1#ifndef _GLSSHADEREXECUTIL_HPP 2#define _GLSSHADEREXECUTIL_HPP 3/*------------------------------------------------------------------------- 4 * drawElements Quality Program OpenGL (ES) Module 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 Shader execution utilities. 24 *//*--------------------------------------------------------------------*/ 25 26#include "tcuDefs.hpp" 27#include "gluVarType.hpp" 28#include "gluShaderUtil.hpp" 29 30namespace tcu 31{ 32class TestLog; 33} 34 35namespace glu 36{ 37class RenderContext; 38} 39 40namespace deqp 41{ 42namespace gls 43{ 44namespace ShaderExecUtil 45{ 46 47//! Shader input / output variable declaration. 48struct Symbol 49{ 50 std::string name; //!< Symbol name. 51 glu::VarType varType; //!< Symbol type. 52 53 Symbol (void) {} 54 Symbol (const std::string& name_, const glu::VarType& varType_) : name(name_), varType(varType_) {} 55}; 56 57//! Complete shader specification. 58struct ShaderSpec 59{ 60 glu::GLSLVersion version; //!< Shader version. 61 std::vector<Symbol> inputs; 62 std::vector<Symbol> outputs; 63 std::string globalDeclarations; //!< These are placed into global scope. Can contain uniform declarations for example. 64 std::string source; //!< Source snippet to be executed. 65 66 ShaderSpec (void) : version(glu::GLSL_VERSION_300_ES) {} 67}; 68 69//! Base class for shader executor. 70class ShaderExecutor 71{ 72public: 73 virtual ~ShaderExecutor (void); 74 75 //! Check if executor can be used. 76 virtual bool isOk (void) const = 0; 77 78 //! Log executor details (program etc.). 79 virtual void log (tcu::TestLog& log) const = 0; 80 81 //! Get program. 82 virtual deUint32 getProgram (void) const = 0; 83 84 //! Set this shader program current in context. Must be called before execute(). 85 virtual void useProgram (void); 86 87 //! Execute active program. useProgram() must be called before this. 88 virtual void execute (int numValues, const void* const* inputs, void* const* outputs) = 0; 89 90protected: 91 ShaderExecutor (const glu::RenderContext& renderCtx, const ShaderSpec& shaderSpec); 92 93 const glu::RenderContext& m_renderCtx; 94 95 std::vector<Symbol> m_inputs; 96 std::vector<Symbol> m_outputs; 97}; 98 99inline tcu::TestLog& operator<< (tcu::TestLog& log, const ShaderExecutor* executor) { executor->log(log); return log; } 100inline tcu::TestLog& operator<< (tcu::TestLog& log, const ShaderExecutor& executor) { executor.log(log); return log; } 101 102ShaderExecutor* createExecutor (const glu::RenderContext& renderCtx, glu::ShaderType shaderType, const ShaderSpec& shaderSpec); 103 104} // ShaderExecUtil 105} // gls 106} // deqp 107 108#endif // _GLSSHADEREXECUTIL_HPP 109