1 /* San Angeles Observation OpenGL ES version example 2 * Copyright 2004-2005 Jetro Lauha 3 * All rights reserved. 4 * Web: http://iki.fi/jetro/ 5 * 6 * This source is free software; you can redistribute it and/or 7 * modify it under the terms of EITHER: 8 * (1) The GNU Lesser General Public License as published by the Free 9 * Software Foundation; either version 2.1 of the License, or (at 10 * your option) any later version. The text of the GNU Lesser 11 * General Public License is included with this source in the 12 * file LICENSE-LGPL.txt. 13 * (2) The BSD-style license that is included with this source in 14 * the file LICENSE-BSD.txt. 15 * 16 * This source is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files 19 * LICENSE-LGPL.txt and LICENSE-BSD.txt for more details. 20 * 21 * $Id: importgl.h,v 1.4 2005/02/24 20:29:33 tonic Exp $ 22 * $Revision: 1.4 $ 23 */ 24 25 #ifndef IMPORTGL_H_INCLUDED 26 #define IMPORTGL_H_INCLUDED 27 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 34 #include <GLES/gl.h> 35 #ifndef ANDROID_NDK 36 #include <GLES/egl.h> 37 #endif /* !ANDROID_NDK */ 38 39 /* Dynamically fetches pointers to the egl & gl functions. 40 * Should be called once on application initialization. 41 * Returns non-zero on success and 0 on failure. 42 */ 43 extern int importGLInit(); 44 45 /* Frees the handle to egl & gl functions library. 46 */ 47 extern void importGLDeinit(); 48 49 /* Use DISABLE_IMPORTGL if you want to link the OpenGL ES at 50 * compile/link time and not import it dynamically runtime. 51 */ 52 #ifndef DISABLE_IMPORTGL 53 54 55 #ifndef IMPORTGL_API 56 #define IMPORTGL_API extern 57 #endif 58 #ifndef IMPORTGL_FNPTRINIT 59 #define IMPORTGL_FNPTRINIT 60 #endif 61 62 #define FNDEF(retType, funcName, args) IMPORTGL_API retType (*funcPtr_##funcName) args IMPORTGL_FNPTRINIT 63 64 #ifndef ANDROID_NDK 65 FNDEF(EGLBoolean, eglChooseConfig, (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)); 66 FNDEF(EGLContext, eglCreateContext, (EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list)); 67 FNDEF(EGLSurface, eglCreateWindowSurface, (EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list)); 68 FNDEF(EGLBoolean, eglDestroyContext, (EGLDisplay dpy, EGLContext ctx)); 69 FNDEF(EGLBoolean, eglDestroySurface, (EGLDisplay dpy, EGLSurface surface)); 70 FNDEF(EGLBoolean, eglGetConfigAttrib, (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)); 71 FNDEF(EGLBoolean, eglGetConfigs, (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)); 72 FNDEF(EGLDisplay, eglGetDisplay, (NativeDisplayType display)); 73 FNDEF(EGLint, eglGetError, (void)); 74 FNDEF(EGLBoolean, eglInitialize, (EGLDisplay dpy, EGLint *major, EGLint *minor)); 75 FNDEF(EGLBoolean, eglMakeCurrent, (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)); 76 FNDEF(EGLBoolean, eglSwapBuffers, (EGLDisplay dpy, EGLSurface draw)); 77 FNDEF(EGLBoolean, eglTerminate, (EGLDisplay dpy)); 78 #endif /* !ANDROID_NDK */ 79 80 FNDEF(void, glBlendFunc, (GLenum sfactor, GLenum dfactor)); 81 FNDEF(void, glClear, (GLbitfield mask)); 82 FNDEF(void, glClearColorx, (GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha)); 83 FNDEF(void, glColor4x, (GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)); 84 FNDEF(void, glColorPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)); 85 FNDEF(void, glDisable, (GLenum cap)); 86 FNDEF(void, glDisableClientState, (GLenum array)); 87 FNDEF(void, glDrawArrays, (GLenum mode, GLint first, GLsizei count)); 88 FNDEF(void, glEnable, (GLenum cap)); 89 FNDEF(void, glEnableClientState, (GLenum array)); 90 FNDEF(void, glFrustumx, (GLfixed left, GLfixed right, GLfixed bottom, GLfixed top, GLfixed zNear, GLfixed zFar)); 91 FNDEF(GLenum, glGetError, (void)); 92 FNDEF(void, glLightxv, (GLenum light, GLenum pname, const GLfixed *params)); 93 FNDEF(void, glLoadIdentity, (void)); 94 FNDEF(void, glMaterialx, (GLenum face, GLenum pname, GLfixed param)); 95 FNDEF(void, glMaterialxv, (GLenum face, GLenum pname, const GLfixed *params)); 96 FNDEF(void, glMatrixMode, (GLenum mode)); 97 FNDEF(void, glMultMatrixx, (const GLfixed *m)); 98 FNDEF(void, glNormalPointer, (GLenum type, GLsizei stride, const GLvoid *pointer)); 99 FNDEF(void, glPopMatrix, (void)); 100 FNDEF(void, glPushMatrix, (void)); 101 FNDEF(void, glRotatex, (GLfixed angle, GLfixed x, GLfixed y, GLfixed z)); 102 FNDEF(void, glScalex, (GLfixed x, GLfixed y, GLfixed z)); 103 FNDEF(void, glShadeModel, (GLenum mode)); 104 FNDEF(void, glTranslatex, (GLfixed x, GLfixed y, GLfixed z)); 105 FNDEF(void, glVertexPointer, (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)); 106 FNDEF(void, glViewport, (GLint x, GLint y, GLsizei width, GLsizei height)); 107 108 109 #undef FN 110 #define FNPTR(name) funcPtr_##name 111 112 #ifndef IMPORTGL_NO_FNPTR_DEFS 113 114 // Redirect egl* and gl* function calls to funcPtr_egl* and funcPtr_gl*. 115 116 #ifndef ANDROID_NDK 117 #define eglChooseConfig FNPTR(eglChooseConfig) 118 #define eglCreateContext FNPTR(eglCreateContext) 119 #define eglCreateWindowSurface FNPTR(eglCreateWindowSurface) 120 #define eglDestroyContext FNPTR(eglDestroyContext) 121 #define eglDestroySurface FNPTR(eglDestroySurface) 122 #define eglGetConfigAttrib FNPTR(eglGetConfigAttrib) 123 #define eglGetConfigs FNPTR(eglGetConfigs) 124 #define eglGetDisplay FNPTR(eglGetDisplay) 125 #define eglGetError FNPTR(eglGetError) 126 #define eglInitialize FNPTR(eglInitialize) 127 #define eglMakeCurrent FNPTR(eglMakeCurrent) 128 #define eglSwapBuffers FNPTR(eglSwapBuffers) 129 #define eglTerminate FNPTR(eglTerminate) 130 #endif /* !ANDROID_NDK */ 131 132 #define glBlendFunc FNPTR(glBlendFunc) 133 #define glClear FNPTR(glClear) 134 #define glClearColorx FNPTR(glClearColorx) 135 #define glColor4x FNPTR(glColor4x) 136 #define glColorPointer FNPTR(glColorPointer) 137 #define glDisable FNPTR(glDisable) 138 #define glDisableClientState FNPTR(glDisableClientState) 139 #define glDrawArrays FNPTR(glDrawArrays) 140 #define glEnable FNPTR(glEnable) 141 #define glEnableClientState FNPTR(glEnableClientState) 142 #define glFrustumx FNPTR(glFrustumx) 143 #define glGetError FNPTR(glGetError) 144 #define glLightxv FNPTR(glLightxv) 145 #define glLoadIdentity FNPTR(glLoadIdentity) 146 #define glMaterialx FNPTR(glMaterialx) 147 #define glMaterialxv FNPTR(glMaterialxv) 148 #define glMatrixMode FNPTR(glMatrixMode) 149 #define glMultMatrixx FNPTR(glMultMatrixx) 150 #define glNormalPointer FNPTR(glNormalPointer) 151 #define glPopMatrix FNPTR(glPopMatrix) 152 #define glPushMatrix FNPTR(glPushMatrix) 153 #define glRotatex FNPTR(glRotatex) 154 #define glScalex FNPTR(glScalex) 155 #define glShadeModel FNPTR(glShadeModel) 156 #define glTranslatex FNPTR(glTranslatex) 157 #define glVertexPointer FNPTR(glVertexPointer) 158 #define glViewport FNPTR(glViewport) 159 160 #endif // !IMPORTGL_NO_FNPTR_DEFS 161 162 163 #endif // !DISABLE_IMPORTGL 164 165 166 #ifdef __cplusplus 167 } 168 #endif 169 170 171 #endif // !IMPORTGL_H_INCLUDED 172