1 /* xscreensaver, Copyright (c) 2012-2015 Jamie Zawinski <jwz@jwz.org>
3 * Permission to use, copy, modify, distribute, and sell this software and its
4 * documentation for any purpose is hereby granted without fee, provided that
5 * the above copyright notice appear in all copies and that both that
6 * copyright notice and this permission notice appear in supporting
7 * documentation. No representations are made about the suitability of this
8 * software for any purpose. It is provided "as is" without express or
12 /* A compatibility shim to allow OpenGL 1.3 source code to work in an
13 OpenGLES environment, where almost every OpenGL 1.3 function has
14 been "deprecated". See jwzgles.c for details.
17 #ifndef __JWZGLES_I_H__
18 #define __JWZGLES_I_H__
20 #ifdef GL_VERSION_ES_CM_1_0 /* compiling against OpenGLES 1.x */
22 /* These OpenGL 1.3 constants are not present in OpenGLES 1.
23 Fortunately, it looks like they didn't re-use any of the numbers,
24 so we can just keep using the OpenGL 1.3 values. I'm actually
25 kind of shocked that the GLES folks passed up that opportunity
26 for further clusterfuckery.
28 # define GLdouble double
30 # define GL_ACCUM_BUFFER_BIT 0x00000200
31 # define GL_ALL_ATTRIB_BITS 0x000FFFFF
32 # define GL_AUTO_NORMAL 0x0D80
33 # define GL_BLEND_SRC_ALPHA 0x80CB
34 # define GL_C3F_V3F 0x2A24
35 # define GL_C4F_N3F_V3F 0x2A26
36 # define GL_C4UB_V2F 0x2A22
37 # define GL_C4UB_V3F 0x2A23
38 # define GL_CLAMP 0x2900
39 # define GL_COLOR_BUFFER_BIT 0x00004000
40 # define GL_COLOR_MATERIAL_FACE 0x0B55
41 # define GL_COLOR_MATERIAL_PARAMETER 0x0B56
42 # define GL_COMPILE 0x1300
43 # define GL_CURRENT_BIT 0x00000001
44 # define GL_DEPTH_BUFFER_BIT 0x00000100
45 # define GL_DOUBLEBUFFER 0x0C32
46 # define GL_ENABLE_BIT 0x00002000
47 # define GL_EVAL_BIT 0x00010000
48 # define GL_EYE_LINEAR 0x2400
49 # define GL_EYE_PLANE 0x2502
50 # define GL_FEEDBACK 0x1C01
51 # define GL_FILL 0x1B02
52 # define GL_FOG_BIT 0x00000080
53 # define GL_HINT_BIT 0x00008000
54 # define GL_INTENSITY 0x8049
55 # define GL_LIGHTING_BIT 0x00000040
56 # define GL_LIGHT_MODEL_COLOR_CONTROL 0x81F8
57 # define GL_LIGHT_MODEL_LOCAL_VIEWER 0x0B51
58 # define GL_LINE 0x1B01
59 # define GL_LINE_BIT 0x00000004
60 # define GL_LIST_BIT 0x00020000
61 # define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
62 # define GL_N3F_V3F 0x2A25
63 # define GL_OBJECT_LINEAR 0x2401
64 # define GL_OBJECT_PLANE 0x2501
65 # define GL_PIXEL_MODE_BIT 0x00000020
66 # define GL_POINT_BIT 0x00000002
67 # define GL_POLYGON 0x0009
68 # define GL_POLYGON_BIT 0x00000008
69 # define GL_POLYGON_MODE 0x0B40
70 # define GL_POLYGON_SMOOTH 0x0B41
71 # define GL_POLYGON_STIPPLE 0x0B42
72 # define GL_POLYGON_STIPPLE_BIT 0x00000010
74 # define GL_QUADS 0x0007
75 # define GL_QUAD_STRIP 0x0008
77 # define GL_RENDER 0x1C00
78 # define GL_RGBA_MODE 0x0C31
80 # define GL_SCISSOR_BIT 0x00080000
81 # define GL_SELECT 0x1C02
82 # define GL_SEPARATE_SPECULAR_COLOR 0x81FA
83 # define GL_SINGLE_COLOR 0x81F9
84 # define GL_SPHERE_MAP 0x2402
85 # define GL_STENCIL_BUFFER_BIT 0x00000400
87 # define GL_T2F_C3F_V3F 0x2A2A
88 # define GL_T2F_C4F_N3F_V3F 0x2A2C
89 # define GL_T2F_C4UB_V3F 0x2A29
90 # define GL_T2F_N3F_V3F 0x2A2B
91 # define GL_T2F_V3F 0x2A27
92 # define GL_T4F_C4F_N3F_V4F 0x2A2D
93 # define GL_T4F_V4F 0x2A28
94 # define GL_TEXTURE_1D 0x0DE0
95 # define GL_TEXTURE_ALPHA_SIZE 0x805F
96 # define GL_TEXTURE_BIT 0x00040000
97 # define GL_TEXTURE_BLUE_SIZE 0x805E
98 # define GL_TEXTURE_BORDER 0x1005
99 # define GL_TEXTURE_BORDER_COLOR 0x1004
100 # define GL_TEXTURE_COMPONENTS 0x1003
101 # define GL_TEXTURE_GEN_MODE 0x2500
102 # define GL_TEXTURE_GEN_Q 0x0C63
103 # define GL_TEXTURE_GEN_R 0x0C62
104 # define GL_TEXTURE_GEN_S 0x0C60
105 # define GL_TEXTURE_GEN_T 0x0C61
106 # define GL_TEXTURE_GREEN_SIZE 0x805D
107 # define GL_TEXTURE_HEIGHT 0x1001
108 # define GL_TEXTURE_INTENSITY_SIZE 0x8061
109 # define GL_TEXTURE_LUMINANCE_SIZE 0x8060
110 # define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
111 # define GL_TEXTURE_RED_SIZE 0x805C
112 # define GL_TEXTURE_WIDTH 0x1000
113 # define GL_TRANSFORM_BIT 0x00001000
114 # define GL_UNPACK_ROW_LENGTH 0x0CF2
115 # define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
116 # define GL_V2F 0x2A20
117 # define GL_V3F 0x2A21
118 # define GL_VIEWPORT_BIT 0x00000800
119 # define GL_INT 0x1404
120 # define GL_DOUBLE 0x140A
125 extern void jwzgles_reset (void);
128 /* Prototypes for the things re-implemented in jwzgles.c
131 extern int jwzgles_glGenLists (int n);
132 extern void jwzgles_glNewList (int id, int mode);
133 extern void jwzgles_glEndList (void);
134 extern void jwzgles_glDeleteLists (int list, int range);
135 extern void jwzgles_glBegin (int mode);
136 extern void jwzgles_glNormal3fv (const GLfloat *);
137 extern void jwzgles_glNormal3f (GLfloat x, GLfloat y, GLfloat z);
138 extern void jwzgles_glTexCoord1f (GLfloat s);
139 extern void jwzgles_glTexCoord2fv (const GLfloat *);
140 extern void jwzgles_glTexCoord2f (GLfloat s, GLfloat t);
141 extern void jwzgles_glTexCoord3fv (const GLfloat *);
142 extern void jwzgles_glTexCoord3f (GLfloat s, GLfloat t, GLfloat r);
143 extern void jwzgles_glTexCoord4fv (const GLfloat *);
144 extern void jwzgles_glTexCoord4f (GLfloat s, GLfloat t, GLfloat r, GLfloat q);
145 extern void jwzgles_glVertex2f (GLfloat x, GLfloat y);
146 extern void jwzgles_glVertex2dv (const GLdouble *);
147 extern void jwzgles_glVertex2fv (const GLfloat *);
148 extern void jwzgles_glVertex2i (GLint x, GLint y);
149 extern void jwzgles_glVertex3f (GLfloat x, GLfloat y, GLfloat z);
150 extern void jwzgles_glVertex3dv (const GLdouble *);
151 extern void jwzgles_glVertex3fv (const GLfloat *);
152 extern void jwzgles_glVertex3i (GLint x, GLint y, GLint z);
153 extern void jwzgles_glVertex4f (GLfloat x, GLfloat y, GLfloat z, GLfloat w);
154 extern void jwzgles_glVertex4fv (const GLfloat *);
155 extern void jwzgles_glVertex4i (GLint x, GLint y, GLint z, GLint w);
156 extern void jwzgles_glEnd (void);
157 extern void jwzgles_glCallList (int id);
158 extern void jwzgles_glClearIndex(GLfloat c);
159 extern void jwzgles_glBitmap (GLsizei, GLsizei, GLfloat, GLfloat, GLfloat,
160 GLfloat, const GLubyte *);
161 extern void jwzgles_glPushAttrib(int);
162 extern void jwzgles_glPopAttrib(void);
165 /* These functions are present in both OpenGL 1.3 and in OpenGLES 1,
166 but are allowed within glNewList/glEndList, so we must wrap them
167 to allow them to be recorded.
169 extern void jwzgles_glActiveTexture (GLuint);
170 extern void jwzgles_glBindTexture (GLuint, GLuint);
171 extern void jwzgles_glBlendFunc (GLuint, GLuint);
172 extern void jwzgles_glClear (GLuint);
173 extern void jwzgles_glClearColor (GLclampf, GLclampf, GLclampf, GLclampf);
174 extern void jwzgles_glClearStencil (GLuint);
175 extern void jwzgles_glColorMask (GLuint, GLuint, GLuint, GLuint);
176 extern void jwzgles_glCullFace (GLuint);
177 extern void jwzgles_glDepthFunc (GLuint);
178 extern void jwzgles_glDepthMask (GLuint);
179 extern void jwzgles_glDisable (GLuint);
180 extern void jwzgles_glDrawArrays (GLuint, GLuint, GLuint);
181 extern GLboolean jwzgles_glIsEnabled (GLuint);
182 extern void jwzgles_glEnable (GLuint);
183 extern void jwzgles_glFrontFace (GLuint);
184 extern void jwzgles_glHint (GLuint, GLuint);
185 extern void jwzgles_glLineWidth (GLfloat);
186 extern void jwzgles_glLoadIdentity (void);
187 extern void jwzgles_glLogicOp (GLuint);
188 extern void jwzgles_glMatrixMode (GLuint);
189 extern void jwzgles_glMultMatrixf (const GLfloat *);
190 extern void jwzgles_glPointSize (GLfloat);
191 extern void jwzgles_glPolygonOffset (GLfloat, GLfloat);
192 extern void jwzgles_glPopMatrix (void);
193 extern void jwzgles_glPushMatrix (void);
194 extern void jwzgles_glScissor (GLuint, GLuint, GLuint, GLuint);
195 extern void jwzgles_glShadeModel (GLuint);
196 extern void jwzgles_glStencilFunc (GLuint, GLuint, GLuint);
197 extern void jwzgles_glStencilMask (GLuint);
198 extern void jwzgles_glStencilOp (GLuint, GLuint, GLuint);
199 extern void jwzgles_glViewport (GLuint, GLuint, GLuint, GLuint);
200 extern void jwzgles_glTranslatef (GLfloat, GLfloat, GLfloat);
201 extern void jwzgles_glRotatef (GLfloat, GLfloat, GLfloat, GLfloat);
202 extern void jwzgles_glRotated (GLdouble, GLdouble x, GLdouble y, GLdouble z);
203 extern void jwzgles_glScalef (GLfloat, GLfloat, GLfloat);
204 extern void jwzgles_glColor3f (GLfloat, GLfloat, GLfloat);
205 extern void jwzgles_glColor4f (GLfloat, GLfloat, GLfloat, GLfloat);
206 extern void jwzgles_glColor3fv (const GLfloat *);
207 extern void jwzgles_glColor4fv (const GLfloat *);
208 extern void jwzgles_glColor3s (GLshort, GLshort, GLshort);
209 extern void jwzgles_glColor4s (GLshort, GLshort, GLshort, GLshort);
210 extern void jwzgles_glColor3sv (const GLshort *);
211 extern void jwzgles_glColor4sv (const GLshort *);
212 extern void jwzgles_glColor3us (GLushort, GLushort, GLushort);
213 extern void jwzgles_glColor4us (GLushort, GLushort, GLushort, GLushort);
214 extern void jwzgles_glColor3usv (const GLushort *);
215 extern void jwzgles_glColor4usv (const GLushort *);
216 extern void jwzgles_glColor3d (GLdouble, GLdouble, GLdouble);
217 extern void jwzgles_glColor4d (GLdouble, GLdouble, GLdouble, GLdouble);
218 extern void jwzgles_glColor3dv (const GLdouble *);
219 extern void jwzgles_glColor4dv (const GLdouble *);
220 extern void jwzgles_glColor4i (GLint, GLint, GLint, GLint);
221 extern void jwzgles_glColor3i (GLint, GLint, GLint);
222 extern void jwzgles_glColor3iv (const GLint *);
223 extern void jwzgles_glColor4iv (const GLint *);
224 extern void jwzgles_glColor4ui (GLuint, GLuint, GLuint, GLuint);
225 extern void jwzgles_glColor3ui (GLuint, GLuint, GLuint);
226 extern void jwzgles_glColor3uiv (const GLuint *);
227 extern void jwzgles_glColor4uiv (const GLuint *);
228 extern void jwzgles_glColor4b (GLbyte, GLbyte, GLbyte, GLbyte);
229 extern void jwzgles_glColor3b (GLbyte, GLbyte, GLbyte);
230 extern void jwzgles_glColor4bv (const GLbyte *);
231 extern void jwzgles_glColor3bv (const GLbyte *);
232 extern void jwzgles_glColor4ub (GLubyte, GLubyte, GLubyte, GLubyte);
233 extern void jwzgles_glColor3ub (GLubyte, GLubyte, GLubyte);
234 extern void jwzgles_glColor4ubv (const GLubyte *);
235 extern void jwzgles_glColor3ubv (const GLubyte *);
236 extern void jwzgles_glMaterialf (GLuint, GLuint, GLfloat);
237 extern void jwzgles_glMateriali (GLuint, GLuint, GLuint);
238 extern void jwzgles_glMaterialfv (GLuint, GLuint, const GLfloat *);
239 extern void jwzgles_glMaterialiv (GLuint, GLuint, const GLint *);
240 extern void jwzgles_glFinish (void);
241 extern void jwzgles_glFlush (void);
242 extern void jwzgles_glPixelStorei (GLuint, GLuint);
243 extern void jwzgles_glEnableClientState (GLuint);
244 extern void jwzgles_glDisableClientState (GLuint);
246 extern void jwzgles_glInitNames (void);
247 extern void jwzgles_glPushName (GLuint);
248 extern GLuint jwzgles_glPopName (void);
249 extern GLuint jwzgles_glRenderMode (GLuint);
250 extern void jwzgles_glSelectBuffer (GLsizei, GLuint *);
251 extern void jwzgles_glLightf (GLenum, GLenum, GLfloat);
252 extern void jwzgles_glLighti (GLenum, GLenum, GLint);
253 extern void jwzgles_glLightfv (GLenum, GLenum, const GLfloat *);
254 extern void jwzgles_glLightiv (GLenum, GLenum, const GLint *);
255 extern void jwzgles_glLightModelf (GLenum, GLfloat);
256 extern void jwzgles_glLightModeli (GLenum, GLint);
257 extern void jwzgles_glLightModelfv (GLenum, const GLfloat *);
258 extern void jwzgles_glLightModeliv (GLenum, const GLint *);
259 extern void jwzgles_glGenTextures (GLuint, GLuint *);
260 extern void jwzgles_glFrustum (GLfloat, GLfloat, GLfloat, GLfloat,
262 extern void jwzgles_glOrtho (GLfloat, GLfloat, GLfloat, GLfloat,
264 extern void jwzgles_glTexImage1D (GLenum target, GLint level,
265 GLint internalFormat,
266 GLsizei width, GLint border,
267 GLenum format, GLenum type,
268 const GLvoid *pixels);
269 extern void jwzgles_glTexImage2D (GLenum target,
271 GLint internalFormat,
278 extern void jwzgles_glTexSubImage2D (GLenum target, GLint level,
279 GLint xoffset, GLint yoffset,
280 GLsizei width, GLsizei height,
281 GLenum format, GLenum type,
282 const GLvoid *pixels);
283 extern void jwzgles_glCopyTexImage2D (GLenum target, GLint level,
284 GLenum internalformat,
286 GLsizei width, GLsizei height,
288 extern void jwzgles_glInterleavedArrays (GLenum, GLsizei, const GLvoid *);
289 extern void jwzgles_glTexEnvf (GLuint, GLuint, GLfloat);
290 extern void jwzgles_glTexEnvi (GLuint, GLuint, GLuint);
291 extern void jwzgles_glTexParameterf (GLuint, GLuint, GLfloat);
292 extern void jwzgles_glTexParameteri (GLuint, GLuint, GLuint);
293 extern void jwzgles_glTexGeni (GLenum, GLenum, GLint);
294 extern void jwzgles_glTexGenfv (GLenum, GLenum, const GLfloat *);
295 extern void jwzgles_glGetTexGenfv (GLenum, GLenum, GLfloat *);
296 extern void jwzgles_glRectf (GLfloat, GLfloat, GLfloat, GLfloat);
297 extern void jwzgles_glRecti (GLint, GLint, GLint, GLint);
298 extern void jwzgles_glLightModelfv (GLenum, const GLfloat *);
299 extern void jwzgles_glClearDepth (GLfloat);
300 extern GLboolean jwzgles_glIsList (GLuint);
301 extern void jwzgles_glColorMaterial (GLenum, GLenum);
302 extern void jwzgles_glPolygonMode (GLenum, GLenum);
303 extern void jwzgles_glFogf (GLenum, GLfloat);
304 extern void jwzgles_glFogi (GLenum, GLint);
305 extern void jwzgles_glFogfv (GLenum, const GLfloat *);
306 extern void jwzgles_glFogiv (GLenum, const GLint *);
307 extern void jwzgles_glAlphaFunc (GLenum, GLfloat);
308 extern void jwzgles_glClipPlane (GLenum, const GLdouble *);
309 extern void jwzgles_glDrawBuffer (GLenum);
310 extern void jwzgles_glDeleteTextures (GLuint, const GLuint *);
312 extern void jwzgles_gluPerspective (GLdouble fovy, GLdouble aspect,
313 GLdouble near, GLdouble far);
314 extern void jwzgles_gluLookAt (GLfloat eyex, GLfloat eyey, GLfloat eyez,
315 GLfloat centerx, GLfloat centery,
317 GLfloat upx, GLfloat upy, GLfloat upz);
318 extern GLint jwzgles_gluProject (GLdouble objx, GLdouble objy, GLdouble objz,
319 const GLdouble modelMatrix[16],
320 const GLdouble projMatrix[16],
321 const GLint viewport[4],
322 GLdouble *winx, GLdouble *winy,
324 extern int jwzgles_gluBuild2DMipmaps (GLenum target,
325 GLint internalFormat,
331 extern GLboolean jwzgles_gluCheckExtension (const GLubyte *ext_name,
332 const GLubyte *ext_string);
333 extern void jwzgles_glGetFloatv (GLenum pname, GLfloat *params);
334 extern void jwzgles_glGetPointerv (GLenum pname, GLvoid **params);
335 extern void jwzgles_glGetDoublev (GLenum pname, GLdouble *params);
336 extern void jwzgles_glGetIntegerv (GLenum pname, GLint *params);
337 extern void jwzgles_glGetBooleanv (GLenum pname, GLboolean *params);
338 extern void jwzgles_glVertexPointer (GLuint, GLuint, GLuint, const void *);
339 extern void jwzgles_glNormalPointer (GLenum, GLuint, const void *);
340 extern void jwzgles_glColorPointer (GLuint, GLuint, GLuint, const void *);
341 extern void jwzgles_glTexCoordPointer (GLuint, GLuint, GLuint, const void *);
342 extern void jwzgles_glBindBuffer (GLuint, GLuint);
343 extern void jwzgles_glBufferData (GLenum, GLsizeiptr, const void *, GLenum);
344 extern const char *jwzgles_gluErrorString (GLenum error);
346 #endif /* __JWZGLES_I_H__ */