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// Copyright 2019 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_SKIA_GL_IMAGE_REPRESENTATION_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SKIA_GL_IMAGE_REPRESENTATION_H_
#include "base/memory/raw_ptr.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
#include "ui/gl/gl_context.h"
namespace gpu {
// This is a wrapper class for SkiaGaneshImageRepresentation to be used in GL
// mode. For most of the SharedImageBackings, GLTextureImageRepresentation
// and SkiaGaneshImageRepresentation implementations do the same work which
// results in duplicate code. Hence instead of implementing
// SkiaGaneshImageRepresentation, this wrapper can be directly used or
// implemented by the backings.
class GPU_GLES2_EXPORT SkiaGLImageRepresentation
: public SkiaGaneshImageRepresentation {
public:
static std::unique_ptr<SkiaGLImageRepresentation> Create(
std::unique_ptr<GLTextureImageRepresentationBase> gl_representation,
scoped_refptr<SharedContextState> context_state,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
~SkiaGLImageRepresentation() 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;
std::vector<sk_sp<GrPromiseImageTexture>> BeginWriteAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
void EndWriteAccess() override;
std::vector<sk_sp<GrPromiseImageTexture>> BeginReadAccess(
std::vector<GrBackendSemaphore>* begin_semaphores,
std::vector<GrBackendSemaphore>* end_semaphores,
std::unique_ptr<skgpu::MutableTextureState>* end_state) override;
void EndReadAccess() override;
bool SupportsMultipleConcurrentReadAccess() override;
protected:
SkiaGLImageRepresentation(
std::unique_ptr<GLTextureImageRepresentationBase> gl_representation,
std::vector<sk_sp<GrPromiseImageTexture>> promise_textures,
scoped_refptr<SharedContextState> context_state,
SharedImageManager* manager,
SharedImageBacking* backing,
MemoryTypeTracker* tracker);
void ClearCachedSurfaces();
private:
void CheckContext();
std::unique_ptr<GLTextureImageRepresentationBase> gl_representation_;
std::vector<sk_sp<GrPromiseImageTexture>> promise_textures_;
scoped_refptr<SharedContextState> context_state_;
std::vector<sk_sp<SkSurface>> surfaces_;
RepresentationAccessMode mode_ = RepresentationAccessMode::kNone;
#if DCHECK_IS_ON()
raw_ptr<gl::GLContext> context_;
#endif
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SKIA_GL_IMAGE_REPRESENTATION_H_
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