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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 | #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 |