зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.2 KiB
C++
100 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_RENDERCOMPOSITOR_OGL_SWGL_H
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#define MOZILLA_GFX_RENDERCOMPOSITOR_OGL_SWGL_H
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#include "mozilla/layers/Compositor.h"
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#include "mozilla/webrender/RenderCompositorLayersSWGL.h"
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namespace mozilla {
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namespace layers {
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class TextureImageTextureSourceOGL;
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}
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namespace wr {
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class RenderCompositorOGLSWGL : public RenderCompositorLayersSWGL {
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public:
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static UniquePtr<RenderCompositor> Create(
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const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
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RenderCompositorOGLSWGL(layers::Compositor* aCompositor,
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const RefPtr<widget::CompositorWidget>& aWidget,
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void* aContext);
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virtual ~RenderCompositorOGLSWGL();
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gl::GLContext* GetGLContext();
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bool MakeCurrent() override;
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bool BeginFrame() override;
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RenderedFrameId EndFrame(const nsTArray<DeviceIntRect>& aDirtyRects) override;
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void GetCompositorCapabilities(CompositorCapabilities* aCaps) override;
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// Returns true for requesting rendering during readback.
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// RenderCompositorOGLSWGL::MaybeReadback() requests rendering.
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// This value is not used by WebRender, since native compositor API is used
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// for sw-wr.
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bool UsePartialPresent() override { return true; }
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bool RequestFullRender() override;
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void Pause() override;
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bool Resume() override;
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bool IsPaused() override;
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LayoutDeviceIntSize GetBufferSize() override;
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layers::WebRenderCompositor CompositorType() const override {
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return layers::WebRenderCompositor::OPENGL;
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}
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bool MaybeReadback(const gfx::IntSize& aReadbackSize,
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const wr::ImageFormat& aReadbackFormat,
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const Range<uint8_t>& aReadbackBuffer,
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bool* aNeedsYFlip) override;
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private:
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void HandleExternalImage(RenderTextureHost* aExternalImage,
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FrameSurface& aFrameSurface) override;
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UniquePtr<RenderCompositorLayersSWGL::Tile> DoCreateTile(
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Surface* aSurface) override;
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EGLSurface CreateEGLSurface();
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void DestroyEGLSurface();
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EGLSurface mEGLSurface = EGL_NO_SURFACE;
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// On android, we must track our own surface size.
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Maybe<LayoutDeviceIntSize> mEGLSurfaceSize;
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bool mFullRender = false;
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class TileOGL : public RenderCompositorLayersSWGL::Tile {
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public:
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TileOGL(RefPtr<layers::TextureImageTextureSourceOGL>&& aTexture,
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const gfx::IntSize& aSize);
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virtual ~TileOGL();
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bool Map(wr::DeviceIntRect aDirtyRect, wr::DeviceIntRect aValidRect,
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void** aData, int32_t* aStride) override;
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void Unmap(const gfx::IntRect& aDirtyRect) override;
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layers::DataTextureSource* GetTextureSource() override;
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bool IsValid() override { return true; }
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private:
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RefPtr<layers::TextureImageTextureSourceOGL> mTexture;
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RefPtr<gfx::DataSourceSurface> mSurface;
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RefPtr<gfx::DataSourceSurface> mSubSurface;
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GLuint mPBO = 0;
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};
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};
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} // namespace wr
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} // namespace mozilla
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#endif
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