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// Copyright 2018 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 SRC_DAWN_NATIVE_VULKAN_PIPELINELAYOUTVK_H_
#define SRC_DAWN_NATIVE_VULKAN_PIPELINELAYOUTVK_H_
#include "dawn/native/PipelineLayout.h"
#include "dawn/common/vulkan_platform.h"
#include "dawn/native/Error.h"
namespace dawn::native::vulkan {
class Device;
// 8 bytes of push constant data are always reserved in the Vulkan pipeline layouts to be used by
// the code generated by the ClampFragDepth Tint transform. TODO(dawn:1576): Optimize usage of push
// constants so that they are only added to a pipeline / pipeline layout if needed.
struct ClampFragDepthArgs {
float min;
float max;
};
constexpr size_t kClampFragDepthArgsOffset = 0u;
constexpr size_t kClampFragDepthArgsSize = sizeof(ClampFragDepthArgs);
static_assert(kClampFragDepthArgsSize == 8u);
class PipelineLayout final : public PipelineLayoutBase {
public:
static ResultOrError<Ref<PipelineLayout>> Create(Device* device,
const PipelineLayoutDescriptor* descriptor);
VkPipelineLayout GetHandle() const;
// Friend definition of StreamIn which can be found by ADL to override stream::StreamIn<T>.
friend void StreamIn(stream::Sink* sink, const PipelineLayout& obj) {
StreamIn(sink, static_cast<const CachedObject&>(obj));
}
private:
~PipelineLayout() override;
void DestroyImpl() override;
using PipelineLayoutBase::PipelineLayoutBase;
MaybeError Initialize();
// Dawn API
void SetLabelImpl() override;
VkPipelineLayout mHandle = VK_NULL_HANDLE;
};
} // namespace dawn::native::vulkan
#endif // SRC_DAWN_NATIVE_VULKAN_PIPELINELAYOUTVK_H_