dd.h revision 5606bd574e264c4beda8eb1d10b48d17e9b8b497
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
38struct gl_buffer_object;
39struct gl_context;
40struct gl_display_list;
41struct gl_framebuffer;
42struct gl_pixelstore_attrib;
43struct gl_program;
44struct gl_renderbuffer;
45struct gl_renderbuffer_attachment;
46struct gl_shader;
47struct gl_shader_program;
48struct gl_texture_image;
49struct 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 */
79struct 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 glTexImage[123]D() and glCopyTexImage[12]D()
202    * Allocate texture memory and copy the user's image to the buffer.
203    * The gl_texture_image fields, etc. will be fully initialized.
204    * The parameters are the same as glTexImage3D(), plus:
205    * \param dims  1, 2, or 3 indicating glTexImage1/2/3D()
206    * \param packing describes how to unpack the source data.
207    * \param texImage is the destination texture image.
208    */
209   void (*TexImage)(struct gl_context *ctx, GLuint dims,
210                    struct gl_texture_image *texImage,
211                    GLenum format, GLenum type, const GLvoid *pixels,
212                    const struct gl_pixelstore_attrib *packing);
213
214   /**
215    * Called by glTexSubImage[123]D().
216    * Replace a subset of the target texture with new texel data.
217    */
218   void (*TexSubImage)(struct gl_context *ctx, GLuint dims,
219                       struct gl_texture_image *texImage,
220                       GLint xoffset, GLint yoffset, GLint zoffset,
221                       GLsizei width, GLsizei height, GLint depth,
222                       GLenum format, GLenum type,
223                       const GLvoid *pixels,
224                       const struct gl_pixelstore_attrib *packing);
225
226
227   /**
228    * Called by glGetTexImage().
229    */
230   void (*GetTexImage)( struct gl_context *ctx,
231                        GLenum format, GLenum type, GLvoid *pixels,
232                        struct gl_texture_image *texImage );
233
234   /**
235    * Called by glCopyTex[Sub]Image[123]D().
236    */
237   void (*CopyTexSubImage)(struct gl_context *ctx, GLuint dims,
238                           struct gl_texture_image *texImage,
239                           GLint xoffset, GLint yoffset, GLint zoffset,
240                           struct gl_renderbuffer *rb,
241                           GLint x, GLint y,
242                           GLsizei width, GLsizei height);
243
244   /**
245    * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
246    */
247   void (*GenerateMipmap)(struct gl_context *ctx, GLenum target,
248                          struct gl_texture_object *texObj);
249
250   /**
251    * Called by glTexImage[123]D when user specifies a proxy texture
252    * target.
253    *
254    * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
255    */
256   GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
257                                  GLint level, GLint internalFormat,
258                                  GLenum format, GLenum type,
259                                  GLint width, GLint height,
260                                  GLint depth, GLint border);
261   /*@}*/
262
263
264   /**
265    * \name Compressed texture functions
266    */
267   /*@{*/
268
269   /**
270    * Called by glCompressedTexImage[123]D().
271    */
272   void (*CompressedTexImage)(struct gl_context *ctx, GLuint dims,
273                              struct gl_texture_image *texImage,
274                              GLsizei imageSize, const GLvoid *data);
275
276   /**
277    * Called by glCompressedTexSubImage[123]D().
278    */
279   void (*CompressedTexSubImage)(struct gl_context *ctx, GLuint dims,
280                                 struct gl_texture_image *texImage,
281                                 GLint xoffset, GLint yoffset, GLint zoffset,
282                                 GLsizei width, GLint height, GLint depth,
283                                 GLenum format,
284                                 GLsizei imageSize, const GLvoid *data);
285
286   /**
287    * Called by glGetCompressedTexImage.
288    */
289   void (*GetCompressedTexImage)(struct gl_context *ctx,
290                                 struct gl_texture_image *texImage,
291                                 GLvoid *data);
292   /*@}*/
293
294   /**
295    * \name Texture object / image functions
296    */
297   /*@{*/
298
299   /**
300    * Called by glBindTexture().
301    */
302   void (*BindTexture)( struct gl_context *ctx, GLenum target,
303                        struct gl_texture_object *tObj );
304
305   /**
306    * Called to allocate a new texture object.  Drivers will usually
307    * allocate/return a subclass of gl_texture_object.
308    */
309   struct gl_texture_object * (*NewTextureObject)(struct gl_context *ctx,
310                                                  GLuint name, GLenum target);
311   /**
312    * Called to delete/free a texture object.  Drivers should free the
313    * object and any image data it contains.
314    */
315   void (*DeleteTexture)(struct gl_context *ctx,
316                         struct gl_texture_object *texObj);
317
318   /** Called to allocate a new texture image object. */
319   struct gl_texture_image * (*NewTextureImage)(struct gl_context *ctx);
320
321   /** Called to free a texture image object returned by NewTextureImage() */
322   void (*DeleteTextureImage)(struct gl_context *ctx,
323                              struct gl_texture_image *);
324
325   /** Called to allocate memory for a single texture image */
326   GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
327                                        struct gl_texture_image *texImage);
328
329   /** Free the memory for a single texture image */
330   void (*FreeTextureImageBuffer)(struct gl_context *ctx,
331                                  struct gl_texture_image *texImage);
332
333   /** Map a slice of a texture image into user space.
334    * Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
335    * indicates the 1D array index.
336    * \param texImage  the texture image
337    * \param slice  the 3D image slice or array texture slice
338    * \param x, y, w, h  region of interest
339    * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
340    *              GL_MAP_INVALIDATE_RANGE_BIT (if writing)
341    * \param mapOut  returns start of mapping of region of interest
342    * \param rowStrideOut  returns row stride (in bytes)
343    */
344   void (*MapTextureImage)(struct gl_context *ctx,
345			   struct gl_texture_image *texImage,
346			   GLuint slice,
347			   GLuint x, GLuint y, GLuint w, GLuint h,
348			   GLbitfield mode,
349			   GLubyte **mapOut, GLint *rowStrideOut);
350
351   void (*UnmapTextureImage)(struct gl_context *ctx,
352			     struct gl_texture_image *texImage,
353			     GLuint slice);
354
355   /** For GL_ARB_texture_storage.  Allocate memory for whole mipmap stack.
356    * All the gl_texture_images in the texture object will have their
357    * dimensions, format, etc. initialized already.
358    */
359   GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
360                                    struct gl_texture_object *texObj,
361                                    GLsizei levels, GLsizei width,
362                                    GLsizei height, GLsizei depth);
363
364   /**
365    * Map a renderbuffer into user space.
366    * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
367    *              GL_MAP_INVALIDATE_RANGE_BIT (if writing)
368    */
369   void (*MapRenderbuffer)(struct gl_context *ctx,
370			   struct gl_renderbuffer *rb,
371			   GLuint x, GLuint y, GLuint w, GLuint h,
372			   GLbitfield mode,
373			   GLubyte **mapOut, GLint *rowStrideOut);
374
375   void (*UnmapRenderbuffer)(struct gl_context *ctx,
376			     struct gl_renderbuffer *rb);
377
378   /*@}*/
379
380
381   /**
382    * \name Vertex/fragment program functions
383    */
384   /*@{*/
385   /** Bind a vertex/fragment program */
386   void (*BindProgram)(struct gl_context *ctx, GLenum target, struct gl_program *prog);
387   /** Allocate a new program */
388   struct gl_program * (*NewProgram)(struct gl_context *ctx, GLenum target, GLuint id);
389   /** Delete a program */
390   void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog);
391   /**
392    * Notify driver that a program string (and GPU code) has been specified
393    * or modified.  Return GL_TRUE or GL_FALSE to indicate if the program is
394    * supported by the driver.
395    */
396   GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
397                                    struct gl_program *prog);
398
399   /** Query if program can be loaded onto hardware */
400   GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target,
401				struct gl_program *prog);
402
403   /*@}*/
404
405   /**
406    * \name GLSL shader/program functions.
407    */
408   /*@{*/
409   /**
410    * Called when a shader program is linked.
411    *
412    * This gives drivers an opportunity to clone the IR and make their
413    * own transformations on it for the purposes of code generation.
414    */
415   GLboolean (*LinkShader)(struct gl_context *ctx, struct gl_shader_program *shader);
416   /*@}*/
417
418   /**
419    * \name State-changing functions.
420    *
421    * \note drawing functions are above.
422    *
423    * These functions are called by their corresponding OpenGL API functions.
424    * They are \e also called by the gl_PopAttrib() function!!!
425    * May add more functions like these to the device driver in the future.
426    */
427   /*@{*/
428   /** Specify the alpha test function */
429   void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref);
430   /** Set the blend color */
431   void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]);
432   /** Set the blend equation */
433   void (*BlendEquationSeparate)(struct gl_context *ctx, GLenum modeRGB, GLenum modeA);
434   void (*BlendEquationSeparatei)(struct gl_context *ctx, GLuint buffer,
435                                  GLenum modeRGB, GLenum modeA);
436   /** Specify pixel arithmetic */
437   void (*BlendFuncSeparate)(struct gl_context *ctx,
438                             GLenum sfactorRGB, GLenum dfactorRGB,
439                             GLenum sfactorA, GLenum dfactorA);
440   void (*BlendFuncSeparatei)(struct gl_context *ctx, GLuint buffer,
441                              GLenum sfactorRGB, GLenum dfactorRGB,
442                              GLenum sfactorA, GLenum dfactorA);
443   /** Specify a plane against which all geometry is clipped */
444   void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation );
445   /** Enable and disable writing of frame buffer color components */
446   void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask,
447                     GLboolean bmask, GLboolean amask );
448   void (*ColorMaskIndexed)(struct gl_context *ctx, GLuint buf, GLboolean rmask,
449                            GLboolean gmask, GLboolean bmask, GLboolean amask);
450   /** Cause a material color to track the current color */
451   void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode);
452   /** Specify whether front- or back-facing facets can be culled */
453   void (*CullFace)(struct gl_context *ctx, GLenum mode);
454   /** Define front- and back-facing polygons */
455   void (*FrontFace)(struct gl_context *ctx, GLenum mode);
456   /** Specify the value used for depth buffer comparisons */
457   void (*DepthFunc)(struct gl_context *ctx, GLenum func);
458   /** Enable or disable writing into the depth buffer */
459   void (*DepthMask)(struct gl_context *ctx, GLboolean flag);
460   /** Specify mapping of depth values from NDC to window coordinates */
461   void (*DepthRange)(struct gl_context *ctx, GLclampd nearval, GLclampd farval);
462   /** Specify the current buffer for writing */
463   void (*DrawBuffer)( struct gl_context *ctx, GLenum buffer );
464   /** Specify the buffers for writing for fragment programs*/
465   void (*DrawBuffers)( struct gl_context *ctx, GLsizei n, const GLenum *buffers );
466   /** Enable or disable server-side gl capabilities */
467   void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state);
468   /** Specify fog parameters */
469   void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
470   /** Specify implementation-specific hints */
471   void (*Hint)(struct gl_context *ctx, GLenum target, GLenum mode);
472   /** Set light source parameters.
473    * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
474    * been transformed to eye-space.
475    */
476   void (*Lightfv)(struct gl_context *ctx, GLenum light,
477		   GLenum pname, const GLfloat *params );
478   /** Set the lighting model parameters */
479   void (*LightModelfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
480   /** Specify the line stipple pattern */
481   void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern );
482   /** Specify the width of rasterized lines */
483   void (*LineWidth)(struct gl_context *ctx, GLfloat width);
484   /** Specify a logical pixel operation for color index rendering */
485   void (*LogicOpcode)(struct gl_context *ctx, GLenum opcode);
486   void (*PointParameterfv)(struct gl_context *ctx, GLenum pname,
487                            const GLfloat *params);
488   /** Specify the diameter of rasterized points */
489   void (*PointSize)(struct gl_context *ctx, GLfloat size);
490   /** Select a polygon rasterization mode */
491   void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode);
492   /** Set the scale and units used to calculate depth values */
493   void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units);
494   /** Set the polygon stippling pattern */
495   void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask );
496   /* Specifies the current buffer for reading */
497   void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer );
498   /** Set rasterization mode */
499   void (*RenderMode)(struct gl_context *ctx, GLenum mode );
500   /** Define the scissor box */
501   void (*Scissor)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
502   /** Select flat or smooth shading */
503   void (*ShadeModel)(struct gl_context *ctx, GLenum mode);
504   /** OpenGL 2.0 two-sided StencilFunc */
505   void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func,
506                               GLint ref, GLuint mask);
507   /** OpenGL 2.0 two-sided StencilMask */
508   void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask);
509   /** OpenGL 2.0 two-sided StencilOp */
510   void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail,
511                             GLenum zfail, GLenum zpass);
512   /** Control the generation of texture coordinates */
513   void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname,
514		  const GLfloat *params);
515   /** Set texture environment parameters */
516   void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname,
517                  const GLfloat *param);
518   /** Set texture parameters */
519   void (*TexParameter)(struct gl_context *ctx, GLenum target,
520                        struct gl_texture_object *texObj,
521                        GLenum pname, const GLfloat *params);
522   /** Set the viewport */
523   void (*Viewport)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
524   /*@}*/
525
526
527   /**
528    * \name Vertex/pixel buffer object functions
529    */
530   /*@{*/
531   void (*BindBuffer)( struct gl_context *ctx, GLenum target,
532		       struct gl_buffer_object *obj );
533
534   struct gl_buffer_object * (*NewBufferObject)( struct gl_context *ctx, GLuint buffer,
535						 GLenum target );
536
537   void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj );
538
539   GLboolean (*BufferData)( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
540                            const GLvoid *data, GLenum usage,
541                            struct gl_buffer_object *obj );
542
543   void (*BufferSubData)( struct gl_context *ctx, GLintptrARB offset,
544			  GLsizeiptrARB size, const GLvoid *data,
545			  struct gl_buffer_object *obj );
546
547   void (*GetBufferSubData)( struct gl_context *ctx,
548			     GLintptrARB offset, GLsizeiptrARB size,
549			     GLvoid *data, struct gl_buffer_object *obj );
550
551   void (*CopyBufferSubData)( struct gl_context *ctx,
552                              struct gl_buffer_object *src,
553                              struct gl_buffer_object *dst,
554                              GLintptr readOffset, GLintptr writeOffset,
555                              GLsizeiptr size );
556
557   /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
558    */
559   void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
560                             GLsizeiptr length, GLbitfield access,
561                             struct gl_buffer_object *obj);
562
563   void (*FlushMappedBufferRange)(struct gl_context *ctx,
564                                  GLintptr offset, GLsizeiptr length,
565                                  struct gl_buffer_object *obj);
566
567   GLboolean (*UnmapBuffer)( struct gl_context *ctx,
568			     struct gl_buffer_object *obj );
569   /*@}*/
570
571   /**
572    * \name Functions for GL_APPLE_object_purgeable
573    */
574   /*@{*/
575   /* variations on ObjectPurgeable */
576   GLenum (*BufferObjectPurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
577   GLenum (*RenderObjectPurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
578   GLenum (*TextureObjectPurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
579
580   /* variations on ObjectUnpurgeable */
581   GLenum (*BufferObjectUnpurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
582   GLenum (*RenderObjectUnpurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
583   GLenum (*TextureObjectUnpurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
584   /*@}*/
585
586   /**
587    * \name Functions for GL_EXT_framebuffer_{object,blit}.
588    */
589   /*@{*/
590   struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
591   struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx, GLuint name);
592   void (*BindFramebuffer)(struct gl_context *ctx, GLenum target,
593                           struct gl_framebuffer *drawFb,
594                           struct gl_framebuffer *readFb);
595   void (*FramebufferRenderbuffer)(struct gl_context *ctx,
596                                   struct gl_framebuffer *fb,
597                                   GLenum attachment,
598                                   struct gl_renderbuffer *rb);
599   void (*RenderTexture)(struct gl_context *ctx,
600                         struct gl_framebuffer *fb,
601                         struct gl_renderbuffer_attachment *att);
602   void (*FinishRenderTexture)(struct gl_context *ctx,
603                               struct gl_renderbuffer_attachment *att);
604   void (*ValidateFramebuffer)(struct gl_context *ctx,
605                               struct gl_framebuffer *fb);
606   /*@}*/
607   void (*BlitFramebuffer)(struct gl_context *ctx,
608                           GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
609                           GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
610                           GLbitfield mask, GLenum filter);
611
612   /**
613    * \name Query objects
614    */
615   /*@{*/
616   struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id);
617   void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q);
618   void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q);
619   void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q);
620   void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q);
621   void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q);
622   /*@}*/
623
624
625   /**
626    * \name Vertex Array objects
627    */
628   /*@{*/
629   struct gl_array_object * (*NewArrayObject)(struct gl_context *ctx, GLuint id);
630   void (*DeleteArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
631   void (*BindArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
632   /*@}*/
633
634   /**
635    * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
636    */
637   /*@{*/
638   struct gl_shader *(*NewShader)(struct gl_context *ctx, GLuint name, GLenum type);
639   void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader);
640   struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx, GLuint name);
641   void (*DeleteShaderProgram)(struct gl_context *ctx,
642                               struct gl_shader_program *shProg);
643   void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg);
644   /*@}*/
645
646
647   /**
648    * \name Support for multiple T&L engines
649    */
650   /*@{*/
651
652   /**
653    * Set by the driver-supplied T&L engine.
654    *
655    * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
656    */
657   GLuint CurrentExecPrimitive;
658
659   /**
660    * Current state of an in-progress compilation.
661    *
662    * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
663    * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
664    */
665   GLuint CurrentSavePrimitive;
666
667
668#define FLUSH_STORED_VERTICES 0x1
669#define FLUSH_UPDATE_CURRENT  0x2
670   /**
671    * Set by the driver-supplied T&L engine whenever vertices are buffered
672    * between glBegin()/glEnd() objects or __struct gl_contextRec::Current is not
673    * updated.
674    *
675    * The dd_function_table::FlushVertices call below may be used to resolve
676    * these conditions.
677    */
678   GLuint NeedFlush;
679   GLuint SaveNeedFlush;
680
681
682   /* Called prior to any of the GLvertexformat functions being
683    * called.  Paired with Driver.FlushVertices().
684    */
685   void (*BeginVertices)( struct gl_context *ctx );
686
687   /**
688    * If inside glBegin()/glEnd(), it should ASSERT(0).  Otherwise, if
689    * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
690    * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
691    * __struct gl_contextRec::Current and gl_light_attrib::Material
692    *
693    * Note that the default T&L engine never clears the
694    * FLUSH_UPDATE_CURRENT bit, even after performing the update.
695    */
696   void (*FlushVertices)( struct gl_context *ctx, GLuint flags );
697   void (*SaveFlushVertices)( struct gl_context *ctx );
698
699   /**
700    * \brief Hook for drivers to prepare for a glBegin/glEnd block
701    *
702    * This hook is called in vbo_exec_Begin() before any action, including
703    * state updates, occurs.
704    */
705   void (*PrepareExecBegin)( struct gl_context *ctx );
706
707   /**
708    * Give the driver the opportunity to hook in its own vtxfmt for
709    * compiling optimized display lists.  This is called on each valid
710    * glBegin() during list compilation.
711    */
712   GLboolean (*NotifySaveBegin)( struct gl_context *ctx, GLenum mode );
713
714   /**
715    * Notify driver that the special derived value _NeedEyeCoords has
716    * changed.
717    */
718   void (*LightingSpaceChange)( struct gl_context *ctx );
719
720   /**
721    * Called by glNewList().
722    *
723    * Let the T&L component know what is going on with display lists
724    * in time to make changes to dispatch tables, etc.
725    */
726   void (*NewList)( struct gl_context *ctx, GLuint list, GLenum mode );
727   /**
728    * Called by glEndList().
729    *
730    * \sa dd_function_table::NewList.
731    */
732   void (*EndList)( struct gl_context *ctx );
733
734   /**
735    * Called by glCallList(s).
736    *
737    * Notify the T&L component before and after calling a display list.
738    */
739   void (*BeginCallList)( struct gl_context *ctx,
740			  struct gl_display_list *dlist );
741   /**
742    * Called by glEndCallList().
743    *
744    * \sa dd_function_table::BeginCallList.
745    */
746   void (*EndCallList)( struct gl_context *ctx );
747
748   /**@}*/
749
750   /**
751    * \name GL_ARB_sync interfaces
752    */
753   /*@{*/
754   struct gl_sync_object * (*NewSyncObject)(struct gl_context *, GLenum);
755   void (*FenceSync)(struct gl_context *, struct gl_sync_object *, GLenum, GLbitfield);
756   void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *);
757   void (*CheckSync)(struct gl_context *, struct gl_sync_object *);
758   void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *,
759			  GLbitfield, GLuint64);
760   void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *,
761			  GLbitfield, GLuint64);
762   /*@}*/
763
764   /** GL_NV_conditional_render */
765   void (*BeginConditionalRender)(struct gl_context *ctx, struct gl_query_object *q,
766                                  GLenum mode);
767   void (*EndConditionalRender)(struct gl_context *ctx, struct gl_query_object *q);
768
769   /**
770    * \name GL_OES_draw_texture interface
771    */
772   /*@{*/
773   void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
774                   GLfloat width, GLfloat height);
775   /*@}*/
776
777   /**
778    * \name GL_OES_EGL_image interface
779    */
780   void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target,
781				   struct gl_texture_object *texObj,
782				   struct gl_texture_image *texImage,
783				   GLeglImageOES image_handle);
784   void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx,
785					     struct gl_renderbuffer *rb,
786					     void *image_handle);
787
788   /**
789    * \name GL_EXT_transform_feedback interface
790    */
791   struct gl_transform_feedback_object *
792        (*NewTransformFeedback)(struct gl_context *ctx, GLuint name);
793   void (*DeleteTransformFeedback)(struct gl_context *ctx,
794                                   struct gl_transform_feedback_object *obj);
795   void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode,
796                                  struct gl_transform_feedback_object *obj);
797   void (*EndTransformFeedback)(struct gl_context *ctx,
798                                struct gl_transform_feedback_object *obj);
799   void (*PauseTransformFeedback)(struct gl_context *ctx,
800                                  struct gl_transform_feedback_object *obj);
801   void (*ResumeTransformFeedback)(struct gl_context *ctx,
802                                   struct gl_transform_feedback_object *obj);
803
804   /**
805    * \name GL_NV_texture_barrier interface
806    */
807   void (*TextureBarrier)(struct gl_context *ctx);
808
809   /**
810    * \name GL_ARB_sampler_objects
811    */
812   struct gl_sampler_object * (*NewSamplerObject)(struct gl_context *ctx,
813                                                  GLuint name);
814   void (*DeleteSamplerObject)(struct gl_context *ctx,
815                               struct gl_sampler_object *samp);
816
817   /**
818    * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
819    * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
820    */
821   uint64_t (*GetTimestamp)(struct gl_context *ctx);
822};
823
824
825/**
826 * Transform/Clip/Lighting interface
827 *
828 * Drivers present a reduced set of the functions possible in
829 * glBegin()/glEnd() objects.  Core mesa provides translation stubs for the
830 * remaining functions to map down to these entry points.
831 *
832 * These are the initial values to be installed into dispatch by
833 * mesa.  If the T&L driver wants to modify the dispatch table
834 * while installed, it must do so itself.  It would be possible for
835 * the vertexformat to install its own initial values for these
836 * functions, but this way there is an obvious list of what is
837 * expected of the driver.
838 *
839 * If the driver wants to hook in entry points other than those
840 * listed, it must restore them to their original values in
841 * the disable() callback, below.
842 */
843typedef struct {
844   /**
845    * \name Vertex
846    */
847   /*@{*/
848   void (GLAPIENTRYP ArrayElement)( GLint );
849   void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
850   void (GLAPIENTRYP Color3fv)( const GLfloat * );
851   void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
852   void (GLAPIENTRYP Color4fv)( const GLfloat * );
853   void (GLAPIENTRYP EdgeFlag)( GLboolean );
854   void (GLAPIENTRYP EvalCoord1f)( GLfloat );
855   void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
856   void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
857   void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
858   void (GLAPIENTRYP EvalPoint1)( GLint );
859   void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
860   void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
861   void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
862   void (GLAPIENTRYP Indexf)( GLfloat );
863   void (GLAPIENTRYP Indexfv)( const GLfloat * );
864   void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
865   void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
866   void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
867   void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
868   void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
869   void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
870   void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
871   void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
872   void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
873   void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
874   void (GLAPIENTRYP Normal3fv)( const GLfloat * );
875   void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
876   void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
877   void (GLAPIENTRYP TexCoord1f)( GLfloat );
878   void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
879   void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
880   void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
881   void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
882   void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
883   void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
884   void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
885   void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
886   void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
887   void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
888   void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
889   void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
890   void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
891   void (GLAPIENTRYP CallList)( GLuint );
892   void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
893   void (GLAPIENTRYP Begin)( GLenum );
894   void (GLAPIENTRYP End)( void );
895   void (GLAPIENTRYP PrimitiveRestartNV)( void );
896   /* GL_NV_vertex_program */
897   void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
898   void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
899   void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
900   void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
901   void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
902   void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
903   void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
904   void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
905   /* GL_ARB_vertex_program */
906   void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
907   void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
908   void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
909   void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
910   void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
911   void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
912   void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
913   void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
914
915   /* GL_EXT_gpu_shader4 / GL 3.0 */
916   void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x);
917   void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y);
918   void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z);
919   void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w);
920   void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v);
921   void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v);
922   void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v);
923
924   void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x);
925   void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y);
926   void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z);
927   void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
928   void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v);
929   void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v);
930   void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v);
931
932   /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
933   void (GLAPIENTRYP VertexP2ui)( GLenum type, GLuint value );
934   void (GLAPIENTRYP VertexP2uiv)( GLenum type, const GLuint *value);
935
936   void (GLAPIENTRYP VertexP3ui)( GLenum type, GLuint value );
937   void (GLAPIENTRYP VertexP3uiv)( GLenum type, const GLuint *value);
938
939   void (GLAPIENTRYP VertexP4ui)( GLenum type, GLuint value );
940   void (GLAPIENTRYP VertexP4uiv)( GLenum type, const GLuint *value);
941
942   void (GLAPIENTRYP TexCoordP1ui)( GLenum type, GLuint coords );
943   void (GLAPIENTRYP TexCoordP1uiv)( GLenum type, const GLuint *coords );
944
945   void (GLAPIENTRYP TexCoordP2ui)( GLenum type, GLuint coords );
946   void (GLAPIENTRYP TexCoordP2uiv)( GLenum type, const GLuint *coords );
947
948   void (GLAPIENTRYP TexCoordP3ui)( GLenum type, GLuint coords );
949   void (GLAPIENTRYP TexCoordP3uiv)( GLenum type, const GLuint *coords );
950
951   void (GLAPIENTRYP TexCoordP4ui)( GLenum type, GLuint coords );
952   void (GLAPIENTRYP TexCoordP4uiv)( GLenum type, const GLuint *coords );
953
954   void (GLAPIENTRYP MultiTexCoordP1ui)( GLenum texture, GLenum type, GLuint coords );
955   void (GLAPIENTRYP MultiTexCoordP1uiv)( GLenum texture, GLenum type, const GLuint *coords );
956   void (GLAPIENTRYP MultiTexCoordP2ui)( GLenum texture, GLenum type, GLuint coords );
957   void (GLAPIENTRYP MultiTexCoordP2uiv)( GLenum texture, GLenum type, const GLuint *coords );
958   void (GLAPIENTRYP MultiTexCoordP3ui)( GLenum texture, GLenum type, GLuint coords );
959   void (GLAPIENTRYP MultiTexCoordP3uiv)( GLenum texture, GLenum type, const GLuint *coords );
960   void (GLAPIENTRYP MultiTexCoordP4ui)( GLenum texture, GLenum type, GLuint coords );
961   void (GLAPIENTRYP MultiTexCoordP4uiv)( GLenum texture, GLenum type, const GLuint *coords );
962
963   void (GLAPIENTRYP NormalP3ui)( GLenum type, GLuint coords );
964   void (GLAPIENTRYP NormalP3uiv)( GLenum type, const GLuint *coords );
965
966   void (GLAPIENTRYP ColorP3ui)( GLenum type, GLuint color );
967   void (GLAPIENTRYP ColorP3uiv)( GLenum type, const GLuint *color );
968
969   void (GLAPIENTRYP ColorP4ui)( GLenum type, GLuint color );
970   void (GLAPIENTRYP ColorP4uiv)( GLenum type, const GLuint *color );
971
972   void (GLAPIENTRYP SecondaryColorP3ui)( GLenum type, GLuint color );
973   void (GLAPIENTRYP SecondaryColorP3uiv)( GLenum type, const GLuint *color );
974
975   void (GLAPIENTRYP VertexAttribP1ui)( GLuint index, GLenum type,
976					GLboolean normalized, GLuint value);
977   void (GLAPIENTRYP VertexAttribP2ui)( GLuint index, GLenum type,
978					GLboolean normalized, GLuint value);
979   void (GLAPIENTRYP VertexAttribP3ui)( GLuint index, GLenum type,
980					GLboolean normalized, GLuint value);
981   void (GLAPIENTRYP VertexAttribP4ui)( GLuint index, GLenum type,
982					GLboolean normalized, GLuint value);
983   void (GLAPIENTRYP VertexAttribP1uiv)( GLuint index, GLenum type,
984					GLboolean normalized,
985					 const GLuint *value);
986   void (GLAPIENTRYP VertexAttribP2uiv)( GLuint index, GLenum type,
987					GLboolean normalized,
988					 const GLuint *value);
989   void (GLAPIENTRYP VertexAttribP3uiv)( GLuint index, GLenum type,
990					GLboolean normalized,
991					 const GLuint *value);
992   void (GLAPIENTRYP VertexAttribP4uiv)( GLuint index, GLenum type,
993					 GLboolean normalized,
994					 const GLuint *value);
995
996   /*@}*/
997
998   void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
999
1000   /**
1001    * \name Array
1002    */
1003   /*@{*/
1004   void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1005   void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1006			 const GLvoid *indices );
1007   void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1008			      GLuint end, GLsizei count,
1009			      GLenum type, const GLvoid *indices );
1010   void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
1011					    GLenum type,
1012					    const GLvoid **indices,
1013					    GLsizei primcount);
1014   void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
1015					      GLenum type,
1016					      const GLvoid *indices,
1017					      GLint basevertex );
1018   void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
1019						   GLuint end, GLsizei count,
1020						   GLenum type,
1021						   const GLvoid *indices,
1022						   GLint basevertex);
1023   void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
1024						   const GLsizei *count,
1025						   GLenum type,
1026						   const GLvoid * const *indices,
1027						   GLsizei primcount,
1028						   const GLint *basevertex);
1029   void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first,
1030                                          GLsizei count, GLsizei primcount);
1031   void (GLAPIENTRYP DrawArraysInstancedBaseInstance)(GLenum mode, GLint first,
1032                                                      GLsizei count, GLsizei primcount,
1033                                                      GLuint baseinstance);
1034   void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count,
1035                                            GLenum type, const GLvoid *indices,
1036                                            GLsizei primcount);
1037   void (GLAPIENTRYP DrawElementsInstancedBaseInstance)(GLenum mode, GLsizei count,
1038                                                        GLenum type, const GLvoid *indices,
1039                                                        GLsizei primcount, GLuint baseinstance);
1040   void (GLAPIENTRYP DrawElementsInstancedBaseVertex)(GLenum mode, GLsizei count,
1041                                            GLenum type, const GLvoid *indices,
1042                                            GLsizei primcount, GLint basevertex);
1043   void (GLAPIENTRYP DrawElementsInstancedBaseVertexBaseInstance)(GLenum mode, GLsizei count,
1044                                                                  GLenum type, const GLvoid *indices,
1045                                                                  GLsizei primcount, GLint basevertex,
1046                                                                  GLuint baseinstance);
1047   void (GLAPIENTRYP DrawTransformFeedback)(GLenum mode, GLuint name);
1048   void (GLAPIENTRYP DrawTransformFeedbackStream)(GLenum mode, GLuint name,
1049                                                  GLuint stream);
1050   void (GLAPIENTRYP DrawTransformFeedbackInstanced)(GLenum mode, GLuint name,
1051                                                     GLsizei primcount);
1052   void (GLAPIENTRYP DrawTransformFeedbackStreamInstanced)(GLenum mode,
1053                                                           GLuint name,
1054                                                           GLuint stream,
1055                                                           GLsizei primcount);
1056   /*@}*/
1057
1058   /**
1059    * \name Eval
1060    *
1061    * If you don't support eval, fallback to the default vertex format
1062    * on receiving an eval call and use the pipeline mechanism to
1063    * provide partial T&L acceleration.
1064    *
1065    * Mesa will provide a set of helper functions to do eval within
1066    * accelerated vertex formats, eventually...
1067    */
1068   /*@{*/
1069   void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1070   void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1071   /*@}*/
1072
1073} GLvertexformat;
1074
1075
1076#endif /* DD_INCLUDED */
1077