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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_OZONE_IMAGE_BACKING_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_OZONE_IMAGE_BACKING_H_
#include <dawn/webgpu_cpp.h>
#include <memory>
#include "base/containers/flat_map.h"
#include "base/memory/scoped_refptr.h"
#include "build/build_config.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_context_state.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "gpu/config/gpu_driver_bug_workarounds.h"
#include "gpu/gpu_gles2_export.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_fence.h"
#include "ui/gfx/gpu_fence_handle.h"
#include "ui/gfx/native_pixmap.h"
#include "ui/gl/buildflags.h"
#include "ui/gl/gl_context.h"
namespace gpu {
class OzoneImageGLTexturesHolder;
// Implementation of SharedImageBacking that uses a NativePixmap created via
// an Ozone surface factory. The memory associated with the pixmap can be
// aliased by both GL and Vulkan for use in rendering or compositing.
class GPU_GLES2_EXPORT OzoneImageBacking final
: public ClearTrackingSharedImageBacking,
public gl::GLContext::GLContextObserver {
public:
OzoneImageBacking(
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,
scoped_refptr<SharedContextState> context_state,
scoped_refptr<gfx::NativePixmap> pixmap,
const GpuDriverBugWorkarounds& workarounds,
std::optional<gfx::BufferUsage> buffer_usage = std::nullopt);
OzoneImageBacking(const OzoneImageBacking&) = delete;
OzoneImageBacking& operator=(const OzoneImageBacking&) = delete;
~OzoneImageBacking() override;
// gpu::SharedImageBacking:
SharedImageBackingType GetType() const override;
void Update(std::unique_ptr<gfx::GpuFence> in_fence) override;
bool UploadFromMemory(const std::vector<SkPixmap>& pixmaps) override;
scoped_refptr<gfx::NativePixmap> GetNativePixmap() override;
gfx::GpuMemoryBufferHandle GetGpuMemoryBufferHandle() override;
bool IsImportedFromExo() override;
enum class AccessStream { kGL, kVulkan, kWebGPU, kOverlay, kLast };
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<SkiaGraphiteImageRepresentation> ProduceSkiaGraphite(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
scoped_refptr<SharedContextState> context_state) 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;
#if BUILDFLAG(ENABLE_VULKAN)
std::unique_ptr<VulkanImageRepresentation> ProduceVulkan(
SharedImageManager* manager,
MemoryTypeTracker* tracker,
gpu::VulkanDeviceQueue* vulkan_device_queue,
gpu::VulkanImplementation& vulkan_impl,
bool needs_detiling) override;
#endif
private:
friend class GLTexturePassthroughOzoneImageRepresentation;
friend class DawnOzoneImageRepresentation;
friend class SkiaVkOzoneImageRepresentation;
friend class VulkanOzoneImageRepresentation;
class OverlayOzoneImageRepresentation;
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
UsesCacheForTextureHolders);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
UsesCacheForTextureHolders2);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
MarksContextLostOnContextLost);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
MarksContextLostOnContextLost2);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
RemovesTextureHoldersOnContextDestroy);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
FindsCompatibleContextAndReusesTexture);
FRIEND_TEST_ALL_PREFIXES(OzoneImageBackingFactoryTest,
CorrectlyDestroysAndMarksContextLost);
void FlushAndSubmitIfNecessary(
std::vector<GrBackendSemaphore> signal_semaphores,
SharedContextState* const shared_context_state);
bool BeginAccess(bool readonly,
AccessStream access_stream,
std::vector<gfx::GpuFenceHandle>* fences,
bool& need_end_fence);
void EndAccess(bool readonly,
AccessStream access_stream,
gfx::GpuFenceHandle fence);
scoped_refptr<OzoneImageGLTexturesHolder> RetainGLTexturePerContextCache();
// gl::GLContext::GLContextObserver:
void OnGLContextLost(gl::GLContext* context) override;
void OnGLContextWillDestroy(gl::GLContext* context) override;
void OnGLContextLostOrDestroy(gl::GLContext* context, bool mark_context_lost);
// Returns a GpuMemoryBufferHandle for a single plane of the backing pixmap.
gfx::GpuMemoryBufferHandle GetSinglePlaneGpuMemoryBufferHandle(
uint32_t index);
void DestroyTexturesOnContext(OzoneImageGLTexturesHolder* holder,
gl::GLContext* context);
#if BUILDFLAG(USE_DAWN)
bool UploadFromMemoryGraphite(const std::vector<SkPixmap>& pixmaps);
#endif // BUILDFLAG(USE_DAWN)
uint32_t reads_in_progress_ = 0;
bool is_write_in_progress_ = false;
int write_streams_count_;
scoped_refptr<gfx::NativePixmap> pixmap_;
// Per-context texture holders that are cached to reduce the number of
// allocations/deallocations of textures and their EGLImages. That's
// especially handy for raster tasks as there can be tens of tasks resulting
// in creation and destruction of EGLImages, which is costly.
std::map<gl::GLContext*, scoped_refptr<OzoneImageGLTexturesHolder>>
per_context_cached_textures_holders_;
// Write fence that is external and does not do Begin/EndAccess (eg. exo)
gfx::GpuFenceHandle external_write_fence_;
gfx::GpuFenceHandle write_fence_;
base::flat_map<AccessStream, gfx::GpuFenceHandle> read_fences_;
AccessStream last_write_stream_;
scoped_refptr<SharedContextState> context_state_;
const GpuDriverBugWorkarounds workarounds_;
const bool imported_from_exo_ = false;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_OZONE_IMAGE_BACKING_H_
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