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 "Renderer/Context.hpp"
21#include "Renderer/VertexProcessor.hpp"
22
23namespace 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