|  | /* | 
|  | * 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 LOG_NDEBUG 0 | 
|  | #undef LOG_TAG | 
|  | #define LOG_TAG "DisplayDevice" | 
|  |  | 
|  | #include <stdlib.h> | 
|  | #include <stdio.h> | 
|  | #include <string.h> | 
|  | #include <math.h> | 
|  |  | 
|  | #include <cutils/properties.h> | 
|  |  | 
|  | #include <utils/RefBase.h> | 
|  | #include <utils/Log.h> | 
|  |  | 
|  | #include <ui/DebugUtils.h> | 
|  | #include <ui/DisplayInfo.h> | 
|  | #include <ui/PixelFormat.h> | 
|  |  | 
|  | #include <gui/Surface.h> | 
|  |  | 
|  | #include <hardware/gralloc.h> | 
|  |  | 
|  | #include "DisplayHardware/DisplaySurface.h" | 
|  | #include "DisplayHardware/HWComposer.h" | 
|  | #ifdef USE_HWC2 | 
|  | #include "DisplayHardware/HWC2.h" | 
|  | #endif | 
|  | #include "RenderEngine/RenderEngine.h" | 
|  |  | 
|  | #include "clz.h" | 
|  | #include "DisplayDevice.h" | 
|  | #include "SurfaceFlinger.h" | 
|  | #include "Layer.h" | 
|  |  | 
|  | #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h> | 
|  | #include <configstore/Utils.h> | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | using namespace android; | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | #ifdef EGL_ANDROID_swap_rectangle | 
|  | static constexpr bool kEGLAndroidSwapRectangle = true; | 
|  | #else | 
|  | static constexpr bool kEGLAndroidSwapRectangle = false; | 
|  | #endif | 
|  |  | 
|  | // retrieve triple buffer setting from configstore | 
|  | using namespace android::hardware::configstore; | 
|  | using namespace android::hardware::configstore::V1_0; | 
|  |  | 
|  | static bool useTripleFramebuffer = getInt64< ISurfaceFlingerConfigs, | 
|  | &ISurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers>(2) >= 3; | 
|  |  | 
|  | #if !defined(EGL_EGLEXT_PROTOTYPES) || !defined(EGL_ANDROID_swap_rectangle) | 
|  | // Dummy implementation in case it is missing. | 
|  | inline void eglSetSwapRectangleANDROID (EGLDisplay, EGLSurface, EGLint, EGLint, EGLint, EGLint) { | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * Initialize the display to the specified values. | 
|  | * | 
|  | */ | 
|  |  | 
|  | uint32_t DisplayDevice::sPrimaryDisplayOrientation = 0; | 
|  |  | 
|  | // clang-format off | 
|  | DisplayDevice::DisplayDevice( | 
|  | const sp<SurfaceFlinger>& flinger, | 
|  | DisplayType type, | 
|  | int32_t hwcId, | 
|  | #ifndef USE_HWC2 | 
|  | int format, | 
|  | #endif | 
|  | bool isSecure, | 
|  | const wp<IBinder>& displayToken, | 
|  | const sp<DisplaySurface>& displaySurface, | 
|  | const sp<IGraphicBufferProducer>& producer, | 
|  | EGLConfig config, | 
|  | bool supportWideColor) | 
|  | : lastCompositionHadVisibleLayers(false), | 
|  | mFlinger(flinger), | 
|  | mType(type), | 
|  | mHwcDisplayId(hwcId), | 
|  | mDisplayToken(displayToken), | 
|  | mDisplaySurface(displaySurface), | 
|  | mDisplay(EGL_NO_DISPLAY), | 
|  | mSurface(EGL_NO_SURFACE), | 
|  | mDisplayWidth(), | 
|  | mDisplayHeight(), | 
|  | #ifndef USE_HWC2 | 
|  | mFormat(), | 
|  | #endif | 
|  | mFlags(), | 
|  | mPageFlipCount(), | 
|  | mIsSecure(isSecure), | 
|  | mLayerStack(NO_LAYER_STACK), | 
|  | mOrientation(), | 
|  | mPowerMode(HWC_POWER_MODE_OFF), | 
|  | mActiveConfig(0) | 
|  | { | 
|  | // clang-format on | 
|  | Surface* surface; | 
|  | mNativeWindow = surface = new Surface(producer, false); | 
|  | ANativeWindow* const window = mNativeWindow.get(); | 
|  |  | 
|  | #ifdef USE_HWC2 | 
|  | mActiveColorMode = HAL_COLOR_MODE_NATIVE; | 
|  | mDisplayHasWideColor = supportWideColor; | 
|  | #else | 
|  | (void) supportWideColor; | 
|  | #endif | 
|  | /* | 
|  | * Create our display's surface | 
|  | */ | 
|  |  | 
|  | EGLSurface eglSurface; | 
|  | EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); | 
|  | if (config == EGL_NO_CONFIG) { | 
|  | #ifdef USE_HWC2 | 
|  | config = RenderEngine::chooseEglConfig(display, PIXEL_FORMAT_RGBA_8888, | 
|  | /*logConfig*/ false); | 
|  | #else | 
|  | config = RenderEngine::chooseEglConfig(display, format, | 
|  | /*logConfig*/ false); | 
|  | #endif | 
|  | } | 
|  | eglSurface = eglCreateWindowSurface(display, config, window, NULL); | 
|  | eglQuerySurface(display, eglSurface, EGL_WIDTH,  &mDisplayWidth); | 
|  | eglQuerySurface(display, eglSurface, EGL_HEIGHT, &mDisplayHeight); | 
|  |  | 
|  | // Make sure that composition can never be stalled by a virtual display | 
|  | // consumer that isn't processing buffers fast enough. We have to do this | 
|  | // in two places: | 
|  | // * Here, in case the display is composed entirely by HWC. | 
|  | // * In makeCurrent(), using eglSwapInterval. Some EGL drivers set the | 
|  | //   window's swap interval in eglMakeCurrent, so they'll override the | 
|  | //   interval we set here. | 
|  | if (mType >= DisplayDevice::DISPLAY_VIRTUAL) | 
|  | window->setSwapInterval(window, 0); | 
|  |  | 
|  | mConfig = config; | 
|  | mDisplay = display; | 
|  | mSurface = eglSurface; | 
|  | #ifndef USE_HWC2 | 
|  | mFormat = format; | 
|  | #endif | 
|  | mPageFlipCount = 0; | 
|  | mViewport.makeInvalid(); | 
|  | mFrame.makeInvalid(); | 
|  |  | 
|  | // virtual displays are always considered enabled | 
|  | mPowerMode = (mType >= DisplayDevice::DISPLAY_VIRTUAL) ? | 
|  | HWC_POWER_MODE_NORMAL : HWC_POWER_MODE_OFF; | 
|  |  | 
|  | // Name the display.  The name will be replaced shortly if the display | 
|  | // was created with createDisplay(). | 
|  | switch (mType) { | 
|  | case DISPLAY_PRIMARY: | 
|  | mDisplayName = "Built-in Screen"; | 
|  | break; | 
|  | case DISPLAY_EXTERNAL: | 
|  | mDisplayName = "HDMI Screen"; | 
|  | break; | 
|  | default: | 
|  | mDisplayName = "Virtual Screen";    // e.g. Overlay #n | 
|  | break; | 
|  | } | 
|  |  | 
|  | // initialize the display orientation transform. | 
|  | setProjection(DisplayState::eOrientationDefault, mViewport, mFrame); | 
|  |  | 
|  | if (useTripleFramebuffer) { | 
|  | surface->allocateBuffers(); | 
|  | } | 
|  | } | 
|  |  | 
|  | DisplayDevice::~DisplayDevice() { | 
|  | if (mSurface != EGL_NO_SURFACE) { | 
|  | eglDestroySurface(mDisplay, mSurface); | 
|  | mSurface = EGL_NO_SURFACE; | 
|  | } | 
|  | } | 
|  |  | 
|  | void DisplayDevice::disconnect(HWComposer& hwc) { | 
|  | if (mHwcDisplayId >= 0) { | 
|  | hwc.disconnectDisplay(mHwcDisplayId); | 
|  | #ifndef USE_HWC2 | 
|  | if (mHwcDisplayId >= DISPLAY_VIRTUAL) | 
|  | hwc.freeDisplayId(mHwcDisplayId); | 
|  | #endif | 
|  | mHwcDisplayId = -1; | 
|  | } | 
|  | } | 
|  |  | 
|  | bool DisplayDevice::isValid() const { | 
|  | return mFlinger != NULL; | 
|  | } | 
|  |  | 
|  | int DisplayDevice::getWidth() const { | 
|  | return mDisplayWidth; | 
|  | } | 
|  |  | 
|  | int DisplayDevice::getHeight() const { | 
|  | return mDisplayHeight; | 
|  | } | 
|  |  | 
|  | #ifndef USE_HWC2 | 
|  | PixelFormat DisplayDevice::getFormat() const { | 
|  | return mFormat; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | EGLSurface DisplayDevice::getEGLSurface() const { | 
|  | return mSurface; | 
|  | } | 
|  |  | 
|  | void DisplayDevice::setDisplayName(const String8& displayName) { | 
|  | if (!displayName.isEmpty()) { | 
|  | // never override the name with an empty name | 
|  | mDisplayName = displayName; | 
|  | } | 
|  | } | 
|  |  | 
|  | uint32_t DisplayDevice::getPageFlipCount() const { | 
|  | return mPageFlipCount; | 
|  | } | 
|  |  | 
|  | #ifndef USE_HWC2 | 
|  | status_t DisplayDevice::compositionComplete() const { | 
|  | return mDisplaySurface->compositionComplete(); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void DisplayDevice::flip(const Region& dirty) const | 
|  | { | 
|  | mFlinger->getRenderEngine().checkErrors(); | 
|  |  | 
|  | if (kEGLAndroidSwapRectangle) { | 
|  | if (mFlags & SWAP_RECTANGLE) { | 
|  | const Region newDirty(dirty.intersect(bounds())); | 
|  | const Rect b(newDirty.getBounds()); | 
|  | eglSetSwapRectangleANDROID(mDisplay, mSurface, | 
|  | b.left, b.top, b.width(), b.height()); | 
|  | } | 
|  | } | 
|  |  | 
|  | mPageFlipCount++; | 
|  | } | 
|  |  | 
|  | status_t DisplayDevice::beginFrame(bool mustRecompose) const { | 
|  | return mDisplaySurface->beginFrame(mustRecompose); | 
|  | } | 
|  |  | 
|  | #ifdef USE_HWC2 | 
|  | status_t DisplayDevice::prepareFrame(HWComposer& hwc) { | 
|  | status_t error = hwc.prepare(*this); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | DisplaySurface::CompositionType compositionType; | 
|  | bool hasClient = hwc.hasClientComposition(mHwcDisplayId); | 
|  | bool hasDevice = hwc.hasDeviceComposition(mHwcDisplayId); | 
|  | if (hasClient && hasDevice) { | 
|  | compositionType = DisplaySurface::COMPOSITION_MIXED; | 
|  | } else if (hasClient) { | 
|  | compositionType = DisplaySurface::COMPOSITION_GLES; | 
|  | } else if (hasDevice) { | 
|  | compositionType = DisplaySurface::COMPOSITION_HWC; | 
|  | } else { | 
|  | // Nothing to do -- when turning the screen off we get a frame like | 
|  | // this. Call it a HWC frame since we won't be doing any GLES work but | 
|  | // will do a prepare/set cycle. | 
|  | compositionType = DisplaySurface::COMPOSITION_HWC; | 
|  | } | 
|  | return mDisplaySurface->prepareFrame(compositionType); | 
|  | } | 
|  | #else | 
|  | status_t DisplayDevice::prepareFrame(const HWComposer& hwc) const { | 
|  | DisplaySurface::CompositionType compositionType; | 
|  | bool haveGles = hwc.hasGlesComposition(mHwcDisplayId); | 
|  | bool haveHwc = hwc.hasHwcComposition(mHwcDisplayId); | 
|  | if (haveGles && haveHwc) { | 
|  | compositionType = DisplaySurface::COMPOSITION_MIXED; | 
|  | } else if (haveGles) { | 
|  | compositionType = DisplaySurface::COMPOSITION_GLES; | 
|  | } else if (haveHwc) { | 
|  | compositionType = DisplaySurface::COMPOSITION_HWC; | 
|  | } else { | 
|  | // Nothing to do -- when turning the screen off we get a frame like | 
|  | // this. Call it a HWC frame since we won't be doing any GLES work but | 
|  | // will do a prepare/set cycle. | 
|  | compositionType = DisplaySurface::COMPOSITION_HWC; | 
|  | } | 
|  | return mDisplaySurface->prepareFrame(compositionType); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | void DisplayDevice::swapBuffers(HWComposer& hwc) const { | 
|  | #ifdef USE_HWC2 | 
|  | if (hwc.hasClientComposition(mHwcDisplayId)) { | 
|  | #else | 
|  | // We need to call eglSwapBuffers() if: | 
|  | //  (1) we don't have a hardware composer, or | 
|  | //  (2) we did GLES composition this frame, and either | 
|  | //    (a) we have framebuffer target support (not present on legacy | 
|  | //        devices, where HWComposer::commit() handles things); or | 
|  | //    (b) this is a virtual display | 
|  | if (hwc.initCheck() != NO_ERROR || | 
|  | (hwc.hasGlesComposition(mHwcDisplayId) && | 
|  | (hwc.supportsFramebufferTarget() || mType >= DISPLAY_VIRTUAL))) { | 
|  | #endif | 
|  | EGLBoolean success = eglSwapBuffers(mDisplay, mSurface); | 
|  | if (!success) { | 
|  | EGLint error = eglGetError(); | 
|  | if (error == EGL_CONTEXT_LOST || | 
|  | mType == DisplayDevice::DISPLAY_PRIMARY) { | 
|  | LOG_ALWAYS_FATAL("eglSwapBuffers(%p, %p) failed with 0x%08x", | 
|  | mDisplay, mSurface, error); | 
|  | } else { | 
|  | ALOGE("eglSwapBuffers(%p, %p) failed with 0x%08x", | 
|  | mDisplay, mSurface, error); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | status_t result = mDisplaySurface->advanceFrame(); | 
|  | if (result != NO_ERROR) { | 
|  | ALOGE("[%s] failed pushing new frame to HWC: %d", | 
|  | mDisplayName.string(), result); | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef USE_HWC2 | 
|  | void DisplayDevice::onSwapBuffersCompleted() const { | 
|  | mDisplaySurface->onFrameCommitted(); | 
|  | } | 
|  | #else | 
|  | void DisplayDevice::onSwapBuffersCompleted(HWComposer& hwc) const { | 
|  | if (hwc.initCheck() == NO_ERROR) { | 
|  | mDisplaySurface->onFrameCommitted(); | 
|  | } | 
|  | } | 
|  | #endif | 
|  |  | 
|  | uint32_t DisplayDevice::getFlags() const | 
|  | { | 
|  | return mFlags; | 
|  | } | 
|  |  | 
|  | EGLBoolean DisplayDevice::makeCurrent(EGLDisplay dpy, EGLContext ctx) const { | 
|  | EGLBoolean result = EGL_TRUE; | 
|  | EGLSurface sur = eglGetCurrentSurface(EGL_DRAW); | 
|  | if (sur != mSurface) { | 
|  | result = eglMakeCurrent(dpy, mSurface, mSurface, ctx); | 
|  | if (result == EGL_TRUE) { | 
|  | if (mType >= DisplayDevice::DISPLAY_VIRTUAL) | 
|  | eglSwapInterval(dpy, 0); | 
|  | } | 
|  | } | 
|  | setViewportAndProjection(); | 
|  | return result; | 
|  | } | 
|  |  | 
|  | void DisplayDevice::setViewportAndProjection() const { | 
|  | size_t w = mDisplayWidth; | 
|  | size_t h = mDisplayHeight; | 
|  | Rect sourceCrop(0, 0, w, h); | 
|  | mFlinger->getRenderEngine().setViewportAndProjection(w, h, sourceCrop, h, | 
|  | false, Transform::ROT_0); | 
|  | } | 
|  |  | 
|  | const sp<Fence>& DisplayDevice::getClientTargetAcquireFence() const { | 
|  | return mDisplaySurface->getClientTargetAcquireFence(); | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | void DisplayDevice::setVisibleLayersSortedByZ(const Vector< sp<Layer> >& layers) { | 
|  | mVisibleLayersSortedByZ = layers; | 
|  | } | 
|  |  | 
|  | const Vector< sp<Layer> >& DisplayDevice::getVisibleLayersSortedByZ() const { | 
|  | return mVisibleLayersSortedByZ; | 
|  | } | 
|  |  | 
|  | Region DisplayDevice::getDirtyRegion(bool repaintEverything) const { | 
|  | Region dirty; | 
|  | if (repaintEverything) { | 
|  | dirty.set(getBounds()); | 
|  | } else { | 
|  | const Transform& planeTransform(mGlobalTransform); | 
|  | dirty = planeTransform.transform(this->dirtyRegion); | 
|  | dirty.andSelf(getBounds()); | 
|  | } | 
|  | return dirty; | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | void DisplayDevice::setPowerMode(int mode) { | 
|  | mPowerMode = mode; | 
|  | } | 
|  |  | 
|  | int DisplayDevice::getPowerMode()  const { | 
|  | return mPowerMode; | 
|  | } | 
|  |  | 
|  | bool DisplayDevice::isDisplayOn() const { | 
|  | return (mPowerMode != HWC_POWER_MODE_OFF); | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | void DisplayDevice::setActiveConfig(int mode) { | 
|  | mActiveConfig = mode; | 
|  | } | 
|  |  | 
|  | int DisplayDevice::getActiveConfig()  const { | 
|  | return mActiveConfig; | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | #ifdef USE_HWC2 | 
|  | void DisplayDevice::setActiveColorMode(android_color_mode_t mode) { | 
|  | mActiveColorMode = mode; | 
|  | } | 
|  |  | 
|  | android_color_mode_t DisplayDevice::getActiveColorMode() const { | 
|  | return mActiveColorMode; | 
|  | } | 
|  |  | 
|  | void DisplayDevice::setCompositionDataSpace(android_dataspace dataspace) { | 
|  | ANativeWindow* const window = mNativeWindow.get(); | 
|  | native_window_set_buffers_data_space(window, dataspace); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | void DisplayDevice::setLayerStack(uint32_t stack) { | 
|  | mLayerStack = stack; | 
|  | dirtyRegion.set(bounds()); | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | uint32_t DisplayDevice::getOrientationTransform() const { | 
|  | uint32_t transform = 0; | 
|  | switch (mOrientation) { | 
|  | case DisplayState::eOrientationDefault: | 
|  | transform = Transform::ROT_0; | 
|  | break; | 
|  | case DisplayState::eOrientation90: | 
|  | transform = Transform::ROT_90; | 
|  | break; | 
|  | case DisplayState::eOrientation180: | 
|  | transform = Transform::ROT_180; | 
|  | break; | 
|  | case DisplayState::eOrientation270: | 
|  | transform = Transform::ROT_270; | 
|  | break; | 
|  | } | 
|  | return transform; | 
|  | } | 
|  |  | 
|  | status_t DisplayDevice::orientationToTransfrom( | 
|  | int orientation, int w, int h, Transform* tr) | 
|  | { | 
|  | uint32_t flags = 0; | 
|  | switch (orientation) { | 
|  | case DisplayState::eOrientationDefault: | 
|  | flags = Transform::ROT_0; | 
|  | break; | 
|  | case DisplayState::eOrientation90: | 
|  | flags = Transform::ROT_90; | 
|  | break; | 
|  | case DisplayState::eOrientation180: | 
|  | flags = Transform::ROT_180; | 
|  | break; | 
|  | case DisplayState::eOrientation270: | 
|  | flags = Transform::ROT_270; | 
|  | break; | 
|  | default: | 
|  | return BAD_VALUE; | 
|  | } | 
|  | tr->set(flags, w, h); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | void DisplayDevice::setDisplaySize(const int newWidth, const int newHeight) { | 
|  | dirtyRegion.set(getBounds()); | 
|  |  | 
|  | if (mSurface != EGL_NO_SURFACE) { | 
|  | eglDestroySurface(mDisplay, mSurface); | 
|  | mSurface = EGL_NO_SURFACE; | 
|  | } | 
|  |  | 
|  | mDisplaySurface->resizeBuffers(newWidth, newHeight); | 
|  |  | 
|  | ANativeWindow* const window = mNativeWindow.get(); | 
|  | mSurface = eglCreateWindowSurface(mDisplay, mConfig, window, NULL); | 
|  | eglQuerySurface(mDisplay, mSurface, EGL_WIDTH,  &mDisplayWidth); | 
|  | eglQuerySurface(mDisplay, mSurface, EGL_HEIGHT, &mDisplayHeight); | 
|  |  | 
|  | LOG_FATAL_IF(mDisplayWidth != newWidth, | 
|  | "Unable to set new width to %d", newWidth); | 
|  | LOG_FATAL_IF(mDisplayHeight != newHeight, | 
|  | "Unable to set new height to %d", newHeight); | 
|  | } | 
|  |  | 
|  | void DisplayDevice::setProjection(int orientation, | 
|  | const Rect& newViewport, const Rect& newFrame) { | 
|  | Rect viewport(newViewport); | 
|  | Rect frame(newFrame); | 
|  |  | 
|  | const int w = mDisplayWidth; | 
|  | const int h = mDisplayHeight; | 
|  |  | 
|  | Transform R; | 
|  | DisplayDevice::orientationToTransfrom(orientation, w, h, &R); | 
|  |  | 
|  | if (!frame.isValid()) { | 
|  | // the destination frame can be invalid if it has never been set, | 
|  | // in that case we assume the whole display frame. | 
|  | frame = Rect(w, h); | 
|  | } | 
|  |  | 
|  | if (viewport.isEmpty()) { | 
|  | // viewport can be invalid if it has never been set, in that case | 
|  | // we assume the whole display size. | 
|  | // it's also invalid to have an empty viewport, so we handle that | 
|  | // case in the same way. | 
|  | viewport = Rect(w, h); | 
|  | if (R.getOrientation() & Transform::ROT_90) { | 
|  | // viewport is always specified in the logical orientation | 
|  | // of the display (ie: post-rotation). | 
|  | swap(viewport.right, viewport.bottom); | 
|  | } | 
|  | } | 
|  |  | 
|  | dirtyRegion.set(getBounds()); | 
|  |  | 
|  | Transform TL, TP, S; | 
|  | float src_width  = viewport.width(); | 
|  | float src_height = viewport.height(); | 
|  | float dst_width  = frame.width(); | 
|  | float dst_height = frame.height(); | 
|  | if (src_width != dst_width || src_height != dst_height) { | 
|  | float sx = dst_width  / src_width; | 
|  | float sy = dst_height / src_height; | 
|  | S.set(sx, 0, 0, sy); | 
|  | } | 
|  |  | 
|  | float src_x = viewport.left; | 
|  | float src_y = viewport.top; | 
|  | float dst_x = frame.left; | 
|  | float dst_y = frame.top; | 
|  | TL.set(-src_x, -src_y); | 
|  | TP.set(dst_x, dst_y); | 
|  |  | 
|  | // The viewport and frame are both in the logical orientation. | 
|  | // Apply the logical translation, scale to physical size, apply the | 
|  | // physical translation and finally rotate to the physical orientation. | 
|  | mGlobalTransform = R * TP * S * TL; | 
|  |  | 
|  | const uint8_t type = mGlobalTransform.getType(); | 
|  | mNeedsFiltering = (!mGlobalTransform.preserveRects() || | 
|  | (type >= Transform::SCALE)); | 
|  |  | 
|  | mScissor = mGlobalTransform.transform(viewport); | 
|  | if (mScissor.isEmpty()) { | 
|  | mScissor = getBounds(); | 
|  | } | 
|  |  | 
|  | mOrientation = orientation; | 
|  | if (mType == DisplayType::DISPLAY_PRIMARY) { | 
|  | uint32_t transform = 0; | 
|  | switch (mOrientation) { | 
|  | case DisplayState::eOrientationDefault: | 
|  | transform = Transform::ROT_0; | 
|  | break; | 
|  | case DisplayState::eOrientation90: | 
|  | transform = Transform::ROT_90; | 
|  | break; | 
|  | case DisplayState::eOrientation180: | 
|  | transform = Transform::ROT_180; | 
|  | break; | 
|  | case DisplayState::eOrientation270: | 
|  | transform = Transform::ROT_270; | 
|  | break; | 
|  | } | 
|  | sPrimaryDisplayOrientation = transform; | 
|  | } | 
|  | mViewport = viewport; | 
|  | mFrame = frame; | 
|  | } | 
|  |  | 
|  | uint32_t DisplayDevice::getPrimaryDisplayOrientationTransform() { | 
|  | return sPrimaryDisplayOrientation; | 
|  | } | 
|  |  | 
|  | void DisplayDevice::dump(String8& result) const { | 
|  | const Transform& tr(mGlobalTransform); | 
|  | ANativeWindow* const window = mNativeWindow.get(); | 
|  | EGLint redSize, greenSize, blueSize, alphaSize; | 
|  | eglGetConfigAttrib(mDisplay, mConfig, EGL_RED_SIZE, &redSize); | 
|  | eglGetConfigAttrib(mDisplay, mConfig, EGL_GREEN_SIZE, &greenSize); | 
|  | eglGetConfigAttrib(mDisplay, mConfig, EGL_BLUE_SIZE, &blueSize); | 
|  | eglGetConfigAttrib(mDisplay, mConfig, EGL_ALPHA_SIZE, &alphaSize); | 
|  | result.appendFormat("+ DisplayDevice: %s\n", mDisplayName.string()); | 
|  | result.appendFormat("   type=%x, hwcId=%d, layerStack=%u, (%4dx%4d), ANativeWindow=%p " | 
|  | "(%d:%d:%d:%d), orient=%2d (type=%08x), " | 
|  | "flips=%u, isSecure=%d, powerMode=%d, activeConfig=%d, numLayers=%zu\n", | 
|  | mType, mHwcDisplayId, mLayerStack, mDisplayWidth, mDisplayHeight, window, | 
|  | redSize, greenSize, blueSize, alphaSize, mOrientation, tr.getType(), | 
|  | getPageFlipCount(), mIsSecure, mPowerMode, mActiveConfig, | 
|  | mVisibleLayersSortedByZ.size()); | 
|  | result.appendFormat("   v:[%d,%d,%d,%d], f:[%d,%d,%d,%d], s:[%d,%d,%d,%d]," | 
|  | "transform:[[%0.3f,%0.3f,%0.3f][%0.3f,%0.3f,%0.3f][%0.3f,%0.3f,%0.3f]]\n", | 
|  | mViewport.left, mViewport.top, mViewport.right, mViewport.bottom, | 
|  | mFrame.left, mFrame.top, mFrame.right, mFrame.bottom, mScissor.left, | 
|  | mScissor.top, mScissor.right, mScissor.bottom, tr[0][0], tr[1][0], tr[2][0], | 
|  | tr[0][1], tr[1][1], tr[2][1], tr[0][2], tr[1][2], tr[2][2]); | 
|  | auto const surface = static_cast<Surface*>(window); | 
|  | android_dataspace dataspace = surface->getBuffersDataSpace(); | 
|  | result.appendFormat("   dataspace: %s (%d)\n", dataspaceDetails(dataspace).c_str(), dataspace); | 
|  |  | 
|  | String8 surfaceDump; | 
|  | mDisplaySurface->dumpAsString(surfaceDump); | 
|  | result.append(surfaceDump); | 
|  | } | 
|  |  | 
|  | std::atomic<int32_t> DisplayDeviceState::nextDisplayId(1); | 
|  |  | 
|  | DisplayDeviceState::DisplayDeviceState(DisplayDevice::DisplayType type, bool isSecure) | 
|  | : type(type), | 
|  | layerStack(DisplayDevice::NO_LAYER_STACK), | 
|  | orientation(0), | 
|  | width(0), | 
|  | height(0), | 
|  | isSecure(isSecure) | 
|  | { | 
|  | viewport.makeInvalid(); | 
|  | frame.makeInvalid(); | 
|  | } |