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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_DXGI_SWAP_CHAIN_IMAGE_REPRESENTATION_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_DXGI_SWAP_CHAIN_IMAGE_REPRESENTATION_H_
#include "gpu/command_buffer/service/shared_image/d3d_image_backing.h"
#include "gpu/command_buffer/service/shared_image/dxgi_swap_chain_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
#include "gpu/command_buffer/service/shared_image/skia_gl_image_representation.h"
class GrPromiseImageTexture;
namespace gpu {
// See DXGISwapChainImageBacking::ProduceOverlay for more information.
class DXGISwapChainOverlayImageRepresentation
: public OverlayImageRepresentation {
public:
DXGISwapChainOverlayImageRepresentation(SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
~DXGISwapChainOverlayImageRepresentation() override;
protected:
std::optional<gl::DCLayerOverlayImage> GetDCLayerOverlayImage() override;
private:
bool BeginReadAccess(gfx::GpuFenceHandle& acquire_fence) override;
void EndReadAccess(gfx::GpuFenceHandle release_fence) override;
};
// Representation of a DXGI swap chain backbuffer as a GL TexturePassthrough.
class GLTexturePassthroughDXGISwapChainBufferRepresentation
: public GLTexturePassthroughImageRepresentation {
public:
GLTexturePassthroughDXGISwapChainBufferRepresentation(
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker,
scoped_refptr<D3DImageBacking::GLTextureHolder> texture_holder);
~GLTexturePassthroughDXGISwapChainBufferRepresentation() override;
const scoped_refptr<gles2::TexturePassthrough>& GetTexturePassthrough(
int plane_index) override;
private:
bool BeginAccess(GLenum mode) override;
void EndAccess() override;
// Holds a gles2::TexturePassthrough and corresponding egl image.
scoped_refptr<D3DImageBacking::GLTextureHolder> texture_holder_;
};
// Functionally the same as SkiaGLImageRepresentation, with the exception of
// intercepting the update rect passed to BeginWriteAccess to notify the
// DXGISwapChainImageBacking for IDXGISwapChain1::Present1.
class SkiaGLImageRepresentationDXGISwapChain
: public SkiaGLImageRepresentation {
public:
static std::unique_ptr<SkiaGLImageRepresentationDXGISwapChain> Create(
std::unique_ptr<GLTextureImageRepresentationBase> gl_representation,
scoped_refptr<SharedContextState> context_state,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
~SkiaGLImageRepresentationDXGISwapChain() override;
std::vector<sk_sp<SkSurface>> BeginWriteAccess(
int final_msaa_count,
const SkSurfaceProps& surface_props,
const gfx::Rect& update_rect,
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
void EndWriteAccess() override;
private:
SkiaGLImageRepresentationDXGISwapChain(
std::unique_ptr<GLTextureImageRepresentationBase> gl_representation,
std::vector<sk_sp<GrPromiseImageTexture>> promise_textures,
scoped_refptr<SharedContextState> context_state,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
};
// Representation of a DXGI swap chain backbuffer as a Dawn texture.
class DawnRepresentationDXGISwapChain : public DawnImageRepresentation {
public:
DawnRepresentationDXGISwapChain(SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker,
wgpu::Device device,
wgpu::BackendType backend_type);
~DawnRepresentationDXGISwapChain() override;
wgpu::Texture BeginAccess(wgpu::TextureUsage usage,
wgpu::TextureUsage internal_usage) override;
wgpu::Texture BeginAccess(wgpu::TextureUsage usage,
wgpu::TextureUsage internal_usage,
const gfx::Rect& update_rect) override;
void EndAccess() override;
private:
const wgpu::Device device_;
wgpu::Texture texture_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_DXGI_SWAP_CHAIN_IMAGE_REPRESENTATION_H_
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