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 mesa_display_list;
  38
  39 /**
  40  * Device driver function table.
  41  * Core Mesa uses these function pointers to call into device drivers.
  42  * Most of these functions directly correspond to OpenGL state commands.
  43  * Core Mesa will call these functions after error checking has been done
  44  * so that the drivers don't have to worry about error testing.
  45  *
  46  * Vertex transformation/clipping/lighting is patched into the T&L module.
  47  * Rasterization functions are patched into the swrast module.
  48  *
  49  * Note: when new functions are added here, the drivers/common/driverfuncs.c
  50  * file should be updated too!!!
  51  */
  52 struct dd_function_table {
  53    /**
  54     * Return a string as needed by glGetString().
  55     * Only the GL_RENDERER query must be implemented.  Otherwise, NULL can be
  56     * returned.
  57     */
  58    const GLubyte * (*GetString)( GLcontext *ctx, GLenum name );
  59
  60    /**
  61     * Notify the driver after Mesa has made some internal state changes.
  62     *
  63     * This is in addition to any state change callbacks Mesa may already have
  64     * made.
  65     */
  66    void (*UpdateState)( GLcontext *ctx, GLbitfield new_state );
  67
  68    /**
  69     * Get the width and height of the named buffer/window.
  70     *
  71     * Mesa uses this to determine when the driver's window size has changed.
  72     * XXX OBSOLETE: this function will be removed in the future.
  73     */
  74    void (*GetBufferSize)( GLframebuffer *buffer,
  75                           GLuint *width, GLuint *height );
  76
  77    /**
  78     * Resize the given framebuffer to the given size.
  79     * XXX OBSOLETE: this function will be removed in the future.
  80     */
  81    void (*ResizeBuffers)( GLcontext *ctx, GLframebuffer *fb,
  82                           GLuint width, GLuint height);
  83
  84    /**
  85     * Called whenever an error is generated.
  86     * __GLcontextRec::ErrorValue contains the error value.
  87     */
  88    void (*Error)( GLcontext *ctx );
  89
  90    /**
  91     * This is called whenever glFinish() is called.
  92     */
  93    void (*Finish)( GLcontext *ctx );
  94
  95    /**
  96     * This is called whenever glFlush() is called.
  97     */
  98    void (*Flush)( GLcontext *ctx );
  99
 100    /**
 101     * Clear the color/depth/stencil/accum buffer(s).
 102     * \param buffers  a bitmask of BUFFER_BIT_* flags indicating which
 103     *                 renderbuffers need to be cleared.
 104     */
 105    void (*Clear)( GLcontext *ctx, GLbitfield buffers );
 106
 107    /**
 108     * Execute glAccum command.
 109     */
 110    void (*Accum)( GLcontext *ctx, GLenum op, GLfloat value );
 111
 112
 113    /**
 114     * Execute glRasterPos, updating the ctx->Current.Raster fields
 115     */
 116    void (*RasterPos)( GLcontext *ctx, const GLfloat v[4] );
 117
 118    /**
 119     * \name Image-related functions
 120     */
 121    /*@{*/
 122
 123    /**
 124     * Called by glDrawPixels().
 125     * \p unpack describes how to unpack the source image data.
 126     */
 127    void (*DrawPixels)( GLcontext *ctx,
 128                        GLint x, GLint y, GLsizei width, GLsizei height,
 129                        GLenum format, GLenum type,
 130                        const struct gl_pixelstore_attrib *unpack,
 131                        const GLvoid *pixels );
 132
 133    /**
 134     * Called by glReadPixels().
 135     */
 136    void (*ReadPixels)( GLcontext *ctx,
 137                        GLint x, GLint y, GLsizei width, GLsizei height,
 138                        GLenum format, GLenum type,
 139                        const struct gl_pixelstore_attrib *unpack,
 140                        GLvoid *dest );
 141
 142    /**
 143     * Called by glCopyPixels().
 144     */
 145    void (*CopyPixels)( GLcontext *ctx, GLint srcx, GLint srcy,
 146                        GLsizei width, GLsizei height,
 147                        GLint dstx, GLint dsty, GLenum type );
 148
 149    /**
 150     * Called by glBitmap().
 151     */
 152    void (*Bitmap)( GLcontext *ctx,
 153                    GLint x, GLint y, GLsizei width, GLsizei height,
 154                    const struct gl_pixelstore_attrib *unpack,
 155                    const GLubyte *bitmap );
 156    /*@}*/
 157
 158
 159    /**
 160     * \name Texture image functions
 161     */
 162    /*@{*/
 163
 164    /**
 165     * Choose texture format.
 166     *
 167     * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
 168     * functions.  The driver should examine \p internalFormat and return a
 169     * pointer to an appropriate gl_texture_format.
 170     */
 171    const struct gl_texture_format *(*ChooseTextureFormat)( GLcontext *ctx,
 172                       GLint internalFormat, GLenum srcFormat, GLenum srcType );
 173
 174    /**
 175     * Called by glTexImage1D().
 176     *
 177     * \param target user specified.
 178     * \param format user specified.
 179     * \param type user specified.
 180     * \param pixels user specified.
 181     * \param packing indicates the image packing of pixels.
 182     * \param texObj is the target texture object.
 183     * \param texImage is the target texture image.  It will have the texture \p
 184     * width, \p height, \p depth, \p border and \p internalFormat information.
 185     *
 186     * \p retainInternalCopy is returned by this function and indicates whether
 187     * core Mesa should keep an internal copy of the texture image.
 188     *
 189     * Drivers should call a fallback routine from texstore.c if needed.
 190     */
 191    void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 192                        GLint internalFormat,
 193                        GLint width, GLint border,
 194                        GLenum format, GLenum type, const GLvoid *pixels,
 195                        const struct gl_pixelstore_attrib *packing,
 196                        struct gl_texture_object *texObj,
 197                        struct gl_texture_image *texImage );
 198
 199    /**
 200     * Called by glTexImage2D().
 201     *
 202     * \sa dd_function_table::TexImage1D.
 203     */
 204    void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 205                        GLint internalFormat,
 206                        GLint width, GLint height, GLint border,
 207                        GLenum format, GLenum type, const GLvoid *pixels,
 208                        const struct gl_pixelstore_attrib *packing,
 209                        struct gl_texture_object *texObj,
 210                        struct gl_texture_image *texImage );
 211
 212    /**
 213     * Called by glTexImage3D().
 214     *
 215     * \sa dd_function_table::TexImage1D.
 216     */
 217    void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
 218                        GLint internalFormat,
 219                        GLint width, GLint height, GLint depth, GLint border,
 220                        GLenum format, GLenum type, const GLvoid *pixels,
 221                        const struct gl_pixelstore_attrib *packing,
 222                        struct gl_texture_object *texObj,
 223                        struct gl_texture_image *texImage );
 224
 225    /**
 226     * Called by glTexSubImage1D().
 227     *
 228     * \param target user specified.
 229     * \param level user specified.
 230     * \param xoffset user specified.
 231     * \param yoffset user specified.
 232     * \param zoffset user specified.
 233     * \param width user specified.
 234     * \param height user specified.
 235     * \param depth user specified.
 236     * \param format user specified.
 237     * \param type user specified.
 238     * \param pixels user specified.
 239     * \param packing indicates the image packing of pixels.
 240     * \param texObj is the target texture object.
 241     * \param texImage is the target texture image.  It will have the texture \p
 242     * width, \p height, \p border and \p internalFormat information.
 243     *
 244     * The driver should use a fallback routine from texstore.c if needed.
 245     */
 246    void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 247                           GLint xoffset, GLsizei width,
 248                           GLenum format, GLenum type,
 249                           const GLvoid *pixels,
 250                           const struct gl_pixelstore_attrib *packing,
 251                           struct gl_texture_object *texObj,
 252                           struct gl_texture_image *texImage );
 253
 254    /**
 255     * Called by glTexSubImage2D().
 256     *
 257     * \sa dd_function_table::TexSubImage1D.
 258     */
 259    void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 260                           GLint xoffset, GLint yoffset,
 261                           GLsizei width, GLsizei height,
 262                           GLenum format, GLenum type,
 263                           const GLvoid *pixels,
 264                           const struct gl_pixelstore_attrib *packing,
 265                           struct gl_texture_object *texObj,
 266                           struct gl_texture_image *texImage );
 267
 268    /**
 269     * Called by glTexSubImage3D().
 270     *
 271     * \sa dd_function_table::TexSubImage1D.
 272     */
 273    void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 274                           GLint xoffset, GLint yoffset, GLint zoffset,
 275                           GLsizei width, GLsizei height, GLint depth,
 276                           GLenum format, GLenum type,
 277                           const GLvoid *pixels,
 278                           const struct gl_pixelstore_attrib *packing,
 279                           struct gl_texture_object *texObj,
 280                           struct gl_texture_image *texImage );
 281
 282    /**
 283     * Called by glGetTexImage().
 284     */
 285    void (*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
 286                         GLenum format, GLenum type, GLvoid *pixels,
 287                         struct gl_texture_object *texObj,
 288                         struct gl_texture_image *texImage );
 289
 290    /**
 291     * Called by glCopyTexImage1D().
 292     *
 293     * Drivers should use a fallback routine from texstore.c if needed.
 294     */
 295    void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 296                            GLenum internalFormat, GLint x, GLint y,
 297                            GLsizei width, GLint border );
 298
 299    /**
 300     * Called by glCopyTexImage2D().
 301     *
 302     * Drivers should use a fallback routine from texstore.c if needed.
 303     */
 304    void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 305                            GLenum internalFormat, GLint x, GLint y,
 306                            GLsizei width, GLsizei height, GLint border );
 307
 308    /**
 309     * Called by glCopyTexSubImage1D().
 310     *
 311     * Drivers should use a fallback routine from texstore.c if needed.
 312     */
 313    void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 314                               GLint xoffset,
 315                               GLint x, GLint y, GLsizei width );
 316    /**
 317     * Called by glCopyTexSubImage2D().
 318     *
 319     * Drivers should use a fallback routine from texstore.c if needed.
 320     */
 321    void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 322                               GLint xoffset, GLint yoffset,
 323                               GLint x, GLint y,
 324                               GLsizei width, GLsizei height );
 325    /**
 326     * Called by glCopyTexSubImage3D().
 327     *
 328     * Drivers should use a fallback routine from texstore.c if needed.
 329     */
 330    void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 331                               GLint xoffset, GLint yoffset, GLint zoffset,
 332                               GLint x, GLint y,
 333                               GLsizei width, GLsizei height );
 334
 335    /**
 336     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
 337     */
 338    void (*GenerateMipmap)(GLcontext *ctx,  GLenum target,
 339                           const struct gl_texture_unit *texUnit,
 340                           struct gl_texture_object *texObj);
 341
 342    /**
 343     * Called by glTexImage[123]D when user specifies a proxy texture
 344     * target.
 345     *
 346     * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
 347     */
 348    GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
 349                                   GLint level, GLint internalFormat,
 350                                   GLenum format, GLenum type,
 351                                   GLint width, GLint height,
 352                                   GLint depth, GLint border);
 353    /*@}*/
 354
 355
 356    /**
 357     * \name Compressed texture functions
 358     */
 359    /*@{*/
 360
 361    /**
 362     * Called by glCompressedTexImage1D().
 363     *
 364     * \param target user specified.
 365     * \param format user specified.
 366     * \param type user specified.
 367     * \param pixels user specified.
 368     * \param packing indicates the image packing of pixels.
 369     * \param texObj is the target texture object.
 370     * \param texImage is the target texture image.  It will have the texture \p
 371     * width, \p height, \p depth, \p border and \p internalFormat information.
 372     *
 373     * \a retainInternalCopy is returned by this function and indicates whether
 374     * core Mesa should keep an internal copy of the texture image.
 375     */
 376    void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
 377                                  GLint level, GLint internalFormat,
 378                                  GLsizei width, GLint border,
 379                                  GLsizei imageSize, const GLvoid *data,
 380                                  struct gl_texture_object *texObj,
 381                                  struct gl_texture_image *texImage );
 382    /**
 383     * Called by glCompressedTexImage2D().
 384     *
 385     * \sa dd_function_table::CompressedTexImage1D.
 386     */
 387    void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
 388                                  GLint level, GLint internalFormat,
 389                                  GLsizei width, GLsizei height, GLint border,
 390                                  GLsizei imageSize, const GLvoid *data,
 391                                  struct gl_texture_object *texObj,
 392                                  struct gl_texture_image *texImage );
 393    /**
 394     * Called by glCompressedTexImage3D().
 395     *
 396     * \sa dd_function_table::CompressedTexImage3D.
 397     */
 398    void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
 399                                  GLint level, GLint internalFormat,
 400                                  GLsizei width, GLsizei height, GLsizei depth,
 401                                  GLint border,
 402                                  GLsizei imageSize, const GLvoid *data,
 403                                  struct gl_texture_object *texObj,
 404                                  struct gl_texture_image *texImage );
 405
 406    /**
 407     * Called by glCompressedTexSubImage1D().
 408     *
 409     * \param target user specified.
 410     * \param level user specified.
 411     * \param xoffset user specified.
 412     * \param yoffset user specified.
 413     * \param zoffset user specified.
 414     * \param width user specified.
 415     * \param height user specified.
 416     * \param depth user specified.
 417     * \param imageSize user specified.
 418     * \param data user specified.
 419     * \param texObj is the target texture object.
 420     * \param texImage is the target texture image.  It will have the texture \p
 421     * width, \p height, \p depth, \p border and \p internalFormat information.
 422     */
 423    void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
 424                                    GLint xoffset, GLsizei width,
 425                                    GLenum format,
 426                                    GLsizei imageSize, const GLvoid *data,
 427                                    struct gl_texture_object *texObj,
 428                                    struct gl_texture_image *texImage);
 429    /**
 430     * Called by glCompressedTexSubImage2D().
 431     *
 432     * \sa dd_function_table::CompressedTexImage3D.
 433     */
 434    void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
 435                                    GLint xoffset, GLint yoffset,
 436                                    GLsizei width, GLint height,
 437                                    GLenum format,
 438                                    GLsizei imageSize, const GLvoid *data,
 439                                    struct gl_texture_object *texObj,
 440                                    struct gl_texture_image *texImage);
 441    /**
 442     * Called by glCompressedTexSubImage3D().
 443     *
 444     * \sa dd_function_table::CompressedTexImage3D.
 445     */
 446    void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
 447                                    GLint xoffset, GLint yoffset, GLint zoffset,
 448                                    GLsizei width, GLint height, GLint depth,
 449                                    GLenum format,
 450                                    GLsizei imageSize, const GLvoid *data,
 451                                    struct gl_texture_object *texObj,
 452                                    struct gl_texture_image *texImage);
 453
 454
 455    /**
 456     * Called by glGetCompressedTexImage.
 457     */
 458    void (*GetCompressedTexImage)(GLcontext *ctx, GLenum target, GLint level,
 459                                  GLvoid *img,
 460                                  const struct gl_texture_object *texObj,
 461                                  const struct gl_texture_image *texImage);
 462
 463    /**
 464     * Called to query number of bytes of storage needed to store the
 465     * specified compressed texture.
 466     */
 467    GLuint (*CompressedTextureSize)( GLcontext *ctx, GLsizei width,
 468                                     GLsizei height, GLsizei depth,
 469                                     GLenum format );
 470    /*@}*/
 471
 472    /**
 473     * \name Texture object functions
 474     */
 475    /*@{*/
 476
 477    /**
 478     * Called by glBindTexture().
 479     */
 480    void (*BindTexture)( GLcontext *ctx, GLenum target,
 481                         struct gl_texture_object *tObj );
 482
 483    /**
 484     * Called to allocate a new texture object.
 485     * A new gl_texture_object should be returned.  The driver should
 486     * attach to it any device-specific info it needs.
 487     */
 488    struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name,
 489                                                    GLenum target );
 490    /**
 491     * Called when a texture object is about to be deallocated.
 492     *
 493     * Driver should delete the gl_texture_object object and anything
 494     * hanging off of it.
 495     */
 496    void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 497
 498    /**
 499     * Called to allocate a new texture image object.
 500     */
 501    struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx );
 502
 503    /**
 504     * Called to free tImage->Data.
 505     */
 506    void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage );
 507
 508    /**
 509     * Note: no context argument.  This function doesn't initially look
 510     * like it belongs here, except that the driver is the only entity
 511     * that knows for sure how the texture memory is allocated - via
 512     * the above callbacks.  There is then an argument that the driver
 513     * knows what memcpy paths might be fast.  Typically this is invoked with
 514     *
 515     * to -- a pointer into texture memory allocated by NewTextureImage() above.
 516     * from -- a pointer into client memory or a mesa temporary.
 517     * sz -- nr bytes to copy.
 518     */
 519    void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
 520
 521    /**
 522     * Called by glAreTextureResident().
 523     */
 524    GLboolean (*IsTextureResident)( GLcontext *ctx,
 525                                    struct gl_texture_object *t );
 526
 527    /**
 528     * Called by glPrioritizeTextures().
 529     */
 530    void (*PrioritizeTexture)( GLcontext *ctx,  struct gl_texture_object *t,
 531                               GLclampf priority );
 532
 533    /**
 534     * Called by glActiveTextureARB() to set current texture unit.
 535     */
 536    void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
 537
 538    /**
 539     * Called when the texture's color lookup table is changed.
 540     *
 541     * If \p tObj is NULL then the shared texture palette
 542     * gl_texture_object::Palette is to be updated.
 543     */
 544    void (*UpdateTexturePalette)( GLcontext *ctx,
 545                                  struct gl_texture_object *tObj );
 546    /*@}*/
 547
 548
 549    /**
 550     * \name Imaging functionality
 551     */
 552    /*@{*/
 553    void (*CopyColorTable)( GLcontext *ctx,
 554                            GLenum target, GLenum internalformat,
 555                            GLint x, GLint y, GLsizei width );
 556
 557    void (*CopyColorSubTable)( GLcontext *ctx,
 558                               GLenum target, GLsizei start,
 559                               GLint x, GLint y, GLsizei width );
 560
 561    void (*CopyConvolutionFilter1D)( GLcontext *ctx, GLenum target,
 562                                     GLenum internalFormat,
 563                                     GLint x, GLint y, GLsizei width );
 564
 565    void (*CopyConvolutionFilter2D)( GLcontext *ctx, GLenum target,
 566                                     GLenum internalFormat,
 567                                     GLint x, GLint y,
 568                                     GLsizei width, GLsizei height );
 569    /*@}*/
 570
 571
 572    /**
 573     * \name Vertex/fragment program functions
 574     */
 575    /*@{*/
 576    /** Bind a vertex/fragment program */
 577    void (*BindProgram)(GLcontext *ctx, GLenum target, struct gl_program *prog);
 578    /** Allocate a new program */
 579    struct gl_program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id);
 580    /** Delete a program */
 581    void (*DeleteProgram)(GLcontext *ctx, struct gl_program *prog);
 582    /** Notify driver that a program string has been specified. */
 583    void (*ProgramStringNotify)(GLcontext *ctx, GLenum target,
 584                                struct gl_program *prog);
 585    /** Get value of a program register during program execution. */
 586    void (*GetProgramRegister)(GLcontext *ctx, enum register_file file,
 587                               GLuint index, GLfloat val[4]);
 588
 589    /** Query if program can be loaded onto hardware */
 590    GLboolean (*IsProgramNative)(GLcontext *ctx, GLenum target,
 591                                 struct gl_program *prog);
 592
 593    /*@}*/
 594
 595
 596    /**
 597     * \name State-changing functions.
 598     *
 599     * \note drawing functions are above.
 600     *
 601     * These functions are called by their corresponding OpenGL API functions.
 602     * They are \e also called by the gl_PopAttrib() function!!!
 603     * May add more functions like these to the device driver in the future.
 604     */
 605    /*@{*/
 606    /** Specify the alpha test function */
 607    void (*AlphaFunc)(GLcontext *ctx, GLenum func, GLfloat ref);
 608    /** Set the blend color */
 609    void (*BlendColor)(GLcontext *ctx, const GLfloat color[4]);
 610    /** Set the blend equation */
 611    void (*BlendEquationSeparate)(GLcontext *ctx, GLenum modeRGB, GLenum modeA);
 612    /** Specify pixel arithmetic */
 613    void (*BlendFuncSeparate)(GLcontext *ctx,
 614                              GLenum sfactorRGB, GLenum dfactorRGB,
 615                              GLenum sfactorA, GLenum dfactorA);
 616    /** Specify clear values for the color buffers */
 617    void (*ClearColor)(GLcontext *ctx, const GLfloat color[4]);
 618    /** Specify the clear value for the depth buffer */
 619    void (*ClearDepth)(GLcontext *ctx, GLclampd d);
 620    /** Specify the clear value for the color index buffers */
 621    void (*ClearIndex)(GLcontext *ctx, GLuint index);
 622    /** Specify the clear value for the stencil buffer */
 623    void (*ClearStencil)(GLcontext *ctx, GLint s);
 624    /** Specify a plane against which all geometry is clipped */
 625    void (*ClipPlane)(GLcontext *ctx, GLenum plane, const GLfloat *equation );
 626    /** Enable and disable writing of frame buffer color components */
 627    void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
 628                      GLboolean bmask, GLboolean amask );
 629    /** Cause a material color to track the current color */
 630    void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode);
 631    /** Specify whether front- or back-facing facets can be culled */
 632    void (*CullFace)(GLcontext *ctx, GLenum mode);
 633    /** Define front- and back-facing polygons */
 634    void (*FrontFace)(GLcontext *ctx, GLenum mode);
 635    /** Specify the value used for depth buffer comparisons */
 636    void (*DepthFunc)(GLcontext *ctx, GLenum func);
 637    /** Enable or disable writing into the depth buffer */
 638    void (*DepthMask)(GLcontext *ctx, GLboolean flag);
 639    /** Specify mapping of depth values from NDC to window coordinates */
 640    void (*DepthRange)(GLcontext *ctx, GLclampd nearval, GLclampd farval);
 641    /** Specify the current buffer for writing */
 642    void (*DrawBuffer)( GLcontext *ctx, GLenum buffer );
 643    /** Specify the buffers for writing for fragment programs*/
 644    void (*DrawBuffers)( GLcontext *ctx, GLsizei n, const GLenum *buffers );
 645    /** Enable or disable server-side gl capabilities */
 646    void (*Enable)(GLcontext *ctx, GLenum cap, GLboolean state);
 647    /** Specify fog parameters */
 648    void (*Fogfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 649    /** Specify implementation-specific hints */
 650    void (*Hint)(GLcontext *ctx, GLenum target, GLenum mode);
 651    /** Control the writing of individual bits in the color index buffers */
 652    void (*IndexMask)(GLcontext *ctx, GLuint mask);
 653    /** Set light source parameters.
 654     * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
 655     * been transformed to eye-space.
 656     */
 657    void (*Lightfv)(GLcontext *ctx, GLenum light,
 658                    GLenum pname, const GLfloat *params );
 659    /** Set the lighting model parameters */
 660    void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 661    /** Specify the line stipple pattern */
 662    void (*LineStipple)(GLcontext *ctx, GLint factor, GLushort pattern );
 663    /** Specify the width of rasterized lines */
 664    void (*LineWidth)(GLcontext *ctx, GLfloat width);
 665    /** Specify a logical pixel operation for color index rendering */
 666    void (*LogicOpcode)(GLcontext *ctx, GLenum opcode);
 667    void (*PointParameterfv)(GLcontext *ctx, GLenum pname,
 668                             const GLfloat *params);
 669    /** Specify the diameter of rasterized points */
 670    void (*PointSize)(GLcontext *ctx, GLfloat size);
 671    /** Select a polygon rasterization mode */
 672    void (*PolygonMode)(GLcontext *ctx, GLenum face, GLenum mode);
 673    /** Set the scale and units used to calculate depth values */
 674    void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units);
 675    /** Set the polygon stippling pattern */
 676    void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask );
 677    /* Specifies the current buffer for reading */
 678    void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
 679    /** Set rasterization mode */
 680    void (*RenderMode)(GLcontext *ctx, GLenum mode );
 681    /** Define the scissor box */
 682    void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 683    /** Select flat or smooth shading */
 684    void (*ShadeModel)(GLcontext *ctx, GLenum mode);
 685    /** OpenGL 2.0 two-sided StencilFunc */
 686    void (*StencilFuncSeparate)(GLcontext *ctx, GLenum face, GLenum func,
 687                                GLint ref, GLuint mask);
 688    /** OpenGL 2.0 two-sided StencilMask */
 689    void (*StencilMaskSeparate)(GLcontext *ctx, GLenum face, GLuint mask);
 690    /** OpenGL 2.0 two-sided StencilOp */
 691    void (*StencilOpSeparate)(GLcontext *ctx, GLenum face, GLenum fail,
 692                              GLenum zfail, GLenum zpass);
 693    /** Control the generation of texture coordinates */
 694    void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname,
 695                   const GLfloat *params);
 696    /** Set texture environment parameters */
 697    void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname,
 698                   const GLfloat *param);
 699    /** Set texture parameters */
 700    void (*TexParameter)(GLcontext *ctx, GLenum target,
 701                         struct gl_texture_object *texObj,
 702                         GLenum pname, const GLfloat *params);
 703    void (*TextureMatrix)(GLcontext *ctx, GLuint unit, const GLmatrix *mat);
 704    /** Set the viewport */
 705    void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 706    /*@}*/
 707
 708
 709    /**
 710     * \name Vertex array functions
 711     *
 712     * Called by the corresponding OpenGL functions.
 713     */
 714    /*@{*/
 715    void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type,
 716                          GLsizei stride, const GLvoid *ptr);
 717    void (*NormalPointer)(GLcontext *ctx, GLenum type,
 718                          GLsizei stride, const GLvoid *ptr);
 719    void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type,
 720                         GLsizei stride, const GLvoid *ptr);
 721    void (*FogCoordPointer)(GLcontext *ctx, GLenum type,
 722                            GLsizei stride, const GLvoid *ptr);
 723    void (*IndexPointer)(GLcontext *ctx, GLenum type,
 724                         GLsizei stride, const GLvoid *ptr);
 725    void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type,
 726                                  GLsizei stride, const GLvoid *ptr);
 727    void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type,
 728                            GLsizei stride, const GLvoid *ptr);
 729    void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr);
 730    void (*VertexAttribPointer)(GLcontext *ctx, GLuint index, GLint size,
 731                                GLenum type, GLsizei stride, const GLvoid *ptr);
 732    void (*LockArraysEXT)( GLcontext *ctx, GLint first, GLsizei count );
 733    void (*UnlockArraysEXT)( GLcontext *ctx );
 734    /*@}*/
 735
 736
 737    /**
 738     * \name State-query functions
 739     *
 740     * Return GL_TRUE if query was completed, GL_FALSE otherwise.
 741     */
 742    /*@{*/
 743    /** Return the value or values of a selected parameter */
 744    GLboolean (*GetBooleanv)(GLcontext *ctx, GLenum pname, GLboolean *result);
 745    /** Return the value or values of a selected parameter */
 746    GLboolean (*GetDoublev)(GLcontext *ctx, GLenum pname, GLdouble *result);
 747    /** Return the value or values of a selected parameter */
 748    GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result);
 749    /** Return the value or values of a selected parameter */
 750    GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result);
 751    /** Return the value or values of a selected parameter */
 752    GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result);
 753    /*@}*/
 754
 755
 756    /**
 757     * \name Vertex/pixel buffer object functions
 758     */
 759 #if FEATURE_ARB_vertex_buffer_object
 760    /*@{*/
 761    void (*BindBuffer)( GLcontext *ctx, GLenum target,
 762                        struct gl_buffer_object *obj );
 763
 764    struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer,
 765                                                  GLenum target );
 766
 767    void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj );
 768
 769    void (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
 770                        const GLvoid *data, GLenum usage,
 771                        struct gl_buffer_object *obj );
 772
 773    void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset,
 774                           GLsizeiptrARB size, const GLvoid *data,
 775                           struct gl_buffer_object *obj );
 776
 777    void (*GetBufferSubData)( GLcontext *ctx, GLenum target,
 778                              GLintptrARB offset, GLsizeiptrARB size,
 779                              GLvoid *data, struct gl_buffer_object *obj );
 780
 781    void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
 782                         struct gl_buffer_object *obj );
 783
 784    GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
 785                              struct gl_buffer_object *obj );
 786    /*@}*/
 787 #endif
 788
 789    /**
 790     * \name Functions for GL_EXT_framebuffer_object
 791     */
 792 #if FEATURE_EXT_framebuffer_object
 793    /*@{*/
 794    struct gl_framebuffer * (*NewFramebuffer)(GLcontext *ctx, GLuint name);
 795    struct gl_renderbuffer * (*NewRenderbuffer)(GLcontext *ctx, GLuint name);
 796    void (*BindFramebuffer)(GLcontext *ctx, GLenum target,
 797                            struct gl_framebuffer *fb, struct gl_framebuffer *fbread);
 798    void (*FramebufferRenderbuffer)(GLcontext *ctx,
 799                                    struct gl_framebuffer *fb,
 800                                    GLenum attachment,
 801                                    struct gl_renderbuffer *rb);
 802    void (*RenderTexture)(GLcontext *ctx,
 803                          struct gl_framebuffer *fb,
 804                          struct gl_renderbuffer_attachment *att);
 805    void (*FinishRenderTexture)(GLcontext *ctx,
 806                                struct gl_renderbuffer_attachment *att);
 807    /*@}*/
 808 #endif
 809 #if FEATURE_EXT_framebuffer_blit
 810    void (*BlitFramebuffer)(GLcontext *ctx,
 811                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 812                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 813                            GLbitfield mask, GLenum filter);
 814 #endif
 815
 816    /**
 817     * \name Query objects
 818     */
 819    /*@{*/
 820    struct gl_query_object * (*NewQueryObject)(GLcontext *ctx, GLuint id);
 821    void (*DeleteQuery)(GLcontext *ctx, struct gl_query_object *q);
 822    void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
 823    void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
 824    void (*CheckQuery)(GLcontext *ctx, struct gl_query_object *q);
 825    void (*WaitQuery)(GLcontext *ctx, struct gl_query_object *q);
 826    /*@}*/
 827
 828
 829    /**
 830     * \name Vertex Array objects
 831     */
 832    /*@{*/
 833    struct gl_array_object * (*NewArrayObject)(GLcontext *ctx, GLuint id);
 834    void (*DeleteArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 835    void (*BindArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 836    /*@}*/
 837
 838    /**
 839     * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
 840     */
 841    /*@{*/
 842    void (*AttachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 843    void (*BindAttribLocation)(GLcontext *ctx, GLuint program, GLuint index,
 844                               const GLcharARB *name);
 845    void (*CompileShader)(GLcontext *ctx, GLuint shader);
 846    GLuint (*CreateShader)(GLcontext *ctx, GLenum type);
 847    GLuint (*CreateProgram)(GLcontext *ctx);
 848    void (*DeleteProgram2)(GLcontext *ctx, GLuint program);
 849    void (*DeleteShader)(GLcontext *ctx, GLuint shader);
 850    void (*DetachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 851    void (*GetActiveAttrib)(GLcontext *ctx, GLuint program, GLuint index,
 852                            GLsizei maxLength, GLsizei * length, GLint * size,
 853                            GLenum * type, GLcharARB * name);
 854    void (*GetActiveUniform)(GLcontext *ctx, GLuint program, GLuint index,
 855                             GLsizei maxLength, GLsizei *length, GLint *size,
 856                             GLenum *type, GLcharARB *name);
 857    void (*GetAttachedShaders)(GLcontext *ctx, GLuint program, GLsizei maxCount,
 858                               GLsizei *count, GLuint *obj);
 859    GLint (*GetAttribLocation)(GLcontext *ctx, GLuint program,
 860                               const GLcharARB *name);
 861    GLuint (*GetHandle)(GLcontext *ctx, GLenum pname);
 862    void (*GetProgramiv)(GLcontext *ctx, GLuint program,
 863                         GLenum pname, GLint *params);
 864    void (*GetProgramInfoLog)(GLcontext *ctx, GLuint program, GLsizei bufSize,
 865                              GLsizei *length, GLchar *infoLog);
 866    void (*GetShaderiv)(GLcontext *ctx, GLuint shader,
 867                        GLenum pname, GLint *params);
 868    void (*GetShaderInfoLog)(GLcontext *ctx, GLuint shader, GLsizei bufSize,
 869                             GLsizei *length, GLchar *infoLog);
 870    void (*GetShaderSource)(GLcontext *ctx, GLuint shader, GLsizei maxLength,
 871                            GLsizei *length, GLcharARB *sourceOut);
 872    void (*GetUniformfv)(GLcontext *ctx, GLuint program, GLint location,
 873                         GLfloat *params);
 874    GLint (*GetUniformLocation)(GLcontext *ctx, GLuint program,
 875                                const GLcharARB *name);
 876    GLboolean (*IsProgram)(GLcontext *ctx, GLuint name);
 877    GLboolean (*IsShader)(GLcontext *ctx, GLuint name);
 878    void (*LinkProgram)(GLcontext *ctx, GLuint program);
 879    void (*ShaderSource)(GLcontext *ctx, GLuint shader, const GLchar *source);
 880    void (*Uniform)(GLcontext *ctx, GLint location, GLsizei count,
 881                    const GLvoid *values, GLenum type);
 882    void (*UniformMatrix)(GLcontext *ctx, GLint cols, GLint rows,
 883                          GLenum matrixType, GLint location, GLsizei count,
 884                          GLboolean transpose, const GLfloat *values);
 885    void (*UseProgram)(GLcontext *ctx, GLuint program);
 886    void (*ValidateProgram)(GLcontext *ctx, GLuint program);
 887    /* XXX many more to come */
 888    /*@}*/
 889
 890
 891    /**
 892     * \name Support for multiple T&L engines
 893     */
 894    /*@{*/
 895
 896    /**
 897     * Bitmask of state changes that require the current T&L module to be
 898     * validated, using ValidateTnlModule() below.
 899     */
 900    GLuint NeedValidate;
 901
 902    /**
 903     * Validate the current T&L module.
 904     *
 905     * This is called directly after UpdateState() when a state change that has
 906     * occurred matches the dd_function_table::NeedValidate bitmask above.  This
 907     * ensures all computed values are up to date, thus allowing the driver to
 908     * decide if the current T&L module needs to be swapped out.
 909     *
 910     * This must be non-NULL if a driver installs a custom T&L module and sets
 911     * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
 912     */
 913    void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state );
 914
 915
 916 #define PRIM_OUTSIDE_BEGIN_END   GL_POLYGON+1
 917 #define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2
 918 #define PRIM_UNKNOWN             GL_POLYGON+3
 919
 920    /**
 921     * Set by the driver-supplied T&L engine.
 922     *
 923     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
 924     */
 925    GLuint CurrentExecPrimitive;
 926
 927    /**
 928     * Current state of an in-progress compilation.
 929     *
 930     * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
 931     * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
 932     */
 933    GLuint CurrentSavePrimitive;
 934
 935
 936 #define FLUSH_STORED_VERTICES 0x1
 937 #define FLUSH_UPDATE_CURRENT  0x2
 938    /**
 939     * Set by the driver-supplied T&L engine whenever vertices are buffered
 940     * between glBegin()/glEnd() objects or __GLcontextRec::Current is not
 941     * updated.
 942     *
 943     * The dd_function_table::FlushVertices call below may be used to resolve
 944     * these conditions.
 945     */
 946    GLuint NeedFlush;
 947    GLuint SaveNeedFlush;
 948
 949    /**
 950     * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
 951     * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
 952     * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
 953     * __GLcontextRec::Current and gl_light_attrib::Material
 954     *
 955     * Note that the default T&L engine never clears the
 956     * FLUSH_UPDATE_CURRENT bit, even after performing the update.
 957     */
 958    void (*FlushVertices)( GLcontext *ctx, GLuint flags );
 959    void (*SaveFlushVertices)( GLcontext *ctx );
 960
 961    /**
 962     * Give the driver the opportunity to hook in its own vtxfmt for
 963     * compiling optimized display lists.  This is called on each valid
 964     * glBegin() during list compilation.
 965     */
 966    GLboolean (*NotifySaveBegin)( GLcontext *ctx, GLenum mode );
 967
 968    /**
 969     * Notify driver that the special derived value _NeedEyeCoords has
 970     * changed.
 971     */
 972    void (*LightingSpaceChange)( GLcontext *ctx );
 973
 974    /**
 975     * Called by glNewList().
 976     *
 977     * Let the T&L component know what is going on with display lists
 978     * in time to make changes to dispatch tables, etc.
 979     */
 980    void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode );
 981    /**
 982     * Called by glEndList().
 983     *
 984     * \sa dd_function_table::NewList.
 985     */
 986    void (*EndList)( GLcontext *ctx );
 987
 988    /**
 989     * Called by glCallList(s).
 990     *
 991     * Notify the T&L component before and after calling a display list.
 992     */
 993    void (*BeginCallList)( GLcontext *ctx,
 994                           struct mesa_display_list *dlist );
 995    /**
 996     * Called by glEndCallList().
 997     *
 998     * \sa dd_function_table::BeginCallList.
 999     */
1000    void (*EndCallList)( GLcontext *ctx );
1001
1002 };
1003
1004
1005 /**
1006  * Transform/Clip/Lighting interface
1007  *
1008  * Drivers present a reduced set of the functions possible in
1009  * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
1010  * remaining functions to map down to these entry points.
1011  *
1012  * These are the initial values to be installed into dispatch by
1013  * mesa.  If the T&L driver wants to modify the dispatch table
1014  * while installed, it must do so itself.  It would be possible for
1015  * the vertexformat to install it's own initial values for these
1016  * functions, but this way there is an obvious list of what is
1017  * expected of the driver.
1018  *
1019  * If the driver wants to hook in entry points other than those
1020  * listed, it must restore them to their original values in
1021  * the disable() callback, below.
1022  */
1023 typedef struct {
1024    /**
1025     * \name Vertex
1026     */
1027    /*@{*/
1028    void (GLAPIENTRYP ArrayElement)( GLint ); /* NOTE */
1029    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1030    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1031    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1032    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1033    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1034    void (GLAPIENTRYP EvalCoord1f)( GLfloat );          /* NOTE */
1035    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); /* NOTE */
1036    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */
1037    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); /* NOTE */
1038    void (GLAPIENTRYP EvalPoint1)( GLint );             /* NOTE */
1039    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );      /* NOTE */
1040    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1041    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1042    void (GLAPIENTRYP Indexf)( GLfloat );
1043    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1044    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */
1045    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1046    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1047    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1048    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1049    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1050    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1051    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1052    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1053    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1054    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1055    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1056    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1057    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1058    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1059    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1060    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1061    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1062    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1063    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1064    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1065    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1066    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1067    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1068    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1069    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1070    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1071    void (GLAPIENTRYP CallList)( GLuint );       /* NOTE */
1072    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );     /* NOTE */
1073    void (GLAPIENTRYP Begin)( GLenum );
1074    void (GLAPIENTRYP End)( void );
1075    /* GL_NV_vertex_program */
1076    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1077    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1078    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1079    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1080    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1081    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1082    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1083    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1084 #if FEATURE_ARB_vertex_program
1085    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1086    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1087    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1088    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1089    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1090    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1091    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1092    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1093 #endif
1094    /*@}*/
1095
1096    /*
1097     */
1098    void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1099
1100    /**
1101     * \name Array
1102     */
1103    /*@{*/
1104    void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1105    void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1106                          const GLvoid *indices );
1107    void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1108                               GLuint end, GLsizei count,
1109                               GLenum type, const GLvoid *indices );
1110    /*@}*/
1111
1112    /**
1113     * \name Eval
1114     *
1115     * If you don't support eval, fallback to the default vertex format
1116     * on receiving an eval call and use the pipeline mechanism to
1117     * provide partial T&L acceleration.
1118     *
1119     * Mesa will provide a set of helper functions to do eval within
1120     * accelerated vertex formats, eventually...
1121     */
1122    /*@{*/
1123    void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1124    void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1125    /*@}*/
1126
1127 } GLvertexformat;
1128
1129
1130 #endif /* DD_INCLUDED */