зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.8 KiB
C++
118 строки
3.8 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_D3D11_H
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#define MOZILLA_GFX_RENDERCOMPOSITOR_D3D11_H
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#include "mozilla/layers/ScreenshotGrabber.h"
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#include "mozilla/layers/TextureD3D11.h"
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#include "mozilla/layers/CompositorD3D11.h"
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#include "mozilla/webrender/RenderCompositorLayersSWGL.h"
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namespace mozilla {
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namespace wr {
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class SurfaceD3D11SWGL;
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class RenderCompositorD3D11SWGL : 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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RenderCompositorD3D11SWGL(layers::CompositorD3D11* aCompositor,
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const RefPtr<widget::CompositorWidget>& aWidget,
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void* aContext);
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virtual ~RenderCompositorD3D11SWGL();
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void Pause() override;
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bool Resume() override;
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GLenum IsContextLost(bool aForce) override;
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layers::WebRenderCompositor CompositorType() const override {
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return layers::WebRenderCompositor::D3D11;
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}
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RenderCompositorD3D11SWGL* AsRenderCompositorD3D11SWGL() override {
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return this;
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}
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bool BeginFrame() override;
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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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layers::CompositorD3D11* GetCompositorD3D11() {
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return mCompositor->AsCompositorD3D11();
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}
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ID3D11Device* GetDevice() { return GetCompositorD3D11()->GetDevice(); }
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private:
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already_AddRefed<ID3D11Texture2D> CreateStagingTexture(
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const gfx::IntSize aSize);
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already_AddRefed<DataSourceSurface> CreateStagingSurface(
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const gfx::IntSize aSize);
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void HandleExternalImage(RenderTextureHost* aExternalImage,
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FrameSurface& aFrameSurface) override;
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UniquePtr<RenderCompositorLayersSWGL::Surface> DoCreateSurface(
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wr::DeviceIntSize aTileSize, bool aIsOpaque) override;
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UniquePtr<RenderCompositorLayersSWGL::Tile> DoCreateTile(
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Surface* aSurface) override;
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class TileD3D11 : public RenderCompositorLayersSWGL::Tile {
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public:
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TileD3D11(layers::DataTextureSourceD3D11* aTexture,
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ID3D11Texture2D* aStagingTexture,
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DataSourceSurface* aDataSourceSurface, Surface* aOwner,
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RenderCompositorD3D11SWGL* aRenderCompositor);
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virtual ~TileD3D11() {}
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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 { return mTexture; }
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bool IsValid() override;
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private:
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RefPtr<layers::DataTextureSourceD3D11> mTexture;
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RefPtr<ID3D11Texture2D> mStagingTexture;
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RefPtr<DataSourceSurface> mSurface;
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SurfaceD3D11SWGL* mOwner;
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RenderCompositorD3D11SWGL* mRenderCompositor;
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};
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enum UploadMode {
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Upload_Immediate,
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Upload_Staging,
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Upload_StagingNoBlock,
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Upload_StagingPooled
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};
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UploadMode GetUploadMode();
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UploadMode mUploadMode = Upload_Staging;
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RefPtr<ID3D11Texture2D> mCurrentStagingTexture;
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bool mCurrentStagingTextureIsTemp = false;
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};
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class SurfaceD3D11SWGL : public RenderCompositorLayersSWGL::Surface {
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public:
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SurfaceD3D11SWGL(wr::DeviceIntSize aTileSize, bool aIsOpaque);
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virtual ~SurfaceD3D11SWGL() {}
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SurfaceD3D11SWGL* AsSurfaceD3D11SWGL() override { return this; }
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nsTArray<RefPtr<ID3D11Texture2D>> mStagingPool;
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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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