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// Copyright 2021 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_SHARED_MEMORY_IMAGE_BACKING_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SHARED_MEMORY_IMAGE_BACKING_H_
#include "base/memory/scoped_refptr.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "gpu/command_buffer/service/memory_tracking.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "gpu/command_buffer/service/shared_memory_region_wrapper.h"
#include "gpu/gpu_gles2_export.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer_handle.h"
namespace gpu {
// Implementation of SharedImageBacking that uses Shared Memory GMB.
class GPU_GLES2_EXPORT SharedMemoryImageBacking : public SharedImageBacking {
public:
SharedMemoryImageBacking(
const Mailbox& mailbox,
viz::SharedImageFormat format,
const gfx::Size& size,
const gfx::ColorSpace& color_space,
GrSurfaceOrigin surface_origin,
SkAlphaType alpha_type,
SharedImageUsageSet usage,
std::string debug_label,
SharedMemoryRegionWrapper wrapper,
gfx::GpuMemoryBufferHandle handle = gfx::GpuMemoryBufferHandle(),
std::optional<gfx::BufferUsage> buffer_usage = std::nullopt);
~SharedMemoryImageBacking() override;
// gpu::SharedImageBacking:
void Update(std::unique_ptr<gfx::GpuFence> in_fence) override;
SharedImageBackingType GetType() const override;
gfx::Rect ClearedRect() const override;
void SetClearedRect(const gfx::Rect& cleared_rect) override;
gfx::GpuMemoryBufferHandle GetGpuMemoryBufferHandle() override;
const SharedMemoryRegionWrapper& shared_memory_wrapper();
const std::vector<SkPixmap>& pixmaps();
protected:
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;
std::unique_ptr<GLTextureImageRepresentation> ProduceGLTexture(
SharedImageManager* manager,
MemoryTypeTracker* tracker) override;
std::unique_ptr<GLTexturePassthroughImageRepresentation>
ProduceGLTexturePassthrough(SharedImageManager* manager,
MemoryTypeTracker* tracker) override;
std::unique_ptr<SkiaGaneshImageRepresentation> ProduceSkiaGanesh(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
scoped_refptr<SharedContextState> context_state) override;
std::unique_ptr<OverlayImageRepresentation> ProduceOverlay(
SharedImageManager* manager,
MemoryTypeTracker* tracker) override;
std::unique_ptr<MemoryImageRepresentation> ProduceMemory(
SharedImageManager* manager,
MemoryTypeTracker* tracker) override;
private:
base::trace_event::MemoryAllocatorDump* OnMemoryDump(
const std::string& dump_name,
base::trace_event::MemoryAllocatorDumpGuid client_guid,
base::trace_event::ProcessMemoryDump* pmd,
uint64_t client_tracing_id) override;
// Set for shared memory GMB.
SharedMemoryRegionWrapper shared_memory_wrapper_;
// Initialized when backing is created as CPU mappable.
gfx::GpuMemoryBufferHandle handle_;
// SkPixmap(s) for accessing memory.
std::vector<SkPixmap> pixmaps_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SHARED_MEMORY_IMAGE_BACKING_H_
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