mesa: consolidate internal glCompressedTexSubImage1/2/3D code
[mesa.git] / 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 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 GLint internalFormat,
212 GLint width, GLint height, GLint depth, GLint border,
213 GLenum format, GLenum type, const GLvoid *pixels,
214 const struct gl_pixelstore_attrib *packing);
215
216 /**
217 * Called by glTexSubImage[123]D().
218 * Replace a subset of the target texture with new texel data.
219 */
220 void (*TexSubImage)(struct gl_context *ctx, GLuint dims,
221 struct gl_texture_image *texImage,
222 GLint xoffset, GLint yoffset, GLint zoffset,
223 GLsizei width, GLsizei height, GLint depth,
224 GLenum format, GLenum type,
225 const GLvoid *pixels,
226 const struct gl_pixelstore_attrib *packing);
227
228
229 /**
230 * Called by glGetTexImage().
231 */
232 void (*GetTexImage)( struct gl_context *ctx,
233 GLenum format, GLenum type, GLvoid *pixels,
234 struct gl_texture_image *texImage );
235
236 /**
237 * Called by glCopyTex[Sub]Image[123]D().
238 */
239 void (*CopyTexSubImage)(struct gl_context *ctx, GLuint dims,
240 struct gl_texture_image *texImage,
241 GLint xoffset, GLint yoffset, GLint zoffset,
242 struct gl_renderbuffer *rb,
243 GLint x, GLint y,
244 GLsizei width, GLsizei height);
245
246 /**
247 * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
248 */
249 void (*GenerateMipmap)(struct gl_context *ctx, GLenum target,
250 struct gl_texture_object *texObj);
251
252 /**
253 * Called by glTexImage[123]D when user specifies a proxy texture
254 * target.
255 *
256 * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
257 */
258 GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
259 GLint level, GLint internalFormat,
260 GLenum format, GLenum type,
261 GLint width, GLint height,
262 GLint depth, GLint border);
263 /*@}*/
264
265
266 /**
267 * \name Compressed texture functions
268 */
269 /*@{*/
270
271 /**
272 * Called by glCompressedTexImage[123]D().
273 */
274 void (*CompressedTexImage)(struct gl_context *ctx, GLuint dims,
275 struct gl_texture_image *texImage,
276 GLint internalFormat,
277 GLsizei width, GLsizei height, GLsizei depth,
278 GLint border,
279 GLsizei imageSize, const GLvoid *data);
280
281 /**
282 * Called by glCompressedTexSubImage[123]D().
283 */
284 void (*CompressedTexSubImage)(struct gl_context *ctx, GLuint dims,
285 struct gl_texture_image *texImage,
286 GLint xoffset, GLint yoffset, GLint zoffset,
287 GLsizei width, GLint height, GLint depth,
288 GLenum format,
289 GLsizei imageSize, const GLvoid *data);
290
291 /**
292 * Called by glGetCompressedTexImage.
293 */
294 void (*GetCompressedTexImage)(struct gl_context *ctx,
295 struct gl_texture_image *texImage,
296 GLvoid *data);
297 /*@}*/
298
299 /**
300 * \name Texture object / image functions
301 */
302 /*@{*/
303
304 /**
305 * Called by glBindTexture().
306 */
307 void (*BindTexture)( struct gl_context *ctx, GLenum target,
308 struct gl_texture_object *tObj );
309
310 /**
311 * Called to allocate a new texture object. Drivers will usually
312 * allocate/return a subclass of gl_texture_object.
313 */
314 struct gl_texture_object * (*NewTextureObject)(struct gl_context *ctx,
315 GLuint name, GLenum target);
316 /**
317 * Called to delete/free a texture object. Drivers should free the
318 * object and any image data it contains.
319 */
320 void (*DeleteTexture)(struct gl_context *ctx,
321 struct gl_texture_object *texObj);
322
323 /** Called to allocate a new texture image object. */
324 struct gl_texture_image * (*NewTextureImage)(struct gl_context *ctx);
325
326 /** Called to free a texture image object returned by NewTextureImage() */
327 void (*DeleteTextureImage)(struct gl_context *ctx,
328 struct gl_texture_image *);
329
330 /** Called to allocate memory for a single texture image */
331 GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
332 struct gl_texture_image *texImage,
333 gl_format format, GLsizei width,
334 GLsizei height, GLsizei depth);
335
336 /** Free the memory for a single texture image */
337 void (*FreeTextureImageBuffer)(struct gl_context *ctx,
338 struct gl_texture_image *texImage);
339
340 /** Map a slice of a texture image into user space.
341 * Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
342 * indicates the 1D array index.
343 * \param texImage the texture image
344 * \param slice the 3D image slice or array texture slice
345 * \param x, y, w, h region of interest
346 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
347 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
348 * \param mapOut returns start of mapping of region of interest
349 * \param rowStrideOut returns row stride (in bytes)
350 */
351 void (*MapTextureImage)(struct gl_context *ctx,
352 struct gl_texture_image *texImage,
353 GLuint slice,
354 GLuint x, GLuint y, GLuint w, GLuint h,
355 GLbitfield mode,
356 GLubyte **mapOut, GLint *rowStrideOut);
357
358 void (*UnmapTextureImage)(struct gl_context *ctx,
359 struct gl_texture_image *texImage,
360 GLuint slice);
361
362 /** For GL_ARB_texture_storage. Allocate memory for whole mipmap stack.
363 * All the gl_texture_images in the texture object will have their
364 * dimensions, format, etc. initialized already.
365 */
366 GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
367 struct gl_texture_object *texObj,
368 GLsizei levels, GLsizei width,
369 GLsizei height, GLsizei depth);
370
371 /**
372 * Map a renderbuffer into user space.
373 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
374 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
375 */
376 void (*MapRenderbuffer)(struct gl_context *ctx,
377 struct gl_renderbuffer *rb,
378 GLuint x, GLuint y, GLuint w, GLuint h,
379 GLbitfield mode,
380 GLubyte **mapOut, GLint *rowStrideOut);
381
382 void (*UnmapRenderbuffer)(struct gl_context *ctx,
383 struct gl_renderbuffer *rb);
384
385 /*@}*/
386
387
388 /**
389 * \name Vertex/fragment program functions
390 */
391 /*@{*/
392 /** Bind a vertex/fragment program */
393 void (*BindProgram)(struct gl_context *ctx, GLenum target, struct gl_program *prog);
394 /** Allocate a new program */
395 struct gl_program * (*NewProgram)(struct gl_context *ctx, GLenum target, GLuint id);
396 /** Delete a program */
397 void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog);
398 /**
399 * Notify driver that a program string (and GPU code) has been specified
400 * or modified. Return GL_TRUE or GL_FALSE to indicate if the program is
401 * supported by the driver.
402 */
403 GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
404 struct gl_program *prog);
405
406 /** Query if program can be loaded onto hardware */
407 GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target,
408 struct gl_program *prog);
409
410 /*@}*/
411
412 /**
413 * \name GLSL shader/program functions.
414 */
415 /*@{*/
416 /**
417 * Called when a shader program is linked.
418 *
419 * This gives drivers an opportunity to clone the IR and make their
420 * own transformations on it for the purposes of code generation.
421 */
422 GLboolean (*LinkShader)(struct gl_context *ctx, struct gl_shader_program *shader);
423 /*@}*/
424
425 /**
426 * \name State-changing functions.
427 *
428 * \note drawing functions are above.
429 *
430 * These functions are called by their corresponding OpenGL API functions.
431 * They are \e also called by the gl_PopAttrib() function!!!
432 * May add more functions like these to the device driver in the future.
433 */
434 /*@{*/
435 /** Specify the alpha test function */
436 void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref);
437 /** Set the blend color */
438 void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]);
439 /** Set the blend equation */
440 void (*BlendEquationSeparate)(struct gl_context *ctx, GLenum modeRGB, GLenum modeA);
441 void (*BlendEquationSeparatei)(struct gl_context *ctx, GLuint buffer,
442 GLenum modeRGB, GLenum modeA);
443 /** Specify pixel arithmetic */
444 void (*BlendFuncSeparate)(struct gl_context *ctx,
445 GLenum sfactorRGB, GLenum dfactorRGB,
446 GLenum sfactorA, GLenum dfactorA);
447 void (*BlendFuncSeparatei)(struct gl_context *ctx, GLuint buffer,
448 GLenum sfactorRGB, GLenum dfactorRGB,
449 GLenum sfactorA, GLenum dfactorA);
450 /** Specify a plane against which all geometry is clipped */
451 void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation );
452 /** Enable and disable writing of frame buffer color components */
453 void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask,
454 GLboolean bmask, GLboolean amask );
455 void (*ColorMaskIndexed)(struct gl_context *ctx, GLuint buf, GLboolean rmask,
456 GLboolean gmask, GLboolean bmask, GLboolean amask);
457 /** Cause a material color to track the current color */
458 void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode);
459 /** Specify whether front- or back-facing facets can be culled */
460 void (*CullFace)(struct gl_context *ctx, GLenum mode);
461 /** Define front- and back-facing polygons */
462 void (*FrontFace)(struct gl_context *ctx, GLenum mode);
463 /** Specify the value used for depth buffer comparisons */
464 void (*DepthFunc)(struct gl_context *ctx, GLenum func);
465 /** Enable or disable writing into the depth buffer */
466 void (*DepthMask)(struct gl_context *ctx, GLboolean flag);
467 /** Specify mapping of depth values from NDC to window coordinates */
468 void (*DepthRange)(struct gl_context *ctx, GLclampd nearval, GLclampd farval);
469 /** Specify the current buffer for writing */
470 void (*DrawBuffer)( struct gl_context *ctx, GLenum buffer );
471 /** Specify the buffers for writing for fragment programs*/
472 void (*DrawBuffers)( struct gl_context *ctx, GLsizei n, const GLenum *buffers );
473 /** Enable or disable server-side gl capabilities */
474 void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state);
475 /** Specify fog parameters */
476 void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
477 /** Specify implementation-specific hints */
478 void (*Hint)(struct gl_context *ctx, GLenum target, GLenum mode);
479 /** Set light source parameters.
480 * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
481 * been transformed to eye-space.
482 */
483 void (*Lightfv)(struct gl_context *ctx, GLenum light,
484 GLenum pname, const GLfloat *params );
485 /** Set the lighting model parameters */
486 void (*LightModelfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
487 /** Specify the line stipple pattern */
488 void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern );
489 /** Specify the width of rasterized lines */
490 void (*LineWidth)(struct gl_context *ctx, GLfloat width);
491 /** Specify a logical pixel operation for color index rendering */
492 void (*LogicOpcode)(struct gl_context *ctx, GLenum opcode);
493 void (*PointParameterfv)(struct gl_context *ctx, GLenum pname,
494 const GLfloat *params);
495 /** Specify the diameter of rasterized points */
496 void (*PointSize)(struct gl_context *ctx, GLfloat size);
497 /** Select a polygon rasterization mode */
498 void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode);
499 /** Set the scale and units used to calculate depth values */
500 void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units);
501 /** Set the polygon stippling pattern */
502 void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask );
503 /* Specifies the current buffer for reading */
504 void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer );
505 /** Set rasterization mode */
506 void (*RenderMode)(struct gl_context *ctx, GLenum mode );
507 /** Define the scissor box */
508 void (*Scissor)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
509 /** Select flat or smooth shading */
510 void (*ShadeModel)(struct gl_context *ctx, GLenum mode);
511 /** OpenGL 2.0 two-sided StencilFunc */
512 void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func,
513 GLint ref, GLuint mask);
514 /** OpenGL 2.0 two-sided StencilMask */
515 void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask);
516 /** OpenGL 2.0 two-sided StencilOp */
517 void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail,
518 GLenum zfail, GLenum zpass);
519 /** Control the generation of texture coordinates */
520 void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname,
521 const GLfloat *params);
522 /** Set texture environment parameters */
523 void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname,
524 const GLfloat *param);
525 /** Set texture parameters */
526 void (*TexParameter)(struct gl_context *ctx, GLenum target,
527 struct gl_texture_object *texObj,
528 GLenum pname, const GLfloat *params);
529 /** Set the viewport */
530 void (*Viewport)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
531 /*@}*/
532
533
534 /**
535 * \name Vertex/pixel buffer object functions
536 */
537 /*@{*/
538 void (*BindBuffer)( struct gl_context *ctx, GLenum target,
539 struct gl_buffer_object *obj );
540
541 struct gl_buffer_object * (*NewBufferObject)( struct gl_context *ctx, GLuint buffer,
542 GLenum target );
543
544 void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj );
545
546 GLboolean (*BufferData)( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
547 const GLvoid *data, GLenum usage,
548 struct gl_buffer_object *obj );
549
550 void (*BufferSubData)( struct gl_context *ctx, GLintptrARB offset,
551 GLsizeiptrARB size, const GLvoid *data,
552 struct gl_buffer_object *obj );
553
554 void (*GetBufferSubData)( struct gl_context *ctx,
555 GLintptrARB offset, GLsizeiptrARB size,
556 GLvoid *data, struct gl_buffer_object *obj );
557
558 void (*CopyBufferSubData)( struct gl_context *ctx,
559 struct gl_buffer_object *src,
560 struct gl_buffer_object *dst,
561 GLintptr readOffset, GLintptr writeOffset,
562 GLsizeiptr size );
563
564 /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
565 */
566 void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
567 GLsizeiptr length, GLbitfield access,
568 struct gl_buffer_object *obj);
569
570 void (*FlushMappedBufferRange)(struct gl_context *ctx,
571 GLintptr offset, GLsizeiptr length,
572 struct gl_buffer_object *obj);
573
574 GLboolean (*UnmapBuffer)( struct gl_context *ctx,
575 struct gl_buffer_object *obj );
576 /*@}*/
577
578 /**
579 * \name Functions for GL_APPLE_object_purgeable
580 */
581 /*@{*/
582 /* variations on ObjectPurgeable */
583 GLenum (*BufferObjectPurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
584 GLenum (*RenderObjectPurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
585 GLenum (*TextureObjectPurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
586
587 /* variations on ObjectUnpurgeable */
588 GLenum (*BufferObjectUnpurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
589 GLenum (*RenderObjectUnpurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
590 GLenum (*TextureObjectUnpurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
591 /*@}*/
592
593 /**
594 * \name Functions for GL_EXT_framebuffer_{object,blit}.
595 */
596 /*@{*/
597 struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
598 struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx, GLuint name);
599 void (*BindFramebuffer)(struct gl_context *ctx, GLenum target,
600 struct gl_framebuffer *drawFb,
601 struct gl_framebuffer *readFb);
602 void (*FramebufferRenderbuffer)(struct gl_context *ctx,
603 struct gl_framebuffer *fb,
604 GLenum attachment,
605 struct gl_renderbuffer *rb);
606 void (*RenderTexture)(struct gl_context *ctx,
607 struct gl_framebuffer *fb,
608 struct gl_renderbuffer_attachment *att);
609 void (*FinishRenderTexture)(struct gl_context *ctx,
610 struct gl_renderbuffer_attachment *att);
611 void (*ValidateFramebuffer)(struct gl_context *ctx,
612 struct gl_framebuffer *fb);
613 /*@}*/
614 void (*BlitFramebuffer)(struct gl_context *ctx,
615 GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
616 GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
617 GLbitfield mask, GLenum filter);
618
619 /**
620 * \name Query objects
621 */
622 /*@{*/
623 struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id);
624 void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q);
625 void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q);
626 void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q);
627 void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q);
628 void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q);
629 /*@}*/
630
631
632 /**
633 * \name Vertex Array objects
634 */
635 /*@{*/
636 struct gl_array_object * (*NewArrayObject)(struct gl_context *ctx, GLuint id);
637 void (*DeleteArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
638 void (*BindArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
639 /*@}*/
640
641 /**
642 * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
643 */
644 /*@{*/
645 struct gl_shader *(*NewShader)(struct gl_context *ctx, GLuint name, GLenum type);
646 void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader);
647 struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx, GLuint name);
648 void (*DeleteShaderProgram)(struct gl_context *ctx,
649 struct gl_shader_program *shProg);
650 void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg);
651 /*@}*/
652
653
654 /**
655 * \name Support for multiple T&L engines
656 */
657 /*@{*/
658
659 /**
660 * Set by the driver-supplied T&L engine.
661 *
662 * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
663 */
664 GLuint CurrentExecPrimitive;
665
666 /**
667 * Current state of an in-progress compilation.
668 *
669 * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
670 * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
671 */
672 GLuint CurrentSavePrimitive;
673
674
675 #define FLUSH_STORED_VERTICES 0x1
676 #define FLUSH_UPDATE_CURRENT 0x2
677 /**
678 * Set by the driver-supplied T&L engine whenever vertices are buffered
679 * between glBegin()/glEnd() objects or __struct gl_contextRec::Current is not
680 * updated.
681 *
682 * The dd_function_table::FlushVertices call below may be used to resolve
683 * these conditions.
684 */
685 GLuint NeedFlush;
686 GLuint SaveNeedFlush;
687
688
689 /* Called prior to any of the GLvertexformat functions being
690 * called. Paired with Driver.FlushVertices().
691 */
692 void (*BeginVertices)( struct gl_context *ctx );
693
694 /**
695 * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if
696 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
697 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
698 * __struct gl_contextRec::Current and gl_light_attrib::Material
699 *
700 * Note that the default T&L engine never clears the
701 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
702 */
703 void (*FlushVertices)( struct gl_context *ctx, GLuint flags );
704 void (*SaveFlushVertices)( struct gl_context *ctx );
705
706 /**
707 * \brief Hook for drivers to prepare for a glBegin/glEnd block
708 *
709 * This hook is called in vbo_exec_Begin() before any action, including
710 * state updates, occurs.
711 */
712 void (*PrepareExecBegin)( struct gl_context *ctx );
713
714 /**
715 * Give the driver the opportunity to hook in its own vtxfmt for
716 * compiling optimized display lists. This is called on each valid
717 * glBegin() during list compilation.
718 */
719 GLboolean (*NotifySaveBegin)( struct gl_context *ctx, GLenum mode );
720
721 /**
722 * Notify driver that the special derived value _NeedEyeCoords has
723 * changed.
724 */
725 void (*LightingSpaceChange)( struct gl_context *ctx );
726
727 /**
728 * Called by glNewList().
729 *
730 * Let the T&L component know what is going on with display lists
731 * in time to make changes to dispatch tables, etc.
732 */
733 void (*NewList)( struct gl_context *ctx, GLuint list, GLenum mode );
734 /**
735 * Called by glEndList().
736 *
737 * \sa dd_function_table::NewList.
738 */
739 void (*EndList)( struct gl_context *ctx );
740
741 /**
742 * Called by glCallList(s).
743 *
744 * Notify the T&L component before and after calling a display list.
745 */
746 void (*BeginCallList)( struct gl_context *ctx,
747 struct gl_display_list *dlist );
748 /**
749 * Called by glEndCallList().
750 *
751 * \sa dd_function_table::BeginCallList.
752 */
753 void (*EndCallList)( struct gl_context *ctx );
754
755 /**@}*/
756
757 /**
758 * \name GL_ARB_sync interfaces
759 */
760 /*@{*/
761 struct gl_sync_object * (*NewSyncObject)(struct gl_context *, GLenum);
762 void (*FenceSync)(struct gl_context *, struct gl_sync_object *, GLenum, GLbitfield);
763 void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *);
764 void (*CheckSync)(struct gl_context *, struct gl_sync_object *);
765 void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *,
766 GLbitfield, GLuint64);
767 void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *,
768 GLbitfield, GLuint64);
769 /*@}*/
770
771 /** GL_NV_conditional_render */
772 void (*BeginConditionalRender)(struct gl_context *ctx, struct gl_query_object *q,
773 GLenum mode);
774 void (*EndConditionalRender)(struct gl_context *ctx, struct gl_query_object *q);
775
776 /**
777 * \name GL_OES_draw_texture interface
778 */
779 /*@{*/
780 void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
781 GLfloat width, GLfloat height);
782 /*@}*/
783
784 /**
785 * \name GL_OES_EGL_image interface
786 */
787 void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target,
788 struct gl_texture_object *texObj,
789 struct gl_texture_image *texImage,
790 GLeglImageOES image_handle);
791 void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx,
792 struct gl_renderbuffer *rb,
793 void *image_handle);
794
795 /**
796 * \name GL_EXT_transform_feedback interface
797 */
798 struct gl_transform_feedback_object *
799 (*NewTransformFeedback)(struct gl_context *ctx, GLuint name);
800 void (*DeleteTransformFeedback)(struct gl_context *ctx,
801 struct gl_transform_feedback_object *obj);
802 void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode,
803 struct gl_transform_feedback_object *obj);
804 void (*EndTransformFeedback)(struct gl_context *ctx,
805 struct gl_transform_feedback_object *obj);
806 void (*PauseTransformFeedback)(struct gl_context *ctx,
807 struct gl_transform_feedback_object *obj);
808 void (*ResumeTransformFeedback)(struct gl_context *ctx,
809 struct gl_transform_feedback_object *obj);
810
811 /**
812 * \name GL_NV_texture_barrier interface
813 */
814 void (*TextureBarrier)(struct gl_context *ctx);
815
816 /**
817 * \name GL_ARB_sampler_objects
818 */
819 struct gl_sampler_object * (*NewSamplerObject)(struct gl_context *ctx,
820 GLuint name);
821 void (*DeleteSamplerObject)(struct gl_context *ctx,
822 struct gl_sampler_object *samp);
823 };
824
825
826 /**
827 * Transform/Clip/Lighting interface
828 *
829 * Drivers present a reduced set of the functions possible in
830 * glBegin()/glEnd() objects. Core mesa provides translation stubs for the
831 * remaining functions to map down to these entry points.
832 *
833 * These are the initial values to be installed into dispatch by
834 * mesa. If the T&L driver wants to modify the dispatch table
835 * while installed, it must do so itself. It would be possible for
836 * the vertexformat to install its own initial values for these
837 * functions, but this way there is an obvious list of what is
838 * expected of the driver.
839 *
840 * If the driver wants to hook in entry points other than those
841 * listed, it must restore them to their original values in
842 * the disable() callback, below.
843 */
844 typedef struct {
845 /**
846 * \name Vertex
847 */
848 /*@{*/
849 void (GLAPIENTRYP ArrayElement)( GLint );
850 void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
851 void (GLAPIENTRYP Color3fv)( const GLfloat * );
852 void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
853 void (GLAPIENTRYP Color4fv)( const GLfloat * );
854 void (GLAPIENTRYP EdgeFlag)( GLboolean );
855 void (GLAPIENTRYP EvalCoord1f)( GLfloat );
856 void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
857 void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
858 void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
859 void (GLAPIENTRYP EvalPoint1)( GLint );
860 void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
861 void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
862 void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
863 void (GLAPIENTRYP Indexf)( GLfloat );
864 void (GLAPIENTRYP Indexfv)( const GLfloat * );
865 void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
866 void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
867 void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
868 void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
869 void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
870 void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
871 void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
872 void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
873 void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
874 void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
875 void (GLAPIENTRYP Normal3fv)( const GLfloat * );
876 void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
877 void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
878 void (GLAPIENTRYP TexCoord1f)( GLfloat );
879 void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
880 void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
881 void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
882 void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
883 void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
884 void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
885 void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
886 void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
887 void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
888 void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
889 void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
890 void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
891 void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
892 void (GLAPIENTRYP CallList)( GLuint );
893 void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
894 void (GLAPIENTRYP Begin)( GLenum );
895 void (GLAPIENTRYP End)( void );
896 void (GLAPIENTRYP PrimitiveRestartNV)( void );
897 /* GL_NV_vertex_program */
898 void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
899 void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
900 void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
901 void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
902 void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
903 void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
904 void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
905 void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
906 /* GL_ARB_vertex_program */
907 void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
908 void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
909 void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
910 void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
911 void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
912 void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
913 void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
914 void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
915
916 /* GL_EXT_gpu_shader4 / GL 3.0 */
917 void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x);
918 void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y);
919 void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z);
920 void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w);
921 void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v);
922 void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v);
923 void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v);
924
925 void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x);
926 void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y);
927 void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z);
928 void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
929 void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v);
930 void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v);
931 void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v);
932
933 /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
934 void (GLAPIENTRYP VertexP2ui)( GLenum type, GLuint value );
935 void (GLAPIENTRYP VertexP2uiv)( GLenum type, const GLuint *value);
936
937 void (GLAPIENTRYP VertexP3ui)( GLenum type, GLuint value );
938 void (GLAPIENTRYP VertexP3uiv)( GLenum type, const GLuint *value);
939
940 void (GLAPIENTRYP VertexP4ui)( GLenum type, GLuint value );
941 void (GLAPIENTRYP VertexP4uiv)( GLenum type, const GLuint *value);
942
943 void (GLAPIENTRYP TexCoordP1ui)( GLenum type, GLuint coords );
944 void (GLAPIENTRYP TexCoordP1uiv)( GLenum type, const GLuint *coords );
945
946 void (GLAPIENTRYP TexCoordP2ui)( GLenum type, GLuint coords );
947 void (GLAPIENTRYP TexCoordP2uiv)( GLenum type, const GLuint *coords );
948
949 void (GLAPIENTRYP TexCoordP3ui)( GLenum type, GLuint coords );
950 void (GLAPIENTRYP TexCoordP3uiv)( GLenum type, const GLuint *coords );
951
952 void (GLAPIENTRYP TexCoordP4ui)( GLenum type, GLuint coords );
953 void (GLAPIENTRYP TexCoordP4uiv)( GLenum type, const GLuint *coords );
954
955 void (GLAPIENTRYP MultiTexCoordP1ui)( GLenum texture, GLenum type, GLuint coords );
956 void (GLAPIENTRYP MultiTexCoordP1uiv)( GLenum texture, GLenum type, const GLuint *coords );
957 void (GLAPIENTRYP MultiTexCoordP2ui)( GLenum texture, GLenum type, GLuint coords );
958 void (GLAPIENTRYP MultiTexCoordP2uiv)( GLenum texture, GLenum type, const GLuint *coords );
959 void (GLAPIENTRYP MultiTexCoordP3ui)( GLenum texture, GLenum type, GLuint coords );
960 void (GLAPIENTRYP MultiTexCoordP3uiv)( GLenum texture, GLenum type, const GLuint *coords );
961 void (GLAPIENTRYP MultiTexCoordP4ui)( GLenum texture, GLenum type, GLuint coords );
962 void (GLAPIENTRYP MultiTexCoordP4uiv)( GLenum texture, GLenum type, const GLuint *coords );
963
964 void (GLAPIENTRYP NormalP3ui)( GLenum type, GLuint coords );
965 void (GLAPIENTRYP NormalP3uiv)( GLenum type, const GLuint *coords );
966
967 void (GLAPIENTRYP ColorP3ui)( GLenum type, GLuint color );
968 void (GLAPIENTRYP ColorP3uiv)( GLenum type, const GLuint *color );
969
970 void (GLAPIENTRYP ColorP4ui)( GLenum type, GLuint color );
971 void (GLAPIENTRYP ColorP4uiv)( GLenum type, const GLuint *color );
972
973 void (GLAPIENTRYP SecondaryColorP3ui)( GLenum type, GLuint color );
974 void (GLAPIENTRYP SecondaryColorP3uiv)( GLenum type, const GLuint *color );
975
976 void (GLAPIENTRYP VertexAttribP1ui)( GLuint index, GLenum type,
977 GLboolean normalized, GLuint value);
978 void (GLAPIENTRYP VertexAttribP2ui)( GLuint index, GLenum type,
979 GLboolean normalized, GLuint value);
980 void (GLAPIENTRYP VertexAttribP3ui)( GLuint index, GLenum type,
981 GLboolean normalized, GLuint value);
982 void (GLAPIENTRYP VertexAttribP4ui)( GLuint index, GLenum type,
983 GLboolean normalized, GLuint value);
984 void (GLAPIENTRYP VertexAttribP1uiv)( GLuint index, GLenum type,
985 GLboolean normalized,
986 const GLuint *value);
987 void (GLAPIENTRYP VertexAttribP2uiv)( GLuint index, GLenum type,
988 GLboolean normalized,
989 const GLuint *value);
990 void (GLAPIENTRYP VertexAttribP3uiv)( GLuint index, GLenum type,
991 GLboolean normalized,
992 const GLuint *value);
993 void (GLAPIENTRYP VertexAttribP4uiv)( GLuint index, GLenum type,
994 GLboolean normalized,
995 const GLuint *value);
996
997 /*@}*/
998
999 void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
1000
1001 /**
1002 * \name Array
1003 */
1004 /*@{*/
1005 void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
1006 void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
1007 const GLvoid *indices );
1008 void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
1009 GLuint end, GLsizei count,
1010 GLenum type, const GLvoid *indices );
1011 void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
1012 GLenum type,
1013 const GLvoid **indices,
1014 GLsizei primcount);
1015 void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
1016 GLenum type,
1017 const GLvoid *indices,
1018 GLint basevertex );
1019 void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
1020 GLuint end, GLsizei count,
1021 GLenum type,
1022 const GLvoid *indices,
1023 GLint basevertex);
1024 void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
1025 const GLsizei *count,
1026 GLenum type,
1027 const GLvoid **indices,
1028 GLsizei primcount,
1029 const GLint *basevertex);
1030 void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first,
1031 GLsizei count, GLsizei primcount);
1032 void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count,
1033 GLenum type, const GLvoid *indices,
1034 GLsizei primcount);
1035 void (GLAPIENTRYP DrawElementsInstancedBaseVertex)(GLenum mode, GLsizei count,
1036 GLenum type, const GLvoid *indices,
1037 GLsizei primcount, GLint basevertex);
1038 void (GLAPIENTRYP DrawTransformFeedback)(GLenum mode, GLuint name);
1039 /*@}*/
1040
1041 /**
1042 * \name Eval
1043 *
1044 * If you don't support eval, fallback to the default vertex format
1045 * on receiving an eval call and use the pipeline mechanism to
1046 * provide partial T&L acceleration.
1047 *
1048 * Mesa will provide a set of helper functions to do eval within
1049 * accelerated vertex formats, eventually...
1050 */
1051 /*@{*/
1052 void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
1053 void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
1054 /*@}*/
1055
1056 } GLvertexformat;
1057
1058
1059 #endif /* DD_INCLUDED */