framework/randomshaders/rsgProgramExecutor.hpp

   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