| // 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_BINDGROUPLAYOUT_H_ |
| #define DAWNNATIVE_BINDGROUPLAYOUT_H_ |
| |
| #include "common/Constants.h" |
| #include "dawn_native/Error.h" |
| #include "dawn_native/Forward.h" |
| #include "dawn_native/ObjectBase.h" |
| |
| #include "dawn_native/dawn_platform.h" |
| |
| #include <array> |
| #include <bitset> |
| |
| namespace dawn_native { |
| |
| MaybeError ValidateBindGroupLayoutDescriptor(DeviceBase*, |
| const BindGroupLayoutDescriptor* descriptor); |
| |
| class BindGroupLayoutBase : public ObjectBase { |
| public: |
| BindGroupLayoutBase(DeviceBase* device, |
| const BindGroupLayoutDescriptor* descriptor, |
| bool blueprint = false); |
| ~BindGroupLayoutBase() override; |
| |
| struct LayoutBindingInfo { |
| std::array<dawn::ShaderStageBit, kMaxBindingsPerGroup> visibilities; |
| std::array<dawn::BindingType, kMaxBindingsPerGroup> types; |
| std::bitset<kMaxBindingsPerGroup> mask; |
| }; |
| const LayoutBindingInfo& GetBindingInfo() const; |
| |
| private: |
| LayoutBindingInfo mBindingInfo; |
| bool mIsBlueprint = false; |
| }; |
| |
| // Implements the functors necessary for the unordered_set<BGL*>-based cache. |
| struct BindGroupLayoutCacheFuncs { |
| // The hash function |
| size_t operator()(const BindGroupLayoutBase* bgl) const; |
| |
| // The equality predicate |
| bool operator()(const BindGroupLayoutBase* a, const BindGroupLayoutBase* b) const; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_BINDGROUPLAYOUT_H_ |