source/rice_gles/src/osal_opengl.h

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus - osal_opengl.h                                           *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2013 Richard Goedeken                                   *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  20  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  21
  22 #if !defined(OSAL_OPENGL_H)
  23 #define OSAL_OPENGL_H
  24
  25 #include <SDL_config.h>
  26
  27 #if SDL_VIDEO_OPENGL
  28 #ifdef HAVE_GLES
  29 #include <SDL_opengles.h>
  30 #define GL_CLAMP                        GL_CLAMP_TO_EDGE
  31 #define GL_MAX_TEXTURE_UNITS_ARB        GL_MAX_TEXTURE_UNITS
  32 #define GL_MIRRORED_REPEAT_ARB          GL_MIRRORED_REPEAT_OES
  33 #define GL_MIRRORED_REPEAT_IBM          GL_MIRRORED_REPEAT_OES
  34 #define GL_TEXTURE0_ARB                 GL_TEXTURE0
  35 #define GL_TEXTURE1_ARB                 GL_TEXTURE1
  36 #define GL_TEXTURE2_ARB                 GL_TEXTURE2
  37 #define GL_TEXTURE3_ARB                 GL_TEXTURE3
  38 #define GL_TEXTURE4_ARB                 GL_TEXTURE4
  39 #define GL_TEXTURE5_ARB                 GL_TEXTURE5
  40 #define GL_TEXTURE6_ARB                 GL_TEXTURE6
  41 #define GL_TEXTURE7_ARB                 GL_TEXTURE7
  42 #define GL_ADD_SIGNED_ARB               GL_ADD_SIGNED
  43 #define GL_SUBTRACT_ARB                 GL_SUBTRACT
  44 #define GL_INTERPOLATE_ARB              GL_INTERPOLATE
  45 #define GL_CONSTANT_ARB                 GL_CONSTANT
  46 #define GL_PREVIOUS_ARB                 GL_PREVIOUS
  47 #define GL_COMBINE_ARB                  GL_COMBINE
  48 #define GL_COMBINE_RGB_ARB              GL_COMBINE_RGB
  49 #define GL_PRIMARY_COLOR_ARB            GL_PRIMARY_COLOR
  50 #define GL_SOURCE0_RGB_ARB              GL_SRC0_RGB
  51 #define GL_OPERAND0_RGB_ARB             GL_OPERAND0_RGB
  52 #define GL_SOURCE1_RGB_ARB              GL_SRC1_RGB
  53 #define GL_OPERAND1_RGB_ARB             GL_OPERAND1_RGB
  54 #define GL_SOURCE2_RGB_ARB              GL_SRC2_RGB
  55 #define GL_OPERAND2_RGB_ARB             GL_OPERAND2_RGB
  56 #define GL_SOURCE3_RGB_ARB              GL_SRC3_RGB
  57 #define GL_OPERAND3_RGB_ARB             GL_OPERAND3_RGB
  58 #define GL_SOURCE0_ALPHA_ARB            GL_SRC0_ALPHA
  59 #define GL_OPERAND0_ALPHA_ARB           GL_OPERAND0_ALPHA
  60 #define GL_SOURCE1_ALPHA_ARB            GL_SRC1_ALPHA
  61 #define GL_OPERAND1_ALPHA_ARB           GL_OPERAND1_ALPHA
  62 #define GL_SOURCE2_ALPHA_ARB            GL_SRC2_ALPHA
  63 #define GL_OPERAND2_ALPHA_ARB           GL_OPERAND2_ALPHA
  64 #define GL_SOURCE3_ALPHA_ARB            GL_SRC3_ALPHA
  65 #define GL_OPERAND3_ALPHA_ARB           GL_OPERAND3_ALPHA
  66 #define GL_MAX_TEXTURE_IMAGE_UNITS      GL_MAX_TEXTURE_UNITS
  67
  68 #define glClearDepth                    glClearDepthf
  69 #define glDepthRange                    glDepthRangef
  70 #define glOrtho                         glOrthof
  71
  72 #define APIENTRYP               GL_API
  73
  74 #else
  75 #include <SDL_opengl.h>
  76 #define GLSL_VERSION "120"
  77
  78 // Extension names
  79 #define OSAL_GL_ARB_MULTITEXTURE            "GL_ARB_multitexture"
  80 #define OSAL_GL_ARB_TEXTURE_ENV_ADD         "GL_ARB_texture_env_add"
  81 #endif
  82
  83
  84 #elif SDL_VIDEO_OPENGL_ES2
  85 #include <SDL_opengles2.h>
  86 #define GLSL_VERSION "100"
  87
  88 // Extension names
  89 #define OSAL_GL_ARB_MULTITEXTURE            "GL_multitexture"
  90 #define OSAL_GL_ARB_TEXTURE_ENV_ADD         "GL_texture_env_add"
  91
  92 // Vertex shader params
  93 #define VS_POSITION                         0
  94 #define VS_COLOR                            1
  95 #define VS_TEXCOORD0                        2
  96 #define VS_TEXCOORD1                        3
  97
  98 // Constant substitutions
  99 #define GL_CLAMP                            GL_CLAMP_TO_EDGE
 100 #define GL_MAX_TEXTURE_UNITS_ARB            GL_MAX_TEXTURE_IMAGE_UNITS
 101 #define GL_MIRRORED_REPEAT_ARB              GL_MIRRORED_REPEAT
 102 #define GL_TEXTURE0_ARB                     GL_TEXTURE0
 103 #define GL_TEXTURE1_ARB                     GL_TEXTURE1
 104 #define GL_TEXTURE2_ARB                     GL_TEXTURE2
 105 #define GL_TEXTURE3_ARB                     GL_TEXTURE3
 106 #define GL_TEXTURE4_ARB                     GL_TEXTURE4
 107 #define GL_TEXTURE5_ARB                     GL_TEXTURE5
 108 #define GL_TEXTURE6_ARB                     GL_TEXTURE6
 109 #define GL_TEXTURE7_ARB                     GL_TEXTURE7
 110
 111 #define GL_ADD                              0x0104
 112 #define GL_MODULATE                         0x2100
 113 #define GL_INTERPOLATE_ARB                  0x8575
 114 #define GL_CONSTANT_ARB                     0x8576
 115 #define GL_PREVIOUS_ARB                     0x8578
 116
 117 // Function substitutions
 118 #define glClearDepth                        glClearDepthf
 119 #define pglActiveTexture                    glActiveTexture
 120 #define pglActiveTextureARB                 glActiveTexture
 121
 122 // No-op substitutions (unavailable in GLES2)
 123 #define glLoadIdentity()
 124 #define glMatrixMode(x)
 125 #define glOrtho(a,b,c,d,e,f)
 126 #define glReadBuffer(x)
 127 #define glTexEnvi(x,y,z)
 128 #define glTexEnvfv(x,y,z)
 129 #define glTexCoord2f(u,v)
 130
 131 #endif // SDL_VIDEO_OPENGL*
 132
 133 #endif // OSAL_OPENGL_H