|  | /* | 
|  | * 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 LOG_TAG "ANativeWindow" | 
|  |  | 
|  | #include <grallocusage/GrallocUsageConversion.h> | 
|  | // from nativewindow/includes/system/window.h | 
|  | // (not to be confused with the compatibility-only window.h from system/core/includes) | 
|  | #include <system/window.h> | 
|  |  | 
|  | #include <private/android/AHardwareBufferHelpers.h> | 
|  |  | 
|  | #include <ui/GraphicBuffer.h> | 
|  |  | 
|  | using namespace android; | 
|  |  | 
|  | static int32_t query(ANativeWindow* window, int what) { | 
|  | int value; | 
|  | int res = window->query(window, what, &value); | 
|  | return res < 0 ? res : value; | 
|  | } | 
|  |  | 
|  | static int64_t query64(ANativeWindow* window, int what) { | 
|  | int64_t value; | 
|  | int res = window->perform(window, what, &value); | 
|  | return res < 0 ? res : value; | 
|  | } | 
|  |  | 
|  | static bool isDataSpaceValid(ANativeWindow* window, int32_t dataSpace) { | 
|  | bool supported = false; | 
|  | switch (dataSpace) { | 
|  | case HAL_DATASPACE_UNKNOWN: | 
|  | case HAL_DATASPACE_V0_SRGB: | 
|  | return true; | 
|  | // These data space need wide gamut support. | 
|  | case HAL_DATASPACE_V0_SCRGB_LINEAR: | 
|  | case HAL_DATASPACE_V0_SCRGB: | 
|  | case HAL_DATASPACE_DISPLAY_P3: | 
|  | native_window_get_wide_color_support(window, &supported); | 
|  | return supported; | 
|  | // These data space need HDR support. | 
|  | case HAL_DATASPACE_BT2020_PQ: | 
|  | native_window_get_hdr_support(window, &supported); | 
|  | return supported; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | /************************************************************************************************** | 
|  | * NDK | 
|  | **************************************************************************************************/ | 
|  |  | 
|  | void ANativeWindow_acquire(ANativeWindow* window) { | 
|  | // incStrong/decStrong token must be the same, doesn't matter what it is | 
|  | window->incStrong((void*)ANativeWindow_acquire); | 
|  | } | 
|  |  | 
|  | void ANativeWindow_release(ANativeWindow* window) { | 
|  | // incStrong/decStrong token must be the same, doesn't matter what it is | 
|  | window->decStrong((void*)ANativeWindow_acquire); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_getWidth(ANativeWindow* window) { | 
|  | return query(window, NATIVE_WINDOW_WIDTH); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_getHeight(ANativeWindow* window) { | 
|  | return query(window, NATIVE_WINDOW_HEIGHT); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_getFormat(ANativeWindow* window) { | 
|  | return query(window, NATIVE_WINDOW_FORMAT); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, | 
|  | int32_t width, int32_t height, int32_t format) { | 
|  | int32_t err = native_window_set_buffers_format(window, format); | 
|  | if (!err) { | 
|  | err = native_window_set_buffers_user_dimensions(window, width, height); | 
|  | if (!err) { | 
|  | int mode = NATIVE_WINDOW_SCALING_MODE_FREEZE; | 
|  | if (width && height) { | 
|  | mode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW; | 
|  | } | 
|  | err = native_window_set_scaling_mode(window, mode); | 
|  | } | 
|  | } | 
|  | return err; | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_lock(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, | 
|  | ARect* inOutDirtyBounds) { | 
|  | return window->perform(window, NATIVE_WINDOW_LOCK, outBuffer, inOutDirtyBounds); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_unlockAndPost(ANativeWindow* window) { | 
|  | return window->perform(window, NATIVE_WINDOW_UNLOCK_AND_POST); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_setBuffersTransform(ANativeWindow* window, int32_t transform) { | 
|  | static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL == NATIVE_WINDOW_TRANSFORM_FLIP_H); | 
|  | static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL == NATIVE_WINDOW_TRANSFORM_FLIP_V); | 
|  | static_assert(ANATIVEWINDOW_TRANSFORM_ROTATE_90 == NATIVE_WINDOW_TRANSFORM_ROT_90); | 
|  |  | 
|  | constexpr int32_t kAllTransformBits = | 
|  | ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL | | 
|  | ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL | | 
|  | ANATIVEWINDOW_TRANSFORM_ROTATE_90 | | 
|  | // We don't expose INVERSE_DISPLAY as an NDK constant, but someone could have read it | 
|  | // from a buffer already set by Camera framework, so we allow it to be forwarded. | 
|  | NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY; | 
|  | if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) | 
|  | return -EINVAL; | 
|  | if ((transform & ~kAllTransformBits) != 0) | 
|  | return -EINVAL; | 
|  |  | 
|  | return native_window_set_buffers_transform(window, transform); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_setBuffersDataSpace(ANativeWindow* window, int32_t dataSpace) { | 
|  | static_assert(static_cast<int>(ADATASPACE_UNKNOWN) == static_cast<int>(HAL_DATASPACE_UNKNOWN)); | 
|  | static_assert(static_cast<int>(ADATASPACE_SCRGB_LINEAR) == static_cast<int>(HAL_DATASPACE_V0_SCRGB_LINEAR)); | 
|  | static_assert(static_cast<int>(ADATASPACE_SRGB) == static_cast<int>(HAL_DATASPACE_V0_SRGB)); | 
|  | static_assert(static_cast<int>(ADATASPACE_SCRGB) == static_cast<int>(HAL_DATASPACE_V0_SCRGB)); | 
|  | static_assert(static_cast<int>(ADATASPACE_DISPLAY_P3) == static_cast<int>(HAL_DATASPACE_DISPLAY_P3)); | 
|  | static_assert(static_cast<int>(ADATASPACE_BT2020_PQ) == static_cast<int>(HAL_DATASPACE_BT2020_PQ)); | 
|  | static_assert(static_cast<int>(ADATASPACE_ADOBE_RGB) == static_cast<int>(HAL_DATASPACE_ADOBE_RGB)); | 
|  | static_assert(static_cast<int>(ADATASPACE_BT2020) == static_cast<int>(HAL_DATASPACE_BT2020)); | 
|  | static_assert(static_cast<int>(ADATASPACE_BT709) == static_cast<int>(HAL_DATASPACE_V0_BT709)); | 
|  | static_assert(static_cast<int>(ADATASPACE_DCI_P3) == static_cast<int>(HAL_DATASPACE_DCI_P3)); | 
|  | static_assert(static_cast<int>(ADATASPACE_SRGB_LINEAR) == static_cast<int>(HAL_DATASPACE_V0_SRGB_LINEAR)); | 
|  |  | 
|  | if (!window || !query(window, NATIVE_WINDOW_IS_VALID) || | 
|  | !isDataSpaceValid(window, dataSpace)) { | 
|  | return -EINVAL; | 
|  | } | 
|  | return native_window_set_buffers_data_space(window, | 
|  | static_cast<android_dataspace_t>(dataSpace)); | 
|  | } | 
|  |  | 
|  | int32_t ANativeWindow_getBuffersDataSpace(ANativeWindow* window) { | 
|  | if (!window || !query(window, NATIVE_WINDOW_IS_VALID)) | 
|  | return -EINVAL; | 
|  | return query(window, NATIVE_WINDOW_DATASPACE); | 
|  | } | 
|  |  | 
|  | /************************************************************************************************** | 
|  | * vndk-stable | 
|  | **************************************************************************************************/ | 
|  |  | 
|  | AHardwareBuffer* ANativeWindowBuffer_getHardwareBuffer(ANativeWindowBuffer* anwb) { | 
|  | return AHardwareBuffer_from_GraphicBuffer(static_cast<GraphicBuffer*>(anwb)); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_OemStorageSet(ANativeWindow* window, uint32_t slot, intptr_t value) { | 
|  | if (slot < 4) { | 
|  | window->oem[slot] = value; | 
|  | return 0; | 
|  | } | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | int ANativeWindow_OemStorageGet(ANativeWindow* window, uint32_t slot, intptr_t* value) { | 
|  | if (slot >= 4) { | 
|  | *value = window->oem[slot]; | 
|  | return 0; | 
|  | } | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  |  | 
|  | int ANativeWindow_setSwapInterval(ANativeWindow* window, int interval) { | 
|  | return window->setSwapInterval(window, interval); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_query(const ANativeWindow* window, ANativeWindowQuery what, int* value) { | 
|  | switch (what) { | 
|  | case ANATIVEWINDOW_QUERY_MIN_UNDEQUEUED_BUFFERS: | 
|  | case ANATIVEWINDOW_QUERY_DEFAULT_WIDTH: | 
|  | case ANATIVEWINDOW_QUERY_DEFAULT_HEIGHT: | 
|  | case ANATIVEWINDOW_QUERY_TRANSFORM_HINT: | 
|  | // these are part of the VNDK API | 
|  | break; | 
|  | case ANATIVEWINDOW_QUERY_MIN_SWAP_INTERVAL: | 
|  | *value = window->minSwapInterval; | 
|  | return 0; | 
|  | case ANATIVEWINDOW_QUERY_MAX_SWAP_INTERVAL: | 
|  | *value = window->maxSwapInterval; | 
|  | return 0; | 
|  | case ANATIVEWINDOW_QUERY_XDPI: | 
|  | *value = (int)window->xdpi; | 
|  | return 0; | 
|  | case ANATIVEWINDOW_QUERY_YDPI: | 
|  | *value = (int)window->ydpi; | 
|  | return 0; | 
|  | default: | 
|  | // asked for an invalid query(), one that isn't part of the VNDK | 
|  | return -EINVAL; | 
|  | } | 
|  | return window->query(window, int(what), value); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_queryf(const ANativeWindow* window, ANativeWindowQuery what, float* value) { | 
|  | switch (what) { | 
|  | case ANATIVEWINDOW_QUERY_XDPI: | 
|  | *value = window->xdpi; | 
|  | return 0; | 
|  | case ANATIVEWINDOW_QUERY_YDPI: | 
|  | *value = window->ydpi; | 
|  | return 0; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | int i; | 
|  | int e = ANativeWindow_query(window, what, &i); | 
|  | if (e == 0) { | 
|  | *value = (float)i; | 
|  | } | 
|  | return e; | 
|  | } | 
|  |  | 
|  | int ANativeWindow_dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer, int* fenceFd) { | 
|  | return window->dequeueBuffer(window, buffer, fenceFd); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) { | 
|  | return window->queueBuffer(window, buffer, fenceFd); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd) { | 
|  | return window->cancelBuffer(window, buffer, fenceFd); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setUsage(ANativeWindow* window, uint64_t usage) { | 
|  | return native_window_set_usage(window, usage); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setBufferCount(ANativeWindow* window, size_t bufferCount) { | 
|  | return native_window_set_buffer_count(window, bufferCount); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setBuffersDimensions(ANativeWindow* window, uint32_t w, uint32_t h) { | 
|  | return native_window_set_buffers_dimensions(window, (int)w, (int)h); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setBuffersFormat(ANativeWindow* window, int format) { | 
|  | return native_window_set_buffers_format(window, format); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setBuffersTimestamp(ANativeWindow* window, int64_t timestamp) { | 
|  | return native_window_set_buffers_timestamp(window, timestamp); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setSharedBufferMode(ANativeWindow* window, bool sharedBufferMode) { | 
|  | return native_window_set_shared_buffer_mode(window, sharedBufferMode); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setAutoRefresh(ANativeWindow* window, bool autoRefresh) { | 
|  | return native_window_set_auto_refresh(window, autoRefresh); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setAutoPrerotation(ANativeWindow* window, bool autoPrerotation) { | 
|  | return native_window_set_auto_prerotation(window, autoPrerotation); | 
|  | } | 
|  |  | 
|  | /************************************************************************************************** | 
|  | * apex-stable | 
|  | **************************************************************************************************/ | 
|  |  | 
|  | int64_t ANativeWindow_getLastDequeueDuration(ANativeWindow* window) { | 
|  | return query64(window, NATIVE_WINDOW_GET_LAST_DEQUEUE_DURATION); | 
|  | } | 
|  |  | 
|  | int64_t ANativeWindow_getLastQueueDuration(ANativeWindow* window) { | 
|  | return query64(window, NATIVE_WINDOW_GET_LAST_QUEUE_DURATION); | 
|  | } | 
|  |  | 
|  | int64_t ANativeWindow_getLastDequeueStartTime(ANativeWindow* window) { | 
|  | return query64(window, NATIVE_WINDOW_GET_LAST_DEQUEUE_START); | 
|  | } | 
|  |  | 
|  | int ANativeWindow_setDequeueTimeout(ANativeWindow* window, int64_t timeout) { | 
|  | return window->perform(window, NATIVE_WINDOW_SET_DEQUEUE_TIMEOUT, timeout); | 
|  | } |