| // 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 SRC_DAWN_NATIVE_PIPELINELAYOUT_H_ |
| #define SRC_DAWN_NATIVE_PIPELINELAYOUT_H_ |
| |
| #include <array> |
| #include <bitset> |
| #include <string> |
| #include <vector> |
| |
| #include "dawn/common/Constants.h" |
| #include "dawn/common/ityp_array.h" |
| #include "dawn/common/ityp_bitset.h" |
| #include "dawn/native/BindingInfo.h" |
| #include "dawn/native/CachedObject.h" |
| #include "dawn/native/Error.h" |
| #include "dawn/native/Forward.h" |
| #include "dawn/native/ObjectBase.h" |
| |
| #include "dawn/native/dawn_platform.h" |
| |
| namespace dawn::native { |
| |
| MaybeError ValidatePipelineLayoutDescriptor( |
| DeviceBase*, |
| const PipelineLayoutDescriptor* descriptor, |
| PipelineCompatibilityToken pipelineCompatibilityToken = PipelineCompatibilityToken(0)); |
| |
| using BindGroupLayoutArray = ityp::array<BindGroupIndex, Ref<BindGroupLayoutBase>, kMaxBindGroups>; |
| using BindGroupLayoutMask = ityp::bitset<BindGroupIndex, kMaxBindGroups>; |
| |
| struct StageAndDescriptor { |
| SingleShaderStage shaderStage; |
| ShaderModuleBase* module; |
| std::string entryPoint; |
| uint32_t constantCount = 0u; |
| ConstantEntry const* constants = nullptr; |
| }; |
| |
| class PipelineLayoutBase : public ApiObjectBase, public CachedObject { |
| public: |
| PipelineLayoutBase(DeviceBase* device, |
| const PipelineLayoutDescriptor* descriptor, |
| ApiObjectBase::UntrackedByDeviceTag tag); |
| PipelineLayoutBase(DeviceBase* device, const PipelineLayoutDescriptor* descriptor); |
| ~PipelineLayoutBase() override; |
| |
| static PipelineLayoutBase* MakeError(DeviceBase* device, const char* label); |
| static ResultOrError<Ref<PipelineLayoutBase>> CreateDefault( |
| DeviceBase* device, |
| std::vector<StageAndDescriptor> stages); |
| |
| ObjectType GetType() const override; |
| |
| const BindGroupLayoutBase* GetBindGroupLayout(BindGroupIndex group) const; |
| BindGroupLayoutBase* GetBindGroupLayout(BindGroupIndex group); |
| const BindGroupLayoutMask& GetBindGroupLayoutsMask() const; |
| |
| // Utility functions to compute inherited bind groups. |
| // Returns the inherited bind groups as a mask. |
| BindGroupLayoutMask InheritedGroupsMask(const PipelineLayoutBase* other) const; |
| |
| // Returns the index of the first incompatible bind group in the range |
| // [0, kMaxBindGroups] |
| BindGroupIndex GroupsInheritUpTo(const PipelineLayoutBase* other) const; |
| |
| // Functions necessary for the unordered_set<PipelineLayoutBase*>-based cache. |
| size_t ComputeContentHash() override; |
| |
| struct EqualityFunc { |
| bool operator()(const PipelineLayoutBase* a, const PipelineLayoutBase* b) const; |
| }; |
| |
| protected: |
| PipelineLayoutBase(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label); |
| void DestroyImpl() override; |
| |
| BindGroupLayoutArray mBindGroupLayouts; |
| BindGroupLayoutMask mMask; |
| }; |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_PIPELINELAYOUT_H_ |