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// Copyright 2023 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_WRAPPED_GRAPHITE_TEXTURE_BACKING_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_WRAPPED_GRAPHITE_TEXTURE_BACKING_H_
#include <memory>
#include <vector>
#include "base/containers/span.h"
#include "base/memory/scoped_refptr.h"
#include "base/types/pass_key.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
#include "gpu/command_buffer/service/shared_image/wrapped_graphite_texture_holder.h"
#include "skia/buildflags.h"
#include "third_party/skia/include/core/SkAlphaType.h"
#include "third_party/skia/include/core/SkColorType.h"
#include "third_party/skia/include/gpu/graphite/BackendTexture.h"
class SkPixmap;
namespace skgpu::graphite {
class Recorder;
}
namespace gpu {
class WrappedSkImageBackingFactory;
// Holds Skia Graphite allocated BackendTextures. Can only be accessed by
// Skia Graphite backend.
class WrappedGraphiteTextureBacking : public ClearTrackingSharedImageBacking {
public:
WrappedGraphiteTextureBacking(base::PassKey<WrappedSkImageBackingFactory>,
const Mailbox& mailbox,
viz::SharedImageFormat format,
const gfx::Size& size,
const gfx::ColorSpace& color_space,
GrSurfaceOrigin surface_origin,
SkAlphaType alpha_type,
gpu::SharedImageUsageSet usage,
std::string debug_label,
scoped_refptr<SharedContextState> context_state,
const bool thread_safe);
WrappedGraphiteTextureBacking(const WrappedGraphiteTextureBacking&) = delete;
WrappedGraphiteTextureBacking& operator=(
const WrappedGraphiteTextureBacking&) = delete;
~WrappedGraphiteTextureBacking() override;
// Initializes without pixel data.
bool Initialize();
// Initializes with pixel data that is uploaded to texture.
bool InitializeWithData(base::span<const uint8_t> pixels);
// SharedImageBacking implementation.
SharedImageBackingType GetType() const override;
void Update(std::unique_ptr<gfx::GpuFence> in_fence) override;
bool UploadFromMemory(const std::vector<SkPixmap>& pixmaps) override;
bool ReadbackToMemory(const std::vector<SkPixmap>& pixmaps) override;
protected:
std::unique_ptr<SkiaGraphiteImageRepresentation> ProduceSkiaGraphite(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
scoped_refptr<SharedContextState> context_state) override;
// Only used for testing 1-copy path where CopySharedImageToGLTexture is
// called via passthrough command decoder with GL context. This happens on
// test scenarios with Graphite-Swiftshader-Vulkan backend whereas in
// production IOSurfaceImageBacking would be used.
std::unique_ptr<SkiaGaneshImageRepresentation> ProduceSkiaGanesh(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
scoped_refptr<SharedContextState> context_state) override;
#if BUILDFLAG(SKIA_USE_DAWN)
std::unique_ptr<GLTexturePassthroughImageRepresentation>
ProduceGLTexturePassthrough(SharedImageManager* manager,
MemoryTypeTracker* tracker) override;
std::unique_ptr<DawnImageRepresentation> ProduceDawn(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
const wgpu::Device& device,
wgpu::BackendType backend_type,
std::vector<wgpu::TextureFormat> view_formats,
scoped_refptr<SharedContextState> context_state) override;
#endif // BUILDFLAG(SKIA_USE_DAWN)
private:
class SkiaGraphiteImageRepresentationImpl;
const std::vector<
scoped_refptr<SkiaImageRepresentation::GraphiteTextureHolder>>&
GetWrappedGraphiteTextureHolders();
bool InsertRecordingAndSubmit();
skgpu::graphite::Recorder* recorder() const {
return context_state_->gpu_main_graphite_recorder();
}
scoped_refptr<SharedContextState> context_state_;
std::vector<scoped_refptr<SkiaImageRepresentation::GraphiteTextureHolder>>
texture_holders_;
// Only stored for thread safe backings.
scoped_refptr<base::SingleThreadTaskRunner> created_task_runner_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_WRAPPED_GRAPHITE_TEXTURE_BACKING_H_
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