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/compiler.h"
40 #include "main/mfeatures.h"
41 #include "glapi/glapi.h"
42 #include "math/m_matrix.h" /* GLmatrix */
43 #include "main/simple_list.h" /* struct simple_node */
47 * Color channel data type.
50 typedef GLubyte GLchan
;
52 #define CHAN_MAXF 255.0F
53 #define CHAN_TYPE GL_UNSIGNED_BYTE
55 typedef GLushort GLchan
;
56 #define CHAN_MAX 65535
57 #define CHAN_MAXF 65535.0F
58 #define CHAN_TYPE GL_UNSIGNED_SHORT
60 typedef GLfloat GLchan
;
62 #define CHAN_MAXF 1.0F
63 #define CHAN_TYPE GL_FLOAT
65 #error "illegal number of color channel bits"
70 * Stencil buffer data type.
73 typedef GLubyte GLstencil
;
74 #elif STENCIL_BITS==16
75 typedef GLushort GLstencil
;
77 # error "illegal number of stencil bits"
82 * \name 64-bit extension of GLbitfield.
85 typedef GLuint64 GLbitfield64
;
87 #define BITFIELD64_ONE 1ULL
88 #define BITFIELD64_ALLONES ~0ULL
90 /** Set a single bit */
91 #define BITFIELD64_BIT(b) (BITFIELD64_ONE << (b))
93 /** Set a mask of the least significant \c b bits */
94 #define BITFIELD64_MASK(b) (((b) >= 64) ? BITFIELD64_ALLONES : \
95 (BITFIELD64_BIT(b) - 1))
98 * Set all bits from l (low bit) to h (high bit), inclusive.
100 * \note \C BITFIELD_64_RANGE(0, 63) return 64 set bits.
102 #define BITFIELD64_RANGE(l, h) (BITFIELD64_MASK((h) + 1) & ~BITFIELD64_MASK(l))
107 * \name Some forward type declarations
110 struct _mesa_HashTable
;
111 struct gl_attrib_node
;
112 struct gl_list_extensions
;
113 struct gl_meta_state
;
114 struct gl_pixelstore_attrib
;
115 struct gl_program_cache
;
116 struct gl_texture_format
;
117 struct gl_texture_image
;
118 struct gl_texture_object
;
120 typedef struct __GLcontextRec GLcontext
;
121 typedef struct __GLcontextModesRec GLvisual
;
122 typedef struct gl_framebuffer GLframebuffer
;
128 * Indexes for vertex program attributes.
129 * GL_NV_vertex_program aliases generic attributes over the conventional
130 * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
131 * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
132 * generic attributes are distinct/separate).
137 VERT_ATTRIB_WEIGHT
= 1,
138 VERT_ATTRIB_NORMAL
= 2,
139 VERT_ATTRIB_COLOR0
= 3,
140 VERT_ATTRIB_COLOR1
= 4,
142 VERT_ATTRIB_COLOR_INDEX
= 6,
143 VERT_ATTRIB_POINT_SIZE
= 6, /*alias*/
144 VERT_ATTRIB_EDGEFLAG
= 7,
145 VERT_ATTRIB_TEX0
= 8,
146 VERT_ATTRIB_TEX1
= 9,
147 VERT_ATTRIB_TEX2
= 10,
148 VERT_ATTRIB_TEX3
= 11,
149 VERT_ATTRIB_TEX4
= 12,
150 VERT_ATTRIB_TEX5
= 13,
151 VERT_ATTRIB_TEX6
= 14,
152 VERT_ATTRIB_TEX7
= 15,
153 VERT_ATTRIB_GENERIC0
= 16,
154 VERT_ATTRIB_GENERIC1
= 17,
155 VERT_ATTRIB_GENERIC2
= 18,
156 VERT_ATTRIB_GENERIC3
= 19,
157 VERT_ATTRIB_GENERIC4
= 20,
158 VERT_ATTRIB_GENERIC5
= 21,
159 VERT_ATTRIB_GENERIC6
= 22,
160 VERT_ATTRIB_GENERIC7
= 23,
161 VERT_ATTRIB_GENERIC8
= 24,
162 VERT_ATTRIB_GENERIC9
= 25,
163 VERT_ATTRIB_GENERIC10
= 26,
164 VERT_ATTRIB_GENERIC11
= 27,
165 VERT_ATTRIB_GENERIC12
= 28,
166 VERT_ATTRIB_GENERIC13
= 29,
167 VERT_ATTRIB_GENERIC14
= 30,
168 VERT_ATTRIB_GENERIC15
= 31,
173 * Bitflags for vertex attributes.
174 * These are used in bitfields in many places.
177 #define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
178 #define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
179 #define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
180 #define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
181 #define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
182 #define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
183 #define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
184 #define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
185 #define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
186 #define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
187 #define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
188 #define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
189 #define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
190 #define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
191 #define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
192 #define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
193 #define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
194 #define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
195 #define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
196 #define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
197 #define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
198 #define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
199 #define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
200 #define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
201 #define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
202 #define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
203 #define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
204 #define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
205 #define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
206 #define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
207 #define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
208 #define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
210 #define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
211 #define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
216 * Indexes for vertex program result attributes
220 VERT_RESULT_HPOS
= 0,
221 VERT_RESULT_COL0
= 1,
222 VERT_RESULT_COL1
= 2,
223 VERT_RESULT_FOGC
= 3,
224 VERT_RESULT_TEX0
= 4,
225 VERT_RESULT_TEX1
= 5,
226 VERT_RESULT_TEX2
= 6,
227 VERT_RESULT_TEX3
= 7,
228 VERT_RESULT_TEX4
= 8,
229 VERT_RESULT_TEX5
= 9,
230 VERT_RESULT_TEX6
= 10,
231 VERT_RESULT_TEX7
= 11,
232 VERT_RESULT_PSIZ
= 12,
233 VERT_RESULT_BFC0
= 13,
234 VERT_RESULT_BFC1
= 14,
235 VERT_RESULT_EDGE
= 15,
236 VERT_RESULT_VAR0
= 16, /**< shader varying */
237 VERT_RESULT_MAX
= (VERT_RESULT_VAR0
+ MAX_VARYING
)
242 * Indexes for fragment program input attributes.
246 FRAG_ATTRIB_WPOS
= 0,
247 FRAG_ATTRIB_COL0
= 1,
248 FRAG_ATTRIB_COL1
= 2,
249 FRAG_ATTRIB_FOGC
= 3,
250 FRAG_ATTRIB_TEX0
= 4,
251 FRAG_ATTRIB_TEX1
= 5,
252 FRAG_ATTRIB_TEX2
= 6,
253 FRAG_ATTRIB_TEX3
= 7,
254 FRAG_ATTRIB_TEX4
= 8,
255 FRAG_ATTRIB_TEX5
= 9,
256 FRAG_ATTRIB_TEX6
= 10,
257 FRAG_ATTRIB_TEX7
= 11,
258 FRAG_ATTRIB_FACE
= 12, /**< front/back face */
259 FRAG_ATTRIB_PNTC
= 13, /**< sprite/point coord */
260 FRAG_ATTRIB_VAR0
= 14, /**< shader varying */
261 FRAG_ATTRIB_MAX
= (FRAG_ATTRIB_VAR0
+ MAX_VARYING
)
265 * Bitflags for fragment program input attributes.
268 #define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
269 #define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
270 #define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
271 #define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
272 #define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE)
273 #define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC)
274 #define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
275 #define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
276 #define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
277 #define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
278 #define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
279 #define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
280 #define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
281 #define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
282 #define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
284 #define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
285 #define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
287 #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
299 * Fragment program results
303 FRAG_RESULT_DEPTH
= 0,
304 FRAG_RESULT_COLOR
= 1,
305 FRAG_RESULT_DATA0
= 2,
306 FRAG_RESULT_MAX
= (FRAG_RESULT_DATA0
+ MAX_DRAW_BUFFERS
)
311 * Indexes for all renderbuffers
315 /* the four standard color buffers */
323 /* optional aux buffer */
325 /* generic renderbuffers */
338 * Bit flags for all renderbuffers
340 #define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
341 #define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
342 #define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
343 #define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
344 #define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
345 #define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
346 #define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
347 #define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
348 #define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
349 #define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
350 #define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
351 #define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
352 #define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
353 #define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
354 #define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
355 #define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
356 #define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
357 #define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
358 #define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
361 * Mask of all the color buffer bits (but not accum).
363 #define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
364 BUFFER_BIT_BACK_LEFT | \
365 BUFFER_BIT_FRONT_RIGHT | \
366 BUFFER_BIT_BACK_RIGHT | \
368 BUFFER_BIT_COLOR0 | \
369 BUFFER_BIT_COLOR1 | \
370 BUFFER_BIT_COLOR2 | \
371 BUFFER_BIT_COLOR3 | \
372 BUFFER_BIT_COLOR4 | \
373 BUFFER_BIT_COLOR5 | \
374 BUFFER_BIT_COLOR6 | \
378 /** The pixel transfer path has three color tables: */
381 COLORTABLE_PRECONVOLUTION
,
382 COLORTABLE_POSTCONVOLUTION
,
383 COLORTABLE_POSTCOLORMATRIX
,
385 } gl_colortable_index
;
389 * Data structure for color tables
391 struct gl_color_table
393 GLenum InternalFormat
; /**< The user-specified format */
394 GLenum _BaseFormat
; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
395 GLuint Size
; /**< number of entries in table */
396 GLfloat
*TableF
; /**< Color table, floating point values */
397 GLubyte
*TableUB
; /**< Color table, ubyte values */
402 GLubyte LuminanceSize
;
403 GLubyte IntensitySize
;
408 * \name Bit flags used for updating material values.
411 #define MAT_ATTRIB_FRONT_AMBIENT 0
412 #define MAT_ATTRIB_BACK_AMBIENT 1
413 #define MAT_ATTRIB_FRONT_DIFFUSE 2
414 #define MAT_ATTRIB_BACK_DIFFUSE 3
415 #define MAT_ATTRIB_FRONT_SPECULAR 4
416 #define MAT_ATTRIB_BACK_SPECULAR 5
417 #define MAT_ATTRIB_FRONT_EMISSION 6
418 #define MAT_ATTRIB_BACK_EMISSION 7
419 #define MAT_ATTRIB_FRONT_SHININESS 8
420 #define MAT_ATTRIB_BACK_SHININESS 9
421 #define MAT_ATTRIB_FRONT_INDEXES 10
422 #define MAT_ATTRIB_BACK_INDEXES 11
423 #define MAT_ATTRIB_MAX 12
425 #define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
426 #define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
427 #define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
428 #define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
429 #define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
430 #define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
432 #define MAT_INDEX_AMBIENT 0
433 #define MAT_INDEX_DIFFUSE 1
434 #define MAT_INDEX_SPECULAR 2
436 #define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
437 #define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
438 #define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
439 #define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
440 #define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
441 #define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
442 #define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
443 #define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
444 #define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
445 #define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
446 #define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
447 #define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
450 #define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
451 MAT_BIT_FRONT_AMBIENT | \
452 MAT_BIT_FRONT_DIFFUSE | \
453 MAT_BIT_FRONT_SPECULAR | \
454 MAT_BIT_FRONT_SHININESS | \
455 MAT_BIT_FRONT_INDEXES)
457 #define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
458 MAT_BIT_BACK_AMBIENT | \
459 MAT_BIT_BACK_DIFFUSE | \
460 MAT_BIT_BACK_SPECULAR | \
461 MAT_BIT_BACK_SHININESS | \
462 MAT_BIT_BACK_INDEXES)
464 #define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
468 #define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
469 #define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
472 * Material shininess lookup table.
476 struct gl_shine_tab
*next
, *prev
;
477 GLfloat tab
[SHINE_TABLE_SIZE
+1];
484 * Light source state.
488 struct gl_light
*next
; /**< double linked list with sentinel */
489 struct gl_light
*prev
;
491 GLfloat Ambient
[4]; /**< ambient color */
492 GLfloat Diffuse
[4]; /**< diffuse color */
493 GLfloat Specular
[4]; /**< specular color */
494 GLfloat EyePosition
[4]; /**< position in eye coordinates */
495 GLfloat SpotDirection
[4]; /**< spotlight direction in eye coordinates */
496 GLfloat SpotExponent
;
497 GLfloat SpotCutoff
; /**< in degrees */
498 GLfloat _CosCutoffNeg
; /**< = cos(SpotCutoff) */
499 GLfloat _CosCutoff
; /**< = MAX(0, cos(SpotCutoff)) */
500 GLfloat ConstantAttenuation
;
501 GLfloat LinearAttenuation
;
502 GLfloat QuadraticAttenuation
;
503 GLboolean Enabled
; /**< On/off flag */
506 * \name Derived fields
509 GLbitfield _Flags
; /**< State */
511 GLfloat _Position
[4]; /**< position in eye/obj coordinates */
512 GLfloat _VP_inf_norm
[3]; /**< Norm direction to infinite light */
513 GLfloat _h_inf_norm
[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
514 GLfloat _NormSpotDirection
[4]; /**< normalized spotlight direction */
515 GLfloat _VP_inf_spot_attenuation
;
517 GLfloat _SpotExpTable
[EXP_TABLE_SIZE
][2]; /**< to replace a pow() call */
518 GLfloat _MatAmbient
[2][3]; /**< material ambient * light ambient */
519 GLfloat _MatDiffuse
[2][3]; /**< material diffuse * light diffuse */
520 GLfloat _MatSpecular
[2][3]; /**< material spec * light specular */
521 GLfloat _dli
; /**< CI diffuse light intensity */
522 GLfloat _sli
; /**< CI specular light intensity */
532 GLfloat Ambient
[4]; /**< ambient color */
533 GLboolean LocalViewer
; /**< Local (or infinite) view point? */
534 GLboolean TwoSide
; /**< Two (or one) sided lighting? */
535 GLenum ColorControl
; /**< either GL_SINGLE_COLOR
536 * or GL_SEPARATE_SPECULAR_COLOR */
545 GLfloat Attrib
[MAT_ATTRIB_MAX
][4];
550 * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
552 struct gl_accum_attrib
554 GLfloat ClearColor
[4]; /**< Accumulation buffer clear color */
559 * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
561 struct gl_colorbuffer_attrib
563 GLuint ClearIndex
; /**< Index to use for glClear */
564 GLclampf ClearColor
[4]; /**< Color to use for glClear */
566 GLuint IndexMask
; /**< Color index write mask */
567 GLubyte ColorMask
[MAX_DRAW_BUFFERS
][4];/**< Each flag is 0xff or 0x0 */
569 GLenum DrawBuffer
[MAX_DRAW_BUFFERS
]; /**< Which buffer to draw into */
572 * \name alpha testing
575 GLboolean AlphaEnabled
; /**< Alpha test enabled flag */
576 GLenum AlphaFunc
; /**< Alpha test function */
577 GLclampf AlphaRef
; /**< Alpha reference value */
584 GLbitfield BlendEnabled
; /**< Per-buffer blend enable flags */
585 GLenum BlendSrcRGB
; /**< Blending source operator */
586 GLenum BlendDstRGB
; /**< Blending destination operator */
587 GLenum BlendSrcA
; /**< GL_INGR_blend_func_separate */
588 GLenum BlendDstA
; /**< GL_INGR_blend_func_separate */
589 GLenum BlendEquationRGB
; /**< Blending equation */
590 GLenum BlendEquationA
; /**< GL_EXT_blend_equation_separate */
591 GLfloat BlendColor
[4]; /**< Blending color */
598 GLenum LogicOp
; /**< Logic operator */
599 GLboolean IndexLogicOpEnabled
; /**< Color index logic op enabled flag */
600 GLboolean ColorLogicOpEnabled
; /**< RGBA logic op enabled flag */
601 GLboolean _LogicOpEnabled
; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
604 GLboolean DitherFlag
; /**< Dither enable flag */
606 GLenum ClampFragmentColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
607 GLenum ClampReadColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
612 * Current attribute group (GL_CURRENT_BIT).
614 struct gl_current_attrib
617 * \name Current vertex attributes.
618 * \note Values are valid only after FLUSH_VERTICES has been called.
619 * \note Index and Edgeflag current values are stored as floats in the
620 * SIX and SEVEN attribute slots.
622 GLfloat Attrib
[VERT_ATTRIB_MAX
][4]; /**< Position, color, texcoords, etc */
625 * \name Current raster position attributes (always valid).
626 * \note This set of attributes is very similar to the SWvertex struct.
629 GLfloat RasterPos
[4];
630 GLfloat RasterDistance
;
631 GLfloat RasterColor
[4];
632 GLfloat RasterSecondaryColor
[4];
633 GLfloat RasterTexCoords
[MAX_TEXTURE_COORD_UNITS
][4];
634 GLboolean RasterPosValid
;
640 * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
642 struct gl_depthbuffer_attrib
644 GLenum Func
; /**< Function for depth buffer compare */
645 GLclampd Clear
; /**< Value to clear depth buffer to */
646 GLboolean Test
; /**< Depth buffering enabled flag */
647 GLboolean Mask
; /**< Depth buffer writable? */
648 GLboolean BoundsTest
; /**< GL_EXT_depth_bounds_test */
649 GLfloat BoundsMin
, BoundsMax
;/**< GL_EXT_depth_bounds_test */
654 * Evaluator attribute group (GL_EVAL_BIT).
656 struct gl_eval_attrib
662 GLboolean Map1Color4
;
664 GLboolean Map1Normal
;
665 GLboolean Map1TextureCoord1
;
666 GLboolean Map1TextureCoord2
;
667 GLboolean Map1TextureCoord3
;
668 GLboolean Map1TextureCoord4
;
669 GLboolean Map1Vertex3
;
670 GLboolean Map1Vertex4
;
671 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
672 GLboolean Map2Color4
;
674 GLboolean Map2Normal
;
675 GLboolean Map2TextureCoord1
;
676 GLboolean Map2TextureCoord2
;
677 GLboolean Map2TextureCoord3
;
678 GLboolean Map2TextureCoord4
;
679 GLboolean Map2Vertex3
;
680 GLboolean Map2Vertex4
;
681 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
682 GLboolean AutoNormal
;
686 * \name Map Grid endpoints and divisions and calculated du values
690 GLfloat MapGrid1u1
, MapGrid1u2
, MapGrid1du
;
691 GLint MapGrid2un
, MapGrid2vn
;
692 GLfloat MapGrid2u1
, MapGrid2u2
, MapGrid2du
;
693 GLfloat MapGrid2v1
, MapGrid2v2
, MapGrid2dv
;
699 * Fog attribute group (GL_FOG_BIT).
703 GLboolean Enabled
; /**< Fog enabled flag */
704 GLfloat Color
[4]; /**< Fog color */
705 GLfloat Density
; /**< Density >= 0.0 */
706 GLfloat Start
; /**< Start distance in eye coords */
707 GLfloat End
; /**< End distance in eye coords */
708 GLfloat Index
; /**< Fog index */
709 GLenum Mode
; /**< Fog mode */
710 GLboolean ColorSumEnabled
;
711 GLenum FogCoordinateSource
; /**< GL_EXT_fog_coord */
712 GLfloat _Scale
; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
717 * Hint attribute group (GL_HINT_BIT).
719 * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
721 struct gl_hint_attrib
723 GLenum PerspectiveCorrection
;
726 GLenum PolygonSmooth
;
728 GLenum ClipVolumeClipping
; /**< GL_EXT_clip_volume_hint */
729 GLenum TextureCompression
; /**< GL_ARB_texture_compression */
730 GLenum GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
731 GLenum FragmentShaderDerivative
; /**< GL_ARB_fragment_shader */
736 * Histogram attributes.
738 struct gl_histogram_attrib
740 GLuint Width
; /**< number of table entries */
741 GLint Format
; /**< GL_ALPHA, GL_RGB, etc */
742 GLuint Count
[HISTOGRAM_TABLE_SIZE
][4]; /**< the histogram */
743 GLboolean Sink
; /**< terminate image transfer? */
744 GLubyte RedSize
; /**< Bits per counter */
748 GLubyte LuminanceSize
;
753 * Color Min/max state.
755 struct gl_minmax_attrib
759 GLfloat Min
[4], Max
[4]; /**< RGBA */
764 * Image convolution state.
766 struct gl_convolution_attrib
769 GLenum InternalFormat
;
772 GLfloat Filter
[MAX_CONVOLUTION_WIDTH
* MAX_CONVOLUTION_HEIGHT
* 4];
780 #define LIGHT_SPOT 0x1
781 #define LIGHT_LOCAL_VIEWER 0x2
782 #define LIGHT_POSITIONAL 0x4
783 #define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
788 * Lighting attribute group (GL_LIGHT_BIT).
790 struct gl_light_attrib
792 struct gl_light Light
[MAX_LIGHTS
]; /**< Array of light sources */
793 struct gl_lightmodel Model
; /**< Lighting model */
796 * Must flush FLUSH_VERTICES before referencing:
799 struct gl_material Material
; /**< Includes front & back values */
802 GLboolean Enabled
; /**< Lighting enabled flag */
803 GLenum ShadeModel
; /**< GL_FLAT or GL_SMOOTH */
804 GLenum ProvokingVertex
; /**< GL_EXT_provoking_vertex */
805 GLenum ColorMaterialFace
; /**< GL_FRONT, BACK or FRONT_AND_BACK */
806 GLenum ColorMaterialMode
; /**< GL_AMBIENT, GL_DIFFUSE, etc */
807 GLbitfield ColorMaterialBitmask
; /**< bitmask formed from Face and Mode */
808 GLboolean ColorMaterialEnabled
;
809 GLenum ClampVertexColor
;
811 struct gl_light EnabledList
; /**< List sentinel */
814 * Derived state for optimizations:
817 GLboolean _NeedEyeCoords
;
818 GLboolean _NeedVertices
; /**< Use fast shader? */
819 GLbitfield _Flags
; /**< LIGHT_* flags, see above */
820 GLfloat _BaseColor
[2][3];
826 * Line attribute group (GL_LINE_BIT).
828 struct gl_line_attrib
830 GLboolean SmoothFlag
; /**< GL_LINE_SMOOTH enabled? */
831 GLboolean StippleFlag
; /**< GL_LINE_STIPPLE enabled? */
832 GLushort StipplePattern
; /**< Stipple pattern */
833 GLint StippleFactor
; /**< Stipple repeat factor */
834 GLfloat Width
; /**< Line width */
839 * Display list attribute group (GL_LIST_BIT).
841 struct gl_list_attrib
848 * Multisample attribute group (GL_MULTISAMPLE_BIT).
850 struct gl_multisample_attrib
853 GLboolean _Enabled
; /**< true if Enabled and multisample buffer */
854 GLboolean SampleAlphaToCoverage
;
855 GLboolean SampleAlphaToOne
;
856 GLboolean SampleCoverage
;
857 GLfloat SampleCoverageValue
;
858 GLboolean SampleCoverageInvert
;
863 * A pixelmap (see glPixelMap)
868 GLfloat Map
[MAX_PIXEL_MAP_TABLE
];
869 GLubyte Map8
[MAX_PIXEL_MAP_TABLE
]; /**< converted to 8-bit color */
874 * Collection of all pixelmaps
878 struct gl_pixelmap RtoR
; /**< i.e. GL_PIXEL_MAP_R_TO_R */
879 struct gl_pixelmap GtoG
;
880 struct gl_pixelmap BtoB
;
881 struct gl_pixelmap AtoA
;
882 struct gl_pixelmap ItoR
;
883 struct gl_pixelmap ItoG
;
884 struct gl_pixelmap ItoB
;
885 struct gl_pixelmap ItoA
;
886 struct gl_pixelmap ItoI
;
887 struct gl_pixelmap StoS
;
892 * Pixel attribute group (GL_PIXEL_MODE_BIT).
894 struct gl_pixel_attrib
896 GLenum ReadBuffer
; /**< source buffer for glRead/CopyPixels() */
898 /*--- Begin Pixel Transfer State ---*/
899 /* Fields are in the order in which they're applied... */
901 /** Scale & Bias (index shift, offset) */
903 GLfloat RedBias
, RedScale
;
904 GLfloat GreenBias
, GreenScale
;
905 GLfloat BlueBias
, BlueScale
;
906 GLfloat AlphaBias
, AlphaScale
;
907 GLfloat DepthBias
, DepthScale
;
908 GLint IndexShift
, IndexOffset
;
912 /* Note: actual pixel maps are not part of this attrib group */
913 GLboolean MapColorFlag
;
914 GLboolean MapStencilFlag
;
916 /* There are multiple color table stages: */
917 GLboolean ColorTableEnabled
[COLORTABLE_MAX
];
918 GLfloat ColorTableScale
[COLORTABLE_MAX
][4]; /**< RGBA */
919 GLfloat ColorTableBias
[COLORTABLE_MAX
][4]; /**< RGBA */
921 /* Convolution (GL_EXT_convolution) */
922 GLboolean Convolution1DEnabled
;
923 GLboolean Convolution2DEnabled
;
924 GLboolean Separable2DEnabled
;
925 GLfloat ConvolutionBorderColor
[3][4]; /**< RGBA */
926 GLenum ConvolutionBorderMode
[3];
927 GLfloat ConvolutionFilterScale
[3][4]; /**< RGBA */
928 GLfloat ConvolutionFilterBias
[3][4]; /**< RGBA */
929 GLfloat PostConvolutionScale
[4]; /**< RGBA */
930 GLfloat PostConvolutionBias
[4]; /**< RGBA */
932 /* Color matrix (GL_SGI_color_matrix) */
933 /* Note: the color matrix is not part of this attrib group */
934 GLfloat PostColorMatrixScale
[4]; /**< RGBA */
935 GLfloat PostColorMatrixBias
[4]; /**< RGBA */
937 /* Histogram & minmax (GL_EXT_histogram) */
938 /* Note: histogram and minmax data are not part of this attrib group */
939 GLboolean HistogramEnabled
;
940 GLboolean MinMaxEnabled
;
942 /*--- End Pixel Transfer State ---*/
945 GLfloat ZoomX
, ZoomY
;
947 /** GL_SGI_texture_color_table */
948 GLfloat TextureColorTableScale
[4]; /**< RGBA */
949 GLfloat TextureColorTableBias
[4]; /**< RGBA */
954 * Point attribute group (GL_POINT_BIT).
956 struct gl_point_attrib
958 GLboolean SmoothFlag
; /**< True if GL_POINT_SMOOTH is enabled */
959 GLfloat Size
; /**< User-specified point size */
960 GLfloat Params
[3]; /**< GL_EXT_point_parameters */
961 GLfloat MinSize
, MaxSize
; /**< GL_EXT_point_parameters */
962 GLfloat Threshold
; /**< GL_EXT_point_parameters */
963 GLboolean _Attenuated
; /**< True if Params != [1, 0, 0] */
964 GLboolean PointSprite
; /**< GL_NV/ARB_point_sprite */
965 GLboolean CoordReplace
[MAX_TEXTURE_COORD_UNITS
]; /**< GL_ARB_point_sprite*/
966 GLenum SpriteRMode
; /**< GL_NV_point_sprite (only!) */
967 GLenum SpriteOrigin
; /**< GL_ARB_point_sprite */
972 * Polygon attribute group (GL_POLYGON_BIT).
974 struct gl_polygon_attrib
976 GLenum FrontFace
; /**< Either GL_CW or GL_CCW */
977 GLenum FrontMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
978 GLenum BackMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
979 GLboolean _FrontBit
; /**< 0=GL_CCW, 1=GL_CW */
980 GLboolean CullFlag
; /**< Culling on/off flag */
981 GLboolean SmoothFlag
; /**< True if GL_POLYGON_SMOOTH is enabled */
982 GLboolean StippleFlag
; /**< True if GL_POLYGON_STIPPLE is enabled */
983 GLenum CullFaceMode
; /**< Culling mode GL_FRONT or GL_BACK */
984 GLfloat OffsetFactor
; /**< Polygon offset factor, from user */
985 GLfloat OffsetUnits
; /**< Polygon offset units, from user */
986 GLboolean OffsetPoint
; /**< Offset in GL_POINT mode */
987 GLboolean OffsetLine
; /**< Offset in GL_LINE mode */
988 GLboolean OffsetFill
; /**< Offset in GL_FILL mode */
993 * Scissor attributes (GL_SCISSOR_BIT).
995 struct gl_scissor_attrib
997 GLboolean Enabled
; /**< Scissor test enabled? */
998 GLint X
, Y
; /**< Lower left corner of box */
999 GLsizei Width
, Height
; /**< Size of box */
1004 * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
1006 * Three sets of stencil data are tracked so that OpenGL 2.0,
1007 * GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported
1008 * simultaneously. In each of the stencil state arrays, element 0 corresponds
1009 * to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 /
1010 * GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the
1011 * GL_EXT_stencil_two_side GL_BACK state.
1013 * The derived value \c _BackFace is either 1 or 2 depending on whether or
1014 * not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled.
1016 * The derived value \c _TestTwoSide is set when the front-face and back-face
1017 * stencil state are different.
1019 struct gl_stencil_attrib
1021 GLboolean Enabled
; /**< Enabled flag */
1022 GLboolean TestTwoSide
; /**< GL_EXT_stencil_two_side */
1023 GLubyte ActiveFace
; /**< GL_EXT_stencil_two_side (0 or 2) */
1024 GLboolean _Enabled
; /**< Enabled and stencil buffer present */
1025 GLboolean _TestTwoSide
;
1026 GLubyte _BackFace
; /**< Current back stencil state (1 or 2) */
1027 GLenum Function
[3]; /**< Stencil function */
1028 GLenum FailFunc
[3]; /**< Fail function */
1029 GLenum ZPassFunc
[3]; /**< Depth buffer pass function */
1030 GLenum ZFailFunc
[3]; /**< Depth buffer fail function */
1031 GLint Ref
[3]; /**< Reference value */
1032 GLuint ValueMask
[3]; /**< Value mask */
1033 GLuint WriteMask
[3]; /**< Write mask */
1034 GLuint Clear
; /**< Clear value */
1039 * An index for each type of texture object. These correspond to the GL
1040 * texture target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc.
1041 * Note: the order is from highest priority to lowest priority.
1045 TEXTURE_2D_ARRAY_INDEX
,
1046 TEXTURE_1D_ARRAY_INDEX
,
1057 * Bit flags for each type of texture object
1058 * Used for Texture.Unit[]._ReallyEnabled flags.
1061 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
1062 #define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
1063 #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
1064 #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
1065 #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
1066 #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
1067 #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
1072 * TexGenEnabled flags.
1079 #define STR_BITS (S_BIT | T_BIT | R_BIT)
1084 * Bit flag versions of the corresponding GL_ constants.
1087 #define TEXGEN_SPHERE_MAP 0x1
1088 #define TEXGEN_OBJ_LINEAR 0x2
1089 #define TEXGEN_EYE_LINEAR 0x4
1090 #define TEXGEN_REFLECTION_MAP_NV 0x8
1091 #define TEXGEN_NORMAL_MAP_NV 0x10
1093 #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
1094 TEXGEN_REFLECTION_MAP_NV | \
1095 TEXGEN_NORMAL_MAP_NV)
1096 #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
1097 TEXGEN_REFLECTION_MAP_NV | \
1098 TEXGEN_NORMAL_MAP_NV | \
1104 /** Tex-gen enabled for texture unit? */
1105 #define ENABLE_TEXGEN(unit) (1 << (unit))
1107 /** Non-identity texture matrix for texture unit? */
1108 #define ENABLE_TEXMAT(unit) (1 << (unit))
1112 * Texel fetch function prototype. We use texel fetch functions to
1113 * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
1114 * texture images. These functions help to isolate us from the gritty
1115 * details of all the various texture image encodings.
1117 * \param texImage texture image.
1118 * \param col texel column.
1119 * \param row texel row.
1120 * \param img texel image level/layer.
1121 * \param texelOut output texel (up to 4 GLchans)
1123 typedef void (*FetchTexelFuncC
)( const struct gl_texture_image
*texImage
,
1124 GLint col
, GLint row
, GLint img
,
1128 * As above, but returns floats.
1129 * Used for depth component images and for upcoming signed/float
1132 typedef void (*FetchTexelFuncF
)( const struct gl_texture_image
*texImage
,
1133 GLint col
, GLint row
, GLint img
,
1134 GLfloat
*texelOut
);
1137 typedef void (*StoreTexelFunc
)(struct gl_texture_image
*texImage
,
1138 GLint col
, GLint row
, GLint img
,
1143 * Texture image state. Describes the dimensions of a texture image,
1144 * the texel format and pointers to Texel Fetch functions.
1146 struct gl_texture_image
1148 GLint InternalFormat
; /**< Internal format as given by the user */
1149 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1150 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1151 * GL_INTENSITY, GL_COLOR_INDEX,
1152 * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
1153 * only. Used for choosing TexEnv arithmetic.
1155 GLuint TexFormat
; /**< The actual format: MESA_FORMAT_x */
1157 GLuint Border
; /**< 0 or 1 */
1158 GLuint Width
; /**< = 2^WidthLog2 + 2*Border */
1159 GLuint Height
; /**< = 2^HeightLog2 + 2*Border */
1160 GLuint Depth
; /**< = 2^DepthLog2 + 2*Border */
1161 GLuint Width2
; /**< = Width - 2*Border */
1162 GLuint Height2
; /**< = Height - 2*Border */
1163 GLuint Depth2
; /**< = Depth - 2*Border */
1164 GLuint WidthLog2
; /**< = log2(Width2) */
1165 GLuint HeightLog2
; /**< = log2(Height2) */
1166 GLuint DepthLog2
; /**< = log2(Depth2) */
1167 GLuint MaxLog2
; /**< = MAX(WidthLog2, HeightLog2) */
1168 GLfloat WidthScale
; /**< used for mipmap LOD computation */
1169 GLfloat HeightScale
; /**< used for mipmap LOD computation */
1170 GLfloat DepthScale
; /**< used for mipmap LOD computation */
1171 GLboolean IsClientData
; /**< Data owned by client? */
1172 GLboolean _IsPowerOfTwo
; /**< Are all dimensions powers of two? */
1174 struct gl_texture_object
*TexObject
; /**< Pointer back to parent object */
1176 FetchTexelFuncC FetchTexelc
; /**< GLchan texel fetch function pointer */
1177 FetchTexelFuncF FetchTexelf
; /**< Float texel fetch function pointer */
1179 GLuint RowStride
; /**< Padded width in units of texels */
1180 GLuint
*ImageOffsets
; /**< if 3D texture: array [Depth] of offsets to
1181 each 2D slice in 'Data', in texels */
1182 GLvoid
*Data
; /**< Image data, accessed via FetchTexel() */
1185 * \name For device driver:
1188 void *DriverData
; /**< Arbitrary device driver data */
1194 * Indexes for cube map faces.
1209 * Texture object state. Contains the array of mipmap images, border color,
1210 * wrap modes, filter modes, shadow/texcompare state, and the per-texture
1213 struct gl_texture_object
1215 _glthread_Mutex Mutex
; /**< for thread safety */
1216 GLint RefCount
; /**< reference count */
1217 GLuint Name
; /**< the user-visible texture object ID */
1218 GLenum Target
; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
1219 GLfloat Priority
; /**< in [0,1] */
1224 } BorderColor
; /**< Interpreted according to texture format */
1225 GLenum WrapS
; /**< S-axis texture image wrap mode */
1226 GLenum WrapT
; /**< T-axis texture image wrap mode */
1227 GLenum WrapR
; /**< R-axis texture image wrap mode */
1228 GLenum MinFilter
; /**< minification filter */
1229 GLenum MagFilter
; /**< magnification filter */
1230 GLfloat MinLod
; /**< min lambda, OpenGL 1.2 */
1231 GLfloat MaxLod
; /**< max lambda, OpenGL 1.2 */
1232 GLfloat LodBias
; /**< OpenGL 1.4 */
1233 GLint BaseLevel
; /**< min mipmap level, OpenGL 1.2 */
1234 GLint MaxLevel
; /**< max mipmap level, OpenGL 1.2 */
1235 GLfloat MaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
1236 GLenum CompareMode
; /**< GL_ARB_shadow */
1237 GLenum CompareFunc
; /**< GL_ARB_shadow */
1238 GLfloat CompareFailValue
; /**< GL_ARB_shadow_ambient */
1239 GLenum DepthMode
; /**< GL_ARB_depth_texture */
1240 GLint _MaxLevel
; /**< actual max mipmap level (q in the spec) */
1241 GLfloat _MaxLambda
; /**< = _MaxLevel - BaseLevel (q - b in spec) */
1242 GLint CropRect
[4]; /**< GL_OES_draw_texture */
1243 GLenum Swizzle
[4]; /**< GL_EXT_texture_swizzle */
1244 GLuint _Swizzle
; /**< same as Swizzle, but SWIZZLE_* format */
1245 GLboolean GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
1246 GLboolean _Complete
; /**< Is texture object complete? */
1247 GLboolean _RenderToTexture
; /**< Any rendering to this texture? */
1248 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
1250 /** Actual texture images, indexed by [cube face] and [mipmap level] */
1251 struct gl_texture_image
*Image
[MAX_FACES
][MAX_TEXTURE_LEVELS
];
1253 /** GL_EXT_paletted_texture */
1254 struct gl_color_table Palette
;
1257 * \name For device driver.
1258 * Note: instead of attaching driver data to this pointer, it's preferable
1259 * to instead use this struct as a base class for your own texture object
1260 * class. Driver->NewTextureObject() can be used to implement the
1263 void *DriverData
; /**< Arbitrary device driver data */
1267 /** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */
1268 #define MAX_COMBINER_TERMS 4
1272 * Texture combine environment state.
1274 struct gl_tex_env_combine_state
1276 GLenum ModeRGB
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1277 GLenum ModeA
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1278 /** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */
1279 GLenum SourceRGB
[MAX_COMBINER_TERMS
];
1280 GLenum SourceA
[MAX_COMBINER_TERMS
];
1281 /** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */
1282 GLenum OperandRGB
[MAX_COMBINER_TERMS
];
1283 GLenum OperandA
[MAX_COMBINER_TERMS
];
1284 GLuint ScaleShiftRGB
; /**< 0, 1 or 2 */
1285 GLuint ScaleShiftA
; /**< 0, 1 or 2 */
1286 GLuint _NumArgsRGB
; /**< Number of inputs used for the RGB combiner */
1287 GLuint _NumArgsA
; /**< Number of inputs used for the A combiner */
1292 * Texture coord generation state.
1296 GLenum Mode
; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */
1297 GLbitfield _ModeBit
; /**< TEXGEN_x bit corresponding to Mode */
1298 GLfloat ObjectPlane
[4];
1299 GLfloat EyePlane
[4];
1304 * Texture unit state. Contains enable flags, texture environment/function/
1305 * combiners, texgen state, pointers to current texture objects and
1306 * post-filter color tables.
1308 struct gl_texture_unit
1310 GLbitfield Enabled
; /**< bitmask of TEXTURE_*_BIT flags */
1311 GLbitfield _ReallyEnabled
; /**< 0 or exactly one of TEXTURE_*_BIT flags */
1313 GLenum EnvMode
; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
1314 GLfloat EnvColor
[4];
1316 struct gl_texgen GenS
;
1317 struct gl_texgen GenT
;
1318 struct gl_texgen GenR
;
1319 struct gl_texgen GenQ
;
1320 GLbitfield TexGenEnabled
; /**< Bitwise-OR of [STRQ]_BIT values */
1321 GLbitfield _GenFlags
; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
1323 GLfloat LodBias
; /**< for biasing mipmap levels */
1325 GLfloat RotMatrix
[4]; /* 2x2 matrix */
1328 * \name GL_EXT_texture_env_combine
1330 struct gl_tex_env_combine_state Combine
;
1333 * Derived state based on \c EnvMode and the \c BaseFormat of the
1334 * currently enabled texture.
1336 struct gl_tex_env_combine_state _EnvMode
;
1339 * Currently enabled combiner state. This will point to either
1340 * \c Combine or \c _EnvMode.
1342 struct gl_tex_env_combine_state
*_CurrentCombine
;
1344 /** Current texture object pointers */
1345 struct gl_texture_object
*CurrentTex
[NUM_TEXTURE_TARGETS
];
1347 /** Points to highest priority, complete and enabled texture object */
1348 struct gl_texture_object
*_Current
;
1350 /** GL_SGI_texture_color_table */
1352 struct gl_color_table ColorTable
;
1353 struct gl_color_table ProxyColorTable
;
1354 GLboolean ColorTableEnabled
;
1360 * Texture attribute group (GL_TEXTURE_BIT).
1362 struct gl_texture_attrib
1364 GLuint CurrentUnit
; /**< GL_ACTIVE_TEXTURE */
1365 struct gl_texture_unit Unit
[MAX_COMBINED_TEXTURE_IMAGE_UNITS
];
1367 struct gl_texture_object
*ProxyTex
[NUM_TEXTURE_TARGETS
];
1369 /** GL_ARB_seamless_cubemap */
1370 GLboolean CubeMapSeamless
;
1372 /** GL_EXT_shared_texture_palette */
1373 GLboolean SharedPalette
;
1374 struct gl_color_table Palette
;
1376 /** Texture units/samplers used by vertex or fragment texturing */
1377 GLbitfield _EnabledUnits
;
1379 /** Texture coord units/sets used for fragment texturing */
1380 GLbitfield _EnabledCoordUnits
;
1382 /** Texture coord units that have texgen enabled */
1383 GLbitfield _TexGenEnabled
;
1385 /** Texture coord units that have non-identity matrices */
1386 GLbitfield _TexMatEnabled
;
1388 /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
1389 GLbitfield _GenFlags
;
1394 * Transformation attribute group (GL_TRANSFORM_BIT).
1396 struct gl_transform_attrib
1398 GLenum MatrixMode
; /**< Matrix mode */
1399 GLfloat EyeUserPlane
[MAX_CLIP_PLANES
][4]; /**< User clip planes */
1400 GLfloat _ClipUserPlane
[MAX_CLIP_PLANES
][4]; /**< derived */
1401 GLbitfield ClipPlanesEnabled
; /**< on/off bitmask */
1402 GLboolean Normalize
; /**< Normalize all normals? */
1403 GLboolean RescaleNormals
; /**< GL_EXT_rescale_normal */
1404 GLboolean RasterPositionUnclipped
; /**< GL_IBM_rasterpos_clip */
1405 GLboolean DepthClamp
; /**< GL_ARB_depth_clamp */
1407 GLboolean CullVertexFlag
; /**< True if GL_CULL_VERTEX_EXT is enabled */
1408 GLfloat CullEyePos
[4];
1409 GLfloat CullObjPos
[4];
1414 * Viewport attribute group (GL_VIEWPORT_BIT).
1416 struct gl_viewport_attrib
1418 GLint X
, Y
; /**< position */
1419 GLsizei Width
, Height
; /**< size */
1420 GLfloat Near
, Far
; /**< Depth buffer range */
1421 GLmatrix _WindowMap
; /**< Mapping transformation as a matrix. */
1426 * GL_ARB_vertex/pixel_buffer_object buffer object
1428 struct gl_buffer_object
1430 _glthread_Mutex Mutex
;
1433 GLenum Usage
; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */
1434 GLsizeiptrARB Size
; /**< Size of buffer storage in bytes */
1435 GLubyte
*Data
; /**< Location of storage either in RAM or VRAM. */
1436 /** Fields describing a mapped buffer */
1438 GLbitfield AccessFlags
; /**< Mask of GL_MAP_x_BIT flags */
1439 GLvoid
*Pointer
; /**< User-space address of mapping */
1440 GLintptr Offset
; /**< Mapped offset */
1441 GLsizeiptr Length
; /**< Mapped length */
1443 GLboolean Written
; /**< Ever written to? (for debugging) */
1444 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
1449 * Client pixel packing/unpacking attributes
1451 struct gl_pixelstore_attrib
1459 GLboolean SwapBytes
;
1461 GLboolean ClientStorage
; /**< GL_APPLE_client_storage */
1462 GLboolean Invert
; /**< GL_MESA_pack_invert */
1463 struct gl_buffer_object
*BufferObj
; /**< GL_ARB_pixel_buffer_object */
1468 * Client vertex array attributes
1470 struct gl_client_array
1472 GLint Size
; /**< components per element (1,2,3,4) */
1473 GLenum Type
; /**< datatype: GL_FLOAT, GL_INT, etc */
1474 GLenum Format
; /**< default: GL_RGBA, but may be GL_BGRA */
1475 GLsizei Stride
; /**< user-specified stride */
1476 GLsizei StrideB
; /**< actual stride in bytes */
1477 const GLubyte
*Ptr
; /**< Points to array data */
1478 GLboolean Enabled
; /**< Enabled flag is a boolean */
1479 GLboolean Normalized
; /**< GL_ARB_vertex_program */
1480 GLuint _ElementSize
; /**< size of each element in bytes */
1482 struct gl_buffer_object
*BufferObj
;/**< GL_ARB_vertex_buffer_object */
1483 GLuint _MaxElement
; /**< max element index into array buffer + 1 */
1488 * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
1489 * extension, but a nice encapsulation in any case.
1491 struct gl_array_object
1493 /** Name of the array object as received from glGenVertexArrayAPPLE. */
1497 _glthread_Mutex Mutex
;
1498 GLboolean VBOonly
; /**< require all arrays to live in VBOs? */
1500 /** Conventional vertex arrays */
1502 struct gl_client_array Vertex
;
1503 struct gl_client_array Weight
;
1504 struct gl_client_array Normal
;
1505 struct gl_client_array Color
;
1506 struct gl_client_array SecondaryColor
;
1507 struct gl_client_array FogCoord
;
1508 struct gl_client_array Index
;
1509 struct gl_client_array EdgeFlag
;
1510 struct gl_client_array TexCoord
[MAX_TEXTURE_COORD_UNITS
];
1511 struct gl_client_array PointSize
;
1515 * Generic arrays for vertex programs/shaders.
1516 * For NV vertex programs, these attributes alias and take priority
1517 * over the conventional attribs above. For ARB vertex programs and
1518 * GLSL vertex shaders, these attributes are separate.
1520 struct gl_client_array VertexAttrib
[MAX_VERTEX_GENERIC_ATTRIBS
];
1522 /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
1523 GLbitfield _Enabled
;
1526 * Min of all enabled arrays' _MaxElement. When arrays reside inside VBOs
1527 * we can determine the max legal (in bounds) glDrawElements array index.
1534 * Vertex array state
1536 struct gl_array_attrib
1538 /** Currently bound array object. See _mesa_BindVertexArrayAPPLE() */
1539 struct gl_array_object
*ArrayObj
;
1541 /** The default vertex array object */
1542 struct gl_array_object
*DefaultArrayObj
;
1544 /** Array objects (GL_ARB/APPLE_vertex_array_object) */
1545 struct _mesa_HashTable
*Objects
;
1547 GLint ActiveTexture
; /**< Client Active Texture */
1548 GLuint LockFirst
; /**< GL_EXT_compiled_vertex_array */
1549 GLuint LockCount
; /**< GL_EXT_compiled_vertex_array */
1551 /** GL 3.1 (slightly different from GL_NV_primitive_restart) */
1552 GLboolean PrimitiveRestart
;
1553 GLuint RestartIndex
;
1555 GLbitfield NewState
; /**< mask of _NEW_ARRAY_* values */
1557 #if FEATURE_ARB_vertex_buffer_object
1558 struct gl_buffer_object
*ArrayBufferObj
;
1559 struct gl_buffer_object
*ElementArrayBufferObj
;
1565 * Feedback buffer state
1570 GLbitfield _Mask
; /**< FB_* bits */
1578 * Selection buffer state
1582 GLuint
*Buffer
; /**< selection buffer */
1583 GLuint BufferSize
; /**< size of the selection buffer */
1584 GLuint BufferCount
; /**< number of values in the selection buffer */
1585 GLuint Hits
; /**< number of records in the selection buffer */
1586 GLuint NameStackDepth
; /**< name stack depth */
1587 GLuint NameStack
[MAX_NAME_STACK_DEPTH
]; /**< name stack */
1588 GLboolean HitFlag
; /**< hit flag */
1589 GLfloat HitMinZ
; /**< minimum hit depth */
1590 GLfloat HitMaxZ
; /**< maximum hit depth */
1595 * 1-D Evaluator control points
1599 GLuint Order
; /**< Number of control points */
1600 GLfloat u1
, u2
, du
; /**< u1, u2, 1.0/(u2-u1) */
1601 GLfloat
*Points
; /**< Points to contiguous control points */
1606 * 2-D Evaluator control points
1610 GLuint Uorder
; /**< Number of control points in U dimension */
1611 GLuint Vorder
; /**< Number of control points in V dimension */
1614 GLfloat
*Points
; /**< Points to contiguous control points */
1619 * All evaluator control point state
1621 struct gl_evaluators
1627 struct gl_1d_map Map1Vertex3
;
1628 struct gl_1d_map Map1Vertex4
;
1629 struct gl_1d_map Map1Index
;
1630 struct gl_1d_map Map1Color4
;
1631 struct gl_1d_map Map1Normal
;
1632 struct gl_1d_map Map1Texture1
;
1633 struct gl_1d_map Map1Texture2
;
1634 struct gl_1d_map Map1Texture3
;
1635 struct gl_1d_map Map1Texture4
;
1636 struct gl_1d_map Map1Attrib
[16]; /**< GL_NV_vertex_program */
1643 struct gl_2d_map Map2Vertex3
;
1644 struct gl_2d_map Map2Vertex4
;
1645 struct gl_2d_map Map2Index
;
1646 struct gl_2d_map Map2Color4
;
1647 struct gl_2d_map Map2Normal
;
1648 struct gl_2d_map Map2Texture1
;
1649 struct gl_2d_map Map2Texture2
;
1650 struct gl_2d_map Map2Texture3
;
1651 struct gl_2d_map Map2Texture4
;
1652 struct gl_2d_map Map2Attrib
[16]; /**< GL_NV_vertex_program */
1658 * Names of the various vertex/fragment program register files, etc.
1660 * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
1661 * All values should fit in a 4-bit field.
1663 * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
1664 * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
1665 * be "uniform" variables since they can only be set outside glBegin/End.
1666 * They're also all stored in the same Parameters array.
1670 PROGRAM_TEMPORARY
, /**< machine->Temporary[] */
1671 PROGRAM_INPUT
, /**< machine->Inputs[] */
1672 PROGRAM_OUTPUT
, /**< machine->Outputs[] */
1673 PROGRAM_VARYING
, /**< machine->Inputs[]/Outputs[] */
1674 PROGRAM_LOCAL_PARAM
, /**< gl_program->LocalParams[] */
1675 PROGRAM_ENV_PARAM
, /**< gl_program->Parameters[] */
1676 PROGRAM_STATE_VAR
, /**< gl_program->Parameters[] */
1677 PROGRAM_NAMED_PARAM
, /**< gl_program->Parameters[] */
1678 PROGRAM_CONSTANT
, /**< gl_program->Parameters[] */
1679 PROGRAM_UNIFORM
, /**< gl_program->Parameters[] */
1680 PROGRAM_WRITE_ONLY
, /**< A dummy, write-only register */
1681 PROGRAM_ADDRESS
, /**< machine->AddressReg */
1682 PROGRAM_SAMPLER
, /**< for shader samplers, compile-time only */
1683 PROGRAM_UNDEFINED
, /**< Invalid/TBD value */
1688 /** Vertex and fragment instructions */
1689 struct prog_instruction
;
1690 struct gl_program_parameter_list
;
1691 struct gl_uniform_list
;
1695 * Base class for any kind of program object
1700 GLubyte
*String
; /**< Null-terminated program text */
1702 GLenum Target
; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
1703 GLenum Format
; /**< String encoding format */
1706 struct prog_instruction
*Instructions
;
1708 GLbitfield InputsRead
; /**< Bitmask of which input regs are read */
1709 GLbitfield64 OutputsWritten
; /**< Bitmask of which output regs are written */
1710 GLbitfield InputFlags
[MAX_PROGRAM_INPUTS
]; /**< PROG_PARAM_BIT_x flags */
1711 GLbitfield OutputFlags
[MAX_PROGRAM_OUTPUTS
]; /**< PROG_PARAM_BIT_x flags */
1712 GLbitfield TexturesUsed
[MAX_TEXTURE_UNITS
]; /**< TEXTURE_x_BIT bitmask */
1713 GLbitfield SamplersUsed
; /**< Bitfield of which samplers are used */
1714 GLbitfield ShadowSamplers
; /**< Texture units used for shadow sampling. */
1717 /** Named parameters, constants, etc. from program text */
1718 struct gl_program_parameter_list
*Parameters
;
1719 /** Numbered local parameters */
1720 GLfloat LocalParams
[MAX_PROGRAM_LOCAL_PARAMS
][4];
1722 /** Vertex/fragment shader varying vars */
1723 struct gl_program_parameter_list
*Varying
;
1724 /** Vertex program user-defined attributes */
1725 struct gl_program_parameter_list
*Attributes
;
1727 /** Map from sampler unit to texture unit (set by glUniform1i()) */
1728 GLubyte SamplerUnits
[MAX_SAMPLERS
];
1729 /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
1730 gl_texture_index SamplerTargets
[MAX_SAMPLERS
];
1732 /** Logical counts */
1734 GLuint NumInstructions
;
1735 GLuint NumTemporaries
;
1736 GLuint NumParameters
;
1737 GLuint NumAttributes
;
1738 GLuint NumAddressRegs
;
1739 GLuint NumAluInstructions
;
1740 GLuint NumTexInstructions
;
1741 GLuint NumTexIndirections
;
1743 /** Native, actual h/w counts */
1745 GLuint NumNativeInstructions
;
1746 GLuint NumNativeTemporaries
;
1747 GLuint NumNativeParameters
;
1748 GLuint NumNativeAttributes
;
1749 GLuint NumNativeAddressRegs
;
1750 GLuint NumNativeAluInstructions
;
1751 GLuint NumNativeTexInstructions
;
1752 GLuint NumNativeTexIndirections
;
1757 /** Vertex program object */
1758 struct gl_vertex_program
1760 struct gl_program Base
; /**< base class */
1761 GLboolean IsNVProgram
; /**< is this a GL_NV_vertex_program program? */
1762 GLboolean IsPositionInvariant
;
1766 /** Fragment program object */
1767 struct gl_fragment_program
1769 struct gl_program Base
; /**< base class */
1771 GLboolean UsesKill
; /**< shader uses KIL instruction */
1772 GLboolean OriginUpperLeft
;
1773 GLboolean PixelCenterInteger
;
1778 * State common to vertex and fragment programs.
1780 struct gl_program_state
1782 GLint ErrorPos
; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
1783 const char *ErrorString
; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
1788 * Context state for vertex programs.
1790 struct gl_vertex_program_state
1792 GLboolean Enabled
; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
1793 GLboolean _Enabled
; /**< Enabled and _valid_ user program? */
1794 GLboolean PointSizeEnabled
; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
1795 GLboolean TwoSideEnabled
; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
1796 struct gl_vertex_program
*Current
; /**< User-bound vertex program */
1798 /** Currently enabled and valid vertex program (including internal
1799 * programs, user-defined vertex programs and GLSL vertex shaders).
1800 * This is the program we must use when rendering.
1802 struct gl_vertex_program
*_Current
;
1804 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
1806 /* For GL_NV_vertex_program only: */
1807 GLenum TrackMatrix
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1808 GLenum TrackMatrixTransform
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1810 /** Should fixed-function T&L be implemented with a vertex prog? */
1811 GLboolean _MaintainTnlProgram
;
1813 /** Program to emulate fixed-function T&L (see above) */
1814 struct gl_vertex_program
*_TnlProgram
;
1816 /** Cache of fixed-function programs */
1817 struct gl_program_cache
*Cache
;
1819 GLboolean _Overriden
;
1824 * Context state for fragment programs.
1826 struct gl_fragment_program_state
1828 GLboolean Enabled
; /**< User-set fragment program enable flag */
1829 GLboolean _Enabled
; /**< Enabled and _valid_ user program? */
1830 struct gl_fragment_program
*Current
; /**< User-bound fragment program */
1832 /** Currently enabled and valid fragment program (including internal
1833 * programs, user-defined fragment programs and GLSL fragment shaders).
1834 * This is the program we must use when rendering.
1836 struct gl_fragment_program
*_Current
;
1838 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
1840 /** Should fixed-function texturing be implemented with a fragment prog? */
1841 GLboolean _MaintainTexEnvProgram
;
1843 /** Program to emulate fixed-function texture env/combine (see above) */
1844 struct gl_fragment_program
*_TexEnvProgram
;
1846 /** Cache of fixed-function programs */
1847 struct gl_program_cache
*Cache
;
1852 * ATI_fragment_shader runtime state
1854 #define ATI_FS_INPUT_PRIMARY 0
1855 #define ATI_FS_INPUT_SECONDARY 1
1857 struct atifs_instruction
;
1858 struct atifs_setupinst
;
1861 * ATI fragment shader
1863 struct ati_fragment_shader
1867 struct atifs_instruction
*Instructions
[2];
1868 struct atifs_setupinst
*SetupInst
[2];
1869 GLfloat Constants
[8][4];
1870 GLbitfield LocalConstDef
; /**< Indicates which constants have been set */
1871 GLubyte numArithInstr
[2];
1872 GLubyte regsAssigned
[2];
1873 GLubyte NumPasses
; /**< 1 or 2 */
1875 GLubyte last_optype
;
1876 GLboolean interpinp1
;
1882 * Context state for GL_ATI_fragment_shader
1884 struct gl_ati_fragment_shader_state
1887 GLboolean _Enabled
; /**< enabled and valid shader? */
1888 GLboolean Compiling
;
1889 GLfloat GlobalConstants
[8][4];
1890 struct ati_fragment_shader
*Current
;
1895 * Occlusion/timer query object.
1897 struct gl_query_object
1899 GLenum Target
; /**< The query target, when active */
1900 GLuint Id
; /**< hash table ID/name */
1901 GLuint64EXT Result
; /**< the counter */
1902 GLboolean Active
; /**< inside Begin/EndQuery */
1903 GLboolean Ready
; /**< result is ready? */
1908 * Context state for query objects.
1910 struct gl_query_state
1912 struct _mesa_HashTable
*QueryObjects
;
1913 struct gl_query_object
*CurrentOcclusionObject
; /* GL_ARB_occlusion_query */
1914 struct gl_query_object
*CurrentTimerObject
; /* GL_EXT_timer_query */
1916 /** GL_NV_conditional_render */
1917 struct gl_query_object
*CondRenderQuery
;
1919 /** GL_EXT_transform_feedback */
1920 struct gl_query_object
*PrimitivesGenerated
;
1921 struct gl_query_object
*PrimitivesWritten
;
1923 GLenum CondRenderMode
;
1927 /** Sync object state */
1928 struct gl_sync_object
{
1929 struct simple_node link
;
1930 GLenum Type
; /**< GL_SYNC_FENCE */
1931 GLuint Name
; /**< Fence name */
1932 GLint RefCount
; /**< Reference count */
1933 GLboolean DeletePending
; /**< Object was deleted while there were still
1934 * live references (e.g., sync not yet finished)
1936 GLenum SyncCondition
;
1937 GLbitfield Flags
; /**< Flags passed to glFenceSync */
1938 GLuint StatusFlag
:1; /**< Has the sync object been signaled? */
1942 /** Set by #pragma directives */
1943 struct gl_sl_pragmas
1945 GLboolean IgnoreOptimize
; /**< ignore #pragma optimize(on/off) ? */
1946 GLboolean IgnoreDebug
; /**< ignore #pragma debug(on/off) ? */
1947 GLboolean Optimize
; /**< defaults on */
1948 GLboolean Debug
; /**< defaults off */
1953 * A GLSL vertex or fragment shader object.
1957 GLenum Type
; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */
1958 GLuint Name
; /**< AKA the handle */
1959 GLint RefCount
; /**< Reference count */
1960 GLboolean DeletePending
;
1961 GLboolean CompileStatus
;
1962 GLboolean Main
; /**< shader defines main() */
1963 GLboolean UnresolvedRefs
;
1964 const GLchar
*Source
; /**< Source code string */
1965 GLuint SourceChecksum
; /**< for debug/logging purposes */
1966 struct gl_program
*Program
; /**< Post-compile assembly code */
1968 struct gl_sl_pragmas Pragmas
;
1973 * A GLSL program object.
1974 * Basically a linked collection of vertex and fragment shaders.
1976 struct gl_shader_program
1978 GLenum Type
; /**< Always GL_SHADER_PROGRAM (internal token) */
1979 GLuint Name
; /**< aka handle or ID */
1980 GLint RefCount
; /**< Reference count */
1981 GLboolean DeletePending
;
1983 GLuint NumShaders
; /**< number of attached shaders */
1984 struct gl_shader
**Shaders
; /**< List of attached the shaders */
1986 /** User-defined attribute bindings (glBindAttribLocation) */
1987 struct gl_program_parameter_list
*Attributes
;
1989 /** Transform feedback varyings */
1993 GLchar
**VaryingNames
; /**< Array [NumVarying] of char * */
1994 } TransformFeedback
;
1996 /* post-link info: */
1997 struct gl_vertex_program
*VertexProgram
; /**< Linked vertex program */
1998 struct gl_fragment_program
*FragmentProgram
; /**< Linked fragment prog */
1999 struct gl_uniform_list
*Uniforms
;
2000 struct gl_program_parameter_list
*Varying
;
2001 GLboolean LinkStatus
; /**< GL_LINK_STATUS */
2002 GLboolean Validated
;
2003 GLboolean _Used
; /**< Ever used for drawing? */
2008 #define GLSL_DUMP 0x1 /**< Dump shaders to stdout */
2009 #define GLSL_LOG 0x2 /**< Write shaders to files */
2010 #define GLSL_OPT 0x4 /**< Force optimizations (override pragmas) */
2011 #define GLSL_NO_OPT 0x8 /**< Force no optimizations (override pragmas) */
2012 #define GLSL_UNIFORMS 0x10 /**< Print glUniform calls */
2013 #define GLSL_NOP_VERT 0x20 /**< Force no-op vertex shaders */
2014 #define GLSL_NOP_FRAG 0x40 /**< Force no-op fragment shaders */
2015 #define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */
2019 * Context state for GLSL vertex/fragment shaders.
2021 struct gl_shader_state
2023 struct gl_shader_program
*CurrentProgram
; /**< The user-bound program */
2024 /** Driver-selectable options: */
2025 GLboolean EmitHighLevelInstructions
; /**< IF/ELSE/ENDIF vs. BRA, etc. */
2026 GLboolean EmitContReturn
; /**< Emit CONT/RET opcodes? */
2027 GLboolean EmitCondCodes
; /**< Use condition codes? */
2028 GLboolean EmitComments
; /**< Annotated instructions */
2029 GLboolean EmitNVTempInitialization
; /**< 0-fill NV temp registers */
2031 GLbitfield Flags
; /**< Mask of GLSL_x flags */
2032 struct gl_sl_pragmas DefaultPragmas
; /**< Default #pragma settings */
2037 * Context state for transform feedback.
2039 struct gl_transform_feedback
2041 GLboolean Active
; /**< Is transform feedback enabled? */
2042 GLenum Mode
; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
2043 /** Start of feedback data in dest buffer */
2044 GLintptr Offset
[MAX_FEEDBACK_ATTRIBS
];
2045 /** Max data to put into dest buffer (in bytes) */
2046 GLsizeiptr Size
[MAX_FEEDBACK_ATTRIBS
];
2047 GLboolean RasterDiscard
; /**< GL_RASTERIZER_DISCARD */
2049 /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
2050 struct gl_buffer_object
*CurrentBuffer
;
2052 /** The feedback buffers */
2053 GLuint BufferNames
[MAX_FEEDBACK_ATTRIBS
];
2054 struct gl_buffer_object
*Buffers
[MAX_FEEDBACK_ATTRIBS
];
2060 * State which can be shared by multiple contexts:
2062 struct gl_shared_state
2064 _glthread_Mutex Mutex
; /**< for thread safety */
2065 GLint RefCount
; /**< Reference count */
2066 struct _mesa_HashTable
*DisplayList
; /**< Display lists hash table */
2067 struct _mesa_HashTable
*TexObjects
; /**< Texture objects hash table */
2069 /** Default texture objects (shared by all texture units) */
2070 struct gl_texture_object
*DefaultTex
[NUM_TEXTURE_TARGETS
];
2072 /** Fallback texture used when a bound texture is incomplete */
2073 struct gl_texture_object
*FallbackTex
;
2076 * \name Thread safety and statechange notification for texture
2079 * \todo Improve the granularity of locking.
2082 _glthread_Mutex TexMutex
; /**< texobj thread safety */
2083 GLuint TextureStateStamp
; /**< state notification for shared tex */
2086 /** Default buffer object for vertex arrays that aren't in VBOs */
2087 struct gl_buffer_object
*NullBufferObj
;
2090 * \name Vertex/fragment programs
2093 struct _mesa_HashTable
*Programs
; /**< All vertex/fragment programs */
2094 #if FEATURE_ARB_vertex_program
2095 struct gl_vertex_program
*DefaultVertexProgram
;
2097 #if FEATURE_ARB_fragment_program
2098 struct gl_fragment_program
*DefaultFragmentProgram
;
2102 #if FEATURE_ATI_fragment_shader
2103 struct _mesa_HashTable
*ATIShaders
;
2104 struct ati_fragment_shader
*DefaultFragmentShader
;
2107 #if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
2108 struct _mesa_HashTable
*BufferObjects
;
2111 #if FEATURE_ARB_shader_objects
2112 /** Table of both gl_shader and gl_shader_program objects */
2113 struct _mesa_HashTable
*ShaderObjects
;
2116 #if FEATURE_EXT_framebuffer_object
2117 struct _mesa_HashTable
*RenderBuffers
;
2118 struct _mesa_HashTable
*FrameBuffers
;
2121 #if FEATURE_ARB_sync
2122 struct simple_node SyncObjects
;
2125 void *DriverData
; /**< Device driver shared state */
2132 * A renderbuffer stores colors or depth values or stencil values.
2133 * A framebuffer object will have a collection of these.
2134 * Data are read/written to the buffer with a handful of Get/Put functions.
2136 * Instances of this object are allocated with the Driver's NewRenderbuffer
2137 * hook. Drivers will likely wrap this class inside a driver-specific
2138 * class to simulate inheritance.
2140 struct gl_renderbuffer
2142 #define RB_MAGIC 0xaabbccdd
2143 int Magic
; /** XXX TEMPORARY DEBUG INFO */
2144 _glthread_Mutex Mutex
; /**< for thread safety */
2145 GLuint ClassID
; /**< Useful for drivers */
2148 GLuint Width
, Height
;
2149 GLboolean Purgeable
; /**< Is the buffer purgeable under memory pressure? */
2151 GLenum InternalFormat
; /**< The user-specified format */
2152 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
2153 GL_STENCIL_INDEX. */
2154 GLuint Format
; /**< The actual format: MESA_FORMAT_x */
2158 GLenum DataType
; /**< Type of values passed to the Get/Put functions */
2159 GLvoid
*Data
; /**< This may not be used by some kinds of RBs */
2161 /* Used to wrap one renderbuffer around another: */
2162 struct gl_renderbuffer
*Wrapped
;
2164 /* Delete this renderbuffer */
2165 void (*Delete
)(struct gl_renderbuffer
*rb
);
2167 /* Allocate new storage for this renderbuffer */
2168 GLboolean (*AllocStorage
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2169 GLenum internalFormat
,
2170 GLuint width
, GLuint height
);
2172 /* Lock/Unlock are called before/after calling the Get/Put functions.
2173 * Not sure this is the right place for these yet.
2174 void (*Lock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2175 void (*Unlock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2178 /* Return a pointer to the element/pixel at (x,y).
2179 * Should return NULL if the buffer memory can't be directly addressed.
2181 void *(*GetPointer
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2184 /* Get/Read a row of values.
2185 * The values will be of format _BaseFormat and type DataType.
2187 void (*GetRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2188 GLint x
, GLint y
, void *values
);
2190 /* Get/Read values at arbitrary locations.
2191 * The values will be of format _BaseFormat and type DataType.
2193 void (*GetValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2194 const GLint x
[], const GLint y
[], void *values
);
2196 /* Put/Write a row of values.
2197 * The values will be of format _BaseFormat and type DataType.
2199 void (*PutRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2200 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2202 /* Put/Write a row of RGB values. This is a special-case routine that's
2203 * only used for RGBA renderbuffers when the source data is GL_RGB. That's
2204 * a common case for glDrawPixels and some triangle routines.
2205 * The values will be of format GL_RGB and type DataType.
2207 void (*PutRowRGB
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2208 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2211 /* Put/Write a row of identical values.
2212 * The values will be of format _BaseFormat and type DataType.
2214 void (*PutMonoRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2215 GLint x
, GLint y
, const void *value
, const GLubyte
*mask
);
2217 /* Put/Write values at arbitrary locations.
2218 * The values will be of format _BaseFormat and type DataType.
2220 void (*PutValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2221 const GLint x
[], const GLint y
[], const void *values
,
2222 const GLubyte
*mask
);
2223 /* Put/Write identical values at arbitrary locations.
2224 * The values will be of format _BaseFormat and type DataType.
2226 void (*PutMonoValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2227 GLuint count
, const GLint x
[], const GLint y
[],
2228 const void *value
, const GLubyte
*mask
);
2233 * A renderbuffer attachment points to either a texture object (and specifies
2234 * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
2236 struct gl_renderbuffer_attachment
2238 GLenum Type
; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
2242 * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
2243 * application supplied renderbuffer object.
2245 struct gl_renderbuffer
*Renderbuffer
;
2248 * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
2249 * supplied texture object.
2251 struct gl_texture_object
*Texture
;
2252 GLuint TextureLevel
; /**< Attached mipmap level. */
2253 GLuint CubeMapFace
; /**< 0 .. 5, for cube map textures. */
2254 GLuint Zoffset
; /**< Slice for 3D textures, or layer for both 1D
2255 * and 2D array textures */
2260 * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
2261 * In C++ terms, think of this as a base class from which device drivers
2262 * will make derived classes.
2264 struct gl_framebuffer
2266 _glthread_Mutex Mutex
; /**< for thread safety */
2268 * If zero, this is a window system framebuffer. If non-zero, this
2269 * is a FBO framebuffer; note that for some devices (i.e. those with
2270 * a natural pixel coordinate system for FBOs that differs from the
2271 * OpenGL/Mesa coordinate system), this means that the viewport,
2272 * polygon face orientation, and polygon stipple will have to be inverted.
2277 GLboolean DeletePending
;
2280 * The framebuffer's visual. Immutable if this is a window system buffer.
2281 * Computed from attachments if user-made FBO.
2285 GLboolean Initialized
;
2287 GLuint Width
, Height
; /**< size of frame buffer in pixels */
2289 /** \name Drawing bounds (Intersection of buffer size and scissor box) */
2291 GLint _Xmin
, _Xmax
; /**< inclusive */
2292 GLint _Ymin
, _Ymax
; /**< exclusive */
2295 /** \name Derived Z buffer stuff */
2297 GLuint _DepthMax
; /**< Max depth buffer value */
2298 GLfloat _DepthMaxF
; /**< Float max depth buffer value */
2299 GLfloat _MRD
; /**< minimum resolvable difference in Z values */
2302 /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
2305 /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
2306 struct gl_renderbuffer_attachment Attachment
[BUFFER_COUNT
];
2308 /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
2309 * attribute group and GL_PIXEL attribute group, respectively.
2311 GLenum ColorDrawBuffer
[MAX_DRAW_BUFFERS
];
2312 GLenum ColorReadBuffer
;
2314 /** Computed from ColorDraw/ReadBuffer above */
2315 GLuint _NumColorDrawBuffers
;
2316 GLint _ColorDrawBufferIndexes
[MAX_DRAW_BUFFERS
]; /**< BUFFER_x or -1 */
2317 GLint _ColorReadBufferIndex
; /* -1 = None */
2318 struct gl_renderbuffer
*_ColorDrawBuffers
[MAX_DRAW_BUFFERS
];
2319 struct gl_renderbuffer
*_ColorReadBuffer
;
2321 /** The Actual depth/stencil buffers to use. May be wrappers around the
2322 * depth/stencil buffers attached above. */
2323 struct gl_renderbuffer
*_DepthBuffer
;
2324 struct gl_renderbuffer
*_StencilBuffer
;
2326 /** Delete this framebuffer */
2327 void (*Delete
)(struct gl_framebuffer
*fb
);
2332 * Limits for vertex and fragment programs.
2334 struct gl_program_constants
2336 /* logical limits */
2337 GLuint MaxInstructions
;
2338 GLuint MaxAluInstructions
; /* fragment programs only, for now */
2339 GLuint MaxTexInstructions
; /* fragment programs only, for now */
2340 GLuint MaxTexIndirections
; /* fragment programs only, for now */
2343 GLuint MaxAddressRegs
; /* vertex program only, for now */
2344 GLuint MaxParameters
;
2345 GLuint MaxLocalParams
;
2346 GLuint MaxEnvParams
;
2347 /* native/hardware limits */
2348 GLuint MaxNativeInstructions
;
2349 GLuint MaxNativeAluInstructions
; /* fragment programs only, for now */
2350 GLuint MaxNativeTexInstructions
; /* fragment programs only, for now */
2351 GLuint MaxNativeTexIndirections
; /* fragment programs only, for now */
2352 GLuint MaxNativeAttribs
;
2353 GLuint MaxNativeTemps
;
2354 GLuint MaxNativeAddressRegs
; /* vertex program only, for now */
2355 GLuint MaxNativeParameters
;
2357 GLuint MaxUniformComponents
;
2362 * Constants which may be overridden by device driver during context creation
2363 * but are never changed after that.
2367 GLint MaxTextureLevels
; /**< Max mipmap levels. */
2368 GLint Max3DTextureLevels
; /**< Max mipmap levels for 3D textures */
2369 GLint MaxCubeTextureLevels
; /**< Max mipmap levels for cube textures */
2370 GLint MaxArrayTextureLayers
; /**< Max layers in array textures */
2371 GLint MaxTextureRectSize
; /**< Max rectangle texture size, in pixes */
2372 GLuint MaxTextureCoordUnits
;
2373 GLuint MaxTextureImageUnits
;
2374 GLuint MaxVertexTextureImageUnits
;
2375 GLuint MaxCombinedTextureImageUnits
;
2376 GLuint MaxTextureUnits
; /**< = MIN(CoordUnits, ImageUnits) */
2377 GLfloat MaxTextureMaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
2378 GLfloat MaxTextureLodBias
; /**< GL_EXT_texture_lod_bias */
2380 GLuint MaxArrayLockSize
;
2384 GLfloat MinPointSize
, MaxPointSize
; /**< aliased */
2385 GLfloat MinPointSizeAA
, MaxPointSizeAA
; /**< antialiased */
2386 GLfloat PointSizeGranularity
;
2387 GLfloat MinLineWidth
, MaxLineWidth
; /**< aliased */
2388 GLfloat MinLineWidthAA
, MaxLineWidthAA
; /**< antialiased */
2389 GLfloat LineWidthGranularity
;
2391 GLuint MaxColorTableSize
;
2392 GLuint MaxConvolutionWidth
;
2393 GLuint MaxConvolutionHeight
;
2395 GLuint MaxClipPlanes
;
2397 GLfloat MaxShininess
; /**< GL_NV_light_max_exponent */
2398 GLfloat MaxSpotExponent
; /**< GL_NV_light_max_exponent */
2400 GLuint MaxViewportWidth
, MaxViewportHeight
;
2402 struct gl_program_constants VertexProgram
; /**< GL_ARB_vertex_program */
2403 struct gl_program_constants FragmentProgram
; /**< GL_ARB_fragment_program */
2404 GLuint MaxProgramMatrices
;
2405 GLuint MaxProgramMatrixStackDepth
;
2407 /** vertex array / buffer object bounds checking */
2408 GLboolean CheckArrayBounds
;
2410 GLuint MaxDrawBuffers
; /**< GL_ARB_draw_buffers */
2412 GLuint MaxColorAttachments
; /**< GL_EXT_framebuffer_object */
2413 GLuint MaxRenderbufferSize
; /**< GL_EXT_framebuffer_object */
2414 GLuint MaxSamples
; /**< GL_ARB_framebuffer_object */
2416 GLuint MaxVarying
; /**< Number of float[4] varying parameters */
2418 GLbitfield SupportedBumpUnits
; /**> units supporting GL_ATI_envmap_bumpmap as targets */
2421 * Maximum amount of time, measured in nanseconds, that the server can wait.
2423 GLuint64 MaxServerWaitTimeout
;
2425 /** GL_EXT_provoking_vertex */
2426 GLboolean QuadsFollowProvokingVertexConvention
;
2428 /** OpenGL version 3.0 */
2429 GLbitfield ContextFlags
; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
2431 /** OpenGL version 3.2 */
2432 GLbitfield ProfileMask
; /**< Mask of CONTEXT_x_PROFILE_BIT */
2434 /** GL_EXT_transform_feedback */
2435 GLuint MaxTransformFeedbackSeparateAttribs
;
2436 GLuint MaxTransformFeedbackSeparateComponents
;
2437 GLuint MaxTransformFeedbackInterleavedComponents
;
2442 * Enable flag for each OpenGL extension. Different device drivers will
2443 * enable different extensions at runtime.
2445 struct gl_extensions
2447 GLboolean dummy
; /* don't remove this! */
2448 GLboolean ARB_copy_buffer
;
2449 GLboolean ARB_depth_texture
;
2450 GLboolean ARB_depth_clamp
;
2451 GLboolean ARB_draw_buffers
;
2452 GLboolean ARB_draw_elements_base_vertex
;
2453 GLboolean ARB_draw_instanced
;
2454 GLboolean ARB_fragment_coord_conventions
;
2455 GLboolean ARB_fragment_program
;
2456 GLboolean ARB_fragment_program_shadow
;
2457 GLboolean ARB_fragment_shader
;
2458 GLboolean ARB_framebuffer_object
;
2459 GLboolean ARB_half_float_pixel
;
2460 GLboolean ARB_half_float_vertex
;
2461 GLboolean ARB_imaging
;
2462 GLboolean ARB_map_buffer_range
;
2463 GLboolean ARB_multisample
;
2464 GLboolean ARB_multitexture
;
2465 GLboolean ARB_occlusion_query
;
2466 GLboolean ARB_point_sprite
;
2467 GLboolean ARB_seamless_cube_map
;
2468 GLboolean ARB_shader_objects
;
2469 GLboolean ARB_shading_language_100
;
2470 GLboolean ARB_shading_language_120
;
2471 GLboolean ARB_shadow
;
2472 GLboolean ARB_shadow_ambient
; /* or GL_ARB_shadow_ambient */
2474 GLboolean ARB_texture_border_clamp
;
2475 GLboolean ARB_texture_compression
;
2476 GLboolean ARB_texture_cube_map
;
2477 GLboolean ARB_texture_env_combine
;
2478 GLboolean ARB_texture_env_crossbar
;
2479 GLboolean ARB_texture_env_dot3
;
2480 GLboolean ARB_texture_float
;
2481 GLboolean ARB_texture_mirrored_repeat
;
2482 GLboolean ARB_texture_non_power_of_two
;
2483 GLboolean ARB_transpose_matrix
;
2484 GLboolean ARB_vertex_array_object
;
2485 GLboolean ARB_vertex_buffer_object
;
2486 GLboolean ARB_vertex_program
;
2487 GLboolean ARB_vertex_shader
;
2488 GLboolean ARB_window_pos
;
2491 GLboolean EXT_blend_color
;
2492 GLboolean EXT_blend_equation_separate
;
2493 GLboolean EXT_blend_func_separate
;
2494 GLboolean EXT_blend_logic_op
;
2495 GLboolean EXT_blend_minmax
;
2496 GLboolean EXT_blend_subtract
;
2497 GLboolean EXT_clip_volume_hint
;
2498 GLboolean EXT_cull_vertex
;
2499 GLboolean EXT_convolution
;
2500 GLboolean EXT_compiled_vertex_array
;
2501 GLboolean EXT_copy_texture
;
2502 GLboolean EXT_depth_bounds_test
;
2503 GLboolean EXT_draw_buffers2
;
2504 GLboolean EXT_draw_range_elements
;
2505 GLboolean EXT_fog_coord
;
2506 GLboolean EXT_framebuffer_blit
;
2507 GLboolean EXT_framebuffer_multisample
;
2508 GLboolean EXT_framebuffer_object
;
2509 GLboolean EXT_gpu_program_parameters
;
2510 GLboolean EXT_histogram
;
2511 GLboolean EXT_multi_draw_arrays
;
2512 GLboolean EXT_paletted_texture
;
2513 GLboolean EXT_packed_depth_stencil
;
2514 GLboolean EXT_packed_pixels
;
2515 GLboolean EXT_pixel_buffer_object
;
2516 GLboolean EXT_point_parameters
;
2517 GLboolean EXT_polygon_offset
;
2518 GLboolean EXT_provoking_vertex
;
2519 GLboolean EXT_rescale_normal
;
2520 GLboolean EXT_shadow_funcs
;
2521 GLboolean EXT_secondary_color
;
2522 GLboolean EXT_separate_specular_color
;
2523 GLboolean EXT_shared_texture_palette
;
2524 GLboolean EXT_stencil_wrap
;
2525 GLboolean EXT_stencil_two_side
;
2526 GLboolean EXT_subtexture
;
2527 GLboolean EXT_texture
;
2528 GLboolean EXT_texture_object
;
2529 GLboolean EXT_texture3D
;
2530 GLboolean EXT_texture_array
;
2531 GLboolean EXT_texture_compression_s3tc
;
2532 GLboolean EXT_texture_env_add
;
2533 GLboolean EXT_texture_env_combine
;
2534 GLboolean EXT_texture_env_dot3
;
2535 GLboolean EXT_texture_filter_anisotropic
;
2536 GLboolean EXT_texture_lod_bias
;
2537 GLboolean EXT_texture_mirror_clamp
;
2538 GLboolean EXT_texture_sRGB
;
2539 GLboolean EXT_texture_swizzle
;
2540 GLboolean EXT_transform_feedback
;
2541 GLboolean EXT_timer_query
;
2542 GLboolean EXT_vertex_array
;
2543 GLboolean EXT_vertex_array_bgra
;
2544 GLboolean EXT_vertex_array_set
;
2545 /* vendor extensions */
2546 GLboolean APPLE_client_storage
;
2547 GLboolean APPLE_packed_pixels
;
2548 GLboolean APPLE_vertex_array_object
;
2549 GLboolean APPLE_object_purgeable
;
2550 GLboolean ATI_envmap_bumpmap
;
2551 GLboolean ATI_texture_mirror_once
;
2552 GLboolean ATI_texture_env_combine3
;
2553 GLboolean ATI_fragment_shader
;
2554 GLboolean ATI_separate_stencil
;
2555 GLboolean IBM_rasterpos_clip
;
2556 GLboolean IBM_multimode_draw_arrays
;
2557 GLboolean MESA_pack_invert
;
2558 GLboolean MESA_packed_depth_stencil
;
2559 GLboolean MESA_resize_buffers
;
2560 GLboolean MESA_ycbcr_texture
;
2561 GLboolean MESA_texture_array
;
2562 GLboolean MESA_texture_signed_rgba
;
2563 GLboolean NV_blend_square
;
2564 GLboolean NV_conditional_render
;
2565 GLboolean NV_fragment_program
;
2566 GLboolean NV_fragment_program_option
;
2567 GLboolean NV_light_max_exponent
;
2568 GLboolean NV_point_sprite
;
2569 GLboolean NV_texgen_reflection
;
2570 GLboolean NV_texture_env_combine4
;
2571 GLboolean NV_texture_rectangle
;
2572 GLboolean NV_vertex_program
;
2573 GLboolean NV_vertex_program1_1
;
2574 GLboolean OES_read_format
;
2575 GLboolean SGI_color_matrix
;
2576 GLboolean SGI_color_table
;
2577 GLboolean SGI_texture_color_table
;
2578 GLboolean SGIS_generate_mipmap
;
2579 GLboolean SGIS_texture_edge_clamp
;
2580 GLboolean SGIS_texture_lod
;
2581 GLboolean TDFX_texture_compression_FXT1
;
2583 #if FEATURE_OES_EGL_image
2584 GLboolean OES_EGL_image
;
2586 #if FEATURE_OES_draw_texture
2587 GLboolean OES_draw_texture
;
2588 #endif /* FEATURE_OES_draw_texture */
2589 /** The extension string */
2590 const GLubyte
*String
;
2591 /** Number of supported extensions */
2597 * A stack of matrices (projection, modelview, color, texture, etc).
2599 struct gl_matrix_stack
2601 GLmatrix
*Top
; /**< points into Stack */
2602 GLmatrix
*Stack
; /**< array [MaxDepth] of GLmatrix */
2603 GLuint Depth
; /**< 0 <= Depth < MaxDepth */
2604 GLuint MaxDepth
; /**< size of Stack[] array */
2605 GLuint DirtyFlag
; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
2610 * \name Bits for image transfer operations
2611 * \sa __GLcontextRec::ImageTransferState.
2614 #define IMAGE_SCALE_BIAS_BIT 0x1
2615 #define IMAGE_SHIFT_OFFSET_BIT 0x2
2616 #define IMAGE_MAP_COLOR_BIT 0x4
2617 #define IMAGE_COLOR_TABLE_BIT 0x8
2618 #define IMAGE_CONVOLUTION_BIT 0x10
2619 #define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20
2620 #define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40
2621 #define IMAGE_COLOR_MATRIX_BIT 0x80
2622 #define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100
2623 #define IMAGE_HISTOGRAM_BIT 0x200
2624 #define IMAGE_MIN_MAX_BIT 0x400
2625 #define IMAGE_CLAMP_BIT 0x800
2628 /** Pixel Transfer ops up to convolution */
2629 #define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \
2630 IMAGE_SHIFT_OFFSET_BIT | \
2631 IMAGE_MAP_COLOR_BIT | \
2632 IMAGE_COLOR_TABLE_BIT)
2634 /** Pixel transfer ops after convolution */
2635 #define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \
2636 IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \
2637 IMAGE_COLOR_MATRIX_BIT | \
2638 IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\
2639 IMAGE_HISTOGRAM_BIT | \
2645 * \name Bits to indicate what state has changed.
2650 #define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */
2651 #define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */
2652 #define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */
2653 #define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */
2654 #define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */
2655 #define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */
2656 #define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */
2657 #define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */
2658 #define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */
2659 #define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */
2660 #define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */
2661 #define _NEW_LINE 0x800 /**< __GLcontextRec::Line */
2662 #define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */
2663 #define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */
2664 #define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */
2665 #define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */
2666 #define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */
2667 #define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */
2668 #define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */
2669 #define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */
2670 #define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */
2671 #define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */
2672 #define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */
2673 #define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */
2674 #define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */
2675 #define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */
2676 #define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */
2677 #define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */
2678 #define _NEW_CURRENT_ATTRIB 0x10000000 /**< __GLcontextRec::Current */
2679 #define _NEW_PROGRAM_CONSTANTS 0x20000000
2680 #define _NEW_BUFFER_OBJECT 0x40000000
2686 * \name Bits to track array state changes
2688 * Also used to summarize array enabled.
2691 #define _NEW_ARRAY_VERTEX VERT_BIT_POS
2692 #define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
2693 #define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
2694 #define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
2695 #define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
2696 #define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
2697 #define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
2698 #define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
2699 #define _NEW_ARRAY_POINT_SIZE VERT_BIT_COLOR_INDEX /* aliased */
2700 #define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
2701 #define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
2702 #define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
2703 #define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
2704 #define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
2705 #define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
2706 #define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
2707 #define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
2708 #define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
2709 #define _NEW_ARRAY_ALL 0xffffffff
2712 #define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
2713 #define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
2719 * \name A bunch of flags that we think might be useful to drivers.
2721 * Set in the __GLcontextRec::_TriangleCaps bitfield.
2724 #define DD_FLATSHADE 0x1
2725 #define DD_SEPARATE_SPECULAR 0x2
2726 #define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
2727 #define DD_TRI_LIGHT_TWOSIDE 0x8
2728 #define DD_TRI_UNFILLED 0x10
2729 #define DD_TRI_SMOOTH 0x20
2730 #define DD_TRI_STIPPLE 0x40
2731 #define DD_TRI_OFFSET 0x80
2732 #define DD_LINE_SMOOTH 0x100
2733 #define DD_LINE_STIPPLE 0x200
2734 #define DD_LINE_WIDTH 0x400
2735 #define DD_POINT_SMOOTH 0x800
2736 #define DD_POINT_SIZE 0x1000
2737 #define DD_POINT_ATTEN 0x2000
2738 #define DD_TRI_TWOSTENCIL 0x4000
2743 * \name Define the state changes under which each of these bits might change
2746 #define _DD_NEW_FLATSHADE _NEW_LIGHT
2747 #define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
2748 #define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
2749 #define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
2750 #define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
2751 #define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
2752 #define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
2753 #define _DD_NEW_TRI_OFFSET _NEW_POLYGON
2754 #define _DD_NEW_LINE_SMOOTH _NEW_LINE
2755 #define _DD_NEW_LINE_STIPPLE _NEW_LINE
2756 #define _DD_NEW_LINE_WIDTH _NEW_LINE
2757 #define _DD_NEW_POINT_SMOOTH _NEW_POINT
2758 #define _DD_NEW_POINT_SIZE _NEW_POINT
2759 #define _DD_NEW_POINT_ATTEN _NEW_POINT
2764 * Composite state flags
2767 #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
2773 #define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \
2776 #define _MESA_NEW_TRANSFER_STATE (_NEW_PIXEL | \
2783 /* This has to be included here. */
2787 #define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *))
2790 * Core Mesa's support for tnl modules:
2792 struct gl_tnl_module
2795 * Vertex format to be lazily swapped into current dispatch.
2797 const GLvertexformat
*Current
;
2800 * \name Record of functions swapped out.
2801 * On restore, only need to swap these functions back in.
2805 _glapi_proc
* location
;
2806 _glapi_proc function
;
2807 } Swapped
[NUM_VERTEX_FORMAT_ENTRIES
];
2814 * Display list flags.
2815 * Strictly this is a tnl-private concept, but it doesn't seem
2816 * worthwhile adding a tnl private structure just to hold this one bit
2819 #define DLIST_DANGLING_REFS 0x1
2822 /** Opaque declaration of display list payload data type */
2823 union gl_dlist_node
;
2827 * Provide a location where information about a display list can be
2828 * collected. Could be extended with driverPrivate structures,
2829 * etc. in the future.
2831 struct gl_display_list
2834 GLbitfield Flags
; /**< DLIST_x flags */
2835 /** The dlist commands are in a linked list of nodes */
2836 union gl_dlist_node
*Head
;
2841 * State used during display list compilation and execution.
2843 struct gl_dlist_state
2845 GLuint CallDepth
; /**< Current recursion calling depth */
2847 struct gl_display_list
*CurrentList
; /**< List currently being compiled */
2848 union gl_dlist_node
*CurrentBlock
; /**< Pointer to current block of nodes */
2849 GLuint CurrentPos
; /**< Index into current block of nodes */
2851 GLvertexformat ListVtxfmt
;
2853 GLubyte ActiveAttribSize
[VERT_ATTRIB_MAX
];
2854 GLfloat CurrentAttrib
[VERT_ATTRIB_MAX
][4];
2856 GLubyte ActiveMaterialSize
[MAT_ATTRIB_MAX
];
2857 GLfloat CurrentMaterial
[MAT_ATTRIB_MAX
][4];
2859 GLubyte ActiveIndex
;
2860 GLfloat CurrentIndex
;
2862 GLubyte ActiveEdgeFlag
;
2863 GLboolean CurrentEdgeFlag
;
2866 /* State known to have been set by the currently-compiling display
2867 * list. Used to eliminate some redundant state changes.
2874 * Enum for the OpenGL APIs we know about and may support.
2883 * Mesa rendering context.
2885 * This is the central context data structure for Mesa. Almost all
2886 * OpenGL state is contained in this structure.
2887 * Think of this as a base class from which device drivers will derive
2890 * The GLcontext typedef names this structure.
2892 struct __GLcontextRec
2894 /** State possibly shared with other contexts in the address space */
2895 struct gl_shared_state
*Shared
;
2897 /** \name API function pointer tables */
2900 struct _glapi_table
*Save
; /**< Display list save functions */
2901 struct _glapi_table
*Exec
; /**< Execute functions */
2902 struct _glapi_table
*CurrentDispatch
; /**< == Save or Exec !! */
2906 GLframebuffer
*DrawBuffer
; /**< buffer for writing */
2907 GLframebuffer
*ReadBuffer
; /**< buffer for reading */
2908 GLframebuffer
*WinSysDrawBuffer
; /**< set with MakeCurrent */
2909 GLframebuffer
*WinSysReadBuffer
; /**< set with MakeCurrent */
2912 * Device driver function pointer table
2914 struct dd_function_table Driver
;
2916 void *DriverCtx
; /**< Points to device driver context/state */
2918 /** Core/Driver constants */
2919 struct gl_constants Const
;
2921 /** \name The various 4x4 matrix stacks */
2923 struct gl_matrix_stack ModelviewMatrixStack
;
2924 struct gl_matrix_stack ProjectionMatrixStack
;
2925 struct gl_matrix_stack ColorMatrixStack
;
2926 struct gl_matrix_stack TextureMatrixStack
[MAX_TEXTURE_UNITS
];
2927 struct gl_matrix_stack ProgramMatrixStack
[MAX_PROGRAM_MATRICES
];
2928 struct gl_matrix_stack
*CurrentStack
; /**< Points to one of the above stacks */
2931 /** Combined modelview and projection matrix */
2932 GLmatrix _ModelProjectMatrix
;
2934 /** \name Display lists */
2935 struct gl_dlist_state ListState
;
2937 GLboolean ExecuteFlag
; /**< Execute GL commands? */
2938 GLboolean CompileFlag
; /**< Compile GL commands into display list? */
2940 /** Extension information */
2941 struct gl_extensions Extensions
;
2944 GLuint VersionMajor
, VersionMinor
;
2945 char *VersionString
;
2947 /** \name State attribute stack (for glPush/PopAttrib) */
2949 GLuint AttribStackDepth
;
2950 struct gl_attrib_node
*AttribStack
[MAX_ATTRIB_STACK_DEPTH
];
2953 /** \name Renderer attribute groups
2955 * We define a struct for each attribute group to make pushing and popping
2956 * attributes easy. Also it's a good organization.
2959 struct gl_accum_attrib Accum
; /**< Accum buffer attributes */
2960 struct gl_colorbuffer_attrib Color
; /**< Color buffer attributes */
2961 struct gl_current_attrib Current
; /**< Current attributes */
2962 struct gl_depthbuffer_attrib Depth
; /**< Depth buffer attributes */
2963 struct gl_eval_attrib Eval
; /**< Eval attributes */
2964 struct gl_fog_attrib Fog
; /**< Fog attributes */
2965 struct gl_hint_attrib Hint
; /**< Hint attributes */
2966 struct gl_light_attrib Light
; /**< Light attributes */
2967 struct gl_line_attrib Line
; /**< Line attributes */
2968 struct gl_list_attrib List
; /**< List attributes */
2969 struct gl_multisample_attrib Multisample
;
2970 struct gl_pixel_attrib Pixel
; /**< Pixel attributes */
2971 struct gl_point_attrib Point
; /**< Point attributes */
2972 struct gl_polygon_attrib Polygon
; /**< Polygon attributes */
2973 GLuint PolygonStipple
[32]; /**< Polygon stipple */
2974 struct gl_scissor_attrib Scissor
; /**< Scissor attributes */
2975 struct gl_stencil_attrib Stencil
; /**< Stencil buffer attributes */
2976 struct gl_texture_attrib Texture
; /**< Texture attributes */
2977 struct gl_transform_attrib Transform
; /**< Transformation attributes */
2978 struct gl_viewport_attrib Viewport
; /**< Viewport attributes */
2981 /** \name Client attribute stack */
2983 GLuint ClientAttribStackDepth
;
2984 struct gl_attrib_node
*ClientAttribStack
[MAX_CLIENT_ATTRIB_STACK_DEPTH
];
2987 /** \name Client attribute groups */
2989 struct gl_array_attrib Array
; /**< Vertex arrays */
2990 struct gl_pixelstore_attrib Pack
; /**< Pixel packing */
2991 struct gl_pixelstore_attrib Unpack
; /**< Pixel unpacking */
2992 struct gl_pixelstore_attrib DefaultPacking
; /**< Default params */
2995 /** \name Other assorted state (not pushed/popped on attribute stack) */
2997 struct gl_pixelmaps PixelMaps
;
2998 struct gl_histogram_attrib Histogram
;
2999 struct gl_minmax_attrib MinMax
;
3000 struct gl_convolution_attrib Convolution1D
;
3001 struct gl_convolution_attrib Convolution2D
;
3002 struct gl_convolution_attrib Separable2D
;
3004 struct gl_evaluators EvalMap
; /**< All evaluators */
3005 struct gl_feedback Feedback
; /**< Feedback */
3006 struct gl_selection Select
; /**< Selection */
3008 struct gl_color_table ColorTable
[COLORTABLE_MAX
];
3009 struct gl_color_table ProxyColorTable
[COLORTABLE_MAX
];
3011 struct gl_program_state Program
; /**< general program state */
3012 struct gl_vertex_program_state VertexProgram
;
3013 struct gl_fragment_program_state FragmentProgram
;
3014 struct gl_ati_fragment_shader_state ATIFragmentShader
;
3016 struct gl_shader_state Shader
; /**< GLSL shader object state */
3018 struct gl_query_state Query
; /**< occlusion, timer queries */
3020 struct gl_transform_feedback TransformFeedback
;
3022 struct gl_buffer_object
*CopyReadBuffer
; /**< GL_ARB_copy_buffer */
3023 struct gl_buffer_object
*CopyWriteBuffer
; /**< GL_ARB_copy_buffer */
3026 struct gl_meta_state
*Meta
; /**< for "meta" operations */
3028 #if FEATURE_EXT_framebuffer_object
3029 struct gl_renderbuffer
*CurrentRenderbuffer
;
3032 GLenum ErrorValue
; /**< Last error code */
3035 * Recognize and silence repeated error debug messages in buggy apps.
3037 const char *ErrorDebugFmtString
;
3038 GLuint ErrorDebugCount
;
3040 GLenum RenderMode
; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
3041 GLbitfield NewState
; /**< bitwise-or of _NEW_* flags */
3043 GLboolean ViewportInitialized
; /**< has viewport size been initialized? */
3045 GLbitfield varying_vp_inputs
; /**< mask of VERT_BIT_* flags */
3047 /** \name Derived state */
3049 /** Bitwise-or of DD_* flags. Note that this bitfield may be used before
3050 * state validation so they need to always be current.
3052 GLbitfield _TriangleCaps
;
3053 GLbitfield _ImageTransferState
;/**< bitwise-or of IMAGE_*_BIT flags */
3054 GLfloat _EyeZDir
[3];
3055 GLfloat _ModelViewInvScale
;
3056 GLboolean _NeedEyeCoords
;
3057 GLboolean _ForceEyeCoords
;
3059 GLuint TextureStateTimestamp
; /**< detect changes to shared state */
3061 struct gl_shine_tab
*_ShineTable
[2]; /**< Active shine tables */
3062 struct gl_shine_tab
*_ShineTabList
; /**< MRU list of inactive shine tables */
3065 struct gl_list_extensions
*ListExt
; /**< driver dlist extensions */
3067 /** \name For debugging/development only */
3069 GLboolean FirstTimeCurrent
;
3072 /** Dither disable via MESA_NO_DITHER env var */
3075 /** software compression/decompression supported or not */
3076 GLboolean Mesa_DXTn
;
3079 * Use dp4 (rather than mul/mad) instructions for position
3082 GLboolean mvp_with_dp4
;
3084 /** Core tnl module support */
3085 struct gl_tnl_module TnlModule
;
3088 * \name Hooks for module contexts.
3090 * These will eventually live in the driver or elsewhere.
3093 void *swrast_context
;
3094 void *swsetup_context
;
3095 void *swtnl_context
;
3097 struct st_context
*st
;
3103 /** The string names for GL_POINT, GL_LINE_LOOP, etc */
3104 extern const char *_mesa_prim_name
[GL_POLYGON
+4];
3108 extern int MESA_VERBOSE
;
3109 extern int MESA_DEBUG_FLAGS
;
3110 # define MESA_FUNCTION __FUNCTION__
3112 # define MESA_VERBOSE 0
3113 # define MESA_DEBUG_FLAGS 0
3114 # define MESA_FUNCTION "a function"
3121 /** The MESA_VERBOSE var is a bitmask of these flags */
3124 VERBOSE_VARRAY
= 0x0001,
3125 VERBOSE_TEXTURE
= 0x0002,
3126 VERBOSE_MATERIAL
= 0x0004,
3127 VERBOSE_PIPELINE
= 0x0008,
3128 VERBOSE_DRIVER
= 0x0010,
3129 VERBOSE_STATE
= 0x0020,
3130 VERBOSE_API
= 0x0040,
3131 VERBOSE_DISPLAY_LIST
= 0x0100,
3132 VERBOSE_LIGHTING
= 0x0200,
3133 VERBOSE_PRIMS
= 0x0400,
3134 VERBOSE_VERTS
= 0x0800,
3135 VERBOSE_DISASSEM
= 0x1000,
3136 VERBOSE_DRAW
= 0x2000,
3137 VERBOSE_SWAPBUFFERS
= 0x4000
3141 /** The MESA_DEBUG_FLAGS var is a bitmask of these flags */
3144 DEBUG_ALWAYS_FLUSH
= 0x1
3149 #endif /* MTYPES_H */