1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program Random Shader Generator 3 * ---------------------------------------------------- 4 * 5 * Copyright 2014 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 *//*! 20 * \file 21 * \brief Random Shader Generator Tester. 22 *//*--------------------------------------------------------------------*/ 23 24 #include "rsgProgramGenerator.hpp" 25 #include "rsgProgramExecutor.hpp" 26 #include "tcuSurface.hpp" 27 #include "tcuImageIO.hpp" 28 #include "rsgUtils.hpp" 29 #include "deStringUtil.hpp" 30 31 #include <iostream> 32 #include <string> 33 #include <cstdio> 34 35 using std::string; 36 37 void runTest (deUint32 seed) 38 { 39 printf("Seed: %d\n", seed); 40 41 // Generate test program 42 try 43 { 44 rsg::ProgramParameters programParams; 45 46 programParams.seed = seed; 47 programParams.fragmentParameters.randomize = true; 48 programParams.fragmentParameters.maxStatementDepth = 3; 49 50 rsg::Shader vertexShader(rsg::Shader::TYPE_VERTEX); 51 rsg::Shader fragmentShader(rsg::Shader::TYPE_FRAGMENT); 52 53 rsg::ProgramGenerator generator; 54 generator.generate(programParams, vertexShader, fragmentShader); 55 56 std::cout << "Vertex shader:\n--\n" << vertexShader.getSource() << "--\n"; 57 std::cout << "Fragment shader:\n--\n" << fragmentShader.getSource() << "--\n"; 58 59 // Uniforms 60 std::vector<const rsg::ShaderInput*> uniforms; 61 std::vector<rsg::VariableValue> uniformValues; 62 de::Random rnd(seed); 63 rsg::computeUnifiedUniforms(vertexShader, fragmentShader, uniforms); 64 rsg::computeUniformValues(rnd, uniformValues, uniforms); 65 66 // Render image 67 tcu::Surface surface(64, 64); 68 rsg::ProgramExecutor executor(surface.getAccess(), 3, 5); 69 70 executor.execute(vertexShader, fragmentShader, uniformValues); 71 72 string fileName = string("test-") + de::toString(seed) + ".png"; 73 tcu::ImageIO::savePNG(surface.getAccess(), fileName.c_str()); 74 std::cout << fileName << " written\n"; 75 } 76 catch (const std::exception& e) 77 { 78 printf("Failed: %s\n", e.what()); 79 } 80 } 81 82 int main (int argc, const char* const* argv) 83 { 84 DE_UNREF(argc && argv); 85 86 for (int seed = 0; seed < 10; seed++) 87 runTest(seed); 88 89 return 0; 90 } 91