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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/layers/ScreenshotGrabber.h"
#include "mozilla/layers/TextureD3D11.h"
#include "mozilla/layers/CompositorD3D11.h"
#include "mozilla/webrender/RenderCompositor.h"
namespace mozilla {
namespace wr {
class RenderCompositorD3D11SWGL : public RenderCompositor {
public:
static UniquePtr<RenderCompositor> Create(
RefPtr<widget::CompositorWidget>&& aWidget, nsACString& aError);
RenderCompositorD3D11SWGL(layers::CompositorD3D11* aCompositor,
RefPtr<widget::CompositorWidget>&& aWidget,
void* aContext);
virtual ~RenderCompositorD3D11SWGL();
void* swgl() const override { return mContext; }
bool MakeCurrent() override;
bool BeginFrame() override;
void CancelFrame() override;
RenderedFrameId EndFrame(const nsTArray<DeviceIntRect>& aDirtyRects) final;
void Pause() override;
bool Resume() override;
bool SurfaceOriginIsTopLeft() override { return true; }
LayoutDeviceIntSize GetBufferSize() override;
GLenum IsContextLost(bool aForce) override;
// Should we support this?
bool SupportsExternalBufferTextures() const override { return false; }
layers::WebRenderBackend BackendType() const override {
return layers::WebRenderBackend::SOFTWARE;
}
layers::WebRenderCompositor CompositorType() const override {
return layers::WebRenderCompositor::D3D11;
}
RenderCompositorD3D11SWGL* AsRenderCompositorD3D11SWGL() override {
return this;
}
// Interface for wr::Compositor
CompositorCapabilities GetCompositorCapabilities() override;
bool ShouldUseNativeCompositor() override { return true; }
void CompositorBeginFrame() override {}
void CompositorEndFrame() override;
void Bind(wr::NativeTileId aId, wr::DeviceIntPoint* aOffset, uint32_t* aFboId,
wr::DeviceIntRect aDirtyRect,
wr::DeviceIntRect aValidRect) override;
void Unbind() override;
bool MapTile(wr::NativeTileId aId, wr::DeviceIntRect aDirtyRect,
wr::DeviceIntRect aValidRect, void** aData,
int32_t* aStride) override;
void UnmapTile() override;
void CreateSurface(wr::NativeSurfaceId aId, wr::DeviceIntPoint aVirtualOffset,
wr::DeviceIntSize aTileSize, bool aIsOpaque) override;
void CreateExternalSurface(wr::NativeSurfaceId aId, bool aIsOpaque) override;
void DestroySurface(NativeSurfaceId aId) override;
void CreateTile(wr::NativeSurfaceId, int32_t aX, int32_t aY) override;
void DestroyTile(wr::NativeSurfaceId, int32_t aX, int32_t aY) override;
void AttachExternalImage(wr::NativeSurfaceId aId,
wr::ExternalImageId aExternalImage) override;
void AddSurface(wr::NativeSurfaceId aId,
const wr::CompositorSurfaceTransform& aTransform,
wr::DeviceIntRect aClipRect,
wr::ImageRendering aImageRendering) override;
void EnableNativeCompositor(bool aEnable) override {}
void DeInit() override {}
bool MaybeReadback(const gfx::IntSize& aReadbackSize,
const wr::ImageFormat& aReadbackFormat,
const Range<uint8_t>& aReadbackBuffer,
bool* aNeedsYFlip) override;
void MaybeRequestAllowFrameRecording(bool aWillRecord) override;
bool MaybeRecordFrame(layers::CompositionRecorder& aRecorder) override;
bool MaybeGrabScreenshot(const gfx::IntSize& aWindowSize) override;
bool MaybeProcessScreenshotQueue() override;
// TODO: Screenshots etc
struct TileKey {
TileKey(int32_t aX, int32_t aY) : mX(aX), mY(aY) {}
int32_t mX;
int32_t mY;
};
ID3D11Device* GetDevice() { return mCompositor->GetDevice(); }
private:
already_AddRefed<ID3D11Texture2D> CreateStagingTexture(
const gfx::IntSize aSize);
already_AddRefed<DataSourceSurface> CreateStagingSurface(
const gfx::IntSize aSize);
RefPtr<layers::CompositorD3D11> mCompositor;
void* mContext = nullptr;
struct Tile {
// Each tile retains a texture, and a DataSourceSurface of the
// same size. We draw into the source surface, and then copy the
// changed area into the texture.
RefPtr<layers::DataTextureSourceD3D11> mTexture;
RefPtr<ID3D11Texture2D> mStagingTexture;
RefPtr<DataSourceSurface> mSurface;
gfx::Rect mValidRect;
bool mIsTemp = false;
struct KeyHashFn {
std::size_t operator()(const TileKey& aId) const {
return HashGeneric(aId.mX, aId.mY);
}
};
};
struct Surface {
explicit Surface(wr::DeviceIntSize aTileSize, bool aIsOpaque)
: mTileSize(aTileSize), mIsOpaque(aIsOpaque) {}
gfx::IntSize TileSize() {
return gfx::IntSize(mTileSize.width, mTileSize.height);
}
// External images can change size depending on which image
// is attached, so mTileSize will be 0,0 when mIsExternal
// is true.
wr::DeviceIntSize mTileSize;
bool mIsOpaque;
bool mIsExternal = false;
std::unordered_map<TileKey, Tile, Tile::KeyHashFn> mTiles;
RefPtr<RenderTextureHost> mExternalImage;
nsTArray<RefPtr<ID3D11Texture2D>> mStagingPool;
struct IdHashFn {
std::size_t operator()(const wr::NativeSurfaceId& aId) const {
return HashGeneric(wr::AsUint64(aId));
}
};
};
std::unordered_map<wr::NativeSurfaceId, Surface, Surface::IdHashFn> mSurfaces;
enum UploadMode {
Upload_Immediate,
Upload_Staging,
Upload_StagingNoBlock,
Upload_StagingPooled
};
UploadMode GetUploadMode();
UploadMode mUploadMode = Upload_Staging;
// Temporary state held between MapTile and UnmapTile
Tile mCurrentTile;
gfx::IntRect mCurrentTileDirty;
wr::NativeTileId mCurrentTileId;
// The set of surfaces added to be composited for the current frame
struct FrameSurface {
wr::NativeSurfaceId mId;
gfx::Matrix4x4 mTransform;
gfx::IntRect mClipRect;
gfx::SamplingFilter mFilter;
};
nsTArray<FrameSurface> mFrameSurfaces;
bool mInFrame = false;
layers::ScreenshotGrabber mProfilerScreenshotGrabber;
};
static inline bool operator==(const RenderCompositorD3D11SWGL::TileKey& a0,
const RenderCompositorD3D11SWGL::TileKey& a1) {
return a0.mX == a1.mX && a0.mY == a1.mY;
}
} // namespace wr
} // namespace mozilla
#endif
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