| // 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_VertexProcessor_hpp |
| #define sw_VertexProcessor_hpp |
| |
| #include "Context.hpp" |
| #include "Memset.hpp" |
| #include "RoutineCache.hpp" |
| #include "Vertex.hpp" |
| #include "Pipeline/SpirvShader.hpp" |
| |
| #include <memory> |
| |
| namespace sw { |
| |
| struct DrawData; |
| |
| // Basic direct mapped vertex cache. |
| struct VertexCache |
| { |
| static constexpr uint32_t SIZE = 64; // TODO: Variable size? |
| static constexpr uint32_t TAG_MASK = SIZE - 1; // Size must be power of 2. |
| |
| void clear(); |
| |
| Vertex vertex[SIZE]; |
| uint32_t tag[SIZE]; |
| |
| // Identifier of the draw call for the cache data. If this cache is |
| // used with a different draw call, then the cache should be invalidated |
| // before use. |
| int drawCall = -1; |
| }; |
| |
| struct VertexTask |
| { |
| unsigned int vertexCount; |
| unsigned int primitiveStart; |
| VertexCache vertexCache; |
| }; |
| |
| using VertexRoutineFunction = FunctionT<void(Vertex *output, unsigned int *batch, VertexTask *vertextask, DrawData *draw)>; |
| |
| class VertexProcessor |
| { |
| public: |
| struct States : Memset<States> |
| { |
| States() |
| : Memset(this, 0) |
| {} |
| |
| uint32_t computeHash(); |
| |
| uint64_t shaderID; |
| uint32_t pipelineLayoutIdentifier; |
| |
| struct Input |
| { |
| operator bool() const // Returns true if stream contains data |
| { |
| return format != VK_FORMAT_UNDEFINED; |
| } |
| |
| VkFormat format; // TODO(b/148016460): Could be restricted to VK_FORMAT_END_RANGE |
| unsigned int attribType : BITS(SpirvShader::ATTRIBTYPE_LAST); |
| }; |
| |
| Input input[MAX_INTERFACE_COMPONENTS / 4]; |
| bool robustBufferAccess : 1; |
| bool isPoint : 1; |
| bool depthClipEnable : 1; |
| }; |
| |
| struct State : States |
| { |
| bool operator==(const State &state) const; |
| |
| uint32_t hash; |
| }; |
| |
| using RoutineType = VertexRoutineFunction::RoutineType; |
| |
| VertexProcessor(); |
| |
| const State update(const vk::GraphicsState &pipelineState, const sw::SpirvShader *vertexShader, const vk::Inputs &inputs); |
| RoutineType routine(const State &state, vk::PipelineLayout const *pipelineLayout, |
| SpirvShader const *vertexShader, const vk::DescriptorSet::Bindings &descriptorSets); |
| |
| void setRoutineCacheSize(int cacheSize); |
| |
| private: |
| using RoutineCacheType = RoutineCache<State, VertexRoutineFunction::CFunctionType>; |
| std::unique_ptr<RoutineCacheType> routineCache; |
| }; |
| |
| } // namespace sw |
| |
| namespace std { |
| |
| template<> |
| struct hash<sw::VertexProcessor::State> |
| { |
| uint64_t operator()(const sw::VertexProcessor::State &state) const |
| { |
| return state.hash; |
| } |
| }; |
| |
| } // namespace std |
| |
| #endif // sw_VertexProcessor_hpp |