1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus - osal_opengl.h *
3 * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
4 * Copyright (C) 2013 Richard Goedeken *
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. *
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. *
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 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
22 #if !defined(OSAL_OPENGL_H)
25 #include <SDL_config.h>
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
68 #define glClearDepth glClearDepthf
69 #define glDepthRange glDepthRangef
70 #define glOrtho glOrthof
72 #define APIENTRYP GL_API
75 #include <SDL_opengl.h>
76 #define GLSL_VERSION "120"
79 #define OSAL_GL_ARB_MULTITEXTURE "GL_ARB_multitexture"
80 #define OSAL_GL_ARB_TEXTURE_ENV_ADD "GL_ARB_texture_env_add"
84 #elif SDL_VIDEO_OPENGL_ES2
85 #include <SDL_opengles2.h>
86 #define GLSL_VERSION "100"
89 #define OSAL_GL_ARB_MULTITEXTURE "GL_multitexture"
90 #define OSAL_GL_ARB_TEXTURE_ENV_ADD "GL_texture_env_add"
92 // Vertex shader params
95 #define VS_TEXCOORD0 2
96 #define VS_TEXCOORD1 3
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
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
117 // Function substitutions
118 #define glClearDepth glClearDepthf
119 #define pglActiveTexture glActiveTexture
120 #define pglActiveTextureARB glActiveTexture
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)
131 #endif // SDL_VIDEO_OPENGL*
133 #endif // OSAL_OPENGL_H