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RendererOGL.cpp
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RendererOGL.cpp
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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "RendererOGL.h"
#include "base/task.h"
#include "GLContext.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/gfx/Types.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorThread.h"
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/layers/ProfilerScreenshots.h"
#include "mozilla/webrender/RenderCompositor.h"
#include "mozilla/webrender/RenderTextureHost.h"
#include "mozilla/widget/CompositorWidget.h"
namespace mozilla {
namespace wr {
wr::WrExternalImage wr_renderer_lock_external_image(
void* aObj, wr::ExternalImageId aId, uint8_t aChannelIndex,
wr::ImageRendering aRendering) {
RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
RenderTextureHost* texture = renderer->GetRenderTexture(aId);
MOZ_ASSERT(texture);
if (!texture) {
gfxCriticalNoteOnce << "Failed to lock ExternalImage for extId:"
<< AsUint64(aId);
return InvalidToWrExternalImage();
}
return texture->Lock(aChannelIndex, renderer->gl(), aRendering);
}
void wr_renderer_unlock_external_image(void* aObj, wr::ExternalImageId aId,
uint8_t aChannelIndex) {
RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
RenderTextureHost* texture = renderer->GetRenderTexture(aId);
MOZ_ASSERT(texture);
if (!texture) {
return;
}
texture->Unlock();
}
RendererOGL::RendererOGL(RefPtr<RenderThread>&& aThread,
UniquePtr<RenderCompositor> aCompositor,
wr::WindowId aWindowId, wr::Renderer* aRenderer,
layers::CompositorBridgeParent* aBridge,
void* aSoftwareContext)
: mThread(aThread),
mCompositor(std::move(aCompositor)),
mRenderer(aRenderer),
mBridge(aBridge),
mWindowId(aWindowId),
mSoftwareContext(aSoftwareContext),
mDisableNativeCompositor(false) {
MOZ_ASSERT(mThread);
MOZ_ASSERT(mCompositor);
MOZ_ASSERT(mRenderer);
MOZ_ASSERT(mBridge);
MOZ_COUNT_CTOR(RendererOGL);
}
RendererOGL::~RendererOGL() {
MOZ_COUNT_DTOR(RendererOGL);
if (mSoftwareContext) {
wr_swgl_make_current(mSoftwareContext);
}
if (!mCompositor->MakeCurrent()) {
gfxCriticalNote
<< "Failed to make render context current during destroying.";
// Leak resources!
} else {
wr_renderer_delete(mRenderer);
}
if (mSoftwareContext) {
wr_swgl_destroy_context(mSoftwareContext);
}
}
wr::WrExternalImageHandler RendererOGL::GetExternalImageHandler() {
return wr::WrExternalImageHandler{
this,
};
}
void RendererOGL::Update() {
mCompositor->Update();
if (mCompositor->MakeCurrent()) {
wr_renderer_update(mRenderer);
}
}
static void DoNotifyWebRenderContextPurge(
layers::CompositorBridgeParent* aBridge) {
aBridge->NotifyWebRenderContextPurge();
}
static void DoWebRenderDisableNativeCompositor(
layers::CompositorBridgeParent* aBridge) {
aBridge->NotifyWebRenderDisableNativeCompositor();
}
RenderedFrameId RendererOGL::UpdateAndRender(
const Maybe<gfx::IntSize>& aReadbackSize,
const Maybe<wr::ImageFormat>& aReadbackFormat,
const Maybe<Range<uint8_t>>& aReadbackBuffer, RendererStats* aOutStats) {
mozilla::widget::WidgetRenderingContext widgetContext;
#if defined(XP_MACOSX)
widgetContext.mGL = mCompositor->gl();
#endif
if (!mCompositor->GetWidget()->PreRender(&widgetContext)) {
// XXX This could cause oom in webrender since pending_texture_updates is
// not handled. It needs to be addressed.
return RenderedFrameId();
;
}
// XXX set clear color if MOZ_WIDGET_ANDROID is defined.
if (!mCompositor->BeginFrame()) {
if (mCompositor->IsContextLost()) {
RenderThread::Get()->HandleDeviceReset("BeginFrame", /* aNotify */ true);
}
mCompositor->GetWidget()->PostRender(&widgetContext);
return RenderedFrameId();
}
auto size = mCompositor->GetBufferSize();
if (mSoftwareContext) {
wr_swgl_make_current(mSoftwareContext);
wr_swgl_init_default_framebuffer(mSoftwareContext, size.width, size.height);
}
wr_renderer_update(mRenderer);
bool fullRender = mCompositor->RequestFullRender();
// When we're rendering to an external target, we want to render everything.
if (mCompositor->UsePartialPresent() &&
(aReadbackBuffer.isSome() || layers::ProfilerScreenshots::IsEnabled())) {
fullRender = true;
}
if (fullRender) {
wr_renderer_force_redraw(mRenderer);
}
nsTArray<DeviceIntRect> dirtyRects;
if (!wr_renderer_render(mRenderer, size.width, size.height, aOutStats,
&dirtyRects)) {
RenderThread::Get()->HandleWebRenderError(WebRenderError::RENDER);
mCompositor->GetWidget()->PostRender(&widgetContext);
return RenderedFrameId();
}
if (aReadbackBuffer.isSome()) {
MOZ_ASSERT(aReadbackSize.isSome());
MOZ_ASSERT(aReadbackFormat.isSome());
if (!mCompositor->MaybeReadback(aReadbackSize.ref(), aReadbackFormat.ref(),
aReadbackBuffer.ref())) {
wr_renderer_readback(mRenderer, aReadbackSize.ref().width,
aReadbackSize.ref().height, aReadbackFormat.ref(),
&aReadbackBuffer.ref()[0],
aReadbackBuffer.ref().length());
}
}
mScreenshotGrabber.MaybeGrabScreenshot(this, size.ToUnknownSize());
RenderedFrameId frameId = mCompositor->EndFrame(dirtyRects);
mCompositor->GetWidget()->PostRender(&widgetContext);
#if defined(ENABLE_FRAME_LATENCY_LOG)
if (mFrameStartTime) {
uint32_t latencyMs =
round((TimeStamp::Now() - mFrameStartTime).ToMilliseconds());
printf_stderr("generate frame latencyMs latencyMs %d\n", latencyMs);
}
// Clear frame start time
mFrameStartTime = TimeStamp();
#endif
mScreenshotGrabber.MaybeProcessQueue(this);
// TODO: Flush pending actions such as texture deletions/unlocks and
// textureHosts recycling.
return frameId;
}
bool RendererOGL::EnsureAsyncScreenshot() {
if (mCompositor->SupportAsyncScreenshot()) {
return true;
}
if (!mDisableNativeCompositor) {
layers::CompositorThreadHolder::Loop()->PostTask(
NewRunnableFunction("DoWebRenderDisableNativeCompositorRunnable",
&DoWebRenderDisableNativeCompositor, mBridge));
mDisableNativeCompositor = true;
gfxCriticalNote << "Disable native compositor for async screenshot";
}
return false;
}
void RendererOGL::CheckGraphicsResetStatus() {
if (!mCompositor || !mCompositor->gl()) {
return;
}
gl::GLContext* gl = mCompositor->gl();
if (gl->IsSupported(gl::GLFeature::robustness)) {
GLenum resetStatus = gl->fGetGraphicsResetStatus();
if (resetStatus == LOCAL_GL_PURGED_CONTEXT_RESET_NV) {
layers::CompositorThreadHolder::Loop()->PostTask(
NewRunnableFunction("DoNotifyWebRenderContextPurgeRunnable",
&DoNotifyWebRenderContextPurge, mBridge));
}
}
}
void RendererOGL::WaitForGPU() {
if (!mCompositor->WaitForGPU()) {
if (mCompositor->IsContextLost()) {
RenderThread::Get()->HandleDeviceReset("WaitForGPU", /* aNotify */ true);
}
}
}
RenderedFrameId RendererOGL::GetLastCompletedFrameId() {
return mCompositor->GetLastCompletedFrameId();
}
RenderedFrameId RendererOGL::UpdateFrameId() {
return mCompositor->UpdateFrameId();
}
void RendererOGL::Pause() { mCompositor->Pause(); }
bool RendererOGL::Resume() { return mCompositor->Resume(); }
layers::SyncObjectHost* RendererOGL::GetSyncObject() const {
return mCompositor->GetSyncObject();
}
gl::GLContext* RendererOGL::gl() const { return mCompositor->gl(); }
void RendererOGL::SetFrameStartTime(const TimeStamp& aTime) {
if (mFrameStartTime) {
// frame start time is already set. This could happen when multiple
// generate frame requests are merged by webrender.
return;
}
mFrameStartTime = aTime;
}
RefPtr<WebRenderPipelineInfo> RendererOGL::FlushPipelineInfo() {
RefPtr<WebRenderPipelineInfo> info = new WebRenderPipelineInfo();
wr_renderer_flush_pipeline_info(mRenderer, &info->Raw());
return info;
}
RenderTextureHost* RendererOGL::GetRenderTexture(
wr::ExternalImageId aExternalImageId) {
return mThread->GetRenderTexture(aExternalImageId);
}
void RendererOGL::AccumulateMemoryReport(MemoryReport* aReport) {
wr_renderer_accumulate_memory_report(GetRenderer(), aReport);
LayoutDeviceIntSize size = mCompositor->GetBufferSize();
// Assume BGRA8 for the format since it's not exposed anywhere,
// and all compositor backends should be using that.
uintptr_t swapChainSize = size.width * size.height *
BytesPerPixel(gfx::SurfaceFormat::B8G8R8A8) *
(mCompositor->UseTripleBuffering() ? 3 : 2);
aReport->swap_chain += swapChainSize;
}
} // namespace wr
} // namespace mozilla