| d07c171f |
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 |
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