| // 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_INPUTSTATE_H_ |
| #define DAWNNATIVE_INPUTSTATE_H_ |
| |
| #include "common/Constants.h" |
| #include "dawn_native/Builder.h" |
| #include "dawn_native/Forward.h" |
| #include "dawn_native/ObjectBase.h" |
| |
| #include "dawn_native/dawn_platform.h" |
| |
| #include <array> |
| #include <bitset> |
| |
| namespace dawn_native { |
| |
| size_t IndexFormatSize(dawn::IndexFormat format); |
| uint32_t VertexFormatNumComponents(dawn::VertexFormat format); |
| size_t VertexFormatComponentSize(dawn::VertexFormat format); |
| size_t VertexFormatSize(dawn::VertexFormat format); |
| |
| class InputStateBase : public ObjectBase { |
| public: |
| InputStateBase(InputStateBuilder* builder); |
| |
| struct AttributeInfo { |
| uint32_t bindingSlot; |
| dawn::VertexFormat format; |
| uint32_t offset; |
| }; |
| |
| struct InputInfo { |
| uint32_t stride; |
| dawn::InputStepMode stepMode; |
| }; |
| |
| const std::bitset<kMaxVertexAttributes>& GetAttributesSetMask() const; |
| const AttributeInfo& GetAttribute(uint32_t location) const; |
| const std::bitset<kMaxVertexInputs>& GetInputsSetMask() const; |
| const InputInfo& GetInput(uint32_t slot) const; |
| |
| private: |
| std::bitset<kMaxVertexAttributes> mAttributesSetMask; |
| std::array<AttributeInfo, kMaxVertexAttributes> mAttributeInfos; |
| std::bitset<kMaxVertexInputs> mInputsSetMask; |
| std::array<InputInfo, kMaxVertexInputs> mInputInfos; |
| }; |
| |
| class InputStateBuilder : public Builder<InputStateBase> { |
| public: |
| InputStateBuilder(DeviceBase* device); |
| |
| // Dawn API |
| void SetAttribute(uint32_t shaderLocation, |
| uint32_t bindingSlot, |
| dawn::VertexFormat format, |
| uint32_t offset); |
| void SetInput(uint32_t bindingSlot, uint32_t stride, dawn::InputStepMode stepMode); |
| |
| private: |
| friend class InputStateBase; |
| |
| InputStateBase* GetResultImpl() override; |
| |
| std::bitset<kMaxVertexAttributes> mAttributesSetMask; |
| std::array<InputStateBase::AttributeInfo, kMaxVertexAttributes> mAttributeInfos; |
| std::bitset<kMaxVertexInputs> mInputsSetMask; |
| std::array<InputStateBase::InputInfo, kMaxVertexInputs> mInputInfos; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_INPUTSTATE_H_ |