1 /* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SHADER_H_ 18 #define SHADER_H_ 19 20 #include <jni.h> 21 22 #include <vector> 23 #include <map> 24 #include <string> 25 26 #include <EGL/egl.h> 27 #include <GLES/gl.h> 28 29 #include <android/log.h> 30 31 #include "JNIHelper.h" 32 33 namespace ndk_helper 34 { 35 36 namespace shader 37 { 38 39 /****************************************************************** 40 * Shader compiler helper 41 * namespace: ndkHelper::shader 42 * 43 */ 44 45 /****************************************************************** 46 * CompileShader() with vector 47 * 48 * arguments: 49 * out: shader, shader variable 50 * in: type, shader type (i.e. GL_VERTEX_SHADER/GL_FRAGMENT_SHADER) 51 * in: data, source vector 52 * return: true if a shader compilation succeeded, false if it failed 53 * 54 */ 55 bool CompileShader( GLuint *shader, const GLenum type, std::vector<uint8_t>& data ); 56 57 /****************************************************************** 58 * CompileShader() with buffer 59 * 60 * arguments: 61 * out: shader, shader variable 62 * in: type, shader type (i.e. GL_VERTEX_SHADER/GL_FRAGMENT_SHADER) 63 * in: source, source buffer 64 * in: iSize, buffer size 65 * return: true if a shader compilation succeeded, false if it failed 66 * 67 */ 68 bool CompileShader( GLuint *shader, 69 const GLenum type, 70 const GLchar *source, 71 const int32_t iSize ); 72 73 /****************************************************************** 74 * CompileShader() with filename 75 * 76 * arguments: 77 * out: shader, shader variable 78 * in: type, shader type (i.e. GL_VERTEX_SHADER/GL_FRAGMENT_SHADER) 79 * in: strFilename, filename 80 * return: true if a shader compilation succeeded, false if it failed 81 * 82 */ 83 bool CompileShader( GLuint *shader, const GLenum type, const char *strFileName ); 84 85 /****************************************************************** 86 * CompileShader() with std::map helps patching on a shader on the fly. 87 * 88 * arguments: 89 * out: shader, shader variable 90 * in: type, shader type (i.e. GL_VERTEX_SHADER/GL_FRAGMENT_SHADER) 91 * in: mapParameters 92 * For a example, 93 * map : %KEY% -> %VALUE% replaces all %KEY% entries in the given shader code to %VALUE" 94 * return: true if a shader compilation succeeded, false if it failed 95 * 96 */ 97 bool CompileShader( GLuint *shader, 98 const GLenum type, 99 const char *str_file_name, 100 const std::map<std::string, std::string>& map_parameters ); 101 102 /****************************************************************** 103 * LinkProgram() 104 * 105 * arguments: 106 * in: program, program 107 * return: true if a shader linkage succeeded, false if it failed 108 * 109 */ 110 bool LinkProgram( const GLuint prog ); 111 112 /****************************************************************** 113 * validateProgram() 114 * 115 * arguments: 116 * in: program, program 117 * return: true if a shader validation succeeded, false if it failed 118 * 119 */ 120 bool ValidateProgram( const GLuint prog ); 121 } //namespace shader 122 123 } //namespace ndkHelper 124 #endif /* SHADER_H_ */ 125
