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