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      1 #ifndef _RSGPROGRAMEXECUTOR_HPP
      2 #define _RSGPROGRAMEXECUTOR_HPP
      3 /*-------------------------------------------------------------------------
      4  * drawElements Quality Program Random Shader Generator
      5  * ----------------------------------------------------
      6  *
      7  * Copyright 2014 The Android Open Source Project
      8  *
      9  * Licensed under the Apache License, Version 2.0 (the "License");
     10  * you may not use this file except in compliance with the License.
     11  * You may obtain a copy of the License at
     12  *
     13  *      http://www.apache.org/licenses/LICENSE-2.0
     14  *
     15  * Unless required by applicable law or agreed to in writing, software
     16  * distributed under the License is distributed on an "AS IS" BASIS,
     17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     18  * See the License for the specific language governing permissions and
     19  * limitations under the License.
     20  *
     21  *//*!
     22  * \file
     23  * \brief Program Executor.
     24  *//*--------------------------------------------------------------------*/
     25 
     26 #include "rsgDefs.hpp"
     27 #include "rsgShader.hpp"
     28 #include "rsgVariableValue.hpp"
     29 #include "tcuTexture.hpp"
     30 #include "rsgSamplers.hpp"
     31 
     32 #include <vector>
     33 
     34 namespace tcu
     35 {
     36 class Surface;
     37 }
     38 
     39 namespace rsg
     40 {
     41 
     42 class ProgramExecutor
     43 {
     44 public:
     45 								ProgramExecutor			(const tcu::PixelBufferAccess& dst, int gridWidth, int gridHeight);
     46 								~ProgramExecutor		(void);
     47 
     48 	void						setTexture				(int samplerNdx, const tcu::Texture2D* texture, const tcu::Sampler& sampler);
     49 	void						setTexture				(int samplerNdx, const tcu::TextureCube* texture, const tcu::Sampler& sampler);
     50 
     51 	void						execute					(const Shader& vertexShader, const Shader& fragmentShader, const std::vector<VariableValue>& uniforms);
     52 
     53 private:
     54 	tcu::PixelBufferAccess		m_dst;
     55 	int							m_gridWidth;
     56 	int							m_gridHeight;
     57 
     58 	Sampler2DMap				m_samplers2D;
     59 	SamplerCubeMap				m_samplersCube;
     60 };
     61 
     62 inline void getVertexInterpolationCoords (float& xd, float& yd, float x, float y, int inputElementNdx)
     63 {
     64 	if (inputElementNdx % 4 < 2)
     65 		xd = x;
     66 	else
     67 		xd = 1.0f - x;
     68 
     69 	if (inputElementNdx % 2 == 0)
     70 		yd = y;
     71 	else
     72 		yd = 1.0f - y;
     73 }
     74 
     75 } // rsg
     76 
     77 #endif // _RSGPROGRAMEXECUTOR_HPP
     78