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