// 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 BACKEND_METAL_PIPELINELAYOUTMTL_H_
#define BACKEND_METAL_PIPELINELAYOUTMTL_H_

#include "backend/PipelineLayout.h"

#include "backend/PerStage.h"

#import <Metal/Metal.h>

namespace spirv_cross {
    class CompilerMSL;
}

namespace backend { namespace metal {

    class Device;

    class PipelineLayout : public PipelineLayoutBase {
      public:
        PipelineLayout(Device* device, const dawn::PipelineLayoutDescriptor* descriptor);

        using BindingIndexInfo =
            std::array<std::array<uint32_t, kMaxBindingsPerGroup>, kMaxBindGroups>;
        const BindingIndexInfo& GetBindingIndexInfo(dawn::ShaderStage stage) const;

      private:
        PerStage<BindingIndexInfo> mIndexInfo;
    };

}}  // namespace backend::metal

#endif  // BACKEND_METAL_PIPELINELAYOUTMTL_H_