| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // 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 sw_VertexRoutine_hpp |
| #define sw_VertexRoutine_hpp |
| |
| #include "ShaderCore.hpp" |
| #include "SpirvShader.hpp" |
| #include "Device/VertexProcessor.hpp" |
| |
| namespace vk { |
| class PipelineLayout; |
| } |
| |
| namespace sw { |
| |
| class VertexRoutinePrototype : public VertexRoutineFunction |
| { |
| public: |
| VertexRoutinePrototype() |
| : vertex(Arg<0>()) |
| , batch(Arg<1>()) |
| , task(Arg<2>()) |
| , data(Arg<3>()) |
| {} |
| virtual ~VertexRoutinePrototype() {} |
| |
| protected: |
| Pointer<Byte> vertex; |
| Pointer<UInt> batch; |
| Pointer<Byte> task; |
| Pointer<Byte> data; |
| }; |
| |
| class VertexRoutine : public VertexRoutinePrototype |
| { |
| public: |
| VertexRoutine( |
| const VertexProcessor::State &state, |
| vk::PipelineLayout const *pipelineLayout, |
| SpirvShader const *spirvShader); |
| virtual ~VertexRoutine(); |
| |
| void generate(); |
| |
| protected: |
| Pointer<Byte> constants; |
| |
| Int clipFlags; |
| Int cullMask; |
| |
| SpirvRoutine routine; |
| |
| const VertexProcessor::State &state; |
| SpirvShader const *const spirvShader; |
| |
| private: |
| virtual void program(Pointer<UInt> &batch, UInt &vertexCount) = 0; |
| |
| typedef VertexProcessor::State::Input Stream; |
| |
| Vector4f readStream(Pointer<Byte> &buffer, UInt &stride, const Stream &stream, Pointer<UInt> &batch, |
| bool robustBufferAccess, UInt &robustnessSize, Int baseVertex); |
| void readInput(Pointer<UInt> &batch); |
| void computeClipFlags(); |
| void computeCullMask(); |
| void writeCache(Pointer<Byte> &vertexCache, Pointer<UInt> &tagCache, Pointer<UInt> &batch); |
| void writeVertex(const Pointer<Byte> &vertex, Pointer<Byte> &cacheEntry); |
| }; |
| |
| } // namespace sw |
| |
| #endif // sw_VertexRoutine_hpp |