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      1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //    http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 #ifndef sw_VertexPipeline_hpp
     16 #define sw_VertexPipeline_hpp
     17 
     18 #include "VertexRoutine.hpp"
     19 
     20 #include "Context.hpp"
     21 #include "VertexProcessor.hpp"
     22 
     23 namespace sw
     24 {
     25 	class VertexPipeline : public VertexRoutine
     26 	{
     27 	public:
     28 		VertexPipeline(const VertexProcessor::State &state);
     29 
     30 		virtual ~VertexPipeline();
     31 
     32 	private:
     33 		void pipeline(UInt &index) override;
     34 		void processTextureCoordinate(int stage, Vector4f &normal, Vector4f &position);
     35 		void processPointSize();
     36 
     37 		Vector4f transformBlend(const Register &src, const Pointer<Byte> &matrix, bool homogenous);
     38 		Vector4f transform(const Register &src, const Pointer<Byte> &matrix, bool homogenous);
     39 		Vector4f transform(const Register &src, const Pointer<Byte> &matrix, UInt index[4], bool homogenous);
     40 		Vector4f normalize(Vector4f &src);
     41 		Float4 power(Float4 &src0, Float4 &src1);
     42 	};
     43 };
     44 
     45 #endif   // sw_VertexPipeline_hpp
     46