| // 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_ |