2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 * Main Mesa data structures.
30 * Please try to mark derived values with a leading underscore ('_').
37 #include "main/glheader.h"
38 #include "main/config.h"
39 #include "main/mfeatures.h"
40 #include "glapi/glapi.h"
41 #include "math/m_matrix.h" /* GLmatrix */
42 #include "main/simple_list.h" /* struct simple_node */
43 #include "main/formats.h" /* MESA_FORMAT_COUNT */
52 * \name 64-bit extension of GLbitfield.
55 typedef GLuint64 GLbitfield64
;
57 /** Set a single bit */
58 #define BITFIELD64_BIT(b) ((GLbitfield64)1 << (b))
59 /** Set all bits up to excluding bit b */
60 #define BITFIELD64_MASK(b) \
61 ((b) == 64 ? (~(GLbitfield64)0) : BITFIELD64_BIT(b) - 1)
62 /** Set count bits starting from bit b */
63 #define BITFIELD64_RANGE(b, count) \
64 (BITFIELD64_MASK((b) + (count)) & ~BITFIELD64_MASK(b))
68 * \name Some forward type declarations
71 struct _mesa_HashTable
;
72 struct gl_attrib_node
;
73 struct gl_list_extensions
;
75 struct gl_program_cache
;
76 struct gl_texture_object
;
79 struct gl_uniform_storage
;
80 struct prog_instruction
;
81 struct gl_program_parameter_list
;
87 /** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */
88 #define PRIM_OUTSIDE_BEGIN_END (GL_POLYGON+1)
89 #define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
90 #define PRIM_UNKNOWN (GL_POLYGON+3)
95 * Indexes for vertex program attributes.
96 * GL_NV_vertex_program aliases generic attributes over the conventional
97 * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
98 * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
99 * generic attributes are distinct/separate).
104 VERT_ATTRIB_WEIGHT
= 1,
105 VERT_ATTRIB_NORMAL
= 2,
106 VERT_ATTRIB_COLOR0
= 3,
107 VERT_ATTRIB_COLOR1
= 4,
109 VERT_ATTRIB_COLOR_INDEX
= 6,
110 VERT_ATTRIB_EDGEFLAG
= 7,
111 VERT_ATTRIB_TEX0
= 8,
112 VERT_ATTRIB_TEX1
= 9,
113 VERT_ATTRIB_TEX2
= 10,
114 VERT_ATTRIB_TEX3
= 11,
115 VERT_ATTRIB_TEX4
= 12,
116 VERT_ATTRIB_TEX5
= 13,
117 VERT_ATTRIB_TEX6
= 14,
118 VERT_ATTRIB_TEX7
= 15,
119 VERT_ATTRIB_POINT_SIZE
= 16,
120 VERT_ATTRIB_GENERIC0
= 17,
121 VERT_ATTRIB_GENERIC1
= 18,
122 VERT_ATTRIB_GENERIC2
= 19,
123 VERT_ATTRIB_GENERIC3
= 20,
124 VERT_ATTRIB_GENERIC4
= 21,
125 VERT_ATTRIB_GENERIC5
= 22,
126 VERT_ATTRIB_GENERIC6
= 23,
127 VERT_ATTRIB_GENERIC7
= 24,
128 VERT_ATTRIB_GENERIC8
= 25,
129 VERT_ATTRIB_GENERIC9
= 26,
130 VERT_ATTRIB_GENERIC10
= 27,
131 VERT_ATTRIB_GENERIC11
= 28,
132 VERT_ATTRIB_GENERIC12
= 29,
133 VERT_ATTRIB_GENERIC13
= 30,
134 VERT_ATTRIB_GENERIC14
= 31,
135 VERT_ATTRIB_GENERIC15
= 32,
140 * Symbolic constats to help iterating over
141 * specific blocks of vertex attributes.
144 * includes all fixed function attributes as well as
145 * the aliased GL_NV_vertex_program shader attributes.
147 * include the classic texture coordinate attributes.
148 * Is a subset of VERT_ATTRIB_FF.
149 * VERT_ATTRIB_GENERIC_NV
150 * include the NV shader attributes.
151 * Is a subset of VERT_ATTRIB_FF.
152 * VERT_ATTRIB_GENERIC
153 * include the OpenGL 2.0+ GLSL generic shader attributes.
154 * These alias the generic GL_ARB_vertex_shader attributes.
156 #define VERT_ATTRIB_FF(i) (VERT_ATTRIB_POS + (i))
157 #define VERT_ATTRIB_FF_MAX VERT_ATTRIB_GENERIC0
159 #define VERT_ATTRIB_TEX(i) (VERT_ATTRIB_TEX0 + (i))
160 #define VERT_ATTRIB_TEX_MAX MAX_TEXTURE_COORD_UNITS
162 #define VERT_ATTRIB_GENERIC_NV(i) (VERT_ATTRIB_POS + (i))
163 #define VERT_ATTRIB_GENERIC_NV_MAX MAX_VERTEX_GENERIC_ATTRIBS
165 #define VERT_ATTRIB_GENERIC(i) (VERT_ATTRIB_GENERIC0 + (i))
166 #define VERT_ATTRIB_GENERIC_MAX MAX_VERTEX_GENERIC_ATTRIBS
169 * Bitflags for vertex attributes.
170 * These are used in bitfields in many places.
173 #define VERT_BIT_POS BITFIELD64_BIT(VERT_ATTRIB_POS)
174 #define VERT_BIT_WEIGHT BITFIELD64_BIT(VERT_ATTRIB_WEIGHT)
175 #define VERT_BIT_NORMAL BITFIELD64_BIT(VERT_ATTRIB_NORMAL)
176 #define VERT_BIT_COLOR0 BITFIELD64_BIT(VERT_ATTRIB_COLOR0)
177 #define VERT_BIT_COLOR1 BITFIELD64_BIT(VERT_ATTRIB_COLOR1)
178 #define VERT_BIT_FOG BITFIELD64_BIT(VERT_ATTRIB_FOG)
179 #define VERT_BIT_COLOR_INDEX BITFIELD64_BIT(VERT_ATTRIB_COLOR_INDEX)
180 #define VERT_BIT_EDGEFLAG BITFIELD64_BIT(VERT_ATTRIB_EDGEFLAG)
181 #define VERT_BIT_TEX0 BITFIELD64_BIT(VERT_ATTRIB_TEX0)
182 #define VERT_BIT_TEX1 BITFIELD64_BIT(VERT_ATTRIB_TEX1)
183 #define VERT_BIT_TEX2 BITFIELD64_BIT(VERT_ATTRIB_TEX2)
184 #define VERT_BIT_TEX3 BITFIELD64_BIT(VERT_ATTRIB_TEX3)
185 #define VERT_BIT_TEX4 BITFIELD64_BIT(VERT_ATTRIB_TEX4)
186 #define VERT_BIT_TEX5 BITFIELD64_BIT(VERT_ATTRIB_TEX5)
187 #define VERT_BIT_TEX6 BITFIELD64_BIT(VERT_ATTRIB_TEX6)
188 #define VERT_BIT_TEX7 BITFIELD64_BIT(VERT_ATTRIB_TEX7)
189 #define VERT_BIT_POINT_SIZE BITFIELD64_BIT(VERT_ATTRIB_POINT_SIZE)
190 #define VERT_BIT_GENERIC0 BITFIELD64_BIT(VERT_ATTRIB_GENERIC0)
192 #define VERT_BIT(i) BITFIELD64_BIT(i)
193 #define VERT_BIT_ALL BITFIELD64_RANGE(0, VERT_ATTRIB_MAX)
195 #define VERT_BIT_FF(i) VERT_BIT(i)
196 #define VERT_BIT_FF_ALL BITFIELD64_RANGE(0, VERT_ATTRIB_FF_MAX)
197 #define VERT_BIT_TEX(i) VERT_BIT(VERT_ATTRIB_TEX(i))
198 #define VERT_BIT_TEX_ALL \
199 BITFIELD64_RANGE(VERT_ATTRIB_TEX(0), VERT_ATTRIB_TEX_MAX)
201 #define VERT_BIT_GENERIC_NV(i) VERT_BIT(VERT_ATTRIB_GENERIC_NV(i))
202 #define VERT_BIT_GENERIC_NV_ALL \
203 BITFIELD64_RANGE(VERT_ATTRIB_GENERIC_NV(0), VERT_ATTRIB_GENERIC_NV_MAX)
205 #define VERT_BIT_GENERIC(i) VERT_BIT(VERT_ATTRIB_GENERIC(i))
206 #define VERT_BIT_GENERIC_ALL \
207 BITFIELD64_RANGE(VERT_ATTRIB_GENERIC(0), VERT_ATTRIB_GENERIC_MAX)
212 * Indexes for vertex shader outputs, geometry shader inputs/outputs, and
213 * fragment shader inputs.
215 * Note that some of these values are not available to all pipeline stages.
220 VARYING_SLOT_COL0
, /* COL0 and COL1 must be contiguous */
223 VARYING_SLOT_TEX0
, /* TEX0-TEX7 must be contiguous */
231 VARYING_SLOT_PSIZ
, /* Does not appear in FS */
232 VARYING_SLOT_BFC0
, /* Does not appear in FS */
233 VARYING_SLOT_BFC1
, /* Does not appear in FS */
234 VARYING_SLOT_EDGE
, /* Does not appear in FS */
235 VARYING_SLOT_CLIP_VERTEX
, /* Does not appear in FS */
236 VARYING_SLOT_CLIP_DIST0
,
237 VARYING_SLOT_CLIP_DIST1
,
238 VARYING_SLOT_PRIMITIVE_ID
, /* Does not appear in VS */
239 VARYING_SLOT_LAYER
, /* Appears only as GS output */
240 VARYING_SLOT_FACE
, /* FS only */
241 VARYING_SLOT_PNTC
, /* FS only */
242 VARYING_SLOT_VAR0
, /* First generic varying slot */
243 VARYING_SLOT_MAX
= VARYING_SLOT_VAR0
+ MAX_VARYING
248 * Bitflags for varying slots.
251 #define VARYING_BIT_POS BITFIELD64_BIT(VARYING_SLOT_POS)
252 #define VARYING_BIT_COL0 BITFIELD64_BIT(VARYING_SLOT_COL0)
253 #define VARYING_BIT_COL1 BITFIELD64_BIT(VARYING_SLOT_COL1)
254 #define VARYING_BIT_FOGC BITFIELD64_BIT(VARYING_SLOT_FOGC)
255 #define VARYING_BIT_TEX0 BITFIELD64_BIT(VARYING_SLOT_TEX0)
256 #define VARYING_BIT_TEX1 BITFIELD64_BIT(VARYING_SLOT_TEX1)
257 #define VARYING_BIT_TEX2 BITFIELD64_BIT(VARYING_SLOT_TEX2)
258 #define VARYING_BIT_TEX3 BITFIELD64_BIT(VARYING_SLOT_TEX3)
259 #define VARYING_BIT_TEX4 BITFIELD64_BIT(VARYING_SLOT_TEX4)
260 #define VARYING_BIT_TEX5 BITFIELD64_BIT(VARYING_SLOT_TEX5)
261 #define VARYING_BIT_TEX6 BITFIELD64_BIT(VARYING_SLOT_TEX6)
262 #define VARYING_BIT_TEX7 BITFIELD64_BIT(VARYING_SLOT_TEX7)
263 #define VARYING_BIT_TEX(U) BITFIELD64_BIT(VARYING_SLOT_TEX0 + (U))
264 #define VARYING_BITS_TEX_ANY BITFIELD64_RANGE(VARYING_SLOT_TEX0, \
265 MAX_TEXTURE_COORD_UNITS)
266 #define VARYING_BIT_PSIZ BITFIELD64_BIT(VARYING_SLOT_PSIZ)
267 #define VARYING_BIT_BFC0 BITFIELD64_BIT(VARYING_SLOT_BFC0)
268 #define VARYING_BIT_BFC1 BITFIELD64_BIT(VARYING_SLOT_BFC1)
269 #define VARYING_BIT_EDGE BITFIELD64_BIT(VARYING_SLOT_EDGE)
270 #define VARYING_BIT_CLIP_VERTEX BITFIELD64_BIT(VARYING_SLOT_CLIP_VERTEX)
271 #define VARYING_BIT_CLIP_DIST0 BITFIELD64_BIT(VARYING_SLOT_CLIP_DIST0)
272 #define VARYING_BIT_CLIP_DIST1 BITFIELD64_BIT(VARYING_SLOT_CLIP_DIST1)
273 #define VARYING_BIT_PRIMITIVE_ID BITFIELD64_BIT(VARYING_SLOT_PRIMITIVE_ID)
274 #define VARYING_BIT_LAYER BITFIELD64_BIT(VARYING_SLOT_LAYER)
275 #define VARYING_BIT_FACE BITFIELD64_BIT(VARYING_SLOT_FACE)
276 #define VARYING_BIT_PNTC BITFIELD64_BIT(VARYING_SLOT_PNTC)
277 #define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V))
282 * Indexes for vertex program result attributes. Note that
283 * _mesa_vert_result_to_frag_attrib() and _mesa_frag_attrib_to_vert_result() make
284 * assumptions about the layout of this enum.
288 VERT_RESULT_HPOS
= 0,
289 VERT_RESULT_COL0
= 1,
290 VERT_RESULT_COL1
= 2,
291 VERT_RESULT_FOGC
= 3,
292 VERT_RESULT_TEX0
= 4,
293 VERT_RESULT_TEX1
= 5,
294 VERT_RESULT_TEX2
= 6,
295 VERT_RESULT_TEX3
= 7,
296 VERT_RESULT_TEX4
= 8,
297 VERT_RESULT_TEX5
= 9,
298 VERT_RESULT_TEX6
= 10,
299 VERT_RESULT_TEX7
= 11,
300 VERT_RESULT_PSIZ
= 12,
301 VERT_RESULT_BFC0
= 13,
302 VERT_RESULT_BFC1
= 14,
303 VERT_RESULT_EDGE
= 15,
304 VERT_RESULT_CLIP_VERTEX
= 16,
305 VERT_RESULT_CLIP_DIST0
= 17,
306 VERT_RESULT_CLIP_DIST1
= 18,
307 VERT_RESULT_VAR0
= 19, /**< shader varying */
308 VERT_RESULT_MAX
= (VERT_RESULT_VAR0
+ MAX_VARYING
)
312 /*********************************************/
315 * Indexes for geometry program attributes.
319 GEOM_ATTRIB_POSITION
= 0,
320 GEOM_ATTRIB_COLOR0
= 1,
321 GEOM_ATTRIB_COLOR1
= 2,
322 GEOM_ATTRIB_SECONDARY_COLOR0
= 3,
323 GEOM_ATTRIB_SECONDARY_COLOR1
= 4,
324 GEOM_ATTRIB_FOG_FRAG_COORD
= 5,
325 GEOM_ATTRIB_POINT_SIZE
= 6,
326 GEOM_ATTRIB_CLIP_VERTEX
= 7,
327 GEOM_ATTRIB_PRIMITIVE_ID
= 8,
328 GEOM_ATTRIB_TEX_COORD
= 9,
330 GEOM_ATTRIB_VAR0
= 16,
331 GEOM_ATTRIB_MAX
= (GEOM_ATTRIB_VAR0
+ MAX_VARYING
)
335 * Bitflags for geometry attributes.
336 * These are used in bitfields in many places.
339 #define GEOM_BIT_COLOR0 (1 << GEOM_ATTRIB_COLOR0)
340 #define GEOM_BIT_COLOR1 (1 << GEOM_ATTRIB_COLOR1)
341 #define GEOM_BIT_SCOLOR0 (1 << GEOM_ATTRIB_SECONDARY_COLOR0)
342 #define GEOM_BIT_SCOLOR1 (1 << GEOM_ATTRIB_SECONDARY_COLOR1)
343 #define GEOM_BIT_TEX_COORD (1 << GEOM_ATTRIB_TEX_COORD)
344 #define GEOM_BIT_FOG_COORD (1 << GEOM_ATTRIB_FOG_FRAG_COORD)
345 #define GEOM_BIT_POSITION (1 << GEOM_ATTRIB_POSITION)
346 #define GEOM_BIT_POINT_SIDE (1 << GEOM_ATTRIB_POINT_SIZE)
347 #define GEOM_BIT_CLIP_VERTEX (1 << GEOM_ATTRIB_CLIP_VERTEX)
348 #define GEOM_BIT_PRIM_ID (1 << GEOM_ATTRIB_PRIMITIVE_ID)
349 #define GEOM_BIT_VAR0 (1 << GEOM_ATTRIB_VAR0)
351 #define GEOM_BIT_VAR(g) (1 << (GEOM_BIT_VAR0 + (g)))
356 * Indexes for geometry program result attributes
361 GEOM_RESULT_COL0
= 1,
362 GEOM_RESULT_COL1
= 2,
363 GEOM_RESULT_SCOL0
= 3,
364 GEOM_RESULT_SCOL1
= 4,
365 GEOM_RESULT_FOGC
= 5,
366 GEOM_RESULT_TEX0
= 6,
367 GEOM_RESULT_TEX1
= 7,
368 GEOM_RESULT_TEX2
= 8,
369 GEOM_RESULT_TEX3
= 9,
370 GEOM_RESULT_TEX4
= 10,
371 GEOM_RESULT_TEX5
= 11,
372 GEOM_RESULT_TEX6
= 12,
373 GEOM_RESULT_TEX7
= 13,
374 GEOM_RESULT_PSIZ
= 14,
375 GEOM_RESULT_CLPV
= 15,
376 GEOM_RESULT_PRID
= 16,
377 GEOM_RESULT_LAYR
= 17,
378 GEOM_RESULT_VAR0
= 18, /**< shader varying, should really be 16 */
379 /* ### we need to -2 because var0 is 18 instead 16 like in the others */
380 GEOM_RESULT_MAX
= (GEOM_RESULT_VAR0
+ MAX_VARYING
- 2)
385 * Indexes for fragment program input attributes. Note that
386 * _mesa_vert_result_to_frag_attrib() and frag_attrib_to_vert_result() make
387 * assumptions about the layout of this enum.
391 FRAG_ATTRIB_WPOS
= 0,
392 FRAG_ATTRIB_COL0
= 1,
393 FRAG_ATTRIB_COL1
= 2,
394 FRAG_ATTRIB_FOGC
= 3,
395 FRAG_ATTRIB_TEX0
= 4,
396 FRAG_ATTRIB_TEX1
= 5,
397 FRAG_ATTRIB_TEX2
= 6,
398 FRAG_ATTRIB_TEX3
= 7,
399 FRAG_ATTRIB_TEX4
= 8,
400 FRAG_ATTRIB_TEX5
= 9,
401 FRAG_ATTRIB_TEX6
= 10,
402 FRAG_ATTRIB_TEX7
= 11,
403 FRAG_ATTRIB_FACE
= 12, /**< front/back face */
404 FRAG_ATTRIB_PNTC
= 13, /**< sprite/point coord */
405 FRAG_ATTRIB_CLIP_DIST0
= 14,
406 FRAG_ATTRIB_CLIP_DIST1
= 15,
407 FRAG_ATTRIB_VAR0
= 16, /**< shader varying */
408 FRAG_ATTRIB_MAX
= (FRAG_ATTRIB_VAR0
+ MAX_VARYING
)
413 * Convert from a gl_vert_result value to the corresponding gl_frag_attrib.
415 * VERT_RESULT_HPOS is converted to FRAG_ATTRIB_WPOS.
417 * gl_vert_result values which have no corresponding gl_frag_attrib
418 * (VERT_RESULT_PSIZ, VERT_RESULT_BFC0, VERT_RESULT_BFC1, and
419 * VERT_RESULT_EDGE) are converted to a value of -1.
422 _mesa_vert_result_to_frag_attrib(gl_vert_result vert_result
)
424 if (vert_result
>= VERT_RESULT_CLIP_DIST0
)
425 return vert_result
- VERT_RESULT_CLIP_DIST0
+ FRAG_ATTRIB_CLIP_DIST0
;
426 else if (vert_result
<= VERT_RESULT_TEX7
)
434 * Convert from a gl_frag_attrib value to the corresponding gl_vert_result.
436 * FRAG_ATTRIB_WPOS is converted to VERT_RESULT_HPOS.
438 * gl_frag_attrib values which have no corresponding gl_vert_result
439 * (FRAG_ATTRIB_FACE and FRAG_ATTRIB_PNTC) are converted to a value of -1.
442 _mesa_frag_attrib_to_vert_result(gl_frag_attrib frag_attrib
)
444 if (frag_attrib
<= FRAG_ATTRIB_TEX7
)
446 else if (frag_attrib
>= FRAG_ATTRIB_CLIP_DIST0
)
447 return frag_attrib
- FRAG_ATTRIB_CLIP_DIST0
+ VERT_RESULT_CLIP_DIST0
;
454 * Bitflags for fragment program input attributes.
457 #define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
458 #define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
459 #define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
460 #define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
461 #define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE)
462 #define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC)
463 #define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
464 #define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
465 #define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
466 #define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
467 #define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
468 #define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
469 #define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
470 #define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
471 #define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
473 #define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
474 #define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
476 #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
488 * Fragment program results
492 FRAG_RESULT_DEPTH
= 0,
493 FRAG_RESULT_STENCIL
= 1,
494 /* If a single color should be written to all render targets, this
495 * register is written. No FRAG_RESULT_DATAn will be written.
497 FRAG_RESULT_COLOR
= 2,
499 /* FRAG_RESULT_DATAn are the per-render-target (GLSL gl_FragData[n]
500 * or ARB_fragment_program fragment.color[n]) color results. If
501 * any are written, FRAG_RESULT_COLOR will not be written.
503 FRAG_RESULT_DATA0
= 3,
504 FRAG_RESULT_MAX
= (FRAG_RESULT_DATA0
+ MAX_DRAW_BUFFERS
)
509 * Indexes for all renderbuffers
513 /* the four standard color buffers */
521 /* optional aux buffer */
523 /* generic renderbuffers */
536 * Bit flags for all renderbuffers
538 #define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
539 #define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
540 #define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
541 #define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
542 #define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
543 #define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
544 #define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
545 #define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
546 #define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
547 #define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
548 #define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
549 #define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
550 #define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
551 #define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
552 #define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
553 #define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
554 #define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
555 #define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
556 #define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
559 * Mask of all the color buffer bits (but not accum).
561 #define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
562 BUFFER_BIT_BACK_LEFT | \
563 BUFFER_BIT_FRONT_RIGHT | \
564 BUFFER_BIT_BACK_RIGHT | \
566 BUFFER_BIT_COLOR0 | \
567 BUFFER_BIT_COLOR1 | \
568 BUFFER_BIT_COLOR2 | \
569 BUFFER_BIT_COLOR3 | \
570 BUFFER_BIT_COLOR4 | \
571 BUFFER_BIT_COLOR5 | \
572 BUFFER_BIT_COLOR6 | \
577 * Framebuffer configuration (aka visual / pixelformat)
578 * Note: some of these fields should be boolean, but it appears that
579 * code in drivers/dri/common/util.c requires int-sized fields.
585 GLboolean colorIndexMode
; /* XXX is this used anywhere? */
586 GLuint doubleBufferMode
;
589 GLboolean haveAccumBuffer
;
590 GLboolean haveDepthBuffer
;
591 GLboolean haveStencilBuffer
;
593 GLint redBits
, greenBits
, blueBits
, alphaBits
; /* bits per comp */
594 GLuint redMask
, greenMask
, blueMask
, alphaMask
;
595 GLint rgbBits
; /* total bits for rgb */
596 GLint indexBits
; /* total bits for colorindex */
598 GLint accumRedBits
, accumGreenBits
, accumBlueBits
, accumAlphaBits
;
606 /* EXT_visual_rating / GLX 1.2 */
609 /* EXT_visual_info / GLX 1.2 */
610 GLint transparentPixel
;
611 /* colors are floats scaled to ints */
612 GLint transparentRed
, transparentGreen
, transparentBlue
, transparentAlpha
;
613 GLint transparentIndex
;
615 /* ARB_multisample / SGIS_multisample */
619 /* SGIX_pbuffer / GLX 1.3 */
620 GLint maxPbufferWidth
;
621 GLint maxPbufferHeight
;
622 GLint maxPbufferPixels
;
623 GLint optimalPbufferWidth
; /* Only for SGIX_pbuffer. */
624 GLint optimalPbufferHeight
; /* Only for SGIX_pbuffer. */
626 /* OML_swap_method */
629 /* EXT_texture_from_pixmap */
630 GLint bindToTextureRgb
;
631 GLint bindToTextureRgba
;
632 GLint bindToMipmapTexture
;
633 GLint bindToTextureTargets
;
636 /* EXT_framebuffer_sRGB */
642 * \name Bit flags used for updating material values.
645 #define MAT_ATTRIB_FRONT_AMBIENT 0
646 #define MAT_ATTRIB_BACK_AMBIENT 1
647 #define MAT_ATTRIB_FRONT_DIFFUSE 2
648 #define MAT_ATTRIB_BACK_DIFFUSE 3
649 #define MAT_ATTRIB_FRONT_SPECULAR 4
650 #define MAT_ATTRIB_BACK_SPECULAR 5
651 #define MAT_ATTRIB_FRONT_EMISSION 6
652 #define MAT_ATTRIB_BACK_EMISSION 7
653 #define MAT_ATTRIB_FRONT_SHININESS 8
654 #define MAT_ATTRIB_BACK_SHININESS 9
655 #define MAT_ATTRIB_FRONT_INDEXES 10
656 #define MAT_ATTRIB_BACK_INDEXES 11
657 #define MAT_ATTRIB_MAX 12
659 #define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
660 #define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
661 #define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
662 #define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
663 #define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
664 #define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
666 #define MAT_INDEX_AMBIENT 0
667 #define MAT_INDEX_DIFFUSE 1
668 #define MAT_INDEX_SPECULAR 2
670 #define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
671 #define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
672 #define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
673 #define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
674 #define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
675 #define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
676 #define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
677 #define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
678 #define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
679 #define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
680 #define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
681 #define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
684 #define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
685 MAT_BIT_FRONT_AMBIENT | \
686 MAT_BIT_FRONT_DIFFUSE | \
687 MAT_BIT_FRONT_SPECULAR | \
688 MAT_BIT_FRONT_SHININESS | \
689 MAT_BIT_FRONT_INDEXES)
691 #define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
692 MAT_BIT_BACK_AMBIENT | \
693 MAT_BIT_BACK_DIFFUSE | \
694 MAT_BIT_BACK_SPECULAR | \
695 MAT_BIT_BACK_SHININESS | \
696 MAT_BIT_BACK_INDEXES)
698 #define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
707 GLfloat Attrib
[MAT_ATTRIB_MAX
][4];
715 #define LIGHT_SPOT 0x1
716 #define LIGHT_LOCAL_VIEWER 0x2
717 #define LIGHT_POSITIONAL 0x4
718 #define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
723 * Light source state.
727 struct gl_light
*next
; /**< double linked list with sentinel */
728 struct gl_light
*prev
;
730 GLfloat Ambient
[4]; /**< ambient color */
731 GLfloat Diffuse
[4]; /**< diffuse color */
732 GLfloat Specular
[4]; /**< specular color */
733 GLfloat EyePosition
[4]; /**< position in eye coordinates */
734 GLfloat SpotDirection
[4]; /**< spotlight direction in eye coordinates */
735 GLfloat SpotExponent
;
736 GLfloat SpotCutoff
; /**< in degrees */
737 GLfloat _CosCutoff
; /**< = MAX(0, cos(SpotCutoff)) */
738 GLfloat ConstantAttenuation
;
739 GLfloat LinearAttenuation
;
740 GLfloat QuadraticAttenuation
;
741 GLboolean Enabled
; /**< On/off flag */
744 * \name Derived fields
747 GLbitfield _Flags
; /**< Mask of LIGHT_x bits defined above */
749 GLfloat _Position
[4]; /**< position in eye/obj coordinates */
750 GLfloat _VP_inf_norm
[3]; /**< Norm direction to infinite light */
751 GLfloat _h_inf_norm
[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
752 GLfloat _NormSpotDirection
[4]; /**< normalized spotlight direction */
753 GLfloat _VP_inf_spot_attenuation
;
755 GLfloat _MatAmbient
[2][3]; /**< material ambient * light ambient */
756 GLfloat _MatDiffuse
[2][3]; /**< material diffuse * light diffuse */
757 GLfloat _MatSpecular
[2][3]; /**< material spec * light specular */
767 GLfloat Ambient
[4]; /**< ambient color */
768 GLboolean LocalViewer
; /**< Local (or infinite) view point? */
769 GLboolean TwoSide
; /**< Two (or one) sided lighting? */
770 GLenum ColorControl
; /**< either GL_SINGLE_COLOR
771 * or GL_SEPARATE_SPECULAR_COLOR */
776 * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
778 struct gl_accum_attrib
780 GLfloat ClearColor
[4]; /**< Accumulation buffer clear color */
785 * Used for storing clear color, texture border color, etc.
786 * The float values are typically unclamped.
797 * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
799 struct gl_colorbuffer_attrib
801 GLuint ClearIndex
; /**< Index for glClear */
802 union gl_color_union ClearColor
; /**< Color for glClear, unclamped */
803 GLuint IndexMask
; /**< Color index write mask */
804 GLubyte ColorMask
[MAX_DRAW_BUFFERS
][4]; /**< Each flag is 0xff or 0x0 */
806 GLenum DrawBuffer
[MAX_DRAW_BUFFERS
]; /**< Which buffer to draw into */
809 * \name alpha testing
812 GLboolean AlphaEnabled
; /**< Alpha test enabled flag */
813 GLenum AlphaFunc
; /**< Alpha test function */
814 GLfloat AlphaRefUnclamped
;
815 GLclampf AlphaRef
; /**< Alpha reference value */
822 GLbitfield BlendEnabled
; /**< Per-buffer blend enable flags */
824 /* NOTE: this does _not_ depend on fragment clamping or any other clamping
825 * control, only on the fixed-pointness of the render target.
826 * The query does however depend on fragment color clamping.
828 GLfloat BlendColorUnclamped
[4]; /**< Blending color */
829 GLfloat BlendColor
[4]; /**< Blending color */
833 GLenum SrcRGB
; /**< RGB blend source term */
834 GLenum DstRGB
; /**< RGB blend dest term */
835 GLenum SrcA
; /**< Alpha blend source term */
836 GLenum DstA
; /**< Alpha blend dest term */
837 GLenum EquationRGB
; /**< GL_ADD, GL_SUBTRACT, etc. */
838 GLenum EquationA
; /**< GL_ADD, GL_SUBTRACT, etc. */
840 * Set if any blend factor uses SRC1. Computed at the time blend factors
843 GLboolean _UsesDualSrc
;
844 } Blend
[MAX_DRAW_BUFFERS
];
845 /** Are the blend func terms currently different for each buffer/target? */
846 GLboolean _BlendFuncPerBuffer
;
847 /** Are the blend equations currently different for each buffer/target? */
848 GLboolean _BlendEquationPerBuffer
;
855 GLenum LogicOp
; /**< Logic operator */
856 GLboolean IndexLogicOpEnabled
; /**< Color index logic op enabled flag */
857 GLboolean ColorLogicOpEnabled
; /**< RGBA logic op enabled flag */
860 GLboolean DitherFlag
; /**< Dither enable flag */
862 GLenum ClampFragmentColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
863 GLboolean _ClampFragmentColor
; /** < with GL_FIXED_ONLY_ARB resolved */
864 GLenum ClampReadColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
865 GLboolean _ClampReadColor
; /** < with GL_FIXED_ONLY_ARB resolved */
867 GLboolean sRGBEnabled
; /**< Framebuffer sRGB blending/updating requested */
872 * Current attribute group (GL_CURRENT_BIT).
874 struct gl_current_attrib
877 * \name Current vertex attributes.
878 * \note Values are valid only after FLUSH_VERTICES has been called.
879 * \note Index and Edgeflag current values are stored as floats in the
880 * SIX and SEVEN attribute slots.
882 GLfloat Attrib
[VERT_ATTRIB_MAX
][4]; /**< Position, color, texcoords, etc */
885 * \name Current raster position attributes (always valid).
886 * \note This set of attributes is very similar to the SWvertex struct.
889 GLfloat RasterPos
[4];
890 GLfloat RasterDistance
;
891 GLfloat RasterColor
[4];
892 GLfloat RasterSecondaryColor
[4];
893 GLfloat RasterTexCoords
[MAX_TEXTURE_COORD_UNITS
][4];
894 GLboolean RasterPosValid
;
900 * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
902 struct gl_depthbuffer_attrib
904 GLenum Func
; /**< Function for depth buffer compare */
905 GLclampd Clear
; /**< Value to clear depth buffer to */
906 GLboolean Test
; /**< Depth buffering enabled flag */
907 GLboolean Mask
; /**< Depth buffer writable? */
908 GLboolean BoundsTest
; /**< GL_EXT_depth_bounds_test */
909 GLfloat BoundsMin
, BoundsMax
;/**< GL_EXT_depth_bounds_test */
914 * Evaluator attribute group (GL_EVAL_BIT).
916 struct gl_eval_attrib
922 GLboolean Map1Color4
;
924 GLboolean Map1Normal
;
925 GLboolean Map1TextureCoord1
;
926 GLboolean Map1TextureCoord2
;
927 GLboolean Map1TextureCoord3
;
928 GLboolean Map1TextureCoord4
;
929 GLboolean Map1Vertex3
;
930 GLboolean Map1Vertex4
;
931 GLboolean Map2Color4
;
933 GLboolean Map2Normal
;
934 GLboolean Map2TextureCoord1
;
935 GLboolean Map2TextureCoord2
;
936 GLboolean Map2TextureCoord3
;
937 GLboolean Map2TextureCoord4
;
938 GLboolean Map2Vertex3
;
939 GLboolean Map2Vertex4
;
940 GLboolean AutoNormal
;
944 * \name Map Grid endpoints and divisions and calculated du values
948 GLfloat MapGrid1u1
, MapGrid1u2
, MapGrid1du
;
949 GLint MapGrid2un
, MapGrid2vn
;
950 GLfloat MapGrid2u1
, MapGrid2u2
, MapGrid2du
;
951 GLfloat MapGrid2v1
, MapGrid2v2
, MapGrid2dv
;
957 * Fog attribute group (GL_FOG_BIT).
961 GLboolean Enabled
; /**< Fog enabled flag */
962 GLfloat ColorUnclamped
[4]; /**< Fog color */
963 GLfloat Color
[4]; /**< Fog color */
964 GLfloat Density
; /**< Density >= 0.0 */
965 GLfloat Start
; /**< Start distance in eye coords */
966 GLfloat End
; /**< End distance in eye coords */
967 GLfloat Index
; /**< Fog index */
968 GLenum Mode
; /**< Fog mode */
969 GLboolean ColorSumEnabled
;
970 GLenum FogCoordinateSource
; /**< GL_EXT_fog_coord */
971 GLfloat _Scale
; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
972 GLenum FogDistanceMode
; /**< GL_NV_fog_distance */
977 * Hint attribute group (GL_HINT_BIT).
979 * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
981 struct gl_hint_attrib
983 GLenum PerspectiveCorrection
;
986 GLenum PolygonSmooth
;
988 GLenum ClipVolumeClipping
; /**< GL_EXT_clip_volume_hint */
989 GLenum TextureCompression
; /**< GL_ARB_texture_compression */
990 GLenum GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
991 GLenum FragmentShaderDerivative
; /**< GL_ARB_fragment_shader */
996 * Lighting attribute group (GL_LIGHT_BIT).
998 struct gl_light_attrib
1000 struct gl_light Light
[MAX_LIGHTS
]; /**< Array of light sources */
1001 struct gl_lightmodel Model
; /**< Lighting model */
1004 * Front and back material values.
1005 * Note: must call FLUSH_VERTICES() before using.
1007 struct gl_material Material
;
1009 GLboolean Enabled
; /**< Lighting enabled flag */
1010 GLenum ShadeModel
; /**< GL_FLAT or GL_SMOOTH */
1011 GLenum ProvokingVertex
; /**< GL_EXT_provoking_vertex */
1012 GLenum ColorMaterialFace
; /**< GL_FRONT, BACK or FRONT_AND_BACK */
1013 GLenum ColorMaterialMode
; /**< GL_AMBIENT, GL_DIFFUSE, etc */
1014 GLbitfield _ColorMaterialBitmask
; /**< bitmask formed from Face and Mode */
1015 GLboolean ColorMaterialEnabled
;
1016 GLenum ClampVertexColor
; /**< GL_TRUE, GL_FALSE, GL_FIXED_ONLY */
1017 GLboolean _ClampVertexColor
;
1019 struct gl_light EnabledList
; /**< List sentinel */
1022 * Derived state for optimizations:
1025 GLboolean _NeedEyeCoords
;
1026 GLboolean _NeedVertices
; /**< Use fast shader? */
1027 GLfloat _BaseColor
[2][3];
1033 * Line attribute group (GL_LINE_BIT).
1035 struct gl_line_attrib
1037 GLboolean SmoothFlag
; /**< GL_LINE_SMOOTH enabled? */
1038 GLboolean StippleFlag
; /**< GL_LINE_STIPPLE enabled? */
1039 GLushort StipplePattern
; /**< Stipple pattern */
1040 GLint StippleFactor
; /**< Stipple repeat factor */
1041 GLfloat Width
; /**< Line width */
1046 * Display list attribute group (GL_LIST_BIT).
1048 struct gl_list_attrib
1055 * Multisample attribute group (GL_MULTISAMPLE_BIT).
1057 struct gl_multisample_attrib
1060 GLboolean _Enabled
; /**< true if Enabled and multisample buffer */
1061 GLboolean SampleAlphaToCoverage
;
1062 GLboolean SampleAlphaToOne
;
1063 GLboolean SampleCoverage
;
1064 GLfloat SampleCoverageValue
;
1065 GLboolean SampleCoverageInvert
;
1067 /* ARB_texture_multisample / GL3.2 additions */
1068 GLboolean SampleMask
;
1069 GLbitfield SampleMaskValue
; /* GL spec defines this as an array but >32x MSAA is
1076 * A pixelmap (see glPixelMap)
1081 GLfloat Map
[MAX_PIXEL_MAP_TABLE
];
1086 * Collection of all pixelmaps
1090 struct gl_pixelmap RtoR
; /**< i.e. GL_PIXEL_MAP_R_TO_R */
1091 struct gl_pixelmap GtoG
;
1092 struct gl_pixelmap BtoB
;
1093 struct gl_pixelmap AtoA
;
1094 struct gl_pixelmap ItoR
;
1095 struct gl_pixelmap ItoG
;
1096 struct gl_pixelmap ItoB
;
1097 struct gl_pixelmap ItoA
;
1098 struct gl_pixelmap ItoI
;
1099 struct gl_pixelmap StoS
;
1104 * Pixel attribute group (GL_PIXEL_MODE_BIT).
1106 struct gl_pixel_attrib
1108 GLenum ReadBuffer
; /**< source buffer for glRead/CopyPixels() */
1110 /*--- Begin Pixel Transfer State ---*/
1111 /* Fields are in the order in which they're applied... */
1113 /** Scale & Bias (index shift, offset) */
1115 GLfloat RedBias
, RedScale
;
1116 GLfloat GreenBias
, GreenScale
;
1117 GLfloat BlueBias
, BlueScale
;
1118 GLfloat AlphaBias
, AlphaScale
;
1119 GLfloat DepthBias
, DepthScale
;
1120 GLint IndexShift
, IndexOffset
;
1124 /* Note: actual pixel maps are not part of this attrib group */
1125 GLboolean MapColorFlag
;
1126 GLboolean MapStencilFlag
;
1128 /*--- End Pixel Transfer State ---*/
1131 GLfloat ZoomX
, ZoomY
;
1136 * Point attribute group (GL_POINT_BIT).
1138 struct gl_point_attrib
1140 GLboolean SmoothFlag
; /**< True if GL_POINT_SMOOTH is enabled */
1141 GLfloat Size
; /**< User-specified point size */
1142 GLfloat Params
[3]; /**< GL_EXT_point_parameters */
1143 GLfloat MinSize
, MaxSize
; /**< GL_EXT_point_parameters */
1144 GLfloat Threshold
; /**< GL_EXT_point_parameters */
1145 GLboolean _Attenuated
; /**< True if Params != [1, 0, 0] */
1146 GLboolean PointSprite
; /**< GL_NV/ARB_point_sprite */
1147 GLboolean CoordReplace
[MAX_TEXTURE_COORD_UNITS
]; /**< GL_ARB_point_sprite*/
1148 GLenum SpriteRMode
; /**< GL_NV_point_sprite (only!) */
1149 GLenum SpriteOrigin
; /**< GL_ARB_point_sprite */
1154 * Polygon attribute group (GL_POLYGON_BIT).
1156 struct gl_polygon_attrib
1158 GLenum FrontFace
; /**< Either GL_CW or GL_CCW */
1159 GLenum FrontMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1160 GLenum BackMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1161 GLboolean _FrontBit
; /**< 0=GL_CCW, 1=GL_CW */
1162 GLboolean CullFlag
; /**< Culling on/off flag */
1163 GLboolean SmoothFlag
; /**< True if GL_POLYGON_SMOOTH is enabled */
1164 GLboolean StippleFlag
; /**< True if GL_POLYGON_STIPPLE is enabled */
1165 GLenum CullFaceMode
; /**< Culling mode GL_FRONT or GL_BACK */
1166 GLfloat OffsetFactor
; /**< Polygon offset factor, from user */
1167 GLfloat OffsetUnits
; /**< Polygon offset units, from user */
1168 GLboolean OffsetPoint
; /**< Offset in GL_POINT mode */
1169 GLboolean OffsetLine
; /**< Offset in GL_LINE mode */
1170 GLboolean OffsetFill
; /**< Offset in GL_FILL mode */
1175 * Scissor attributes (GL_SCISSOR_BIT).
1177 struct gl_scissor_attrib
1179 GLboolean Enabled
; /**< Scissor test enabled? */
1180 GLint X
, Y
; /**< Lower left corner of box */
1181 GLsizei Width
, Height
; /**< Size of box */
1186 * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
1188 * Three sets of stencil data are tracked so that OpenGL 2.0,
1189 * GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported
1190 * simultaneously. In each of the stencil state arrays, element 0 corresponds
1191 * to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 /
1192 * GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the
1193 * GL_EXT_stencil_two_side GL_BACK state.
1195 * The derived value \c _BackFace is either 1 or 2 depending on whether or
1196 * not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled.
1198 * The derived value \c _TestTwoSide is set when the front-face and back-face
1199 * stencil state are different.
1201 struct gl_stencil_attrib
1203 GLboolean Enabled
; /**< Enabled flag */
1204 GLboolean TestTwoSide
; /**< GL_EXT_stencil_two_side */
1205 GLubyte ActiveFace
; /**< GL_EXT_stencil_two_side (0 or 2) */
1206 GLboolean _Enabled
; /**< Enabled and stencil buffer present */
1207 GLboolean _TestTwoSide
;
1208 GLubyte _BackFace
; /**< Current back stencil state (1 or 2) */
1209 GLenum Function
[3]; /**< Stencil function */
1210 GLenum FailFunc
[3]; /**< Fail function */
1211 GLenum ZPassFunc
[3]; /**< Depth buffer pass function */
1212 GLenum ZFailFunc
[3]; /**< Depth buffer fail function */
1213 GLint Ref
[3]; /**< Reference value */
1214 GLuint ValueMask
[3]; /**< Value mask */
1215 GLuint WriteMask
[3]; /**< Write mask */
1216 GLuint Clear
; /**< Clear value */
1221 * An index for each type of texture object. These correspond to the GL
1222 * texture target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc.
1223 * Note: the order is from highest priority to lowest priority.
1227 TEXTURE_2D_MULTISAMPLE_INDEX
,
1228 TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
,
1229 TEXTURE_CUBE_ARRAY_INDEX
,
1230 TEXTURE_BUFFER_INDEX
,
1231 TEXTURE_2D_ARRAY_INDEX
,
1232 TEXTURE_1D_ARRAY_INDEX
,
1233 TEXTURE_EXTERNAL_INDEX
,
1244 * Bit flags for each type of texture object
1245 * Used for Texture.Unit[]._ReallyEnabled flags.
1248 #define TEXTURE_2D_MULTISAMPLE_BIT (1 << TEXTURE_2D_MULTISAMPLE_INDEX)
1249 #define TEXTURE_2D_MULTISAMPLE_ARRAY_BIT (1 << TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX)
1250 #define TEXTURE_CUBE_ARRAY_BIT (1 << TEXTURE_CUBE_ARRAY_INDEX)
1251 #define TEXTURE_BUFFER_BIT (1 << TEXTURE_BUFFER_INDEX)
1252 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
1253 #define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
1254 #define TEXTURE_EXTERNAL_BIT (1 << TEXTURE_EXTERNAL_INDEX)
1255 #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
1256 #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
1257 #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
1258 #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
1259 #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
1264 * Texture image state. Drivers will typically create a subclass of this
1265 * with extra fields for memory buffers, etc.
1267 struct gl_texture_image
1269 GLint InternalFormat
; /**< Internal format as given by the user */
1270 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1271 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1272 * GL_INTENSITY, GL_DEPTH_COMPONENT or
1273 * GL_DEPTH_STENCIL_EXT only. Used for
1274 * choosing TexEnv arithmetic.
1276 gl_format TexFormat
; /**< The actual texture memory format */
1278 GLuint Border
; /**< 0 or 1 */
1279 GLuint Width
; /**< = 2^WidthLog2 + 2*Border */
1280 GLuint Height
; /**< = 2^HeightLog2 + 2*Border */
1281 GLuint Depth
; /**< = 2^DepthLog2 + 2*Border */
1282 GLuint Width2
; /**< = Width - 2*Border */
1283 GLuint Height2
; /**< = Height - 2*Border */
1284 GLuint Depth2
; /**< = Depth - 2*Border */
1285 GLuint WidthLog2
; /**< = log2(Width2) */
1286 GLuint HeightLog2
; /**< = log2(Height2) */
1287 GLuint DepthLog2
; /**< = log2(Depth2) */
1288 GLuint MaxNumLevels
; /**< = maximum possible number of mipmap
1289 levels, computed from the dimensions */
1291 struct gl_texture_object
*TexObject
; /**< Pointer back to parent object */
1292 GLuint Level
; /**< Which mipmap level am I? */
1293 /** Cube map face: index into gl_texture_object::Image[] array */
1296 /** GL_ARB_texture_multisample */
1297 GLuint NumSamples
; /**< Sample count, or 0 for non-multisample */
1298 GLboolean FixedSampleLocations
; /**< Same sample locations for all pixels? */
1303 * Indexes for cube map faces.
1318 * Sampler object state. These objects are new with GL_ARB_sampler_objects
1319 * and OpenGL 3.3. Legacy texture objects also contain a sampler object.
1321 struct gl_sampler_object
1326 GLenum WrapS
; /**< S-axis texture image wrap mode */
1327 GLenum WrapT
; /**< T-axis texture image wrap mode */
1328 GLenum WrapR
; /**< R-axis texture image wrap mode */
1329 GLenum MinFilter
; /**< minification filter */
1330 GLenum MagFilter
; /**< magnification filter */
1331 union gl_color_union BorderColor
; /**< Interpreted according to texture format */
1332 GLfloat MinLod
; /**< min lambda, OpenGL 1.2 */
1333 GLfloat MaxLod
; /**< max lambda, OpenGL 1.2 */
1334 GLfloat LodBias
; /**< OpenGL 1.4 */
1335 GLfloat MaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
1336 GLenum CompareMode
; /**< GL_ARB_shadow */
1337 GLenum CompareFunc
; /**< GL_ARB_shadow */
1338 GLenum sRGBDecode
; /**< GL_DECODE_EXT or GL_SKIP_DECODE_EXT */
1339 GLboolean CubeMapSeamless
; /**< GL_AMD_seamless_cubemap_per_texture */
1344 * Texture object state. Contains the array of mipmap images, border color,
1345 * wrap modes, filter modes, and shadow/texcompare state.
1347 struct gl_texture_object
1349 _glthread_Mutex Mutex
; /**< for thread safety */
1350 GLint RefCount
; /**< reference count */
1351 GLuint Name
; /**< the user-visible texture object ID */
1352 GLenum Target
; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
1354 struct gl_sampler_object Sampler
;
1356 GLenum DepthMode
; /**< GL_ARB_depth_texture */
1358 GLfloat Priority
; /**< in [0,1] */
1359 GLint BaseLevel
; /**< min mipmap level, OpenGL 1.2 */
1360 GLint MaxLevel
; /**< max mipmap level, OpenGL 1.2 */
1361 GLint _MaxLevel
; /**< actual max mipmap level (q in the spec) */
1362 GLfloat _MaxLambda
; /**< = _MaxLevel - BaseLevel (q - b in spec) */
1363 GLint CropRect
[4]; /**< GL_OES_draw_texture */
1364 GLenum Swizzle
[4]; /**< GL_EXT_texture_swizzle */
1365 GLuint _Swizzle
; /**< same as Swizzle, but SWIZZLE_* format */
1366 GLboolean GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
1367 GLboolean _BaseComplete
; /**< Is the base texture level valid? */
1368 GLboolean _MipmapComplete
; /**< Is the whole mipmap valid? */
1369 GLboolean _IsIntegerFormat
; /**< Does the texture store integer values? */
1370 GLboolean _RenderToTexture
; /**< Any rendering to this texture? */
1371 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
1372 GLboolean Immutable
; /**< GL_ARB_texture_storage */
1374 /** Actual texture images, indexed by [cube face] and [mipmap level] */
1375 struct gl_texture_image
*Image
[MAX_FACES
][MAX_TEXTURE_LEVELS
];
1377 /** GL_ARB_texture_buffer_object */
1378 struct gl_buffer_object
*BufferObject
;
1379 GLenum BufferObjectFormat
;
1380 /** Equivalent Mesa format for BufferObjectFormat. */
1381 gl_format _BufferObjectFormat
;
1382 /** GL_ARB_texture_buffer_range */
1383 GLintptr BufferOffset
;
1384 GLsizeiptr BufferSize
; /**< if this is -1, use BufferObject->Size instead */
1386 /** GL_OES_EGL_image_external */
1387 GLint RequiredTextureImageUnits
;
1391 /** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */
1392 #define MAX_COMBINER_TERMS 4
1396 * Texture combine environment state.
1398 struct gl_tex_env_combine_state
1400 GLenum ModeRGB
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1401 GLenum ModeA
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1402 /** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */
1403 GLenum SourceRGB
[MAX_COMBINER_TERMS
];
1404 GLenum SourceA
[MAX_COMBINER_TERMS
];
1405 /** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */
1406 GLenum OperandRGB
[MAX_COMBINER_TERMS
];
1407 GLenum OperandA
[MAX_COMBINER_TERMS
];
1408 GLuint ScaleShiftRGB
; /**< 0, 1 or 2 */
1409 GLuint ScaleShiftA
; /**< 0, 1 or 2 */
1410 GLuint _NumArgsRGB
; /**< Number of inputs used for the RGB combiner */
1411 GLuint _NumArgsA
; /**< Number of inputs used for the A combiner */
1416 * TexGenEnabled flags.
1423 #define STR_BITS (S_BIT | T_BIT | R_BIT)
1428 * Bit flag versions of the corresponding GL_ constants.
1431 #define TEXGEN_SPHERE_MAP 0x1
1432 #define TEXGEN_OBJ_LINEAR 0x2
1433 #define TEXGEN_EYE_LINEAR 0x4
1434 #define TEXGEN_REFLECTION_MAP_NV 0x8
1435 #define TEXGEN_NORMAL_MAP_NV 0x10
1437 #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
1438 TEXGEN_REFLECTION_MAP_NV | \
1439 TEXGEN_NORMAL_MAP_NV)
1440 #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
1441 TEXGEN_REFLECTION_MAP_NV | \
1442 TEXGEN_NORMAL_MAP_NV | \
1448 /** Tex-gen enabled for texture unit? */
1449 #define ENABLE_TEXGEN(unit) (1 << (unit))
1451 /** Non-identity texture matrix for texture unit? */
1452 #define ENABLE_TEXMAT(unit) (1 << (unit))
1456 * Texture coord generation state.
1460 GLenum Mode
; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */
1461 GLbitfield _ModeBit
; /**< TEXGEN_x bit corresponding to Mode */
1462 GLfloat ObjectPlane
[4];
1463 GLfloat EyePlane
[4];
1468 * Texture unit state. Contains enable flags, texture environment/function/
1469 * combiners, texgen state, and pointers to current texture objects.
1471 struct gl_texture_unit
1473 GLbitfield Enabled
; /**< bitmask of TEXTURE_*_BIT flags */
1474 GLbitfield _ReallyEnabled
; /**< 0 or exactly one of TEXTURE_*_BIT flags */
1476 GLenum EnvMode
; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
1477 GLclampf EnvColor
[4];
1478 GLfloat EnvColorUnclamped
[4];
1480 struct gl_texgen GenS
;
1481 struct gl_texgen GenT
;
1482 struct gl_texgen GenR
;
1483 struct gl_texgen GenQ
;
1484 GLbitfield TexGenEnabled
; /**< Bitwise-OR of [STRQ]_BIT values */
1485 GLbitfield _GenFlags
; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
1487 GLfloat LodBias
; /**< for biasing mipmap levels */
1489 GLfloat RotMatrix
[4]; /* 2x2 matrix */
1491 /** Current sampler object (GL_ARB_sampler_objects) */
1492 struct gl_sampler_object
*Sampler
;
1495 * \name GL_EXT_texture_env_combine
1497 struct gl_tex_env_combine_state Combine
;
1500 * Derived state based on \c EnvMode and the \c BaseFormat of the
1501 * currently enabled texture.
1503 struct gl_tex_env_combine_state _EnvMode
;
1506 * Currently enabled combiner state. This will point to either
1507 * \c Combine or \c _EnvMode.
1509 struct gl_tex_env_combine_state
*_CurrentCombine
;
1511 /** Current texture object pointers */
1512 struct gl_texture_object
*CurrentTex
[NUM_TEXTURE_TARGETS
];
1514 /** Points to highest priority, complete and enabled texture object */
1515 struct gl_texture_object
*_Current
;
1520 * Texture attribute group (GL_TEXTURE_BIT).
1522 struct gl_texture_attrib
1524 GLuint CurrentUnit
; /**< GL_ACTIVE_TEXTURE */
1525 struct gl_texture_unit Unit
[MAX_COMBINED_TEXTURE_IMAGE_UNITS
];
1527 struct gl_texture_object
*ProxyTex
[NUM_TEXTURE_TARGETS
];
1529 /** GL_ARB_texture_buffer_object */
1530 struct gl_buffer_object
*BufferObject
;
1532 /** GL_ARB_seamless_cubemap */
1533 GLboolean CubeMapSeamless
;
1535 /** Texture units/samplers used by vertex or fragment texturing */
1536 GLbitfield _EnabledUnits
;
1538 /** Texture coord units/sets used for fragment texturing */
1539 GLbitfield _EnabledCoordUnits
;
1541 /** Texture coord units that have texgen enabled */
1542 GLbitfield _TexGenEnabled
;
1544 /** Texture coord units that have non-identity matrices */
1545 GLbitfield _TexMatEnabled
;
1547 /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
1548 GLbitfield _GenFlags
;
1553 * Data structure representing a single clip plane (e.g. one of the elements
1554 * of the ctx->Transform.EyeUserPlane or ctx->Transform._ClipUserPlane array).
1556 typedef GLfloat gl_clip_plane
[4];
1560 * Transformation attribute group (GL_TRANSFORM_BIT).
1562 struct gl_transform_attrib
1564 GLenum MatrixMode
; /**< Matrix mode */
1565 gl_clip_plane EyeUserPlane
[MAX_CLIP_PLANES
]; /**< User clip planes */
1566 gl_clip_plane _ClipUserPlane
[MAX_CLIP_PLANES
]; /**< derived */
1567 GLbitfield ClipPlanesEnabled
; /**< on/off bitmask */
1568 GLboolean Normalize
; /**< Normalize all normals? */
1569 GLboolean RescaleNormals
; /**< GL_EXT_rescale_normal */
1570 GLboolean RasterPositionUnclipped
; /**< GL_IBM_rasterpos_clip */
1571 GLboolean DepthClamp
; /**< GL_ARB_depth_clamp */
1573 GLfloat CullEyePos
[4];
1574 GLfloat CullObjPos
[4];
1579 * Viewport attribute group (GL_VIEWPORT_BIT).
1581 struct gl_viewport_attrib
1583 GLint X
, Y
; /**< position */
1584 GLsizei Width
, Height
; /**< size */
1585 GLfloat Near
, Far
; /**< Depth buffer range */
1586 GLmatrix _WindowMap
; /**< Mapping transformation as a matrix. */
1591 * GL_ARB_vertex/pixel_buffer_object buffer object
1593 struct gl_buffer_object
1595 _glthread_Mutex Mutex
;
1598 GLenum Usage
; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */
1599 GLsizeiptrARB Size
; /**< Size of buffer storage in bytes */
1600 GLubyte
*Data
; /**< Location of storage either in RAM or VRAM. */
1601 /** Fields describing a mapped buffer */
1603 GLbitfield AccessFlags
; /**< Mask of GL_MAP_x_BIT flags */
1604 GLvoid
*Pointer
; /**< User-space address of mapping */
1605 GLintptr Offset
; /**< Mapped offset */
1606 GLsizeiptr Length
; /**< Mapped length */
1608 GLboolean DeletePending
; /**< true if buffer object is removed from the hash */
1609 GLboolean Written
; /**< Ever written to? (for debugging) */
1610 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
1615 * Client pixel packing/unpacking attributes
1617 struct gl_pixelstore_attrib
1625 GLboolean SwapBytes
;
1627 GLboolean Invert
; /**< GL_MESA_pack_invert */
1628 struct gl_buffer_object
*BufferObj
; /**< GL_ARB_pixel_buffer_object */
1633 * Client vertex array attributes
1635 struct gl_client_array
1637 GLint Size
; /**< components per element (1,2,3,4) */
1638 GLenum Type
; /**< datatype: GL_FLOAT, GL_INT, etc */
1639 GLenum Format
; /**< default: GL_RGBA, but may be GL_BGRA */
1640 GLsizei Stride
; /**< user-specified stride */
1641 GLsizei StrideB
; /**< actual stride in bytes */
1642 const GLubyte
*Ptr
; /**< Points to array data */
1643 GLboolean Enabled
; /**< Enabled flag is a boolean */
1644 GLboolean Normalized
; /**< GL_ARB_vertex_program */
1645 GLboolean Integer
; /**< Integer-valued? */
1646 GLuint InstanceDivisor
; /**< GL_ARB_instanced_arrays */
1647 GLuint _ElementSize
; /**< size of each element in bytes */
1649 struct gl_buffer_object
*BufferObj
;/**< GL_ARB_vertex_buffer_object */
1650 GLuint _MaxElement
; /**< max element index into array buffer + 1 */
1655 * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
1656 * extension, but a nice encapsulation in any case.
1658 struct gl_array_object
1660 /** Name of the array object as received from glGenVertexArrayAPPLE. */
1664 _glthread_Mutex Mutex
;
1667 * Does the VAO use ARB semantics or Apple semantics?
1669 * There are several ways in which ARB_vertex_array_object and
1670 * APPLE_vertex_array_object VAOs have differing semantics. At the very
1673 * - ARB VAOs require that all array data be sourced from vertex buffer
1674 * objects, but Apple VAOs do not.
1676 * - ARB VAOs require that names come from GenVertexArrays.
1678 * This flag notes which behavior governs this VAO.
1680 GLboolean ARBsemantics
;
1683 * Has this array object been bound?
1685 GLboolean EverBound
;
1687 /** Vertex attribute arrays */
1688 struct gl_client_array VertexAttrib
[VERT_ATTRIB_MAX
];
1690 /** Mask of VERT_BIT_* values indicating which arrays are enabled */
1691 GLbitfield64 _Enabled
;
1693 /** Mask of VERT_BIT_* values indicating changed/dirty arrays */
1694 GLbitfield64 NewArrays
;
1697 * Min of all enabled arrays' _MaxElement. When arrays reside inside VBOs
1698 * we can determine the max legal (in bounds) glDrawElements array index.
1702 struct gl_buffer_object
*ElementArrayBufferObj
;
1707 * Vertex array state
1709 struct gl_array_attrib
1711 /** Currently bound array object. See _mesa_BindVertexArrayAPPLE() */
1712 struct gl_array_object
*ArrayObj
;
1714 /** The default vertex array object */
1715 struct gl_array_object
*DefaultArrayObj
;
1717 /** Array objects (GL_ARB/APPLE_vertex_array_object) */
1718 struct _mesa_HashTable
*Objects
;
1720 GLint ActiveTexture
; /**< Client Active Texture */
1721 GLuint LockFirst
; /**< GL_EXT_compiled_vertex_array */
1722 GLuint LockCount
; /**< GL_EXT_compiled_vertex_array */
1725 * \name Primitive restart controls
1727 * Primitive restart is enabled if either \c PrimitiveRestart or
1728 * \c PrimitiveRestart is set. If \c PrimitiveRestart is set, then
1729 * \c RestartIndex is used as the cut vertex. Otherwise ~0 is used.
1732 GLboolean PrimitiveRestart
;
1733 GLboolean PrimitiveRestartFixedIndex
;
1734 GLboolean _PrimitiveRestart
;
1735 GLuint RestartIndex
;
1736 GLuint _RestartIndex
;
1739 /* GL_ARB_vertex_buffer_object */
1740 struct gl_buffer_object
*ArrayBufferObj
;
1743 * Vertex arrays as consumed by a driver.
1744 * The array pointer is set up only by the VBO module. */
1745 const struct gl_client_array
**_DrawArrays
; /**< 0..VERT_ATTRIB_MAX-1 */
1750 * Feedback buffer state
1755 GLbitfield _Mask
; /**< FB_* bits */
1763 * Selection buffer state
1767 GLuint
*Buffer
; /**< selection buffer */
1768 GLuint BufferSize
; /**< size of the selection buffer */
1769 GLuint BufferCount
; /**< number of values in the selection buffer */
1770 GLuint Hits
; /**< number of records in the selection buffer */
1771 GLuint NameStackDepth
; /**< name stack depth */
1772 GLuint NameStack
[MAX_NAME_STACK_DEPTH
]; /**< name stack */
1773 GLboolean HitFlag
; /**< hit flag */
1774 GLfloat HitMinZ
; /**< minimum hit depth */
1775 GLfloat HitMaxZ
; /**< maximum hit depth */
1780 * 1-D Evaluator control points
1784 GLuint Order
; /**< Number of control points */
1785 GLfloat u1
, u2
, du
; /**< u1, u2, 1.0/(u2-u1) */
1786 GLfloat
*Points
; /**< Points to contiguous control points */
1791 * 2-D Evaluator control points
1795 GLuint Uorder
; /**< Number of control points in U dimension */
1796 GLuint Vorder
; /**< Number of control points in V dimension */
1799 GLfloat
*Points
; /**< Points to contiguous control points */
1804 * All evaluator control point state
1806 struct gl_evaluators
1812 struct gl_1d_map Map1Vertex3
;
1813 struct gl_1d_map Map1Vertex4
;
1814 struct gl_1d_map Map1Index
;
1815 struct gl_1d_map Map1Color4
;
1816 struct gl_1d_map Map1Normal
;
1817 struct gl_1d_map Map1Texture1
;
1818 struct gl_1d_map Map1Texture2
;
1819 struct gl_1d_map Map1Texture3
;
1820 struct gl_1d_map Map1Texture4
;
1827 struct gl_2d_map Map2Vertex3
;
1828 struct gl_2d_map Map2Vertex4
;
1829 struct gl_2d_map Map2Index
;
1830 struct gl_2d_map Map2Color4
;
1831 struct gl_2d_map Map2Normal
;
1832 struct gl_2d_map Map2Texture1
;
1833 struct gl_2d_map Map2Texture2
;
1834 struct gl_2d_map Map2Texture3
;
1835 struct gl_2d_map Map2Texture4
;
1840 struct gl_transform_feedback_varying_info
1849 * Per-output info vertex shaders for transform feedback.
1851 struct gl_transform_feedback_output
1853 unsigned OutputRegister
;
1854 unsigned OutputBuffer
;
1855 unsigned NumComponents
;
1857 /** offset (in DWORDs) of this output within the interleaved structure */
1861 * Offset into the output register of the data to output. For example,
1862 * if NumComponents is 2 and ComponentOffset is 1, then the data to
1863 * offset is in the y and z components of the output register.
1865 unsigned ComponentOffset
;
1869 /** Post-link transform feedback info. */
1870 struct gl_transform_feedback_info
1872 unsigned NumOutputs
;
1875 * Number of transform feedback buffers in use by this program.
1877 unsigned NumBuffers
;
1879 struct gl_transform_feedback_output
*Outputs
;
1881 /** Transform feedback varyings used for the linking of this shader program.
1883 * Use for glGetTransformFeedbackVarying().
1885 struct gl_transform_feedback_varying_info
*Varyings
;
1889 * Total number of components stored in each buffer. This may be used by
1890 * hardware back-ends to determine the correct stride when interleaving
1891 * multiple transform feedback outputs in the same buffer.
1893 unsigned BufferStride
[MAX_FEEDBACK_BUFFERS
];
1898 * Transform feedback object state
1900 struct gl_transform_feedback_object
1902 GLuint Name
; /**< AKA the object ID */
1904 GLboolean Active
; /**< Is transform feedback enabled? */
1905 GLboolean Paused
; /**< Is transform feedback paused? */
1906 GLboolean EndedAnytime
; /**< Has EndTransformFeedback been called
1908 GLboolean EverBound
; /**< Has this object been bound? */
1911 * GLES: if Active is true, remaining number of primitives which can be
1912 * rendered without overflow. This is necessary to track because GLES
1913 * requires us to generate INVALID_OPERATION if a call to glDrawArrays or
1914 * glDrawArraysInstanced would overflow transform feedback buffers.
1915 * Undefined if Active is false.
1917 * Not tracked for desktop GL since it's unnecessary.
1919 unsigned GlesRemainingPrims
;
1921 /** The feedback buffers */
1922 GLuint BufferNames
[MAX_FEEDBACK_BUFFERS
];
1923 struct gl_buffer_object
*Buffers
[MAX_FEEDBACK_BUFFERS
];
1925 /** Start of feedback data in dest buffer */
1926 GLintptr Offset
[MAX_FEEDBACK_BUFFERS
];
1929 * Max data to put into dest buffer (in bytes). Computed based on
1930 * RequestedSize and the actual size of the buffer.
1932 GLsizeiptr Size
[MAX_FEEDBACK_BUFFERS
];
1935 * Size that was specified when the buffer was bound. If the buffer was
1936 * bound with glBindBufferBase() or glBindBufferOffsetEXT(), this value is
1939 GLsizeiptr RequestedSize
[MAX_FEEDBACK_BUFFERS
];
1944 * Context state for transform feedback.
1946 struct gl_transform_feedback_state
1948 GLenum Mode
; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
1950 /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
1951 struct gl_buffer_object
*CurrentBuffer
;
1953 /** The table of all transform feedback objects */
1954 struct _mesa_HashTable
*Objects
;
1956 /** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */
1957 struct gl_transform_feedback_object
*CurrentObject
;
1959 /** The default xform-fb object (Name==0) */
1960 struct gl_transform_feedback_object
*DefaultObject
;
1965 * Names of the various vertex/fragment program register files, etc.
1967 * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
1968 * All values should fit in a 4-bit field.
1970 * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR,
1971 * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
1972 * be "uniform" variables since they can only be set outside glBegin/End.
1973 * They're also all stored in the same Parameters array.
1977 PROGRAM_TEMPORARY
, /**< machine->Temporary[] */
1978 PROGRAM_INPUT
, /**< machine->Inputs[] */
1979 PROGRAM_OUTPUT
, /**< machine->Outputs[] */
1980 PROGRAM_LOCAL_PARAM
, /**< gl_program->LocalParams[] */
1981 PROGRAM_ENV_PARAM
, /**< gl_program->Parameters[] */
1982 PROGRAM_STATE_VAR
, /**< gl_program->Parameters[] */
1983 PROGRAM_CONSTANT
, /**< gl_program->Parameters[] */
1984 PROGRAM_UNIFORM
, /**< gl_program->Parameters[] */
1985 PROGRAM_WRITE_ONLY
, /**< A dummy, write-only register */
1986 PROGRAM_ADDRESS
, /**< machine->AddressReg */
1987 PROGRAM_SAMPLER
, /**< for shader samplers, compile-time only */
1988 PROGRAM_SYSTEM_VALUE
,/**< InstanceId, PrimitiveID, etc. */
1989 PROGRAM_UNDEFINED
, /**< Invalid/TBD value */
1995 * If the register file is PROGRAM_SYSTEM_VALUE, the register index will be
1996 * one of these values.
2000 SYSTEM_VALUE_FRONT_FACE
, /**< Fragment shader only (not done yet) */
2001 SYSTEM_VALUE_VERTEX_ID
, /**< Vertex shader only */
2002 SYSTEM_VALUE_INSTANCE_ID
, /**< Vertex shader only */
2003 SYSTEM_VALUE_MAX
/**< Number of values */
2008 * The possible interpolation qualifiers that can be applied to a fragment
2009 * shader input in GLSL.
2011 * Note: INTERP_QUALIFIER_NONE must be 0 so that memsetting the
2012 * gl_fragment_program data structure to 0 causes the default behavior.
2014 enum glsl_interp_qualifier
2016 INTERP_QUALIFIER_NONE
= 0,
2017 INTERP_QUALIFIER_SMOOTH
,
2018 INTERP_QUALIFIER_FLAT
,
2019 INTERP_QUALIFIER_NOPERSPECTIVE
2024 * \brief Layout qualifiers for gl_FragDepth.
2026 * Extension AMD_conservative_depth allows gl_FragDepth to be redeclared with
2027 * a layout qualifier.
2029 * \see enum ir_depth_layout
2031 enum gl_frag_depth_layout
2033 FRAG_DEPTH_LAYOUT_NONE
, /**< No layout is specified. */
2034 FRAG_DEPTH_LAYOUT_ANY
,
2035 FRAG_DEPTH_LAYOUT_GREATER
,
2036 FRAG_DEPTH_LAYOUT_LESS
,
2037 FRAG_DEPTH_LAYOUT_UNCHANGED
2042 * Base class for any kind of program object
2047 GLubyte
*String
; /**< Null-terminated program text */
2049 GLenum Target
; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB */
2050 GLenum Format
; /**< String encoding format */
2052 struct prog_instruction
*Instructions
;
2054 GLbitfield64 InputsRead
; /**< Bitmask of which input regs are read */
2055 GLbitfield64 OutputsWritten
; /**< Bitmask of which output regs are written */
2056 GLbitfield SystemValuesRead
; /**< Bitmask of SYSTEM_VALUE_x inputs used */
2057 GLbitfield InputFlags
[MAX_PROGRAM_INPUTS
]; /**< PROG_PARAM_BIT_x flags */
2058 GLbitfield OutputFlags
[MAX_PROGRAM_OUTPUTS
]; /**< PROG_PARAM_BIT_x flags */
2059 GLbitfield TexturesUsed
[MAX_COMBINED_TEXTURE_IMAGE_UNITS
]; /**< TEXTURE_x_BIT bitmask */
2060 GLbitfield SamplersUsed
; /**< Bitfield of which samplers are used */
2061 GLbitfield ShadowSamplers
; /**< Texture units used for shadow sampling. */
2064 /** Named parameters, constants, etc. from program text */
2065 struct gl_program_parameter_list
*Parameters
;
2066 /** Numbered local parameters */
2067 GLfloat LocalParams
[MAX_PROGRAM_LOCAL_PARAMS
][4];
2069 /** Map from sampler unit to texture unit (set by glUniform1i()) */
2070 GLubyte SamplerUnits
[MAX_SAMPLERS
];
2072 /** Bitmask of which register files are read/written with indirect
2073 * addressing. Mask of (1 << PROGRAM_x) bits.
2075 GLbitfield IndirectRegisterFiles
;
2077 /** Logical counts */
2079 GLuint NumInstructions
;
2080 GLuint NumTemporaries
;
2081 GLuint NumParameters
;
2082 GLuint NumAttributes
;
2083 GLuint NumAddressRegs
;
2084 GLuint NumAluInstructions
;
2085 GLuint NumTexInstructions
;
2086 GLuint NumTexIndirections
;
2088 /** Native, actual h/w counts */
2090 GLuint NumNativeInstructions
;
2091 GLuint NumNativeTemporaries
;
2092 GLuint NumNativeParameters
;
2093 GLuint NumNativeAttributes
;
2094 GLuint NumNativeAddressRegs
;
2095 GLuint NumNativeAluInstructions
;
2096 GLuint NumNativeTexInstructions
;
2097 GLuint NumNativeTexIndirections
;
2102 /** Vertex program object */
2103 struct gl_vertex_program
2105 struct gl_program Base
; /**< base class */
2106 GLboolean IsPositionInvariant
;
2107 GLboolean UsesClipDistance
;
2111 /** Geometry program object */
2112 struct gl_geometry_program
2114 struct gl_program Base
; /**< base class */
2117 GLenum InputType
; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
2118 GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
2119 GLenum OutputType
; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
2123 /** Fragment program object */
2124 struct gl_fragment_program
2126 struct gl_program Base
; /**< base class */
2127 GLboolean UsesKill
; /**< shader uses KIL instruction */
2128 GLboolean UsesDFdy
; /**< shader uses DDY instruction */
2129 GLboolean OriginUpperLeft
;
2130 GLboolean PixelCenterInteger
;
2131 enum gl_frag_depth_layout FragDepthLayout
;
2134 * GLSL interpolation qualifier associated with each fragment shader input.
2135 * For inputs that do not have an interpolation qualifier specified in
2136 * GLSL, the value is INTERP_QUALIFIER_NONE.
2138 enum glsl_interp_qualifier InterpQualifier
[FRAG_ATTRIB_MAX
];
2141 * Bitfield indicating, for each fragment shader input, 1 if that input
2142 * uses centroid interpolation, 0 otherwise. Unused inputs are 0.
2144 GLbitfield64 IsCentroid
;
2149 * State common to vertex and fragment programs.
2151 struct gl_program_state
2153 GLint ErrorPos
; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
2154 const char *ErrorString
; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
2159 * Context state for vertex programs.
2161 struct gl_vertex_program_state
2163 GLboolean Enabled
; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
2164 GLboolean _Enabled
; /**< Enabled and _valid_ user program? */
2165 GLboolean PointSizeEnabled
; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
2166 GLboolean TwoSideEnabled
; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
2167 /** Computed two sided lighting for fixed function/programs. */
2168 GLboolean _TwoSideEnabled
;
2169 struct gl_vertex_program
*Current
; /**< User-bound vertex program */
2171 /** Currently enabled and valid vertex program (including internal
2172 * programs, user-defined vertex programs and GLSL vertex shaders).
2173 * This is the program we must use when rendering.
2175 struct gl_vertex_program
*_Current
;
2177 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2179 /** Should fixed-function T&L be implemented with a vertex prog? */
2180 GLboolean _MaintainTnlProgram
;
2182 /** Program to emulate fixed-function T&L (see above) */
2183 struct gl_vertex_program
*_TnlProgram
;
2185 /** Cache of fixed-function programs */
2186 struct gl_program_cache
*Cache
;
2188 GLboolean _Overriden
;
2193 * Context state for geometry programs.
2195 struct gl_geometry_program_state
2197 GLboolean Enabled
; /**< GL_ARB_GEOMETRY_SHADER4 */
2198 GLboolean _Enabled
; /**< Enabled and valid program? */
2199 struct gl_geometry_program
*Current
; /**< user-bound geometry program */
2201 /** Currently enabled and valid program (including internal programs
2202 * and compiled shader programs).
2204 struct gl_geometry_program
*_Current
;
2206 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2208 /** Cache of fixed-function programs */
2209 struct gl_program_cache
*Cache
;
2213 * Context state for fragment programs.
2215 struct gl_fragment_program_state
2217 GLboolean Enabled
; /**< User-set fragment program enable flag */
2218 GLboolean _Enabled
; /**< Enabled and _valid_ user program? */
2219 struct gl_fragment_program
*Current
; /**< User-bound fragment program */
2221 /** Currently enabled and valid fragment program (including internal
2222 * programs, user-defined fragment programs and GLSL fragment shaders).
2223 * This is the program we must use when rendering.
2225 struct gl_fragment_program
*_Current
;
2227 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2229 /** Should fixed-function texturing be implemented with a fragment prog? */
2230 GLboolean _MaintainTexEnvProgram
;
2232 /** Program to emulate fixed-function texture env/combine (see above) */
2233 struct gl_fragment_program
*_TexEnvProgram
;
2235 /** Cache of fixed-function programs */
2236 struct gl_program_cache
*Cache
;
2241 * ATI_fragment_shader runtime state
2243 #define ATI_FS_INPUT_PRIMARY 0
2244 #define ATI_FS_INPUT_SECONDARY 1
2246 struct atifs_instruction
;
2247 struct atifs_setupinst
;
2250 * ATI fragment shader
2252 struct ati_fragment_shader
2256 struct atifs_instruction
*Instructions
[2];
2257 struct atifs_setupinst
*SetupInst
[2];
2258 GLfloat Constants
[8][4];
2259 GLbitfield LocalConstDef
; /**< Indicates which constants have been set */
2260 GLubyte numArithInstr
[2];
2261 GLubyte regsAssigned
[2];
2262 GLubyte NumPasses
; /**< 1 or 2 */
2264 GLubyte last_optype
;
2265 GLboolean interpinp1
;
2271 * Context state for GL_ATI_fragment_shader
2273 struct gl_ati_fragment_shader_state
2276 GLboolean _Enabled
; /**< enabled and valid shader? */
2277 GLboolean Compiling
;
2278 GLfloat GlobalConstants
[8][4];
2279 struct ati_fragment_shader
*Current
;
2283 /** Set by #pragma directives */
2284 struct gl_sl_pragmas
2286 GLboolean IgnoreOptimize
; /**< ignore #pragma optimize(on/off) ? */
2287 GLboolean IgnoreDebug
; /**< ignore #pragma debug(on/off) ? */
2288 GLboolean Optimize
; /**< defaults on */
2289 GLboolean Debug
; /**< defaults off */
2294 * A GLSL vertex or fragment shader object.
2298 GLenum Type
; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB (first field!) */
2299 GLuint Name
; /**< AKA the handle */
2300 GLint RefCount
; /**< Reference count */
2301 GLboolean DeletePending
;
2302 GLboolean CompileStatus
;
2303 const GLchar
*Source
; /**< Source code string */
2304 GLuint SourceChecksum
; /**< for debug/logging purposes */
2305 struct gl_program
*Program
; /**< Post-compile assembly code */
2307 struct gl_sl_pragmas Pragmas
;
2309 unsigned Version
; /**< GLSL version used for linking */
2310 GLboolean IsES
; /**< True if this shader uses GLSL ES */
2313 * \name Sampler tracking
2315 * \note Each of these fields is only set post-linking.
2318 unsigned num_samplers
; /**< Number of samplers used by this shader. */
2319 GLbitfield active_samplers
; /**< Bitfield of which samplers are used */
2320 GLbitfield shadow_samplers
; /**< Samplers used for shadow sampling. */
2324 * Number of uniform components used by this shader.
2326 * This field is only set post-linking.
2328 unsigned num_uniform_components
;
2331 * This shader's uniform block information.
2333 * The offsets of the variables are assigned only for shaders in a program's
2336 struct gl_uniform_block
*UniformBlocks
;
2337 unsigned NumUniformBlocks
;
2339 struct exec_list
*ir
;
2340 struct glsl_symbol_table
*symbols
;
2342 /** Shaders containing built-in functions that are used for linking. */
2343 struct gl_shader
*builtins_to_link
[16];
2344 unsigned num_builtins_to_link
;
2349 * Shader stages. Note that these will become 5 with tessellation.
2350 * These MUST have the same values as gallium's PIPE_SHADER_*
2354 MESA_SHADER_VERTEX
= 0,
2355 MESA_SHADER_FRAGMENT
= 1,
2356 MESA_SHADER_GEOMETRY
= 2,
2357 MESA_SHADER_TYPES
= 3
2360 struct gl_uniform_buffer_variable
2365 * Name of the uniform as seen by glGetUniformIndices.
2367 * glGetUniformIndices requires that the block instance index \b not be
2368 * present in the name of queried uniforms.
2371 * \c gl_uniform_buffer_variable::IndexName and
2372 * \c gl_uniform_buffer_variable::Name may point to identical storage.
2376 const struct glsl_type
*Type
;
2377 unsigned int Offset
;
2381 enum gl_uniform_block_packing
{
2387 struct gl_uniform_block
2389 /** Declared name of the uniform block */
2392 /** Array of supplemental information about UBO ir_variables. */
2393 struct gl_uniform_buffer_variable
*Uniforms
;
2397 * Index (GL_UNIFORM_BLOCK_BINDING) into ctx->UniformBufferBindings[] to use
2398 * with glBindBufferBase to bind a buffer object to this uniform block. When
2399 * updated in the program, _NEW_BUFFER_OBJECT will be set.
2404 * Minimum size of a buffer object to back this uniform buffer
2405 * (GL_UNIFORM_BLOCK_DATA_SIZE).
2407 GLuint UniformBufferSize
;
2410 * Layout specified in the shader
2412 * This isn't accessible through the API, but it is used while
2413 * cross-validating uniform blocks.
2415 enum gl_uniform_block_packing _Packing
;
2419 * A GLSL program object.
2420 * Basically a linked collection of vertex and fragment shaders.
2422 struct gl_shader_program
2424 GLenum Type
; /**< Always GL_SHADER_PROGRAM (internal token) */
2425 GLuint Name
; /**< aka handle or ID */
2426 GLint RefCount
; /**< Reference count */
2427 GLboolean DeletePending
;
2430 * Is the application intending to glGetProgramBinary this program?
2432 GLboolean BinaryRetreivableHint
;
2435 * Flags that the linker should not reject the program if it lacks
2436 * a vertex or fragment shader. GLES2 doesn't allow separate
2437 * shader objects, and would reject them. However, we internally
2438 * build separate shader objects for fixed function programs, which
2439 * we use for drivers/common/meta.c and for handling
2440 * _mesa_update_state with no program bound (for example in
2443 GLboolean InternalSeparateShader
;
2445 GLuint NumShaders
; /**< number of attached shaders */
2446 struct gl_shader
**Shaders
; /**< List of attached the shaders */
2449 * User-defined attribute bindings
2451 * These are set via \c glBindAttribLocation and are used to direct the
2452 * GLSL linker. These are \b not the values used in the compiled shader,
2453 * and they are \b not the values returned by \c glGetAttribLocation.
2455 struct string_to_uint_map
*AttributeBindings
;
2458 * User-defined fragment data bindings
2460 * These are set via \c glBindFragDataLocation and are used to direct the
2461 * GLSL linker. These are \b not the values used in the compiled shader,
2462 * and they are \b not the values returned by \c glGetFragDataLocation.
2464 struct string_to_uint_map
*FragDataBindings
;
2465 struct string_to_uint_map
*FragDataIndexBindings
;
2468 * Transform feedback varyings last specified by
2469 * glTransformFeedbackVaryings().
2471 * For the current set of transform feeedback varyings used for transform
2472 * feedback output, see LinkedTransformFeedback.
2477 GLchar
**VaryingNames
; /**< Array [NumVarying] of char * */
2478 } TransformFeedback
;
2480 /** Post-link transform feedback info. */
2481 struct gl_transform_feedback_info LinkedTransformFeedback
;
2483 /** Post-link gl_FragDepth layout for ARB_conservative_depth. */
2484 enum gl_frag_depth_layout FragDepthLayout
;
2486 /** Geometry shader state - copied into gl_geometry_program at link time */
2489 GLenum InputType
; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
2490 GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
2491 GLenum OutputType
; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
2494 /** Vertex shader state - copied into gl_vertex_program at link time */
2496 GLboolean UsesClipDistance
; /**< True if gl_ClipDistance is written to. */
2497 GLuint ClipDistanceArraySize
; /**< Size of the gl_ClipDistance array, or
2498 0 if not present. */
2501 /* post-link info: */
2502 unsigned NumUserUniformStorage
;
2503 struct gl_uniform_storage
*UniformStorage
;
2505 struct gl_uniform_block
*UniformBlocks
;
2506 unsigned NumUniformBlocks
;
2509 * Indices into the _LinkedShaders's UniformBlocks[] array for each stage
2510 * they're used in, or -1.
2512 * This is used to maintain the Binding values of the stage's UniformBlocks[]
2513 * and to answer the GL_UNIFORM_BLOCK_REFERENCED_BY_*_SHADER queries.
2515 int *UniformBlockStageIndex
[MESA_SHADER_TYPES
];
2518 * Map of active uniform names to locations
2520 * Maps any active uniform that is not an array element to a location.
2521 * Each active uniform, including individual structure members will appear
2522 * in this map. This roughly corresponds to the set of names that would be
2523 * enumerated by \c glGetActiveUniform.
2525 struct string_to_uint_map
*UniformHash
;
2528 * Map from sampler unit to texture unit (set by glUniform1i())
2530 * A sampler unit is associated with each sampler uniform by the linker.
2531 * The sampler unit associated with each uniform is stored in the
2532 * \c gl_uniform_storage::sampler field.
2534 GLubyte SamplerUnits
[MAX_SAMPLERS
];
2535 /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
2536 gl_texture_index SamplerTargets
[MAX_SAMPLERS
];
2538 GLboolean LinkStatus
; /**< GL_LINK_STATUS */
2539 GLboolean Validated
;
2540 GLboolean _Used
; /**< Ever used for drawing? */
2543 unsigned Version
; /**< GLSL version used for linking */
2544 GLboolean IsES
; /**< True if this program uses GLSL ES */
2547 * Per-stage shaders resulting from the first stage of linking.
2549 * Set of linked shaders for this program. The array is accessed using the
2550 * \c MESA_SHADER_* defines. Entries for non-existent stages will be
2553 struct gl_shader
*_LinkedShaders
[MESA_SHADER_TYPES
];
2557 #define GLSL_DUMP 0x1 /**< Dump shaders to stdout */
2558 #define GLSL_LOG 0x2 /**< Write shaders to files */
2559 #define GLSL_OPT 0x4 /**< Force optimizations (override pragmas) */
2560 #define GLSL_NO_OPT 0x8 /**< Force no optimizations (override pragmas) */
2561 #define GLSL_UNIFORMS 0x10 /**< Print glUniform calls */
2562 #define GLSL_NOP_VERT 0x20 /**< Force no-op vertex shaders */
2563 #define GLSL_NOP_FRAG 0x40 /**< Force no-op fragment shaders */
2564 #define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */
2565 #define GLSL_REPORT_ERRORS 0x100 /**< Print compilation errors */
2569 * Context state for GLSL vertex/fragment shaders.
2571 struct gl_shader_state
2574 * Programs used for rendering
2576 * There is a separate program set for each shader stage. If
2577 * GL_EXT_separate_shader_objects is not supported, each of these must point
2578 * to \c NULL or to the same program.
2580 struct gl_shader_program
*CurrentVertexProgram
;
2581 struct gl_shader_program
*CurrentGeometryProgram
;
2582 struct gl_shader_program
*CurrentFragmentProgram
;
2584 struct gl_shader_program
*_CurrentFragmentProgram
;
2587 * Program used by glUniform calls.
2589 * Explicitly set by \c glUseProgram and \c glActiveProgramEXT.
2591 struct gl_shader_program
*ActiveProgram
;
2593 GLbitfield Flags
; /**< Mask of GLSL_x flags */
2598 * Compiler options for a single GLSL shaders type
2600 struct gl_shader_compiler_options
2602 /** Driver-selectable options: */
2603 GLboolean EmitCondCodes
; /**< Use condition codes? */
2604 GLboolean EmitNoLoops
;
2605 GLboolean EmitNoFunctions
;
2606 GLboolean EmitNoCont
; /**< Emit CONT opcode? */
2607 GLboolean EmitNoMainReturn
; /**< Emit CONT/RET opcodes? */
2608 GLboolean EmitNoNoise
; /**< Emit NOISE opcodes? */
2609 GLboolean EmitNoPow
; /**< Emit POW opcodes? */
2610 GLboolean LowerClipDistance
; /**< Lower gl_ClipDistance from float[8] to vec4[2]? */
2613 * \name Forms of indirect addressing the driver cannot do.
2616 GLboolean EmitNoIndirectInput
; /**< No indirect addressing of inputs */
2617 GLboolean EmitNoIndirectOutput
; /**< No indirect addressing of outputs */
2618 GLboolean EmitNoIndirectTemp
; /**< No indirect addressing of temps */
2619 GLboolean EmitNoIndirectUniform
; /**< No indirect addressing of constants */
2622 GLuint MaxIfDepth
; /**< Maximum nested IF blocks */
2623 GLuint MaxUnrollIterations
;
2625 struct gl_sl_pragmas DefaultPragmas
; /**< Default #pragma settings */
2630 * Occlusion/timer query object.
2632 struct gl_query_object
2634 GLenum Target
; /**< The query target, when active */
2635 GLuint Id
; /**< hash table ID/name */
2636 GLuint64EXT Result
; /**< the counter */
2637 GLboolean Active
; /**< inside Begin/EndQuery */
2638 GLboolean Ready
; /**< result is ready? */
2639 GLboolean EverBound
;/**< has query object ever been bound */
2644 * Context state for query objects.
2646 struct gl_query_state
2648 struct _mesa_HashTable
*QueryObjects
;
2649 struct gl_query_object
*CurrentOcclusionObject
; /* GL_ARB_occlusion_query */
2650 struct gl_query_object
*CurrentTimerObject
; /* GL_EXT_timer_query */
2652 /** GL_NV_conditional_render */
2653 struct gl_query_object
*CondRenderQuery
;
2655 /** GL_EXT_transform_feedback */
2656 struct gl_query_object
*PrimitivesGenerated
;
2657 struct gl_query_object
*PrimitivesWritten
;
2659 /** GL_ARB_timer_query */
2660 struct gl_query_object
*TimeElapsed
;
2662 GLenum CondRenderMode
;
2666 /** Sync object state */
2667 struct gl_sync_object
2669 GLenum Type
; /**< GL_SYNC_FENCE */
2670 GLuint Name
; /**< Fence name */
2671 GLint RefCount
; /**< Reference count */
2672 GLboolean DeletePending
; /**< Object was deleted while there were still
2673 * live references (e.g., sync not yet finished)
2675 GLenum SyncCondition
;
2676 GLbitfield Flags
; /**< Flags passed to glFenceSync */
2677 GLuint StatusFlag
:1; /**< Has the sync object been signaled? */
2682 * State which can be shared by multiple contexts:
2684 struct gl_shared_state
2686 _glthread_Mutex Mutex
; /**< for thread safety */
2687 GLint RefCount
; /**< Reference count */
2688 struct _mesa_HashTable
*DisplayList
; /**< Display lists hash table */
2689 struct _mesa_HashTable
*TexObjects
; /**< Texture objects hash table */
2691 /** Default texture objects (shared by all texture units) */
2692 struct gl_texture_object
*DefaultTex
[NUM_TEXTURE_TARGETS
];
2694 /** Fallback texture used when a bound texture is incomplete */
2695 struct gl_texture_object
*FallbackTex
[NUM_TEXTURE_TARGETS
];
2698 * \name Thread safety and statechange notification for texture
2701 * \todo Improve the granularity of locking.
2704 _glthread_Mutex TexMutex
; /**< texobj thread safety */
2705 GLuint TextureStateStamp
; /**< state notification for shared tex */
2708 /** Default buffer object for vertex arrays that aren't in VBOs */
2709 struct gl_buffer_object
*NullBufferObj
;
2712 * \name Vertex/geometry/fragment programs
2715 struct _mesa_HashTable
*Programs
; /**< All vertex/fragment programs */
2716 struct gl_vertex_program
*DefaultVertexProgram
;
2717 struct gl_fragment_program
*DefaultFragmentProgram
;
2718 struct gl_geometry_program
*DefaultGeometryProgram
;
2721 /* GL_ATI_fragment_shader */
2722 struct _mesa_HashTable
*ATIShaders
;
2723 struct ati_fragment_shader
*DefaultFragmentShader
;
2725 struct _mesa_HashTable
*BufferObjects
;
2727 /** Table of both gl_shader and gl_shader_program objects */
2728 struct _mesa_HashTable
*ShaderObjects
;
2730 /* GL_EXT_framebuffer_object */
2731 struct _mesa_HashTable
*RenderBuffers
;
2732 struct _mesa_HashTable
*FrameBuffers
;
2735 struct set
*SyncObjects
;
2737 /** GL_ARB_sampler_objects */
2738 struct _mesa_HashTable
*SamplerObjects
;
2744 * Renderbuffers represent drawing surfaces such as color, depth and/or
2745 * stencil. A framebuffer object has a set of renderbuffers.
2746 * Drivers will typically derive subclasses of this type.
2748 struct gl_renderbuffer
2750 _glthread_Mutex Mutex
; /**< for thread safety */
2751 GLuint ClassID
; /**< Useful for drivers */
2754 GLuint Width
, Height
;
2755 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
2756 GLboolean AttachedAnytime
; /**< TRUE if it was attached to a framebuffer */
2758 GLenum InternalFormat
; /**< The user-specified format */
2759 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
2760 GL_STENCIL_INDEX. */
2761 gl_format Format
; /**< The actual renderbuffer memory format */
2763 /** Delete this renderbuffer */
2764 void (*Delete
)(struct gl_context
*ctx
, struct gl_renderbuffer
*rb
);
2766 /** Allocate new storage for this renderbuffer */
2767 GLboolean (*AllocStorage
)(struct gl_context
*ctx
,
2768 struct gl_renderbuffer
*rb
,
2769 GLenum internalFormat
,
2770 GLuint width
, GLuint height
);
2775 * A renderbuffer attachment points to either a texture object (and specifies
2776 * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
2778 struct gl_renderbuffer_attachment
2780 GLenum Type
; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
2784 * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
2785 * application supplied renderbuffer object.
2787 struct gl_renderbuffer
*Renderbuffer
;
2790 * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
2791 * supplied texture object.
2793 struct gl_texture_object
*Texture
;
2794 GLuint TextureLevel
; /**< Attached mipmap level. */
2795 GLuint CubeMapFace
; /**< 0 .. 5, for cube map textures. */
2796 GLuint Zoffset
; /**< Slice for 3D textures, or layer for both 1D
2797 * and 2D array textures */
2802 * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
2803 * In C++ terms, think of this as a base class from which device drivers
2804 * will make derived classes.
2806 struct gl_framebuffer
2808 _glthread_Mutex Mutex
; /**< for thread safety */
2810 * If zero, this is a window system framebuffer. If non-zero, this
2811 * is a FBO framebuffer; note that for some devices (i.e. those with
2812 * a natural pixel coordinate system for FBOs that differs from the
2813 * OpenGL/Mesa coordinate system), this means that the viewport,
2814 * polygon face orientation, and polygon stipple will have to be inverted.
2819 GLboolean DeletePending
;
2822 * The framebuffer's visual. Immutable if this is a window system buffer.
2823 * Computed from attachments if user-made FBO.
2825 struct gl_config Visual
;
2827 GLboolean Initialized
;
2829 GLuint Width
, Height
; /**< size of frame buffer in pixels */
2831 /** \name Drawing bounds (Intersection of buffer size and scissor box) */
2833 GLint _Xmin
, _Xmax
; /**< inclusive */
2834 GLint _Ymin
, _Ymax
; /**< exclusive */
2837 /** \name Derived Z buffer stuff */
2839 GLuint _DepthMax
; /**< Max depth buffer value */
2840 GLfloat _DepthMaxF
; /**< Float max depth buffer value */
2841 GLfloat _MRD
; /**< minimum resolvable difference in Z values */
2844 /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
2847 /** Integer color values */
2848 GLboolean _IntegerColor
;
2850 /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
2851 struct gl_renderbuffer_attachment Attachment
[BUFFER_COUNT
];
2853 /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
2854 * attribute group and GL_PIXEL attribute group, respectively.
2856 GLenum ColorDrawBuffer
[MAX_DRAW_BUFFERS
];
2857 GLenum ColorReadBuffer
;
2859 /** Computed from ColorDraw/ReadBuffer above */
2860 GLuint _NumColorDrawBuffers
;
2861 GLint _ColorDrawBufferIndexes
[MAX_DRAW_BUFFERS
]; /**< BUFFER_x or -1 */
2862 GLint _ColorReadBufferIndex
; /* -1 = None */
2863 struct gl_renderbuffer
*_ColorDrawBuffers
[MAX_DRAW_BUFFERS
];
2864 struct gl_renderbuffer
*_ColorReadBuffer
;
2866 /** Delete this framebuffer */
2867 void (*Delete
)(struct gl_framebuffer
*fb
);
2872 * Precision info for shader datatypes. See glGetShaderPrecisionFormat().
2876 GLushort RangeMin
; /**< min value exponent */
2877 GLushort RangeMax
; /**< max value exponent */
2878 GLushort Precision
; /**< number of mantissa bits */
2883 * Limits for vertex, geometry and fragment programs/shaders.
2885 struct gl_program_constants
2887 /* logical limits */
2888 GLuint MaxInstructions
;
2889 GLuint MaxAluInstructions
;
2890 GLuint MaxTexInstructions
;
2891 GLuint MaxTexIndirections
;
2894 GLuint MaxAddressRegs
;
2895 GLuint MaxAddressOffset
; /**< [-MaxAddressOffset, MaxAddressOffset-1] */
2896 GLuint MaxParameters
;
2897 GLuint MaxLocalParams
;
2898 GLuint MaxEnvParams
;
2899 /* native/hardware limits */
2900 GLuint MaxNativeInstructions
;
2901 GLuint MaxNativeAluInstructions
;
2902 GLuint MaxNativeTexInstructions
;
2903 GLuint MaxNativeTexIndirections
;
2904 GLuint MaxNativeAttribs
;
2905 GLuint MaxNativeTemps
;
2906 GLuint MaxNativeAddressRegs
;
2907 GLuint MaxNativeParameters
;
2909 GLuint MaxUniformComponents
; /**< Usually == MaxParameters * 4 */
2910 /* ES 2.0 and GL_ARB_ES2_compatibility */
2911 struct gl_precision LowFloat
, MediumFloat
, HighFloat
;
2912 struct gl_precision LowInt
, MediumInt
, HighInt
;
2913 /* GL_ARB_uniform_buffer_object */
2914 GLuint MaxUniformBlocks
;
2915 GLuint MaxCombinedUniformComponents
;
2920 * Constants which may be overridden by device driver during context creation
2921 * but are never changed after that.
2925 GLuint MaxTextureMbytes
; /**< Max memory per image, in MB */
2926 GLuint MaxTextureLevels
; /**< Max mipmap levels. */
2927 GLuint Max3DTextureLevels
; /**< Max mipmap levels for 3D textures */
2928 GLuint MaxCubeTextureLevels
; /**< Max mipmap levels for cube textures */
2929 GLuint MaxArrayTextureLayers
; /**< Max layers in array textures */
2930 GLuint MaxTextureRectSize
; /**< Max rectangle texture size, in pixes */
2931 GLuint MaxTextureCoordUnits
;
2932 GLuint MaxTextureImageUnits
;
2933 GLuint MaxVertexTextureImageUnits
;
2934 GLuint MaxCombinedTextureImageUnits
;
2935 GLuint MaxGeometryTextureImageUnits
;
2936 GLuint MaxTextureUnits
; /**< = MIN(CoordUnits, ImageUnits) */
2937 GLfloat MaxTextureMaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
2938 GLfloat MaxTextureLodBias
; /**< GL_EXT_texture_lod_bias */
2939 GLuint MaxTextureBufferSize
; /**< GL_ARB_texture_buffer_object */
2941 GLuint TextureBufferOffsetAlignment
; /**< GL_ARB_texture_buffer_range */
2943 GLuint MaxArrayLockSize
;
2947 GLfloat MinPointSize
, MaxPointSize
; /**< aliased */
2948 GLfloat MinPointSizeAA
, MaxPointSizeAA
; /**< antialiased */
2949 GLfloat PointSizeGranularity
;
2950 GLfloat MinLineWidth
, MaxLineWidth
; /**< aliased */
2951 GLfloat MinLineWidthAA
, MaxLineWidthAA
; /**< antialiased */
2952 GLfloat LineWidthGranularity
;
2954 GLuint MaxColorTableSize
;
2956 GLuint MaxClipPlanes
;
2958 GLfloat MaxShininess
; /**< GL_NV_light_max_exponent */
2959 GLfloat MaxSpotExponent
; /**< GL_NV_light_max_exponent */
2961 GLuint MaxViewportWidth
, MaxViewportHeight
;
2963 struct gl_program_constants VertexProgram
; /**< GL_ARB_vertex_program */
2964 struct gl_program_constants FragmentProgram
; /**< GL_ARB_fragment_program */
2965 struct gl_program_constants GeometryProgram
; /**< GL_ARB_geometry_shader4 */
2966 GLuint MaxProgramMatrices
;
2967 GLuint MaxProgramMatrixStackDepth
;
2970 GLuint SamplesPassed
;
2973 GLuint PrimitivesGenerated
;
2974 GLuint PrimitivesWritten
;
2977 /** vertex array / buffer object bounds checking */
2978 GLboolean CheckArrayBounds
;
2980 GLuint MaxDrawBuffers
; /**< GL_ARB_draw_buffers */
2982 GLuint MaxColorAttachments
; /**< GL_EXT_framebuffer_object */
2983 GLuint MaxRenderbufferSize
; /**< GL_EXT_framebuffer_object */
2984 GLuint MaxSamples
; /**< GL_ARB_framebuffer_object */
2986 /** Number of varying vectors between vertex and fragment shaders */
2988 GLuint MaxVertexVaryingComponents
; /**< Between vert and geom shader */
2989 GLuint MaxGeometryVaryingComponents
; /**< Between geom and frag shader */
2992 * GL_ARB_uniform_buffer_object
2994 GLuint MaxCombinedUniformBlocks
;
2995 GLuint MaxUniformBufferBindings
;
2996 GLuint MaxUniformBlockSize
;
2997 GLuint UniformBufferOffsetAlignment
;
3000 /** GL_ARB_geometry_shader4 */
3001 GLuint MaxGeometryOutputVertices
;
3002 GLuint MaxGeometryTotalOutputComponents
;
3004 GLuint GLSLVersion
; /**< GLSL version supported (ex: 120 = 1.20) */
3007 * Changes default GLSL extension behavior from "error" to "warn". It's out
3008 * of spec, but it can make some apps work that otherwise wouldn't.
3010 GLboolean ForceGLSLExtensionsWarn
;
3013 * Does the driver support real 32-bit integers? (Otherwise, integers are
3014 * simulated via floats.)
3016 GLboolean NativeIntegers
;
3019 * If the driver supports real 32-bit integers, what integer value should be
3020 * used for boolean true in uniform uploads? (Usually 1 or ~0.)
3022 GLuint UniformBooleanTrue
;
3024 /** Which texture units support GL_ATI_envmap_bumpmap as targets */
3025 GLbitfield SupportedBumpUnits
;
3028 * Maximum amount of time, measured in nanseconds, that the server can wait.
3030 GLuint64 MaxServerWaitTimeout
;
3032 /** GL_EXT_provoking_vertex */
3033 GLboolean QuadsFollowProvokingVertexConvention
;
3035 /** OpenGL version 3.0 */
3036 GLbitfield ContextFlags
; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
3038 /** OpenGL version 3.2 */
3039 GLbitfield ProfileMask
; /**< Mask of CONTEXT_x_PROFILE_BIT */
3041 /** GL_EXT_transform_feedback */
3042 GLuint MaxTransformFeedbackBuffers
;
3043 GLuint MaxTransformFeedbackSeparateComponents
;
3044 GLuint MaxTransformFeedbackInterleavedComponents
;
3045 GLuint MaxVertexStreams
;
3047 /** GL_EXT_gpu_shader4 */
3048 GLint MinProgramTexelOffset
, MaxProgramTexelOffset
;
3050 /* GL_ARB_robustness */
3051 GLenum ResetStrategy
;
3053 /* GL_ARB_blend_func_extended */
3054 GLuint MaxDualSourceDrawBuffers
;
3057 * Whether the implementation strips out and ignores texture borders.
3059 * Many GPU hardware implementations don't support rendering with texture
3060 * borders and mipmapped textures. (Note: not static border color, but the
3061 * old 1-pixel border around each edge). Implementations then have to do
3062 * slow fallbacks to be correct, or just ignore the border and be fast but
3063 * wrong. Setting the flag strips the border off of TexImage calls,
3064 * providing "fast but wrong" at significantly reduced driver complexity.
3066 * Texture borders are deprecated in GL 3.0.
3068 GLboolean StripTextureBorder
;
3071 * For drivers which can do a better job at eliminating unused varyings
3072 * and uniforms than the GLSL compiler.
3074 * XXX Remove these as soon as a better solution is available.
3076 GLboolean GLSLSkipStrictMaxVaryingLimitCheck
;
3077 GLboolean GLSLSkipStrictMaxUniformLimitCheck
;
3080 * Force software support for primitive restart in the VBO module.
3082 GLboolean PrimitiveRestartInSoftware
;
3084 /** GL_ARB_map_buffer_alignment */
3085 GLuint MinMapBufferAlignment
;
3088 * Disable varying packing. This is out of spec, but potentially useful
3089 * for older platforms that supports a limited number of texture
3090 * indirections--on these platforms, unpacking the varyings in the fragment
3091 * shader increases the number of texture indirections by 1, which might
3092 * make some shaders not executable at all.
3094 * Drivers that support transform feedback must set this value to GL_FALSE.
3096 GLboolean DisableVaryingPacking
;
3099 * Maximum value supported for an index in DrawElements and friends.
3101 * This must be at least (1ull<<24)-1. The default value is
3104 * \since ES 3.0 or GL_ARB_ES3_compatibility
3105 * \sa _mesa_init_constants
3107 GLuint64 MaxElementIndex
;
3110 * Disable interpretation of line continuations (lines ending with a
3111 * backslash character ('\') in GLSL source.
3113 GLboolean DisableGLSLLineContinuations
;
3115 /** GL_ARB_texture_multisample */
3116 GLint MaxColorTextureSamples
;
3117 GLint MaxDepthTextureSamples
;
3118 GLint MaxIntegerSamples
;
3123 * Enable flag for each OpenGL extension. Different device drivers will
3124 * enable different extensions at runtime.
3126 struct gl_extensions
3128 GLboolean dummy
; /* don't remove this! */
3129 GLboolean dummy_true
; /* Set true by _mesa_init_extensions(). */
3130 GLboolean dummy_false
; /* Set false by _mesa_init_extensions(). */
3131 GLboolean ANGLE_texture_compression_dxt
;
3132 GLboolean ARB_ES2_compatibility
;
3133 GLboolean ARB_ES3_compatibility
;
3134 GLboolean ARB_base_instance
;
3135 GLboolean ARB_blend_func_extended
;
3136 GLboolean ARB_color_buffer_float
;
3137 GLboolean ARB_conservative_depth
;
3138 GLboolean ARB_depth_buffer_float
;
3139 GLboolean ARB_depth_clamp
;
3140 GLboolean ARB_depth_texture
;
3141 GLboolean ARB_draw_buffers_blend
;
3142 GLboolean ARB_draw_elements_base_vertex
;
3143 GLboolean ARB_draw_instanced
;
3144 GLboolean ARB_fragment_coord_conventions
;
3145 GLboolean ARB_fragment_program
;
3146 GLboolean ARB_fragment_program_shadow
;
3147 GLboolean ARB_fragment_shader
;
3148 GLboolean ARB_framebuffer_object
;
3149 GLboolean ARB_explicit_attrib_location
;
3150 GLboolean ARB_geometry_shader4
;
3151 GLboolean ARB_half_float_pixel
;
3152 GLboolean ARB_half_float_vertex
;
3153 GLboolean ARB_instanced_arrays
;
3154 GLboolean ARB_internalformat_query
;
3155 GLboolean ARB_map_buffer_alignment
;
3156 GLboolean ARB_map_buffer_range
;
3157 GLboolean ARB_occlusion_query
;
3158 GLboolean ARB_occlusion_query2
;
3159 GLboolean ARB_point_sprite
;
3160 GLboolean ARB_seamless_cube_map
;
3161 GLboolean ARB_shader_bit_encoding
;
3162 GLboolean ARB_shader_objects
;
3163 GLboolean ARB_shader_stencil_export
;
3164 GLboolean ARB_shader_texture_lod
;
3165 GLboolean ARB_shading_language_100
;
3166 GLboolean ARB_shading_language_packing
;
3167 GLboolean ARB_shadow
;
3169 GLboolean ARB_texture_border_clamp
;
3170 GLboolean ARB_texture_buffer_object
;
3171 GLboolean ARB_texture_buffer_object_rgb32
;
3172 GLboolean ARB_texture_buffer_range
;
3173 GLboolean ARB_texture_compression_rgtc
;
3174 GLboolean ARB_texture_cube_map
;
3175 GLboolean ARB_texture_cube_map_array
;
3176 GLboolean ARB_texture_env_combine
;
3177 GLboolean ARB_texture_env_crossbar
;
3178 GLboolean ARB_texture_env_dot3
;
3179 GLboolean ARB_texture_float
;
3180 GLboolean ARB_texture_multisample
;
3181 GLboolean ARB_texture_non_power_of_two
;
3182 GLboolean ARB_texture_rg
;
3183 GLboolean ARB_texture_rgb10_a2ui
;
3184 GLboolean ARB_texture_storage
;
3185 GLboolean ARB_timer_query
;
3186 GLboolean ARB_transform_feedback2
;
3187 GLboolean ARB_transform_feedback3
;
3188 GLboolean ARB_transform_feedback_instanced
;
3189 GLboolean ARB_uniform_buffer_object
;
3190 GLboolean ARB_vertex_program
;
3191 GLboolean ARB_vertex_shader
;
3192 GLboolean ARB_vertex_type_2_10_10_10_rev
;
3193 GLboolean EXT_blend_color
;
3194 GLboolean EXT_blend_equation_separate
;
3195 GLboolean EXT_blend_func_separate
;
3196 GLboolean EXT_blend_minmax
;
3197 GLboolean EXT_clip_volume_hint
;
3198 GLboolean EXT_depth_bounds_test
;
3199 GLboolean EXT_draw_buffers2
;
3200 GLboolean EXT_fog_coord
;
3201 GLboolean EXT_framebuffer_blit
;
3202 GLboolean EXT_framebuffer_multisample
;
3203 GLboolean EXT_framebuffer_object
;
3204 GLboolean EXT_framebuffer_sRGB
;
3205 GLboolean EXT_gpu_program_parameters
;
3206 GLboolean EXT_gpu_shader4
;
3207 GLboolean EXT_packed_depth_stencil
;
3208 GLboolean EXT_packed_float
;
3209 GLboolean EXT_pixel_buffer_object
;
3210 GLboolean EXT_point_parameters
;
3211 GLboolean EXT_provoking_vertex
;
3212 GLboolean EXT_shadow_funcs
;
3213 GLboolean EXT_secondary_color
;
3214 GLboolean EXT_separate_shader_objects
;
3215 GLboolean EXT_stencil_two_side
;
3216 GLboolean EXT_texture3D
;
3217 GLboolean EXT_texture_array
;
3218 GLboolean EXT_texture_compression_latc
;
3219 GLboolean EXT_texture_compression_s3tc
;
3220 GLboolean EXT_texture_env_dot3
;
3221 GLboolean EXT_texture_filter_anisotropic
;
3222 GLboolean EXT_texture_integer
;
3223 GLboolean EXT_texture_mirror_clamp
;
3224 GLboolean EXT_texture_shared_exponent
;
3225 GLboolean EXT_texture_snorm
;
3226 GLboolean EXT_texture_sRGB
;
3227 GLboolean EXT_texture_sRGB_decode
;
3228 GLboolean EXT_texture_swizzle
;
3229 GLboolean EXT_transform_feedback
;
3230 GLboolean EXT_timer_query
;
3231 GLboolean EXT_vertex_array_bgra
;
3232 GLboolean OES_standard_derivatives
;
3233 /* vendor extensions */
3234 GLboolean AMD_seamless_cubemap_per_texture
;
3235 GLboolean APPLE_object_purgeable
;
3236 GLboolean ATI_envmap_bumpmap
;
3237 GLboolean ATI_texture_compression_3dc
;
3238 GLboolean ATI_texture_mirror_once
;
3239 GLboolean ATI_texture_env_combine3
;
3240 GLboolean ATI_fragment_shader
;
3241 GLboolean ATI_separate_stencil
;
3242 GLboolean MESA_pack_invert
;
3243 GLboolean MESA_resize_buffers
;
3244 GLboolean MESA_ycbcr_texture
;
3245 GLboolean MESA_texture_array
;
3246 GLboolean NV_blend_square
;
3247 GLboolean NV_conditional_render
;
3248 GLboolean NV_fog_distance
;
3249 GLboolean NV_fragment_program_option
;
3250 GLboolean NV_point_sprite
;
3251 GLboolean NV_primitive_restart
;
3252 GLboolean NV_texture_barrier
;
3253 GLboolean NV_texture_env_combine4
;
3254 GLboolean NV_texture_rectangle
;
3255 GLboolean TDFX_texture_compression_FXT1
;
3256 GLboolean OES_EGL_image
;
3257 GLboolean OES_draw_texture
;
3258 GLboolean OES_depth_texture_cube_map
;
3259 GLboolean OES_EGL_image_external
;
3260 GLboolean OES_compressed_ETC1_RGB8_texture
;
3261 GLboolean extension_sentinel
;
3262 /** The extension string */
3263 const GLubyte
*String
;
3264 /** Number of supported extensions */
3270 * A stack of matrices (projection, modelview, color, texture, etc).
3272 struct gl_matrix_stack
3274 GLmatrix
*Top
; /**< points into Stack */
3275 GLmatrix
*Stack
; /**< array [MaxDepth] of GLmatrix */
3276 GLuint Depth
; /**< 0 <= Depth < MaxDepth */
3277 GLuint MaxDepth
; /**< size of Stack[] array */
3278 GLuint DirtyFlag
; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
3283 * \name Bits for image transfer operations
3284 * \sa __struct gl_contextRec::ImageTransferState.
3287 #define IMAGE_SCALE_BIAS_BIT 0x1
3288 #define IMAGE_SHIFT_OFFSET_BIT 0x2
3289 #define IMAGE_MAP_COLOR_BIT 0x4
3290 #define IMAGE_CLAMP_BIT 0x800
3293 /** Pixel Transfer ops */
3294 #define IMAGE_BITS (IMAGE_SCALE_BIAS_BIT | \
3295 IMAGE_SHIFT_OFFSET_BIT | \
3296 IMAGE_MAP_COLOR_BIT)
3299 * \name Bits to indicate what state has changed.
3302 #define _NEW_MODELVIEW (1 << 0) /**< gl_context::ModelView */
3303 #define _NEW_PROJECTION (1 << 1) /**< gl_context::Projection */
3304 #define _NEW_TEXTURE_MATRIX (1 << 2) /**< gl_context::TextureMatrix */
3305 #define _NEW_COLOR (1 << 3) /**< gl_context::Color */
3306 #define _NEW_DEPTH (1 << 4) /**< gl_context::Depth */
3307 #define _NEW_EVAL (1 << 5) /**< gl_context::Eval, EvalMap */
3308 #define _NEW_FOG (1 << 6) /**< gl_context::Fog */
3309 #define _NEW_HINT (1 << 7) /**< gl_context::Hint */
3310 #define _NEW_LIGHT (1 << 8) /**< gl_context::Light */
3311 #define _NEW_LINE (1 << 9) /**< gl_context::Line */
3312 #define _NEW_PIXEL (1 << 10) /**< gl_context::Pixel */
3313 #define _NEW_POINT (1 << 11) /**< gl_context::Point */
3314 #define _NEW_POLYGON (1 << 12) /**< gl_context::Polygon */
3315 #define _NEW_POLYGONSTIPPLE (1 << 13) /**< gl_context::PolygonStipple */
3316 #define _NEW_SCISSOR (1 << 14) /**< gl_context::Scissor */
3317 #define _NEW_STENCIL (1 << 15) /**< gl_context::Stencil */
3318 #define _NEW_TEXTURE (1 << 16) /**< gl_context::Texture */
3319 #define _NEW_TRANSFORM (1 << 17) /**< gl_context::Transform */
3320 #define _NEW_VIEWPORT (1 << 18) /**< gl_context::Viewport */
3321 #define _NEW_PACKUNPACK (1 << 19) /**< gl_context::Pack, Unpack */
3322 #define _NEW_ARRAY (1 << 20) /**< gl_context::Array */
3323 #define _NEW_RENDERMODE (1 << 21) /**< gl_context::RenderMode, etc */
3324 #define _NEW_BUFFERS (1 << 22) /**< gl_context::Visual, DrawBuffer, */
3325 #define _NEW_CURRENT_ATTRIB (1 << 23) /**< gl_context::Current */
3326 #define _NEW_MULTISAMPLE (1 << 24) /**< gl_context::Multisample */
3327 #define _NEW_TRACK_MATRIX (1 << 25) /**< gl_context::VertexProgram */
3328 #define _NEW_PROGRAM (1 << 26) /**< New program/shader state */
3329 #define _NEW_PROGRAM_CONSTANTS (1 << 27)
3330 #define _NEW_BUFFER_OBJECT (1 << 28)
3331 #define _NEW_FRAG_CLAMP (1 << 29)
3332 #define _NEW_TRANSFORM_FEEDBACK (1 << 30) /**< gl_context::TransformFeedback */
3333 #define _NEW_VARYING_VP_INPUTS (1 << 31) /**< gl_context::varying_vp_inputs */
3337 * We use _NEW_TRANSFORM for GL_RASTERIZER_DISCARD. This #define is for
3340 #define _NEW_RASTERIZER_DISCARD _NEW_TRANSFORM
3345 * \name A bunch of flags that we think might be useful to drivers.
3347 * Set in the __struct gl_contextRec::_TriangleCaps bitfield.
3350 #define DD_SEPARATE_SPECULAR (1 << 0)
3351 #define DD_TRI_LIGHT_TWOSIDE (1 << 1)
3352 #define DD_TRI_UNFILLED (1 << 2)
3353 #define DD_TRI_SMOOTH (1 << 3)
3354 #define DD_TRI_STIPPLE (1 << 4)
3355 #define DD_TRI_OFFSET (1 << 5)
3356 #define DD_LINE_SMOOTH (1 << 6)
3357 #define DD_LINE_STIPPLE (1 << 7)
3358 #define DD_POINT_SMOOTH (1 << 8)
3359 #define DD_POINT_ATTEN (1 << 9)
3364 * Composite state flags
3367 #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
3373 #define _MESA_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | \
3383 /* This has to be included here. */
3388 * Display list flags.
3389 * Strictly this is a tnl-private concept, but it doesn't seem
3390 * worthwhile adding a tnl private structure just to hold this one bit
3393 #define DLIST_DANGLING_REFS 0x1
3396 /** Opaque declaration of display list payload data type */
3397 union gl_dlist_node
;
3401 * Provide a location where information about a display list can be
3402 * collected. Could be extended with driverPrivate structures,
3403 * etc. in the future.
3405 struct gl_display_list
3408 GLbitfield Flags
; /**< DLIST_x flags */
3409 /** The dlist commands are in a linked list of nodes */
3410 union gl_dlist_node
*Head
;
3415 * State used during display list compilation and execution.
3417 struct gl_dlist_state
3419 GLuint CallDepth
; /**< Current recursion calling depth */
3421 struct gl_display_list
*CurrentList
; /**< List currently being compiled */
3422 union gl_dlist_node
*CurrentBlock
; /**< Pointer to current block of nodes */
3423 GLuint CurrentPos
; /**< Index into current block of nodes */
3425 GLvertexformat ListVtxfmt
;
3427 GLubyte ActiveAttribSize
[VERT_ATTRIB_MAX
];
3428 GLfloat CurrentAttrib
[VERT_ATTRIB_MAX
][4];
3430 GLubyte ActiveMaterialSize
[MAT_ATTRIB_MAX
];
3431 GLfloat CurrentMaterial
[MAT_ATTRIB_MAX
][4];
3434 /* State known to have been set by the currently-compiling display
3435 * list. Used to eliminate some redundant state changes.
3443 * These are a mapping of the GL_ARB_debug_output enums to small enums
3444 * suitable for use as an array index.
3447 enum mesa_debug_source
{
3448 MESA_DEBUG_SOURCE_API
,
3449 MESA_DEBUG_SOURCE_WINDOW_SYSTEM
,
3450 MESA_DEBUG_SOURCE_SHADER_COMPILER
,
3451 MESA_DEBUG_SOURCE_THIRD_PARTY
,
3452 MESA_DEBUG_SOURCE_APPLICATION
,
3453 MESA_DEBUG_SOURCE_OTHER
,
3454 MESA_DEBUG_SOURCE_COUNT
,
3457 enum mesa_debug_type
{
3458 MESA_DEBUG_TYPE_ERROR
,
3459 MESA_DEBUG_TYPE_DEPRECATED
,
3460 MESA_DEBUG_TYPE_UNDEFINED
,
3461 MESA_DEBUG_TYPE_PORTABILITY
,
3462 MESA_DEBUG_TYPE_PERFORMANCE
,
3463 MESA_DEBUG_TYPE_OTHER
,
3464 MESA_DEBUG_TYPE_COUNT
,
3467 enum mesa_debug_severity
{
3468 MESA_DEBUG_SEVERITY_LOW
,
3469 MESA_DEBUG_SEVERITY_MEDIUM
,
3470 MESA_DEBUG_SEVERITY_HIGH
,
3471 MESA_DEBUG_SEVERITY_COUNT
,
3477 * An error, warning, or other piece of debug information for an application
3478 * to consume via GL_ARB_debug_output.
3482 enum mesa_debug_source source
;
3483 enum mesa_debug_type type
;
3485 enum mesa_debug_severity severity
;
3490 struct gl_debug_namespace
3492 struct _mesa_HashTable
*IDs
;
3493 unsigned ZeroID
; /* a HashTable won't take zero, so store its state here */
3494 /** lists of IDs in the hash table at each severity */
3495 struct simple_node Severity
[MESA_DEBUG_SEVERITY_COUNT
];
3498 struct gl_debug_state
3500 GLDEBUGPROCARB Callback
;
3501 GLvoid
*CallbackData
;
3502 GLboolean SyncOutput
;
3503 GLboolean Defaults
[MESA_DEBUG_SEVERITY_COUNT
][MESA_DEBUG_SOURCE_COUNT
][MESA_DEBUG_TYPE_COUNT
];
3504 struct gl_debug_namespace Namespaces
[MESA_DEBUG_SOURCE_COUNT
][MESA_DEBUG_TYPE_COUNT
];
3505 struct gl_debug_msg Log
[MAX_DEBUG_LOGGED_MESSAGES
];
3508 GLint NextMsgLength
; /* redundant, but copied here from Log[NextMsg].length
3509 for the sake of the offsetof() code in get.c */
3513 * Enum for the OpenGL APIs we know about and may support.
3515 * NOTE: This must match the api_enum table in
3516 * src/mesa/main/get_hash_generator.py
3520 API_OPENGL_COMPAT
, /* legacy / compatibility contexts */
3524 API_OPENGL_LAST
= API_OPENGL_CORE
,
3528 * Driver-specific state flags.
3530 * These are or'd with gl_context::NewDriverState to notify a driver about
3531 * a state change. The driver sets the flags at context creation and
3532 * the meaning of the bits set is opaque to core Mesa.
3534 struct gl_driver_flags
3536 GLbitfield NewArray
; /**< Vertex array state */
3539 struct gl_uniform_buffer_binding
3541 struct gl_buffer_object
*BufferObject
;
3542 /** Start of uniform block data in the buffer */
3544 /** Size of data allowed to be referenced from the buffer (in bytes) */
3547 * glBindBufferBase() indicates that the Size should be ignored and only
3548 * limited by the current size of the BufferObject.
3550 GLboolean AutomaticSize
;
3554 * Mesa rendering context.
3556 * This is the central context data structure for Mesa. Almost all
3557 * OpenGL state is contained in this structure.
3558 * Think of this as a base class from which device drivers will derive
3561 * The struct gl_context typedef names this structure.
3565 /** State possibly shared with other contexts in the address space */
3566 struct gl_shared_state
*Shared
;
3568 /** \name API function pointer tables */
3572 * The current dispatch table for non-displaylist-saving execution, either
3573 * BeginEnd or OutsideBeginEnd
3575 struct _glapi_table
*Exec
;
3577 * The normal dispatch table for non-displaylist-saving, non-begin/end
3579 struct _glapi_table
*OutsideBeginEnd
;
3580 /** The dispatch table used between glNewList() and glEndList() */
3581 struct _glapi_table
*Save
;
3583 * The dispatch table used between glBegin() and glEnd() (outside of a
3584 * display list). Only valid functions between those two are set, which is
3585 * mostly just the set in a GLvertexformat struct.
3587 struct _glapi_table
*BeginEnd
;
3589 * Tracks the current dispatch table out of the 3 above, so that it can be
3590 * re-set on glXMakeCurrent().
3592 struct _glapi_table
*CurrentDispatch
;
3595 struct gl_config Visual
;
3596 struct gl_framebuffer
*DrawBuffer
; /**< buffer for writing */
3597 struct gl_framebuffer
*ReadBuffer
; /**< buffer for reading */
3598 struct gl_framebuffer
*WinSysDrawBuffer
; /**< set with MakeCurrent */
3599 struct gl_framebuffer
*WinSysReadBuffer
; /**< set with MakeCurrent */
3602 * Device driver function pointer table
3604 struct dd_function_table Driver
;
3606 /** Core/Driver constants */
3607 struct gl_constants Const
;
3609 /** \name The various 4x4 matrix stacks */
3611 struct gl_matrix_stack ModelviewMatrixStack
;
3612 struct gl_matrix_stack ProjectionMatrixStack
;
3613 struct gl_matrix_stack TextureMatrixStack
[MAX_TEXTURE_UNITS
];
3614 struct gl_matrix_stack ProgramMatrixStack
[MAX_PROGRAM_MATRICES
];
3615 struct gl_matrix_stack
*CurrentStack
; /**< Points to one of the above stacks */
3618 /** Combined modelview and projection matrix */
3619 GLmatrix _ModelProjectMatrix
;
3621 /** \name Display lists */
3622 struct gl_dlist_state ListState
;
3624 GLboolean ExecuteFlag
; /**< Execute GL commands? */
3625 GLboolean CompileFlag
; /**< Compile GL commands into display list? */
3627 /** Extension information */
3628 struct gl_extensions Extensions
;
3630 /** GL version integer, for example 31 for GL 3.1, or 20 for GLES 2.0. */
3632 char *VersionString
;
3634 /** \name State attribute stack (for glPush/PopAttrib) */
3636 GLuint AttribStackDepth
;
3637 struct gl_attrib_node
*AttribStack
[MAX_ATTRIB_STACK_DEPTH
];
3640 /** \name Renderer attribute groups
3642 * We define a struct for each attribute group to make pushing and popping
3643 * attributes easy. Also it's a good organization.
3646 struct gl_accum_attrib Accum
; /**< Accum buffer attributes */
3647 struct gl_colorbuffer_attrib Color
; /**< Color buffer attributes */
3648 struct gl_current_attrib Current
; /**< Current attributes */
3649 struct gl_depthbuffer_attrib Depth
; /**< Depth buffer attributes */
3650 struct gl_eval_attrib Eval
; /**< Eval attributes */
3651 struct gl_fog_attrib Fog
; /**< Fog attributes */
3652 struct gl_hint_attrib Hint
; /**< Hint attributes */
3653 struct gl_light_attrib Light
; /**< Light attributes */
3654 struct gl_line_attrib Line
; /**< Line attributes */
3655 struct gl_list_attrib List
; /**< List attributes */
3656 struct gl_multisample_attrib Multisample
;
3657 struct gl_pixel_attrib Pixel
; /**< Pixel attributes */
3658 struct gl_point_attrib Point
; /**< Point attributes */
3659 struct gl_polygon_attrib Polygon
; /**< Polygon attributes */
3660 GLuint PolygonStipple
[32]; /**< Polygon stipple */
3661 struct gl_scissor_attrib Scissor
; /**< Scissor attributes */
3662 struct gl_stencil_attrib Stencil
; /**< Stencil buffer attributes */
3663 struct gl_texture_attrib Texture
; /**< Texture attributes */
3664 struct gl_transform_attrib Transform
; /**< Transformation attributes */
3665 struct gl_viewport_attrib Viewport
; /**< Viewport attributes */
3668 /** \name Client attribute stack */
3670 GLuint ClientAttribStackDepth
;
3671 struct gl_attrib_node
*ClientAttribStack
[MAX_CLIENT_ATTRIB_STACK_DEPTH
];
3674 /** \name Client attribute groups */
3676 struct gl_array_attrib Array
; /**< Vertex arrays */
3677 struct gl_pixelstore_attrib Pack
; /**< Pixel packing */
3678 struct gl_pixelstore_attrib Unpack
; /**< Pixel unpacking */
3679 struct gl_pixelstore_attrib DefaultPacking
; /**< Default params */
3682 /** \name Other assorted state (not pushed/popped on attribute stack) */
3684 struct gl_pixelmaps PixelMaps
;
3686 struct gl_evaluators EvalMap
; /**< All evaluators */
3687 struct gl_feedback Feedback
; /**< Feedback */
3688 struct gl_selection Select
; /**< Selection */
3690 struct gl_program_state Program
; /**< general program state */
3691 struct gl_vertex_program_state VertexProgram
;
3692 struct gl_fragment_program_state FragmentProgram
;
3693 struct gl_geometry_program_state GeometryProgram
;
3694 struct gl_ati_fragment_shader_state ATIFragmentShader
;
3696 struct gl_shader_state Shader
; /**< GLSL shader object state */
3697 struct gl_shader_compiler_options ShaderCompilerOptions
[MESA_SHADER_TYPES
];
3699 struct gl_query_state Query
; /**< occlusion, timer queries */
3701 struct gl_transform_feedback_state TransformFeedback
;
3703 struct gl_buffer_object
*CopyReadBuffer
; /**< GL_ARB_copy_buffer */
3704 struct gl_buffer_object
*CopyWriteBuffer
; /**< GL_ARB_copy_buffer */
3707 * Current GL_ARB_uniform_buffer_object binding referenced by
3708 * GL_UNIFORM_BUFFER target for glBufferData, glMapBuffer, etc.
3710 struct gl_buffer_object
*UniformBuffer
;
3713 * Array of uniform buffers for GL_ARB_uniform_buffer_object and GL 3.1.
3714 * This is set up using glBindBufferRange() or glBindBufferBase(). They are
3715 * associated with uniform blocks by glUniformBlockBinding()'s state in the
3718 struct gl_uniform_buffer_binding
*UniformBufferBindings
;
3722 struct gl_meta_state
*Meta
; /**< for "meta" operations */
3724 /* GL_EXT_framebuffer_object */
3725 struct gl_renderbuffer
*CurrentRenderbuffer
;
3727 GLenum ErrorValue
; /**< Last error code */
3729 /* GL_ARB_robustness */
3733 * Recognize and silence repeated error debug messages in buggy apps.
3735 const char *ErrorDebugFmtString
;
3736 GLuint ErrorDebugCount
;
3738 /* GL_ARB_debug_output */
3739 struct gl_debug_state Debug
;
3741 GLenum RenderMode
; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
3742 GLbitfield NewState
; /**< bitwise-or of _NEW_* flags */
3743 GLbitfield NewDriverState
;/**< bitwise-or of flags from DriverFlags */
3745 struct gl_driver_flags DriverFlags
;
3747 GLboolean ViewportInitialized
; /**< has viewport size been initialized? */
3749 GLbitfield64 varying_vp_inputs
; /**< mask of VERT_BIT_* flags */
3751 /** \name Derived state */
3753 /** Bitwise-or of DD_* flags. Note that this bitfield may be used before
3754 * state validation so they need to always be current.
3756 GLbitfield _TriangleCaps
;
3757 GLbitfield _ImageTransferState
;/**< bitwise-or of IMAGE_*_BIT flags */
3758 GLfloat _EyeZDir
[3];
3759 GLfloat _ModelViewInvScale
;
3760 GLboolean _NeedEyeCoords
;
3761 GLboolean _ForceEyeCoords
;
3763 GLuint TextureStateTimestamp
; /**< detect changes to shared state */
3765 struct gl_list_extensions
*ListExt
; /**< driver dlist extensions */
3767 /** \name For debugging/development only */
3769 GLboolean FirstTimeCurrent
;
3772 /** software compression/decompression supported or not */
3773 GLboolean Mesa_DXTn
;
3775 GLboolean TextureFormatSupported
[MESA_FORMAT_COUNT
];
3778 * Use dp4 (rather than mul/mad) instructions for position
3781 GLboolean mvp_with_dp4
;
3783 GLboolean RasterDiscard
; /**< GL_RASTERIZER_DISCARD */
3786 * \name Hooks for module contexts.
3788 * These will eventually live in the driver or elsewhere.
3791 void *swrast_context
;
3792 void *swsetup_context
;
3793 void *swtnl_context
;
3795 struct st_context
*st
;
3802 extern int MESA_VERBOSE
;
3803 extern int MESA_DEBUG_FLAGS
;
3804 # define MESA_FUNCTION __FUNCTION__
3806 # define MESA_VERBOSE 0
3807 # define MESA_DEBUG_FLAGS 0
3808 # define MESA_FUNCTION "a function"
3815 /** The MESA_VERBOSE var is a bitmask of these flags */
3818 VERBOSE_VARRAY
= 0x0001,
3819 VERBOSE_TEXTURE
= 0x0002,
3820 VERBOSE_MATERIAL
= 0x0004,
3821 VERBOSE_PIPELINE
= 0x0008,
3822 VERBOSE_DRIVER
= 0x0010,
3823 VERBOSE_STATE
= 0x0020,
3824 VERBOSE_API
= 0x0040,
3825 VERBOSE_DISPLAY_LIST
= 0x0100,
3826 VERBOSE_LIGHTING
= 0x0200,
3827 VERBOSE_PRIMS
= 0x0400,
3828 VERBOSE_VERTS
= 0x0800,
3829 VERBOSE_DISASSEM
= 0x1000,
3830 VERBOSE_DRAW
= 0x2000,
3831 VERBOSE_SWAPBUFFERS
= 0x4000
3835 /** The MESA_DEBUG_FLAGS var is a bitmask of these flags */
3838 DEBUG_SILENT
= (1 << 0),
3839 DEBUG_ALWAYS_FLUSH
= (1 << 1),
3840 DEBUG_INCOMPLETE_TEXTURE
= (1 << 2),
3841 DEBUG_INCOMPLETE_FBO
= (1 << 3)
3850 #endif /* MTYPES_H */