _l(mStateLock);
- if (mNumLayers >= MAX_LAYERS) {
- return NO_MEMORY;
- }
- if (parent == nullptr) {
- mCurrentState.layersSortedByZ.add(lbc);
- } else {
- if (mCurrentState.layersSortedByZ.indexOf(parent) < 0) {
- ALOGE("addClientLayer called with a removed parent");
- return NAME_NOT_FOUND;
- }
- parent->addChild(lbc);
- }
-
- mGraphicBufferProducerList.add(IInterface::asBinder(gbc));
- mLayersAdded = true;
- mNumLayers++;
- }
-
- // attach this layer to the client
- client->attachLayer(handle, lbc);
-
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer, bool topLevelOnly) {
- Mutex::Autolock _l(mStateLock);
-
- const auto& p = layer->getParent();
- ssize_t index;
- if (p != nullptr) {
- if (topLevelOnly) {
- return NO_ERROR;
- }
-
- sp<Layer> ancestor = p;
- while (ancestor->getParent() != nullptr) {
- ancestor = ancestor->getParent();
- }
- if (mCurrentState.layersSortedByZ.indexOf(ancestor) < 0) {
- ALOGE("removeLayer called with a layer whose parent has been removed");
- return NAME_NOT_FOUND;
- }
-
- index = p->removeChild(layer);
- } else {
- index = mCurrentState.layersSortedByZ.remove(layer);
- }
-
- // As a matter of normal operation, the LayerCleaner will produce a second
- // attempt to remove the surface. The Layer will be kept alive in mDrawingState
- // so we will succeed in promoting it, but it's already been removed
- // from mCurrentState. As long as we can find it in mDrawingState we have no problem
- // otherwise something has gone wrong and we are leaking the layer.
- if (index < 0 && mDrawingState.layersSortedByZ.indexOf(layer) < 0) {
- ALOGE("Failed to find layer (%s) in layer parent (%s).",
- layer->getName().string(),
- (p != nullptr) ? p->getName().string() : "no-parent");
- return BAD_VALUE;
- } else if (index < 0) {
- return NO_ERROR;
- }
-
- layer->onRemovedFromCurrentState();
- mLayersPendingRemoval.add(layer);
- mLayersRemoved = true;
- mNumLayers -= 1 + layer->getChildrenCount();
- setTransactionFlags(eTransactionNeeded);
- return NO_ERROR;
-}
-
-uint32_t SurfaceFlinger::peekTransactionFlags() {
- return android_atomic_release_load(&mTransactionFlags);
-}
-
-uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags) {
- return android_atomic_and(~flags, &mTransactionFlags) & flags;
-}
-
-uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags) {
- uint32_t old = android_atomic_or(flags, &mTransactionFlags);
- if ((old & flags)==0) { // wake the server up
- signalTransaction();
- }
- return old;
-}
-
-void SurfaceFlinger::setTransactionState(
- const Vector<ComposerState>& state,
- const Vector<DisplayState>& displays,
- uint32_t flags)
-{
- ATRACE_CALL();
- Mutex::Autolock _l(mStateLock);
- uint32_t transactionFlags = 0;
-
- if (flags & eAnimation) {
- // For window updates that are part of an animation we must wait for
- // previous animation "frames" to be handled.
- while (mAnimTransactionPending) {
- status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
- if (CC_UNLIKELY(err != NO_ERROR)) {
- // just in case something goes wrong in SF, return to the
- // caller after a few seconds.
- ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out "
- "waiting for previous animation frame");
- mAnimTransactionPending = false;
- break;
- }
- }
- }
-
- size_t count = displays.size();
- for (size_t i=0 ; i<count ; i++) {
- const DisplayState& s(displays[i]);
- transactionFlags |= setDisplayStateLocked(s);
- }
-
- count = state.size();
- for (size_t i=0 ; i<count ; i++) {
- const ComposerState& s(state[i]);
- // Here we need to check that the interface we're given is indeed
- // one of our own. A malicious client could give us a NULL
- // IInterface, or one of its own or even one of our own but a
- // different type. All these situations would cause us to crash.
- //
- // NOTE: it would be better to use RTTI as we could directly check
- // that we have a Client*. however, RTTI is disabled in Android.
- if (s.client != NULL) {
- sp<IBinder> binder = IInterface::asBinder(s.client);
- if (binder != NULL) {
- if (binder->queryLocalInterface(ISurfaceComposerClient::descriptor) != NULL) {
- sp<Client> client( static_cast<Client *>(s.client.get()) );
- transactionFlags |= setClientStateLocked(client, s.state);
- }
- }
- }
- }
-
- // If a synchronous transaction is explicitly requested without any changes,
- // force a transaction anyway. This can be used as a flush mechanism for
- // previous async transactions.
- if (transactionFlags == 0 && (flags & eSynchronous)) {
- transactionFlags = eTransactionNeeded;
- }
-
- if (transactionFlags) {
- if (mInterceptor.isEnabled()) {
- mInterceptor.saveTransaction(state, mCurrentState.displays, displays, flags);
- }
-
- // this triggers the transaction
- setTransactionFlags(transactionFlags);
-
- // if this is a synchronous transaction, wait for it to take effect
- // before returning.
- if (flags & eSynchronous) {
- mTransactionPending = true;
- }
- if (flags & eAnimation) {
- mAnimTransactionPending = true;
- }
- while (mTransactionPending) {
- status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
- if (CC_UNLIKELY(err != NO_ERROR)) {
- // just in case something goes wrong in SF, return to the
- // called after a few seconds.
- ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out!");
- mTransactionPending = false;
- break;
- }
- }
- }
-}
-
-uint32_t SurfaceFlinger::setDisplayStateLocked(const DisplayState& s)
-{
- ssize_t dpyIdx = mCurrentState.displays.indexOfKey(s.token);
- if (dpyIdx < 0)
- return 0;
-
- uint32_t flags = 0;
- DisplayDeviceState& disp(mCurrentState.displays.editValueAt(dpyIdx));
- if (disp.isValid()) {
- const uint32_t what = s.what;
- if (what & DisplayState::eSurfaceChanged) {
- if (IInterface::asBinder(disp.surface) != IInterface::asBinder(s.surface)) {
- disp.surface = s.surface;
- flags |= eDisplayTransactionNeeded;
- }
- }
- if (what & DisplayState::eLayerStackChanged) {
- if (disp.layerStack != s.layerStack) {
- disp.layerStack = s.layerStack;
- flags |= eDisplayTransactionNeeded;
- }
- }
- if (what & DisplayState::eDisplayProjectionChanged) {
- if (disp.orientation != s.orientation) {
- disp.orientation = s.orientation;
- flags |= eDisplayTransactionNeeded;
- }
- if (disp.frame != s.frame) {
- disp.frame = s.frame;
- flags |= eDisplayTransactionNeeded;
- }
- if (disp.viewport != s.viewport) {
- disp.viewport = s.viewport;
- flags |= eDisplayTransactionNeeded;
- }
- }
- if (what & DisplayState::eDisplaySizeChanged) {
- if (disp.width != s.width) {
- disp.width = s.width;
- flags |= eDisplayTransactionNeeded;
- }
- if (disp.height != s.height) {
- disp.height = s.height;
- flags |= eDisplayTransactionNeeded;
- }
- }
- }
- return flags;
-}
-
-uint32_t SurfaceFlinger::setClientStateLocked(
- const sp<Client>& client,
- const layer_state_t& s)
-{
- uint32_t flags = 0;
- sp<Layer> layer(client->getLayerUser(s.surface));
- if (layer != 0) {
- const uint32_t what = s.what;
- bool geometryAppliesWithResize =
- what & layer_state_t::eGeometryAppliesWithResize;
- if (what & layer_state_t::ePositionChanged) {
- if (layer->setPosition(s.x, s.y, !geometryAppliesWithResize)) {
- flags |= eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eLayerChanged) {
- // NOTE: index needs to be calculated before we update the state
- const auto& p = layer->getParent();
- if (p == nullptr) {
- ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
- if (layer->setLayer(s.z) && idx >= 0) {
- mCurrentState.layersSortedByZ.removeAt(idx);
- mCurrentState.layersSortedByZ.add(layer);
- // we need traversal (state changed)
- // AND transaction (list changed)
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- } else {
- if (p->setChildLayer(layer, s.z)) {
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- }
- }
- if (what & layer_state_t::eRelativeLayerChanged) {
- ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
- if (layer->setRelativeLayer(s.relativeLayerHandle, s.z)) {
- mCurrentState.layersSortedByZ.removeAt(idx);
- mCurrentState.layersSortedByZ.add(layer);
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eSizeChanged) {
- if (layer->setSize(s.w, s.h)) {
- flags |= eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eAlphaChanged) {
- if (layer->setAlpha(s.alpha))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eColorChanged) {
- if (layer->setColor(s.color)) {
- flags |= eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eMatrixChanged) {
- if (layer->setMatrix(s.matrix))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eTransparentRegionChanged) {
- if (layer->setTransparentRegionHint(s.transparentRegion))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eFlagsChanged) {
- if (layer->setFlags(s.flags, s.mask))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eCropChanged) {
- if (layer->setCrop(s.crop, !geometryAppliesWithResize))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eFinalCropChanged) {
- if (layer->setFinalCrop(s.finalCrop, !geometryAppliesWithResize))
- flags |= eTraversalNeeded;
- }
- if (what & layer_state_t::eLayerStackChanged) {
- ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
- // We only allow setting layer stacks for top level layers,
- // everything else inherits layer stack from its parent.
- if (layer->hasParent()) {
- ALOGE("Attempt to set layer stack on layer with parent (%s) is invalid",
- layer->getName().string());
- } else if (idx < 0) {
- ALOGE("Attempt to set layer stack on layer without parent (%s) that "
- "that also does not appear in the top level layer list. Something"
- " has gone wrong.", layer->getName().string());
- } else if (layer->setLayerStack(s.layerStack)) {
- mCurrentState.layersSortedByZ.removeAt(idx);
- mCurrentState.layersSortedByZ.add(layer);
- // we need traversal (state changed)
- // AND transaction (list changed)
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eDeferTransaction) {
- if (s.barrierHandle != nullptr) {
- layer->deferTransactionUntil(s.barrierHandle, s.frameNumber);
- } else if (s.barrierGbp != nullptr) {
- const sp<IGraphicBufferProducer>& gbp = s.barrierGbp;
- if (authenticateSurfaceTextureLocked(gbp)) {
- const auto& otherLayer =
- (static_cast<MonitoredProducer*>(gbp.get()))->getLayer();
- layer->deferTransactionUntil(otherLayer, s.frameNumber);
- } else {
- ALOGE("Attempt to defer transaction to to an"
- " unrecognized GraphicBufferProducer");
- }
- }
- // We don't trigger a traversal here because if no other state is
- // changed, we don't want this to cause any more work
- }
- if (what & layer_state_t::eReparent) {
- if (layer->reparent(s.parentHandleForChild)) {
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eReparentChildren) {
- if (layer->reparentChildren(s.reparentHandle)) {
- flags |= eTransactionNeeded|eTraversalNeeded;
- }
- }
- if (what & layer_state_t::eDetachChildren) {
- layer->detachChildren();
- }
- if (what & layer_state_t::eOverrideScalingModeChanged) {
- layer->setOverrideScalingMode(s.overrideScalingMode);
- // We don't trigger a traversal here because if no other state is
- // changed, we don't want this to cause any more work
- }
- }
- return flags;
-}
-
-status_t SurfaceFlinger::createLayer(
- const String8& name,
- const sp<Client>& client,
- uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
- uint32_t windowType, uint32_t ownerUid, sp<IBinder>* handle,
- sp<IGraphicBufferProducer>* gbp, sp<Layer>* parent)
-{
- if (int32_t(w|h) < 0) {
- ALOGE("createLayer() failed, w or h is negative (w=%d, h=%d)",
- int(w), int(h));
- return BAD_VALUE;
- }
-
- status_t result = NO_ERROR;
-
- sp<Layer> layer;
-
- String8 uniqueName = getUniqueLayerName(name);
-
- switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
- case ISurfaceComposerClient::eFXSurfaceNormal:
- result = createBufferLayer(client,
- uniqueName, w, h, flags, format,
- handle, gbp, &layer);
- break;
- case ISurfaceComposerClient::eFXSurfaceColor:
- result = createColorLayer(client,
- uniqueName, w, h, flags,
- handle, &layer);
- break;
- default:
- result = BAD_VALUE;
- break;
- }
-
- if (result != NO_ERROR) {
- return result;
- }
-
- layer->setInfo(windowType, ownerUid);
-
- result = addClientLayer(client, *handle, *gbp, layer, *parent);
- if (result != NO_ERROR) {
- return result;
- }
- mInterceptor.saveSurfaceCreation(layer);
-
- setTransactionFlags(eTransactionNeeded);
- return result;
-}
-
-String8 SurfaceFlinger::getUniqueLayerName(const String8& name)
-{
- bool matchFound = true;
- uint32_t dupeCounter = 0;
-
- // Tack on our counter whether there is a hit or not, so everyone gets a tag
- String8 uniqueName = name + "#" + String8(std::to_string(dupeCounter).c_str());
-
- // Loop over layers until we're sure there is no matching name
- while (matchFound) {
- matchFound = false;
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- if (layer->getName() == uniqueName) {
- matchFound = true;
- uniqueName = name + "#" + String8(std::to_string(++dupeCounter).c_str());
- }
- });
- }
-
- ALOGD_IF(dupeCounter > 0, "duplicate layer name: changing %s to %s", name.c_str(), uniqueName.c_str());
-
- return uniqueName;
-}
-
-status_t SurfaceFlinger::createBufferLayer(const sp<Client>& client,
- const String8& name, uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format,
- sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
-{
- // initialize the surfaces
- switch (format) {
- case PIXEL_FORMAT_TRANSPARENT:
- case PIXEL_FORMAT_TRANSLUCENT:
- format = PIXEL_FORMAT_RGBA_8888;
- break;
- case PIXEL_FORMAT_OPAQUE:
- format = PIXEL_FORMAT_RGBX_8888;
- break;
- }
-
- sp<BufferLayer> layer = new BufferLayer(this, client, name, w, h, flags);
- status_t err = layer->setBuffers(w, h, format, flags);
- if (err == NO_ERROR) {
- *handle = layer->getHandle();
- *gbp = layer->getProducer();
- *outLayer = layer;
- }
-
- ALOGE_IF(err, "createBufferLayer() failed (%s)", strerror(-err));
- return err;
-}
-
-status_t SurfaceFlinger::createColorLayer(const sp<Client>& client,
- const String8& name, uint32_t w, uint32_t h, uint32_t flags,
- sp<IBinder>* handle, sp<Layer>* outLayer)
-{
- *outLayer = new ColorLayer(this, client, name, w, h, flags);
- *handle = (*outLayer)->getHandle();
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::onLayerRemoved(const sp<Client>& client, const sp<IBinder>& handle)
-{
- // called by a client when it wants to remove a Layer
- status_t err = NO_ERROR;
- sp<Layer> l(client->getLayerUser(handle));
- if (l != NULL) {
- mInterceptor.saveSurfaceDeletion(l);
- err = removeLayer(l);
- ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
- "error removing layer=%p (%s)", l.get(), strerror(-err));
- }
- return err;
-}
-
-status_t SurfaceFlinger::onLayerDestroyed(const wp<Layer>& layer)
-{
- // called by ~LayerCleaner() when all references to the IBinder (handle)
- // are gone
- sp<Layer> l = layer.promote();
- if (l == nullptr) {
- // The layer has already been removed, carry on
- return NO_ERROR;
- }
- // If we have a parent, then we can continue to live as long as it does.
- return removeLayer(l, true);
-}
-
-// ---------------------------------------------------------------------------
-
-void SurfaceFlinger::onInitializeDisplays() {
- // reset screen orientation and use primary layer stack
- Vector<ComposerState> state;
- Vector<DisplayState> displays;
- DisplayState d;
- d.what = DisplayState::eDisplayProjectionChanged |
- DisplayState::eLayerStackChanged;
- d.token = mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY];
- d.layerStack = 0;
- d.orientation = DisplayState::eOrientationDefault;
- d.frame.makeInvalid();
- d.viewport.makeInvalid();
- d.width = 0;
- d.height = 0;
- displays.add(d);
- setTransactionState(state, displays, 0);
- setPowerModeInternal(getDisplayDevice(d.token), HWC_POWER_MODE_NORMAL);
-
- const nsecs_t period =
- getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
- mAnimFrameTracker.setDisplayRefreshPeriod(period);
-
- // Use phase of 0 since phase is not known.
- // Use latency of 0, which will snap to the ideal latency.
- setCompositorTimingSnapped(0, period, 0);
-}
-
-void SurfaceFlinger::initializeDisplays() {
- class MessageScreenInitialized : public MessageBase {
- SurfaceFlinger* flinger;
- public:
- explicit MessageScreenInitialized(SurfaceFlinger* flinger) : flinger(flinger) { }
- virtual bool handler() {
- flinger->onInitializeDisplays();
- return true;
- }
- };
- sp<MessageBase> msg = new MessageScreenInitialized(this);
- postMessageAsync(msg); // we may be called from main thread, use async message
-}
-
-void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
- int mode) {
- ALOGD("Set power mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
- this);
- int32_t type = hw->getDisplayType();
- int currentMode = hw->getPowerMode();
-
- if (mode == currentMode) {
- ALOGD("Screen type=%d is already mode=%d", hw->getDisplayType(), mode);
- return;
- }
-
- hw->setPowerMode(mode);
- if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
- ALOGW("Trying to set power mode for virtual display");
- return;
- }
-
- if (mInterceptor.isEnabled()) {
- Mutex::Autolock _l(mStateLock);
- ssize_t idx = mCurrentState.displays.indexOfKey(hw->getDisplayToken());
- if (idx < 0) {
- ALOGW("Surface Interceptor SavePowerMode: invalid display token");
- return;
- }
- mInterceptor.savePowerModeUpdate(mCurrentState.displays.valueAt(idx).displayId, mode);
- }
-
- if (currentMode == HWC_POWER_MODE_OFF) {
- // Turn on the display
- getHwComposer().setPowerMode(type, mode);
- if (type == DisplayDevice::DISPLAY_PRIMARY &&
- mode != HWC_POWER_MODE_DOZE_SUSPEND) {
- // FIXME: eventthread only knows about the main display right now
- mEventThread->onScreenAcquired();
- resyncToHardwareVsync(true);
- }
-
- mVisibleRegionsDirty = true;
- mHasPoweredOff = true;
- repaintEverything();
-
- struct sched_param param = {0};
- param.sched_priority = 1;
- if (sched_setscheduler(0, SCHED_FIFO, ¶m) != 0) {
- ALOGW("Couldn't set SCHED_FIFO on display on");
- }
- } else if (mode == HWC_POWER_MODE_OFF) {
- // Turn off the display
- struct sched_param param = {0};
- if (sched_setscheduler(0, SCHED_OTHER, ¶m) != 0) {
- ALOGW("Couldn't set SCHED_OTHER on display off");
- }
-
- if (type == DisplayDevice::DISPLAY_PRIMARY &&
- currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
- disableHardwareVsync(true); // also cancels any in-progress resync
-
- // FIXME: eventthread only knows about the main display right now
- mEventThread->onScreenReleased();
- }
-
- getHwComposer().setPowerMode(type, mode);
- mVisibleRegionsDirty = true;
- // from this point on, SF will stop drawing on this display
- } else if (mode == HWC_POWER_MODE_DOZE ||
- mode == HWC_POWER_MODE_NORMAL) {
- // Update display while dozing
- getHwComposer().setPowerMode(type, mode);
- if (type == DisplayDevice::DISPLAY_PRIMARY &&
- currentMode == HWC_POWER_MODE_DOZE_SUSPEND) {
- // FIXME: eventthread only knows about the main display right now
- mEventThread->onScreenAcquired();
- resyncToHardwareVsync(true);
- }
- } else if (mode == HWC_POWER_MODE_DOZE_SUSPEND) {
- // Leave display going to doze
- if (type == DisplayDevice::DISPLAY_PRIMARY) {
- disableHardwareVsync(true); // also cancels any in-progress resync
- // FIXME: eventthread only knows about the main display right now
- mEventThread->onScreenReleased();
- }
- getHwComposer().setPowerMode(type, mode);
- } else {
- ALOGE("Attempting to set unknown power mode: %d\n", mode);
- getHwComposer().setPowerMode(type, mode);
- }
-}
-
-void SurfaceFlinger::setPowerMode(const sp<IBinder>& display, int mode) {
- class MessageSetPowerMode: public MessageBase {
- SurfaceFlinger& mFlinger;
- sp<IBinder> mDisplay;
- int mMode;
- public:
- MessageSetPowerMode(SurfaceFlinger& flinger,
- const sp<IBinder>& disp, int mode) : mFlinger(flinger),
- mDisplay(disp) { mMode = mode; }
- virtual bool handler() {
- sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
- if (hw == NULL) {
- ALOGE("Attempt to set power mode = %d for null display %p",
- mMode, mDisplay.get());
- } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
- ALOGW("Attempt to set power mode = %d for virtual display",
- mMode);
- } else {
- mFlinger.setPowerModeInternal(hw, mMode);
- }
- return true;
- }
- };
- sp<MessageBase> msg = new MessageSetPowerMode(*this, display, mode);
- postMessageSync(msg);
-}
-
-// ---------------------------------------------------------------------------
-
-status_t SurfaceFlinger::doDump(int fd, const Vector<String16>& args, bool asProto) {
- String8 result;
-
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
-
- if (asProto) {
- // Return early as SurfaceFlinger does not support dumping sections in proto format
- return OK;
- }
-
- if ((uid != AID_SHELL) &&
- !PermissionCache::checkPermission(sDump, pid, uid)) {
- result.appendFormat("Permission Denial: "
- "can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
- } else {
- // Try to get the main lock, but give up after one second
- // (this would indicate SF is stuck, but we want to be able to
- // print something in dumpsys).
- status_t err = mStateLock.timedLock(s2ns(1));
- bool locked = (err == NO_ERROR);
- if (!locked) {
- result.appendFormat(
- "SurfaceFlinger appears to be unresponsive (%s [%d]), "
- "dumping anyways (no locks held)\n", strerror(-err), err);
- }
-
- bool dumpAll = true;
- size_t index = 0;
- size_t numArgs = args.size();
- if (numArgs) {
- if ((index < numArgs) &&
- (args[index] == String16("--list"))) {
- index++;
- listLayersLocked(args, index, result);
- dumpAll = false;
- }
-
- if ((index < numArgs) &&
- (args[index] == String16("--latency"))) {
- index++;
- dumpStatsLocked(args, index, result);
- dumpAll = false;
- }
-
- if ((index < numArgs) &&
- (args[index] == String16("--latency-clear"))) {
- index++;
- clearStatsLocked(args, index, result);
- dumpAll = false;
- }
-
- if ((index < numArgs) &&
- (args[index] == String16("--dispsync"))) {
- index++;
- mPrimaryDispSync.dump(result);
- dumpAll = false;
- }
-
- if ((index < numArgs) &&
- (args[index] == String16("--static-screen"))) {
- index++;
- dumpStaticScreenStats(result);
- dumpAll = false;
- }
-
- if ((index < numArgs) &&
- (args[index] == String16("--frame-events"))) {
- index++;
- dumpFrameEventsLocked(result);
- dumpAll = false;
- }
-
- if ((index < numArgs) && (args[index] == String16("--proto"))) {
- index++;
- LayersProto layersProto = dumpProtoInfo();
- result.append(layersProto.SerializeAsString().c_str(), layersProto.ByteSize());
- dumpAll = false;
- }
- }
-
- if (dumpAll) {
- dumpAllLocked(args, index, result);
- }
-
- if (locked) {
- mStateLock.unlock();
- }
- }
- write(fd, result.string(), result.size());
- return NO_ERROR;
-}
-
-void SurfaceFlinger::listLayersLocked(const Vector<String16>& /* args */,
- size_t& /* index */, String8& result) const
-{
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- result.appendFormat("%s\n", layer->getName().string());
- });
-}
-
-void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
- String8& result) const
-{
- String8 name;
- if (index < args.size()) {
- name = String8(args[index]);
- index++;
- }
-
- const nsecs_t period =
- getHwComposer().getRefreshPeriod(HWC_DISPLAY_PRIMARY);
- result.appendFormat("%" PRId64 "\n", period);
-
- if (name.isEmpty()) {
- mAnimFrameTracker.dumpStats(result);
- } else {
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- if (name == layer->getName()) {
- layer->dumpFrameStats(result);
- }
- });
- }
-}
-
-void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
- String8& /* result */)
-{
- String8 name;
- if (index < args.size()) {
- name = String8(args[index]);
- index++;
- }
-
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- if (name.isEmpty() || (name == layer->getName())) {
- layer->clearFrameStats();
- }
- });
-
- mAnimFrameTracker.clearStats();
-}
-
-// This should only be called from the main thread. Otherwise it would need
-// the lock and should use mCurrentState rather than mDrawingState.
-void SurfaceFlinger::logFrameStats() {
- mDrawingState.traverseInZOrder([&](Layer* layer) {
- layer->logFrameStats();
- });
-
- mAnimFrameTracker.logAndResetStats(String8("<win-anim>"));
-}
-
-void SurfaceFlinger::appendSfConfigString(String8& result) const
-{
- result.append(" [sf");
- result.appendFormat(" HAS_CONTEXT_PRIORITY=%d", useContextPriority);
-
- if (isLayerTripleBufferingDisabled())
- result.append(" DISABLE_TRIPLE_BUFFERING");
-
- result.appendFormat(" PRESENT_TIME_OFFSET=%" PRId64, dispSyncPresentTimeOffset);
- result.appendFormat(" FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
- result.appendFormat(" MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
- result.appendFormat(" RUNNING_WITHOUT_SYNC_FRAMEWORK=%d", !hasSyncFramework);
- result.appendFormat(" NUM_FRAMEBUFFER_SURFACE_BUFFERS=%" PRId64,
- maxFrameBufferAcquiredBuffers);
- result.append("]");
-}
-
-void SurfaceFlinger::dumpStaticScreenStats(String8& result) const
-{
- result.appendFormat("Static screen stats:\n");
- for (size_t b = 0; b < NUM_BUCKETS - 1; ++b) {
- float bucketTimeSec = mFrameBuckets[b] / 1e9;
- float percent = 100.0f *
- static_cast<float>(mFrameBuckets[b]) / mTotalTime;
- result.appendFormat(" < %zd frames: %.3f s (%.1f%%)\n",
- b + 1, bucketTimeSec, percent);
- }
- float bucketTimeSec = mFrameBuckets[NUM_BUCKETS - 1] / 1e9;
- float percent = 100.0f *
- static_cast<float>(mFrameBuckets[NUM_BUCKETS - 1]) / mTotalTime;
- result.appendFormat(" %zd+ frames: %.3f s (%.1f%%)\n",
- NUM_BUCKETS - 1, bucketTimeSec, percent);
-}
-
-void SurfaceFlinger::dumpFrameEventsLocked(String8& result) {
- result.appendFormat("Layer frame timestamps:\n");
-
- const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
- const size_t count = currentLayers.size();
- for (size_t i=0 ; i<count ; i++) {
- currentLayers[i]->dumpFrameEvents(result);
- }
-}
-
-void SurfaceFlinger::recordBufferingStats(const char* layerName,
- std::vector<OccupancyTracker::Segment>&& history) {
- Mutex::Autolock lock(mBufferingStatsMutex);
- auto& stats = mBufferingStats[layerName];
- for (const auto& segment : history) {
- if (!segment.usedThirdBuffer) {
- stats.twoBufferTime += segment.totalTime;
- }
- if (segment.occupancyAverage < 1.0f) {
- stats.doubleBufferedTime += segment.totalTime;
- } else if (segment.occupancyAverage < 2.0f) {
- stats.tripleBufferedTime += segment.totalTime;
- }
- ++stats.numSegments;
- stats.totalTime += segment.totalTime;
- }
-}
-
-void SurfaceFlinger::dumpBufferingStats(String8& result) const {
- result.append("Buffering stats:\n");
- result.append(" [Layer name] <Active time> <Two buffer> "
- "<Double buffered> <Triple buffered>\n");
- Mutex::Autolock lock(mBufferingStatsMutex);
- typedef std::tuple<std::string, float, float, float> BufferTuple;
- std::map<float, BufferTuple, std::greater<float>> sorted;
- for (const auto& statsPair : mBufferingStats) {
- const char* name = statsPair.first.c_str();
- const BufferingStats& stats = statsPair.second;
- if (stats.numSegments == 0) {
- continue;
- }
- float activeTime = ns2ms(stats.totalTime) / 1000.0f;
- float twoBufferRatio = static_cast<float>(stats.twoBufferTime) /
- stats.totalTime;
- float doubleBufferRatio = static_cast<float>(
- stats.doubleBufferedTime) / stats.totalTime;
- float tripleBufferRatio = static_cast<float>(
- stats.tripleBufferedTime) / stats.totalTime;
- sorted.insert({activeTime, {name, twoBufferRatio,
- doubleBufferRatio, tripleBufferRatio}});
- }
- for (const auto& sortedPair : sorted) {
- float activeTime = sortedPair.first;
- const BufferTuple& values = sortedPair.second;
- result.appendFormat(" [%s] %.2f %.3f %.3f %.3f\n",
- std::get<0>(values).c_str(), activeTime,
- std::get<1>(values), std::get<2>(values),
- std::get<3>(values));
- }
- result.append("\n");
-}
-
-LayersProto SurfaceFlinger::dumpProtoInfo() const {
- LayersProto layersProto;
- mCurrentState.traverseInZOrder([&](Layer* layer) {
- LayerProto* layerProto = layersProto.add_layers();
- layer->writeToProto(layerProto, LayerVector::StateSet::Current);
- });
-
- return layersProto;
-}
-
-void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
- String8& result) const
-{
- bool colorize = false;
- if (index < args.size()
- && (args[index] == String16("--color"))) {
- colorize = true;
- index++;
- }
-
- Colorizer colorizer(colorize);
-
- // figure out if we're stuck somewhere
- const nsecs_t now = systemTime();
- const nsecs_t inSwapBuffers(mDebugInSwapBuffers);
- const nsecs_t inTransaction(mDebugInTransaction);
- nsecs_t inSwapBuffersDuration = (inSwapBuffers) ? now-inSwapBuffers : 0;
- nsecs_t inTransactionDuration = (inTransaction) ? now-inTransaction : 0;
-
- /*
- * Dump library configuration.
- */
-
- colorizer.bold(result);
- result.append("Build configuration:");
- colorizer.reset(result);
- appendSfConfigString(result);
- appendUiConfigString(result);
- appendGuiConfigString(result);
- result.append("\n");
-
- colorizer.bold(result);
- result.append("Sync configuration: ");
- colorizer.reset(result);
- result.append(SyncFeatures::getInstance().toString());
- result.append("\n");
-
- colorizer.bold(result);
- result.append("DispSync configuration: ");
- colorizer.reset(result);
- result.appendFormat("app phase %" PRId64 " ns, sf phase %" PRId64 " ns, "
- "present offset %" PRId64 " ns (refresh %" PRId64 " ns)",
- vsyncPhaseOffsetNs, sfVsyncPhaseOffsetNs, dispSyncPresentTimeOffset,
- mHwc->getRefreshPeriod(HWC_DISPLAY_PRIMARY));
- result.append("\n");
-
- // Dump static screen stats
- result.append("\n");
- dumpStaticScreenStats(result);
- result.append("\n");
-
- dumpBufferingStats(result);
-
- /*
- * Dump the visible layer list
- */
- colorizer.bold(result);
- result.appendFormat("Visible layers (count = %zu)\n", mNumLayers);
- colorizer.reset(result);
-
- LayersProto layersProto = dumpProtoInfo();
- auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
- result.append(LayerProtoParser::layersToString(layerTree).c_str());
-
- /*
- * Dump Display state
- */
-
- colorizer.bold(result);
- result.appendFormat("Displays (%zu entries)\n", mDisplays.size());
- colorizer.reset(result);
- for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
- const sp<const DisplayDevice>& hw(mDisplays[dpy]);
- hw->dump(result);
- }
-
- /*
- * Dump SurfaceFlinger global state
- */
-
- colorizer.bold(result);
- result.append("SurfaceFlinger global state:\n");
- colorizer.reset(result);
-
- HWComposer& hwc(getHwComposer());
- sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
-
- colorizer.bold(result);
- result.appendFormat("EGL implementation : %s\n",
- eglQueryStringImplementationANDROID(mEGLDisplay, EGL_VERSION));
- colorizer.reset(result);
- result.appendFormat("%s\n",
- eglQueryStringImplementationANDROID(mEGLDisplay, EGL_EXTENSIONS));
-
- mRenderEngine->dump(result);
-
- hw->undefinedRegion.dump(result, "undefinedRegion");
- result.appendFormat(" orientation=%d, isDisplayOn=%d\n",
- hw->getOrientation(), hw->isDisplayOn());
- result.appendFormat(
- " last eglSwapBuffers() time: %f us\n"
- " last transaction time : %f us\n"
- " transaction-flags : %08x\n"
- " refresh-rate : %f fps\n"
- " x-dpi : %f\n"
- " y-dpi : %f\n"
- " gpu_to_cpu_unsupported : %d\n"
- ,
- mLastSwapBufferTime/1000.0,
- mLastTransactionTime/1000.0,
- mTransactionFlags,
- 1e9 / hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY),
- hwc.getDpiX(HWC_DISPLAY_PRIMARY),
- hwc.getDpiY(HWC_DISPLAY_PRIMARY),
- !mGpuToCpuSupported);
-
- result.appendFormat(" eglSwapBuffers time: %f us\n",
- inSwapBuffersDuration/1000.0);
-
- result.appendFormat(" transaction time: %f us\n",
- inTransactionDuration/1000.0);
-
- /*
- * VSYNC state
- */
- mEventThread->dump(result);
-
- /*
- * Dump HWComposer state
- */
- colorizer.bold(result);
- result.append("h/w composer state:\n");
- colorizer.reset(result);
- result.appendFormat(" h/w composer %s and %s\n",
- hwc.initCheck()==NO_ERROR ? "present" : "not present",
- (mDebugDisableHWC || mDebugRegion || mDaltonize
- || mHasColorMatrix) ? "disabled" : "enabled");
- hwc.dump(result);
-
- /*
- * Dump gralloc state
- */
- const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
- alloc.dump(result);
-}
-
-const Vector< sp<Layer> >&
-SurfaceFlinger::getLayerSortedByZForHwcDisplay(int id) {
- // Note: mStateLock is held here
- wp<IBinder> dpy;
- for (size_t i=0 ; i<mDisplays.size() ; i++) {
- if (mDisplays.valueAt(i)->getHwcDisplayId() == id) {
- dpy = mDisplays.keyAt(i);
- break;
- }
- }
- if (dpy == NULL) {
- ALOGE("getLayerSortedByZForHwcDisplay: invalid hwc display id %d", id);
- // Just use the primary display so we have something to return
- dpy = getBuiltInDisplay(DisplayDevice::DISPLAY_PRIMARY);
- }
- return getDisplayDeviceLocked(dpy)->getVisibleLayersSortedByZ();
-}
-
-bool SurfaceFlinger::startDdmConnection()
-{
- void* libddmconnection_dso =
- dlopen("libsurfaceflinger_ddmconnection.so", RTLD_NOW);
- if (!libddmconnection_dso) {
- return false;
- }
- void (*DdmConnection_start)(const char* name);
- DdmConnection_start =
- (decltype(DdmConnection_start))dlsym(libddmconnection_dso, "DdmConnection_start");
- if (!DdmConnection_start) {
- dlclose(libddmconnection_dso);
- return false;
- }
- (*DdmConnection_start)(getServiceName());
- return true;
-}
-
-status_t SurfaceFlinger::onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
- switch (code) {
- case CREATE_CONNECTION:
- case CREATE_DISPLAY:
- case BOOT_FINISHED:
- case CLEAR_ANIMATION_FRAME_STATS:
- case GET_ANIMATION_FRAME_STATS:
- case SET_POWER_MODE:
- case GET_HDR_CAPABILITIES:
- {
- // codes that require permission check
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- if ((uid != AID_GRAPHICS && uid != AID_SYSTEM) &&
- !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
- ALOGE("Permission Denial: "
- "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
- break;
- }
- /*
- * Calling setTransactionState is safe, because you need to have been
- * granted a reference to Client* and Handle* to do anything with it.
- *
- * Creating a scoped connection is safe, as per discussion in ISurfaceComposer.h
- */
- case SET_TRANSACTION_STATE:
- case CREATE_SCOPED_CONNECTION:
- {
- break;
- }
- case CAPTURE_SCREEN:
- {
- // codes that require permission check
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- if ((uid != AID_GRAPHICS) &&
- !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
- ALOGE("Permission Denial: "
- "can't read framebuffer pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
- break;
- }
- case CAPTURE_LAYERS:
- {
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- if ((uid != AID_GRAPHICS) &&
- !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
- ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
- break;
- }
- }
-
- status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags);
- if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
- CHECK_INTERFACE(ISurfaceComposer, data, reply);
- if (CC_UNLIKELY(!PermissionCache::checkCallingPermission(sHardwareTest))) {
- IPCThreadState* ipc = IPCThreadState::self();
- const int pid = ipc->getCallingPid();
- const int uid = ipc->getCallingUid();
- ALOGE("Permission Denial: "
- "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
- return PERMISSION_DENIED;
- }
- int n;
- switch (code) {
- case 1000: // SHOW_CPU, NOT SUPPORTED ANYMORE
- case 1001: // SHOW_FPS, NOT SUPPORTED ANYMORE
- return NO_ERROR;
- case 1002: // SHOW_UPDATES
- n = data.readInt32();
- mDebugRegion = n ? n : (mDebugRegion ? 0 : 1);
- invalidateHwcGeometry();
- repaintEverything();
- return NO_ERROR;
- case 1004:{ // repaint everything
- repaintEverything();
- return NO_ERROR;
- }
- case 1005:{ // force transaction
- setTransactionFlags(
- eTransactionNeeded|
- eDisplayTransactionNeeded|
- eTraversalNeeded);
- return NO_ERROR;
- }
- case 1006:{ // send empty update
- signalRefresh();
- return NO_ERROR;
- }
- case 1008: // toggle use of hw composer
- n = data.readInt32();
- mDebugDisableHWC = n ? 1 : 0;
- invalidateHwcGeometry();
- repaintEverything();
- return NO_ERROR;
- case 1009: // toggle use of transform hint
- n = data.readInt32();
- mDebugDisableTransformHint = n ? 1 : 0;
- invalidateHwcGeometry();
- repaintEverything();
- return NO_ERROR;
- case 1010: // interrogate.
- reply->writeInt32(0);
- reply->writeInt32(0);
- reply->writeInt32(mDebugRegion);
- reply->writeInt32(0);
- reply->writeInt32(mDebugDisableHWC);
- return NO_ERROR;
- case 1013: {
- Mutex::Autolock _l(mStateLock);
- sp<const DisplayDevice> hw(getDefaultDisplayDevice());
- reply->writeInt32(hw->getPageFlipCount());
- return NO_ERROR;
- }
- case 1014: {
- // daltonize
- n = data.readInt32();
- switch (n % 10) {
- case 1:
- mDaltonizer.setType(ColorBlindnessType::Protanomaly);
- break;
- case 2:
- mDaltonizer.setType(ColorBlindnessType::Deuteranomaly);
- break;
- case 3:
- mDaltonizer.setType(ColorBlindnessType::Tritanomaly);
- break;
- }
- if (n >= 10) {
- mDaltonizer.setMode(ColorBlindnessMode::Correction);
- } else {
- mDaltonizer.setMode(ColorBlindnessMode::Simulation);
- }
- mDaltonize = n > 0;
- invalidateHwcGeometry();
- repaintEverything();
- return NO_ERROR;
- }
- case 1015: {
- // apply a color matrix
- n = data.readInt32();
- mHasColorMatrix = n ? 1 : 0;
- if (n) {
- // color matrix is sent as mat3 matrix followed by vec3
- // offset, then packed into a mat4 where the last row is
- // the offset and extra values are 0
- for (size_t i = 0 ; i < 4; i++) {
- for (size_t j = 0; j < 4; j++) {
- mColorMatrix[i][j] = data.readFloat();
- }
- }
- } else {
- mColorMatrix = mat4();
- }
- invalidateHwcGeometry();
- repaintEverything();
- return NO_ERROR;
- }
- // This is an experimental interface
- // Needs to be shifted to proper binder interface when we productize
- case 1016: {
- n = data.readInt32();
- mPrimaryDispSync.setRefreshSkipCount(n);
- return NO_ERROR;
- }
- case 1017: {
- n = data.readInt32();
- mForceFullDamage = static_cast<bool>(n);
- return NO_ERROR;
- }
- case 1018: { // Modify Choreographer's phase offset
- n = data.readInt32();
- mEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
- return NO_ERROR;
- }
- case 1019: { // Modify SurfaceFlinger's phase offset
- n = data.readInt32();
- mSFEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
- return NO_ERROR;
- }
- case 1020: { // Layer updates interceptor
- n = data.readInt32();
- if (n) {
- ALOGV("Interceptor enabled");
- mInterceptor.enable(mDrawingState.layersSortedByZ, mDrawingState.displays);
- }
- else{
- ALOGV("Interceptor disabled");
- mInterceptor.disable();
- }
- return NO_ERROR;
- }
- case 1021: { // Disable HWC virtual displays
- n = data.readInt32();
- mUseHwcVirtualDisplays = !n;
- return NO_ERROR;
- }
- }
- }
- return err;
-}
-
-void SurfaceFlinger::repaintEverything() {
- android_atomic_or(1, &mRepaintEverything);
- signalTransaction();
-}
-
-// ---------------------------------------------------------------------------
-// Capture screen into an IGraphiBufferProducer
-// ---------------------------------------------------------------------------
-
-/* The code below is here to handle b/8734824
- *
- * We create a IGraphicBufferProducer wrapper that forwards all calls
- * from the surfaceflinger thread to the calling binder thread, where they
- * are executed. This allows the calling thread in the calling process to be
- * reused and not depend on having "enough" binder threads to handle the
- * requests.
- */
-class GraphicProducerWrapper : public BBinder, public MessageHandler {
- /* Parts of GraphicProducerWrapper are run on two different threads,
- * communicating by sending messages via Looper but also by shared member
- * data. Coherence maintenance is subtle and in places implicit (ugh).
- *
- * Don't rely on Looper's sendMessage/handleMessage providing
- * release/acquire semantics for any data not actually in the Message.
- * Data going from surfaceflinger to binder threads needs to be
- * synchronized explicitly.
- *
- * Barrier open/wait do provide release/acquire semantics. This provides
- * implicit synchronization for data coming back from binder to
- * surfaceflinger threads.
- */
-
- sp<IGraphicBufferProducer> impl;
- sp<Looper> looper;
- status_t result;
- bool exitPending;
- bool exitRequested;
- Barrier barrier;
- uint32_t code;
- Parcel const* data;
- Parcel* reply;
-
- enum {
- MSG_API_CALL,
- MSG_EXIT
- };
-
- /*
- * Called on surfaceflinger thread. This is called by our "fake"
- * BpGraphicBufferProducer. We package the data and reply Parcel and
- * forward them to the binder thread.
- */
- virtual status_t transact(uint32_t code,
- const Parcel& data, Parcel* reply, uint32_t /* flags */) {
- this->code = code;
- this->data = &data;
- this->reply = reply;
- if (exitPending) {
- // if we've exited, we run the message synchronously right here.
- // note (JH): as far as I can tell from looking at the code, this
- // never actually happens. if it does, i'm not sure if it happens
- // on the surfaceflinger or binder thread.
- handleMessage(Message(MSG_API_CALL));
- } else {
- barrier.close();
- // Prevent stores to this->{code, data, reply} from being
- // reordered later than the construction of Message.
- atomic_thread_fence(memory_order_release);
- looper->sendMessage(this, Message(MSG_API_CALL));
- barrier.wait();
- }
- return result;
- }
-
- /*
- * here we run on the binder thread. All we've got to do is
- * call the real BpGraphicBufferProducer.
- */
- virtual void handleMessage(const Message& message) {
- int what = message.what;
- // Prevent reads below from happening before the read from Message
- atomic_thread_fence(memory_order_acquire);
- if (what == MSG_API_CALL) {
- result = IInterface::asBinder(impl)->transact(code, data[0], reply);
- barrier.open();
- } else if (what == MSG_EXIT) {
- exitRequested = true;
- }
- }
-
-public:
- explicit GraphicProducerWrapper(const sp<IGraphicBufferProducer>& impl)
- : impl(impl),
- looper(new Looper(true)),
- result(NO_ERROR),
- exitPending(false),
- exitRequested(false),
- code(0),
- data(NULL),
- reply(NULL)
- {}
-
- // Binder thread
- status_t waitForResponse() {
- do {
- looper->pollOnce(-1);
- } while (!exitRequested);
- return result;
- }
-
- // Client thread
- void exit(status_t result) {
- this->result = result;
- exitPending = true;
- // Ensure this->result is visible to the binder thread before it
- // handles the message.
- atomic_thread_fence(memory_order_release);
- looper->sendMessage(this, Message(MSG_EXIT));
- }
-};
-
-status_t SurfaceFlinger::captureScreen(const sp<IBinder>& display,
- const sp<IGraphicBufferProducer>& producer,
- Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
- int32_t minLayerZ, int32_t maxLayerZ,
- bool useIdentityTransform, ISurfaceComposer::Rotation rotation) {
- ATRACE_CALL();
- if (CC_UNLIKELY(display == 0))
- return BAD_VALUE;
-
- const sp<const DisplayDevice> device(getDisplayDeviceLocked(display));
- DisplayRenderArea renderArea(device, sourceCrop, reqHeight, reqWidth, rotation);
-
- auto traverseLayers = std::bind(std::mem_fn(&SurfaceFlinger::traverseLayersInDisplay), this,
- device, minLayerZ, maxLayerZ, std::placeholders::_1);
- return captureScreenCommon(renderArea, traverseLayers, producer, useIdentityTransform);
-}
-
-status_t SurfaceFlinger::captureLayers(const sp<IBinder>& layerHandleBinder,
- const sp<IGraphicBufferProducer>& producer,
- ISurfaceComposer::Rotation rotation) {
- ATRACE_CALL();
- class LayerRenderArea : public RenderArea {
- public:
- LayerRenderArea(const sp<Layer>& layer, ISurfaceComposer::Rotation rotation)
- : RenderArea(layer->getCurrentState().active.h, layer->getCurrentState().active.w,
- rotation),
- mLayer(layer) {}
- const Transform& getTransform() const override {
- // Make the top level transform the inverse the transform and it's parent so it sets
- // the whole capture back to 0,0
- return *new Transform(mLayer->getTransform().inverse());
- }
- Rect getBounds() const override {
- const Layer::State& layerState(mLayer->getDrawingState());
- return Rect(layerState.active.w, layerState.active.h);
- }
- int getHeight() const override { return mLayer->getDrawingState().active.h; }
- int getWidth() const override { return mLayer->getDrawingState().active.w; }
- bool isSecure() const override { return false; }
- bool needsFiltering() const override { return false; }
-
- Rect getSourceCrop() const override { return getBounds(); }
-
- private:
- const sp<Layer>& mLayer;
- };
-
- auto layerHandle = reinterpret_cast<Layer::Handle*>(layerHandleBinder.get());
- auto parent = layerHandle->owner.promote();
-
- LayerRenderArea renderArea(parent, rotation);
- auto traverseLayers = [parent](const LayerVector::Visitor& visitor) {
- parent->traverseChildrenInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
- if (!layer->isVisible()) {
- return;
- }
- visitor(layer);
- });
- };
- return captureScreenCommon(renderArea, traverseLayers, producer, false);
-}
-
-status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
- TraverseLayersFunction traverseLayers,
- const sp<IGraphicBufferProducer>& producer,
- bool useIdentityTransform) {
- if (CC_UNLIKELY(producer == 0))
- return BAD_VALUE;
-
- // if we have secure windows on this display, never allow the screen capture
- // unless the producer interface is local (i.e.: we can take a screenshot for
- // ourselves).
- bool isLocalScreenshot = IInterface::asBinder(producer)->localBinder();
-
- class MessageCaptureScreen : public MessageBase {
- SurfaceFlinger* flinger;
- const RenderArea* renderArea;
- TraverseLayersFunction traverseLayers;
- sp<IGraphicBufferProducer> producer;
- bool useIdentityTransform;
- status_t result;
- bool isLocalScreenshot;
- public:
- MessageCaptureScreen(SurfaceFlinger* flinger, const RenderArea* renderArea,
- TraverseLayersFunction traverseLayers,
- const sp<IGraphicBufferProducer>& producer, bool useIdentityTransform,
- bool isLocalScreenshot)
- : flinger(flinger),
- renderArea(renderArea),
- traverseLayers(traverseLayers),
- producer(producer),
- useIdentityTransform(useIdentityTransform),
- result(PERMISSION_DENIED),
- isLocalScreenshot(isLocalScreenshot) {}
- status_t getResult() const {
- return result;
- }
- virtual bool handler() {
- Mutex::Autolock _l(flinger->mStateLock);
- result = flinger->captureScreenImplLocked(*renderArea, traverseLayers, producer,
- useIdentityTransform, isLocalScreenshot);
- static_cast<GraphicProducerWrapper*>(IInterface::asBinder(producer).get())->exit(result);
- return true;
- }
- };
-
- // this creates a "fake" BBinder which will serve as a "fake" remote
- // binder to receive the marshaled calls and forward them to the
- // real remote (a BpGraphicBufferProducer)
- sp<GraphicProducerWrapper> wrapper = new GraphicProducerWrapper(producer);
-
- // the asInterface() call below creates our "fake" BpGraphicBufferProducer
- // which does the marshaling work forwards to our "fake remote" above.
- sp<MessageBase> msg = new MessageCaptureScreen(this,
- &renderArea, traverseLayers, IGraphicBufferProducer::asInterface( wrapper ),
- useIdentityTransform, isLocalScreenshot);
-
- status_t res = postMessageAsync(msg);
- if (res == NO_ERROR) {
- res = wrapper->waitForResponse();
- }
- return res;
-}
-
-void SurfaceFlinger::renderScreenImplLocked(const RenderArea& renderArea, TraverseLayersFunction traverseLayers,
- bool yswap, bool useIdentityTransform)
-{
- ATRACE_CALL();
- RenderEngine& engine(getRenderEngine());
-
- // get screen geometry
- const auto raWidth = renderArea.getWidth();
- const auto raHeight = renderArea.getHeight();
-
- const auto reqWidth = renderArea.getReqWidth();
- const auto reqHeight = renderArea.getReqHeight();
- Rect sourceCrop = renderArea.getSourceCrop();
-
- const bool filtering = static_cast<int32_t>(reqWidth) != raWidth ||
- static_cast<int32_t>(reqHeight) != raHeight;
-
- // if a default or invalid sourceCrop is passed in, set reasonable values
- if (sourceCrop.width() == 0 || sourceCrop.height() == 0 ||
- !sourceCrop.isValid()) {
- sourceCrop.setLeftTop(Point(0, 0));
- sourceCrop.setRightBottom(Point(raWidth, raHeight));
- }
-
- // ensure that sourceCrop is inside screen
- if (sourceCrop.left < 0) {
- ALOGE("Invalid crop rect: l = %d (< 0)", sourceCrop.left);
- }
- if (sourceCrop.right > raWidth) {
- ALOGE("Invalid crop rect: r = %d (> %d)", sourceCrop.right, raWidth);
- }
- if (sourceCrop.top < 0) {
- ALOGE("Invalid crop rect: t = %d (< 0)", sourceCrop.top);
- }
- if (sourceCrop.bottom > raHeight) {
- ALOGE("Invalid crop rect: b = %d (> %d)", sourceCrop.bottom, raHeight);
- }
-
- // make sure to clear all GL error flags
- engine.checkErrors();
-
- // set-up our viewport
- engine.setViewportAndProjection(
- reqWidth, reqHeight, sourceCrop, raHeight, yswap, renderArea.getRotationFlags());
- engine.disableTexturing();
-
- // redraw the screen entirely...
- engine.clearWithColor(0, 0, 0, 1);
-
- traverseLayers([&](Layer* layer) {
- if (filtering) layer->setFiltering(true);
- layer->draw(renderArea, useIdentityTransform);
- if (filtering) layer->setFiltering(false);
- });
-
- // compositionComplete is needed for older driver
-// hw->compositionComplete();
-// hw->setViewportAndProjection();
-}
-
-status_t SurfaceFlinger::captureScreenImplLocked(const RenderArea& renderArea,
- TraverseLayersFunction traverseLayers,
- const sp<IGraphicBufferProducer>& producer,
- bool useIdentityTransform,
- bool isLocalScreenshot) {
- ATRACE_CALL();
-
- bool secureLayerIsVisible = false;
- traverseLayers([&](Layer *layer) {
- secureLayerIsVisible = secureLayerIsVisible || (layer->isVisible() &&
- layer->isSecure());
- });
-
- if (!isLocalScreenshot && secureLayerIsVisible) {
- ALOGW("FB is protected: PERMISSION_DENIED");
- return PERMISSION_DENIED;
- }
-
- // create a surface (because we're a producer, and we need to
- // dequeue/queue a buffer)
- sp<Surface> sur = new Surface(producer, false);
- ANativeWindow* window = sur.get();
-
- status_t result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
- if (result == NO_ERROR) {
- uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
- GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
-
- int err = 0;
- err = native_window_set_buffers_dimensions(window, renderArea.getReqWidth(),
- renderArea.getReqHeight());
- err |= native_window_set_scaling_mode(window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
- err |= native_window_set_buffers_format(window, HAL_PIXEL_FORMAT_RGBA_8888);
- err |= native_window_set_usage(window, usage);
-
- if (err == NO_ERROR) {
- ANativeWindowBuffer* buffer;
- /* TODO: Once we have the sync framework everywhere this can use
- * server-side waits on the fence that dequeueBuffer returns.
- */
- result = native_window_dequeue_buffer_and_wait(window, &buffer);
- if (result == NO_ERROR) {
- int syncFd = -1;
- // create an EGLImage from the buffer so we can later
- // turn it into a texture
- EGLImageKHR image = eglCreateImageKHR(mEGLDisplay, EGL_NO_CONTEXT,
- EGL_NATIVE_BUFFER_ANDROID, buffer, NULL);
- if (image != EGL_NO_IMAGE_KHR) {
- // this binds the given EGLImage as a framebuffer for the
- // duration of this scope.
- RenderEngine::BindImageAsFramebuffer imageBond(getRenderEngine(), image);
- if (imageBond.getStatus() == NO_ERROR) {
- // this will in fact render into our dequeued buffer
- // via an FBO, which means we didn't have to create
- // an EGLSurface and therefore we're not
- // dependent on the context's EGLConfig.
- renderScreenImplLocked(renderArea, traverseLayers, true, useIdentityTransform);
-
- // Attempt to create a sync khr object that can produce a sync point. If that
- // isn't available, create a non-dupable sync object in the fallback path and
- // wait on it directly.
- EGLSyncKHR sync;
- if (!DEBUG_SCREENSHOTS) {
- sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, NULL);
- // native fence fd will not be populated until flush() is done.
- getRenderEngine().flush();
- } else {
- sync = EGL_NO_SYNC_KHR;
- }
- if (sync != EGL_NO_SYNC_KHR) {
- // get the sync fd
- syncFd = eglDupNativeFenceFDANDROID(mEGLDisplay, sync);
- if (syncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
- ALOGW("captureScreen: failed to dup sync khr object");
- syncFd = -1;
- }
- eglDestroySyncKHR(mEGLDisplay, sync);
- } else {
- // fallback path
- sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_FENCE_KHR, NULL);
- if (sync != EGL_NO_SYNC_KHR) {
- EGLint result = eglClientWaitSyncKHR(mEGLDisplay, sync,
- EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, 2000000000 /*2 sec*/);
- EGLint eglErr = eglGetError();
- if (result == EGL_TIMEOUT_EXPIRED_KHR) {
- ALOGW("captureScreen: fence wait timed out");
- } else {
- ALOGW_IF(eglErr != EGL_SUCCESS,
- "captureScreen: error waiting on EGL fence: %#x", eglErr);
- }
- eglDestroySyncKHR(mEGLDisplay, sync);
- } else {
- ALOGW("captureScreen: error creating EGL fence: %#x", eglGetError());
- }
- }
- if (DEBUG_SCREENSHOTS) {
- uint32_t* pixels = new uint32_t[renderArea.getReqWidth() *
- renderArea.getReqHeight()];
- getRenderEngine().readPixels(0, 0, renderArea.getReqWidth(),
- renderArea.getReqHeight(), pixels);
- checkScreenshot(renderArea.getReqWidth(), renderArea.getReqHeight(),
- renderArea.getReqWidth(), pixels, traverseLayers);
- delete [] pixels;
- }
-
- } else {
- ALOGE("got GL_FRAMEBUFFER_COMPLETE_OES error while taking screenshot");
- result = INVALID_OPERATION;
- window->cancelBuffer(window, buffer, syncFd);
- buffer = NULL;
- }
- // destroy our image
- eglDestroyImageKHR(mEGLDisplay, image);
- } else {
- result = BAD_VALUE;
- }
- if (buffer) {
- // queueBuffer takes ownership of syncFd
- result = window->queueBuffer(window, buffer, syncFd);
- }
- }
- } else {
- result = BAD_VALUE;
- }
- native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
- }
-
- return result;
-}
-
-void SurfaceFlinger::checkScreenshot(size_t w, size_t s, size_t h, void const* vaddr,
- TraverseLayersFunction traverseLayers) {
- if (DEBUG_SCREENSHOTS) {
- for (size_t y=0 ; y<h ; y++) {
- uint32_t const * p = (uint32_t const *)vaddr + y*s;
- for (size_t x=0 ; x<w ; x++) {
- if (p[x] != 0xFF000000) return;
- }
- }
- ALOGE("*** we just took a black screenshot ***");
-
- size_t i = 0;
- traverseLayers([&](Layer* layer) {
- const Layer::State& state(layer->getDrawingState());
- ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%.3f",
- layer->isVisible() ? '+' : '-',
- i, layer->getName().string(), layer->getLayerStack(), state.z,
- layer->isVisible(), state.flags, static_cast<float>(state.color.a));
- i++;
- });
- }
-}
-
-// ---------------------------------------------------------------------------
-
-void SurfaceFlinger::State::traverseInZOrder(const LayerVector::Visitor& visitor) const {
- layersSortedByZ.traverseInZOrder(stateSet, visitor);
-}
-
-void SurfaceFlinger::State::traverseInReverseZOrder(const LayerVector::Visitor& visitor) const {
- layersSortedByZ.traverseInReverseZOrder(stateSet, visitor);
-}
-
-void SurfaceFlinger::traverseLayersInDisplay(const sp<const DisplayDevice>& hw,
- int32_t minLayerZ, int32_t maxLayerZ, const LayerVector::Visitor& visitor) {
-
- // We loop through the first level of layers without traversing,
- // as we need to interpret min/max layer Z in the top level Z space.
- for (const auto& layer : mDrawingState.layersSortedByZ) {
- if (!layer->belongsToDisplay(hw->getLayerStack(), false)) {
- continue;
- }
- const Layer::State& state(layer->getDrawingState());
- if (state.z < minLayerZ || state.z > maxLayerZ) {
- continue;
- }
- layer->traverseInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
- if (!layer->isVisible()) {
- return;
- }
- visitor(layer);
- });
- }
-}
-
-}; // namespace android
-
-
-#if defined(__gl_h_)
-#error "don't include gl/gl.h in this file"
-#endif
-
-#if defined(__gl2_h_)
-#error "don't include gl2/gl2.h in this file"
-#endif