| // 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_QuadRasterizer_hpp |
| #define sw_QuadRasterizer_hpp |
| |
| #include "Rasterizer.hpp" |
| #include "Pipeline/ShaderCore.hpp" |
| #include "Pipeline/SpirvShader.hpp" |
| #include "System/Types.hpp" |
| |
| namespace sw { |
| |
| class QuadRasterizer : public Rasterizer |
| { |
| public: |
| QuadRasterizer(const PixelProcessor::State &state, SpirvShader const *spirvShader); |
| virtual ~QuadRasterizer(); |
| |
| void generate(); |
| |
| protected: |
| Pointer<Byte> constants; |
| |
| SIMD::Float Dz[4]; |
| SIMD::Float Dw; |
| SIMD::Float Dv[MAX_INTERFACE_COMPONENTS]; |
| SIMD::Float Df; |
| SIMD::Float DclipDistance[MAX_CLIP_DISTANCES]; |
| SIMD::Float DcullDistance[MAX_CULL_DISTANCES]; |
| |
| UInt occlusion; |
| |
| virtual void quad(Pointer<Byte> cBuffer[4], Pointer<Byte> &zBuffer, Pointer<Byte> &sBuffer, Int cMask[4], Int &x, Int &y) = 0; |
| |
| bool interpolateZ() const; |
| bool interpolateW() const; |
| SIMD::Float interpolate(SIMD::Float &x, SIMD::Float &D, SIMD::Float &rhw, Pointer<Byte> planeEquation, bool flat, bool perspective); |
| |
| const PixelProcessor::State &state; |
| const SpirvShader *const spirvShader; |
| |
| private: |
| void rasterize(Int &yMin, Int &yMax); |
| }; |
| |
| } // namespace sw |
| |
| #endif // sw_QuadRasterizer_hpp |