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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_METAL_CONTEXT_PROVIDER_H_
#define GPU_COMMAND_BUFFER_SERVICE_METAL_CONTEXT_PROVIDER_H_
#include <memory>
#include "gpu/gpu_gles2_export.h"
#include "third_party/skia/include/gpu/graphite/ContextOptions.h"
#include "third_party/skia/include/gpu/graphite/mtl/MtlGraphiteTypes.h"
#if __OBJC__
@protocol MTLDevice;
#endif // __OBJC__
namespace gpu {
class GraphiteSharedContext;
class GpuProcessShmCount;
} // namespace gpu
namespace viz {
// The MetalContextProvider provides a Metal-backed GraphiteSharedContext.
class GPU_GLES2_EXPORT MetalContextProvider {
public:
// Create and return a MetalContextProvider if possible. May return nullptr
// if no Metal devices exist.
static std::unique_ptr<MetalContextProvider> Create();
MetalContextProvider(const MetalContextProvider&) = delete;
MetalContextProvider& operator=(const MetalContextProvider&) = delete;
~MetalContextProvider();
bool InitializeGraphiteContext(
const skgpu::graphite::ContextOptions& options,
gpu::GpuProcessShmCount* use_shader_cache_shm_count);
int32_t GetMaxTextureSize() const;
gpu::GraphiteSharedContext* GetGraphiteSharedContext() const;
#if __OBJC__
id<MTLDevice> GetMTLDevice() const;
#endif // __OBJC__
private:
#if __OBJC__
explicit MetalContextProvider(id<MTLDevice> device);
#endif // __OBJC__
struct ObjCStorage;
std::unique_ptr<ObjCStorage> objc_storage_;
};
} // namespace viz
#endif // GPU_COMMAND_BUFFER_SERVICE_METAL_CONTEXT_PROVIDER_H_
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