libvo/gl_common.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_GL_COMMON_H
  20 #define MPLAYER_GL_COMMON_H
  21
  22 #include <stdio.h>
  23 #include <stdint.h>
  24
  25 #include "config.h"
  26 #include "mp_msg.h"
  27
  28 #include "video_out.h"
  29 #include "csputils.h"
  30
  31 #ifdef CONFIG_GL_WIN32
  32 #include <windows.h>
  33 #include <GL/gl.h>
  34 #include "w32_common.h"
  35 #endif
  36 #ifdef CONFIG_GL_X11
  37 #include <GL/gl.h>
  38 #include <X11/Xlib.h>
  39 #include <GL/glx.h>
  40 #include "x11_common.h"
  41 // This old-vo wrapper macro would conflict with the struct member
  42 #undef update_xinerama_info
  43 #endif
  44
  45 // workaround for some gl.h headers
  46 #ifndef GLAPIENTRY
  47 #ifdef APIENTRY
  48 #define GLAPIENTRY APIENTRY
  49 #elif defined(CONFIG_GL_WIN32)
  50 #define GLAPIENTRY __stdcall
  51 #else
  52 #define GLAPIENTRY
  53 #endif
  54 #endif
  55
  56 /**
  57  * \defgroup glextdefines OpenGL extension defines
  58  *
  59  * conditionally define all extension defines used.
  60  * vendor specific extensions should be marked as such
  61  * (e.g. _NV), _ARB is not used to ease readability.
  62  * \{
  63  */
  64 #ifndef GL_TEXTURE_3D
  65 #define GL_TEXTURE_3D 0x806F
  66 #endif
  67 #ifndef GL_TEXTURE_WRAP_R
  68 #define GL_TEXTURE_WRAP_R 0x8072
  69 #endif
  70 #ifndef GL_CLAMP_TO_EDGE
  71 #define GL_CLAMP_TO_EDGE 0x812F
  72 #endif
  73 #ifndef GL_GENERATE_MIPMAP
  74 #define GL_GENERATE_MIPMAP 0x8191
  75 #endif
  76 #ifndef GL_REGISTER_COMBINERS_NV
  77 #define GL_REGISTER_COMBINERS_NV 0x8522
  78 #endif
  79 #ifndef GL_MAX_GENERAL_COMBINERS_NV
  80 #define GL_MAX_GENERAL_COMBINERS_NV 0x854D
  81 #endif
  82 #ifndef GL_NUM_GENERAL_COMBINERS_NV
  83 #define GL_NUM_GENERAL_COMBINERS_NV 0x854E
  84 #endif
  85 #ifndef GL_CONSTANT_COLOR0_NV
  86 #define GL_CONSTANT_COLOR0_NV 0x852A
  87 #endif
  88 #ifndef GL_CONSTANT_COLOR1_NV
  89 #define GL_CONSTANT_COLOR1_NV 0x852B
  90 #endif
  91 #ifndef GL_COMBINER0_NV
  92 #define GL_COMBINER0_NV 0x8550
  93 #endif
  94 #ifndef GL_COMBINER1_NV
  95 #define GL_COMBINER1_NV 0x8551
  96 #endif
  97 #ifndef GL_VARIABLE_A_NV
  98 #define GL_VARIABLE_A_NV 0x8523
  99 #endif
 100 #ifndef GL_VARIABLE_B_NV
 101 #define GL_VARIABLE_B_NV 0x8524
 102 #endif
 103 #ifndef GL_VARIABLE_C_NV
 104 #define GL_VARIABLE_C_NV 0x8525
 105 #endif
 106 #ifndef GL_VARIABLE_D_NV
 107 #define GL_VARIABLE_D_NV 0x8526
 108 #endif
 109 #ifndef GL_UNSIGNED_INVERT_NV
 110 #define GL_UNSIGNED_INVERT_NV 0x8537
 111 #endif
 112 #ifndef GL_HALF_BIAS_NORMAL_NV
 113 #define GL_HALF_BIAS_NORMAL_NV 0x853A
 114 #endif
 115 #ifndef GL_SIGNED_IDENTITY_NV
 116 #define GL_SIGNED_IDENTITY_NV 0x853C
 117 #endif
 118 #ifndef GL_SCALE_BY_FOUR_NV
 119 #define GL_SCALE_BY_FOUR_NV 0x853F
 120 #endif
 121 #ifndef GL_DISCARD_NV
 122 #define GL_DISCARD_NV 0x8530
 123 #endif
 124 #ifndef GL_SPARE0_NV
 125 #define GL_SPARE0_NV 0x852E
 126 #endif
 127 #ifndef GL_FRAGMENT_SHADER_ATI
 128 #define GL_FRAGMENT_SHADER_ATI 0x8920
 129 #endif
 130 #ifndef GL_NUM_FRAGMENT_REGISTERS_ATI
 131 #define GL_NUM_FRAGMENT_REGISTERS_ATI 0x896E
 132 #endif
 133 #ifndef GL_REG_0_ATI
 134 #define GL_REG_0_ATI 0x8921
 135 #endif
 136 #ifndef GL_REG_1_ATI
 137 #define GL_REG_1_ATI 0x8922
 138 #endif
 139 #ifndef GL_REG_2_ATI
 140 #define GL_REG_2_ATI 0x8923
 141 #endif
 142 #ifndef GL_CON_0_ATI
 143 #define GL_CON_0_ATI 0x8941
 144 #endif
 145 #ifndef GL_CON_1_ATI
 146 #define GL_CON_1_ATI 0x8942
 147 #endif
 148 #ifndef GL_ADD_ATI
 149 #define GL_ADD_ATI 0x8963
 150 #endif
 151 #ifndef GL_MUL_ATI
 152 #define GL_MUL_ATI 0x8964
 153 #endif
 154 #ifndef GL_MAD_ATI
 155 #define GL_MAD_ATI 0x8968
 156 #endif
 157 #ifndef GL_SWIZZLE_STR_ATI
 158 #define GL_SWIZZLE_STR_ATI 0x8976
 159 #endif
 160 #ifndef GL_4X_BIT_ATI
 161 #define GL_4X_BIT_ATI 2
 162 #endif
 163 #ifndef GL_BIAS_BIT_ATI
 164 #define GL_BIAS_BIT_ATI 8
 165 #endif
 166 #ifndef GL_MAX_TEXTURE_UNITS
 167 #define GL_MAX_TEXTURE_UNITS 0x84E2
 168 #endif
 169 #ifndef GL_TEXTURE0
 170 #define GL_TEXTURE0 0x84C0
 171 #endif
 172 #ifndef GL_TEXTURE1
 173 #define GL_TEXTURE1 0x84C1
 174 #endif
 175 #ifndef GL_TEXTURE2
 176 #define GL_TEXTURE2 0x84C2
 177 #endif
 178 #ifndef GL_TEXTURE3
 179 #define GL_TEXTURE3 0x84C3
 180 #endif
 181 #ifndef GL_TEXTURE_RECTANGLE
 182 #define GL_TEXTURE_RECTANGLE 0x84F5
 183 #endif
 184 #ifndef GL_PIXEL_UNPACK_BUFFER
 185 #define GL_PIXEL_UNPACK_BUFFER 0x88EC
 186 #endif
 187 #ifndef GL_STREAM_DRAW
 188 #define GL_STREAM_DRAW 0x88E0
 189 #endif
 190 #ifndef GL_DYNAMIC_DRAW
 191 #define GL_DYNAMIC_DRAW 0x88E8
 192 #endif
 193 #ifndef GL_WRITE_ONLY
 194 #define GL_WRITE_ONLY 0x88B9
 195 #endif
 196 #ifndef GL_BGR
 197 #define GL_BGR 0x80E0
 198 #endif
 199 #ifndef GL_BGRA
 200 #define GL_BGRA 0x80E1
 201 #endif
 202 #ifndef GL_UNSIGNED_BYTE_3_3_2
 203 #define GL_UNSIGNED_BYTE_3_3_2 0x8032
 204 #endif
 205 #ifndef GL_UNSIGNED_BYTE_2_3_3_REV
 206 #define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362
 207 #endif
 208 #ifndef GL_UNSIGNED_SHORT_4_4_4_4
 209 #define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
 210 #endif
 211 #ifndef GL_UNSIGNED_SHORT_4_4_4_4_REV
 212 #define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
 213 #endif
 214 #ifndef GL_UNSIGNED_SHORT_5_6_5
 215 #define GL_UNSIGNED_SHORT_5_6_5 0x8363
 216 #endif
 217 #ifndef GL_UNSIGNED_INT_8_8_8_8
 218 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
 219 #endif
 220 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
 221 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
 222 #endif
 223 #ifndef GL_UNSIGNED_SHORT_5_6_5_REV
 224 #define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
 225 #endif
 226 #ifndef GL_UNSIGNED_INT_10_10_10_2
 227 #define GL_UNSIGNED_INT_10_10_10_2 0x8036
 228 #endif
 229 #ifndef GL_UNSIGNED_INT_2_10_10_10_REV
 230 #define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
 231 #endif
 232 #ifndef GL_UNSIGNED_SHORT_5_5_5_1
 233 #define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
 234 #endif
 235 #ifndef GL_UNSIGNED_SHORT_1_5_5_5_REV
 236 #define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
 237 #endif
 238 #ifndef GL_UNSIGNED_SHORT_8_8
 239 #define GL_UNSIGNED_SHORT_8_8 0x85BA
 240 #endif
 241 #ifndef GL_UNSIGNED_SHORT_8_8_REV
 242 #define GL_UNSIGNED_SHORT_8_8_REV 0x85BB
 243 #endif
 244 #ifndef GL_YCBCR_MESA
 245 #define GL_YCBCR_MESA 0x8757
 246 #endif
 247 #ifndef GL_RGB32F
 248 #define GL_RGB32F 0x8815
 249 #endif
 250 #ifndef GL_FLOAT_RGB32_NV
 251 #define GL_FLOAT_RGB32_NV 0x8889
 252 #endif
 253 #ifndef GL_UNPACK_CLIENT_STORAGE_APPLE
 254 #define GL_UNPACK_CLIENT_STORAGE_APPLE 0x85B2
 255 #endif
 256 #ifndef GL_FRAGMENT_PROGRAM
 257 #define GL_FRAGMENT_PROGRAM 0x8804
 258 #endif
 259 #ifndef GL_PROGRAM_FORMAT_ASCII
 260 #define GL_PROGRAM_FORMAT_ASCII 0x8875
 261 #endif
 262 #ifndef GL_PROGRAM_ERROR_POSITION
 263 #define GL_PROGRAM_ERROR_POSITION 0x864B
 264 #endif
 265 #ifndef GL_MAX_TEXTURE_IMAGE_UNITS
 266 #define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
 267 #endif
 268 #ifndef GL_PROGRAM_ERROR_STRING
 269 #define GL_PROGRAM_ERROR_STRING 0x8874
 270 #endif
 271 /** \} */ // end of glextdefines group
 272
 273 void glAdjustAlignment(int stride);
 274
 275 const char *glValName(GLint value);
 276
 277 int glFindFormat(uint32_t format, int *bpp, GLint *gl_texfmt,
 278                   GLenum *gl_format, GLenum *gl_type);
 279 int glFmt2bpp(GLenum format, GLenum type);
 280 void glCreateClearTex(GLenum target, GLenum fmt, GLenum format, GLenum type, GLint filter,
 281                       int w, int h, unsigned char val);
 282 int glCreatePPMTex(GLenum target, GLenum fmt, GLint filter,
 283                    FILE *f, int *width, int *height, int *maxval);
 284 void glUploadTex(GLenum target, GLenum format, GLenum type,
 285                  const void *dataptr, int stride,
 286                  int x, int y, int w, int h, int slice);
 287 void glDrawTex(GLfloat x, GLfloat y, GLfloat w, GLfloat h,
 288                GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
 289                int sx, int sy, int rect_tex, int is_yv12, int flip);
 290 int loadGPUProgram(GLenum target, char *prog);
 291
 292 /** \addtogroup glconversion
 293   * \{ */
 294 //! do not use YUV conversion, this should always stay 0
 295 #define YUV_CONVERSION_NONE 0
 296 //! use nVidia specific register combiners for YUV conversion
 297 #define YUV_CONVERSION_COMBINERS 1
 298 //! use a fragment program for YUV conversion
 299 #define YUV_CONVERSION_FRAGMENT 2
 300 //! use a fragment program for YUV conversion with gamma using POW
 301 #define YUV_CONVERSION_FRAGMENT_POW 3
 302 //! use a fragment program with additional table lookup for YUV conversion
 303 #define YUV_CONVERSION_FRAGMENT_LOOKUP 4
 304 //! use ATI specific register combiners ("fragment program")
 305 #define YUV_CONVERSION_COMBINERS_ATI 5
 306 //! use a fragment program with 3D table lookup for YUV conversion
 307 #define YUV_CONVERSION_FRAGMENT_LOOKUP3D 6
 308 //! use normal bilinear scaling for textures
 309 #define YUV_SCALER_BILIN 0
 310 //! use higher quality bicubic scaling for textures
 311 #define YUV_SCALER_BICUB 1
 312 //! use cubic scaling in X and normal linear scaling in Y direction
 313 #define YUV_SCALER_BICUB_X 2
 314 //! use cubic scaling without additional lookup texture
 315 #define YUV_SCALER_BICUB_NOTEX 3
 316 #define YUV_SCALER_UNSHARP 4
 317 #define YUV_SCALER_UNSHARP2 5
 318 //! mask for conversion type
 319 #define YUV_CONVERSION_MASK 0xF
 320 //! mask for scaler type
 321 #define YUV_SCALER_MASK 0xF
 322 //! shift value for luminance scaler type
 323 #define YUV_LUM_SCALER_SHIFT 8
 324 //! shift value for chrominance scaler type
 325 #define YUV_CHROM_SCALER_SHIFT 12
 326 //! extract conversion out of type
 327 #define YUV_CONVERSION(t) (t & YUV_CONVERSION_MASK)
 328 //! extract luminance scaler out of type
 329 #define YUV_LUM_SCALER(t) ((t >> YUV_LUM_SCALER_SHIFT) & YUV_SCALER_MASK)
 330 //! extract chrominance scaler out of type
 331 #define YUV_CHROM_SCALER(t) ((t >> YUV_CHROM_SCALER_SHIFT) & YUV_SCALER_MASK)
 332 /** \} */
 333
 334 typedef struct {
 335   GLenum target;
 336   int type;
 337   struct mp_csp_params csp_params;
 338   int texw;
 339   int texh;
 340   int chrom_texw;
 341   int chrom_texh;
 342   float filter_strength;
 343 } gl_conversion_params_t;
 344
 345 void glSetupYUVConversion(gl_conversion_params_t *params);
 346 void glEnableYUVConversion(GLenum target, int type);
 347 void glDisableYUVConversion(GLenum target, int type);
 348
 349 /** \addtogroup glcontext
 350   * \{ */
 351 //! could not set new window, will continue drawing into the old one.
 352 #define SET_WINDOW_FAILED -1
 353 //! new window is set, could even transfer the OpenGL context.
 354 #define SET_WINDOW_OK 0
 355 //! new window is set, but the OpenGL context needs to be reinitialized.
 356 #define SET_WINDOW_REINIT 1
 357 /** \} */
 358
 359 enum MPGLType {
 360   GLTYPE_W32,
 361   GLTYPE_X11,
 362 };
 363
 364 typedef struct MPGLContext {
 365   enum MPGLType type;
 366   union {
 367     int w32;
 368 #ifdef CONFIG_GL_X11
 369     XVisualInfo *x11;
 370 #endif
 371   } vinfo;
 372   union {
 373 #ifdef CONFIG_GL_WIN32
 374     HGLRC w32;
 375 #endif
 376 #ifdef CONFIG_GL_X11
 377     GLXContext x11;
 378 #endif
 379   } context;
 380   int (*setGlWindow)(struct MPGLContext *);
 381   void (*releaseGlContext)(struct MPGLContext *);
 382   void (*swapGlBuffers)(struct MPGLContext *);
 383   void (*update_xinerama_info)(void);
 384   void (*border)(void);
 385   int (*check_events)(void);
 386   void (*fullscreen)(void);
 387   void (*ontop)(void);
 388 } MPGLContext;
 389
 390 int init_mpglcontext(MPGLContext *ctx, enum MPGLType type);
 391 void uninit_mpglcontext(MPGLContext *ctx);
 392
 393 extern void (GLAPIENTRY *Begin)(GLenum);
 394 extern void (GLAPIENTRY *End)(void);
 395 extern void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
 396 extern void (GLAPIENTRY *MatrixMode)(GLenum);
 397 extern void (GLAPIENTRY *LoadIdentity)(void);
 398 extern void (GLAPIENTRY *Translated)(double, double, double);
 399 extern void (GLAPIENTRY *Scaled)(double, double, double);
 400 extern void (GLAPIENTRY *Ortho)(double, double, double, double, double, double);
 401 extern void (GLAPIENTRY *Frustum)(double, double, double, double, double, double);
 402 extern void (GLAPIENTRY *PushMatrix)(void);
 403 extern void (GLAPIENTRY *PopMatrix)(void);
 404 extern void (GLAPIENTRY *Clear)(GLbitfield);
 405 extern GLuint (GLAPIENTRY *GenLists)(GLsizei);
 406 extern void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
 407 extern void (GLAPIENTRY *NewList)(GLuint, GLenum);
 408 extern void (GLAPIENTRY *EndList)(void);
 409 extern void (GLAPIENTRY *CallList)(GLuint);
 410 extern void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
 411 extern void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
 412 extern void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
 413 extern void (GLAPIENTRY *TexEnvf)(GLenum, GLenum, GLfloat);
 414 extern void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
 415 extern void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
 416 extern void (GLAPIENTRY *Color3f)(GLfloat, GLfloat, GLfloat);
 417 extern void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
 418 extern void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
 419 extern void (GLAPIENTRY *ClearDepth)(GLclampd);
 420 extern void (GLAPIENTRY *DepthFunc)(GLenum);
 421 extern void (GLAPIENTRY *Enable)(GLenum);
 422 extern void (GLAPIENTRY *Disable)(GLenum);
 423 extern const GLubyte *(GLAPIENTRY *GetString)(GLenum);
 424 extern void (GLAPIENTRY *DrawBuffer)(GLenum);
 425 extern void (GLAPIENTRY *DepthMask)(GLboolean);
 426 extern void (GLAPIENTRY *BlendFunc)(GLenum, GLenum);
 427 extern void (GLAPIENTRY *Flush)(void);
 428 extern void (GLAPIENTRY *Finish)(void);
 429 extern void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
 430 extern void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
 431 extern void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
 432 extern void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, const GLvoid *);
 433 extern void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
 434 extern void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
 435 extern void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
 436 extern void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
 437 extern void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
 438 extern void (GLAPIENTRY *Vertex3f)(GLfloat, GLfloat, GLfloat);
 439 extern void (GLAPIENTRY *Normal3f)(GLfloat, GLfloat, GLfloat);
 440 extern void (GLAPIENTRY *Lightfv)(GLenum, GLenum, const GLfloat *);
 441 extern void (GLAPIENTRY *ColorMaterial)(GLenum, GLenum);
 442 extern void (GLAPIENTRY *ShadeModel)(GLenum);
 443 extern void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
 444
 445 extern void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
 446 extern void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
 447 extern void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
 448 extern GLvoid* (GLAPIENTRY *MapBuffer)(GLenum, GLenum);
 449 extern GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
 450 extern void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
 451 extern void (GLAPIENTRY *CombinerParameterfv)(GLenum, const GLfloat *);
 452 extern void (GLAPIENTRY *CombinerParameteri)(GLenum, GLint);
 453 extern void (GLAPIENTRY *CombinerInput)(GLenum, GLenum, GLenum, GLenum, GLenum,
 454                                       GLenum);
 455 extern void (GLAPIENTRY *CombinerOutput)(GLenum, GLenum, GLenum, GLenum, GLenum,
 456                                        GLenum, GLenum, GLboolean, GLboolean,
 457                                        GLboolean);
 458 extern void (GLAPIENTRY *BeginFragmentShader)(void);
 459 extern void (GLAPIENTRY *EndFragmentShader)(void);
 460 extern void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
 461 extern void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
 462                                          GLuint, GLuint, GLuint, GLuint, GLuint);
 463 extern void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
 464                                          GLuint, GLuint, GLuint, GLuint, GLuint,
 465                                          GLuint, GLuint, GLuint);
 466 extern void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
 467 extern void (GLAPIENTRY *ActiveTexture)(GLenum);
 468 extern void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
 469 extern void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
 470 extern void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
 471 extern void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
 472 extern void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
 473 extern void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
 474 extern void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
 475                                               GLfloat, GLfloat);
 476 extern int (GLAPIENTRY *SwapInterval)(int);
 477 extern void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
 478                              GLsizei, GLint, GLenum, GLenum, const GLvoid *);
 479 extern void* (GLAPIENTRY *AllocateMemoryMESA)(void *, int, size_t, float, float, float);
 480 extern void (GLAPIENTRY *FreeMemoryMESA)(void *, int, void *);
 481
 482 #endif /* MPLAYER_GL_COMMON_H */