gecko-dev/gfx/webrender_bindings/RenderCompositorEGL.h

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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_GFX_RENDERCOMPOSITOR_EGL_H
#define MOZILLA_GFX_RENDERCOMPOSITOR_EGL_H
#include "GLTypes.h"
#include "mozilla/webrender/RenderCompositor.h"
namespace mozilla {
namespace wr {
class RenderCompositorEGL : public RenderCompositor {
public:
static UniquePtr<RenderCompositor> Create(
const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
explicit RenderCompositorEGL(const RefPtr<widget::CompositorWidget>& aWidget,
RefPtr<gl::GLContext>&& aGL);
virtual ~RenderCompositorEGL();
bool BeginFrame() override;
RenderedFrameId EndFrame(const nsTArray<DeviceIntRect>& aDirtyRects) final;
void Pause() override;
bool Resume() override;
bool IsPaused() override;
gl::GLContext* gl() const override { return mGL; }
bool MakeCurrent() override;
bool UseANGLE() const override { return false; }
LayoutDeviceIntSize GetBufferSize() override;
// Interface for partial present
bool UsePartialPresent() override;
bool RequestFullRender() override;
uint32_t GetMaxPartialPresentRects() override;
bool ShouldDrawPreviousPartialPresentRegions() override;
size_t GetBufferAge() const override;
void SetBufferDamageRegion(const wr::DeviceIntRect* aRects,
size_t aNumRects) override;
ipc::FileDescriptor GetAndResetReleaseFence() override;
protected:
EGLSurface CreateEGLSurface();
void DestroyEGLSurface();
RefPtr<gl::GLContext> mGL;
EGLSurface mEGLSurface;
#ifdef MOZ_WIDGET_ANDROID
// On android we must track our own surface size.
LayoutDeviceIntSize mEGLSurfaceSize;
#endif
// FileDescriptor of release fence.
// Release fence is a fence that is used for waiting until usage/composite of
// AHardwareBuffer is ended. The fence is delivered to client side via
// ImageBridge. It is used only on android.
ipc::FileDescriptor mReleaseFenceFd;
};
} // namespace wr
} // namespace mozilla
#endif // MOZILLA_GFX_RENDERCOMPOSITOR_EGL_H