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 #include "glheader.h"
  37
  38 struct gl_buffer_object;
  39 struct gl_context;
  40 struct gl_display_list;
  41 struct gl_framebuffer;
  42 struct gl_pixelstore_attrib;
  43 struct gl_program;
  44 struct gl_renderbuffer;
  45 struct gl_renderbuffer_attachment;
  46 struct gl_shader;
  47 struct gl_shader_program;
  48 struct gl_texture_image;
  49 struct gl_texture_object;
  50
  51 /* GL_ARB_vertex_buffer_object */
  52 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
  53  * NULL) if buffer is unavailable for immediate mapping.
  54  *
  55  * Does GL_MAP_INVALIDATE_RANGE_BIT do this?  It seems so, but it
  56  * would require more book-keeping in the driver than seems necessary
  57  * at this point.
  58  *
  59  * Does GL_MAP_INVALDIATE_BUFFER_BIT do this?  Not really -- we don't
  60  * want to provoke the driver to throw away the old storage, we will
  61  * respect the contents of already referenced data.
  62  */
  63 #define MESA_MAP_NOWAIT_BIT       0x0040
  64
  65
  66 /**
  67  * Device driver function table.
  68  * Core Mesa uses these function pointers to call into device drivers.
  69  * Most of these functions directly correspond to OpenGL state commands.
  70  * Core Mesa will call these functions after error checking has been done
  71  * so that the drivers don't have to worry about error testing.
  72  *
  73  * Vertex transformation/clipping/lighting is patched into the T&L module.
  74  * Rasterization functions are patched into the swrast module.
  75  *
  76  * Note: when new functions are added here, the drivers/common/driverfuncs.c
  77  * file should be updated too!!!
  78  */
  79 struct dd_function_table {
  80    /**
  81     * Return a string as needed by glGetString().
  82     * Only the GL_RENDERER query must be implemented.  Otherwise, NULL can be
  83     * returned.
  84     */
  85    const GLubyte * (*GetString)( struct gl_context *ctx, GLenum name );
  86
  87    /**
  88     * Notify the driver after Mesa has made some internal state changes.
  89     *
  90     * This is in addition to any state change callbacks Mesa may already have
  91     * made.
  92     */
  93    void (*UpdateState)( struct gl_context *ctx, GLbitfield new_state );
  94
  95    /**
  96     * Get the width and height of the named buffer/window.
  97     *
  98     * Mesa uses this to determine when the driver's window size has changed.
  99     * XXX OBSOLETE: this function will be removed in the future.
 100     */
 101    void (*GetBufferSize)( struct gl_framebuffer *buffer,
 102                           GLuint *width, GLuint *height );
 103
 104    /**
 105     * Resize the given framebuffer to the given size.
 106     * XXX OBSOLETE: this function will be removed in the future.
 107     */
 108    void (*ResizeBuffers)( struct gl_context *ctx, struct gl_framebuffer *fb,
 109                           GLuint width, GLuint height);
 110
 111    /**
 112     * Called whenever an error is generated.
 113     * __struct gl_contextRec::ErrorValue contains the error value.
 114     */
 115    void (*Error)( struct gl_context *ctx );
 116
 117    /**
 118     * This is called whenever glFinish() is called.
 119     */
 120    void (*Finish)( struct gl_context *ctx );
 121
 122    /**
 123     * This is called whenever glFlush() is called.
 124     */
 125    void (*Flush)( struct gl_context *ctx );
 126
 127    /**
 128     * Clear the color/depth/stencil/accum buffer(s).
 129     * \param buffers  a bitmask of BUFFER_BIT_* flags indicating which
 130     *                 renderbuffers need to be cleared.
 131     */
 132    void (*Clear)( struct gl_context *ctx, GLbitfield buffers );
 133
 134    /**
 135     * Execute glAccum command.
 136     */
 137    void (*Accum)( struct gl_context *ctx, GLenum op, GLfloat value );
 138
 139
 140    /**
 141     * Execute glRasterPos, updating the ctx->Current.Raster fields
 142     */
 143    void (*RasterPos)( struct gl_context *ctx, const GLfloat v[4] );
 144
 145    /**
 146     * \name Image-related functions
 147     */
 148    /*@{*/
 149
 150    /**
 151     * Called by glDrawPixels().
 152     * \p unpack describes how to unpack the source image data.
 153     */
 154    void (*DrawPixels)( struct gl_context *ctx,
 155                        GLint x, GLint y, GLsizei width, GLsizei height,
 156                        GLenum format, GLenum type,
 157                        const struct gl_pixelstore_attrib *unpack,
 158                        const GLvoid *pixels );
 159
 160    /**
 161     * Called by glReadPixels().
 162     */
 163    void (*ReadPixels)( struct gl_context *ctx,
 164                        GLint x, GLint y, GLsizei width, GLsizei height,
 165                        GLenum format, GLenum type,
 166                        const struct gl_pixelstore_attrib *unpack,
 167                        GLvoid *dest );
 168
 169    /**
 170     * Called by glCopyPixels().
 171     */
 172    void (*CopyPixels)( struct gl_context *ctx, GLint srcx, GLint srcy,
 173                        GLsizei width, GLsizei height,
 174                        GLint dstx, GLint dsty, GLenum type );
 175
 176    /**
 177     * Called by glBitmap().
 178     */
 179    void (*Bitmap)( struct gl_context *ctx,
 180                    GLint x, GLint y, GLsizei width, GLsizei height,
 181                    const struct gl_pixelstore_attrib *unpack,
 182                    const GLubyte *bitmap );
 183    /*@}*/
 184
 185
 186    /**
 187     * \name Texture image functions
 188     */
 189    /*@{*/
 190
 191    /**
 192     * Choose actual hardware texture format given the user-provided source
 193     * image format and type and the desired internal format.  In some
 194     * cases, srcFormat and srcType can be GL_NONE.
 195     * Called by glTexImage(), etc.
 196     */
 197    gl_format (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat,
 198                                      GLenum srcFormat, GLenum srcType );
 199
 200    /**
 201     * Called by glTexImage1D().  Simply copy the source texture data into the
 202     * destination texture memory.  The gl_texture_image fields, etc. will be
 203     * fully initialized.
 204     * The parameters are the same as glTexImage1D(), plus:
 205     * \param packing describes how to unpack the source data.
 206     * \param texObj is the target texture object.
 207     * \param texImage is the target texture image.
 208     */
 209    void (*TexImage1D)( struct gl_context *ctx, GLenum target, GLint level,
 210                        GLint internalFormat,
 211                        GLint width, GLint border,
 212                        GLenum format, GLenum type, const GLvoid *pixels,
 213                        const struct gl_pixelstore_attrib *packing,
 214                        struct gl_texture_object *texObj,
 215                        struct gl_texture_image *texImage );
 216
 217    /**
 218     * Called by glTexImage2D().
 219     *
 220     * \sa dd_function_table::TexImage1D.
 221     */
 222    void (*TexImage2D)( struct gl_context *ctx, GLenum target, GLint level,
 223                        GLint internalFormat,
 224                        GLint width, GLint height, GLint border,
 225                        GLenum format, GLenum type, const GLvoid *pixels,
 226                        const struct gl_pixelstore_attrib *packing,
 227                        struct gl_texture_object *texObj,
 228                        struct gl_texture_image *texImage );
 229
 230    /**
 231     * Called by glTexImage3D().
 232     *
 233     * \sa dd_function_table::TexImage1D.
 234     */
 235    void (*TexImage3D)( struct gl_context *ctx, GLenum target, GLint level,
 236                        GLint internalFormat,
 237                        GLint width, GLint height, GLint depth, GLint border,
 238                        GLenum format, GLenum type, const GLvoid *pixels,
 239                        const struct gl_pixelstore_attrib *packing,
 240                        struct gl_texture_object *texObj,
 241                        struct gl_texture_image *texImage );
 242
 243    /**
 244     * Called by glTexSubImage1D().  Replace a subset of the target texture
 245     * with new texel data.
 246     * \sa dd_function_table::TexImage1D.
 247     */
 248    void (*TexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
 249                           GLint xoffset, GLsizei width,
 250                           GLenum format, GLenum type,
 251                           const GLvoid *pixels,
 252                           const struct gl_pixelstore_attrib *packing,
 253                           struct gl_texture_object *texObj,
 254                           struct gl_texture_image *texImage );
 255
 256    /**
 257     * Called by glTexSubImage2D().
 258     *
 259     * \sa dd_function_table::TexSubImage1D.
 260     */
 261    void (*TexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
 262                           GLint xoffset, GLint yoffset,
 263                           GLsizei width, GLsizei height,
 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 glTexSubImage3D().
 272     *
 273     * \sa dd_function_table::TexSubImage1D.
 274     */
 275    void (*TexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
 276                           GLint xoffset, GLint yoffset, GLint zoffset,
 277                           GLsizei width, GLsizei height, GLint depth,
 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 glGetTexImage().
 286     */
 287    void (*GetTexImage)( struct gl_context *ctx,
 288                         GLenum format, GLenum type, GLvoid *pixels,
 289                         struct gl_texture_image *texImage );
 290
 291    /**
 292     * Called by glCopyTexSubImage1D().
 293     *
 294     * Drivers should use a fallback routine from texstore.c if needed.
 295     */
 296    void (*CopyTexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
 297                               GLint xoffset,
 298                               GLint x, GLint y, GLsizei width );
 299    /**
 300     * Called by glCopyTexSubImage2D().
 301     *
 302     * Drivers should use a fallback routine from texstore.c if needed.
 303     */
 304    void (*CopyTexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
 305                               GLint xoffset, GLint yoffset,
 306                               GLint x, GLint y,
 307                               GLsizei width, GLsizei height );
 308    /**
 309     * Called by glCopyTexSubImage3D().
 310     *
 311     * Drivers should use a fallback routine from texstore.c if needed.
 312     */
 313    void (*CopyTexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
 314                               GLint xoffset, GLint yoffset, GLint zoffset,
 315                               GLint x, GLint y,
 316                               GLsizei width, GLsizei height );
 317
 318    /**
 319     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
 320     */
 321    void (*GenerateMipmap)(struct gl_context *ctx, GLenum target,
 322                           struct gl_texture_object *texObj);
 323
 324    /**
 325     * Called by glTexImage[123]D when user specifies a proxy texture
 326     * target.
 327     *
 328     * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
 329     */
 330    GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
 331                                   GLint level, GLint internalFormat,
 332                                   GLenum format, GLenum type,
 333                                   GLint width, GLint height,
 334                                   GLint depth, GLint border);
 335    /*@}*/
 336
 337
 338    /**
 339     * \name Compressed texture functions
 340     */
 341    /*@{*/
 342
 343    /**
 344     * Called by glCompressedTexImage1D().
 345     *
 346     * \param target user specified.
 347     * \param format user specified.
 348     * \param type user specified.
 349     * \param pixels user specified.
 350     * \param packing indicates the image packing of pixels.
 351     * \param texObj is the target texture object.
 352     * \param texImage is the target texture image.  It will have the texture \p
 353     * width, \p height, \p depth, \p border and \p internalFormat information.
 354     *
 355     * \a retainInternalCopy is returned by this function and indicates whether
 356     * core Mesa should keep an internal copy of the texture image.
 357     */
 358    void (*CompressedTexImage1D)( struct gl_context *ctx, GLenum target,
 359                                  GLint level, GLint internalFormat,
 360                                  GLsizei width, GLint border,
 361                                  GLsizei imageSize, const GLvoid *data,
 362                                  struct gl_texture_object *texObj,
 363                                  struct gl_texture_image *texImage );
 364    /**
 365     * Called by glCompressedTexImage2D().
 366     *
 367     * \sa dd_function_table::CompressedTexImage1D.
 368     */
 369    void (*CompressedTexImage2D)( struct gl_context *ctx, GLenum target,
 370                                  GLint level, GLint internalFormat,
 371                                  GLsizei width, GLsizei height, GLint border,
 372                                  GLsizei imageSize, const GLvoid *data,
 373                                  struct gl_texture_object *texObj,
 374                                  struct gl_texture_image *texImage );
 375    /**
 376     * Called by glCompressedTexImage3D().
 377     *
 378     * \sa dd_function_table::CompressedTexImage3D.
 379     */
 380    void (*CompressedTexImage3D)( struct gl_context *ctx, GLenum target,
 381                                  GLint level, GLint internalFormat,
 382                                  GLsizei width, GLsizei height, GLsizei depth,
 383                                  GLint border,
 384                                  GLsizei imageSize, const GLvoid *data,
 385                                  struct gl_texture_object *texObj,
 386                                  struct gl_texture_image *texImage );
 387
 388    /**
 389     * Called by glCompressedTexSubImage1D().
 390     *
 391     * \param target user specified.
 392     * \param level user specified.
 393     * \param xoffset user specified.
 394     * \param yoffset user specified.
 395     * \param zoffset user specified.
 396     * \param width user specified.
 397     * \param height user specified.
 398     * \param depth user specified.
 399     * \param imageSize user specified.
 400     * \param data user specified.
 401     * \param texObj is the target texture object.
 402     * \param texImage is the target texture image.  It will have the texture \p
 403     * width, \p height, \p depth, \p border and \p internalFormat information.
 404     */
 405    void (*CompressedTexSubImage1D)(struct gl_context *ctx, GLenum target, GLint level,
 406                                    GLint xoffset, GLsizei width,
 407                                    GLenum format,
 408                                    GLsizei imageSize, const GLvoid *data,
 409                                    struct gl_texture_object *texObj,
 410                                    struct gl_texture_image *texImage);
 411    /**
 412     * Called by glCompressedTexSubImage2D().
 413     *
 414     * \sa dd_function_table::CompressedTexImage3D.
 415     */
 416    void (*CompressedTexSubImage2D)(struct gl_context *ctx, GLenum target, GLint level,
 417                                    GLint xoffset, GLint yoffset,
 418                                    GLsizei width, GLint height,
 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 glCompressedTexSubImage3D().
 425     *
 426     * \sa dd_function_table::CompressedTexImage3D.
 427     */
 428    void (*CompressedTexSubImage3D)(struct gl_context *ctx, GLenum target, GLint level,
 429                                    GLint xoffset, GLint yoffset, GLint zoffset,
 430                                    GLsizei width, GLint height, GLint depth,
 431                                    GLenum format,
 432                                    GLsizei imageSize, const GLvoid *data,
 433                                    struct gl_texture_object *texObj,
 434                                    struct gl_texture_image *texImage);
 435
 436
 437    /**
 438     * Called by glGetCompressedTexImage.
 439     */
 440    void (*GetCompressedTexImage)(struct gl_context *ctx, GLenum target, GLint level,
 441                                  GLvoid *img,
 442                                  struct gl_texture_object *texObj,
 443                                  struct gl_texture_image *texImage);
 444
 445    /*@}*/
 446
 447    /**
 448     * \name Texture object functions
 449     */
 450    /*@{*/
 451
 452    /**
 453     * Called by glBindTexture().
 454     */
 455    void (*BindTexture)( struct gl_context *ctx, GLenum target,
 456                         struct gl_texture_object *tObj );
 457
 458    /**
 459     * Called to allocate a new texture object.
 460     * A new gl_texture_object should be returned.  The driver should
 461     * attach to it any device-specific info it needs.
 462     */
 463    struct gl_texture_object * (*NewTextureObject)( struct gl_context *ctx, GLuint name,
 464                                                    GLenum target );
 465    /**
 466     * Called when a texture object is about to be deallocated.
 467     *
 468     * Driver should delete the gl_texture_object object and anything
 469     * hanging off of it.
 470     */
 471    void (*DeleteTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
 472
 473    /**
 474     * Called to allocate a new texture image object.
 475     */
 476    struct gl_texture_image * (*NewTextureImage)( struct gl_context *ctx );
 477
 478    /** Called to free a texture image object returned by NewTextureImage() */
 479    void (*DeleteTextureImage)(struct gl_context *ctx,
 480                               struct gl_texture_image *);
 481
 482    /** Called to allocate memory for a single texture image */
 483    GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
 484                                         struct gl_texture_image *texImage,
 485                                         gl_format format, GLsizei width,
 486                                         GLsizei height, GLsizei depth);
 487
 488    /**
 489     * Called to free tImage->Data.
 490     */
 491    void (*FreeTextureImageBuffer)( struct gl_context *ctx, struct gl_texture_image *tImage );
 492
 493    /** Map a slice of a texture image into user space.
 494     * \param texImage  the texture image
 495     * \param slice  the 3D image slice or array texture slice
 496     * \param x, y, w, h  region of interest
 497     * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT
 498     * \param mapOut  returns start of mapping of region of interest
 499     * \param rowStrideOut  returns row stride (in bytes)
 500     */
 501    void (*MapTextureImage)(struct gl_context *ctx,
 502                            struct gl_texture_image *texImage,
 503                            GLuint slice,
 504                            GLuint x, GLuint y, GLuint w, GLuint h,
 505                            GLbitfield mode,
 506                            GLubyte **mapOut, GLint *rowStrideOut);
 507
 508    void (*UnmapTextureImage)(struct gl_context *ctx,
 509                              struct gl_texture_image *texImage,
 510                              GLuint slice);
 511
 512    /** Map texture image data into user space */
 513    void (*MapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
 514    /** Unmap texture images from user space */
 515    void (*UnmapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
 516
 517    /** For GL_ARB_texture_storage.  Allocate memory for whole mipmap stack.
 518     * All the gl_texture_images in the texture object will have their
 519     * dimensions, format, etc. initialized already.
 520     */
 521    GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
 522                                     struct gl_texture_object *texObj,
 523                                     GLsizei levels, GLsizei width,
 524                                     GLsizei height, GLsizei depth);
 525
 526    void (*MapRenderbuffer)(struct gl_context *ctx,
 527                            struct gl_renderbuffer *rb,
 528                            GLuint x, GLuint y, GLuint w, GLuint h,
 529                            GLbitfield mode,
 530                            GLubyte **mapOut, GLint *rowStrideOut);
 531
 532    void (*UnmapRenderbuffer)(struct gl_context *ctx,
 533                              struct gl_renderbuffer *rb);
 534
 535    /*@}*/
 536
 537
 538    /**
 539     * \name Vertex/fragment program functions
 540     */
 541    /*@{*/
 542    /** Bind a vertex/fragment program */
 543    void (*BindProgram)(struct gl_context *ctx, GLenum target, struct gl_program *prog);
 544    /** Allocate a new program */
 545    struct gl_program * (*NewProgram)(struct gl_context *ctx, GLenum target, GLuint id);
 546    /** Delete a program */
 547    void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog);
 548    /**
 549     * Notify driver that a program string (and GPU code) has been specified
 550     * or modified.  Return GL_TRUE or GL_FALSE to indicate if the program is
 551     * supported by the driver.
 552     */
 553    GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
 554                                     struct gl_program *prog);
 555
 556    /** Query if program can be loaded onto hardware */
 557    GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target,
 558                                 struct gl_program *prog);
 559
 560    /*@}*/
 561
 562    /**
 563     * \name GLSL shader/program functions.
 564     */
 565    /*@{*/
 566    /**
 567     * Called when a shader program is linked.
 568     *
 569     * This gives drivers an opportunity to clone the IR and make their
 570     * own transformations on it for the purposes of code generation.
 571     */
 572    GLboolean (*LinkShader)(struct gl_context *ctx, struct gl_shader_program *shader);
 573    /*@}*/
 574
 575    /**
 576     * \name State-changing functions.
 577     *
 578     * \note drawing functions are above.
 579     *
 580     * These functions are called by their corresponding OpenGL API functions.
 581     * They are \e also called by the gl_PopAttrib() function!!!
 582     * May add more functions like these to the device driver in the future.
 583     */
 584    /*@{*/
 585    /** Specify the alpha test function */
 586    void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref);
 587    /** Set the blend color */
 588    void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]);
 589    /** Set the blend equation */
 590    void (*BlendEquationSeparate)(struct gl_context *ctx, GLenum modeRGB, GLenum modeA);
 591    void (*BlendEquationSeparatei)(struct gl_context *ctx, GLuint buffer,
 592                                   GLenum modeRGB, GLenum modeA);
 593    /** Specify pixel arithmetic */
 594    void (*BlendFuncSeparate)(struct gl_context *ctx,
 595                              GLenum sfactorRGB, GLenum dfactorRGB,
 596                              GLenum sfactorA, GLenum dfactorA);
 597    void (*BlendFuncSeparatei)(struct gl_context *ctx, GLuint buffer,
 598                               GLenum sfactorRGB, GLenum dfactorRGB,
 599                               GLenum sfactorA, GLenum dfactorA);
 600    /** Specify clear values for the color buffers */
 601    void (*ClearColor)(struct gl_context *ctx,
 602                       const union gl_color_union color);
 603    /** Specify the clear value for the depth buffer */
 604    void (*ClearDepth)(struct gl_context *ctx, GLclampd d);
 605    /** Specify the clear value for the stencil buffer */
 606    void (*ClearStencil)(struct gl_context *ctx, GLint s);
 607    /** Specify a plane against which all geometry is clipped */
 608    void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation );
 609    /** Enable and disable writing of frame buffer color components */
 610    void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask,
 611                      GLboolean bmask, GLboolean amask );
 612    void (*ColorMaskIndexed)(struct gl_context *ctx, GLuint buf, GLboolean rmask,
 613                             GLboolean gmask, GLboolean bmask, GLboolean amask);
 614    /** Cause a material color to track the current color */
 615    void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode);
 616    /** Specify whether front- or back-facing facets can be culled */
 617    void (*CullFace)(struct gl_context *ctx, GLenum mode);
 618    /** Define front- and back-facing polygons */
 619    void (*FrontFace)(struct gl_context *ctx, GLenum mode);
 620    /** Specify the value used for depth buffer comparisons */
 621    void (*DepthFunc)(struct gl_context *ctx, GLenum func);
 622    /** Enable or disable writing into the depth buffer */
 623    void (*DepthMask)(struct gl_context *ctx, GLboolean flag);
 624    /** Specify mapping of depth values from NDC to window coordinates */
 625    void (*DepthRange)(struct gl_context *ctx, GLclampd nearval, GLclampd farval);
 626    /** Specify the current buffer for writing */
 627    void (*DrawBuffer)( struct gl_context *ctx, GLenum buffer );
 628    /** Specify the buffers for writing for fragment programs*/
 629    void (*DrawBuffers)( struct gl_context *ctx, GLsizei n, const GLenum *buffers );
 630    /** Enable or disable server-side gl capabilities */
 631    void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state);
 632    /** Specify fog parameters */
 633    void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
 634    /** Specify implementation-specific hints */
 635    void (*Hint)(struct gl_context *ctx, GLenum target, GLenum mode);
 636    /** Set light source parameters.
 637     * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
 638     * been transformed to eye-space.
 639     */
 640    void (*Lightfv)(struct gl_context *ctx, GLenum light,
 641                    GLenum pname, const GLfloat *params );
 642    /** Set the lighting model parameters */
 643    void (*LightModelfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
 644    /** Specify the line stipple pattern */
 645    void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern );
 646    /** Specify the width of rasterized lines */
 647    void (*LineWidth)(struct gl_context *ctx, GLfloat width);
 648    /** Specify a logical pixel operation for color index rendering */
 649    void (*LogicOpcode)(struct gl_context *ctx, GLenum opcode);
 650    void (*PointParameterfv)(struct gl_context *ctx, GLenum pname,
 651                             const GLfloat *params);
 652    /** Specify the diameter of rasterized points */
 653    void (*PointSize)(struct gl_context *ctx, GLfloat size);
 654    /** Select a polygon rasterization mode */
 655    void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode);
 656    /** Set the scale and units used to calculate depth values */
 657    void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units);
 658    /** Set the polygon stippling pattern */
 659    void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask );
 660    /* Specifies the current buffer for reading */
 661    void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer );
 662    /** Set rasterization mode */
 663    void (*RenderMode)(struct gl_context *ctx, GLenum mode );
 664    /** Define the scissor box */
 665    void (*Scissor)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 666    /** Select flat or smooth shading */
 667    void (*ShadeModel)(struct gl_context *ctx, GLenum mode);
 668    /** OpenGL 2.0 two-sided StencilFunc */
 669    void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func,
 670                                GLint ref, GLuint mask);
 671    /** OpenGL 2.0 two-sided StencilMask */
 672    void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask);
 673    /** OpenGL 2.0 two-sided StencilOp */
 674    void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail,
 675                              GLenum zfail, GLenum zpass);
 676    /** Control the generation of texture coordinates */
 677    void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname,
 678                   const GLfloat *params);
 679    /** Set texture environment parameters */
 680    void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname,
 681                   const GLfloat *param);
 682    /** Set texture parameters */
 683    void (*TexParameter)(struct gl_context *ctx, GLenum target,
 684                         struct gl_texture_object *texObj,
 685                         GLenum pname, const GLfloat *params);
 686    /** Set the viewport */
 687    void (*Viewport)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
 688    /*@}*/
 689
 690
 691    /**
 692     * \name Vertex/pixel buffer object functions
 693     */
 694    /*@{*/
 695    void (*BindBuffer)( struct gl_context *ctx, GLenum target,
 696                        struct gl_buffer_object *obj );
 697
 698    struct gl_buffer_object * (*NewBufferObject)( struct gl_context *ctx, GLuint buffer,
 699                                                  GLenum target );
 700
 701    void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj );
 702
 703    GLboolean (*BufferData)( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
 704                             const GLvoid *data, GLenum usage,
 705                             struct gl_buffer_object *obj );
 706
 707    void (*BufferSubData)( struct gl_context *ctx, GLintptrARB offset,
 708                           GLsizeiptrARB size, const GLvoid *data,
 709                           struct gl_buffer_object *obj );
 710
 711    void (*GetBufferSubData)( struct gl_context *ctx,
 712                              GLintptrARB offset, GLsizeiptrARB size,
 713                              GLvoid *data, struct gl_buffer_object *obj );
 714
 715    void (*CopyBufferSubData)( struct gl_context *ctx,
 716                               struct gl_buffer_object *src,
 717                               struct gl_buffer_object *dst,
 718                               GLintptr readOffset, GLintptr writeOffset,
 719                               GLsizeiptr size );
 720
 721    /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
 722     */
 723    void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
 724                              GLsizeiptr length, GLbitfield access,
 725                              struct gl_buffer_object *obj);
 726
 727    void (*FlushMappedBufferRange)(struct gl_context *ctx,
 728                                   GLintptr offset, GLsizeiptr length,
 729                                   struct gl_buffer_object *obj);
 730
 731    GLboolean (*UnmapBuffer)( struct gl_context *ctx,
 732                              struct gl_buffer_object *obj );
 733    /*@}*/
 734
 735    /**
 736     * \name Functions for GL_APPLE_object_purgeable
 737     */
 738    /*@{*/
 739    /* variations on ObjectPurgeable */
 740    GLenum (*BufferObjectPurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
 741    GLenum (*RenderObjectPurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
 742    GLenum (*TextureObjectPurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
 743
 744    /* variations on ObjectUnpurgeable */
 745    GLenum (*BufferObjectUnpurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
 746    GLenum (*RenderObjectUnpurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
 747    GLenum (*TextureObjectUnpurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
 748    /*@}*/
 749
 750    /**
 751     * \name Functions for GL_EXT_framebuffer_{object,blit}.
 752     */
 753    /*@{*/
 754    struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
 755    struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx, GLuint name);
 756    void (*BindFramebuffer)(struct gl_context *ctx, GLenum target,
 757                            struct gl_framebuffer *drawFb,
 758                            struct gl_framebuffer *readFb);
 759    void (*FramebufferRenderbuffer)(struct gl_context *ctx,
 760                                    struct gl_framebuffer *fb,
 761                                    GLenum attachment,
 762                                    struct gl_renderbuffer *rb);
 763    void (*RenderTexture)(struct gl_context *ctx,
 764                          struct gl_framebuffer *fb,
 765                          struct gl_renderbuffer_attachment *att);
 766    void (*FinishRenderTexture)(struct gl_context *ctx,
 767                                struct gl_renderbuffer_attachment *att);
 768    void (*ValidateFramebuffer)(struct gl_context *ctx,
 769                                struct gl_framebuffer *fb);
 770    /*@}*/
 771    void (*BlitFramebuffer)(struct gl_context *ctx,
 772                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
 773                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
 774                            GLbitfield mask, GLenum filter);
 775
 776    /**
 777     * \name Query objects
 778     */
 779    /*@{*/
 780    struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id);
 781    void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q);
 782    void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q);
 783    void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q);
 784    void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q);
 785    void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q);
 786    /*@}*/
 787
 788
 789    /**
 790     * \name Vertex Array objects
 791     */
 792    /*@{*/
 793    struct gl_array_object * (*NewArrayObject)(struct gl_context *ctx, GLuint id);
 794    void (*DeleteArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
 795    void (*BindArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
 796    /*@}*/
 797
 798    /**
 799     * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
 800     */
 801    /*@{*/
 802    struct gl_shader *(*NewShader)(struct gl_context *ctx, GLuint name, GLenum type);
 803    void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader);
 804    struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx, GLuint name);
 805    void (*DeleteShaderProgram)(struct gl_context *ctx,
 806                                struct gl_shader_program *shProg);
 807    void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg);
 808    /*@}*/
 809
 810
 811    /**
 812     * \name Support for multiple T&L engines
 813     */
 814    /*@{*/
 815
 816    /**
 817     * Set by the driver-supplied T&L engine.
 818     *
 819     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
 820     */
 821    GLuint CurrentExecPrimitive;
 822
 823    /**
 824     * Current state of an in-progress compilation.
 825     *
 826     * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
 827     * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
 828     */
 829    GLuint CurrentSavePrimitive;
 830
 831
 832 #define FLUSH_STORED_VERTICES 0x1
 833 #define FLUSH_UPDATE_CURRENT  0x2
 834    /**
 835     * Set by the driver-supplied T&L engine whenever vertices are buffered
 836     * between glBegin()/glEnd() objects or __struct gl_contextRec::Current is not
 837     * updated.
 838     *
 839     * The dd_function_table::FlushVertices call below may be used to resolve
 840     * these conditions.
 841     */
 842    GLuint NeedFlush;
 843    GLuint SaveNeedFlush;
 844
 845
 846    /* Called prior to any of the GLvertexformat functions being
 847     * called.  Paired with Driver.FlushVertices().
 848     */
 849    void (*BeginVertices)( struct gl_context *ctx );
 850
 851    /**
 852     * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
 853     * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
 854     * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
 855     * __struct gl_contextRec::Current and gl_light_attrib::Material
 856     *
 857     * Note that the default T&L engine never clears the
 858     * FLUSH_UPDATE_CURRENT bit, even after performing the update.
 859     */
 860    void (*FlushVertices)( struct gl_context *ctx, GLuint flags );
 861    void (*SaveFlushVertices)( struct gl_context *ctx );
 862
 863    /**
 864     * \brief Hook for drivers to prepare for a glBegin/glEnd block
 865     *
 866     * This hook is called in vbo_exec_Begin() before any action, including
 867     * state updates, occurs.
 868     */
 869    void (*PrepareExecBegin)( struct gl_context *ctx );
 870
 871    /**
 872     * Give the driver the opportunity to hook in its own vtxfmt for
 873     * compiling optimized display lists.  This is called on each valid
 874     * glBegin() during list compilation.
 875     */
 876    GLboolean (*NotifySaveBegin)( struct gl_context *ctx, GLenum mode );
 877
 878    /**
 879     * Notify driver that the special derived value _NeedEyeCoords has
 880     * changed.
 881     */
 882    void (*LightingSpaceChange)( struct gl_context *ctx );
 883
 884    /**
 885     * Called by glNewList().
 886     *
 887     * Let the T&L component know what is going on with display lists
 888     * in time to make changes to dispatch tables, etc.
 889     */
 890    void (*NewList)( struct gl_context *ctx, GLuint list, GLenum mode );
 891    /**
 892     * Called by glEndList().
 893     *
 894     * \sa dd_function_table::NewList.
 895     */
 896    void (*EndList)( struct gl_context *ctx );
 897
 898    /**
 899     * Called by glCallList(s).
 900     *
 901     * Notify the T&L component before and after calling a display list.
 902     */
 903    void (*BeginCallList)( struct gl_context *ctx,
 904                           struct gl_display_list *dlist );
 905    /**
 906     * Called by glEndCallList().
 907     *
 908     * \sa dd_function_table::BeginCallList.
 909     */
 910    void (*EndCallList)( struct gl_context *ctx );
 911
 912    /**@}*/
 913
 914    /**
 915     * \name GL_ARB_sync interfaces
 916     */
 917    /*@{*/
 918    struct gl_sync_object * (*NewSyncObject)(struct gl_context *, GLenum);
 919    void (*FenceSync)(struct gl_context *, struct gl_sync_object *, GLenum, GLbitfield);
 920    void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *);
 921    void (*CheckSync)(struct gl_context *, struct gl_sync_object *);
 922    void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *,
 923                           GLbitfield, GLuint64);
 924    void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *,
 925                           GLbitfield, GLuint64);
 926    /*@}*/
 927
 928    /** GL_NV_conditional_render */
 929    void (*BeginConditionalRender)(struct gl_context *ctx, struct gl_query_object *q,
 930                                   GLenum mode);
 931    void (*EndConditionalRender)(struct gl_context *ctx, struct gl_query_object *q);
 932
 933    /**
 934     * \name GL_OES_draw_texture interface
 935     */
 936    /*@{*/
 937    void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 938                    GLfloat width, GLfloat height);
 939    /*@}*/
 940
 941    /**
 942     * \name GL_OES_EGL_image interface
 943     */
 944    void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target,
 945                                    struct gl_texture_object *texObj,
 946                                    struct gl_texture_image *texImage,
 947                                    GLeglImageOES image_handle);
 948    void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx,
 949                                              struct gl_renderbuffer *rb,
 950                                              void *image_handle);
 951
 952    /**
 953     * \name GL_EXT_transform_feedback interface
 954     */
 955    struct gl_transform_feedback_object *
 956         (*NewTransformFeedback)(struct gl_context *ctx, GLuint name);
 957    void (*DeleteTransformFeedback)(struct gl_context *ctx,
 958                                    struct gl_transform_feedback_object *obj);
 959    void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode,
 960                                   struct gl_transform_feedback_object *obj);
 961    void (*EndTransformFeedback)(struct gl_context *ctx,
 962                                 struct gl_transform_feedback_object *obj);
 963    void (*PauseTransformFeedback)(struct gl_context *ctx,
 964                                   struct gl_transform_feedback_object *obj);
 965    void (*ResumeTransformFeedback)(struct gl_context *ctx,
 966                                    struct gl_transform_feedback_object *obj);
 967    void (*DrawTransformFeedback)(struct gl_context *ctx, GLenum mode,
 968                                  struct gl_transform_feedback_object *obj);
 969
 970    /**
 971     * \name GL_NV_texture_barrier interface
 972     */
 973    void (*TextureBarrier)(struct gl_context *ctx);
 974
 975    /**
 976     * \name GL_ARB_sampler_objects
 977     */
 978    struct gl_sampler_object * (*NewSamplerObject)(struct gl_context *ctx,
 979                                                   GLuint name);
 980    void (*DeleteSamplerObject)(struct gl_context *ctx,
 981                                struct gl_sampler_object *samp);
 982 };
 983
 984
 985 /**
 986  * Transform/Clip/Lighting interface
 987  *
 988  * Drivers present a reduced set of the functions possible in
 989  * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
 990  * remaining functions to map down to these entry points.
 991  *
 992  * These are the initial values to be installed into dispatch by
 993  * mesa.  If the T&L driver wants to modify the dispatch table
 994  * while installed, it must do so itself.  It would be possible for
 995  * the vertexformat to install its own initial values for these
 996  * functions, but this way there is an obvious list of what is
 997  * expected of the driver.
 998  *
 999  * If the driver wants to hook in entry points other than those
1000  * listed, it must restore them to their original values in
1001  * the disable() callback, below.
1002  */
1003 typedef struct {
1004    /**
1005     * \name Vertex
1006     */
1007    /*@{*/
1008    void (GLAPIENTRYP ArrayElement)( GLint );
1009    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1010    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1011    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1012    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1013    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1014    void (GLAPIENTRYP EvalCoord1f)( GLfloat );
1015    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
1016    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
1017    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
1018    void (GLAPIENTRYP EvalPoint1)( GLint );
1019    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
1020    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1021    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1022    void (GLAPIENTRYP Indexf)( GLfloat );
1023    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1024    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
1025    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1026    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1027    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1028    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1029    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1030    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1031    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1032    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1033    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1034    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1035    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1036    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1037    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1038    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1039    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1040    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1041    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1042    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1043    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1044    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1045    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1046    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1047    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1048    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1049    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1050    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1051    void (GLAPIENTRYP CallList)( GLuint );
1052    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
1053    void (GLAPIENTRYP Begin)( GLenum );
1054    void (GLAPIENTRYP End)( void );
1055    void (GLAPIENTRYP PrimitiveRestartNV)( void );
1056    /* GL_NV_vertex_program */
1057    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1058    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1059    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1060    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1061    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1062    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1063    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1064    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1065    /* GL_ARB_vertex_program */
1066    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1067    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1068    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1069    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1070    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1071    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1072    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1073    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1074
1075    /* GL_EXT_gpu_shader4 / GL 3.0 */
1076    void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x);
1077    void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y);
1078    void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z);
1079    void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w);
1080    void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v);
1081    void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v);
1082    void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v);
1083
1084    void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x);
1085    void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y);
1086    void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z);
1087    void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
1088    void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v);
1089    void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v);
1090    void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v);
1091
1092    /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
1093    void (GLAPIENTRYP VertexP2ui)( GLenum type, GLuint value );
1094    void (GLAPIENTRYP VertexP2uiv)( GLenum type, const GLuint *value);
1095
1096    void (GLAPIENTRYP VertexP3ui)( GLenum type, GLuint value );
1097    void (GLAPIENTRYP VertexP3uiv)( GLenum type, const GLuint *value);
1098
1099    void (GLAPIENTRYP VertexP4ui)( GLenum type, GLuint value );
1100    void (GLAPIENTRYP VertexP4uiv)( GLenum type, const GLuint *value);
1101
1102    void (GLAPIENTRYP TexCoordP1ui)( GLenum type, GLuint coords );
1103    void (GLAPIENTRYP TexCoordP1uiv)( GLenum type, const GLuint *coords );
1104
1105    void (GLAPIENTRYP TexCoordP2ui)( GLenum type, GLuint coords );
1106    void (GLAPIENTRYP TexCoordP2uiv)( GLenum type, const GLuint *coords );
1107
1108    void (GLAPIENTRYP TexCoordP3ui)( GLenum type, GLuint coords );
1109    void (GLAPIENTRYP TexCoordP3uiv)( GLenum type, const GLuint *coords );
1110
1111    void (GLAPIENTRYP TexCoordP4ui)( GLenum type, GLuint coords );
1112    void (GLAPIENTRYP TexCoordP4uiv)( GLenum type, const GLuint *coords );
1113
1114    void (GLAPIENTRYP MultiTexCoordP1ui)( GLenum texture, GLenum type, GLuint coords );
1115    void (GLAPIENTRYP MultiTexCoordP1uiv)( GLenum texture, GLenum type, const GLuint *coords );
1116    void (GLAPIENTRYP MultiTexCoordP2ui)( GLenum texture, GLenum type, GLuint coords );
1117    void (GLAPIENTRYP MultiTexCoordP2uiv)( GLenum texture, GLenum type, const GLuint *coords );
1118    void (GLAPIENTRYP MultiTexCoordP3ui)( GLenum texture, GLenum type, GLuint coords );
1119    void (GLAPIENTRYP MultiTexCoordP3uiv)( GLenum texture, GLenum type, const GLuint *coords );
1120    void (GLAPIENTRYP MultiTexCoordP4ui)( GLenum texture, GLenum type, GLuint coords );
1121    void (GLAPIENTRYP MultiTexCoordP4uiv)( GLenum texture, GLenum type, const GLuint *coords );
1122
1123    void (GLAPIENTRYP NormalP3ui)( GLenum type, GLuint coords );
1124    void (GLAPIENTRYP NormalP3uiv)( GLenum type, const GLuint *coords );
1125
1126    void (GLAPIENTRYP ColorP3ui)( GLenum type, GLuint color );
1127    void (GLAPIENTRYP ColorP3uiv)( GLenum type, const GLuint *color );
1128
1129    void (GLAPIENTRYP ColorP4ui)( GLenum type, GLuint color );
1130    void (GLAPIENTRYP ColorP4uiv)( GLenum type, const GLuint *color );
1131
1132    void (GLAPIENTRYP SecondaryColorP3ui)( GLenum type, GLuint color );
1133    void (GLAPIENTRYP SecondaryColorP3uiv)( GLenum type, const GLuint *color );
1134
1135    void (GLAPIENTRYP VertexAttribP1ui)( GLuint index, GLenum type,
1136                                         GLboolean normalized, GLuint value);
1137    void (GLAPIENTRYP VertexAttribP2ui)( GLuint index, GLenum type,
1138                                         GLboolean normalized, GLuint value);
1139    void (GLAPIENTRYP VertexAttribP3ui)( GLuint index, GLenum type,
1140                                         GLboolean normalized, GLuint value);
1141    void (GLAPIENTRYP VertexAttribP4ui)( GLuint index, GLenum type,
1142                                         GLboolean normalized, GLuint value);
1143    void (GLAPIENTRYP VertexAttribP1uiv)( GLuint index, GLenum type,
1144                                         GLboolean normalized,
1145                                          const GLuint *value);
1146    void (GLAPIENTRYP VertexAttribP2uiv)( GLuint index, GLenum type,
1147                                         GLboolean normalized,
1148                                          const GLuint *value);
1149    void (GLAPIENTRYP VertexAttribP3uiv)( GLuint index, GLenum type,
1150                                         GLboolean normalized,
1151                                          const GLuint *value);
1152    void (GLAPIENTRYP VertexAttribP4uiv)( GLuint index, GLenum type,
1153                                          GLboolean normalized,
1154                                          const GLuint *value);
1155
1156    /*@}*/
1157
1158    void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1159
1160    /**
1161     * \name Array
1162     */
1163    /*@{*/
1164    void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1165    void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1166                          const GLvoid *indices );
1167    void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1168                               GLuint end, GLsizei count,
1169                               GLenum type, const GLvoid *indices );
1170    void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
1171                                             GLenum type,
1172                                             const GLvoid **indices,
1173                                             GLsizei primcount);
1174    void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
1175                                               GLenum type,
1176                                               const GLvoid *indices,
1177                                               GLint basevertex );
1178    void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
1179                                                    GLuint end, GLsizei count,
1180                                                    GLenum type,
1181                                                    const GLvoid *indices,
1182                                                    GLint basevertex);
1183    void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
1184                                                    const GLsizei *count,
1185                                                    GLenum type,
1186                                                    const GLvoid **indices,
1187                                                    GLsizei primcount,
1188                                                    const GLint *basevertex);
1189    void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first,
1190                                           GLsizei count, GLsizei primcount);
1191    void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count,
1192                                             GLenum type, const GLvoid *indices,
1193                                             GLsizei primcount);
1194    void (GLAPIENTRYP DrawElementsInstancedBaseVertex)(GLenum mode, GLsizei count,
1195                                             GLenum type, const GLvoid *indices,
1196                                             GLsizei primcount, GLint basevertex);
1197    /*@}*/
1198
1199    /**
1200     * \name Eval
1201     *
1202     * If you don't support eval, fallback to the default vertex format
1203     * on receiving an eval call and use the pipeline mechanism to
1204     * provide partial T&L acceleration.
1205     *
1206     * Mesa will provide a set of helper functions to do eval within
1207     * accelerated vertex formats, eventually...
1208     */
1209    /*@{*/
1210    void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1211    void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1212    /*@}*/
1213
1214 } GLvertexformat;
1215
1216
1217 #endif /* DD_INCLUDED */