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1 /**
2  * \file dd.h
3  * Device driver interfaces.
4  */
5 
6 /*
7  * Mesa 3-D graphics library
8  *
9  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27  * OTHER DEALINGS IN THE SOFTWARE.
28  */
29 
30 
31 #ifndef DD_INCLUDED
32 #define DD_INCLUDED
33 
34 #include "glheader.h"
35 #include "formats.h"
36 #include "menums.h"
37 #include "compiler/shader_enums.h"
38 
39 struct gl_bitmap_atlas;
40 struct gl_buffer_object;
41 struct gl_context;
42 struct gl_display_list;
43 struct gl_framebuffer;
44 struct gl_image_unit;
45 struct gl_pixelstore_attrib;
46 struct gl_program;
47 struct gl_renderbuffer;
48 struct gl_renderbuffer_attachment;
49 struct gl_shader;
50 struct gl_shader_program;
51 struct gl_texture_image;
52 struct gl_texture_object;
53 struct gl_memory_info;
54 struct gl_transform_feedback_object;
55 struct ati_fragment_shader;
56 struct util_queue_monitoring;
57 struct _mesa_prim;
58 struct _mesa_index_buffer;
59 
60 /* GL_ARB_vertex_buffer_object */
61 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
62  * NULL) if buffer is unavailable for immediate mapping.
63  *
64  * Does GL_MAP_INVALIDATE_RANGE_BIT do this?  It seems so, but it
65  * would require more book-keeping in the driver than seems necessary
66  * at this point.
67  *
68  * Does GL_MAP_INVALDIATE_BUFFER_BIT do this?  Not really -- we don't
69  * want to provoke the driver to throw away the old storage, we will
70  * respect the contents of already referenced data.
71  */
72 #define MESA_MAP_NOWAIT_BIT       0x4000
73 
74 /* Mapping a buffer is allowed from any thread. */
75 #define MESA_MAP_THREAD_SAFE_BIT  0x8000
76 
77 
78 /**
79  * Device driver function table.
80  * Core Mesa uses these function pointers to call into device drivers.
81  * Most of these functions directly correspond to OpenGL state commands.
82  * Core Mesa will call these functions after error checking has been done
83  * so that the drivers don't have to worry about error testing.
84  *
85  * Vertex transformation/clipping/lighting is patched into the T&L module.
86  * Rasterization functions are patched into the swrast module.
87  *
88  * Note: when new functions are added here, the drivers/common/driverfuncs.c
89  * file should be updated too!!!
90  */
91 struct dd_function_table {
92    /**
93     * Return a string as needed by glGetString().
94     * Only the GL_RENDERER query must be implemented.  Otherwise, NULL can be
95     * returned.
96     */
97    const GLubyte * (*GetString)( struct gl_context *ctx, GLenum name );
98 
99    /**
100     * Notify the driver after Mesa has made some internal state changes.
101     *
102     * This is in addition to any state change callbacks Mesa may already have
103     * made.
104     */
105    void (*UpdateState)(struct gl_context *ctx);
106 
107    /**
108     * This is called whenever glFinish() is called.
109     */
110    void (*Finish)( struct gl_context *ctx );
111 
112    /**
113     * This is called whenever glFlush() is called.
114     */
115    void (*Flush)( struct gl_context *ctx );
116 
117    /**
118     * Clear the color/depth/stencil/accum buffer(s).
119     * \param buffers  a bitmask of BUFFER_BIT_* flags indicating which
120     *                 renderbuffers need to be cleared.
121     */
122    void (*Clear)( struct gl_context *ctx, GLbitfield buffers );
123 
124    /**
125     * Execute glRasterPos, updating the ctx->Current.Raster fields
126     */
127    void (*RasterPos)( struct gl_context *ctx, const GLfloat v[4] );
128 
129    /**
130     * \name Image-related functions
131     */
132    /*@{*/
133 
134    /**
135     * Called by glDrawPixels().
136     * \p unpack describes how to unpack the source image data.
137     */
138    void (*DrawPixels)( struct gl_context *ctx,
139 		       GLint x, GLint y, GLsizei width, GLsizei height,
140 		       GLenum format, GLenum type,
141 		       const struct gl_pixelstore_attrib *unpack,
142 		       const GLvoid *pixels );
143 
144    /**
145     * Called by glReadPixels().
146     */
147    void (*ReadPixels)( struct gl_context *ctx,
148 		       GLint x, GLint y, GLsizei width, GLsizei height,
149 		       GLenum format, GLenum type,
150 		       const struct gl_pixelstore_attrib *unpack,
151 		       GLvoid *dest );
152 
153    /**
154     * Called by glCopyPixels().
155     */
156    void (*CopyPixels)( struct gl_context *ctx, GLint srcx, GLint srcy,
157                        GLsizei width, GLsizei height,
158                        GLint dstx, GLint dsty, GLenum type );
159 
160    /**
161     * Called by glBitmap().
162     */
163    void (*Bitmap)( struct gl_context *ctx,
164 		   GLint x, GLint y, GLsizei width, GLsizei height,
165 		   const struct gl_pixelstore_attrib *unpack,
166 		   const GLubyte *bitmap );
167 
168    /**
169     * Called by display list code for optimized glCallLists/glBitmap rendering
170     * The driver must support texture rectangles of width 1024 or more.
171     */
172    void (*DrawAtlasBitmaps)(struct gl_context *ctx,
173                             const struct gl_bitmap_atlas *atlas,
174                             GLuint count, const GLubyte *ids);
175    /*@}*/
176 
177 
178    /**
179     * \name Texture image functions
180     */
181    /*@{*/
182 
183    /**
184     * Choose actual hardware texture format given the texture target, the
185     * user-provided source image format and type and the desired internal
186     * format.  In some cases, srcFormat and srcType can be GL_NONE.
187     * Note:  target may be GL_TEXTURE_CUBE_MAP, but never
188     * GL_TEXTURE_CUBE_MAP_[POSITIVE/NEGATIVE]_[XYZ].
189     * Called by glTexImage(), etc.
190     */
191    mesa_format (*ChooseTextureFormat)(struct gl_context *ctx,
192                                       GLenum target, GLint internalFormat,
193                                       GLenum srcFormat, GLenum srcType );
194 
195    /**
196     * Queries different driver parameters for a particular target and format.
197     * Since ARB_internalformat_query2 introduced several new query parameters
198     * over ARB_internalformat_query, having one driver hook for each parameter
199     * is no longer feasible. So this is the generic entry-point for calls
200     * to glGetInternalFormativ and glGetInternalFormati64v, after Mesa has
201     * checked errors and default values.
202     *
203     * \param ctx            GL context
204     * \param target         GL target enum
205     * \param internalFormat GL format enum
206     * \param pname          GL enum that specifies the info to query.
207     * \param params         Buffer to hold the result of the query.
208     */
209    void (*QueryInternalFormat)(struct gl_context *ctx,
210                                GLenum target,
211                                GLenum internalFormat,
212                                GLenum pname,
213                                GLint *params);
214 
215    /**
216     * Called by glTexImage[123]D() and glCopyTexImage[12]D()
217     * Allocate texture memory and copy the user's image to the buffer.
218     * The gl_texture_image fields, etc. will be fully initialized.
219     * The parameters are the same as glTexImage3D(), plus:
220     * \param dims  1, 2, or 3 indicating glTexImage1/2/3D()
221     * \param packing describes how to unpack the source data.
222     * \param texImage is the destination texture image.
223     */
224    void (*TexImage)(struct gl_context *ctx, GLuint dims,
225                     struct gl_texture_image *texImage,
226                     GLenum format, GLenum type, const GLvoid *pixels,
227                     const struct gl_pixelstore_attrib *packing);
228 
229    /**
230     * Called by glTexSubImage[123]D().
231     * Replace a subset of the target texture with new texel data.
232     */
233    void (*TexSubImage)(struct gl_context *ctx, GLuint dims,
234                        struct gl_texture_image *texImage,
235                        GLint xoffset, GLint yoffset, GLint zoffset,
236                        GLsizei width, GLsizei height, GLint depth,
237                        GLenum format, GLenum type,
238                        const GLvoid *pixels,
239                        const struct gl_pixelstore_attrib *packing);
240 
241 
242    /**
243     * Called by glGetTexImage(), glGetTextureSubImage().
244     */
245    void (*GetTexSubImage)(struct gl_context *ctx,
246                           GLint xoffset, GLint yoffset, GLint zoffset,
247                           GLsizei width, GLsizei height, GLsizei depth,
248                           GLenum format, GLenum type, GLvoid *pixels,
249                           struct gl_texture_image *texImage);
250 
251    /**
252     * Called by glClearTex[Sub]Image
253     *
254     * Clears a rectangular region of the image to a given value. The
255     * clearValue argument is either NULL or points to a single texel to use as
256     * the clear value in the same internal format as the texture image. If it
257     * is NULL then the texture should be cleared to zeroes.
258     */
259    void (*ClearTexSubImage)(struct gl_context *ctx,
260                             struct gl_texture_image *texImage,
261                             GLint xoffset, GLint yoffset, GLint zoffset,
262                             GLsizei width, GLsizei height, GLsizei depth,
263                             const GLvoid *clearValue);
264 
265    /**
266     * Called by glCopyTex[Sub]Image[123]D().
267     *
268     * This function should copy a rectangular region in the rb to a single
269     * destination slice, specified by @slice.  In the case of 1D array
270     * textures (where one GL call can potentially affect multiple destination
271     * slices), core mesa takes care of calling this function multiple times,
272     * once for each scanline to be copied.
273     */
274    void (*CopyTexSubImage)(struct gl_context *ctx, GLuint dims,
275                            struct gl_texture_image *texImage,
276                            GLint xoffset, GLint yoffset, GLint slice,
277                            struct gl_renderbuffer *rb,
278                            GLint x, GLint y,
279                            GLsizei width, GLsizei height);
280    /**
281     * Called by glCopyImageSubData().
282     *
283     * This function should copy one 2-D slice from src_teximage or
284     * src_renderbuffer to dst_teximage or dst_renderbuffer.  Either the
285     * teximage or renderbuffer pointer will be non-null to indicate which
286     * is the real src/dst.
287     *
288     * If one of the textures is 3-D or is a 1-D or 2-D array
289     * texture, this function will be called multiple times: once for each
290     * slice.  If one of the textures is a cube map, this function will be
291     * called once for each face to be copied.
292     */
293    void (*CopyImageSubData)(struct gl_context *ctx,
294                             struct gl_texture_image *src_teximage,
295                             struct gl_renderbuffer *src_renderbuffer,
296                             int src_x, int src_y, int src_z,
297                             struct gl_texture_image *dst_teximage,
298                             struct gl_renderbuffer *dst_renderbuffer,
299                             int dst_x, int dst_y, int dst_z,
300                             int src_width, int src_height);
301 
302    /**
303     * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
304     * Note that if the texture is a cube map, the <target> parameter will
305     * indicate which cube face to generate (GL_POSITIVE/NEGATIVE_X/Y/Z).
306     * texObj->BaseLevel is the level from which to generate the remaining
307     * mipmap levels.
308     */
309    void (*GenerateMipmap)(struct gl_context *ctx, GLenum target,
310                           struct gl_texture_object *texObj);
311 
312    /**
313     * Called by glTexImage, glCompressedTexImage, glCopyTexImage
314     * and glTexStorage to check if the dimensions of the texture image
315     * are too large.
316     * \param target  any GL_PROXY_TEXTURE_x target
317     * \return GL_TRUE if the image is OK, GL_FALSE if too large
318     */
319    GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
320                                   GLuint numLevels, GLint level,
321                                   mesa_format format, GLuint numSamples,
322                                   GLint width, GLint height,
323                                   GLint depth);
324    /*@}*/
325 
326 
327    /**
328     * \name Compressed texture functions
329     */
330    /*@{*/
331 
332    /**
333     * Called by glCompressedTexImage[123]D().
334     */
335    void (*CompressedTexImage)(struct gl_context *ctx, GLuint dims,
336                               struct gl_texture_image *texImage,
337                               GLsizei imageSize, const GLvoid *data);
338 
339    /**
340     * Called by glCompressedTexSubImage[123]D().
341     */
342    void (*CompressedTexSubImage)(struct gl_context *ctx, GLuint dims,
343                                  struct gl_texture_image *texImage,
344                                  GLint xoffset, GLint yoffset, GLint zoffset,
345                                  GLsizei width, GLsizei height, GLsizei depth,
346                                  GLenum format,
347                                  GLsizei imageSize, const GLvoid *data);
348    /*@}*/
349 
350    /**
351     * \name Texture object / image functions
352     */
353    /*@{*/
354 
355    /**
356     * Called by glBindTexture() and glBindTextures().
357     */
358    void (*BindTexture)( struct gl_context *ctx, GLuint texUnit,
359                         GLenum target, struct gl_texture_object *tObj );
360 
361    /**
362     * Called to allocate a new texture object.  Drivers will usually
363     * allocate/return a subclass of gl_texture_object.
364     */
365    struct gl_texture_object * (*NewTextureObject)(struct gl_context *ctx,
366                                                   GLuint name, GLenum target);
367    /**
368     * Called to delete/free a texture object.  Drivers should free the
369     * object and any image data it contains.
370     */
371    void (*DeleteTexture)(struct gl_context *ctx,
372                          struct gl_texture_object *texObj);
373 
374    /**
375     * Called to notify that texture is removed from ctx->Shared->TexObjects
376     */
377    void (*TextureRemovedFromShared)(struct gl_context *ctx,
378                                    struct gl_texture_object *texObj);
379 
380    /** Called to allocate a new texture image object. */
381    struct gl_texture_image * (*NewTextureImage)(struct gl_context *ctx);
382 
383    /** Called to free a texture image object returned by NewTextureImage() */
384    void (*DeleteTextureImage)(struct gl_context *ctx,
385                               struct gl_texture_image *);
386 
387    /** Called to allocate memory for a single texture image */
388    GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
389                                         struct gl_texture_image *texImage);
390 
391    /** Free the memory for a single texture image */
392    void (*FreeTextureImageBuffer)(struct gl_context *ctx,
393                                   struct gl_texture_image *texImage);
394 
395    /** Map a slice of a texture image into user space.
396     * Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
397     * indicates the 1D array index.
398     * \param texImage  the texture image
399     * \param slice  the 3D image slice or array texture slice
400     * \param x, y, w, h  region of interest
401     * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
402     *              GL_MAP_INVALIDATE_RANGE_BIT (if writing)
403     * \param mapOut  returns start of mapping of region of interest
404     * \param rowStrideOut returns row stride (in bytes).  In the case of a
405     * compressed texture, this is the byte stride between one row of blocks
406     * and another.
407     */
408    void (*MapTextureImage)(struct gl_context *ctx,
409 			   struct gl_texture_image *texImage,
410 			   GLuint slice,
411 			   GLuint x, GLuint y, GLuint w, GLuint h,
412 			   GLbitfield mode,
413 			   GLubyte **mapOut, GLint *rowStrideOut);
414 
415    void (*UnmapTextureImage)(struct gl_context *ctx,
416 			     struct gl_texture_image *texImage,
417 			     GLuint slice);
418 
419    /** For GL_ARB_texture_storage.  Allocate memory for whole mipmap stack.
420     * All the gl_texture_images in the texture object will have their
421     * dimensions, format, etc. initialized already.
422     */
423    GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
424                                     struct gl_texture_object *texObj,
425                                     GLsizei levels, GLsizei width,
426                                     GLsizei height, GLsizei depth);
427 
428    /** Called as part of glTextureView to add views to origTexObj */
429    GLboolean (*TextureView)(struct gl_context *ctx,
430                             struct gl_texture_object *texObj,
431                             struct gl_texture_object *origTexObj);
432 
433    /**
434     * Map a renderbuffer into user space.
435     * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
436     *              GL_MAP_INVALIDATE_RANGE_BIT (if writing)
437     */
438    void (*MapRenderbuffer)(struct gl_context *ctx,
439 			   struct gl_renderbuffer *rb,
440 			   GLuint x, GLuint y, GLuint w, GLuint h,
441 			   GLbitfield mode,
442 			   GLubyte **mapOut, GLint *rowStrideOut,
443 			   bool flip_y);
444 
445    void (*UnmapRenderbuffer)(struct gl_context *ctx,
446 			     struct gl_renderbuffer *rb);
447 
448    /**
449     * Optional driver entrypoint that binds a non-texture renderbuffer's
450     * contents to a texture image.
451     */
452    GLboolean (*BindRenderbufferTexImage)(struct gl_context *ctx,
453                                          struct gl_renderbuffer *rb,
454                                          struct gl_texture_image *texImage);
455    /*@}*/
456 
457 
458    /**
459     * \name Vertex/fragment program functions
460     */
461    /*@{*/
462    /** Allocate a new program */
463    struct gl_program * (*NewProgram)(struct gl_context *ctx,
464                                      gl_shader_stage stage,
465                                      GLuint id, bool is_arb_asm);
466    /** Delete a program */
467    void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog);
468    /**
469     * Allocate a program to associate with the new ATI fragment shader (optional)
470     */
471    struct gl_program * (*NewATIfs)(struct gl_context *ctx,
472                                    struct ati_fragment_shader *curProg);
473    /**
474     * Notify driver that a program string (and GPU code) has been specified
475     * or modified.  Return GL_TRUE or GL_FALSE to indicate if the program is
476     * supported by the driver.
477     */
478    GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
479                                     struct gl_program *prog);
480 
481    /**
482     * Notify driver that the sampler uniforms for the current program have
483     * changed.  On some drivers, this may require shader recompiles.
484     */
485    void (*SamplerUniformChange)(struct gl_context *ctx, GLenum target,
486                                 struct gl_program *prog);
487 
488    /** Query if program can be loaded onto hardware */
489    GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target,
490 				struct gl_program *prog);
491 
492    /*@}*/
493 
494    /**
495     * \name GLSL shader/program functions.
496     */
497    /*@{*/
498    /**
499     * Called when a shader program is linked.
500     *
501     * This gives drivers an opportunity to clone the IR and make their
502     * own transformations on it for the purposes of code generation.
503     */
504    GLboolean (*LinkShader)(struct gl_context *ctx,
505                            struct gl_shader_program *shader);
506    /*@}*/
507 
508 
509    /**
510     * \name Draw functions.
511     */
512    /*@{*/
513    /**
514     * For indirect array drawing:
515     *
516     *    typedef struct {
517     *       GLuint count;
518     *       GLuint primCount;
519     *       GLuint first;
520     *       GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
521     *    } DrawArraysIndirectCommand;
522     *
523     * For indirect indexed drawing:
524     *
525     *    typedef struct {
526     *       GLuint count;
527     *       GLuint primCount;
528     *       GLuint firstIndex;
529     *       GLint  baseVertex;
530     *       GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
531     *    } DrawElementsIndirectCommand;
532     */
533 
534    /**
535     * Draw a number of primitives.
536     * \param prims  array [nr_prims] describing what to draw (prim type,
537     *               vertex count, first index, instance count, etc).
538     * \param ib  index buffer for indexed drawing, NULL for array drawing
539     * \param index_bounds_valid  are min_index and max_index valid?
540     * \param min_index  lowest vertex index used
541     * \param max_index  highest vertex index used
542     * \param num_instances  instance count from ARB_draw_instanced
543     * \param base_instance  base instance from ARB_base_instance
544     * \param tfb_vertcount  if non-null, indicates which transform feedback
545     *                       object has the vertex count.
546     * \param tfb_stream  If called via DrawTransformFeedbackStream, specifies
547     *                    the vertex stream buffer from which to get the vertex
548     *                    count.
549     * \param indirect  If any prims are indirect, this specifies the buffer
550     *                  to find the "DrawArrays/ElementsIndirectCommand" data.
551     *                  This may be deprecated in the future
552     */
553    void (*Draw)(struct gl_context *ctx,
554                 const struct _mesa_prim *prims, GLuint nr_prims,
555                 const struct _mesa_index_buffer *ib,
556                 GLboolean index_bounds_valid,
557                 GLuint min_index, GLuint max_index,
558                 GLuint num_instances, GLuint base_instance,
559                 struct gl_transform_feedback_object *tfb_vertcount,
560                 unsigned tfb_stream);
561 
562 
563    /**
564     * Draw a primitive, getting the vertex count, instance count, start
565     * vertex, etc. from a buffer object.
566     * \param mode  GL_POINTS, GL_LINES, GL_TRIANGLE_STRIP, etc.
567     * \param indirect_data  buffer to get "DrawArrays/ElementsIndirectCommand"
568     *                       data
569     * \param indirect_offset  offset of first primitive in indrect_data buffer
570     * \param draw_count  number of primitives to draw
571     * \param stride  stride, in bytes, between
572     *                "DrawArrays/ElementsIndirectCommand" objects
573     * \param indirect_draw_count_buffer  if non-NULL specifies a buffer to get
574     *                                    the real draw_count value.  Used for
575     *                                    GL_ARB_indirect_parameters.
576     * \param indirect_draw_count_offset  offset to the draw_count value in
577     *                                    indirect_draw_count_buffer
578     * \param ib  index buffer for indexed drawing, NULL otherwise.
579     */
580    void (*DrawIndirect)(struct gl_context *ctx, GLuint mode,
581                         struct gl_buffer_object *indirect_data,
582                         GLsizeiptr indirect_offset, unsigned draw_count,
583                         unsigned stride,
584                         struct gl_buffer_object *indirect_draw_count_buffer,
585                         GLsizeiptr indirect_draw_count_offset,
586                         const struct _mesa_index_buffer *ib);
587    /*@}*/
588 
589 
590    /**
591     * \name State-changing functions.
592     *
593     * \note drawing functions are above.
594     *
595     * These functions are called by their corresponding OpenGL API functions.
596     * They are \e also called by the gl_PopAttrib() function!!!
597     * May add more functions like these to the device driver in the future.
598     */
599    /*@{*/
600    /** Specify the alpha test function */
601    void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref);
602    /** Set the blend color */
603    void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]);
604    /** Set the blend equation */
605    void (*BlendEquationSeparate)(struct gl_context *ctx,
606                                  GLenum modeRGB, GLenum modeA);
607    /** Specify pixel arithmetic */
608    void (*BlendFuncSeparate)(struct gl_context *ctx,
609                              GLenum sfactorRGB, GLenum dfactorRGB,
610                              GLenum sfactorA, GLenum dfactorA);
611    /** Specify a plane against which all geometry is clipped */
612    void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *eq);
613    /** Enable and disable writing of frame buffer color components */
614    void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask,
615                      GLboolean bmask, GLboolean amask );
616    /** Cause a material color to track the current color */
617    void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode);
618    /** Specify whether front- or back-facing facets can be culled */
619    void (*CullFace)(struct gl_context *ctx, GLenum mode);
620    /** Define front- and back-facing polygons */
621    void (*FrontFace)(struct gl_context *ctx, GLenum mode);
622    /** Specify the value used for depth buffer comparisons */
623    void (*DepthFunc)(struct gl_context *ctx, GLenum func);
624    /** Enable or disable writing into the depth buffer */
625    void (*DepthMask)(struct gl_context *ctx, GLboolean flag);
626    /** Specify mapping of depth values from NDC to window coordinates */
627    void (*DepthRange)(struct gl_context *ctx);
628    /** Specify the current buffer for writing */
629    void (*DrawBuffer)(struct gl_context *ctx);
630    /** Used to allocated any buffers with on-demand creation */
631    void (*DrawBufferAllocate)(struct gl_context *ctx);
632    /** Enable or disable server-side gl capabilities */
633    void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state);
634    /** Specify fog parameters */
635    void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
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,
644                         const GLfloat *params);
645    /** Specify the line stipple pattern */
646    void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern );
647    /** Specify the width of rasterized lines */
648    void (*LineWidth)(struct gl_context *ctx, GLfloat width);
649    /** Specify a logical pixel operation for color index rendering */
650    void (*LogicOpcode)(struct gl_context *ctx, enum gl_logicop_mode opcode);
651    void (*PointParameterfv)(struct gl_context *ctx, GLenum pname,
652                             const GLfloat *params);
653    /** Specify the diameter of rasterized points */
654    void (*PointSize)(struct gl_context *ctx, GLfloat size);
655    /** Select a polygon rasterization mode */
656    void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode);
657    /** Set the scale and units used to calculate depth values */
658    void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units, GLfloat clamp);
659    /** Set the polygon stippling pattern */
660    void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask );
661    /* Specifies the current buffer for reading */
662    void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer );
663    /** Set rasterization mode */
664    void (*RenderMode)(struct gl_context *ctx, GLenum mode );
665    /** Define the scissor box */
666    void (*Scissor)(struct gl_context *ctx);
667    /** Select flat or smooth shading */
668    void (*ShadeModel)(struct gl_context *ctx, GLenum mode);
669    /** OpenGL 2.0 two-sided StencilFunc */
670    void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func,
671                                GLint ref, GLuint mask);
672    /** OpenGL 2.0 two-sided StencilMask */
673    void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask);
674    /** OpenGL 2.0 two-sided StencilOp */
675    void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail,
676                              GLenum zfail, GLenum zpass);
677    /** Control the generation of texture coordinates */
678    void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname,
679 		  const GLfloat *params);
680    /** Set texture environment parameters */
681    void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname,
682                   const GLfloat *param);
683    /** Set texture parameter (callee gets param value from the texObj) */
684    void (*TexParameter)(struct gl_context *ctx,
685                         struct gl_texture_object *texObj, GLenum pname);
686    /** Set the viewport */
687    void (*Viewport)(struct gl_context *ctx);
688    /*@}*/
689 
690 
691    /**
692     * \name Vertex/pixel buffer object functions
693     */
694    /*@{*/
695    struct gl_buffer_object * (*NewBufferObject)(struct gl_context *ctx,
696                                                 GLuint buffer);
697 
698    void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj );
699 
700    GLboolean (*BufferData)(struct gl_context *ctx, GLenum target,
701                            GLsizeiptrARB size, const GLvoid *data, GLenum usage,
702                            GLenum storageFlags, struct gl_buffer_object *obj);
703 
704    void (*BufferSubData)( struct gl_context *ctx, GLintptrARB offset,
705 			  GLsizeiptrARB size, const GLvoid *data,
706 			  struct gl_buffer_object *obj );
707 
708    void (*GetBufferSubData)( struct gl_context *ctx,
709 			     GLintptrARB offset, GLsizeiptrARB size,
710 			     GLvoid *data, struct gl_buffer_object *obj );
711 
712    void (*ClearBufferSubData)( struct gl_context *ctx,
713                                GLintptr offset, GLsizeiptr size,
714                                const GLvoid *clearValue,
715                                GLsizeiptr clearValueSize,
716                                struct gl_buffer_object *obj );
717 
718    void (*CopyBufferSubData)( struct gl_context *ctx,
719                               struct gl_buffer_object *src,
720                               struct gl_buffer_object *dst,
721                               GLintptr readOffset, GLintptr writeOffset,
722                               GLsizeiptr size );
723 
724    void (*InvalidateBufferSubData)( struct gl_context *ctx,
725                                     struct gl_buffer_object *obj,
726                                     GLintptr offset,
727                                     GLsizeiptr length );
728 
729    /* Returns pointer to the start of the mapped range.
730     * May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
731     */
732    void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
733                              GLsizeiptr length, GLbitfield access,
734                              struct gl_buffer_object *obj,
735                              gl_map_buffer_index index);
736 
737    void (*FlushMappedBufferRange)(struct gl_context *ctx,
738                                   GLintptr offset, GLsizeiptr length,
739                                   struct gl_buffer_object *obj,
740                                   gl_map_buffer_index index);
741 
742    GLboolean (*UnmapBuffer)( struct gl_context *ctx,
743 			     struct gl_buffer_object *obj,
744                              gl_map_buffer_index index);
745    /*@}*/
746 
747    /**
748     * \name Functions for GL_APPLE_object_purgeable
749     */
750    /*@{*/
751    /* variations on ObjectPurgeable */
752    GLenum (*BufferObjectPurgeable)(struct gl_context *ctx,
753                                    struct gl_buffer_object *obj, GLenum option);
754    GLenum (*RenderObjectPurgeable)(struct gl_context *ctx,
755                                    struct gl_renderbuffer *obj, GLenum option);
756    GLenum (*TextureObjectPurgeable)(struct gl_context *ctx,
757                                     struct gl_texture_object *obj,
758                                     GLenum option);
759 
760    /* variations on ObjectUnpurgeable */
761    GLenum (*BufferObjectUnpurgeable)(struct gl_context *ctx,
762                                      struct gl_buffer_object *obj,
763                                      GLenum option);
764    GLenum (*RenderObjectUnpurgeable)(struct gl_context *ctx,
765                                      struct gl_renderbuffer *obj,
766                                      GLenum option);
767    GLenum (*TextureObjectUnpurgeable)(struct gl_context *ctx,
768                                       struct gl_texture_object *obj,
769                                       GLenum option);
770    /*@}*/
771 
772    /**
773     * \name Functions for GL_EXT_framebuffer_{object,blit,discard}.
774     */
775    /*@{*/
776    struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx,
777                                              GLuint name);
778    struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx,
779                                                GLuint name);
780    void (*BindFramebuffer)(struct gl_context *ctx, GLenum target,
781                            struct gl_framebuffer *drawFb,
782                            struct gl_framebuffer *readFb);
783    void (*FramebufferRenderbuffer)(struct gl_context *ctx,
784                                    struct gl_framebuffer *fb,
785                                    GLenum attachment,
786                                    struct gl_renderbuffer *rb);
787    void (*RenderTexture)(struct gl_context *ctx,
788                          struct gl_framebuffer *fb,
789                          struct gl_renderbuffer_attachment *att);
790    void (*FinishRenderTexture)(struct gl_context *ctx,
791                                struct gl_renderbuffer *rb);
792    void (*ValidateFramebuffer)(struct gl_context *ctx,
793                                struct gl_framebuffer *fb);
794    /*@}*/
795    void (*BlitFramebuffer)(struct gl_context *ctx,
796                            struct gl_framebuffer *readFb,
797                            struct gl_framebuffer *drawFb,
798                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
799                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
800                            GLbitfield mask, GLenum filter);
801    void (*DiscardFramebuffer)(struct gl_context *ctx, struct gl_framebuffer *fb,
802                               struct gl_renderbuffer_attachment *att);
803 
804    /**
805     * \name Functions for GL_ARB_sample_locations
806     */
807    void (*GetProgrammableSampleCaps)(struct gl_context *ctx,
808                                      const struct gl_framebuffer *fb,
809                                      GLuint *bits, GLuint *width, GLuint *height);
810    void (*EvaluateDepthValues)(struct gl_context *ctx);
811 
812    /**
813     * \name Query objects
814     */
815    /*@{*/
816    struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id);
817    void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q);
818    void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q);
819    void (*QueryCounter)(struct gl_context *ctx, struct gl_query_object *q);
820    void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q);
821    void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q);
822    void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q);
823    /*
824     * \pname the value requested to be written (GL_QUERY_RESULT, etc)
825     * \ptype the type of the value requested to be written:
826     *    GL_UNSIGNED_INT, GL_UNSIGNED_INT64_ARB,
827     *    GL_INT, GL_INT64_ARB
828     */
829    void (*StoreQueryResult)(struct gl_context *ctx, struct gl_query_object *q,
830                             struct gl_buffer_object *buf, intptr_t offset,
831                             GLenum pname, GLenum ptype);
832    /*@}*/
833 
834    /**
835     * \name Performance monitors
836     */
837    /*@{*/
838    void (*InitPerfMonitorGroups)(struct gl_context *ctx);
839    struct gl_perf_monitor_object * (*NewPerfMonitor)(struct gl_context *ctx);
840    void (*DeletePerfMonitor)(struct gl_context *ctx,
841                              struct gl_perf_monitor_object *m);
842    GLboolean (*BeginPerfMonitor)(struct gl_context *ctx,
843                                  struct gl_perf_monitor_object *m);
844 
845    /** Stop an active performance monitor, discarding results. */
846    void (*ResetPerfMonitor)(struct gl_context *ctx,
847                             struct gl_perf_monitor_object *m);
848    void (*EndPerfMonitor)(struct gl_context *ctx,
849                           struct gl_perf_monitor_object *m);
850    GLboolean (*IsPerfMonitorResultAvailable)(struct gl_context *ctx,
851                                              struct gl_perf_monitor_object *m);
852    void (*GetPerfMonitorResult)(struct gl_context *ctx,
853                                 struct gl_perf_monitor_object *m,
854                                 GLsizei dataSize,
855                                 GLuint *data,
856                                 GLint *bytesWritten);
857    /*@}*/
858 
859    /**
860     * \name Performance Query objects
861     */
862    /*@{*/
863    unsigned (*InitPerfQueryInfo)(struct gl_context *ctx);
864    void (*GetPerfQueryInfo)(struct gl_context *ctx,
865                             unsigned queryIndex,
866                             const char **name,
867                             GLuint *dataSize,
868                             GLuint *numCounters,
869                             GLuint *numActive);
870    void (*GetPerfCounterInfo)(struct gl_context *ctx,
871                               unsigned queryIndex,
872                               unsigned counterIndex,
873                               const char **name,
874                               const char **desc,
875                               GLuint *offset,
876                               GLuint *data_size,
877                               GLuint *type_enum,
878                               GLuint *data_type_enum,
879                               GLuint64 *raw_max);
880    struct gl_perf_query_object * (*NewPerfQueryObject)(struct gl_context *ctx,
881                                                        unsigned queryIndex);
882    void (*DeletePerfQuery)(struct gl_context *ctx,
883                            struct gl_perf_query_object *obj);
884    bool (*BeginPerfQuery)(struct gl_context *ctx,
885                           struct gl_perf_query_object *obj);
886    void (*EndPerfQuery)(struct gl_context *ctx,
887                         struct gl_perf_query_object *obj);
888    void (*WaitPerfQuery)(struct gl_context *ctx,
889                          struct gl_perf_query_object *obj);
890    bool (*IsPerfQueryReady)(struct gl_context *ctx,
891                             struct gl_perf_query_object *obj);
892    void (*GetPerfQueryData)(struct gl_context *ctx,
893                             struct gl_perf_query_object *obj,
894                             GLsizei dataSize,
895                             GLuint *data,
896                             GLuint *bytesWritten);
897    /*@}*/
898 
899 
900    /**
901     * \name GREMEDY debug/marker functions
902     */
903    /*@{*/
904    void (*EmitStringMarker)(struct gl_context *ctx, const GLchar *string, GLsizei len);
905    /*@}*/
906 
907    /**
908     * \name Support for multiple T&L engines
909     */
910    /*@{*/
911 
912    /**
913     * Set by the driver-supplied T&L engine.
914     *
915     * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
916     */
917    GLuint CurrentExecPrimitive;
918 
919    /**
920     * Current glBegin state of an in-progress compilation.  May be
921     * GL_POINTS, GL_TRIANGLE_STRIP, etc. or PRIM_OUTSIDE_BEGIN_END
922     * or PRIM_UNKNOWN.
923     */
924    GLuint CurrentSavePrimitive;
925 
926 
927 #define FLUSH_STORED_VERTICES 0x1
928 #define FLUSH_UPDATE_CURRENT  0x2
929    /**
930     * Set by the driver-supplied T&L engine whenever vertices are buffered
931     * between glBegin()/glEnd() objects or __struct gl_contextRec::Current
932     * is not updated.  A bitmask of the FLUSH_x values above.
933     *
934     * The dd_function_table::FlushVertices call below may be used to resolve
935     * these conditions.
936     */
937    GLbitfield NeedFlush;
938 
939    /** Need to call vbo_save_SaveFlushVertices() upon state change? */
940    GLboolean SaveNeedFlush;
941 
942    /**
943     * Notify driver that the special derived value _NeedEyeCoords has
944     * changed.
945     */
946    void (*LightingSpaceChange)( struct gl_context *ctx );
947 
948    /**@}*/
949 
950    /**
951     * \name GL_ARB_sync interfaces
952     */
953    /*@{*/
954    struct gl_sync_object * (*NewSyncObject)(struct gl_context *);
955    void (*FenceSync)(struct gl_context *, struct gl_sync_object *,
956                      GLenum, GLbitfield);
957    void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *);
958    void (*CheckSync)(struct gl_context *, struct gl_sync_object *);
959    void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *,
960 			  GLbitfield, GLuint64);
961    void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *,
962 			  GLbitfield, GLuint64);
963    /*@}*/
964 
965    /** GL_NV_conditional_render */
966    void (*BeginConditionalRender)(struct gl_context *ctx,
967                                   struct gl_query_object *q,
968                                   GLenum mode);
969    void (*EndConditionalRender)(struct gl_context *ctx,
970                                 struct gl_query_object *q);
971 
972    /**
973     * \name GL_OES_draw_texture interface
974     */
975    /*@{*/
976    void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
977                    GLfloat width, GLfloat height);
978    /*@}*/
979 
980    /**
981     * \name GL_OES_EGL_image interface
982     */
983    void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target,
984 				   struct gl_texture_object *texObj,
985 				   struct gl_texture_image *texImage,
986 				   GLeglImageOES image_handle);
987    void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx,
988 					     struct gl_renderbuffer *rb,
989 					     void *image_handle);
990 
991    /**
992     * \name GL_EXT_EGL_image_storage interface
993     */
994    void (*EGLImageTargetTexStorage)(struct gl_context *ctx, GLenum target,
995                                     struct gl_texture_object *texObj,
996                                     struct gl_texture_image *texImage,
997                                     GLeglImageOES image_handle);
998    /**
999     * \name GL_EXT_transform_feedback interface
1000     */
1001    struct gl_transform_feedback_object *
1002         (*NewTransformFeedback)(struct gl_context *ctx, GLuint name);
1003    void (*DeleteTransformFeedback)(struct gl_context *ctx,
1004                                    struct gl_transform_feedback_object *obj);
1005    void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode,
1006                                   struct gl_transform_feedback_object *obj);
1007    void (*EndTransformFeedback)(struct gl_context *ctx,
1008                                 struct gl_transform_feedback_object *obj);
1009    void (*PauseTransformFeedback)(struct gl_context *ctx,
1010                                   struct gl_transform_feedback_object *obj);
1011    void (*ResumeTransformFeedback)(struct gl_context *ctx,
1012                                    struct gl_transform_feedback_object *obj);
1013 
1014    /**
1015     * Return the number of vertices written to a stream during the last
1016     * Begin/EndTransformFeedback block.
1017     */
1018    GLsizei (*GetTransformFeedbackVertexCount)(struct gl_context *ctx,
1019                                        struct gl_transform_feedback_object *obj,
1020                                        GLuint stream);
1021 
1022    /**
1023     * \name GL_NV_texture_barrier interface
1024     */
1025    void (*TextureBarrier)(struct gl_context *ctx);
1026 
1027    /**
1028     * \name GL_ARB_sampler_objects
1029     */
1030    struct gl_sampler_object * (*NewSamplerObject)(struct gl_context *ctx,
1031                                                   GLuint name);
1032 
1033    /**
1034     * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
1035     * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
1036     */
1037    uint64_t (*GetTimestamp)(struct gl_context *ctx);
1038 
1039    /**
1040     * \name GL_ARB_texture_multisample
1041     */
1042    void (*GetSamplePosition)(struct gl_context *ctx,
1043                              struct gl_framebuffer *fb,
1044                              GLuint index,
1045                              GLfloat *outValue);
1046 
1047    /**
1048     * \name NV_vdpau_interop interface
1049     */
1050    void (*VDPAUMapSurface)(struct gl_context *ctx, GLenum target,
1051                            GLenum access, GLboolean output,
1052                            struct gl_texture_object *texObj,
1053                            struct gl_texture_image *texImage,
1054                            const GLvoid *vdpSurface, GLuint index);
1055    void (*VDPAUUnmapSurface)(struct gl_context *ctx, GLenum target,
1056                              GLenum access, GLboolean output,
1057                              struct gl_texture_object *texObj,
1058                              struct gl_texture_image *texImage,
1059                              const GLvoid *vdpSurface, GLuint index);
1060 
1061    /**
1062     * Query reset status for GL_ARB_robustness
1063     *
1064     * Per \c glGetGraphicsResetStatusARB, this function should return a
1065     * non-zero value once after a reset.  If a reset is non-atomic, the
1066     * non-zero status should be returned for the duration of the reset.
1067     */
1068    GLenum (*GetGraphicsResetStatus)(struct gl_context *ctx);
1069 
1070    /**
1071     * \name GL_ARB_shader_image_load_store interface.
1072     */
1073    /** @{ */
1074    void (*MemoryBarrier)(struct gl_context *ctx, GLbitfield barriers);
1075    /** @} */
1076 
1077    /**
1078     * GL_EXT_shader_framebuffer_fetch_non_coherent rendering barrier.
1079     *
1080     * On return from this function any framebuffer contents written by
1081     * previous draw commands are guaranteed to be visible from subsequent
1082     * fragment shader invocations using the
1083     * EXT_shader_framebuffer_fetch_non_coherent interface.
1084     */
1085    /** @{ */
1086    void (*FramebufferFetchBarrier)(struct gl_context *ctx);
1087    /** @} */
1088 
1089    /**
1090     * \name GL_ARB_compute_shader interface
1091     */
1092    /*@{*/
1093    void (*DispatchCompute)(struct gl_context *ctx, const GLuint *num_groups);
1094    void (*DispatchComputeIndirect)(struct gl_context *ctx, GLintptr indirect);
1095    /*@}*/
1096 
1097    /**
1098     * \name GL_ARB_compute_variable_group_size interface
1099     */
1100    /*@{*/
1101    void (*DispatchComputeGroupSize)(struct gl_context *ctx,
1102                                     const GLuint *num_groups,
1103                                     const GLuint *group_size);
1104    /*@}*/
1105 
1106    /**
1107     * Query information about memory. Device memory is e.g. VRAM. Staging
1108     * memory is e.g. GART. All sizes are in kilobytes.
1109     */
1110    void (*QueryMemoryInfo)(struct gl_context *ctx,
1111                            struct gl_memory_info *info);
1112 
1113    /**
1114     * Indicate that this thread is being used by Mesa as a background drawing
1115     * thread for the given GL context.
1116     *
1117     * If this function is called more than once from any given thread, each
1118     * subsequent call overrides the context that was passed in the previous
1119     * call.  Mesa takes advantage of this to re-use a background thread to
1120     * perform drawing on behalf of multiple contexts.
1121     *
1122     * Mesa may sometimes call this function from a non-background thread
1123     * (i.e. a thread that has already been bound to a context using
1124     * __DriverAPIRec::MakeCurrent()); when this happens, ctx will be equal to
1125     * the context that is bound to this thread.
1126     *
1127     * Mesa will only call this function if GL multithreading is enabled.
1128     */
1129    void (*SetBackgroundContext)(struct gl_context *ctx,
1130                                 struct util_queue_monitoring *queue_info);
1131 
1132    /**
1133     * \name GL_ARB_sparse_buffer interface
1134     */
1135    /*@{*/
1136    void (*BufferPageCommitment)(struct gl_context *ctx,
1137                                 struct gl_buffer_object *bufferObj,
1138                                 GLintptr offset, GLsizeiptr size,
1139                                 GLboolean commit);
1140    /*@}*/
1141 
1142    /**
1143     * \name GL_ARB_bindless_texture interface
1144     */
1145    /*@{*/
1146    GLuint64 (*NewTextureHandle)(struct gl_context *ctx,
1147                                 struct gl_texture_object *texObj,
1148                                 struct gl_sampler_object *sampObj);
1149    void (*DeleteTextureHandle)(struct gl_context *ctx, GLuint64 handle);
1150    void (*MakeTextureHandleResident)(struct gl_context *ctx, GLuint64 handle,
1151                                      bool resident);
1152    GLuint64 (*NewImageHandle)(struct gl_context *ctx,
1153                               struct gl_image_unit *imgObj);
1154    void (*DeleteImageHandle)(struct gl_context *ctx, GLuint64 handle);
1155    void (*MakeImageHandleResident)(struct gl_context *ctx, GLuint64 handle,
1156                                    GLenum access, bool resident);
1157    /*@}*/
1158 
1159 
1160    /**
1161     * \name GL_EXT_external_objects interface
1162     */
1163    /*@{*/
1164   /**
1165     * Called to allocate a new memory object.  Drivers will usually
1166     * allocate/return a subclass of gl_memory_object.
1167     */
1168    struct gl_memory_object * (*NewMemoryObject)(struct gl_context *ctx,
1169                                                 GLuint name);
1170    /**
1171     * Called to delete/free a memory object.  Drivers should free the
1172     * object and any image data it contains.
1173     */
1174    void (*DeleteMemoryObject)(struct gl_context *ctx,
1175                               struct gl_memory_object *memObj);
1176 
1177    /**
1178     * Set the given memory object as the texture's storage.
1179     */
1180    GLboolean (*SetTextureStorageForMemoryObject)(struct gl_context *ctx,
1181                                                  struct gl_texture_object *tex_obj,
1182                                                  struct gl_memory_object *mem_obj,
1183                                                  GLsizei levels, GLsizei width,
1184                                                  GLsizei height, GLsizei depth,
1185                                                  GLuint64 offset);
1186 
1187    /**
1188     * Use a memory object as the backing data for a buffer object
1189     */
1190    GLboolean (*BufferDataMem)(struct gl_context *ctx,
1191                               GLenum target,
1192                               GLsizeiptrARB size,
1193                               struct gl_memory_object *memObj,
1194                               GLuint64 offset,
1195                               GLenum usage,
1196                               struct gl_buffer_object *bufObj);
1197 
1198    /**
1199     * Fill uuid with an unique identifier for this driver
1200     *
1201     * uuid must point to GL_UUID_SIZE_EXT bytes of available memory
1202     */
1203    void (*GetDriverUuid)(struct gl_context *ctx, char *uuid);
1204 
1205    /**
1206     * Fill uuid with an unique identifier for the device associated
1207     * to this driver
1208     *
1209     * uuid must point to GL_UUID_SIZE_EXT bytes of available memory
1210     */
1211    void (*GetDeviceUuid)(struct gl_context *ctx, char *uuid);
1212 
1213    /*@}*/
1214 
1215    /**
1216     * \name GL_EXT_external_objects_fd interface
1217     */
1218    /*@{*/
1219    /**
1220     * Called to import a memory object. The caller relinquishes ownership
1221     * of fd after the call returns.
1222     *
1223     * Accessing fd after ImportMemoryObjectFd returns results in undefined
1224     * behaviour. This is consistent with EXT_external_object_fd.
1225     */
1226    void (*ImportMemoryObjectFd)(struct gl_context *ctx,
1227                                 struct gl_memory_object *memObj,
1228                                 GLuint64 size,
1229                                 int fd);
1230    /*@}*/
1231 
1232    /**
1233     * \name GL_ARB_get_program_binary
1234     */
1235    /*@{*/
1236    /**
1237     * Calls to retrieve/store a binary serialized copy of the current program.
1238     */
1239    void (*GetProgramBinaryDriverSHA1)(struct gl_context *ctx, uint8_t *sha1);
1240 
1241    void (*ProgramBinarySerializeDriverBlob)(struct gl_context *ctx,
1242                                             struct gl_shader_program *shProg,
1243                                             struct gl_program *prog);
1244 
1245    void (*ProgramBinaryDeserializeDriverBlob)(struct gl_context *ctx,
1246                                               struct gl_shader_program *shProg,
1247                                               struct gl_program *prog);
1248    /*@}*/
1249 
1250    /**
1251     * \name GL_EXT_semaphore interface
1252     */
1253    /*@{*/
1254   /**
1255     * Called to allocate a new semaphore object. Drivers will usually
1256     * allocate/return a subclass of gl_semaphore_object.
1257     */
1258    struct gl_semaphore_object * (*NewSemaphoreObject)(struct gl_context *ctx,
1259                                                       GLuint name);
1260    /**
1261     * Called to delete/free a semaphore object. Drivers should free the
1262     * object and any associated resources.
1263     */
1264    void (*DeleteSemaphoreObject)(struct gl_context *ctx,
1265                                  struct gl_semaphore_object *semObj);
1266 
1267    /**
1268     * Introduce an operation to wait for the semaphore object in the GL
1269     * server's command stream
1270     */
1271    void (*ServerWaitSemaphoreObject)(struct gl_context *ctx,
1272                                      struct gl_semaphore_object *semObj,
1273                                      GLuint numBufferBarriers,
1274                                      struct gl_buffer_object **bufObjs,
1275                                      GLuint numTextureBarriers,
1276                                      struct gl_texture_object **texObjs,
1277                                      const GLenum *srcLayouts);
1278 
1279    /**
1280     * Introduce an operation to signal the semaphore object in the GL
1281     * server's command stream
1282     */
1283    void (*ServerSignalSemaphoreObject)(struct gl_context *ctx,
1284                                        struct gl_semaphore_object *semObj,
1285                                        GLuint numBufferBarriers,
1286                                        struct gl_buffer_object **bufObjs,
1287                                        GLuint numTextureBarriers,
1288                                        struct gl_texture_object **texObjs,
1289                                        const GLenum *dstLayouts);
1290    /*@}*/
1291 
1292    /**
1293     * \name GL_EXT_semaphore_fd interface
1294     */
1295    /*@{*/
1296    /**
1297     * Called to import a semaphore object. The caller relinquishes ownership
1298     * of fd after the call returns.
1299     *
1300     * Accessing fd after ImportSemaphoreFd returns results in undefined
1301     * behaviour. This is consistent with EXT_semaphore_fd.
1302     */
1303    void (*ImportSemaphoreFd)(struct gl_context *ctx,
1304                                 struct gl_semaphore_object *semObj,
1305                                 int fd);
1306    /*@}*/
1307 
1308    /**
1309     * \name Disk shader cache functions
1310     */
1311    /*@{*/
1312    /**
1313     * Called to initialize gl_program::driver_cache_blob (and size) with a
1314     * ralloc allocated buffer.
1315     *
1316     * This buffer will be saved and restored as part of the gl_program
1317     * serialization and deserialization.
1318     */
1319    void (*ShaderCacheSerializeDriverBlob)(struct gl_context *ctx,
1320                                           struct gl_program *prog);
1321    /*@}*/
1322 
1323    /**
1324     * \name Set the number of compiler threads for ARB_parallel_shader_compile
1325     */
1326    void (*SetMaxShaderCompilerThreads)(struct gl_context *ctx, unsigned count);
1327    bool (*GetShaderProgramCompletionStatus)(struct gl_context *ctx,
1328                                             struct gl_shader_program *shprog);
1329 
1330    void (*PinDriverToL3Cache)(struct gl_context *ctx, unsigned L3_cache);
1331 };
1332 
1333 
1334 /**
1335  * Per-vertex functions.
1336  *
1337  * These are the functions which can appear between glBegin and glEnd.
1338  * Depending on whether we're inside or outside a glBegin/End pair
1339  * and whether we're in immediate mode or building a display list, these
1340  * functions behave differently.  This structure allows us to switch
1341  * between those modes more easily.
1342  *
1343  * Generally, these pointers point to functions in the VBO module.
1344  */
1345 typedef struct {
1346    void (GLAPIENTRYP ArrayElement)( GLint );
1347    void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
1348    void (GLAPIENTRYP Color3fv)( const GLfloat * );
1349    void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1350    void (GLAPIENTRYP Color4fv)( const GLfloat * );
1351    void (GLAPIENTRYP EdgeFlag)( GLboolean );
1352    void (GLAPIENTRYP EvalCoord1f)( GLfloat );
1353    void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
1354    void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
1355    void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
1356    void (GLAPIENTRYP EvalPoint1)( GLint );
1357    void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
1358    void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
1359    void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
1360    void (GLAPIENTRYP Indexf)( GLfloat );
1361    void (GLAPIENTRYP Indexfv)( const GLfloat * );
1362    void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
1363    void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
1364    void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
1365    void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
1366    void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
1367    void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
1368    void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
1369    void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
1370    void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
1371    void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
1372    void (GLAPIENTRYP Normal3fv)( const GLfloat * );
1373    void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
1374    void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
1375    void (GLAPIENTRYP TexCoord1f)( GLfloat );
1376    void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
1377    void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
1378    void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
1379    void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
1380    void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
1381    void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1382    void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
1383    void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
1384    void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
1385    void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
1386    void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
1387    void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
1388    void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
1389    void (GLAPIENTRYP CallList)( GLuint );
1390    void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
1391    void (GLAPIENTRYP Begin)( GLenum );
1392    void (GLAPIENTRYP End)( void );
1393    void (GLAPIENTRYP PrimitiveRestartNV)( void );
1394    /* Originally for GL_NV_vertex_program, now used only dlist.c and friends */
1395    void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
1396    void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
1397    void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
1398    void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
1399    void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1400    void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
1401    void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1402    void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
1403    /* GL_ARB_vertex_program */
1404    void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
1405    void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
1406    void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
1407    void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
1408    void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
1409    void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
1410    void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
1411    void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
1412 
1413    /* GL_EXT_gpu_shader4 / GL 3.0 */
1414    void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x);
1415    void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y);
1416    void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z);
1417    void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w);
1418    void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v);
1419    void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v);
1420    void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v);
1421 
1422    void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x);
1423    void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y);
1424    void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z);
1425    void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
1426    void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v);
1427    void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v);
1428    void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v);
1429 
1430    /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
1431    void (GLAPIENTRYP VertexP2ui)( GLenum type, GLuint value );
1432    void (GLAPIENTRYP VertexP2uiv)( GLenum type, const GLuint *value);
1433 
1434    void (GLAPIENTRYP VertexP3ui)( GLenum type, GLuint value );
1435    void (GLAPIENTRYP VertexP3uiv)( GLenum type, const GLuint *value);
1436 
1437    void (GLAPIENTRYP VertexP4ui)( GLenum type, GLuint value );
1438    void (GLAPIENTRYP VertexP4uiv)( GLenum type, const GLuint *value);
1439 
1440    void (GLAPIENTRYP TexCoordP1ui)( GLenum type, GLuint coords );
1441    void (GLAPIENTRYP TexCoordP1uiv)( GLenum type, const GLuint *coords );
1442 
1443    void (GLAPIENTRYP TexCoordP2ui)( GLenum type, GLuint coords );
1444    void (GLAPIENTRYP TexCoordP2uiv)( GLenum type, const GLuint *coords );
1445 
1446    void (GLAPIENTRYP TexCoordP3ui)( GLenum type, GLuint coords );
1447    void (GLAPIENTRYP TexCoordP3uiv)( GLenum type, const GLuint *coords );
1448 
1449    void (GLAPIENTRYP TexCoordP4ui)( GLenum type, GLuint coords );
1450    void (GLAPIENTRYP TexCoordP4uiv)( GLenum type, const GLuint *coords );
1451 
1452    void (GLAPIENTRYP MultiTexCoordP1ui)( GLenum texture, GLenum type, GLuint coords );
1453    void (GLAPIENTRYP MultiTexCoordP1uiv)( GLenum texture, GLenum type, const GLuint *coords );
1454    void (GLAPIENTRYP MultiTexCoordP2ui)( GLenum texture, GLenum type, GLuint coords );
1455    void (GLAPIENTRYP MultiTexCoordP2uiv)( GLenum texture, GLenum type, const GLuint *coords );
1456    void (GLAPIENTRYP MultiTexCoordP3ui)( GLenum texture, GLenum type, GLuint coords );
1457    void (GLAPIENTRYP MultiTexCoordP3uiv)( GLenum texture, GLenum type, const GLuint *coords );
1458    void (GLAPIENTRYP MultiTexCoordP4ui)( GLenum texture, GLenum type, GLuint coords );
1459    void (GLAPIENTRYP MultiTexCoordP4uiv)( GLenum texture, GLenum type, const GLuint *coords );
1460 
1461    void (GLAPIENTRYP NormalP3ui)( GLenum type, GLuint coords );
1462    void (GLAPIENTRYP NormalP3uiv)( GLenum type, const GLuint *coords );
1463 
1464    void (GLAPIENTRYP ColorP3ui)( GLenum type, GLuint color );
1465    void (GLAPIENTRYP ColorP3uiv)( GLenum type, const GLuint *color );
1466 
1467    void (GLAPIENTRYP ColorP4ui)( GLenum type, GLuint color );
1468    void (GLAPIENTRYP ColorP4uiv)( GLenum type, const GLuint *color );
1469 
1470    void (GLAPIENTRYP SecondaryColorP3ui)( GLenum type, GLuint color );
1471    void (GLAPIENTRYP SecondaryColorP3uiv)( GLenum type, const GLuint *color );
1472 
1473    void (GLAPIENTRYP VertexAttribP1ui)( GLuint index, GLenum type,
1474 					GLboolean normalized, GLuint value);
1475    void (GLAPIENTRYP VertexAttribP2ui)( GLuint index, GLenum type,
1476 					GLboolean normalized, GLuint value);
1477    void (GLAPIENTRYP VertexAttribP3ui)( GLuint index, GLenum type,
1478 					GLboolean normalized, GLuint value);
1479    void (GLAPIENTRYP VertexAttribP4ui)( GLuint index, GLenum type,
1480 					GLboolean normalized, GLuint value);
1481    void (GLAPIENTRYP VertexAttribP1uiv)( GLuint index, GLenum type,
1482 					GLboolean normalized,
1483 					 const GLuint *value);
1484    void (GLAPIENTRYP VertexAttribP2uiv)( GLuint index, GLenum type,
1485 					GLboolean normalized,
1486 					 const GLuint *value);
1487    void (GLAPIENTRYP VertexAttribP3uiv)( GLuint index, GLenum type,
1488 					GLboolean normalized,
1489 					 const GLuint *value);
1490    void (GLAPIENTRYP VertexAttribP4uiv)( GLuint index, GLenum type,
1491 					 GLboolean normalized,
1492 					 const GLuint *value);
1493 
1494    /* GL_ARB_vertex_attrib_64bit / GL 4.1 */
1495    void (GLAPIENTRYP VertexAttribL1d)( GLuint index, GLdouble x);
1496    void (GLAPIENTRYP VertexAttribL2d)( GLuint index, GLdouble x, GLdouble y);
1497    void (GLAPIENTRYP VertexAttribL3d)( GLuint index, GLdouble x, GLdouble y, GLdouble z);
1498    void (GLAPIENTRYP VertexAttribL4d)( GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
1499 
1500 
1501    void (GLAPIENTRYP VertexAttribL1dv)( GLuint index, const GLdouble *v);
1502    void (GLAPIENTRYP VertexAttribL2dv)( GLuint index, const GLdouble *v);
1503    void (GLAPIENTRYP VertexAttribL3dv)( GLuint index, const GLdouble *v);
1504    void (GLAPIENTRYP VertexAttribL4dv)( GLuint index, const GLdouble *v);
1505 
1506    void (GLAPIENTRYP VertexAttribL1ui64ARB)( GLuint index, GLuint64EXT x);
1507    void (GLAPIENTRYP VertexAttribL1ui64vARB)( GLuint index, const GLuint64EXT *v);
1508 
1509    /* GL_NV_half_float */
1510    void (GLAPIENTRYP Vertex2hNV)( GLhalfNV, GLhalfNV );
1511    void (GLAPIENTRYP Vertex2hvNV)( const GLhalfNV * );
1512    void (GLAPIENTRYP Vertex3hNV)( GLhalfNV, GLhalfNV, GLhalfNV );
1513    void (GLAPIENTRYP Vertex3hvNV)( const GLhalfNV * );
1514    void (GLAPIENTRYP Vertex4hNV)( GLhalfNV, GLhalfNV, GLhalfNV, GLhalfNV );
1515    void (GLAPIENTRYP Vertex4hvNV)( const GLhalfNV * );
1516    void (GLAPIENTRYP Normal3hNV)( GLhalfNV, GLhalfNV, GLhalfNV );
1517    void (GLAPIENTRYP Normal3hvNV)( const GLhalfNV * );
1518    void (GLAPIENTRYP Color3hNV)( GLhalfNV, GLhalfNV, GLhalfNV );
1519    void (GLAPIENTRYP Color3hvNV)( const GLhalfNV * );
1520    void (GLAPIENTRYP Color4hNV)( GLhalfNV, GLhalfNV, GLhalfNV, GLhalfNV );
1521    void (GLAPIENTRYP Color4hvNV)( const GLhalfNV * );
1522    void (GLAPIENTRYP TexCoord1hNV)( GLhalfNV );
1523    void (GLAPIENTRYP TexCoord1hvNV)( const GLhalfNV * );
1524    void (GLAPIENTRYP TexCoord2hNV)( GLhalfNV, GLhalfNV );
1525    void (GLAPIENTRYP TexCoord2hvNV)( const GLhalfNV * );
1526    void (GLAPIENTRYP TexCoord3hNV)( GLhalfNV, GLhalfNV, GLhalfNV );
1527    void (GLAPIENTRYP TexCoord3hvNV)( const GLhalfNV * );
1528    void (GLAPIENTRYP TexCoord4hNV)( GLhalfNV, GLhalfNV, GLhalfNV, GLhalfNV );
1529    void (GLAPIENTRYP TexCoord4hvNV)( const GLhalfNV * );
1530    void (GLAPIENTRYP MultiTexCoord1hNV)( GLenum, GLhalfNV );
1531    void (GLAPIENTRYP MultiTexCoord1hvNV)( GLenum, const GLhalfNV * );
1532    void (GLAPIENTRYP MultiTexCoord2hNV)( GLenum, GLhalfNV, GLhalfNV );
1533    void (GLAPIENTRYP MultiTexCoord2hvNV)( GLenum, const GLhalfNV * );
1534    void (GLAPIENTRYP MultiTexCoord3hNV)( GLenum, GLhalfNV, GLhalfNV, GLhalfNV );
1535    void (GLAPIENTRYP MultiTexCoord3hvNV)( GLenum, const GLhalfNV * );
1536    void (GLAPIENTRYP MultiTexCoord4hNV)( GLenum, GLhalfNV, GLhalfNV, GLhalfNV, GLhalfNV );
1537    void (GLAPIENTRYP MultiTexCoord4hvNV)( GLenum, const GLhalfNV * );
1538    void (GLAPIENTRYP FogCoordhNV)( GLhalfNV );
1539    void (GLAPIENTRYP FogCoordhvNV)( const GLhalfNV * );
1540    void (GLAPIENTRYP SecondaryColor3hNV)( GLhalfNV, GLhalfNV, GLhalfNV );
1541    void (GLAPIENTRYP SecondaryColor3hvNV)( const GLhalfNV * );
1542 
1543    void (GLAPIENTRYP Color3b)( GLbyte red, GLbyte green, GLbyte blue );
1544    void (GLAPIENTRYP Color3d)( GLdouble red, GLdouble green, GLdouble blue );
1545    void (GLAPIENTRYP Color3i)( GLint red, GLint green, GLint blue );
1546    void (GLAPIENTRYP Color3s)( GLshort red, GLshort green, GLshort blue );
1547    void (GLAPIENTRYP Color3ui)( GLuint red, GLuint green, GLuint blue );
1548    void (GLAPIENTRYP Color3us)( GLushort red, GLushort green, GLushort blue );
1549    void (GLAPIENTRYP Color3ub)( GLubyte red, GLubyte green, GLubyte blue );
1550    void (GLAPIENTRYP Color3bv)( const GLbyte *v );
1551    void (GLAPIENTRYP Color3dv)( const GLdouble *v );
1552    void (GLAPIENTRYP Color3iv)( const GLint *v );
1553    void (GLAPIENTRYP Color3sv)( const GLshort *v );
1554    void (GLAPIENTRYP Color3uiv)( const GLuint *v );
1555    void (GLAPIENTRYP Color3usv)( const GLushort *v );
1556    void (GLAPIENTRYP Color3ubv)( const GLubyte *v );
1557    void (GLAPIENTRYP Color4b)( GLbyte red, GLbyte green, GLbyte blue, GLbyte alpha );
1558    void (GLAPIENTRYP Color4d)( GLdouble red, GLdouble green, GLdouble blue,
1559                        GLdouble alpha );
1560    void (GLAPIENTRYP Color4i)( GLint red, GLint green, GLint blue, GLint alpha );
1561    void (GLAPIENTRYP Color4s)( GLshort red, GLshort green, GLshort blue,
1562                        GLshort alpha );
1563    void (GLAPIENTRYP Color4ui)( GLuint red, GLuint green, GLuint blue, GLuint alpha );
1564    void (GLAPIENTRYP Color4us)( GLushort red, GLushort green, GLushort blue,
1565                         GLushort alpha );
1566    void (GLAPIENTRYP Color4ub)( GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha );
1567    void (GLAPIENTRYP Color4iv)( const GLint *v );
1568    void (GLAPIENTRYP Color4bv)( const GLbyte *v );
1569    void (GLAPIENTRYP Color4dv)( const GLdouble *v );
1570    void (GLAPIENTRYP Color4sv)( const GLshort *v);
1571    void (GLAPIENTRYP Color4uiv)( const GLuint *v);
1572    void (GLAPIENTRYP Color4usv)( const GLushort *v);
1573    void (GLAPIENTRYP Color4ubv)( const GLubyte *v);
1574    void (GLAPIENTRYP FogCoordd)( GLdouble d );
1575    void (GLAPIENTRYP FogCoorddv)( const GLdouble *v );
1576    void (GLAPIENTRYP Indexd)( GLdouble c );
1577    void (GLAPIENTRYP Indexi)( GLint c );
1578    void (GLAPIENTRYP Indexs)( GLshort c );
1579    void (GLAPIENTRYP Indexub)( GLubyte c );
1580    void (GLAPIENTRYP Indexdv)( const GLdouble *c );
1581    void (GLAPIENTRYP Indexiv)( const GLint *c );
1582    void (GLAPIENTRYP Indexsv)( const GLshort *c );
1583    void (GLAPIENTRYP Indexubv)( const GLubyte *c );
1584    void (GLAPIENTRYP EdgeFlagv)(const GLboolean *flag);
1585    void (GLAPIENTRYP Normal3b)( GLbyte nx, GLbyte ny, GLbyte nz );
1586    void (GLAPIENTRYP Normal3d)( GLdouble nx, GLdouble ny, GLdouble nz );
1587    void (GLAPIENTRYP Normal3i)( GLint nx, GLint ny, GLint nz );
1588    void (GLAPIENTRYP Normal3s)( GLshort nx, GLshort ny, GLshort nz );
1589    void (GLAPIENTRYP Normal3bv)( const GLbyte *v );
1590    void (GLAPIENTRYP Normal3dv)( const GLdouble *v );
1591    void (GLAPIENTRYP Normal3iv)( const GLint *v );
1592    void (GLAPIENTRYP Normal3sv)( const GLshort *v );
1593    void (GLAPIENTRYP TexCoord1d)( GLdouble s );
1594    void (GLAPIENTRYP TexCoord1i)( GLint s );
1595    void (GLAPIENTRYP TexCoord1s)( GLshort s );
1596    void (GLAPIENTRYP TexCoord2d)( GLdouble s, GLdouble t );
1597    void (GLAPIENTRYP TexCoord2s)( GLshort s, GLshort t );
1598    void (GLAPIENTRYP TexCoord2i)( GLint s, GLint t );
1599    void (GLAPIENTRYP TexCoord3d)( GLdouble s, GLdouble t, GLdouble r );
1600    void (GLAPIENTRYP TexCoord3i)( GLint s, GLint t, GLint r );
1601    void (GLAPIENTRYP TexCoord3s)( GLshort s, GLshort t, GLshort r );
1602    void (GLAPIENTRYP TexCoord4d)( GLdouble s, GLdouble t, GLdouble r, GLdouble q );
1603    void (GLAPIENTRYP TexCoord4i)( GLint s, GLint t, GLint r, GLint q );
1604    void (GLAPIENTRYP TexCoord4s)( GLshort s, GLshort t, GLshort r, GLshort q );
1605    void (GLAPIENTRYP TexCoord1dv)( const GLdouble *v );
1606    void (GLAPIENTRYP TexCoord1iv)( const GLint *v );
1607    void (GLAPIENTRYP TexCoord1sv)( const GLshort *v );
1608    void (GLAPIENTRYP TexCoord2dv)( const GLdouble *v );
1609    void (GLAPIENTRYP TexCoord2iv)( const GLint *v );
1610    void (GLAPIENTRYP TexCoord2sv)( const GLshort *v );
1611    void (GLAPIENTRYP TexCoord3dv)( const GLdouble *v );
1612    void (GLAPIENTRYP TexCoord3iv)( const GLint *v );
1613    void (GLAPIENTRYP TexCoord3sv)( const GLshort *v );
1614    void (GLAPIENTRYP TexCoord4dv)( const GLdouble *v );
1615    void (GLAPIENTRYP TexCoord4iv)( const GLint *v );
1616    void (GLAPIENTRYP TexCoord4sv)( const GLshort *v );
1617    void (GLAPIENTRYP Vertex2d)( GLdouble x, GLdouble y );
1618    void (GLAPIENTRYP Vertex2i)( GLint x, GLint y );
1619    void (GLAPIENTRYP Vertex2s)( GLshort x, GLshort y );
1620    void (GLAPIENTRYP Vertex3d)( GLdouble x, GLdouble y, GLdouble z );
1621    void (GLAPIENTRYP Vertex3i)( GLint x, GLint y, GLint z );
1622    void (GLAPIENTRYP Vertex3s)( GLshort x, GLshort y, GLshort z );
1623    void (GLAPIENTRYP Vertex4d)( GLdouble x, GLdouble y, GLdouble z, GLdouble w );
1624    void (GLAPIENTRYP Vertex4i)( GLint x, GLint y, GLint z, GLint w );
1625    void (GLAPIENTRYP Vertex4s)( GLshort x, GLshort y, GLshort z, GLshort w );
1626    void (GLAPIENTRYP Vertex2dv)( const GLdouble *v );
1627    void (GLAPIENTRYP Vertex2iv)( const GLint *v );
1628    void (GLAPIENTRYP Vertex2sv)( const GLshort *v );
1629    void (GLAPIENTRYP Vertex3dv)( const GLdouble *v );
1630    void (GLAPIENTRYP Vertex3iv)( const GLint *v );
1631    void (GLAPIENTRYP Vertex3sv)( const GLshort *v );
1632    void (GLAPIENTRYP Vertex4dv)( const GLdouble *v );
1633    void (GLAPIENTRYP Vertex4iv)( const GLint *v );
1634    void (GLAPIENTRYP Vertex4sv)( const GLshort *v );
1635    void (GLAPIENTRYP MultiTexCoord1d)(GLenum target, GLdouble s);
1636    void (GLAPIENTRYP MultiTexCoord1dv)(GLenum target, const GLdouble *v);
1637    void (GLAPIENTRYP MultiTexCoord1i)(GLenum target, GLint s);
1638    void (GLAPIENTRYP MultiTexCoord1iv)(GLenum target, const GLint *v);
1639    void (GLAPIENTRYP MultiTexCoord1s)(GLenum target, GLshort s);
1640    void (GLAPIENTRYP MultiTexCoord1sv)(GLenum target, const GLshort *v);
1641    void (GLAPIENTRYP MultiTexCoord2d)(GLenum target, GLdouble s, GLdouble t);
1642    void (GLAPIENTRYP MultiTexCoord2dv)(GLenum target, const GLdouble *v);
1643    void (GLAPIENTRYP MultiTexCoord2i)(GLenum target, GLint s, GLint t);
1644    void (GLAPIENTRYP MultiTexCoord2iv)(GLenum target, const GLint *v);
1645    void (GLAPIENTRYP MultiTexCoord2s)(GLenum target, GLshort s, GLshort t);
1646    void (GLAPIENTRYP MultiTexCoord2sv)(GLenum target, const GLshort *v);
1647    void (GLAPIENTRYP MultiTexCoord3d)(GLenum target, GLdouble s, GLdouble t, GLdouble r);
1648    void (GLAPIENTRYP MultiTexCoord3dv)(GLenum target, const GLdouble *v);
1649    void (GLAPIENTRYP MultiTexCoord3i)(GLenum target, GLint s, GLint t, GLint r);
1650    void (GLAPIENTRYP MultiTexCoord3iv)(GLenum target, const GLint *v);
1651    void (GLAPIENTRYP MultiTexCoord3s)(GLenum target, GLshort s, GLshort t, GLshort r);
1652    void (GLAPIENTRYP MultiTexCoord3sv)(GLenum target, const GLshort *v);
1653    void (GLAPIENTRYP MultiTexCoord4d)(GLenum target, GLdouble s, GLdouble t, GLdouble r,
1654                                GLdouble q);
1655    void (GLAPIENTRYP MultiTexCoord4dv)(GLenum target, const GLdouble *v);
1656    void (GLAPIENTRYP MultiTexCoord4i)(GLenum target, GLint s, GLint t, GLint r, GLint q);
1657    void (GLAPIENTRYP MultiTexCoord4iv)(GLenum target, const GLint *v);
1658    void (GLAPIENTRYP MultiTexCoord4s)(GLenum target, GLshort s, GLshort t, GLshort r,
1659                                GLshort q);
1660    void (GLAPIENTRYP MultiTexCoord4sv)(GLenum target, const GLshort *v);
1661    void (GLAPIENTRYP EvalCoord2dv)( const GLdouble *u );
1662    void (GLAPIENTRYP EvalCoord2d)( GLdouble u, GLdouble v );
1663    void (GLAPIENTRYP EvalCoord1dv)( const GLdouble *u );
1664    void (GLAPIENTRYP EvalCoord1d)( GLdouble u );
1665    void (GLAPIENTRYP Materialf)( GLenum face, GLenum pname, GLfloat param );
1666    void (GLAPIENTRYP Materiali)(GLenum face, GLenum pname, GLint param );
1667    void (GLAPIENTRYP Materialiv)(GLenum face, GLenum pname, const GLint *params );
1668    void (GLAPIENTRYP SecondaryColor3b)( GLbyte red, GLbyte green, GLbyte blue );
1669    void (GLAPIENTRYP SecondaryColor3d)( GLdouble red, GLdouble green, GLdouble blue );
1670    void (GLAPIENTRYP SecondaryColor3i)( GLint red, GLint green, GLint blue );
1671    void (GLAPIENTRYP SecondaryColor3s)( GLshort red, GLshort green, GLshort blue );
1672    void (GLAPIENTRYP SecondaryColor3ui)( GLuint red, GLuint green, GLuint blue );
1673    void (GLAPIENTRYP SecondaryColor3us)( GLushort red, GLushort green, GLushort blue );
1674    void (GLAPIENTRYP SecondaryColor3ub)( GLubyte red, GLubyte green, GLubyte blue );
1675    void (GLAPIENTRYP SecondaryColor3bv)( const GLbyte *v );
1676    void (GLAPIENTRYP SecondaryColor3dv)( const GLdouble *v );
1677    void (GLAPIENTRYP SecondaryColor3iv)( const GLint *v );
1678    void (GLAPIENTRYP SecondaryColor3sv)( const GLshort *v );
1679    void (GLAPIENTRYP SecondaryColor3uiv)( const GLuint *v );
1680    void (GLAPIENTRYP SecondaryColor3usv)( const GLushort *v );
1681    void (GLAPIENTRYP SecondaryColor3ubv)( const GLubyte *v );
1682    void (GLAPIENTRYP VertexAttrib1sNV)(GLuint index, GLshort x);
1683    void (GLAPIENTRYP VertexAttrib1dNV)(GLuint index, GLdouble x);
1684    void (GLAPIENTRYP VertexAttrib2sNV)(GLuint index, GLshort x, GLshort y);
1685    void (GLAPIENTRYP VertexAttrib2dNV)(GLuint index, GLdouble x, GLdouble y);
1686    void (GLAPIENTRYP VertexAttrib3sNV)(GLuint index, GLshort x, GLshort y, GLshort z);
1687    void (GLAPIENTRYP VertexAttrib3dNV)(GLuint index, GLdouble x, GLdouble y, GLdouble z);
1688    void (GLAPIENTRYP VertexAttrib4sNV)(GLuint index, GLshort x, GLshort y, GLshort z,
1689                              GLshort w);
1690    void (GLAPIENTRYP VertexAttrib4dNV)(GLuint index, GLdouble x, GLdouble y, GLdouble z,
1691                              GLdouble w);
1692    void (GLAPIENTRYP VertexAttrib4ubNV)(GLuint index, GLubyte x, GLubyte y, GLubyte z,
1693                               GLubyte w);
1694    void (GLAPIENTRYP VertexAttrib1svNV)(GLuint index, const GLshort *v);
1695    void (GLAPIENTRYP VertexAttrib1dvNV)(GLuint index, const GLdouble *v);
1696    void (GLAPIENTRYP VertexAttrib2svNV)(GLuint index, const GLshort *v);
1697    void (GLAPIENTRYP VertexAttrib2dvNV)(GLuint index, const GLdouble *v);
1698    void (GLAPIENTRYP VertexAttrib3svNV)(GLuint index, const GLshort *v);
1699    void (GLAPIENTRYP VertexAttrib3dvNV)(GLuint index, const GLdouble *v);
1700    void (GLAPIENTRYP VertexAttrib4svNV)(GLuint index, const GLshort *v);
1701    void (GLAPIENTRYP VertexAttrib4dvNV)(GLuint index, const GLdouble *v);
1702    void (GLAPIENTRYP VertexAttrib4ubvNV)(GLuint index, const GLubyte *v);
1703    void (GLAPIENTRYP VertexAttribs1svNV)(GLuint index, GLsizei n, const GLshort *v);
1704    void (GLAPIENTRYP VertexAttribs1fvNV)(GLuint index, GLsizei n, const GLfloat *v);
1705    void (GLAPIENTRYP VertexAttribs1dvNV)(GLuint index, GLsizei n, const GLdouble *v);
1706    void (GLAPIENTRYP VertexAttribs2svNV)(GLuint index, GLsizei n, const GLshort *v);
1707    void (GLAPIENTRYP VertexAttribs2fvNV)(GLuint index, GLsizei n, const GLfloat *v);
1708    void (GLAPIENTRYP VertexAttribs2dvNV)(GLuint index, GLsizei n, const GLdouble *v);
1709    void (GLAPIENTRYP VertexAttribs3svNV)(GLuint index, GLsizei n, const GLshort *v);
1710    void (GLAPIENTRYP VertexAttribs3fvNV)(GLuint index, GLsizei n, const GLfloat *v);
1711    void (GLAPIENTRYP VertexAttribs3dvNV)(GLuint index, GLsizei n, const GLdouble *v);
1712    void (GLAPIENTRYP VertexAttribs4svNV)(GLuint index, GLsizei n, const GLshort *v);
1713    void (GLAPIENTRYP VertexAttribs4fvNV)(GLuint index, GLsizei n, const GLfloat *v);
1714    void (GLAPIENTRYP VertexAttribs4dvNV)(GLuint index, GLsizei n, const GLdouble *v);
1715    void (GLAPIENTRYP VertexAttribs4ubvNV)(GLuint index, GLsizei n, const GLubyte *v);
1716    void (GLAPIENTRYP VertexAttrib1s)(GLuint index, GLshort x);
1717    void (GLAPIENTRYP VertexAttrib1d)(GLuint index, GLdouble x);
1718    void (GLAPIENTRYP VertexAttrib2s)(GLuint index, GLshort x, GLshort y);
1719    void (GLAPIENTRYP VertexAttrib2d)(GLuint index, GLdouble x, GLdouble y);
1720    void (GLAPIENTRYP VertexAttrib3s)(GLuint index, GLshort x, GLshort y, GLshort z);
1721    void (GLAPIENTRYP VertexAttrib3d)(GLuint index, GLdouble x, GLdouble y, GLdouble z);
1722    void (GLAPIENTRYP VertexAttrib4s)(GLuint index, GLshort x, GLshort y, GLshort z,
1723                               GLshort w);
1724    void (GLAPIENTRYP VertexAttrib4d)(GLuint index, GLdouble x, GLdouble y, GLdouble z,
1725                               GLdouble w);
1726    void (GLAPIENTRYP VertexAttrib1sv)(GLuint index, const GLshort *v);
1727    void (GLAPIENTRYP VertexAttrib1dv)(GLuint index, const GLdouble *v);
1728    void (GLAPIENTRYP VertexAttrib2sv)(GLuint index, const GLshort *v);
1729    void (GLAPIENTRYP VertexAttrib2dv)(GLuint index, const GLdouble *v);
1730    void (GLAPIENTRYP VertexAttrib3sv)(GLuint index, const GLshort *v);
1731    void (GLAPIENTRYP VertexAttrib3dv)(GLuint index, const GLdouble *v);
1732    void (GLAPIENTRYP VertexAttrib4sv)(GLuint index, const GLshort *v);
1733    void (GLAPIENTRYP VertexAttrib4dv)(GLuint index, const GLdouble *v);
1734    void (GLAPIENTRYP VertexAttrib4bv)(GLuint index, const GLbyte * v);
1735    void (GLAPIENTRYP VertexAttrib4iv)(GLuint index, const GLint * v);
1736    void (GLAPIENTRYP VertexAttrib4ubv)(GLuint index, const GLubyte * v);
1737    void (GLAPIENTRYP VertexAttrib4usv)(GLuint index, const GLushort * v);
1738    void (GLAPIENTRYP VertexAttrib4uiv)(GLuint index, const GLuint * v);
1739    void (GLAPIENTRYP VertexAttrib4Nbv)(GLuint index, const GLbyte * v);
1740    void (GLAPIENTRYP VertexAttrib4Nsv)(GLuint index, const GLshort * v);
1741    void (GLAPIENTRYP VertexAttrib4Niv)(GLuint index, const GLint * v);
1742    void (GLAPIENTRYP VertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z,
1743                                 GLubyte w);
1744    void (GLAPIENTRYP VertexAttrib4Nubv)(GLuint index, const GLubyte * v);
1745    void (GLAPIENTRYP VertexAttrib4Nusv)(GLuint index, const GLushort * v);
1746    void (GLAPIENTRYP VertexAttrib4Nuiv)(GLuint index, const GLuint * v);
1747    void (GLAPIENTRYP VertexAttribI1iv)(GLuint index, const GLint *v);
1748    void (GLAPIENTRYP VertexAttribI1uiv)(GLuint index, const GLuint *v);
1749    void (GLAPIENTRYP VertexAttribI4bv)(GLuint index, const GLbyte *v);
1750    void (GLAPIENTRYP VertexAttribI4sv)(GLuint index, const GLshort *v);
1751    void (GLAPIENTRYP VertexAttribI4ubv)(GLuint index, const GLubyte *v);
1752    void (GLAPIENTRYP VertexAttribI4usv)(GLuint index, const GLushort *v);
1753 } GLvertexformat;
1754 
1755 
1756 #endif /* DD_INCLUDED */
1757