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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_DAWN_CONTEXT_PROVIDER_H_
#define GPU_COMMAND_BUFFER_SERVICE_DAWN_CONTEXT_PROVIDER_H_
#include <dawn/platform/DawnPlatform.h>
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "build/build_config.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/service/dawn_caching_interface.h"
#include "gpu/config/gpu_driver_bug_workarounds.h"
#include "gpu/config/gpu_preferences.h"
#include "gpu/gpu_gles2_export.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/dawn/include/dawn/native/DawnNative.h"
#include "third_party/skia/include/gpu/graphite/ContextOptions.h"
#include "third_party/skia/include/gpu/graphite/dawn/DawnTypes.h"
#if BUILDFLAG(IS_WIN)
#include <d3d11.h>
#include <wrl/client.h>
#endif
namespace skgpu::graphite {
class Context;
} // namespace skgpu::graphite
namespace gpu {
namespace webgpu {
class DawnInstance;
} // namespace webgpu
class GPU_GLES2_EXPORT DawnContextProvider {
public:
using CacheBlobCallback = webgpu::DawnCachingInterface::CacheBlobCallback;
static std::unique_ptr<DawnContextProvider> Create(
const GpuPreferences& gpu_preferences = GpuPreferences(),
const GpuDriverBugWorkarounds& gpu_driver_workarounds =
GpuDriverBugWorkarounds(),
webgpu::DawnCachingInterfaceFactory* caching_interface_factory = nullptr,
CacheBlobCallback callback = {});
static std::unique_ptr<DawnContextProvider> CreateWithBackend(
wgpu::BackendType backend_type,
bool force_fallback_adapter = false,
const GpuPreferences& gpu_preferences = GpuPreferences(),
const GpuDriverBugWorkarounds& gpu_driver_workarounds =
GpuDriverBugWorkarounds(),
webgpu::DawnCachingInterfaceFactory* caching_interface_factory = nullptr,
CacheBlobCallback callback = {});
static wgpu::BackendType GetDefaultBackendType();
static bool DefaultForceFallbackAdapter();
DawnContextProvider(const DawnContextProvider&) = delete;
DawnContextProvider& operator=(const DawnContextProvider&) = delete;
~DawnContextProvider();
wgpu::Device GetDevice() const { return device_; }
wgpu::BackendType backend_type() const { return backend_type_; }
bool is_vulkan_swiftshader_adapter() const {
return is_vulkan_swiftshader_adapter_;
}
wgpu::Instance GetInstance() const;
bool InitializeGraphiteContext(
const skgpu::graphite::ContextOptions& options);
skgpu::graphite::Context* GetGraphiteContext() const {
return graphite_context_.get();
}
webgpu::DawnCachingInterfaceFactory* caching_interface_factory() const {
return caching_interface_factory_.get();
}
#if BUILDFLAG(IS_WIN)
Microsoft::WRL::ComPtr<ID3D11Device> GetD3D11Device() const;
#endif
bool SupportsFeature(wgpu::FeatureName feature);
absl::optional<error::ContextLostReason> GetResetStatus() const;
void OnError(WGPUErrorType error_type, const char* message);
private:
explicit DawnContextProvider(
webgpu::DawnCachingInterfaceFactory* caching_interface_factory);
bool Initialize(wgpu::BackendType backend_type,
bool force_fallback_adapter,
const GpuPreferences& gpu_preferences,
const GpuDriverBugWorkarounds& gpu_driver_workarounds,
CacheBlobCallback callback);
raw_ptr<webgpu::DawnCachingInterfaceFactory> caching_interface_factory_;
std::unique_ptr<dawn::platform::Platform> platform_;
std::unique_ptr<webgpu::DawnInstance> instance_;
wgpu::Device device_;
wgpu::BackendType backend_type_;
bool is_vulkan_swiftshader_adapter_ = false;
std::unique_ptr<skgpu::graphite::Context> graphite_context_;
mutable base::Lock context_lost_lock_;
absl::optional<error::ContextLostReason> context_lost_reason_
GUARDED_BY(context_lost_lock_);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_DAWN_CONTEXT_PROVIDER_H_
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