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 #if FEATURE_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 #endif
  53
  54
  55 /**
  56  * Device driver function table.
  57  * Core Mesa uses these function pointers to call into device drivers.
  58  * Most of these functions directly correspond to OpenGL state commands.
  59  * Core Mesa will call these functions after error checking has been done
  60  * so that the drivers don't have to worry about error testing.
  61  *
  62  * Vertex transformation/clipping/lighting is patched into the T&L module.
  63  * Rasterization functions are patched into the swrast module.
  64  *
  65  * Note: when new functions are added here, the drivers/common/driverfuncs.c
  66  * file should be updated too!!!
  67  */
  68 struct dd_function_table {
  69    /**
  70     * Return a string as needed by glGetString().
  71     * Only the GL_RENDERER query must be implemented.  Otherwise, NULL can be
  72     * returned.
  73     */
  74    const GLubyte * (*GetString)( GLcontext *ctx, GLenum name );
  75
  76    /**
  77     * Notify the driver after Mesa has made some internal state changes.
  78     *
  79     * This is in addition to any state change callbacks Mesa may already have
  80     * made.
  81     */
  82    void (*UpdateState)( GLcontext *ctx, GLbitfield new_state );
  83
  84    /**
  85     * Get the width and height of the named buffer/window.
  86     *
  87     * Mesa uses this to determine when the driver's window size has changed.
  88     * XXX OBSOLETE: this function will be removed in the future.
  89     */
  90    void (*GetBufferSize)( GLframebuffer *buffer,
  91                           GLuint *width, GLuint *height );
  92
  93    /**
  94     * Resize the given framebuffer to the given size.
  95     * XXX OBSOLETE: this function will be removed in the future.
  96     */
  97    void (*ResizeBuffers)( GLcontext *ctx, GLframebuffer *fb,
  98                           GLuint width, GLuint height);
  99
 100    /**
 101     * Called whenever an error is generated.
 102     * __GLcontextRec::ErrorValue contains the error value.
 103     */
 104    void (*Error)( GLcontext *ctx );
 105
 106    /**
 107     * This is called whenever glFinish() is called.
 108     */
 109    void (*Finish)( GLcontext *ctx );
 110
 111    /**
 112     * This is called whenever glFlush() is called.
 113     */
 114    void (*Flush)( GLcontext *ctx );
 115
 116    /**
 117     * Clear the color/depth/stencil/accum buffer(s).
 118     * \param buffers  a bitmask of BUFFER_BIT_* flags indicating which
 119     *                 renderbuffers need to be cleared.
 120     */
 121    void (*Clear)( GLcontext *ctx, GLbitfield buffers );
 122
 123    /**
 124     * Execute glAccum command.
 125     */
 126    void (*Accum)( GLcontext *ctx, GLenum op, GLfloat value );
 127
 128
 129    /**
 130     * Execute glRasterPos, updating the ctx->Current.Raster fields
 131     */
 132    void (*RasterPos)( GLcontext *ctx, const GLfloat v[4] );
 133
 134    /**
 135     * \name Image-related functions
 136     */
 137    /*@{*/
 138
 139    /**
 140     * Called by glDrawPixels().
 141     * \p unpack describes how to unpack the source image data.
 142     */
 143    void (*DrawPixels)( GLcontext *ctx,
 144                        GLint x, GLint y, GLsizei width, GLsizei height,
 145                        GLenum format, GLenum type,
 146                        const struct gl_pixelstore_attrib *unpack,
 147                        const GLvoid *pixels );
 148
 149    /**
 150     * Called by glReadPixels().
 151     */
 152    void (*ReadPixels)( GLcontext *ctx,
 153                        GLint x, GLint y, GLsizei width, GLsizei height,
 154                        GLenum format, GLenum type,
 155                        const struct gl_pixelstore_attrib *unpack,
 156                        GLvoid *dest );
 157
 158    /**
 159     * Called by glCopyPixels().
 160     */
 161    void (*CopyPixels)( GLcontext *ctx, GLint srcx, GLint srcy,
 162                        GLsizei width, GLsizei height,
 163                        GLint dstx, GLint dsty, GLenum type );
 164
 165    /**
 166     * Called by glBitmap().
 167     */
 168    void (*Bitmap)( GLcontext *ctx,
 169                    GLint x, GLint y, GLsizei width, GLsizei height,
 170                    const struct gl_pixelstore_attrib *unpack,
 171                    const GLubyte *bitmap );
 172    /*@}*/
 173
 174
 175    /**
 176     * \name Texture image functions
 177     */
 178    /*@{*/
 179
 180    /**
 181     * Choose texture format.
 182     *
 183     * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
 184     * functions.  The driver should examine \p internalFormat and return a
 185     * gl_format value.
 186     */
 187    GLuint (*ChooseTextureFormat)( GLcontext *ctx, GLint internalFormat,
 188                                      GLenum srcFormat, GLenum srcType );
 189
 190    /**
 191     * Called by glTexImage1D().
 192     *
 193     * \param target user specified.
 194     * \param format user specified.
 195     * \param type user specified.
 196     * \param pixels user specified.
 197     * \param packing indicates the image packing of pixels.
 198     * \param texObj is the target texture object.
 199     * \param texImage is the target texture image.  It will have the texture \p
 200     * width, \p height, \p depth, \p border and \p internalFormat information.
 201     *
 202     * \p retainInternalCopy is returned by this function and indicates whether
 203     * core Mesa should keep an internal copy of the texture image.
 204     *
 205     * Drivers should call a fallback routine from texstore.c if needed.
 206     */
 207    void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 208                        GLint internalFormat,
 209                        GLint width, GLint border,
 210                        GLenum format, GLenum type, const GLvoid *pixels,
 211                        const struct gl_pixelstore_attrib *packing,
 212                        struct gl_texture_object *texObj,
 213                        struct gl_texture_image *texImage );
 214
 215    /**
 216     * Called by glTexImage2D().
 217     *
 218     * \sa dd_function_table::TexImage1D.
 219     */
 220    void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 221                        GLint internalFormat,
 222                        GLint width, GLint height, GLint border,
 223                        GLenum format, GLenum type, const GLvoid *pixels,
 224                        const struct gl_pixelstore_attrib *packing,
 225                        struct gl_texture_object *texObj,
 226                        struct gl_texture_image *texImage );
 227
 228    /**
 229     * Called by glTexImage3D().
 230     *
 231     * \sa dd_function_table::TexImage1D.
 232     */
 233    void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
 234                        GLint internalFormat,
 235                        GLint width, GLint height, GLint depth, GLint border,
 236                        GLenum format, GLenum type, const GLvoid *pixels,
 237                        const struct gl_pixelstore_attrib *packing,
 238                        struct gl_texture_object *texObj,
 239                        struct gl_texture_image *texImage );
 240
 241    /**
 242     * Called by glTexSubImage1D().
 243     *
 244     * \param target user specified.
 245     * \param level user specified.
 246     * \param xoffset user specified.
 247     * \param yoffset user specified.
 248     * \param zoffset user specified.
 249     * \param width user specified.
 250     * \param height user specified.
 251     * \param depth user specified.
 252     * \param format user specified.
 253     * \param type user specified.
 254     * \param pixels user specified.
 255     * \param packing indicates the image packing of pixels.
 256     * \param texObj is the target texture object.
 257     * \param texImage is the target texture image.  It will have the texture \p
 258     * width, \p height, \p border and \p internalFormat information.
 259     *
 260     * The driver should use a fallback routine from texstore.c if needed.
 261     */
 262    void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 263                           GLint xoffset, GLsizei width,
 264                           GLenum format, GLenum type,
 265                           const GLvoid *pixels,
 266                           const struct gl_pixelstore_attrib *packing,
 267                           struct gl_texture_object *texObj,
 268                           struct gl_texture_image *texImage );
 269
 270    /**
 271     * Called by glTexSubImage2D().
 272     *
 273     * \sa dd_function_table::TexSubImage1D.
 274     */
 275    void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 276                           GLint xoffset, GLint yoffset,
 277                           GLsizei width, GLsizei height,
 278                           GLenum format, GLenum type,
 279                           const GLvoid *pixels,
 280                           const struct gl_pixelstore_attrib *packing,
 281                           struct gl_texture_object *texObj,
 282                           struct gl_texture_image *texImage );
 283
 284    /**
 285     * Called by glTexSubImage3D().
 286     *
 287     * \sa dd_function_table::TexSubImage1D.
 288     */
 289    void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 290                           GLint xoffset, GLint yoffset, GLint zoffset,
 291                           GLsizei width, GLsizei height, GLint depth,
 292                           GLenum format, GLenum type,
 293                           const GLvoid *pixels,
 294                           const struct gl_pixelstore_attrib *packing,
 295                           struct gl_texture_object *texObj,
 296                           struct gl_texture_image *texImage );
 297
 298    /**
 299     * Called by glGetTexImage().
 300     */
 301    void (*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
 302                         GLenum format, GLenum type, GLvoid *pixels,
 303                         struct gl_texture_object *texObj,
 304                         struct gl_texture_image *texImage );
 305
 306    /**
 307     * Called by glCopyTexImage1D().
 308     *
 309     * Drivers should use a fallback routine from texstore.c if needed.
 310     */
 311    void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 312                            GLenum internalFormat, GLint x, GLint y,
 313                            GLsizei width, GLint border );
 314
 315    /**
 316     * Called by glCopyTexImage2D().
 317     *
 318     * Drivers should use a fallback routine from texstore.c if needed.
 319     */
 320    void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 321                            GLenum internalFormat, GLint x, GLint y,
 322                            GLsizei width, GLsizei height, GLint border );
 323
 324    /**
 325     * Called by glCopyTexSubImage1D().
 326     *
 327     * Drivers should use a fallback routine from texstore.c if needed.
 328     */
 329    void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 330                               GLint xoffset,
 331                               GLint x, GLint y, GLsizei width );
 332    /**
 333     * Called by glCopyTexSubImage2D().
 334     *
 335     * Drivers should use a fallback routine from texstore.c if needed.
 336     */
 337    void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 338                               GLint xoffset, GLint yoffset,
 339                               GLint x, GLint y,
 340                               GLsizei width, GLsizei height );
 341    /**
 342     * Called by glCopyTexSubImage3D().
 343     *
 344     * Drivers should use a fallback routine from texstore.c if needed.
 345     */
 346    void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 347                               GLint xoffset, GLint yoffset, GLint zoffset,
 348                               GLint x, GLint y,
 349                               GLsizei width, GLsizei height );
 350
 351    /**
 352     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
 353     */
 354    void (*GenerateMipmap)(GLcontext *ctx, GLenum target,
 355                           struct gl_texture_object *texObj);
 356
 357    /**
 358     * Called by glTexImage[123]D when user specifies a proxy texture
 359     * target.
 360     *
 361     * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
 362     */
 363    GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
 364                                   GLint level, GLint internalFormat,
 365                                   GLenum format, GLenum type,
 366                                   GLint width, GLint height,
 367                                   GLint depth, GLint border);
 368    /*@}*/
 369
 370
 371    /**
 372     * \name Compressed texture functions
 373     */
 374    /*@{*/
 375
 376    /**
 377     * Called by glCompressedTexImage1D().
 378     *
 379     * \param target user specified.
 380     * \param format user specified.
 381     * \param type user specified.
 382     * \param pixels user specified.
 383     * \param packing indicates the image packing of pixels.
 384     * \param texObj is the target texture object.
 385     * \param texImage is the target texture image.  It will have the texture \p
 386     * width, \p height, \p depth, \p border and \p internalFormat information.
 387     *
 388     * \a retainInternalCopy is returned by this function and indicates whether
 389     * core Mesa should keep an internal copy of the texture image.
 390     */
 391    void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
 392                                  GLint level, GLint internalFormat,
 393                                  GLsizei width, GLint border,
 394                                  GLsizei imageSize, const GLvoid *data,
 395                                  struct gl_texture_object *texObj,
 396                                  struct gl_texture_image *texImage );
 397    /**
 398     * Called by glCompressedTexImage2D().
 399     *
 400     * \sa dd_function_table::CompressedTexImage1D.
 401     */
 402    void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
 403                                  GLint level, GLint internalFormat,
 404                                  GLsizei width, GLsizei height, GLint border,
 405                                  GLsizei imageSize, const GLvoid *data,
 406                                  struct gl_texture_object *texObj,
 407                                  struct gl_texture_image *texImage );
 408    /**
 409     * Called by glCompressedTexImage3D().
 410     *
 411     * \sa dd_function_table::CompressedTexImage3D.
 412     */
 413    void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
 414                                  GLint level, GLint internalFormat,
 415                                  GLsizei width, GLsizei height, GLsizei depth,
 416                                  GLint border,
 417                                  GLsizei imageSize, const GLvoid *data,
 418                                  struct gl_texture_object *texObj,
 419                                  struct gl_texture_image *texImage );
 420
 421    /**
 422     * Called by glCompressedTexSubImage1D().
 423     *
 424     * \param target user specified.
 425     * \param level user specified.
 426     * \param xoffset user specified.
 427     * \param yoffset user specified.
 428     * \param zoffset user specified.
 429     * \param width user specified.
 430     * \param height user specified.
 431     * \param depth user specified.
 432     * \param imageSize user specified.
 433     * \param data user specified.
 434     * \param texObj is the target texture object.
 435     * \param texImage is the target texture image.  It will have the texture \p
 436     * width, \p height, \p depth, \p border and \p internalFormat information.
 437     */
 438    void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
 439                                    GLint xoffset, GLsizei width,
 440                                    GLenum format,
 441                                    GLsizei imageSize, const GLvoid *data,
 442                                    struct gl_texture_object *texObj,
 443                                    struct gl_texture_image *texImage);
 444    /**
 445     * Called by glCompressedTexSubImage2D().
 446     *
 447     * \sa dd_function_table::CompressedTexImage3D.
 448     */
 449    void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
 450                                    GLint xoffset, GLint yoffset,
 451                                    GLsizei width, GLint height,
 452                                    GLenum format,
 453                                    GLsizei imageSize, const GLvoid *data,
 454                                    struct gl_texture_object *texObj,
 455                                    struct gl_texture_image *texImage);
 456    /**
 457     * Called by glCompressedTexSubImage3D().
 458     *
 459     * \sa dd_function_table::CompressedTexImage3D.
 460     */
 461    void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
 462                                    GLint xoffset, GLint yoffset, GLint zoffset,
 463                                    GLsizei width, GLint height, GLint depth,
 464                                    GLenum format,
 465                                    GLsizei imageSize, const GLvoid *data,
 466                                    struct gl_texture_object *texObj,
 467                                    struct gl_texture_image *texImage);
 468
 469
 470    /**
 471     * Called by glGetCompressedTexImage.
 472     */
 473    void (*GetCompressedTexImage)(GLcontext *ctx, GLenum target, GLint level,
 474                                  GLvoid *img,
 475                                  struct gl_texture_object *texObj,
 476                                  struct gl_texture_image *texImage);
 477
 478    /*@}*/
 479
 480    /**
 481     * \name Texture object functions
 482     */
 483    /*@{*/
 484
 485    /**
 486     * Called by glBindTexture().
 487     */
 488    void (*BindTexture)( GLcontext *ctx, GLenum target,
 489                         struct gl_texture_object *tObj );
 490
 491    /**
 492     * Called to allocate a new texture object.
 493     * A new gl_texture_object should be returned.  The driver should
 494     * attach to it any device-specific info it needs.
 495     */
 496    struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name,
 497                                                    GLenum target );
 498    /**
 499     * Called when a texture object is about to be deallocated.
 500     *
 501     * Driver should delete the gl_texture_object object and anything
 502     * hanging off of it.
 503     */
 504    void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 505
 506    /**
 507     * Called to allocate a new texture image object.
 508     */
 509    struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx );
 510
 511    /**
 512     * Called to free tImage->Data.
 513     */
 514    void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage );
 515
 516    /** Map texture image data into user space */
 517    void (*MapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 518    /** Unmap texture images from user space */
 519    void (*UnmapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 520
 521    /**
 522     * Note: no context argument.  This function doesn't initially look
 523     * like it belongs here, except that the driver is the only entity
 524     * that knows for sure how the texture memory is allocated - via
 525     * the above callbacks.  There is then an argument that the driver
 526     * knows what memcpy paths might be fast.  Typically this is invoked with
 527     *
 528     * to -- a pointer into texture memory allocated by NewTextureImage() above.
 529     * from -- a pointer into client memory or a mesa temporary.
 530     * sz -- nr bytes to copy.
 531     */
 532    void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
 533
 534    /**
 535     * Called by glAreTextureResident().
 536     */
 537    GLboolean (*IsTextureResident)( GLcontext *ctx,
 538                                    struct gl_texture_object *t );
 539
 540    /**
 541     * Called when the texture's color lookup table is changed.
 542     *
 543     * If \p tObj is NULL then the shared texture palette
 544     * gl_texture_object::Palette is to be updated.
 545     */
 546    void (*UpdateTexturePalette)( GLcontext *ctx,
 547                                  struct gl_texture_object *tObj );
 548    /*@}*/
 549
 550
 551    /**
 552     * \name Imaging functionality
 553     */
 554    /*@{*/
 555    void (*CopyColorTable)( GLcontext *ctx,
 556                            GLenum target, GLenum internalformat,
 557                            GLint x, GLint y, GLsizei width );
 558
 559    void (*CopyColorSubTable)( GLcontext *ctx,
 560                               GLenum target, GLsizei start,
 561                               GLint x, GLint y, GLsizei width );
 562
 563    void (*CopyConvolutionFilter1D)( GLcontext *ctx, GLenum target,
 564                                     GLenum internalFormat,
 565                                     GLint x, GLint y, GLsizei width );
 566
 567    void (*CopyConvolutionFilter2D)( GLcontext *ctx, GLenum target,
 568                                     GLenum internalFormat,
 569                                     GLint x, GLint y,
 570                                     GLsizei width, GLsizei height );
 571    /*@}*/
 572
 573
 574    /**
 575     * \name Vertex/fragment program functions
 576     */
 577    /*@{*/
 578    /** Bind a vertex/fragment program */
 579    void (*BindProgram)(GLcontext *ctx, GLenum target, struct gl_program *prog);
 580    /** Allocate a new program */
 581    struct gl_program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id);
 582    /** Delete a program */
 583    void (*DeleteProgram)(GLcontext *ctx, struct gl_program *prog);
 584    /** Notify driver that a program string has been specified. */
 585    void (*ProgramStringNotify)(GLcontext *ctx, GLenum target,
 586                                struct gl_program *prog);
 587
 588    /** Query if program can be loaded onto hardware */
 589    GLboolean (*IsProgramNative)(GLcontext *ctx, GLenum target,
 590                                 struct gl_program *prog);
 591
 592    /*@}*/
 593
 594
 595    /**
 596     * \name State-changing functions.
 597     *
 598     * \note drawing functions are above.
 599     *
 600     * These functions are called by their corresponding OpenGL API functions.
 601     * They are \e also called by the gl_PopAttrib() function!!!
 602     * May add more functions like these to the device driver in the future.
 603     */
 604    /*@{*/
 605    /** Specify the alpha test function */
 606    void (*AlphaFunc)(GLcontext *ctx, GLenum func, GLfloat ref);
 607    /** Set the blend color */
 608    void (*BlendColor)(GLcontext *ctx, const GLfloat color[4]);
 609    /** Set the blend equation */
 610    void (*BlendEquationSeparate)(GLcontext *ctx, GLenum modeRGB, GLenum modeA);
 611    /** Specify pixel arithmetic */
 612    void (*BlendFuncSeparate)(GLcontext *ctx,
 613                              GLenum sfactorRGB, GLenum dfactorRGB,
 614                              GLenum sfactorA, GLenum dfactorA);
 615    /** Specify clear values for the color buffers */
 616    void (*ClearColor)(GLcontext *ctx, const GLfloat color[4]);
 617    /** Specify the clear value for the depth buffer */
 618    void (*ClearDepth)(GLcontext *ctx, GLclampd d);
 619    /** Specify the clear value for the color index buffers */
 620    void (*ClearIndex)(GLcontext *ctx, GLuint index);
 621    /** Specify the clear value for the stencil buffer */
 622    void (*ClearStencil)(GLcontext *ctx, GLint s);
 623    /** Specify a plane against which all geometry is clipped */
 624    void (*ClipPlane)(GLcontext *ctx, GLenum plane, const GLfloat *equation );
 625    /** Enable and disable writing of frame buffer color components */
 626    void (*ColorMask)(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
 627                      GLboolean bmask, GLboolean amask );
 628    /** Cause a material color to track the current color */
 629    void (*ColorMaterial)(GLcontext *ctx, GLenum face, GLenum mode);
 630    /** Specify whether front- or back-facing facets can be culled */
 631    void (*CullFace)(GLcontext *ctx, GLenum mode);
 632    /** Define front- and back-facing polygons */
 633    void (*FrontFace)(GLcontext *ctx, GLenum mode);
 634    /** Specify the value used for depth buffer comparisons */
 635    void (*DepthFunc)(GLcontext *ctx, GLenum func);
 636    /** Enable or disable writing into the depth buffer */
 637    void (*DepthMask)(GLcontext *ctx, GLboolean flag);
 638    /** Specify mapping of depth values from NDC to window coordinates */
 639    void (*DepthRange)(GLcontext *ctx, GLclampd nearval, GLclampd farval);
 640    /** Specify the current buffer for writing */
 641    void (*DrawBuffer)( GLcontext *ctx, GLenum buffer );
 642    /** Specify the buffers for writing for fragment programs*/
 643    void (*DrawBuffers)( GLcontext *ctx, GLsizei n, const GLenum *buffers );
 644    /** Enable or disable server-side gl capabilities */
 645    void (*Enable)(GLcontext *ctx, GLenum cap, GLboolean state);
 646    /** Specify fog parameters */
 647    void (*Fogfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 648    /** Specify implementation-specific hints */
 649    void (*Hint)(GLcontext *ctx, GLenum target, GLenum mode);
 650    /** Control the writing of individual bits in the color index buffers */
 651    void (*IndexMask)(GLcontext *ctx, GLuint mask);
 652    /** Set light source parameters.
 653     * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
 654     * been transformed to eye-space.
 655     */
 656    void (*Lightfv)(GLcontext *ctx, GLenum light,
 657                    GLenum pname, const GLfloat *params );
 658    /** Set the lighting model parameters */
 659    void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
 660    /** Specify the line stipple pattern */
 661    void (*LineStipple)(GLcontext *ctx, GLint factor, GLushort pattern );
 662    /** Specify the width of rasterized lines */
 663    void (*LineWidth)(GLcontext *ctx, GLfloat width);
 664    /** Specify a logical pixel operation for color index rendering */
 665    void (*LogicOpcode)(GLcontext *ctx, GLenum opcode);
 666    void (*PointParameterfv)(GLcontext *ctx, GLenum pname,
 667                             const GLfloat *params);
 668    /** Specify the diameter of rasterized points */
 669    void (*PointSize)(GLcontext *ctx, GLfloat size);
 670    /** Select a polygon rasterization mode */
 671    void (*PolygonMode)(GLcontext *ctx, GLenum face, GLenum mode);
 672    /** Set the scale and units used to calculate depth values */
 673    void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units);
 674    /** Set the polygon stippling pattern */
 675    void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask );
 676    /* Specifies the current buffer for reading */
 677    void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
 678    /** Set rasterization mode */
 679    void (*RenderMode)(GLcontext *ctx, GLenum mode );
 680    /** Define the scissor box */
 681    void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 682    /** Select flat or smooth shading */
 683    void (*ShadeModel)(GLcontext *ctx, GLenum mode);
 684    /** OpenGL 2.0 two-sided StencilFunc */
 685    void (*StencilFuncSeparate)(GLcontext *ctx, GLenum face, GLenum func,
 686                                GLint ref, GLuint mask);
 687    /** OpenGL 2.0 two-sided StencilMask */
 688    void (*StencilMaskSeparate)(GLcontext *ctx, GLenum face, GLuint mask);
 689    /** OpenGL 2.0 two-sided StencilOp */
 690    void (*StencilOpSeparate)(GLcontext *ctx, GLenum face, GLenum fail,
 691                              GLenum zfail, GLenum zpass);
 692    /** Control the generation of texture coordinates */
 693    void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname,
 694                   const GLfloat *params);
 695    /** Set texture environment parameters */
 696    void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname,
 697                   const GLfloat *param);
 698    /** Set texture parameters */
 699    void (*TexParameter)(GLcontext *ctx, GLenum target,
 700                         struct gl_texture_object *texObj,
 701                         GLenum pname, const GLfloat *params);
 702    /** Set the viewport */
 703    void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 704    /*@}*/
 705
 706
 707    /**
 708     * \name State-query functions
 709     *
 710     * Return GL_TRUE if query was completed, GL_FALSE otherwise.
 711     */
 712    /*@{*/
 713    /** Return the value or values of a selected parameter */
 714    GLboolean (*GetBooleanv)(GLcontext *ctx, GLenum pname, GLboolean *result);
 715    /** Return the value or values of a selected parameter */
 716    GLboolean (*GetDoublev)(GLcontext *ctx, GLenum pname, GLdouble *result);
 717    /** Return the value or values of a selected parameter */
 718    GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result);
 719    /** Return the value or values of a selected parameter */
 720    GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result);
 721    /** Return the value or values of a selected parameter */
 722    GLboolean (*GetInteger64v)(GLcontext *ctx, GLenum pname, GLint64 *result);
 723    /** Return the value or values of a selected parameter */
 724    GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result);
 725    /*@}*/
 726
 727
 728    /**
 729     * \name Vertex/pixel buffer object functions
 730     */
 731 #if FEATURE_ARB_vertex_buffer_object
 732    /*@{*/
 733    void (*BindBuffer)( GLcontext *ctx, GLenum target,
 734                        struct gl_buffer_object *obj );
 735
 736    struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer,
 737                                                  GLenum target );
 738
 739    void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj );
 740
 741    GLboolean (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
 742                             const GLvoid *data, GLenum usage,
 743                             struct gl_buffer_object *obj );
 744
 745    void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset,
 746                           GLsizeiptrARB size, const GLvoid *data,
 747                           struct gl_buffer_object *obj );
 748
 749    void (*GetBufferSubData)( GLcontext *ctx, GLenum target,
 750                              GLintptrARB offset, GLsizeiptrARB size,
 751                              GLvoid *data, struct gl_buffer_object *obj );
 752
 753    void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
 754                         struct gl_buffer_object *obj );
 755
 756    void (*CopyBufferSubData)( GLcontext *ctx,
 757                               struct gl_buffer_object *src,
 758                               struct gl_buffer_object *dst,
 759                               GLintptr readOffset, GLintptr writeOffset,
 760                               GLsizeiptr size );
 761
 762    /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
 763     */
 764    void * (*MapBufferRange)( GLcontext *ctx, GLenum target, GLintptr offset,
 765                              GLsizeiptr length, GLbitfield access,
 766                              struct gl_buffer_object *obj);
 767
 768    void (*FlushMappedBufferRange)(GLcontext *ctx, GLenum target,
 769                                   GLintptr offset, GLsizeiptr length,
 770                                   struct gl_buffer_object *obj);
 771
 772    GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
 773                              struct gl_buffer_object *obj );
 774    /*@}*/
 775 #endif
 776
 777    /**
 778     * \name Functions for GL_EXT_framebuffer_object
 779     */
 780 #if FEATURE_EXT_framebuffer_object
 781    /*@{*/
 782    struct gl_framebuffer * (*NewFramebuffer)(GLcontext *ctx, GLuint name);
 783    struct gl_renderbuffer * (*NewRenderbuffer)(GLcontext *ctx, GLuint name);
 784    void (*BindFramebuffer)(GLcontext *ctx, GLenum target,
 785                            struct gl_framebuffer *drawFb,
 786                            struct gl_framebuffer *readFb);
 787    void (*FramebufferRenderbuffer)(GLcontext *ctx,
 788                                    struct gl_framebuffer *fb,
 789                                    GLenum attachment,
 790                                    struct gl_renderbuffer *rb);
 791    void (*RenderTexture)(GLcontext *ctx,
 792                          struct gl_framebuffer *fb,
 793                          struct gl_renderbuffer_attachment *att);
 794    void (*FinishRenderTexture)(GLcontext *ctx,
 795                                struct gl_renderbuffer_attachment *att);
 796    void (*ValidateFramebuffer)(GLcontext *ctx,
 797                                struct gl_framebuffer *fb);
 798    /*@}*/
 799 #endif
 800 #if FEATURE_EXT_framebuffer_blit
 801    void (*BlitFramebuffer)(GLcontext *ctx,
 802                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 803                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 804                            GLbitfield mask, GLenum filter);
 805 #endif
 806
 807    /**
 808     * \name Query objects
 809     */
 810    /*@{*/
 811    struct gl_query_object * (*NewQueryObject)(GLcontext *ctx, GLuint id);
 812    void (*DeleteQuery)(GLcontext *ctx, struct gl_query_object *q);
 813    void (*BeginQuery)(GLcontext *ctx, struct gl_query_object *q);
 814    void (*EndQuery)(GLcontext *ctx, struct gl_query_object *q);
 815    void (*CheckQuery)(GLcontext *ctx, struct gl_query_object *q);
 816    void (*WaitQuery)(GLcontext *ctx, struct gl_query_object *q);
 817    /*@}*/
 818
 819
 820    /**
 821     * \name Vertex Array objects
 822     */
 823    /*@{*/
 824    struct gl_array_object * (*NewArrayObject)(GLcontext *ctx, GLuint id);
 825    void (*DeleteArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 826    void (*BindArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 827    /*@}*/
 828
 829    /**
 830     * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
 831     */
 832    /*@{*/
 833    void (*AttachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 834    void (*BindAttribLocation)(GLcontext *ctx, GLuint program, GLuint index,
 835                               const GLcharARB *name);
 836    void (*CompileShader)(GLcontext *ctx, GLuint shader);
 837    GLuint (*CreateShader)(GLcontext *ctx, GLenum type);
 838    GLuint (*CreateProgram)(GLcontext *ctx);
 839    void (*DeleteProgram2)(GLcontext *ctx, GLuint program);
 840    void (*DeleteShader)(GLcontext *ctx, GLuint shader);
 841    void (*DetachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 842    void (*GetActiveAttrib)(GLcontext *ctx, GLuint program, GLuint index,
 843                            GLsizei maxLength, GLsizei * length, GLint * size,
 844                            GLenum * type, GLcharARB * name);
 845    void (*GetActiveUniform)(GLcontext *ctx, GLuint program, GLuint index,
 846                             GLsizei maxLength, GLsizei *length, GLint *size,
 847                             GLenum *type, GLcharARB *name);
 848    void (*GetAttachedShaders)(GLcontext *ctx, GLuint program, GLsizei maxCount,
 849                               GLsizei *count, GLuint *obj);
 850    GLint (*GetAttribLocation)(GLcontext *ctx, GLuint program,
 851                               const GLcharARB *name);
 852    GLuint (*GetHandle)(GLcontext *ctx, GLenum pname);
 853    void (*GetProgramiv)(GLcontext *ctx, GLuint program,
 854                         GLenum pname, GLint *params);
 855    void (*GetProgramInfoLog)(GLcontext *ctx, GLuint program, GLsizei bufSize,
 856                              GLsizei *length, GLchar *infoLog);
 857    void (*GetShaderiv)(GLcontext *ctx, GLuint shader,
 858                        GLenum pname, GLint *params);
 859    void (*GetShaderInfoLog)(GLcontext *ctx, GLuint shader, GLsizei bufSize,
 860                             GLsizei *length, GLchar *infoLog);
 861    void (*GetShaderSource)(GLcontext *ctx, GLuint shader, GLsizei maxLength,
 862                            GLsizei *length, GLcharARB *sourceOut);
 863    void (*GetUniformfv)(GLcontext *ctx, GLuint program, GLint location,
 864                         GLfloat *params);
 865    void (*GetUniformiv)(GLcontext *ctx, GLuint program, GLint location,
 866                         GLint *params);
 867    GLint (*GetUniformLocation)(GLcontext *ctx, GLuint program,
 868                                const GLcharARB *name);
 869    GLboolean (*IsProgram)(GLcontext *ctx, GLuint name);
 870    GLboolean (*IsShader)(GLcontext *ctx, GLuint name);
 871    void (*LinkProgram)(GLcontext *ctx, GLuint program);
 872    void (*ShaderSource)(GLcontext *ctx, GLuint shader, const GLchar *source);
 873    void (*Uniform)(GLcontext *ctx, GLint location, GLsizei count,
 874                    const GLvoid *values, GLenum type);
 875    void (*UniformMatrix)(GLcontext *ctx, GLint cols, GLint rows,
 876                          GLint location, GLsizei count,
 877                          GLboolean transpose, const GLfloat *values);
 878    void (*UseProgram)(GLcontext *ctx, GLuint program);
 879    void (*ValidateProgram)(GLcontext *ctx, GLuint program);
 880    /* XXX many more to come */
 881    /*@}*/
 882
 883
 884    /**
 885     * \name Support for multiple T&L engines
 886     */
 887    /*@{*/
 888
 889    /**
 890     * Bitmask of state changes that require the current T&L module to be
 891     * validated, using ValidateTnlModule() below.
 892     */
 893    GLuint NeedValidate;
 894
 895    /**
 896     * Validate the current T&L module.
 897     *
 898     * This is called directly after UpdateState() when a state change that has
 899     * occurred matches the dd_function_table::NeedValidate bitmask above.  This
 900     * ensures all computed values are up to date, thus allowing the driver to
 901     * decide if the current T&L module needs to be swapped out.
 902     *
 903     * This must be non-NULL if a driver installs a custom T&L module and sets
 904     * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
 905     */
 906    void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state );
 907
 908
 909 #define PRIM_OUTSIDE_BEGIN_END   (GL_POLYGON+1)
 910 #define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
 911 #define PRIM_UNKNOWN             (GL_POLYGON+3)
 912
 913    /**
 914     * Set by the driver-supplied T&L engine.
 915     *
 916     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
 917     */
 918    GLuint CurrentExecPrimitive;
 919
 920    /**
 921     * Current state of an in-progress compilation.
 922     *
 923     * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
 924     * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
 925     */
 926    GLuint CurrentSavePrimitive;
 927
 928
 929 #define FLUSH_STORED_VERTICES 0x1
 930 #define FLUSH_UPDATE_CURRENT  0x2
 931    /**
 932     * Set by the driver-supplied T&L engine whenever vertices are buffered
 933     * between glBegin()/glEnd() objects or __GLcontextRec::Current is not
 934     * updated.
 935     *
 936     * The dd_function_table::FlushVertices call below may be used to resolve
 937     * these conditions.
 938     */
 939    GLuint NeedFlush;
 940    GLuint SaveNeedFlush;
 941
 942
 943    /* Called prior to any of the GLvertexformat functions being
 944     * called.  Paired with Driver.FlushVertices().
 945     */
 946    void (*BeginVertices)( GLcontext *ctx );
 947
 948    /**
 949     * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
 950     * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
 951     * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
 952     * __GLcontextRec::Current and gl_light_attrib::Material
 953     *
 954     * Note that the default T&L engine never clears the
 955     * FLUSH_UPDATE_CURRENT bit, even after performing the update.
 956     */
 957    void (*FlushVertices)( GLcontext *ctx, GLuint flags );
 958    void (*SaveFlushVertices)( GLcontext *ctx );
 959
 960    /**
 961     * Give the driver the opportunity to hook in its own vtxfmt for
 962     * compiling optimized display lists.  This is called on each valid
 963     * glBegin() during list compilation.
 964     */
 965    GLboolean (*NotifySaveBegin)( GLcontext *ctx, GLenum mode );
 966
 967    /**
 968     * Notify driver that the special derived value _NeedEyeCoords has
 969     * changed.
 970     */
 971    void (*LightingSpaceChange)( GLcontext *ctx );
 972
 973    /**
 974     * Called by glNewList().
 975     *
 976     * Let the T&L component know what is going on with display lists
 977     * in time to make changes to dispatch tables, etc.
 978     */
 979    void (*NewList)( GLcontext *ctx, GLuint list, GLenum mode );
 980    /**
 981     * Called by glEndList().
 982     *
 983     * \sa dd_function_table::NewList.
 984     */
 985    void (*EndList)( GLcontext *ctx );
 986
 987    /**
 988     * Called by glCallList(s).
 989     *
 990     * Notify the T&L component before and after calling a display list.
 991     */
 992    void (*BeginCallList)( GLcontext *ctx,
 993                           struct gl_display_list *dlist );
 994    /**
 995     * Called by glEndCallList().
 996     *
 997     * \sa dd_function_table::BeginCallList.
 998     */
 999    void (*EndCallList)( GLcontext *ctx );
1000
1001
1002 #if FEATURE_ARB_sync
1003    /**
1004     * \name GL_ARB_sync interfaces
1005     */
1006    /*@{*/
1007    struct gl_sync_object * (*NewSyncObject)(GLcontext *, GLenum);
1008    void (*FenceSync)(GLcontext *, struct gl_sync_object *, GLenum, GLbitfield);
1009    void (*DeleteSyncObject)(GLcontext *, struct gl_sync_object *);
1010    void (*CheckSync)(GLcontext *, struct gl_sync_object *);
1011    void (*ClientWaitSync)(GLcontext *, struct gl_sync_object *,
1012                           GLbitfield, GLuint64);
1013    void (*ServerWaitSync)(GLcontext *, struct gl_sync_object *,
1014                           GLbitfield, GLuint64);
1015    /*@}*/
1016 #endif
1017 };
1018
1019
1020 /**
1021  * Transform/Clip/Lighting interface
1022  *
1023  * Drivers present a reduced set of the functions possible in
1024  * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
1025  * remaining functions to map down to these entry points.
1026  *
1027  * These are the initial values to be installed into dispatch by
1028  * mesa.  If the T&L driver wants to modify the dispatch table
1029  * while installed, it must do so itself.  It would be possible for
1030  * the vertexformat to install it's own initial values for these
1031  * functions, but this way there is an obvious list of what is
1032  * expected of the driver.
1033  *
1034  * If the driver wants to hook in entry points other than those
1035  * listed, it must restore them to their original values in
1036  * the disable() callback, below.
1037  */
1038 typedef struct {
1039    /**
1040     * \name Vertex
1041     */
1042    /*@{*/
1043    void (GLAPIENTRYP ArrayElement)( GLint ); /* NOTE */
1044    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1045    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1046    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1047    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1048    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1049    void (GLAPIENTRYP EvalCoord1f)( GLfloat );          /* NOTE */
1050    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); /* NOTE */
1051    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */
1052    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); /* NOTE */
1053    void (GLAPIENTRYP EvalPoint1)( GLint );             /* NOTE */
1054    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );      /* NOTE */
1055    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1056    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1057    void (GLAPIENTRYP Indexf)( GLfloat );
1058    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1059    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */
1060    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1061    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1062    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1063    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1064    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1065    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1066    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1067    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1068    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1069    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1070    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1071    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1072    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1073    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1074    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1075    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1076    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1077    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1078    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1079    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1080    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1081    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1082    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1083    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1084    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1085    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1086    void (GLAPIENTRYP CallList)( GLuint );       /* NOTE */
1087    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );     /* NOTE */
1088    void (GLAPIENTRYP Begin)( GLenum );
1089    void (GLAPIENTRYP End)( void );
1090    /* GL_NV_vertex_program */
1091    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1092    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1093    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1094    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1095    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1096    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1097    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1098    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1099 #if FEATURE_ARB_vertex_program
1100    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1101    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1102    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1103    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1104    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1105    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1106    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1107    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1108 #endif
1109    /*@}*/
1110
1111    /*
1112     */
1113    void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1114
1115    /**
1116     * \name Array
1117     */
1118    /*@{*/
1119    void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1120    void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1121                          const GLvoid *indices );
1122    void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1123                               GLuint end, GLsizei count,
1124                               GLenum type, const GLvoid *indices );
1125    void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
1126                                             GLenum type,
1127                                             const GLvoid **indices,
1128                                             GLsizei primcount);
1129    void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
1130                                               GLenum type,
1131                                               const GLvoid *indices,
1132                                               GLint basevertex );
1133    void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
1134                                                    GLuint end, GLsizei count,
1135                                                    GLenum type,
1136                                                    const GLvoid *indices,
1137                                                    GLint basevertex);
1138    void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
1139                                                    const GLsizei *count,
1140                                                    GLenum type,
1141                                                    const GLvoid **indices,
1142                                                    GLsizei primcount,
1143                                                    const GLint *basevertex);
1144    /*@}*/
1145
1146    /**
1147     * \name Eval
1148     *
1149     * If you don't support eval, fallback to the default vertex format
1150     * on receiving an eval call and use the pipeline mechanism to
1151     * provide partial T&L acceleration.
1152     *
1153     * Mesa will provide a set of helper functions to do eval within
1154     * accelerated vertex formats, eventually...
1155     */
1156    /*@{*/
1157    void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1158    void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1159    /*@}*/
1160
1161 } GLvertexformat;
1162
1163
1164 #endif /* DD_INCLUDED */