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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_METAL_COMPUTEPIPELINEMTL_H_
#define DAWNNATIVE_METAL_COMPUTEPIPELINEMTL_H_
#include "dawn_native/ComputePipeline.h"
#include "common/NSRef.h"
#import <Metal/Metal.h>
namespace dawn_native { namespace metal {
class Device;
class ComputePipeline final : public ComputePipelineBase {
public:
static Ref<ComputePipeline> CreateUninitialized(
Device* device,
const ComputePipelineDescriptor* descriptor);
static void InitializeAsync(Ref<ComputePipelineBase> computePipeline,
WGPUCreateComputePipelineAsyncCallback callback,
void* userdata);
void Encode(id<MTLComputeCommandEncoder> encoder);
MTLSize GetLocalWorkGroupSize() const;
bool RequiresStorageBufferLength() const;
private:
using ComputePipelineBase::ComputePipelineBase;
MaybeError Initialize() override;
NSPRef<id<MTLComputePipelineState>> mMtlComputePipelineState;
MTLSize mLocalWorkgroupSize;
bool mRequiresStorageBufferLength;
std::vector<uint32_t> mWorkgroupAllocations;
};
}} // namespace dawn_native::metal
#endif // DAWNNATIVE_METAL_COMPUTEPIPELINEMTL_H_