зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.4 KiB
C++
135 строки
4.4 KiB
C++
/* -*- 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_GFX_RENDERCOMPOSITOR_H
|
|
#define MOZILLA_GFX_RENDERCOMPOSITOR_H
|
|
|
|
#include "mozilla/RefPtr.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "mozilla/webrender/WebRenderTypes.h"
|
|
#include "Units.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace gl {
|
|
class GLContext;
|
|
}
|
|
|
|
namespace layers {
|
|
class SyncObjectHost;
|
|
} // namespace layers
|
|
|
|
namespace widget {
|
|
class CompositorWidget;
|
|
}
|
|
|
|
namespace wr {
|
|
|
|
class RenderCompositor {
|
|
public:
|
|
static UniquePtr<RenderCompositor> Create(
|
|
RefPtr<widget::CompositorWidget>&& aWidget);
|
|
|
|
RenderCompositor(RefPtr<widget::CompositorWidget>&& aWidget);
|
|
virtual ~RenderCompositor();
|
|
|
|
virtual bool BeginFrame() = 0;
|
|
|
|
// Called to notify the RenderCompositor that all of the commands for a frame
|
|
// have been pushed to the queue.
|
|
// @return a RenderedFrameId for the frame
|
|
virtual RenderedFrameId EndFrame(
|
|
const FfiVec<DeviceIntRect>& aDirtyRects) = 0;
|
|
// Returns false when waiting gpu tasks is failed.
|
|
// It might happen when rendering context is lost.
|
|
virtual bool WaitForGPU() { return true; }
|
|
|
|
// Check for and return the last completed frame.
|
|
// @return the last (highest) completed RenderedFrameId
|
|
virtual RenderedFrameId GetLastCompletedFrameId() {
|
|
return mLatestRenderFrameId.Prev();
|
|
}
|
|
|
|
// Update FrameId when WR rendering does not happen.
|
|
virtual RenderedFrameId UpdateFrameId() { return GetNextRenderFrameId(); }
|
|
|
|
virtual void Pause() = 0;
|
|
virtual bool Resume() = 0;
|
|
// Called when WR rendering is skipped
|
|
virtual void Update() {}
|
|
|
|
virtual gl::GLContext* gl() const { return nullptr; }
|
|
|
|
virtual bool MakeCurrent();
|
|
|
|
virtual bool UseANGLE() const { return false; }
|
|
|
|
virtual bool UseDComp() const { return false; }
|
|
|
|
virtual bool UseTripleBuffering() const { return false; }
|
|
|
|
virtual LayoutDeviceIntSize GetBufferSize() = 0;
|
|
|
|
widget::CompositorWidget* GetWidget() const { return mWidget; }
|
|
|
|
layers::SyncObjectHost* GetSyncObject() const { return mSyncObject.get(); }
|
|
|
|
virtual bool IsContextLost();
|
|
|
|
virtual bool SupportAsyncScreenshot() { return true; }
|
|
|
|
virtual bool ShouldUseNativeCompositor() { return false; }
|
|
virtual uint32_t GetMaxUpdateRects() { return 0; }
|
|
|
|
// Interface for wr::Compositor
|
|
virtual void CompositorBeginFrame() {}
|
|
virtual void CompositorEndFrame() {}
|
|
virtual void Bind(wr::NativeTileId aId, wr::DeviceIntPoint* aOffset,
|
|
uint32_t* aFboId, wr::DeviceIntRect aDirtyRect,
|
|
wr::DeviceIntRect aValidRect) {}
|
|
virtual void Unbind() {}
|
|
virtual void CreateSurface(wr::NativeSurfaceId aId,
|
|
wr::DeviceIntSize aTileSize, bool aIsOpaque) {}
|
|
virtual void DestroySurface(NativeSurfaceId aId) {}
|
|
virtual void CreateTile(wr::NativeSurfaceId, int32_t aX, int32_t aY) {}
|
|
virtual void DestroyTile(wr::NativeSurfaceId, int32_t aX, int32_t aY) {}
|
|
virtual void AddSurface(wr::NativeSurfaceId aId, wr::DeviceIntPoint aPosition,
|
|
wr::DeviceIntRect aClipRect) {}
|
|
virtual void EnableNativeCompositor(bool aEnable) {}
|
|
|
|
// Interface for partial present
|
|
virtual bool UsePartialPresent() { return false; }
|
|
virtual bool RequestFullRender() { return false; }
|
|
virtual uint32_t GetMaxPartialPresentRects() { return 0; }
|
|
|
|
// Whether the surface origin is top-left.
|
|
virtual bool SurfaceOriginIsTopLeft() { return false; }
|
|
|
|
// Does readback if wr_renderer_readback() could not get correct WR rendered
|
|
// result. It could happen when WebRender renders to multiple overlay layers.
|
|
virtual bool MaybeReadback(const gfx::IntSize& aReadbackSize,
|
|
const wr::ImageFormat& aReadbackFormat,
|
|
const Range<uint8_t>& aReadbackBuffer) {
|
|
return false;
|
|
}
|
|
|
|
protected:
|
|
// We default this to 2, so that mLatestRenderFrameId.Prev() is always valid.
|
|
RenderedFrameId mLatestRenderFrameId = RenderedFrameId{2};
|
|
RenderedFrameId GetNextRenderFrameId() {
|
|
mLatestRenderFrameId = mLatestRenderFrameId.Next();
|
|
return mLatestRenderFrameId;
|
|
}
|
|
|
|
RefPtr<widget::CompositorWidget> mWidget;
|
|
RefPtr<layers::SyncObjectHost> mSyncObject;
|
|
};
|
|
|
|
} // namespace wr
|
|
} // namespace mozilla
|
|
|
|
#endif
|