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diff --git a/gfx/webrender_bindings/RenderCompositorD3D11SWGL.h b/gfx/webrender_bindings/RenderCompositorD3D11SWGL.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_D3D11_H
+#define MOZILLA_GFX_RENDERCOMPOSITOR_D3D11_H
+
+#include "mozilla/gfx/2D.h"
+#include "mozilla/layers/ScreenshotGrabber.h"
+#include "mozilla/layers/TextureD3D11.h"
+#include "mozilla/layers/CompositorD3D11.h"
+#include "mozilla/webrender/RenderCompositorLayersSWGL.h"
+
+namespace mozilla {
+
+namespace wr {
+
+class SurfaceD3D11SWGL;
+
+class RenderCompositorD3D11SWGL : public RenderCompositorLayersSWGL {
+ public:
+ static UniquePtr<RenderCompositor> Create(
+ const RefPtr<widget::CompositorWidget>& aWidget, nsACString& aError);
+
+ RenderCompositorD3D11SWGL(layers::CompositorD3D11* aCompositor,
+ const RefPtr<widget::CompositorWidget>& aWidget,
+ void* aContext);
+ virtual ~RenderCompositorD3D11SWGL();
+
+ void Pause() override;
+ bool Resume() override;
+
+ GLenum IsContextLost(bool aForce) override;
+
+ layers::WebRenderCompositor CompositorType() const override {
+ return layers::WebRenderCompositor::D3D11;
+ }
+ RenderCompositorD3D11SWGL* AsRenderCompositorD3D11SWGL() override {
+ return this;
+ }
+
+ bool BeginFrame() override;
+
+ bool MaybeReadback(const gfx::IntSize& aReadbackSize,
+ const wr::ImageFormat& aReadbackFormat,
+ const Range<uint8_t>& aReadbackBuffer,
+ bool* aNeedsYFlip) override;
+
+ layers::CompositorD3D11* GetCompositorD3D11() {
+ return mCompositor->AsCompositorD3D11();
+ }
+
+ ID3D11Device* GetDevice() { return GetCompositorD3D11()->GetDevice(); }
+
+ private:
+ already_AddRefed<ID3D11Texture2D> CreateStagingTexture(
+ const gfx::IntSize aSize);
+ already_AddRefed<gfx::DataSourceSurface> CreateStagingSurface(
+ const gfx::IntSize aSize);
+
+ void HandleExternalImage(RenderTextureHost* aExternalImage,
+ FrameSurface& aFrameSurface) override;
+ UniquePtr<RenderCompositorLayersSWGL::Surface> DoCreateSurface(
+ wr::DeviceIntSize aTileSize, bool aIsOpaque) override;
+ UniquePtr<RenderCompositorLayersSWGL::Tile> DoCreateTile(
+ Surface* aSurface) override;
+
+ class TileD3D11 : public RenderCompositorLayersSWGL::Tile {
+ public:
+ TileD3D11(layers::DataTextureSourceD3D11* aTexture,
+ ID3D11Texture2D* aStagingTexture,
+ gfx::DataSourceSurface* aDataSourceSurface, Surface* aOwner,
+ RenderCompositorD3D11SWGL* aRenderCompositor);
+ virtual ~TileD3D11() {}
+
+ bool Map(wr::DeviceIntRect aDirtyRect, wr::DeviceIntRect aValidRect,
+ void** aData, int32_t* aStride) override;
+ void Unmap(const gfx::IntRect& aDirtyRect) override;
+ layers::DataTextureSource* GetTextureSource() override { return mTexture; }
+ bool IsValid() override;
+
+ private:
+ RefPtr<layers::DataTextureSourceD3D11> mTexture;
+ RefPtr<ID3D11Texture2D> mStagingTexture;
+ RefPtr<gfx::DataSourceSurface> mSurface;
+ SurfaceD3D11SWGL* mOwner;
+ RenderCompositorD3D11SWGL* mRenderCompositor;
+ };
+
+ enum UploadMode {
+ Upload_Immediate,
+ Upload_Staging,
+ Upload_StagingNoBlock,
+ Upload_StagingPooled
+ };
+ UploadMode GetUploadMode();
+ UploadMode mUploadMode = Upload_Staging;
+
+ RefPtr<ID3D11Texture2D> mCurrentStagingTexture;
+ bool mCurrentStagingTextureIsTemp = false;
+};
+
+class SurfaceD3D11SWGL : public RenderCompositorLayersSWGL::Surface {
+ public:
+ SurfaceD3D11SWGL(wr::DeviceIntSize aTileSize, bool aIsOpaque);
+ virtual ~SurfaceD3D11SWGL() {}
+
+ SurfaceD3D11SWGL* AsSurfaceD3D11SWGL() override { return this; }
+
+ nsTArray<RefPtr<ID3D11Texture2D>> mStagingPool;
+};
+
+} // namespace wr
+} // namespace mozilla
+
+#endif