зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
2.9 KiB
C++
96 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RendererScreenshotGrabber.h"
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using mozilla::layers::ProfilerScreenshots;
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namespace mozilla {
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namespace wr {
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RendererScreenshotGrabber::RendererScreenshotGrabber() {
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mMaxScreenshotSize = ProfilerScreenshots::ScreenshotSize();
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}
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void RendererScreenshotGrabber::MaybeGrabScreenshot(
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Renderer* aRenderer, const gfx::IntSize& aWindowSize) {
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if (ProfilerScreenshots::IsEnabled()) {
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if (!mProfilerScreenshots) {
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mProfilerScreenshots = new ProfilerScreenshots();
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}
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GrabScreenshot(aRenderer, aWindowSize);
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} else if (mProfilerScreenshots) {
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Destroy(aRenderer);
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}
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}
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void RendererScreenshotGrabber::MaybeProcessQueue(Renderer* aRenderer) {
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if (ProfilerScreenshots::IsEnabled()) {
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if (!mProfilerScreenshots) {
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mProfilerScreenshots = new ProfilerScreenshots();
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}
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ProcessQueue(aRenderer);
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} else if (mProfilerScreenshots) {
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Destroy(aRenderer);
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}
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}
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void RendererScreenshotGrabber::Destroy(Renderer* aRenderer) {
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mQueue.Clear();
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mCurrentFrameQueueItem = Nothing();
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mProfilerScreenshots = nullptr;
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wr_renderer_release_profiler_structures(aRenderer);
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}
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void RendererScreenshotGrabber::GrabScreenshot(
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Renderer* aRenderer, const gfx::IntSize& aWindowSize) {
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gfx::IntSize screenshotSize;
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AsyncScreenshotHandle handle = wr_renderer_get_screenshot_async(
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aRenderer, 0, 0, aWindowSize.width, aWindowSize.height,
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mMaxScreenshotSize.width, mMaxScreenshotSize.height, ImageFormat::BGRA8,
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&screenshotSize.width, &screenshotSize.height);
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mCurrentFrameQueueItem = Some(QueueItem{
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TimeStamp::Now(),
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handle,
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screenshotSize,
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aWindowSize,
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reinterpret_cast<uintptr_t>(this),
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});
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}
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void RendererScreenshotGrabber::ProcessQueue(Renderer* aRenderer) {
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for (const auto& item : mQueue) {
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mProfilerScreenshots->SubmitScreenshot(
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item.mWindowIdentifier, item.mWindowSize, item.mScreenshotSize,
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item.mTimeStamp, [&item, aRenderer](DataSourceSurface* aTargetSurface) {
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DataSourceSurface::ScopedMap map(aTargetSurface,
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DataSourceSurface::WRITE);
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int32_t destStride = map.GetStride();
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bool success = wr_renderer_map_and_recycle_screenshot(
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aRenderer, item.mHandle, map.GetData(),
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destStride * aTargetSurface->GetSize().height, destStride);
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return success;
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});
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}
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mQueue.Clear();
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if (mCurrentFrameQueueItem) {
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mQueue.AppendElement(*mCurrentFrameQueueItem);
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mCurrentFrameQueueItem = Nothing();
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}
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}
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} // namespace wr
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} // namespace mozilla
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