src/mesa/main/dd.h

   1 /**
   2  * \file dd.h
   3  * Device driver interfaces.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  * Version:  6.5.2
   9  *
  10  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included
  20  * in all copies or substantial portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  26  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  27  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  */
  29
  30
  31 #ifndef DD_INCLUDED
  32 #define DD_INCLUDED
  33
  34 /* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */
  35
  36 struct gl_pixelstore_attrib;
  37 struct gl_display_list;
  38
  39 /* GL_ARB_vertex_buffer_object */
  40 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
  41  * NULL) if buffer is unavailable for immediate mapping.
  42  *
  43  * Does GL_MAP_INVALIDATE_RANGE_BIT do this?  It seems so, but it
  44  * would require more book-keeping in the driver than seems necessary
  45  * at this point.
  46  *
  47  * Does GL_MAP_INVALDIATE_BUFFER_BIT do this?  Not really -- we don't
  48  * want to provoke the driver to throw away the old storage, we will
  49  * respect the contents of already referenced data.
  50  */
  51 #define MESA_MAP_NOWAIT_BIT       0x0040
  52
  53
  54 /**
  55  * Device driver function table.
  56  * Core Mesa uses these function pointers to call into device drivers.
  57  * Most of these functions directly correspond to OpenGL state commands.
  58  * Core Mesa will call these functions after error checking has been done
  59  * so that the drivers don't have to worry about error testing.
  60  *
  61  * Vertex transformation/clipping/lighting is patched into the T&L module.
  62  * Rasterization functions are patched into the swrast module.
  63  *
  64  * Note: when new functions are added here, the drivers/common/driverfuncs.c
  65  * file should be updated too!!!
  66  */
  67 struct dd_function_table {
  68    /**
  69     * Return a string as needed by glGetString().
  70     * Only the GL_RENDERER query must be implemented.  Otherwise, NULL can be
  71     * returned.
  72     */
  73    const GLubyte * (*GetString)( GLcontext *ctx, GLenum name );
  74
  75    /**
  76     * Notify the driver after Mesa has made some internal state changes.
  77     *
  78     * This is in addition to any state change callbacks Mesa may already have
  79     * made.
  80     */
  81    void (*UpdateState)( GLcontext *ctx, GLbitfield new_state );
  82
  83    /**
  84     * Get the width and height of the named buffer/window.
  85     *
  86     * Mesa uses this to determine when the driver's window size has changed.
  87     * XXX OBSOLETE: this function will be removed in the future.
  88     */
  89    void (*GetBufferSize)( GLframebuffer *buffer,
  90                           GLuint *width, GLuint *height );
  91
  92    /**
  93     * Resize the given framebuffer to the given size.
  94     * XXX OBSOLETE: this function will be removed in the future.
  95     */
  96    void (*ResizeBuffers)( GLcontext *ctx, GLframebuffer *fb,
  97                           GLuint width, GLuint height);
  98
  99    /**
 100     * Called whenever an error is generated.
 101     * __GLcontextRec::ErrorValue contains the error value.
 102     */
 103    void (*Error)( GLcontext *ctx );
 104
 105    /**
 106     * This is called whenever glFinish() is called.
 107     */
 108    void (*Finish)( GLcontext *ctx );
 109
 110    /**
 111     * This is called whenever glFlush() is called.
 112     */
 113    void (*Flush)( GLcontext *ctx );
 114
 115    /**
 116     * Clear the color/depth/stencil/accum buffer(s).
 117     * \param buffers  a bitmask of BUFFER_BIT_* flags indicating which
 118     *                 renderbuffers need to be cleared.
 119     */
 120    void (*Clear)( GLcontext *ctx, GLbitfield buffers );
 121
 122    /**
 123     * Execute glAccum command.
 124     */
 125    void (*Accum)( GLcontext *ctx, GLenum op, GLfloat value );
 126
 127
 128    /**
 129     * Execute glRasterPos, updating the ctx->Current.Raster fields
 130     */
 131    void (*RasterPos)( GLcontext *ctx, const GLfloat v[4] );
 132
 133    /**
 134     * \name Image-related functions
 135     */
 136    /*@{*/
 137
 138    /**
 139     * Called by glDrawPixels().
 140     * \p unpack describes how to unpack the source image data.
 141     */
 142    void (*DrawPixels)( GLcontext *ctx,
 143                        GLint x, GLint y, GLsizei width, GLsizei height,
 144                        GLenum format, GLenum type,
 145                        const struct gl_pixelstore_attrib *unpack,
 146                        const GLvoid *pixels );
 147
 148    /**
 149     * Called by glReadPixels().
 150     */
 151    void (*ReadPixels)( GLcontext *ctx,
 152                        GLint x, GLint y, GLsizei width, GLsizei height,
 153                        GLenum format, GLenum type,
 154                        const struct gl_pixelstore_attrib *unpack,
 155                        GLvoid *dest );
 156
 157    /**
 158     * Called by glCopyPixels().
 159     */
 160    void (*CopyPixels)( GLcontext *ctx, GLint srcx, GLint srcy,
 161                        GLsizei width, GLsizei height,
 162                        GLint dstx, GLint dsty, GLenum type );
 163
 164    /**
 165     * Called by glBitmap().
 166     */
 167    void (*Bitmap)( GLcontext *ctx,
 168                    GLint x, GLint y, GLsizei width, GLsizei height,
 169                    const struct gl_pixelstore_attrib *unpack,
 170                    const GLubyte *bitmap );
 171    /*@}*/
 172
 173
 174    /**
 175     * \name Texture image functions
 176     */
 177    /*@{*/
 178
 179    /**
 180     * Choose texture format.
 181     *
 182     * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
 183     * functions.  The driver should examine \p internalFormat and return a
 184     * gl_format value.
 185     */
 186    GLuint (*ChooseTextureFormat)( GLcontext *ctx, GLint internalFormat,
 187                                      GLenum srcFormat, GLenum srcType );
 188
 189    /**
 190     * Called by glTexImage1D().
 191     *
 192     * \param target user specified.
 193     * \param format user specified.
 194     * \param type user specified.
 195     * \param pixels user specified.
 196     * \param packing indicates the image packing of pixels.
 197     * \param texObj is the target texture object.
 198     * \param texImage is the target texture image.  It will have the texture \p
 199     * width, \p height, \p depth, \p border and \p internalFormat information.
 200     *
 201     * \p retainInternalCopy is returned by this function and indicates whether
 202     * core Mesa should keep an internal copy of the texture image.
 203     *
 204     * Drivers should call a fallback routine from texstore.c if needed.
 205     */
 206    void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 207                        GLint internalFormat,
 208                        GLint width, GLint border,
 209                        GLenum format, GLenum type, const GLvoid *pixels,
 210                        const struct gl_pixelstore_attrib *packing,
 211                        struct gl_texture_object *texObj,
 212                        struct gl_texture_image *texImage );
 213
 214    /**
 215     * Called by glTexImage2D().
 216     *
 217     * \sa dd_function_table::TexImage1D.
 218     */
 219    void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 220                        GLint internalFormat,
 221                        GLint width, GLint height, GLint border,
 222                        GLenum format, GLenum type, const GLvoid *pixels,
 223                        const struct gl_pixelstore_attrib *packing,
 224                        struct gl_texture_object *texObj,
 225                        struct gl_texture_image *texImage );
 226
 227    /**
 228     * Called by glTexImage3D().
 229     *
 230     * \sa dd_function_table::TexImage1D.
 231     */
 232    void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
 233                        GLint internalFormat,
 234                        GLint width, GLint height, GLint depth, GLint border,
 235                        GLenum format, GLenum type, const GLvoid *pixels,
 236                        const struct gl_pixelstore_attrib *packing,
 237                        struct gl_texture_object *texObj,
 238                        struct gl_texture_image *texImage );
 239
 240    /**
 241     * Called by glTexSubImage1D().
 242     *
 243     * \param target user specified.
 244     * \param level user specified.
 245     * \param xoffset user specified.
 246     * \param yoffset user specified.
 247     * \param zoffset user specified.
 248     * \param width user specified.
 249     * \param height user specified.
 250     * \param depth user specified.
 251     * \param format user specified.
 252     * \param type user specified.
 253     * \param pixels user specified.
 254     * \param packing indicates the image packing of pixels.
 255     * \param texObj is the target texture object.
 256     * \param texImage is the target texture image.  It will have the texture \p
 257     * width, \p height, \p border and \p internalFormat information.
 258     *
 259     * The driver should use a fallback routine from texstore.c if needed.
 260     */
 261    void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 262                           GLint xoffset, GLsizei width,
 263                           GLenum format, GLenum type,
 264                           const GLvoid *pixels,
 265                           const struct gl_pixelstore_attrib *packing,
 266                           struct gl_texture_object *texObj,
 267                           struct gl_texture_image *texImage );
 268
 269    /**
 270     * Called by glTexSubImage2D().
 271     *
 272     * \sa dd_function_table::TexSubImage1D.
 273     */
 274    void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 275                           GLint xoffset, GLint yoffset,
 276                           GLsizei width, GLsizei height,
 277                           GLenum format, GLenum type,
 278                           const GLvoid *pixels,
 279                           const struct gl_pixelstore_attrib *packing,
 280                           struct gl_texture_object *texObj,
 281                           struct gl_texture_image *texImage );
 282
 283    /**
 284     * Called by glTexSubImage3D().
 285     *
 286     * \sa dd_function_table::TexSubImage1D.
 287     */
 288    void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 289                           GLint xoffset, GLint yoffset, GLint zoffset,
 290                           GLsizei width, GLsizei height, GLint depth,
 291                           GLenum format, GLenum type,
 292                           const GLvoid *pixels,
 293                           const struct gl_pixelstore_attrib *packing,
 294                           struct gl_texture_object *texObj,
 295                           struct gl_texture_image *texImage );
 296
 297    /**
 298     * Called by glGetTexImage().
 299     */
 300    void (*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
 301                         GLenum format, GLenum type, GLvoid *pixels,
 302                         struct gl_texture_object *texObj,
 303                         struct gl_texture_image *texImage );
 304
 305    /**
 306     * Called by glCopyTexImage1D().
 307     *
 308     * Drivers should use a fallback routine from texstore.c if needed.
 309     */
 310    void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 311                            GLenum internalFormat, GLint x, GLint y,
 312                            GLsizei width, GLint border );
 313
 314    /**
 315     * Called by glCopyTexImage2D().
 316     *
 317     * Drivers should use a fallback routine from texstore.c if needed.
 318     */
 319    void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 320                            GLenum internalFormat, GLint x, GLint y,
 321                            GLsizei width, GLsizei height, GLint border );
 322
 323    /**
 324     * Called by glCopyTexSubImage1D().
 325     *
 326     * Drivers should use a fallback routine from texstore.c if needed.
 327     */
 328    void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 329                               GLint xoffset,
 330                               GLint x, GLint y, GLsizei width );
 331    /**
 332     * Called by glCopyTexSubImage2D().
 333     *
 334     * Drivers should use a fallback routine from texstore.c if needed.
 335     */
 336    void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 337                               GLint xoffset, GLint yoffset,
 338                               GLint x, GLint y,
 339                               GLsizei width, GLsizei height );
 340    /**
 341     * Called by glCopyTexSubImage3D().
 342     *
 343     * Drivers should use a fallback routine from texstore.c if needed.
 344     */
 345    void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 346                               GLint xoffset, GLint yoffset, GLint zoffset,
 347                               GLint x, GLint y,
 348                               GLsizei width, GLsizei height );
 349
 350    /**
 351     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
 352     */
 353    void (*GenerateMipmap)(GLcontext *ctx, GLenum target,
 354                           struct gl_texture_object *texObj);
 355
 356    /**
 357     * Called by glTexImage[123]D when user specifies a proxy texture
 358     * target.
 359     *
 360     * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
 361     */
 362    GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
 363                                   GLint level, GLint internalFormat,
 364                                   GLenum format, GLenum type,
 365                                   GLint width, GLint height,
 366                                   GLint depth, GLint border);
 367    /*@}*/
 368
 369
 370    /**
 371     * \name Compressed texture functions
 372     */
 373    /*@{*/
 374
 375    /**
 376     * Called by glCompressedTexImage1D().
 377     *
 378     * \param target user specified.
 379     * \param format user specified.
 380     * \param type user specified.
 381     * \param pixels user specified.
 382     * \param packing indicates the image packing of pixels.
 383     * \param texObj is the target texture object.
 384     * \param texImage is the target texture image.  It will have the texture \p
 385     * width, \p height, \p depth, \p border and \p internalFormat information.
 386     *
 387     * \a retainInternalCopy is returned by this function and indicates whether
 388     * core Mesa should keep an internal copy of the texture image.
 389     */
 390    void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
 391                                  GLint level, GLint internalFormat,
 392                                  GLsizei width, GLint border,
 393                                  GLsizei imageSize, const GLvoid *data,
 394                                  struct gl_texture_object *texObj,
 395                                  struct gl_texture_image *texImage );
 396    /**
 397     * Called by glCompressedTexImage2D().
 398     *
 399     * \sa dd_function_table::CompressedTexImage1D.
 400     */
 401    void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
 402                                  GLint level, GLint internalFormat,
 403                                  GLsizei width, GLsizei height, GLint border,
 404                                  GLsizei imageSize, const GLvoid *data,
 405                                  struct gl_texture_object *texObj,
 406                                  struct gl_texture_image *texImage );
 407    /**
 408     * Called by glCompressedTexImage3D().
 409     *
 410     * \sa dd_function_table::CompressedTexImage3D.
 411     */
 412    void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
 413                                  GLint level, GLint internalFormat,
 414                                  GLsizei width, GLsizei height, GLsizei depth,
 415                                  GLint border,
 416                                  GLsizei imageSize, const GLvoid *data,
 417                                  struct gl_texture_object *texObj,
 418                                  struct gl_texture_image *texImage );
 419
 420    /**
 421     * Called by glCompressedTexSubImage1D().
 422     *
 423     * \param target user specified.
 424     * \param level user specified.
 425     * \param xoffset user specified.
 426     * \param yoffset user specified.
 427     * \param zoffset user specified.
 428     * \param width user specified.
 429     * \param height user specified.
 430     * \param depth user specified.
 431     * \param imageSize user specified.
 432     * \param data user specified.
 433     * \param texObj is the target texture object.
 434     * \param texImage is the target texture image.  It will have the texture \p
 435     * width, \p height, \p depth, \p border and \p internalFormat information.
 436     */
 437    void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
 438                                    GLint xoffset, GLsizei width,
 439                                    GLenum format,
 440                                    GLsizei imageSize, const GLvoid *data,
 441                                    struct gl_texture_object *texObj,
 442                                    struct gl_texture_image *texImage);
 443    /**
 444     * Called by glCompressedTexSubImage2D().
 445     *
 446     * \sa dd_function_table::CompressedTexImage3D.
 447     */
 448    void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
 449                                    GLint xoffset, GLint yoffset,
 450                                    GLsizei width, GLint height,
 451                                    GLenum format,
 452                                    GLsizei imageSize, const GLvoid *data,
 453                                    struct gl_texture_object *texObj,
 454                                    struct gl_texture_image *texImage);
 455    /**
 456     * Called by glCompressedTexSubImage3D().
 457     *
 458     * \sa dd_function_table::CompressedTexImage3D.
 459     */
 460    void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
 461                                    GLint xoffset, GLint yoffset, GLint zoffset,
 462                                    GLsizei width, GLint height, GLint depth,
 463                                    GLenum format,
 464                                    GLsizei imageSize, const GLvoid *data,
 465                                    struct gl_texture_object *texObj,
 466                                    struct gl_texture_image *texImage);
 467
 468
 469    /**
 470     * Called by glGetCompressedTexImage.
 471     */
 472    void (*GetCompressedTexImage)(GLcontext *ctx, GLenum target, GLint level,
 473                                  GLvoid *img,
 474                                  struct gl_texture_object *texObj,
 475                                  struct gl_texture_image *texImage);
 476
 477    /*@}*/
 478
 479    /**
 480     * \name Texture object functions
 481     */
 482    /*@{*/
 483
 484    /**
 485     * Called by glBindTexture().
 486     */
 487    void (*BindTexture)( GLcontext *ctx, GLenum target,
 488                         struct gl_texture_object *tObj );
 489
 490    /**
 491     * Called to allocate a new texture object.
 492     * A new gl_texture_object should be returned.  The driver should
 493     * attach to it any device-specific info it needs.
 494     */
 495    struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name,
 496                                                    GLenum target );
 497    /**
 498     * Called when a texture object is about to be deallocated.
 499     *
 500     * Driver should delete the gl_texture_object object and anything
 501     * hanging off of it.
 502     */
 503    void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 504
 505    /**
 506     * Called to allocate a new texture image object.
 507     */
 508    struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx );
 509
 510    /**
 511     * Called to free tImage->Data.
 512     */
 513    void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage );
 514
 515    /** Map texture image data into user space */
 516    void (*MapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 517    /** Unmap texture images from user space */
 518    void (*UnmapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 519
 520    /**
 521     * Note: no context argument.  This function doesn't initially look
 522     * like it belongs here, except that the driver is the only entity
 523     * that knows for sure how the texture memory is allocated - via
 524     * the above callbacks.  There is then an argument that the driver
 525     * knows what memcpy paths might be fast.  Typically this is invoked with
 526     *
 527     * to -- a pointer into texture memory allocated by NewTextureImage() above.
 528     * from -- a pointer into client memory or a mesa temporary.
 529     * sz -- nr bytes to copy.
 530     */
 531    void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
 532
 533    /**
 534     * Called by glAreTextureResident().
 535     */
 536    GLboolean (*IsTextureResident)( GLcontext *ctx,
 537                                    struct gl_texture_object *t );
 538
 539    /**
 540     * Called when the texture's color lookup table is changed.
 541     *
 542     * If \p tObj is NULL then the shared texture palette
 543     * gl_texture_object::Palette is to be updated.
 544     */
 545    void (*UpdateTexturePalette)( GLcontext *ctx,
 546                                  struct gl_texture_object *tObj );
 547    /*@}*/
 548
 549
 550    /**
 551     * \name Imaging functionality
 552     */
 553    /*@{*/
 554    void (*CopyColorTable)( GLcontext *ctx,
 555                            GLenum target, GLenum internalformat,
 556                            GLint x, GLint y, GLsizei width );
 557
 558    void (*CopyColorSubTable)( GLcontext *ctx,
 559                               GLenum target, GLsizei start,
 560                               GLint x, GLint y, GLsizei width );
 561    /*@}*/
 562
 563
 564    /**
 565     * \name Vertex/fragment program functions
 566     */
 567    /*@{*/
 568    /** Bind a vertex/fragment program */
 569    void (*BindProgram)(GLcontext *ctx, GLenum target, struct gl_program *prog);
 570    /** Allocate a new program */
 571    struct gl_program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id);
 572    /** Delete a program */
 573    void (*DeleteProgram)(GLcontext *ctx, struct gl_program *prog);
 574    /**
 575     * Notify driver that a program string (and GPU code) has been specified
 576     * or modified.  Return GL_TRUE or GL_FALSE to indicate if the program is
 577     * supported by the driver.
 578     */
 579    GLboolean (*ProgramStringNotify)(GLcontext *ctx, GLenum target,
 580                                     struct gl_program *prog);
 581
 582    /** Query if program can be loaded onto hardware */
 583    GLboolean (*IsProgramNative)(GLcontext *ctx, GLenum target,
 584                                 struct gl_program *prog);
 585
 586    /*@}*/
 587
 588    /**
 589     * \name GLSL shader/program functions.
 590     */
 591    /*@{*/
 592    /**
 593     * Called when a shader is compiled.
 594     *
 595     * Note that not all shader objects get ShaderCompile called on
 596     * them.  Notably, the shaders containing builtin functions do not
 597     * have CompileShader() called, so if lowering passes are done they
 598     * need to also be performed in LinkShader().
 599     */
 600    GLboolean (*CompileShader)(GLcontext *ctx, struct gl_shader *shader);
 601    /**
 602     * Called when a shader program is linked.
 603     *
 604     * This gives drivers an opportunity to clone the IR and make their
 605     * own transformations on it for the purposes of code generation.
 606     */
 607    GLboolean (*LinkShader)(GLcontext *ctx, struct gl_shader_program *shader);
 608    /*@}*/
 609
 610    /**
 611     * \name State-changing functions.
 612     *
 613     * \note drawing functions are above.
 614     *
 615     * These functions are called by their corresponding OpenGL API functions.
 616     * They are \e also called by the gl_PopAttrib() function!!!
 617     * May add more functions like these to the device driver in the future.
 618     */
 619    /*@{*/
 620    /** Specify the alpha test function */
 621    void (*AlphaFunc)(GLcontext *ctx, GLenum func, GLfloat ref);
 622    /** Set the blend color */
 623    void (*BlendColor)(GLcontext *ctx, const GLfloat color[4]);
 624    /** Set the blend equation */
 625    void (*BlendEquationSeparate)(GLcontext *ctx, GLenum modeRGB, GLenum modeA);
 626    /** Specify pixel arithmetic */
 627    void (*BlendFuncSeparate)(GLcontext *ctx,
 628                              GLenum sfactorRGB, GLenum dfactorRGB,
 629                              GLenum sfactorA, GLenum dfactorA);
 630    /** Specify clear values for the color buffers */
 631    void (*ClearColor)(GLcontext *ctx, const GLfloat color[4]);
 632    /** Specify the clear value for the depth buffer */
 633    void (*ClearDepth)(GLcontext *ctx, GLclampd d);
 634    /** Specify the clear value for the stencil buffer */
 635    void (*ClearStencil)(GLcontext *ctx, GLint s);
 636    /** Specify a plane against which all geometry is clipped */
 637    void (*ClipPlane)(GLcontext *ctx, GLenum plane, const GLfloat *equation );
 638    /** Enable and disable writing of frame buffer color components */
 639    void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
 640                      GLboolean bmask, GLboolean amask );
 641    void (*ColorMaskIndexed)(GLcontext *ctx, GLuint buf, GLboolean rmask,
 642                             GLboolean gmask, GLboolean bmask, GLboolean amask);
 643    /** Cause a material color to track the current color */
 644    void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode);
 645    /** Specify whether front- or back-facing facets can be culled */
 646    void (*CullFace)(GLcontext *ctx, GLenum mode);
 647    /** Define front- and back-facing polygons */
 648    void (*FrontFace)(GLcontext *ctx, GLenum mode);
 649    /** Specify the value used for depth buffer comparisons */
 650    void (*DepthFunc)(GLcontext *ctx, GLenum func);
 651    /** Enable or disable writing into the depth buffer */
 652    void (*DepthMask)(GLcontext *ctx, GLboolean flag);
 653    /** Specify mapping of depth values from NDC to window coordinates */
 654    void (*DepthRange)(GLcontext *ctx, GLclampd nearval, GLclampd farval);
 655    /** Specify the current buffer for writing */
 656    void (*DrawBuffer)( GLcontext *ctx, GLenum buffer );
 657    /** Specify the buffers for writing for fragment programs*/
 658    void (*DrawBuffers)( GLcontext *ctx, GLsizei n, const GLenum *buffers );
 659    /** Enable or disable server-side gl capabilities */
 660    void (*Enable)(GLcontext *ctx, GLenum cap, GLboolean state);
 661    /** Specify fog parameters */
 662    void (*Fogfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 663    /** Specify implementation-specific hints */
 664    void (*Hint)(GLcontext *ctx, GLenum target, GLenum mode);
 665    /** Set light source parameters.
 666     * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
 667     * been transformed to eye-space.
 668     */
 669    void (*Lightfv)(GLcontext *ctx, GLenum light,
 670                    GLenum pname, const GLfloat *params );
 671    /** Set the lighting model parameters */
 672    void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 673    /** Specify the line stipple pattern */
 674    void (*LineStipple)(GLcontext *ctx, GLint factor, GLushort pattern );
 675    /** Specify the width of rasterized lines */
 676    void (*LineWidth)(GLcontext *ctx, GLfloat width);
 677    /** Specify a logical pixel operation for color index rendering */
 678    void (*LogicOpcode)(GLcontext *ctx, GLenum opcode);
 679    void (*PointParameterfv)(GLcontext *ctx, GLenum pname,
 680                             const GLfloat *params);
 681    /** Specify the diameter of rasterized points */
 682    void (*PointSize)(GLcontext *ctx, GLfloat size);
 683    /** Select a polygon rasterization mode */
 684    void (*PolygonMode)(GLcontext *ctx, GLenum face, GLenum mode);
 685    /** Set the scale and units used to calculate depth values */
 686    void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units);
 687    /** Set the polygon stippling pattern */
 688    void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask );
 689    /* Specifies the current buffer for reading */
 690    void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
 691    /** Set rasterization mode */
 692    void (*RenderMode)(GLcontext *ctx, GLenum mode );
 693    /** Define the scissor box */
 694    void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 695    /** Select flat or smooth shading */
 696    void (*ShadeModel)(GLcontext *ctx, GLenum mode);
 697    /** OpenGL 2.0 two-sided StencilFunc */
 698    void (*StencilFuncSeparate)(GLcontext *ctx, GLenum face, GLenum func,
 699                                GLint ref, GLuint mask);
 700    /** OpenGL 2.0 two-sided StencilMask */
 701    void (*StencilMaskSeparate)(GLcontext *ctx, GLenum face, GLuint mask);
 702    /** OpenGL 2.0 two-sided StencilOp */
 703    void (*StencilOpSeparate)(GLcontext *ctx, GLenum face, GLenum fail,
 704                              GLenum zfail, GLenum zpass);
 705    /** Control the generation of texture coordinates */
 706    void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname,
 707                   const GLfloat *params);
 708    /** Set texture environment parameters */
 709    void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname,
 710                   const GLfloat *param);
 711    /** Set texture parameters */
 712    void (*TexParameter)(GLcontext *ctx, GLenum target,
 713                         struct gl_texture_object *texObj,
 714                         GLenum pname, const GLfloat *params);
 715    /** Set the viewport */
 716    void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 717    /*@}*/
 718
 719
 720    /**
 721     * \name Vertex/pixel buffer object functions
 722     */
 723    /*@{*/
 724    void (*BindBuffer)( GLcontext *ctx, GLenum target,
 725                        struct gl_buffer_object *obj );
 726
 727    struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer,
 728                                                  GLenum target );
 729
 730    void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj );
 731
 732    GLboolean (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
 733                             const GLvoid *data, GLenum usage,
 734                             struct gl_buffer_object *obj );
 735
 736    void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset,
 737                           GLsizeiptrARB size, const GLvoid *data,
 738                           struct gl_buffer_object *obj );
 739
 740    void (*GetBufferSubData)( GLcontext *ctx, GLenum target,
 741                              GLintptrARB offset, GLsizeiptrARB size,
 742                              GLvoid *data, struct gl_buffer_object *obj );
 743
 744    void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
 745                         struct gl_buffer_object *obj );
 746
 747    void (*CopyBufferSubData)( GLcontext *ctx,
 748                               struct gl_buffer_object *src,
 749                               struct gl_buffer_object *dst,
 750                               GLintptr readOffset, GLintptr writeOffset,
 751                               GLsizeiptr size );
 752
 753    /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
 754     */
 755    void * (*MapBufferRange)( GLcontext *ctx, GLenum target, GLintptr offset,
 756                              GLsizeiptr length, GLbitfield access,
 757                              struct gl_buffer_object *obj);
 758
 759    void (*FlushMappedBufferRange)(GLcontext *ctx, GLenum target,
 760                                   GLintptr offset, GLsizeiptr length,
 761                                   struct gl_buffer_object *obj);
 762
 763    GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
 764                              struct gl_buffer_object *obj );
 765    /*@}*/
 766
 767    /**
 768     * \name Functions for GL_APPLE_object_purgeable
 769     */
 770    /*@{*/
 771    /* variations on ObjectPurgeable */
 772    GLenum (*BufferObjectPurgeable)( GLcontext *ctx, struct gl_buffer_object *obj, GLenum option );
 773    GLenum (*RenderObjectPurgeable)( GLcontext *ctx, struct gl_renderbuffer *obj, GLenum option );
 774    GLenum (*TextureObjectPurgeable)( GLcontext *ctx, struct gl_texture_object *obj, GLenum option );
 775
 776    /* variations on ObjectUnpurgeable */
 777    GLenum (*BufferObjectUnpurgeable)( GLcontext *ctx, struct gl_buffer_object *obj, GLenum option );
 778    GLenum (*RenderObjectUnpurgeable)( GLcontext *ctx, struct gl_renderbuffer *obj, GLenum option );
 779    GLenum (*TextureObjectUnpurgeable)( GLcontext *ctx, struct gl_texture_object *obj, GLenum option );
 780    /*@}*/
 781
 782    /**
 783     * \name Functions for GL_EXT_framebuffer_{object,blit}.
 784     */
 785    /*@{*/
 786    struct gl_framebuffer * (*NewFramebuffer)(GLcontext *ctx, GLuint name);
 787    struct gl_renderbuffer * (*NewRenderbuffer)(GLcontext *ctx, GLuint name);
 788    void (*BindFramebuffer)(GLcontext *ctx, GLenum target,
 789                            struct gl_framebuffer *drawFb,
 790                            struct gl_framebuffer *readFb);
 791    void (*FramebufferRenderbuffer)(GLcontext *ctx,
 792                                    struct gl_framebuffer *fb,
 793                                    GLenum attachment,
 794                                    struct gl_renderbuffer *rb);
 795    void (*RenderTexture)(GLcontext *ctx,
 796                          struct gl_framebuffer *fb,
 797                          struct gl_renderbuffer_attachment *att);
 798    void (*FinishRenderTexture)(GLcontext *ctx,
 799                                struct gl_renderbuffer_attachment *att);
 800    void (*ValidateFramebuffer)(GLcontext *ctx,
 801                                struct gl_framebuffer *fb);
 802    /*@}*/
 803    void (*BlitFramebuffer)(GLcontext *ctx,
 804                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 805                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 806                            GLbitfield mask, GLenum filter);
 807
 808    /**
 809     * \name Query objects
 810     */
 811    /*@{*/
 812    struct gl_query_object * (*NewQueryObject)(GLcontext *ctx, GLuint id);
 813    void (*DeleteQuery)(GLcontext *ctx, struct gl_query_object *q);
 814    void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
 815    void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
 816    void (*CheckQuery)(GLcontext *ctx, struct gl_query_object *q);
 817    void (*WaitQuery)(GLcontext *ctx, struct gl_query_object *q);
 818    /*@}*/
 819
 820
 821    /**
 822     * \name Vertex Array objects
 823     */
 824    /*@{*/
 825    struct gl_array_object * (*NewArrayObject)(GLcontext *ctx, GLuint id);
 826    void (*DeleteArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 827    void (*BindArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 828    /*@}*/
 829
 830    /**
 831     * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
 832     */
 833    /*@{*/
 834    struct gl_shader *(*NewShader)(GLcontext *ctx, GLuint name, GLenum type);
 835    void (*DeleteShader)(GLcontext *ctx, struct gl_shader *shader);
 836    struct gl_shader_program *(*NewShaderProgram)(GLcontext *ctx, GLuint name);
 837    void (*DeleteShaderProgram)(GLcontext *ctx,
 838                                struct gl_shader_program *shProg);
 839    void (*UseProgram)(GLcontext *ctx, struct gl_shader_program *shProg);
 840    /*@}*/
 841
 842
 843    /**
 844     * \name Support for multiple T&L engines
 845     */
 846    /*@{*/
 847
 848    /**
 849     * Bitmask of state changes that require the current T&L module to be
 850     * validated, using ValidateTnlModule() below.
 851     */
 852    GLuint NeedValidate;
 853
 854    /**
 855     * Validate the current T&L module.
 856     *
 857     * This is called directly after UpdateState() when a state change that has
 858     * occurred matches the dd_function_table::NeedValidate bitmask above.  This
 859     * ensures all computed values are up to date, thus allowing the driver to
 860     * decide if the current T&L module needs to be swapped out.
 861     *
 862     * This must be non-NULL if a driver installs a custom T&L module and sets
 863     * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
 864     */
 865    void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state );
 866
 867
 868 #define PRIM_OUTSIDE_BEGIN_END   (GL_POLYGON+1)
 869 #define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
 870 #define PRIM_UNKNOWN             (GL_POLYGON+3)
 871
 872    /**
 873     * Set by the driver-supplied T&L engine.
 874     *
 875     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
 876     */
 877    GLuint CurrentExecPrimitive;
 878
 879    /**
 880     * Current state of an in-progress compilation.
 881     *
 882     * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
 883     * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
 884     */
 885    GLuint CurrentSavePrimitive;
 886
 887
 888 #define FLUSH_STORED_VERTICES 0x1
 889 #define FLUSH_UPDATE_CURRENT  0x2
 890    /**
 891     * Set by the driver-supplied T&L engine whenever vertices are buffered
 892     * between glBegin()/glEnd() objects or __GLcontextRec::Current is not
 893     * updated.
 894     *
 895     * The dd_function_table::FlushVertices call below may be used to resolve
 896     * these conditions.
 897     */
 898    GLuint NeedFlush;
 899    GLuint SaveNeedFlush;
 900
 901
 902    /* Called prior to any of the GLvertexformat functions being
 903     * called.  Paired with Driver.FlushVertices().
 904     */
 905    void (*BeginVertices)( GLcontext *ctx );
 906
 907    /**
 908     * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
 909     * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
 910     * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
 911     * __GLcontextRec::Current and gl_light_attrib::Material
 912     *
 913     * Note that the default T&L engine never clears the
 914     * FLUSH_UPDATE_CURRENT bit, even after performing the update.
 915     */
 916    void (*FlushVertices)( GLcontext *ctx, GLuint flags );
 917    void (*SaveFlushVertices)( GLcontext *ctx );
 918
 919    /**
 920     * Give the driver the opportunity to hook in its own vtxfmt for
 921     * compiling optimized display lists.  This is called on each valid
 922     * glBegin() during list compilation.
 923     */
 924    GLboolean (*NotifySaveBegin)( GLcontext *ctx, GLenum mode );
 925
 926    /**
 927     * Notify driver that the special derived value _NeedEyeCoords has
 928     * changed.
 929     */
 930    void (*LightingSpaceChange)( GLcontext *ctx );
 931
 932    /**
 933     * Called by glNewList().
 934     *
 935     * Let the T&L component know what is going on with display lists
 936     * in time to make changes to dispatch tables, etc.
 937     */
 938    void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode );
 939    /**
 940     * Called by glEndList().
 941     *
 942     * \sa dd_function_table::NewList.
 943     */
 944    void (*EndList)( GLcontext *ctx );
 945
 946    /**
 947     * Called by glCallList(s).
 948     *
 949     * Notify the T&L component before and after calling a display list.
 950     */
 951    void (*BeginCallList)( GLcontext *ctx,
 952                           struct gl_display_list *dlist );
 953    /**
 954     * Called by glEndCallList().
 955     *
 956     * \sa dd_function_table::BeginCallList.
 957     */
 958    void (*EndCallList)( GLcontext *ctx );
 959
 960
 961    /**
 962     * \name GL_ARB_sync interfaces
 963     */
 964    /*@{*/
 965    struct gl_sync_object * (*NewSyncObject)(GLcontext *, GLenum);
 966    void (*FenceSync)(GLcontext *, struct gl_sync_object *, GLenum, GLbitfield);
 967    void (*DeleteSyncObject)(GLcontext *, struct gl_sync_object *);
 968    void (*CheckSync)(GLcontext *, struct gl_sync_object *);
 969    void (*ClientWaitSync)(GLcontext *, struct gl_sync_object *,
 970                           GLbitfield, GLuint64);
 971    void (*ServerWaitSync)(GLcontext *, struct gl_sync_object *,
 972                           GLbitfield, GLuint64);
 973    /*@}*/
 974
 975    /** GL_NV_conditional_render */
 976    void (*BeginConditionalRender)(GLcontext *ctx, struct gl_query_object *q,
 977                                   GLenum mode);
 978    void (*EndConditionalRender)(GLcontext *ctx, struct gl_query_object *q);
 979
 980    /**
 981     * \name GL_OES_draw_texture interface
 982     */
 983    /*@{*/
 984    void (*DrawTex)(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z,
 985                    GLfloat width, GLfloat height);
 986    /*@}*/
 987
 988    /**
 989     * \name GL_OES_EGL_image interface
 990     */
 991    void (*EGLImageTargetTexture2D)(GLcontext *ctx, GLenum target,
 992                                    struct gl_texture_object *texObj,
 993                                    struct gl_texture_image *texImage,
 994                                    GLeglImageOES image_handle);
 995    void (*EGLImageTargetRenderbufferStorage)(GLcontext *ctx,
 996                                              struct gl_renderbuffer *rb,
 997                                              void *image_handle);
 998
 999    /**
1000     * \name GL_EXT_transform_feedback interface
1001     */
1002    struct gl_transform_feedback_object *
1003         (*NewTransformFeedback)(GLcontext *ctx, GLuint name);
1004    void (*DeleteTransformFeedback)(GLcontext *ctx,
1005                                    struct gl_transform_feedback_object *obj);
1006    void (*BeginTransformFeedback)(GLcontext *ctx, GLenum mode,
1007                                   struct gl_transform_feedback_object *obj);
1008    void (*EndTransformFeedback)(GLcontext *ctx,
1009                                 struct gl_transform_feedback_object *obj);
1010    void (*PauseTransformFeedback)(GLcontext *ctx,
1011                                   struct gl_transform_feedback_object *obj);
1012    void (*ResumeTransformFeedback)(GLcontext *ctx,
1013                                    struct gl_transform_feedback_object *obj);
1014    void (*DrawTransformFeedback)(GLcontext *ctx, GLenum mode,
1015                                  struct gl_transform_feedback_object *obj);
1016 };
1017
1018
1019 /**
1020  * Transform/Clip/Lighting interface
1021  *
1022  * Drivers present a reduced set of the functions possible in
1023  * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
1024  * remaining functions to map down to these entry points.
1025  *
1026  * These are the initial values to be installed into dispatch by
1027  * mesa.  If the T&L driver wants to modify the dispatch table
1028  * while installed, it must do so itself.  It would be possible for
1029  * the vertexformat to install its own initial values for these
1030  * functions, but this way there is an obvious list of what is
1031  * expected of the driver.
1032  *
1033  * If the driver wants to hook in entry points other than those
1034  * listed, it must restore them to their original values in
1035  * the disable() callback, below.
1036  */
1037 typedef struct {
1038    /**
1039     * \name Vertex
1040     */
1041    /*@{*/
1042    void (GLAPIENTRYP ArrayElement)( GLint );
1043    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1044    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1045    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1046    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1047    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1048    void (GLAPIENTRYP EvalCoord1f)( GLfloat );
1049    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
1050    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
1051    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
1052    void (GLAPIENTRYP EvalPoint1)( GLint );
1053    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
1054    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1055    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1056    void (GLAPIENTRYP Indexf)( GLfloat );
1057    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1058    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
1059    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1060    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1061    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1062    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1063    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1064    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1065    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1066    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1067    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1068    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1069    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1070    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1071    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1072    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1073    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1074    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1075    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1076    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1077    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1078    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1079    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1080    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1081    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1082    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1083    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1084    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1085    void (GLAPIENTRYP CallList)( GLuint );
1086    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
1087    void (GLAPIENTRYP Begin)( GLenum );
1088    void (GLAPIENTRYP End)( void );
1089    /* GL_NV_vertex_program */
1090    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1091    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1092    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1093    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1094    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1095    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1096    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1097    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1098    /* GL_ARB_vertex_program */
1099    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1100    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1101    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1102    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1103    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1104    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1105    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1106    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1107    /*@}*/
1108
1109    void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1110
1111    /**
1112     * \name Array
1113     */
1114    /*@{*/
1115    void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1116    void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1117                          const GLvoid *indices );
1118    void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1119                               GLuint end, GLsizei count,
1120                               GLenum type, const GLvoid *indices );
1121    void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
1122                                             GLenum type,
1123                                             const GLvoid **indices,
1124                                             GLsizei primcount);
1125    void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
1126                                               GLenum type,
1127                                               const GLvoid *indices,
1128                                               GLint basevertex );
1129    void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
1130                                                    GLuint end, GLsizei count,
1131                                                    GLenum type,
1132                                                    const GLvoid *indices,
1133                                                    GLint basevertex);
1134    void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
1135                                                    const GLsizei *count,
1136                                                    GLenum type,
1137                                                    const GLvoid **indices,
1138                                                    GLsizei primcount,
1139                                                    const GLint *basevertex);
1140    void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first,
1141                                           GLsizei count, GLsizei primcount);
1142    void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count,
1143                                             GLenum type, const GLvoid *indices,
1144                                             GLsizei primcount);
1145    /*@}*/
1146
1147    /**
1148     * \name Eval
1149     *
1150     * If you don't support eval, fallback to the default vertex format
1151     * on receiving an eval call and use the pipeline mechanism to
1152     * provide partial T&L acceleration.
1153     *
1154     * Mesa will provide a set of helper functions to do eval within
1155     * accelerated vertex formats, eventually...
1156     */
1157    /*@{*/
1158    void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1159    void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1160    /*@}*/
1161
1162 } GLvertexformat;
1163
1164
1165 #endif /* DD_INCLUDED */