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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/. */
#ifndef MOZILLA_LAYERS_RENDEREROGL_H
#define MOZILLA_LAYERS_RENDEREROGL_H
#include "mozilla/ipc/FileDescriptor.h"
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/webrender/RenderThread.h"
#include "mozilla/webrender/WebRenderTypes.h"
#include "mozilla/webrender/webrender_ffi.h"
#include "mozilla/webrender/RendererScreenshotGrabber.h"
namespace mozilla {
namespace gfx {
class DrawTarget;
}
namespace gl {
class GLContext;
}
namespace layers {
class CompositorBridgeParent;
class SyncObjectHost;
} // namespace layers
namespace widget {
class CompositorWidget;
}
namespace wr {
class RenderCompositor;
class RenderTextureHost;
/// Owns the WebRender renderer and GL context.
///
/// There is one renderer per window, all owned by the render thread.
/// This class is a similar abstraction to CompositorOGL except that it is used
/// on the render thread instead of the compositor thread.
class RendererOGL {
friend wr::WrExternalImage LockExternalImage(void* aObj,
wr::ExternalImageId aId,
uint8_t aChannelIndex,
wr::ImageRendering);
friend void UnlockExternalImage(void* aObj, wr::ExternalImageId aId,
uint8_t aChannelIndex);
public:
wr::WrExternalImageHandler GetExternalImageHandler();
/// This can be called on the render thread only.
void Update();
/// This can be called on the render thread only.
RenderedFrameId UpdateAndRender(const Maybe<gfx::IntSize>& aReadbackSize,
const Maybe<wr::ImageFormat>& aReadbackFormat,
const Maybe<Range<uint8_t>>& aReadbackBuffer,
bool* aNeedsYFlip, RendererStats* aOutStats);
/// This can be called on the render thread only.
void WaitForGPU();
/// This can be called on the render thread only.
ipc::FileDescriptor GetAndResetReleaseFence();
/// This can be called on the render thread only.
RenderedFrameId GetLastCompletedFrameId();
/// This can be called on the render thread only.
RenderedFrameId UpdateFrameId();
/// This can be called on the render thread only.
void SetProfilerEnabled(bool aEnabled);
/// This can be called on the render thread only.
void SetFrameStartTime(const TimeStamp& aTime);
/// These can be called on the render thread only.
void BeginRecording(const TimeStamp& aRecordingStart,
wr::PipelineId aPipelineId);
void MaybeRecordFrame(const WebRenderPipelineInfo* aPipelineInfo);
void WriteCollectedFrames();
Maybe<layers::CollectedFrames> GetCollectedFrames();
/// This can be called on the render thread only.
~RendererOGL();
/// This can be called on the render thread only.
RendererOGL(RefPtr<RenderThread>&& aThread,
UniquePtr<RenderCompositor> aCompositor, wr::WindowId aWindowId,
wr::Renderer* aRenderer, layers::CompositorBridgeParent* aBridge);
/// This can be called on the render thread only.
void Pause();
/// This can be called on the render thread only.
bool Resume();
/// This can be called on the render thread only.
bool IsPaused();
/// This can be called on the render thread only.
void CheckGraphicsResetStatus(const char* aCaller, bool aForce);
layers::SyncObjectHost* GetSyncObject() const;
layers::CompositorBridgeParent* GetCompositorBridge() { return mBridge; }
RefPtr<WebRenderPipelineInfo> FlushPipelineInfo();
RenderTextureHost* GetRenderTexture(wr::ExternalImageId aExternalImageId);
RenderCompositor* GetCompositor() { return mCompositor.get(); }
void AccumulateMemoryReport(MemoryReport* aReport);
void SetProfilerUI(const nsCString& aUI);
wr::Renderer* GetRenderer() { return mRenderer; }
gl::GLContext* gl() const;
void* swgl() const;
bool EnsureAsyncScreenshot();
protected:
/**
* Determine if any content pipelines updated, and update
* mContentPipelineEpochs.
*/
bool DidPaintContent(const wr::WebRenderPipelineInfo* aFrameEpochs);
RefPtr<RenderThread> mThread;
UniquePtr<RenderCompositor> mCompositor;
UniquePtr<layers::CompositionRecorder> mCompositionRecorder; // can be null
wr::Renderer* mRenderer;
layers::CompositorBridgeParent* mBridge;
wr::WindowId mWindowId;
TimeStamp mFrameStartTime;
bool mDisableNativeCompositor;
RendererScreenshotGrabber mScreenshotGrabber;
// The id of the root WebRender pipeline.
//
// All other pipelines are considered content.
wr::PipelineId mRootPipelineId;
// A mapping of wr::PipelineId to the epochs when last they updated.
//
// We need to use uint64_t here since wr::PipelineId is not default
// constructable.
std::unordered_map<uint64_t, wr::Epoch> mContentPipelineEpochs;
};
} // namespace wr
} // namespace mozilla
#endif
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