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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 | #undef SDL_VIDEO_OPENGL |
28 | #define SDL_VIDEO_OPENGL_ES2 1 |
29 | |
30 | |
31 | #if SDL_VIDEO_OPENGL |
32 | #include <SDL_opengl.h> |
33 | #define GLSL_VERSION "120" |
34 | |
35 | // Extension names |
36 | #define OSAL_GL_ARB_MULTITEXTURE "GL_ARB_multitexture" |
37 | #define OSAL_GL_ARB_TEXTURE_ENV_ADD "GL_ARB_texture_env_add" |
38 | |
39 | |
40 | |
41 | #elif SDL_VIDEO_OPENGL_ES2 |
42 | #include <SDL_opengles2.h> |
43 | #define GLSL_VERSION "100" |
44 | |
45 | // Extension names |
46 | #define OSAL_GL_ARB_MULTITEXTURE "GL_multitexture" |
47 | #define OSAL_GL_ARB_TEXTURE_ENV_ADD "GL_texture_env_add" |
48 | |
49 | // Vertex shader params |
50 | #define VS_POSITION 0 |
51 | #define VS_COLOR 1 |
52 | #define VS_TEXCOORD0 2 |
53 | #define VS_TEXCOORD1 3 |
ea03ad21 |
54 | #define VS_FOG 4 |
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55 | |
56 | // Constant substitutions |
57 | #define GL_CLAMP GL_CLAMP_TO_EDGE |
58 | #define GL_MAX_TEXTURE_UNITS_ARB GL_MAX_TEXTURE_IMAGE_UNITS |
59 | #define GL_MIRRORED_REPEAT_ARB GL_MIRRORED_REPEAT |
60 | #define GL_TEXTURE0_ARB GL_TEXTURE0 |
61 | #define GL_TEXTURE1_ARB GL_TEXTURE1 |
62 | #define GL_TEXTURE2_ARB GL_TEXTURE2 |
63 | #define GL_TEXTURE3_ARB GL_TEXTURE3 |
64 | #define GL_TEXTURE4_ARB GL_TEXTURE4 |
65 | #define GL_TEXTURE5_ARB GL_TEXTURE5 |
66 | #define GL_TEXTURE6_ARB GL_TEXTURE6 |
67 | #define GL_TEXTURE7_ARB GL_TEXTURE7 |
68 | |
69 | #define GL_ADD 0x0104 |
70 | #define GL_MODULATE 0x2100 |
71 | #define GL_INTERPOLATE_ARB 0x8575 |
72 | #define GL_CONSTANT_ARB 0x8576 |
73 | #define GL_PREVIOUS_ARB 0x8578 |
74 | |
75 | // Function substitutions |
76 | #define glClearDepth glClearDepthf |
77 | #define pglActiveTexture glActiveTexture |
78 | #define pglActiveTextureARB glActiveTexture |
79 | |
80 | // No-op substitutions (unavailable in GLES2) |
81 | #define glLoadIdentity() |
82 | #define glMatrixMode(x) |
83 | #define glOrtho(a,b,c,d,e,f) |
84 | #define glReadBuffer(x) |
85 | #define glTexEnvi(x,y,z) |
86 | #define glTexEnvfv(x,y,z) |
87 | #define glTexCoord2f(u,v) |
88 | |
89 | #endif // SDL_VIDEO_OPENGL* |
90 | |
91 | #endif // OSAL_OPENGL_H |