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     * \name Image-related functions
 115     */
 116    /*@{*/
 117
 118    /**
 119     * Called by glDrawPixels().
 120     * \p unpack describes how to unpack the source image data.
 121     */
 122    void (*DrawPixels)( GLcontext *ctx,
 123                        GLint x, GLint y, GLsizei width, GLsizei height,
 124                        GLenum format, GLenum type,
 125                        const struct gl_pixelstore_attrib *unpack,
 126                        const GLvoid *pixels );
 127
 128    /**
 129     * Called by glReadPixels().
 130     */
 131    void (*ReadPixels)( GLcontext *ctx,
 132                        GLint x, GLint y, GLsizei width, GLsizei height,
 133                        GLenum format, GLenum type,
 134                        const struct gl_pixelstore_attrib *unpack,
 135                        GLvoid *dest );
 136
 137    /**
 138     * Called by glCopyPixels().
 139     */
 140    void (*CopyPixels)( GLcontext *ctx, GLint srcx, GLint srcy,
 141                        GLsizei width, GLsizei height,
 142                        GLint dstx, GLint dsty, GLenum type );
 143
 144    /**
 145     * Called by glBitmap().
 146     */
 147    void (*Bitmap)( GLcontext *ctx,
 148                    GLint x, GLint y, GLsizei width, GLsizei height,
 149                    const struct gl_pixelstore_attrib *unpack,
 150                    const GLubyte *bitmap );
 151    /*@}*/
 152
 153
 154    /**
 155     * \name Texture image functions
 156     */
 157    /*@{*/
 158
 159    /**
 160     * Choose texture format.
 161     *
 162     * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
 163     * functions.  The driver should examine \p internalFormat and return a
 164     * pointer to an appropriate gl_texture_format.
 165     */
 166    const struct gl_texture_format *(*ChooseTextureFormat)( GLcontext *ctx,
 167                       GLint internalFormat, GLenum srcFormat, GLenum srcType );
 168
 169    /**
 170     * Called by glTexImage1D().
 171     *
 172     * \param target user specified.
 173     * \param format user specified.
 174     * \param type user specified.
 175     * \param pixels user specified.
 176     * \param packing indicates the image packing of pixels.
 177     * \param texObj is the target texture object.
 178     * \param texImage is the target texture image.  It will have the texture \p
 179     * width, \p height, \p depth, \p border and \p internalFormat information.
 180     *
 181     * \p retainInternalCopy is returned by this function and indicates whether
 182     * core Mesa should keep an internal copy of the texture image.
 183     *
 184     * Drivers should call a fallback routine from texstore.c if needed.
 185     */
 186    void (*TexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 187                        GLint internalFormat,
 188                        GLint width, GLint border,
 189                        GLenum format, GLenum type, const GLvoid *pixels,
 190                        const struct gl_pixelstore_attrib *packing,
 191                        struct gl_texture_object *texObj,
 192                        struct gl_texture_image *texImage );
 193
 194    /**
 195     * Called by glTexImage2D().
 196     *
 197     * \sa dd_function_table::TexImage1D.
 198     */
 199    void (*TexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 200                        GLint internalFormat,
 201                        GLint width, GLint height, GLint border,
 202                        GLenum format, GLenum type, const GLvoid *pixels,
 203                        const struct gl_pixelstore_attrib *packing,
 204                        struct gl_texture_object *texObj,
 205                        struct gl_texture_image *texImage );
 206
 207    /**
 208     * Called by glTexImage3D().
 209     *
 210     * \sa dd_function_table::TexImage1D.
 211     */
 212    void (*TexImage3D)( GLcontext *ctx, GLenum target, GLint level,
 213                        GLint internalFormat,
 214                        GLint width, GLint height, GLint depth, GLint border,
 215                        GLenum format, GLenum type, const GLvoid *pixels,
 216                        const struct gl_pixelstore_attrib *packing,
 217                        struct gl_texture_object *texObj,
 218                        struct gl_texture_image *texImage );
 219
 220    /**
 221     * Called by glTexSubImage1D().
 222     *
 223     * \param target user specified.
 224     * \param level user specified.
 225     * \param xoffset user specified.
 226     * \param yoffset user specified.
 227     * \param zoffset user specified.
 228     * \param width user specified.
 229     * \param height user specified.
 230     * \param depth user specified.
 231     * \param format user specified.
 232     * \param type user specified.
 233     * \param pixels user specified.
 234     * \param packing indicates the image packing of pixels.
 235     * \param texObj is the target texture object.
 236     * \param texImage is the target texture image.  It will have the texture \p
 237     * width, \p height, \p border and \p internalFormat information.
 238     *
 239     * The driver should use a fallback routine from texstore.c if needed.
 240     */
 241    void (*TexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 242                           GLint xoffset, GLsizei width,
 243                           GLenum format, GLenum type,
 244                           const GLvoid *pixels,
 245                           const struct gl_pixelstore_attrib *packing,
 246                           struct gl_texture_object *texObj,
 247                           struct gl_texture_image *texImage );
 248
 249    /**
 250     * Called by glTexSubImage2D().
 251     *
 252     * \sa dd_function_table::TexSubImage1D.
 253     */
 254    void (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 255                           GLint xoffset, GLint yoffset,
 256                           GLsizei width, GLsizei height,
 257                           GLenum format, GLenum type,
 258                           const GLvoid *pixels,
 259                           const struct gl_pixelstore_attrib *packing,
 260                           struct gl_texture_object *texObj,
 261                           struct gl_texture_image *texImage );
 262
 263    /**
 264     * Called by glTexSubImage3D().
 265     *
 266     * \sa dd_function_table::TexSubImage1D.
 267     */
 268    void (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 269                           GLint xoffset, GLint yoffset, GLint zoffset,
 270                           GLsizei width, GLsizei height, GLint depth,
 271                           GLenum format, GLenum type,
 272                           const GLvoid *pixels,
 273                           const struct gl_pixelstore_attrib *packing,
 274                           struct gl_texture_object *texObj,
 275                           struct gl_texture_image *texImage );
 276
 277    /**
 278     * Called by glGetTexImage().
 279     */
 280    void (*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
 281                         GLenum format, GLenum type, GLvoid *pixels,
 282                         struct gl_texture_object *texObj,
 283                         struct gl_texture_image *texImage );
 284
 285    /**
 286     * Called by glCopyTexImage1D().
 287     *
 288     * Drivers should use a fallback routine from texstore.c if needed.
 289     */
 290    void (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
 291                            GLenum internalFormat, GLint x, GLint y,
 292                            GLsizei width, GLint border );
 293
 294    /**
 295     * Called by glCopyTexImage2D().
 296     *
 297     * Drivers should use a fallback routine from texstore.c if needed.
 298     */
 299    void (*CopyTexImage2D)( GLcontext *ctx, GLenum target, GLint level,
 300                            GLenum internalFormat, GLint x, GLint y,
 301                            GLsizei width, GLsizei height, GLint border );
 302
 303    /**
 304     * Called by glCopyTexSubImage1D().
 305     *
 306     * Drivers should use a fallback routine from texstore.c if needed.
 307     */
 308    void (*CopyTexSubImage1D)( GLcontext *ctx, GLenum target, GLint level,
 309                               GLint xoffset,
 310                               GLint x, GLint y, GLsizei width );
 311    /**
 312     * Called by glCopyTexSubImage2D().
 313     *
 314     * Drivers should use a fallback routine from texstore.c if needed.
 315     */
 316    void (*CopyTexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
 317                               GLint xoffset, GLint yoffset,
 318                               GLint x, GLint y,
 319                               GLsizei width, GLsizei height );
 320    /**
 321     * Called by glCopyTexSubImage3D().
 322     *
 323     * Drivers should use a fallback routine from texstore.c if needed.
 324     */
 325    void (*CopyTexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
 326                               GLint xoffset, GLint yoffset, GLint zoffset,
 327                               GLint x, GLint y,
 328                               GLsizei width, GLsizei height );
 329
 330    /**
 331     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
 332     */
 333    void (*GenerateMipmap)(GLcontext *ctx, GLenum target,
 334                           struct gl_texture_object *texObj);
 335
 336    /**
 337     * Called by glTexImage[123]D when user specifies a proxy texture
 338     * target.
 339     *
 340     * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
 341     */
 342    GLboolean (*TestProxyTexImage)(GLcontext *ctx, GLenum target,
 343                                   GLint level, GLint internalFormat,
 344                                   GLenum format, GLenum type,
 345                                   GLint width, GLint height,
 346                                   GLint depth, GLint border);
 347    /*@}*/
 348
 349
 350    /**
 351     * \name Compressed texture functions
 352     */
 353    /*@{*/
 354
 355    /**
 356     * Called by glCompressedTexImage1D().
 357     *
 358     * \param target user specified.
 359     * \param format user specified.
 360     * \param type user specified.
 361     * \param pixels user specified.
 362     * \param packing indicates the image packing of pixels.
 363     * \param texObj is the target texture object.
 364     * \param texImage is the target texture image.  It will have the texture \p
 365     * width, \p height, \p depth, \p border and \p internalFormat information.
 366     *
 367     * \a retainInternalCopy is returned by this function and indicates whether
 368     * core Mesa should keep an internal copy of the texture image.
 369     */
 370    void (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
 371                                  GLint level, GLint internalFormat,
 372                                  GLsizei width, GLint border,
 373                                  GLsizei imageSize, const GLvoid *data,
 374                                  struct gl_texture_object *texObj,
 375                                  struct gl_texture_image *texImage );
 376    /**
 377     * Called by glCompressedTexImage2D().
 378     *
 379     * \sa dd_function_table::CompressedTexImage1D.
 380     */
 381    void (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
 382                                  GLint level, GLint internalFormat,
 383                                  GLsizei width, GLsizei height, GLint border,
 384                                  GLsizei imageSize, const GLvoid *data,
 385                                  struct gl_texture_object *texObj,
 386                                  struct gl_texture_image *texImage );
 387    /**
 388     * Called by glCompressedTexImage3D().
 389     *
 390     * \sa dd_function_table::CompressedTexImage3D.
 391     */
 392    void (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
 393                                  GLint level, GLint internalFormat,
 394                                  GLsizei width, GLsizei height, GLsizei depth,
 395                                  GLint border,
 396                                  GLsizei imageSize, const GLvoid *data,
 397                                  struct gl_texture_object *texObj,
 398                                  struct gl_texture_image *texImage );
 399
 400    /**
 401     * Called by glCompressedTexSubImage1D().
 402     *
 403     * \param target user specified.
 404     * \param level user specified.
 405     * \param xoffset user specified.
 406     * \param yoffset user specified.
 407     * \param zoffset user specified.
 408     * \param width user specified.
 409     * \param height user specified.
 410     * \param depth user specified.
 411     * \param imageSize user specified.
 412     * \param data user specified.
 413     * \param texObj is the target texture object.
 414     * \param texImage is the target texture image.  It will have the texture \p
 415     * width, \p height, \p depth, \p border and \p internalFormat information.
 416     */
 417    void (*CompressedTexSubImage1D)(GLcontext *ctx, GLenum target, GLint level,
 418                                    GLint xoffset, GLsizei width,
 419                                    GLenum format,
 420                                    GLsizei imageSize, const GLvoid *data,
 421                                    struct gl_texture_object *texObj,
 422                                    struct gl_texture_image *texImage);
 423    /**
 424     * Called by glCompressedTexSubImage2D().
 425     *
 426     * \sa dd_function_table::CompressedTexImage3D.
 427     */
 428    void (*CompressedTexSubImage2D)(GLcontext *ctx, GLenum target, GLint level,
 429                                    GLint xoffset, GLint yoffset,
 430                                    GLsizei width, GLint height,
 431                                    GLenum format,
 432                                    GLsizei imageSize, const GLvoid *data,
 433                                    struct gl_texture_object *texObj,
 434                                    struct gl_texture_image *texImage);
 435    /**
 436     * Called by glCompressedTexSubImage3D().
 437     *
 438     * \sa dd_function_table::CompressedTexImage3D.
 439     */
 440    void (*CompressedTexSubImage3D)(GLcontext *ctx, GLenum target, GLint level,
 441                                    GLint xoffset, GLint yoffset, GLint zoffset,
 442                                    GLsizei width, GLint height, GLint depth,
 443                                    GLenum format,
 444                                    GLsizei imageSize, const GLvoid *data,
 445                                    struct gl_texture_object *texObj,
 446                                    struct gl_texture_image *texImage);
 447
 448
 449    /**
 450     * Called by glGetCompressedTexImage.
 451     */
 452    void (*GetCompressedTexImage)(GLcontext *ctx, GLenum target, GLint level,
 453                                  GLvoid *img,
 454                                  struct gl_texture_object *texObj,
 455                                  struct gl_texture_image *texImage);
 456
 457    /**
 458     * Called to query number of bytes of storage needed to store the
 459     * specified compressed texture.
 460     */
 461    GLuint (*CompressedTextureSize)( GLcontext *ctx, GLsizei width,
 462                                     GLsizei height, GLsizei depth,
 463                                     GLenum format );
 464    /*@}*/
 465
 466    /**
 467     * \name Texture object functions
 468     */
 469    /*@{*/
 470
 471    /**
 472     * Called by glBindTexture().
 473     */
 474    void (*BindTexture)( GLcontext *ctx, GLenum target,
 475                         struct gl_texture_object *tObj );
 476
 477    /**
 478     * Called to allocate a new texture object.
 479     * A new gl_texture_object should be returned.  The driver should
 480     * attach to it any device-specific info it needs.
 481     */
 482    struct gl_texture_object * (*NewTextureObject)( GLcontext *ctx, GLuint name,
 483                                                    GLenum target );
 484    /**
 485     * Called when a texture object is about to be deallocated.
 486     *
 487     * Driver should delete the gl_texture_object object and anything
 488     * hanging off of it.
 489     */
 490    void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 491
 492    /**
 493     * Called to allocate a new texture image object.
 494     */
 495    struct gl_texture_image * (*NewTextureImage)( GLcontext *ctx );
 496
 497    /**
 498     * Called to free tImage->Data.
 499     */
 500    void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage );
 501
 502    /** Map texture image data into user space */
 503    void (*MapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 504    /** Unmap texture images from user space */
 505    void (*UnmapTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
 506
 507    /**
 508     * Note: no context argument.  This function doesn't initially look
 509     * like it belongs here, except that the driver is the only entity
 510     * that knows for sure how the texture memory is allocated - via
 511     * the above callbacks.  There is then an argument that the driver
 512     * knows what memcpy paths might be fast.  Typically this is invoked with
 513     *
 514     * to -- a pointer into texture memory allocated by NewTextureImage() above.
 515     * from -- a pointer into client memory or a mesa temporary.
 516     * sz -- nr bytes to copy.
 517     */
 518    void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
 519
 520    /**
 521     * Called by glAreTextureResident().
 522     */
 523    GLboolean (*IsTextureResident)( GLcontext *ctx,
 524                                    struct gl_texture_object *t );
 525
 526    /**
 527     * Called by glPrioritizeTextures().
 528     */
 529    void (*PrioritizeTexture)( GLcontext *ctx,  struct gl_texture_object *t,
 530                               GLclampf priority );
 531
 532    /**
 533     * Called by glActiveTextureARB() to set current texture unit.
 534     */
 535    void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
 536
 537    /**
 538     * Called when the texture's color lookup table is changed.
 539     *
 540     * If \p tObj is NULL then the shared texture palette
 541     * gl_texture_object::Palette is to be updated.
 542     */
 543    void (*UpdateTexturePalette)( GLcontext *ctx,
 544                                  struct gl_texture_object *tObj );
 545    /*@}*/
 546
 547
 548    /**
 549     * \name Imaging functionality
 550     */
 551    /*@{*/
 552    void (*CopyColorTable)( GLcontext *ctx,
 553                            GLenum target, GLenum internalformat,
 554                            GLint x, GLint y, GLsizei width );
 555
 556    void (*CopyColorSubTable)( GLcontext *ctx,
 557                               GLenum target, GLsizei start,
 558                               GLint x, GLint y, GLsizei width );
 559
 560    void (*CopyConvolutionFilter1D)( GLcontext *ctx, GLenum target,
 561                                     GLenum internalFormat,
 562                                     GLint x, GLint y, GLsizei width );
 563
 564    void (*CopyConvolutionFilter2D)( GLcontext *ctx, GLenum target,
 565                                     GLenum internalFormat,
 566                                     GLint x, GLint y,
 567                                     GLsizei width, GLsizei height );
 568    /*@}*/
 569
 570
 571    /**
 572     * \name Vertex/fragment program functions
 573     */
 574    /*@{*/
 575    /** Bind a vertex/fragment program */
 576    void (*BindProgram)(GLcontext *ctx, GLenum target, struct gl_program *prog);
 577    /** Allocate a new program */
 578    struct gl_program * (*NewProgram)(GLcontext *ctx, GLenum target, GLuint id);
 579    /** Delete a program */
 580    void (*DeleteProgram)(GLcontext *ctx, struct gl_program *prog);
 581    /** Notify driver that a program string has been specified. */
 582    void (*ProgramStringNotify)(GLcontext *ctx, GLenum target,
 583                                struct gl_program *prog);
 584    /** Get value of a program register during program execution. */
 585    void (*GetProgramRegister)(GLcontext *ctx, enum register_file file,
 586                               GLuint index, GLfloat val[4]);
 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    void (*TextureMatrix)(GLcontext *ctx, GLuint unit, const GLmatrix *mat);
 703    /** Set the viewport */
 704    void (*Viewport)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 705    /*@}*/
 706
 707
 708    /**
 709     * \name Vertex array functions
 710     *
 711     * Called by the corresponding OpenGL functions.
 712     */
 713    /*@{*/
 714    void (*VertexPointer)(GLcontext *ctx, GLint size, GLenum type,
 715                          GLsizei stride, const GLvoid *ptr);
 716    void (*NormalPointer)(GLcontext *ctx, GLenum type,
 717                          GLsizei stride, const GLvoid *ptr);
 718    void (*ColorPointer)(GLcontext *ctx, GLint size, GLenum type,
 719                         GLsizei stride, const GLvoid *ptr);
 720    void (*FogCoordPointer)(GLcontext *ctx, GLenum type,
 721                            GLsizei stride, const GLvoid *ptr);
 722    void (*IndexPointer)(GLcontext *ctx, GLenum type,
 723                         GLsizei stride, const GLvoid *ptr);
 724    void (*SecondaryColorPointer)(GLcontext *ctx, GLint size, GLenum type,
 725                                  GLsizei stride, const GLvoid *ptr);
 726    void (*TexCoordPointer)(GLcontext *ctx, GLint size, GLenum type,
 727                            GLsizei stride, const GLvoid *ptr);
 728    void (*EdgeFlagPointer)(GLcontext *ctx, GLsizei stride, const GLvoid *ptr);
 729    void (*VertexAttribPointer)(GLcontext *ctx, GLuint index, GLint size,
 730                                GLenum type, GLsizei stride, const GLvoid *ptr);
 731    void (*LockArraysEXT)( GLcontext *ctx, GLint first, GLsizei count );
 732    void (*UnlockArraysEXT)( GLcontext *ctx );
 733    /*@}*/
 734
 735
 736    /**
 737     * \name State-query functions
 738     *
 739     * Return GL_TRUE if query was completed, GL_FALSE otherwise.
 740     */
 741    /*@{*/
 742    /** Return the value or values of a selected parameter */
 743    GLboolean (*GetBooleanv)(GLcontext *ctx, GLenum pname, GLboolean *result);
 744    /** Return the value or values of a selected parameter */
 745    GLboolean (*GetDoublev)(GLcontext *ctx, GLenum pname, GLdouble *result);
 746    /** Return the value or values of a selected parameter */
 747    GLboolean (*GetFloatv)(GLcontext *ctx, GLenum pname, GLfloat *result);
 748    /** Return the value or values of a selected parameter */
 749    GLboolean (*GetIntegerv)(GLcontext *ctx, GLenum pname, GLint *result);
 750    /** Return the value or values of a selected parameter */
 751    GLboolean (*GetPointerv)(GLcontext *ctx, GLenum pname, GLvoid **result);
 752    /*@}*/
 753
 754
 755    /**
 756     * \name Vertex/pixel buffer object functions
 757     */
 758 #if FEATURE_ARB_vertex_buffer_object
 759    /*@{*/
 760    void (*BindBuffer)( GLcontext *ctx, GLenum target,
 761                        struct gl_buffer_object *obj );
 762
 763    struct gl_buffer_object * (*NewBufferObject)( GLcontext *ctx, GLuint buffer,
 764                                                  GLenum target );
 765
 766    void (*DeleteBuffer)( GLcontext *ctx, struct gl_buffer_object *obj );
 767
 768    void (*BufferData)( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
 769                        const GLvoid *data, GLenum usage,
 770                        struct gl_buffer_object *obj );
 771
 772    void (*BufferSubData)( GLcontext *ctx, GLenum target, GLintptrARB offset,
 773                           GLsizeiptrARB size, const GLvoid *data,
 774                           struct gl_buffer_object *obj );
 775
 776    void (*GetBufferSubData)( GLcontext *ctx, GLenum target,
 777                              GLintptrARB offset, GLsizeiptrARB size,
 778                              GLvoid *data, struct gl_buffer_object *obj );
 779
 780    void * (*MapBuffer)( GLcontext *ctx, GLenum target, GLenum access,
 781                         struct gl_buffer_object *obj );
 782
 783    GLboolean (*UnmapBuffer)( GLcontext *ctx, GLenum target,
 784                              struct gl_buffer_object *obj );
 785    /*@}*/
 786 #endif
 787
 788    /**
 789     * \name Functions for GL_EXT_framebuffer_object
 790     */
 791 #if FEATURE_EXT_framebuffer_object
 792    /*@{*/
 793    struct gl_framebuffer * (*NewFramebuffer)(GLcontext *ctx, GLuint name);
 794    struct gl_renderbuffer * (*NewRenderbuffer)(GLcontext *ctx, GLuint name);
 795    void (*BindFramebuffer)(GLcontext *ctx, GLenum target,
 796                            struct gl_framebuffer *fb, struct gl_framebuffer *fbread);
 797    void (*FramebufferRenderbuffer)(GLcontext *ctx,
 798                                    struct gl_framebuffer *fb,
 799                                    GLenum attachment,
 800                                    struct gl_renderbuffer *rb);
 801    void (*RenderTexture)(GLcontext *ctx,
 802                          struct gl_framebuffer *fb,
 803                          struct gl_renderbuffer_attachment *att);
 804    void (*FinishRenderTexture)(GLcontext *ctx,
 805                                struct gl_renderbuffer_attachment *att);
 806    /*@}*/
 807 #endif
 808 #if FEATURE_EXT_framebuffer_blit
 809    void (*BlitFramebuffer)(GLcontext *ctx,
 810                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 811                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 812                            GLbitfield mask, GLenum filter);
 813 #endif
 814
 815    /**
 816     * \name Query objects
 817     */
 818    /*@{*/
 819    struct gl_query_object * (*NewQueryObject)(GLcontext *ctx, GLuint id);
 820    void (*BeginQuery)(GLcontext *ctx, GLenum target,
 821                       struct gl_query_object *q);
 822    void (*EndQuery)(GLcontext *ctx, GLenum target, struct gl_query_object *q);
 823    /*@}*/
 824
 825
 826    /**
 827     * \name Vertex Array objects
 828     */
 829    /*@{*/
 830    struct gl_array_object * (*NewArrayObject)(GLcontext *ctx, GLuint id);
 831    void (*DeleteArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 832    void (*BindArrayObject)(GLcontext *ctx, struct gl_array_object *obj);
 833    /*@}*/
 834
 835    /**
 836     * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
 837     */
 838    /*@{*/
 839    void (*AttachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 840    void (*BindAttribLocation)(GLcontext *ctx, GLuint program, GLuint index,
 841                               const GLcharARB *name);
 842    void (*CompileShader)(GLcontext *ctx, GLuint shader);
 843    GLuint (*CreateShader)(GLcontext *ctx, GLenum type);
 844    GLuint (*CreateProgram)(GLcontext *ctx);
 845    void (*DeleteProgram2)(GLcontext *ctx, GLuint program);
 846    void (*DeleteShader)(GLcontext *ctx, GLuint shader);
 847    void (*DetachShader)(GLcontext *ctx, GLuint program, GLuint shader);
 848    void (*GetActiveAttrib)(GLcontext *ctx, GLuint program, GLuint index,
 849                            GLsizei maxLength, GLsizei * length, GLint * size,
 850                            GLenum * type, GLcharARB * name);
 851    void (*GetActiveUniform)(GLcontext *ctx, GLuint program, GLuint index,
 852                             GLsizei maxLength, GLsizei *length, GLint *size,
 853                             GLenum *type, GLcharARB *name);
 854    void (*GetAttachedShaders)(GLcontext *ctx, GLuint program, GLsizei maxCount,
 855                               GLsizei *count, GLuint *obj);
 856    GLint (*GetAttribLocation)(GLcontext *ctx, GLuint program,
 857                               const GLcharARB *name);
 858    GLuint (*GetHandle)(GLcontext *ctx, GLenum pname);
 859    void (*GetProgramiv)(GLcontext *ctx, GLuint program,
 860                         GLenum pname, GLint *params);
 861    void (*GetProgramInfoLog)(GLcontext *ctx, GLuint program, GLsizei bufSize,
 862                              GLsizei *length, GLchar *infoLog);
 863    void (*GetShaderiv)(GLcontext *ctx, GLuint shader,
 864                        GLenum pname, GLint *params);
 865    void (*GetShaderInfoLog)(GLcontext *ctx, GLuint shader, GLsizei bufSize,
 866                             GLsizei *length, GLchar *infoLog);
 867    void (*GetShaderSource)(GLcontext *ctx, GLuint shader, GLsizei maxLength,
 868                            GLsizei *length, GLcharARB *sourceOut);
 869    void (*GetUniformfv)(GLcontext *ctx, GLuint program, GLint location,
 870                         GLfloat *params);
 871    void (*GetUniformiv)(GLcontext *ctx, GLuint program, GLint location,
 872                         GLint *params);
 873    GLint (*GetUniformLocation)(GLcontext *ctx, GLuint program,
 874                                const GLcharARB *name);
 875    GLboolean (*IsProgram)(GLcontext *ctx, GLuint name);
 876    GLboolean (*IsShader)(GLcontext *ctx, GLuint name);
 877    void (*LinkProgram)(GLcontext *ctx, GLuint program);
 878    void (*ShaderSource)(GLcontext *ctx, GLuint shader, const GLchar *source);
 879    void (*Uniform)(GLcontext *ctx, GLint location, GLsizei count,
 880                    const GLvoid *values, GLenum type);
 881    void (*UniformMatrix)(GLcontext *ctx, GLint cols, GLint rows,
 882                          GLenum matrixType, GLint location, GLsizei count,
 883                          GLboolean transpose, const GLfloat *values);
 884    void (*UseProgram)(GLcontext *ctx, GLuint program);
 885    void (*ValidateProgram)(GLcontext *ctx, GLuint program);
 886    /* XXX many more to come */
 887    /*@}*/
 888
 889
 890    /**
 891     * \name Support for multiple T&L engines
 892     */
 893    /*@{*/
 894
 895    /**
 896     * Bitmask of state changes that require the current T&L module to be
 897     * validated, using ValidateTnlModule() below.
 898     */
 899    GLuint NeedValidate;
 900
 901    /**
 902     * Validate the current T&L module.
 903     *
 904     * This is called directly after UpdateState() when a state change that has
 905     * occurred matches the dd_function_table::NeedValidate bitmask above.  This
 906     * ensures all computed values are up to date, thus allowing the driver to
 907     * decide if the current T&L module needs to be swapped out.
 908     *
 909     * This must be non-NULL if a driver installs a custom T&L module and sets
 910     * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
 911     */
 912    void (*ValidateTnlModule)( GLcontext *ctx, GLuint new_state );
 913
 914
 915 #define PRIM_OUTSIDE_BEGIN_END   GL_POLYGON+1
 916 #define PRIM_INSIDE_UNKNOWN_PRIM GL_POLYGON+2
 917 #define PRIM_UNKNOWN             GL_POLYGON+3
 918
 919    /**
 920     * Set by the driver-supplied T&L engine.
 921     *
 922     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
 923     */
 924    GLuint CurrentExecPrimitive;
 925
 926    /**
 927     * Current state of an in-progress compilation.
 928     *
 929     * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
 930     * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
 931     */
 932    GLuint CurrentSavePrimitive;
 933
 934
 935 #define FLUSH_STORED_VERTICES 0x1
 936 #define FLUSH_UPDATE_CURRENT  0x2
 937    /**
 938     * Set by the driver-supplied T&L engine whenever vertices are buffered
 939     * between glBegin()/glEnd() objects or __GLcontextRec::Current is not
 940     * updated.
 941     *
 942     * The dd_function_table::FlushVertices call below may be used to resolve
 943     * these conditions.
 944     */
 945    GLuint NeedFlush;
 946    GLuint SaveNeedFlush;
 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 mesa_display_list *dlist );
 994    /**
 995     * Called by glEndCallList().
 996     *
 997     * \sa dd_function_table::BeginCallList.
 998     */
 999    void (*EndCallList)( GLcontext *ctx );
1000
1001 };
1002
1003
1004 /**
1005  * Transform/Clip/Lighting interface
1006  *
1007  * Drivers present a reduced set of the functions possible in
1008  * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
1009  * remaining functions to map down to these entry points.
1010  *
1011  * These are the initial values to be installed into dispatch by
1012  * mesa.  If the T&L driver wants to modify the dispatch table
1013  * while installed, it must do so itself.  It would be possible for
1014  * the vertexformat to install it's own initial values for these
1015  * functions, but this way there is an obvious list of what is
1016  * expected of the driver.
1017  *
1018  * If the driver wants to hook in entry points other than those
1019  * listed, it must restore them to their original values in
1020  * the disable() callback, below.
1021  */
1022 typedef struct {
1023    /**
1024     * \name Vertex
1025     */
1026    /*@{*/
1027    void (GLAPIENTRYP ArrayElement)( GLint ); /* NOTE */
1028    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1029    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1030    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1031    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1032    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1033    void (GLAPIENTRYP EvalCoord1f)( GLfloat );          /* NOTE */
1034    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); /* NOTE */
1035    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); /* NOTE */
1036    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); /* NOTE */
1037    void (GLAPIENTRYP EvalPoint1)( GLint );             /* NOTE */
1038    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );      /* NOTE */
1039    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1040    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1041    void (GLAPIENTRYP Indexf)( GLfloat );
1042    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1043    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); /* NOTE */
1044    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1045    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1046    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1047    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1048    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1049    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1050    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1051    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1052    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1053    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1054    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1055    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1056    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1057    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1058    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1059    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1060    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1061    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1062    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1063    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1064    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1065    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1066    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1067    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1068    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1069    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1070    void (GLAPIENTRYP CallList)( GLuint );       /* NOTE */
1071    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );     /* NOTE */
1072    void (GLAPIENTRYP Begin)( GLenum );
1073    void (GLAPIENTRYP End)( void );
1074    /* GL_NV_vertex_program */
1075    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1076    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1077    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1078    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1079    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1080    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1081    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1082    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1083 #if FEATURE_ARB_vertex_program
1084    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1085    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1086    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1087    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1088    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1089    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1090    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1091    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1092 #endif
1093    /*@}*/
1094
1095    /*
1096     */
1097    void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1098
1099    /**
1100     * \name Array
1101     */
1102    /*@{*/
1103    void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1104    void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1105                          const GLvoid *indices );
1106    void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1107                               GLuint end, GLsizei count,
1108                               GLenum type, const GLvoid *indices );
1109    /*@}*/
1110
1111    /**
1112     * \name Eval
1113     *
1114     * If you don't support eval, fallback to the default vertex format
1115     * on receiving an eval call and use the pipeline mechanism to
1116     * provide partial T&L acceleration.
1117     *
1118     * Mesa will provide a set of helper functions to do eval within
1119     * accelerated vertex formats, eventually...
1120     */
1121    /*@{*/
1122    void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1123    void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1124    /*@}*/
1125
1126 } GLvertexformat;
1127
1128
1129 #endif /* DD_INCLUDED */