3 * Main Mesa data structures.
5 * Please try to mark derived values with a leading underscore ('_').
9 * Mesa 3-D graphics library
12 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the "Software"),
16 * to deal in the Software without restriction, including without limitation
17 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
18 * and/or sell copies of the Software, and to permit persons to whom the
19 * Software is furnished to do so, subject to the following conditions:
21 * The above copyright notice and this permission notice shall be included
22 * in all copies or substantial portions of the Software.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
28 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
39 #include <GL/internal/glcore.h> /* __GLcontextModes (GLvisual) */
40 #include "config.h" /* Hardwired parameters */
41 #include "glapi/glapi.h"
42 #include "math/m_matrix.h" /* GLmatrix */
47 * Special, internal token
49 #define GL_SHADER_PROGRAM_MESA 0x9999
53 * Color channel data type.
56 typedef GLubyte GLchan
;
58 #define CHAN_MAXF 255.0F
59 #define CHAN_TYPE GL_UNSIGNED_BYTE
61 typedef GLushort GLchan
;
62 #define CHAN_MAX 65535
63 #define CHAN_MAXF 65535.0F
64 #define CHAN_TYPE GL_UNSIGNED_SHORT
66 typedef GLfloat GLchan
;
68 #define CHAN_MAXF 1.0F
69 #define CHAN_TYPE GL_FLOAT
71 #error "illegal number of color channel bits"
76 * Stencil buffer data type.
79 typedef GLubyte GLstencil
;
80 #elif STENCIL_BITS==16
81 typedef GLushort GLstencil
;
83 # error "illegal number of stencil bits"
88 * Fixed point data type.
92 * Fixed point arithmetic macros
94 #ifndef FIXED_FRAC_BITS
95 #define FIXED_FRAC_BITS 11
98 #define FIXED_SHIFT FIXED_FRAC_BITS
99 #define FIXED_ONE (1 << FIXED_SHIFT)
100 #define FIXED_HALF (1 << (FIXED_SHIFT-1))
101 #define FIXED_FRAC_MASK (FIXED_ONE - 1)
102 #define FIXED_INT_MASK (~FIXED_FRAC_MASK)
103 #define FIXED_EPSILON 1
104 #define FIXED_SCALE ((float) FIXED_ONE)
105 #define FIXED_DBL_SCALE ((double) FIXED_ONE)
106 #define FloatToFixed(X) (IROUND((X) * FIXED_SCALE))
107 #define FixedToDouble(X) ((X) * (1.0 / FIXED_DBL_SCALE))
108 #define IntToFixed(I) ((I) << FIXED_SHIFT)
109 #define FixedToInt(X) ((X) >> FIXED_SHIFT)
110 #define FixedToUns(X) (((unsigned int)(X)) >> FIXED_SHIFT)
111 #define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK)
112 #define FixedFloor(X) ((X) & FIXED_INT_MASK)
113 #define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE))
114 #define PosFloatToFixed(X) FloatToFixed(X)
115 #define SignedFloatToFixed(X) FloatToFixed(X)
120 * \name Some forward type declarations
123 struct _mesa_HashTable
;
124 struct gl_pixelstore_attrib
;
125 struct gl_program_cache
;
126 struct gl_texture_format
;
127 struct gl_texture_image
;
128 struct gl_texture_object
;
131 typedef struct __GLcontextRec GLcontext
;
132 typedef struct __GLcontextModesRec GLvisual
;
133 typedef struct gl_framebuffer GLframebuffer
;
139 * Indexes for vertex program attributes.
140 * GL_NV_vertex_program aliases generic attributes over the conventional
141 * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
142 * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
143 * generic attributes are distinct/separate).
148 VERT_ATTRIB_WEIGHT
= 1,
149 VERT_ATTRIB_NORMAL
= 2,
150 VERT_ATTRIB_COLOR0
= 3,
151 VERT_ATTRIB_COLOR1
= 4,
153 VERT_ATTRIB_COLOR_INDEX
= 6,
154 VERT_ATTRIB_POINT_SIZE
= 6, /*alias*/
155 VERT_ATTRIB_EDGEFLAG
= 7,
156 VERT_ATTRIB_TEX0
= 8,
157 VERT_ATTRIB_TEX1
= 9,
158 VERT_ATTRIB_TEX2
= 10,
159 VERT_ATTRIB_TEX3
= 11,
160 VERT_ATTRIB_TEX4
= 12,
161 VERT_ATTRIB_TEX5
= 13,
162 VERT_ATTRIB_TEX6
= 14,
163 VERT_ATTRIB_TEX7
= 15,
164 VERT_ATTRIB_GENERIC0
= 16,
165 VERT_ATTRIB_GENERIC1
= 17,
166 VERT_ATTRIB_GENERIC2
= 18,
167 VERT_ATTRIB_GENERIC3
= 19,
168 VERT_ATTRIB_GENERIC4
= 20,
169 VERT_ATTRIB_GENERIC5
= 21,
170 VERT_ATTRIB_GENERIC6
= 22,
171 VERT_ATTRIB_GENERIC7
= 23,
172 VERT_ATTRIB_GENERIC8
= 24,
173 VERT_ATTRIB_GENERIC9
= 25,
174 VERT_ATTRIB_GENERIC10
= 26,
175 VERT_ATTRIB_GENERIC11
= 27,
176 VERT_ATTRIB_GENERIC12
= 28,
177 VERT_ATTRIB_GENERIC13
= 29,
178 VERT_ATTRIB_GENERIC14
= 30,
179 VERT_ATTRIB_GENERIC15
= 31,
184 * Bitflags for vertex attributes.
185 * These are used in bitfields in many places.
188 #define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
189 #define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
190 #define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
191 #define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
192 #define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
193 #define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
194 #define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
195 #define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
196 #define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
197 #define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
198 #define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
199 #define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
200 #define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
201 #define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
202 #define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
203 #define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
204 #define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
205 #define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
206 #define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
207 #define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
208 #define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
209 #define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
210 #define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
211 #define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
212 #define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
213 #define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
214 #define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
215 #define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
216 #define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
217 #define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
218 #define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
219 #define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
221 #define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
222 #define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
227 * Indexes for vertex program result attributes
230 #define VERT_RESULT_HPOS 0
231 #define VERT_RESULT_COL0 1
232 #define VERT_RESULT_COL1 2
233 #define VERT_RESULT_FOGC 3
234 #define VERT_RESULT_TEX0 4
235 #define VERT_RESULT_TEX1 5
236 #define VERT_RESULT_TEX2 6
237 #define VERT_RESULT_TEX3 7
238 #define VERT_RESULT_TEX4 8
239 #define VERT_RESULT_TEX5 9
240 #define VERT_RESULT_TEX6 10
241 #define VERT_RESULT_TEX7 11
242 #define VERT_RESULT_PSIZ 12
243 #define VERT_RESULT_BFC0 13
244 #define VERT_RESULT_BFC1 14
245 #define VERT_RESULT_EDGE 15
246 #define VERT_RESULT_VAR0 16 /**< shader varying */
247 #define VERT_RESULT_MAX (VERT_RESULT_VAR0 + MAX_VARYING)
252 * Indexes for fragment program input attributes.
256 FRAG_ATTRIB_WPOS
= 0,
257 FRAG_ATTRIB_COL0
= 1,
258 FRAG_ATTRIB_COL1
= 2,
259 FRAG_ATTRIB_FOGC
= 3,
260 FRAG_ATTRIB_TEX0
= 4,
261 FRAG_ATTRIB_TEX1
= 5,
262 FRAG_ATTRIB_TEX2
= 6,
263 FRAG_ATTRIB_TEX3
= 7,
264 FRAG_ATTRIB_TEX4
= 8,
265 FRAG_ATTRIB_TEX5
= 9,
266 FRAG_ATTRIB_TEX6
= 10,
267 FRAG_ATTRIB_TEX7
= 11,
268 FRAG_ATTRIB_VAR0
= 12, /**< shader varying */
269 FRAG_ATTRIB_MAX
= (FRAG_ATTRIB_VAR0
+ MAX_VARYING
)
273 * Bitflags for fragment program input attributes.
276 #define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
277 #define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
278 #define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
279 #define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
280 #define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
281 #define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
282 #define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
283 #define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
284 #define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
285 #define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
286 #define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
287 #define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
288 #define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
290 #define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
291 #define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
293 #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
305 * Fragment program results
309 FRAG_RESULT_COLR
= 0,
310 FRAG_RESULT_COLH
= 1,
311 FRAG_RESULT_DEPR
= 2,
312 FRAG_RESULT_DATA0
= 3,
313 FRAG_RESULT_MAX
= (FRAG_RESULT_DATA0
+ MAX_DRAW_BUFFERS
)
318 * Indexes for all renderbuffers
321 BUFFER_FRONT_LEFT
= 0, /* the four standard color buffers */
322 BUFFER_BACK_LEFT
= 1,
323 BUFFER_FRONT_RIGHT
= 2,
324 BUFFER_BACK_RIGHT
= 3,
325 BUFFER_AUX0
= 4, /* optional aux buffer */
332 BUFFER_COLOR0
= 11, /* generic renderbuffers */
344 * Bit flags for all renderbuffers
346 #define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
347 #define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
348 #define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
349 #define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
350 #define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
351 #define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
352 #define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
353 #define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
354 #define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
355 #define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
356 #define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
357 #define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
358 #define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
359 #define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
360 #define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
361 #define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
362 #define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
363 #define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
364 #define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
367 * Mask of all the color buffer bits (but not accum).
369 #define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
370 BUFFER_BIT_BACK_LEFT | \
371 BUFFER_BIT_FRONT_RIGHT | \
372 BUFFER_BIT_BACK_RIGHT | \
377 BUFFER_BIT_COLOR0 | \
378 BUFFER_BIT_COLOR1 | \
379 BUFFER_BIT_COLOR2 | \
380 BUFFER_BIT_COLOR3 | \
381 BUFFER_BIT_COLOR4 | \
382 BUFFER_BIT_COLOR5 | \
383 BUFFER_BIT_COLOR6 | \
387 /** The pixel transfer path has three color tables: */
389 #define COLORTABLE_PRECONVOLUTION 0
390 #define COLORTABLE_POSTCONVOLUTION 1
391 #define COLORTABLE_POSTCOLORMATRIX 2
392 #define COLORTABLE_MAX 3
397 * Data structure for color tables
399 struct gl_color_table
401 GLenum InternalFormat
; /**< The user-specified format */
402 GLenum _BaseFormat
; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
403 GLuint Size
; /**< number of entries in table */
404 GLfloat
*TableF
; /**< Color table, floating point values */
405 GLubyte
*TableUB
; /**< Color table, ubyte values */
410 GLubyte LuminanceSize
;
411 GLubyte IntensitySize
;
416 * \name Bit flags used for updating material values.
419 #define MAT_ATTRIB_FRONT_AMBIENT 0
420 #define MAT_ATTRIB_BACK_AMBIENT 1
421 #define MAT_ATTRIB_FRONT_DIFFUSE 2
422 #define MAT_ATTRIB_BACK_DIFFUSE 3
423 #define MAT_ATTRIB_FRONT_SPECULAR 4
424 #define MAT_ATTRIB_BACK_SPECULAR 5
425 #define MAT_ATTRIB_FRONT_EMISSION 6
426 #define MAT_ATTRIB_BACK_EMISSION 7
427 #define MAT_ATTRIB_FRONT_SHININESS 8
428 #define MAT_ATTRIB_BACK_SHININESS 9
429 #define MAT_ATTRIB_FRONT_INDEXES 10
430 #define MAT_ATTRIB_BACK_INDEXES 11
431 #define MAT_ATTRIB_MAX 12
433 #define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
434 #define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
435 #define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
436 #define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
437 #define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
438 #define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
440 #define MAT_INDEX_AMBIENT 0
441 #define MAT_INDEX_DIFFUSE 1
442 #define MAT_INDEX_SPECULAR 2
444 #define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
445 #define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
446 #define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
447 #define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
448 #define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
449 #define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
450 #define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
451 #define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
452 #define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
453 #define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
454 #define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
455 #define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
458 #define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
459 MAT_BIT_FRONT_AMBIENT | \
460 MAT_BIT_FRONT_DIFFUSE | \
461 MAT_BIT_FRONT_SPECULAR | \
462 MAT_BIT_FRONT_SHININESS | \
463 MAT_BIT_FRONT_INDEXES)
465 #define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
466 MAT_BIT_BACK_AMBIENT | \
467 MAT_BIT_BACK_DIFFUSE | \
468 MAT_BIT_BACK_SPECULAR | \
469 MAT_BIT_BACK_SHININESS | \
470 MAT_BIT_BACK_INDEXES)
472 #define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
476 #define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
477 #define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
480 * Material shininess lookup table.
484 struct gl_shine_tab
*next
, *prev
;
485 GLfloat tab
[SHINE_TABLE_SIZE
+1];
492 * Light source state.
496 struct gl_light
*next
; /**< double linked list with sentinel */
497 struct gl_light
*prev
;
499 GLfloat Ambient
[4]; /**< ambient color */
500 GLfloat Diffuse
[4]; /**< diffuse color */
501 GLfloat Specular
[4]; /**< specular color */
502 GLfloat EyePosition
[4]; /**< position in eye coordinates */
503 GLfloat EyeDirection
[4]; /**< spotlight dir in eye coordinates */
504 GLfloat SpotExponent
;
505 GLfloat SpotCutoff
; /**< in degrees */
506 GLfloat _CosCutoffNeg
; /**< = cos(SpotCutoff) */
507 GLfloat _CosCutoff
; /**< = MAX(0, cos(SpotCutoff)) */
508 GLfloat ConstantAttenuation
;
509 GLfloat LinearAttenuation
;
510 GLfloat QuadraticAttenuation
;
511 GLboolean Enabled
; /**< On/off flag */
514 * \name Derived fields
517 GLbitfield _Flags
; /**< State */
519 GLfloat _Position
[4]; /**< position in eye/obj coordinates */
520 GLfloat _VP_inf_norm
[3]; /**< Norm direction to infinite light */
521 GLfloat _h_inf_norm
[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
522 GLfloat _NormDirection
[4]; /**< normalized spotlight direction */
523 GLfloat _VP_inf_spot_attenuation
;
525 GLfloat _SpotExpTable
[EXP_TABLE_SIZE
][2]; /**< to replace a pow() call */
526 GLfloat _MatAmbient
[2][3]; /**< material ambient * light ambient */
527 GLfloat _MatDiffuse
[2][3]; /**< material diffuse * light diffuse */
528 GLfloat _MatSpecular
[2][3]; /**< material spec * light specular */
529 GLfloat _dli
; /**< CI diffuse light intensity */
530 GLfloat _sli
; /**< CI specular light intensity */
540 GLfloat Ambient
[4]; /**< ambient color */
541 GLboolean LocalViewer
; /**< Local (or infinite) view point? */
542 GLboolean TwoSide
; /**< Two (or one) sided lighting? */
543 GLenum ColorControl
; /**< either GL_SINGLE_COLOR
544 * or GL_SEPARATE_SPECULAR_COLOR */
553 GLfloat Attrib
[MAT_ATTRIB_MAX
][4];
558 * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
560 struct gl_accum_attrib
562 GLfloat ClearColor
[4]; /**< Accumulation buffer clear color */
567 * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
569 struct gl_colorbuffer_attrib
571 GLuint ClearIndex
; /**< Index to use for glClear */
572 GLclampf ClearColor
[4]; /**< Color to use for glClear */
574 GLuint IndexMask
; /**< Color index write mask */
575 GLubyte ColorMask
[4]; /**< Each flag is 0xff or 0x0 */
577 GLenum DrawBuffer
[MAX_DRAW_BUFFERS
]; /**< Which buffer to draw into */
580 * \name alpha testing
583 GLboolean AlphaEnabled
; /**< Alpha test enabled flag */
584 GLenum AlphaFunc
; /**< Alpha test function */
585 GLclampf AlphaRef
; /**< Alpha reference value */
592 GLboolean BlendEnabled
; /**< Blending enabled flag */
593 GLenum BlendSrcRGB
; /**< Blending source operator */
594 GLenum BlendDstRGB
; /**< Blending destination operator */
595 GLenum BlendSrcA
; /**< GL_INGR_blend_func_separate */
596 GLenum BlendDstA
; /**< GL_INGR_blend_func_separate */
597 GLenum BlendEquationRGB
; /**< Blending equation */
598 GLenum BlendEquationA
; /**< GL_EXT_blend_equation_separate */
599 GLfloat BlendColor
[4]; /**< Blending color */
606 GLenum LogicOp
; /**< Logic operator */
607 GLboolean IndexLogicOpEnabled
; /**< Color index logic op enabled flag */
608 GLboolean ColorLogicOpEnabled
; /**< RGBA logic op enabled flag */
609 GLboolean _LogicOpEnabled
; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
612 GLboolean DitherFlag
; /**< Dither enable flag */
614 GLenum ClampFragmentColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
615 GLenum ClampReadColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
620 * Current attribute group (GL_CURRENT_BIT).
622 struct gl_current_attrib
625 * \name Current vertex attributes.
626 * \note Values are valid only after FLUSH_VERTICES has been called.
627 * \note Index and Edgeflag current values are stored as floats in the
628 * SIX and SEVEN attribute slots.
631 GLfloat Attrib
[VERT_ATTRIB_MAX
][4]; /**< Position, color, texcoords, etc */
635 * \name Current raster position attributes (always valid).
636 * \note This set of attributes is very similar to the SWvertex struct.
639 GLfloat RasterPos
[4];
640 GLfloat RasterDistance
;
641 GLfloat RasterColor
[4];
642 GLfloat RasterSecondaryColor
[4];
644 GLfloat RasterTexCoords
[MAX_TEXTURE_COORD_UNITS
][4];
645 GLboolean RasterPosValid
;
651 * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
653 struct gl_depthbuffer_attrib
655 GLenum Func
; /**< Function for depth buffer compare */
656 GLclampd Clear
; /**< Value to clear depth buffer to */
657 GLboolean Test
; /**< Depth buffering enabled flag */
658 GLboolean Mask
; /**< Depth buffer writable? */
659 GLboolean BoundsTest
; /**< GL_EXT_depth_bounds_test */
660 GLfloat BoundsMin
, BoundsMax
;/**< GL_EXT_depth_bounds_test */
665 * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
667 struct gl_enable_attrib
670 GLboolean AutoNormal
;
672 GLbitfield ClipPlanes
;
673 GLboolean ColorMaterial
;
674 GLboolean ColorTable
[COLORTABLE_MAX
];
675 GLboolean Convolution1D
;
676 GLboolean Convolution2D
;
677 GLboolean Separable2D
;
683 GLboolean Light
[MAX_LIGHTS
];
685 GLboolean LineSmooth
;
686 GLboolean LineStipple
;
687 GLboolean IndexLogicOp
;
688 GLboolean ColorLogicOp
;
689 GLboolean Map1Color4
;
691 GLboolean Map1Normal
;
692 GLboolean Map1TextureCoord1
;
693 GLboolean Map1TextureCoord2
;
694 GLboolean Map1TextureCoord3
;
695 GLboolean Map1TextureCoord4
;
696 GLboolean Map1Vertex3
;
697 GLboolean Map1Vertex4
;
698 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
699 GLboolean Map2Color4
;
701 GLboolean Map2Normal
;
702 GLboolean Map2TextureCoord1
;
703 GLboolean Map2TextureCoord2
;
704 GLboolean Map2TextureCoord3
;
705 GLboolean Map2TextureCoord4
;
706 GLboolean Map2Vertex3
;
707 GLboolean Map2Vertex4
;
708 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
711 GLboolean PixelTexture
;
712 GLboolean PointSmooth
;
713 GLboolean PolygonOffsetPoint
;
714 GLboolean PolygonOffsetLine
;
715 GLboolean PolygonOffsetFill
;
716 GLboolean PolygonSmooth
;
717 GLboolean PolygonStipple
;
718 GLboolean RescaleNormals
;
721 GLboolean StencilTwoSide
; /* GL_EXT_stencil_two_side */
722 GLboolean MultisampleEnabled
; /* GL_ARB_multisample */
723 GLboolean SampleAlphaToCoverage
; /* GL_ARB_multisample */
724 GLboolean SampleAlphaToOne
; /* GL_ARB_multisample */
725 GLboolean SampleCoverage
; /* GL_ARB_multisample */
726 GLboolean SampleCoverageInvert
; /* GL_ARB_multisample */
727 GLboolean RasterPositionUnclipped
; /* GL_IBM_rasterpos_clip */
728 GLuint Texture
[MAX_TEXTURE_IMAGE_UNITS
];
729 GLuint TexGen
[MAX_TEXTURE_COORD_UNITS
];
730 /* SGI_texture_color_table */
731 GLboolean TextureColorTable
[MAX_TEXTURE_IMAGE_UNITS
];
732 /* GL_ARB_vertex_program / GL_NV_vertex_program */
733 GLboolean VertexProgram
;
734 GLboolean VertexProgramPointSize
;
735 GLboolean VertexProgramTwoSide
;
736 /* GL_ARB_point_sprite / GL_NV_point_sprite */
737 GLboolean PointSprite
;
738 GLboolean FragmentShaderATI
;
743 * Evaluator attribute group (GL_EVAL_BIT).
745 struct gl_eval_attrib
751 GLboolean Map1Color4
;
753 GLboolean Map1Normal
;
754 GLboolean Map1TextureCoord1
;
755 GLboolean Map1TextureCoord2
;
756 GLboolean Map1TextureCoord3
;
757 GLboolean Map1TextureCoord4
;
758 GLboolean Map1Vertex3
;
759 GLboolean Map1Vertex4
;
760 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
761 GLboolean Map2Color4
;
763 GLboolean Map2Normal
;
764 GLboolean Map2TextureCoord1
;
765 GLboolean Map2TextureCoord2
;
766 GLboolean Map2TextureCoord3
;
767 GLboolean Map2TextureCoord4
;
768 GLboolean Map2Vertex3
;
769 GLboolean Map2Vertex4
;
770 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
771 GLboolean AutoNormal
;
775 * \name Map Grid endpoints and divisions and calculated du values
779 GLfloat MapGrid1u1
, MapGrid1u2
, MapGrid1du
;
780 GLint MapGrid2un
, MapGrid2vn
;
781 GLfloat MapGrid2u1
, MapGrid2u2
, MapGrid2du
;
782 GLfloat MapGrid2v1
, MapGrid2v2
, MapGrid2dv
;
788 * Fog attribute group (GL_FOG_BIT).
792 GLboolean Enabled
; /**< Fog enabled flag */
793 GLfloat Color
[4]; /**< Fog color */
794 GLfloat Density
; /**< Density >= 0.0 */
795 GLfloat Start
; /**< Start distance in eye coords */
796 GLfloat End
; /**< End distance in eye coords */
797 GLfloat Index
; /**< Fog index */
798 GLenum Mode
; /**< Fog mode */
799 GLboolean ColorSumEnabled
;
800 GLenum FogCoordinateSource
; /**< GL_EXT_fog_coord */
801 GLfloat _Scale
; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
806 * Hint attribute group (GL_HINT_BIT).
808 * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
810 struct gl_hint_attrib
812 GLenum PerspectiveCorrection
;
815 GLenum PolygonSmooth
;
817 GLenum ClipVolumeClipping
; /**< GL_EXT_clip_volume_hint */
818 GLenum TextureCompression
; /**< GL_ARB_texture_compression */
819 GLenum GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
820 GLenum FragmentShaderDerivative
; /**< GL_ARB_fragment_shader */
825 * Histogram attributes.
827 struct gl_histogram_attrib
829 GLuint Width
; /**< number of table entries */
830 GLint Format
; /**< GL_ALPHA, GL_RGB, etc */
831 GLuint Count
[HISTOGRAM_TABLE_SIZE
][4]; /**< the histogram */
832 GLboolean Sink
; /**< terminate image transfer? */
833 GLubyte RedSize
; /**< Bits per counter */
837 GLubyte LuminanceSize
;
842 * Color Min/max state.
844 struct gl_minmax_attrib
848 GLfloat Min
[4], Max
[4]; /**< RGBA */
853 * Image convolution state.
855 struct gl_convolution_attrib
858 GLenum InternalFormat
;
861 GLfloat Filter
[MAX_CONVOLUTION_WIDTH
* MAX_CONVOLUTION_HEIGHT
* 4];
869 #define LIGHT_SPOT 0x1
870 #define LIGHT_LOCAL_VIEWER 0x2
871 #define LIGHT_POSITIONAL 0x4
872 #define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
877 * Lighting attribute group (GL_LIGHT_BIT).
879 struct gl_light_attrib
881 struct gl_light Light
[MAX_LIGHTS
]; /**< Array of light sources */
882 struct gl_lightmodel Model
; /**< Lighting model */
885 * Must flush FLUSH_VERTICES before referencing:
888 struct gl_material Material
; /**< Includes front & back values */
891 GLboolean Enabled
; /**< Lighting enabled flag */
892 GLenum ShadeModel
; /**< GL_FLAT or GL_SMOOTH */
893 GLenum ColorMaterialFace
; /**< GL_FRONT, BACK or FRONT_AND_BACK */
894 GLenum ColorMaterialMode
; /**< GL_AMBIENT, GL_DIFFUSE, etc */
895 GLbitfield ColorMaterialBitmask
; /**< bitmask formed from Face and Mode */
896 GLboolean ColorMaterialEnabled
;
897 GLenum ClampVertexColor
;
899 struct gl_light EnabledList
; /**< List sentinel */
902 * Derived state for optimizations:
905 GLboolean _NeedEyeCoords
;
906 GLboolean _NeedVertices
; /**< Use fast shader? */
907 GLbitfield _Flags
; /**< LIGHT_* flags, see above */
908 GLfloat _BaseColor
[2][3];
914 * Line attribute group (GL_LINE_BIT).
916 struct gl_line_attrib
918 GLboolean SmoothFlag
; /**< GL_LINE_SMOOTH enabled? */
919 GLboolean StippleFlag
; /**< GL_LINE_STIPPLE enabled? */
920 GLushort StipplePattern
; /**< Stipple pattern */
921 GLint StippleFactor
; /**< Stipple repeat factor */
922 GLfloat Width
; /**< Line width */
927 * Display list attribute group (GL_LIST_BIT).
929 struct gl_list_attrib
936 * Used by device drivers to hook new commands into display lists.
938 struct gl_list_instruction
941 void (*Execute
)( GLcontext
*ctx
, void *data
);
942 void (*Destroy
)( GLcontext
*ctx
, void *data
);
943 void (*Print
)( GLcontext
*ctx
, void *data
);
946 #define MAX_DLIST_EXT_OPCODES 16
949 * Used by device drivers to hook new commands into display lists.
951 struct gl_list_extensions
953 struct gl_list_instruction Opcode
[MAX_DLIST_EXT_OPCODES
];
959 * Multisample attribute group (GL_MULTISAMPLE_BIT).
961 struct gl_multisample_attrib
964 GLboolean SampleAlphaToCoverage
;
965 GLboolean SampleAlphaToOne
;
966 GLboolean SampleCoverage
;
967 GLfloat SampleCoverageValue
;
968 GLboolean SampleCoverageInvert
;
973 * A pixelmap (see glPixelMap)
978 GLfloat Map
[MAX_PIXEL_MAP_TABLE
];
979 GLubyte Map8
[MAX_PIXEL_MAP_TABLE
]; /**< converted to 8-bit color */
984 * Collection of all pixelmaps
988 struct gl_pixelmap RtoR
; /**< i.e. GL_PIXEL_MAP_R_TO_R */
989 struct gl_pixelmap GtoG
;
990 struct gl_pixelmap BtoB
;
991 struct gl_pixelmap AtoA
;
992 struct gl_pixelmap ItoR
;
993 struct gl_pixelmap ItoG
;
994 struct gl_pixelmap ItoB
;
995 struct gl_pixelmap ItoA
;
996 struct gl_pixelmap ItoI
;
997 struct gl_pixelmap StoS
;
1002 * Pixel attribute group (GL_PIXEL_MODE_BIT).
1004 struct gl_pixel_attrib
1006 GLenum ReadBuffer
; /**< source buffer for glRead/CopyPixels() */
1008 /*--- Begin Pixel Transfer State ---*/
1009 /* Fields are in the order in which they're applied... */
1011 /* Scale & Bias (index shift, offset) */
1012 GLfloat RedBias
, RedScale
;
1013 GLfloat GreenBias
, GreenScale
;
1014 GLfloat BlueBias
, BlueScale
;
1015 GLfloat AlphaBias
, AlphaScale
;
1016 GLfloat DepthBias
, DepthScale
;
1017 GLint IndexShift
, IndexOffset
;
1020 /* Note: actual pixel maps are not part of this attrib group */
1021 GLboolean MapColorFlag
;
1022 GLboolean MapStencilFlag
;
1024 /* There are multiple color table stages: */
1025 GLboolean ColorTableEnabled
[COLORTABLE_MAX
];
1026 GLfloat ColorTableScale
[COLORTABLE_MAX
][4]; /**< RGBA */
1027 GLfloat ColorTableBias
[COLORTABLE_MAX
][4]; /**< RGBA */
1029 /* Convolution (GL_EXT_convolution) */
1030 GLboolean Convolution1DEnabled
;
1031 GLboolean Convolution2DEnabled
;
1032 GLboolean Separable2DEnabled
;
1033 GLfloat ConvolutionBorderColor
[3][4];
1034 GLenum ConvolutionBorderMode
[3];
1035 GLfloat ConvolutionFilterScale
[3][4]; /**< RGBA */
1036 GLfloat ConvolutionFilterBias
[3][4]; /**< RGBA */
1037 GLfloat PostConvolutionScale
[4]; /**< RGBA */
1038 GLfloat PostConvolutionBias
[4]; /**< RGBA */
1040 /* Color matrix (GL_SGI_color_matrix) */
1041 /* Note: the color matrix is not part of this attrib group */
1042 GLfloat PostColorMatrixScale
[4]; /**< RGBA */
1043 GLfloat PostColorMatrixBias
[4]; /**< RGBA */
1045 /* Histogram & minmax (GL_EXT_histogram) */
1046 /* Note: histogram and minmax data are not part of this attrib group */
1047 GLboolean HistogramEnabled
;
1048 GLboolean MinMaxEnabled
;
1050 /*--- End Pixel Transfer State ---*/
1053 GLfloat ZoomX
, ZoomY
;
1055 /** GL_SGI_texture_color_table */
1056 GLfloat TextureColorTableScale
[4];
1057 GLfloat TextureColorTableBias
[4];
1062 * Point attribute group (GL_POINT_BIT).
1064 struct gl_point_attrib
1066 GLboolean SmoothFlag
; /**< True if GL_POINT_SMOOTH is enabled */
1067 GLfloat Size
; /**< User-specified point size */
1068 GLfloat Params
[3]; /**< GL_EXT_point_parameters */
1069 GLfloat MinSize
, MaxSize
; /**< GL_EXT_point_parameters */
1070 GLfloat Threshold
; /**< GL_EXT_point_parameters */
1071 GLboolean _Attenuated
; /**< True if Params != [1, 0, 0] */
1072 GLboolean PointSprite
; /**< GL_NV/ARB_point_sprite */
1073 GLboolean CoordReplace
[MAX_TEXTURE_COORD_UNITS
]; /**< GL_ARB_point_sprite */
1074 GLenum SpriteRMode
; /**< GL_NV_point_sprite (only!) */
1075 GLenum SpriteOrigin
; /**< GL_ARB_point_sprite */
1080 * Polygon attribute group (GL_POLYGON_BIT).
1082 struct gl_polygon_attrib
1084 GLenum FrontFace
; /**< Either GL_CW or GL_CCW */
1085 GLenum FrontMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1086 GLenum BackMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1087 GLboolean _FrontBit
; /**< 0=GL_CCW, 1=GL_CW */
1088 GLboolean CullFlag
; /**< Culling on/off flag */
1089 GLboolean SmoothFlag
; /**< True if GL_POLYGON_SMOOTH is enabled */
1090 GLboolean StippleFlag
; /**< True if GL_POLYGON_STIPPLE is enabled */
1091 GLenum CullFaceMode
; /**< Culling mode GL_FRONT or GL_BACK */
1092 GLfloat OffsetFactor
; /**< Polygon offset factor, from user */
1093 GLfloat OffsetUnits
; /**< Polygon offset units, from user */
1094 GLboolean OffsetPoint
; /**< Offset in GL_POINT mode */
1095 GLboolean OffsetLine
; /**< Offset in GL_LINE mode */
1096 GLboolean OffsetFill
; /**< Offset in GL_FILL mode */
1101 * Scissor attributes (GL_SCISSOR_BIT).
1103 struct gl_scissor_attrib
1105 GLboolean Enabled
; /**< Scissor test enabled? */
1106 GLint X
, Y
; /**< Lower left corner of box */
1107 GLsizei Width
, Height
; /**< Size of box */
1112 * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
1114 struct gl_stencil_attrib
1116 GLboolean Enabled
; /**< Enabled flag */
1117 GLboolean TestTwoSide
; /**< GL_EXT_stencil_two_side */
1118 GLubyte ActiveFace
; /**< GL_EXT_stencil_two_side (0 or 1) */
1119 GLboolean _TestTwoSide
;
1120 GLenum Function
[2]; /**< Stencil function */
1121 GLenum FailFunc
[2]; /**< Fail function */
1122 GLenum ZPassFunc
[2]; /**< Depth buffer pass function */
1123 GLenum ZFailFunc
[2]; /**< Depth buffer fail function */
1124 GLint Ref
[2]; /**< Reference value */
1125 GLuint ValueMask
[2]; /**< Value mask */
1126 GLuint WriteMask
[2]; /**< Write mask */
1127 GLuint Clear
; /**< Clear value */
1131 #define NUM_TEXTURE_TARGETS 7 /* 1D, 2D, 3D, CUBE, RECT, 1D_STACK, and 2D_STACK */
1134 * An index for each type of texture object
1137 #define TEXTURE_1D_INDEX 0
1138 #define TEXTURE_2D_INDEX 1
1139 #define TEXTURE_3D_INDEX 2
1140 #define TEXTURE_CUBE_INDEX 3
1141 #define TEXTURE_RECT_INDEX 4
1142 #define TEXTURE_1D_ARRAY_INDEX 5
1143 #define TEXTURE_2D_ARRAY_INDEX 6
1147 * Bit flags for each type of texture object
1148 * Used for Texture.Unit[]._ReallyEnabled flags.
1151 #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
1152 #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
1153 #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
1154 #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
1155 #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
1156 #define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
1157 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
1162 * TexGenEnabled flags.
1173 * Bit flag versions of the corresponding GL_ constants.
1176 #define TEXGEN_SPHERE_MAP 0x1
1177 #define TEXGEN_OBJ_LINEAR 0x2
1178 #define TEXGEN_EYE_LINEAR 0x4
1179 #define TEXGEN_REFLECTION_MAP_NV 0x8
1180 #define TEXGEN_NORMAL_MAP_NV 0x10
1182 #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
1183 TEXGEN_REFLECTION_MAP_NV | \
1184 TEXGEN_NORMAL_MAP_NV)
1185 #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
1186 TEXGEN_REFLECTION_MAP_NV | \
1187 TEXGEN_NORMAL_MAP_NV | \
1192 /* A selection of state flags to make driver and module's lives easier. */
1193 #define ENABLE_TEXGEN0 0x1
1194 #define ENABLE_TEXGEN1 0x2
1195 #define ENABLE_TEXGEN2 0x4
1196 #define ENABLE_TEXGEN3 0x8
1197 #define ENABLE_TEXGEN4 0x10
1198 #define ENABLE_TEXGEN5 0x20
1199 #define ENABLE_TEXGEN6 0x40
1200 #define ENABLE_TEXGEN7 0x80
1202 #define ENABLE_TEXMAT0 0x1 /* Ie. not the identity matrix */
1203 #define ENABLE_TEXMAT1 0x2
1204 #define ENABLE_TEXMAT2 0x4
1205 #define ENABLE_TEXMAT3 0x8
1206 #define ENABLE_TEXMAT4 0x10
1207 #define ENABLE_TEXMAT5 0x20
1208 #define ENABLE_TEXMAT6 0x40
1209 #define ENABLE_TEXMAT7 0x80
1211 #define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i))
1212 #define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i))
1216 * Texel fetch function prototype. We use texel fetch functions to
1217 * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
1218 * texture images. These functions help to isolate us from the gritty
1219 * details of all the various texture image encodings.
1221 * \param texImage texture image.
1222 * \param col texel column.
1223 * \param row texel row.
1224 * \param img texel image level/layer.
1225 * \param texelOut output texel (up to 4 GLchans)
1227 typedef void (*FetchTexelFuncC
)( const struct gl_texture_image
*texImage
,
1228 GLint col
, GLint row
, GLint img
,
1232 * As above, but returns floats.
1233 * Used for depth component images and for upcoming signed/float
1236 typedef void (*FetchTexelFuncF
)( const struct gl_texture_image
*texImage
,
1237 GLint col
, GLint row
, GLint img
,
1238 GLfloat
*texelOut
);
1241 typedef void (*StoreTexelFunc
)(struct gl_texture_image
*texImage
,
1242 GLint col
, GLint row
, GLint img
,
1247 * This macro defines the (many) parameters to the texstore functions.
1248 * \param dims either 1 or 2 or 3
1249 * \param baseInternalFormat user-specified base internal format
1250 * \param dstFormat destination Mesa texture format
1251 * \param dstAddr destination image address
1252 * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
1253 * \param dstRowStride destination image row stride, in bytes
1254 * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
1255 * \param srcWidth/Height/Depth source image size, in pixels
1256 * \param srcFormat incoming image format
1257 * \param srcType incoming image data type
1258 * \param srcAddr source image address
1259 * \param srcPacking source image packing parameters
1261 #define TEXSTORE_PARAMS \
1262 GLcontext *ctx, GLuint dims, \
1263 GLenum baseInternalFormat, \
1264 const struct gl_texture_format *dstFormat, \
1266 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
1267 GLint dstRowStride, const GLuint *dstImageOffsets, \
1268 GLint srcWidth, GLint srcHeight, GLint srcDepth, \
1269 GLenum srcFormat, GLenum srcType, \
1270 const GLvoid *srcAddr, \
1271 const struct gl_pixelstore_attrib *srcPacking
1276 * Texture image storage function.
1278 typedef GLboolean (*StoreTexImageFunc
)(TEXSTORE_PARAMS
);
1282 * Texture format record
1284 struct gl_texture_format
1286 GLint MesaFormat
; /**< One of the MESA_FORMAT_* values */
1288 GLenum BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1289 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1290 * GL_INTENSITY, GL_COLOR_INDEX or
1291 * GL_DEPTH_COMPONENT.
1293 GLenum DataType
; /**< GL_FLOAT or GL_UNSIGNED_NORMALIZED_ARB */
1296 * Bits per texel component. These are just rough approximations
1297 * for compressed texture formats.
1304 GLubyte LuminanceBits
;
1305 GLubyte IntensityBits
;
1308 GLubyte StencilBits
; /**< GL_EXT_packed_depth_stencil */
1311 GLuint TexelBytes
; /**< Bytes per texel, 0 if compressed format */
1313 StoreTexImageFunc StoreImage
;
1316 * \name Texel fetch function pointers
1319 FetchTexelFuncC FetchTexel1D
;
1320 FetchTexelFuncC FetchTexel2D
;
1321 FetchTexelFuncC FetchTexel3D
;
1322 FetchTexelFuncF FetchTexel1Df
;
1323 FetchTexelFuncF FetchTexel2Df
;
1324 FetchTexelFuncF FetchTexel3Df
;
1327 StoreTexelFunc StoreTexel
;
1332 * Texture image state. Describes the dimensions of a texture image,
1333 * the texel format and pointers to Texel Fetch functions.
1335 struct gl_texture_image
1337 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1338 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1339 * GL_INTENSITY, GL_COLOR_INDEX,
1340 * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
1341 * only. Used for choosing TexEnv arithmetic.
1343 GLint InternalFormat
; /**< Internal format as given by the user */
1344 GLuint Border
; /**< 0 or 1 */
1345 GLuint Width
; /**< = 2^WidthLog2 + 2*Border */
1346 GLuint Height
; /**< = 2^HeightLog2 + 2*Border */
1347 GLuint Depth
; /**< = 2^DepthLog2 + 2*Border */
1348 GLuint Width2
; /**< = Width - 2*Border */
1349 GLuint Height2
; /**< = Height - 2*Border */
1350 GLuint Depth2
; /**< = Depth - 2*Border */
1351 GLuint WidthLog2
; /**< = log2(Width2) */
1352 GLuint HeightLog2
; /**< = log2(Height2) */
1353 GLuint DepthLog2
; /**< = log2(Depth2) */
1354 GLuint MaxLog2
; /**< = MAX(WidthLog2, HeightLog2) */
1355 GLfloat WidthScale
; /**< used for mipmap LOD computation */
1356 GLfloat HeightScale
; /**< used for mipmap LOD computation */
1357 GLfloat DepthScale
; /**< used for mipmap LOD computation */
1358 GLboolean IsClientData
; /**< Data owned by client? */
1359 GLboolean _IsPowerOfTwo
; /**< Are all dimensions powers of two? */
1361 const struct gl_texture_format
*TexFormat
;
1363 struct gl_texture_object
*TexObject
; /**< Pointer back to parent object */
1365 FetchTexelFuncC FetchTexelc
; /**< GLchan texel fetch function pointer */
1366 FetchTexelFuncF FetchTexelf
; /**< Float texel fetch function pointer */
1368 GLboolean IsCompressed
; /**< GL_ARB_texture_compression */
1369 GLuint CompressedSize
; /**< GL_ARB_texture_compression */
1371 GLuint RowStride
; /**< == Width unless IsClientData and padded */
1372 GLuint
*ImageOffsets
; /**< if 3D texture: array [Depth] of offsets to
1373 each 2D slice in 'Data', in texels */
1374 GLvoid
*Data
; /**< Image data, accessed via FetchTexel() */
1377 * \name For device driver:
1380 void *DriverData
; /**< Arbitrary device driver data */
1386 * Indexes for cube map faces.
1389 #define FACE_POS_X 0
1390 #define FACE_NEG_X 1
1391 #define FACE_POS_Y 2
1392 #define FACE_NEG_Y 3
1393 #define FACE_POS_Z 4
1394 #define FACE_NEG_Z 5
1400 * Texture object state. Contains the array of mipmap images, border color,
1401 * wrap modes, filter modes, shadow/texcompare state, and the per-texture
1404 struct gl_texture_object
1406 GLint RefCount
; /**< reference count */
1407 GLuint Name
; /**< the user-visible texture object ID */
1408 GLenum Target
; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
1409 GLfloat Priority
; /**< in [0,1] */
1410 GLfloat BorderColor
[4]; /**< unclamped */
1411 GLchan _BorderChan
[4]; /**< clamped, as GLchan */
1412 GLenum WrapS
; /**< S-axis texture image wrap mode */
1413 GLenum WrapT
; /**< T-axis texture image wrap mode */
1414 GLenum WrapR
; /**< R-axis texture image wrap mode */
1415 GLenum MinFilter
; /**< minification filter */
1416 GLenum MagFilter
; /**< magnification filter */
1417 GLfloat MinLod
; /**< min lambda, OpenGL 1.2 */
1418 GLfloat MaxLod
; /**< max lambda, OpenGL 1.2 */
1419 GLfloat LodBias
; /**< OpenGL 1.4 */
1420 GLint BaseLevel
; /**< min mipmap level, OpenGL 1.2 */
1421 GLint MaxLevel
; /**< max mipmap level, OpenGL 1.2 */
1422 GLfloat MaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
1423 GLboolean CompareFlag
; /**< GL_SGIX_shadow */
1424 GLenum CompareOperator
; /**< GL_SGIX_shadow */
1425 GLfloat ShadowAmbient
; /**< GL_ARB_shadow_ambient */
1426 GLenum CompareMode
; /**< GL_ARB_shadow */
1427 GLenum CompareFunc
; /**< GL_ARB_shadow */
1428 GLenum _Function
; /**< Comparison function derived from
1429 * \c CompareOperator, \c CompareMode, and
1432 GLenum DepthMode
; /**< GL_ARB_depth_texture */
1433 GLint _MaxLevel
; /**< actual max mipmap level (q in the spec) */
1434 GLfloat _MaxLambda
; /**< = _MaxLevel - BaseLevel (q - b in spec) */
1435 GLboolean GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
1436 GLboolean _Complete
; /**< Is texture object complete? */
1438 /** Actual texture images, indexed by [cube face] and [mipmap level] */
1439 struct gl_texture_image
*Image
[MAX_FACES
][MAX_TEXTURE_LEVELS
];
1441 /** GL_EXT_paletted_texture */
1442 struct gl_color_table Palette
;
1446 * \name For device driver.
1447 * Note: instead of attaching driver data to this pointer, it's preferable
1448 * to instead use this struct as a base class for your own texture object
1449 * class. Driver->NewTextureObject() can be used to implement the
1452 void *DriverData
; /**< Arbitrary device driver data */
1457 * Texture combine environment state.
1460 * If GL_NV_texture_env_combine4 is ever supported, the arrays in this
1461 * structure will need to be expanded for 4 elements.
1463 struct gl_tex_env_combine_state
1465 GLenum ModeRGB
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1466 GLenum ModeA
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1467 GLenum SourceRGB
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1468 GLenum SourceA
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1469 GLenum OperandRGB
[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
1470 GLenum OperandA
[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
1471 GLuint ScaleShiftRGB
; /**< 0, 1 or 2 */
1472 GLuint ScaleShiftA
; /**< 0, 1 or 2 */
1473 GLuint _NumArgsRGB
; /**< Number of inputs used for the combine mode. */
1474 GLuint _NumArgsA
; /**< Number of inputs used for the combine mode. */
1479 * Texture unit state. Contains enable flags, texture environment/function/
1480 * combiners, texgen state, pointers to current texture objects and
1481 * post-filter color tables.
1483 struct gl_texture_unit
1485 GLbitfield Enabled
; /**< bitmask of TEXTURE_*_BIT flags */
1486 GLbitfield _ReallyEnabled
; /**< 0 or exactly one of TEXTURE_*_BIT flags */
1488 GLenum EnvMode
; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
1489 GLfloat EnvColor
[4];
1490 GLbitfield TexGenEnabled
; /**< Bitwise-OR of [STRQ]_BIT values */
1491 /** \name Tex coord generation mode
1492 * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */
1499 GLbitfield _GenBitS
;
1500 GLbitfield _GenBitT
;
1501 GLbitfield _GenBitR
;
1502 GLbitfield _GenBitQ
;
1503 GLbitfield _GenFlags
; /**< bitwise or of _GenBit[STRQ] */
1504 GLfloat ObjectPlaneS
[4];
1505 GLfloat ObjectPlaneT
[4];
1506 GLfloat ObjectPlaneR
[4];
1507 GLfloat ObjectPlaneQ
[4];
1508 GLfloat EyePlaneS
[4];
1509 GLfloat EyePlaneT
[4];
1510 GLfloat EyePlaneR
[4];
1511 GLfloat EyePlaneQ
[4];
1512 GLfloat LodBias
; /**< for biasing mipmap levels */
1515 * \name GL_EXT_texture_env_combine
1517 struct gl_tex_env_combine_state Combine
;
1520 * Derived state based on \c EnvMode and the \c BaseFormat of the
1521 * currently enabled texture.
1523 struct gl_tex_env_combine_state _EnvMode
;
1526 * Currently enabled combiner state. This will point to either
1527 * \c Combine or \c _EnvMode.
1529 struct gl_tex_env_combine_state
*_CurrentCombine
;
1531 struct gl_texture_object
*Current1D
;
1532 struct gl_texture_object
*Current2D
;
1533 struct gl_texture_object
*Current3D
;
1534 struct gl_texture_object
*CurrentCubeMap
; /**< GL_ARB_texture_cube_map */
1535 struct gl_texture_object
*CurrentRect
; /**< GL_NV_texture_rectangle */
1536 struct gl_texture_object
*Current1DArray
; /**< GL_MESA_texture_array */
1537 struct gl_texture_object
*Current2DArray
; /**< GL_MESA_texture_array */
1539 struct gl_texture_object
*_Current
; /**< Points to really enabled tex obj */
1541 /** These are used for glPush/PopAttrib */
1543 struct gl_texture_object Saved1D
;
1544 struct gl_texture_object Saved2D
;
1545 struct gl_texture_object Saved3D
;
1546 struct gl_texture_object SavedCubeMap
;
1547 struct gl_texture_object SavedRect
;
1548 struct gl_texture_object Saved1DArray
;
1549 struct gl_texture_object Saved2DArray
;
1552 /** GL_SGI_texture_color_table */
1554 struct gl_color_table ColorTable
;
1555 struct gl_color_table ProxyColorTable
;
1556 GLboolean ColorTableEnabled
;
1562 * Texture attribute group (GL_TEXTURE_BIT).
1564 struct gl_texture_attrib
1570 GLuint CurrentUnit
; /**< Active texture unit */
1571 GLbitfield _EnabledUnits
; /**< one bit set for each really-enabled unit */
1572 GLbitfield _EnabledCoordUnits
; /**< one bit per enabled coordinate unit */
1573 GLbitfield _GenFlags
; /**< for texgen */
1574 GLbitfield _TexGenEnabled
;
1575 GLbitfield _TexMatEnabled
;
1578 struct gl_texture_unit Unit
[MAX_TEXTURE_UNITS
];
1580 struct gl_texture_object
*Proxy1D
;
1581 struct gl_texture_object
*Proxy2D
;
1582 struct gl_texture_object
*Proxy3D
;
1583 struct gl_texture_object
*ProxyCubeMap
;
1584 struct gl_texture_object
*ProxyRect
;
1585 struct gl_texture_object
*Proxy1DArray
;
1586 struct gl_texture_object
*Proxy2DArray
;
1588 /** GL_EXT_shared_texture_palette */
1589 GLboolean SharedPalette
;
1590 struct gl_color_table Palette
;
1595 * Transformation attribute group (GL_TRANSFORM_BIT).
1597 struct gl_transform_attrib
1599 GLenum MatrixMode
; /**< Matrix mode */
1600 GLfloat EyeUserPlane
[MAX_CLIP_PLANES
][4]; /**< User clip planes */
1601 GLfloat _ClipUserPlane
[MAX_CLIP_PLANES
][4]; /**< derived */
1602 GLbitfield ClipPlanesEnabled
; /**< on/off bitmask */
1603 GLboolean Normalize
; /**< Normalize all normals? */
1604 GLboolean RescaleNormals
; /**< GL_EXT_rescale_normal */
1605 GLboolean RasterPositionUnclipped
; /**< GL_IBM_rasterpos_clip */
1607 GLboolean CullVertexFlag
; /**< True if GL_CULL_VERTEX_EXT is enabled */
1608 GLfloat CullEyePos
[4];
1609 GLfloat CullObjPos
[4];
1614 * Viewport attribute group (GL_VIEWPORT_BIT).
1616 struct gl_viewport_attrib
1618 GLint X
, Y
; /**< position */
1619 GLsizei Width
, Height
; /**< size */
1620 GLfloat Near
, Far
; /**< Depth buffer range */
1621 GLmatrix _WindowMap
; /**< Mapping transformation as a matrix. */
1626 * Node for the attribute stack.
1628 struct gl_attrib_node
1632 struct gl_attrib_node
*next
;
1637 * GL_ARB_vertex/pixel_buffer_object buffer object
1639 struct gl_buffer_object
1645 GLvoid
*Pointer
; /**< Only valid while buffer is mapped */
1646 GLsizeiptrARB Size
; /**< Size of storage in bytes */
1647 GLubyte
*Data
; /**< Location of storage either in RAM or VRAM. */
1648 GLboolean OnCard
; /**< Is buffer in VRAM? (hardware drivers) */
1654 * Client pixel packing/unpacking attributes
1656 struct gl_pixelstore_attrib
1662 GLint ImageHeight
; /**< for GL_EXT_texture3D */
1663 GLint SkipImages
; /**< for GL_EXT_texture3D */
1664 GLboolean SwapBytes
;
1666 GLboolean ClientStorage
; /**< GL_APPLE_client_storage */
1667 GLboolean Invert
; /**< GL_MESA_pack_invert */
1668 struct gl_buffer_object
*BufferObj
; /**< GL_ARB_pixel_buffer_object */
1674 * Client vertex array attributes
1676 struct gl_client_array
1678 GLint Size
; /**< components per element (1,2,3,4) */
1679 GLenum Type
; /**< datatype: GL_FLOAT, GL_INT, etc */
1680 GLsizei Stride
; /**< user-specified stride */
1681 GLsizei StrideB
; /**< actual stride in bytes */
1682 const GLubyte
*Ptr
; /**< Points to array data */
1683 GLboolean Enabled
; /**< Enabled flag is a boolean */
1684 GLboolean Normalized
; /**< GL_ARB_vertex_program */
1686 /**< GL_ARB_vertex_buffer_object */
1687 struct gl_buffer_object
*BufferObj
;
1693 * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
1694 * extension, but a nice encapsulation in any case.
1696 struct gl_array_object
1698 /** Name of the array object as received from glGenVertexArrayAPPLE. */
1701 /** Conventional vertex arrays */
1703 struct gl_client_array Vertex
;
1704 struct gl_client_array Normal
;
1705 struct gl_client_array Color
;
1706 struct gl_client_array SecondaryColor
;
1707 struct gl_client_array FogCoord
;
1708 struct gl_client_array Index
;
1709 struct gl_client_array EdgeFlag
;
1710 struct gl_client_array TexCoord
[MAX_TEXTURE_COORD_UNITS
];
1711 struct gl_client_array PointSize
;
1714 /** Generic arrays for vertex programs/shaders */
1715 struct gl_client_array VertexAttrib
[VERT_ATTRIB_MAX
];
1717 /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
1718 GLbitfield _Enabled
;
1723 * Vertex array state
1725 struct gl_array_attrib
1727 struct gl_array_object
*ArrayObj
;
1728 struct gl_array_object
*DefaultArrayObj
;
1730 GLint ActiveTexture
; /**< Client Active Texture */
1731 GLuint LockFirst
; /**< GL_EXT_compiled_vertex_array */
1732 GLuint LockCount
; /**< GL_EXT_compiled_vertex_array */
1734 GLbitfield NewState
; /**< mask of _NEW_ARRAY_* values */
1736 #if FEATURE_ARB_vertex_buffer_object
1737 struct gl_buffer_object
*NullBufferObj
;
1738 struct gl_buffer_object
*ArrayBufferObj
;
1739 struct gl_buffer_object
*ElementArrayBufferObj
;
1741 GLuint _MaxElement
; /* Min of all enabled array's maxes */
1746 * Feedback buffer state
1751 GLbitfield _Mask
; /* FB_* bits */
1759 * Selection buffer state
1763 GLuint
*Buffer
; /**< selection buffer */
1764 GLuint BufferSize
; /**< size of the selection buffer */
1765 GLuint BufferCount
; /**< number of values in the selection buffer */
1766 GLuint Hits
; /**< number of records in the selection buffer */
1767 GLuint NameStackDepth
; /**< name stack depth */
1768 GLuint NameStack
[MAX_NAME_STACK_DEPTH
]; /**< name stack */
1769 GLboolean HitFlag
; /**< hit flag */
1770 GLfloat HitMinZ
; /**< minimum hit depth */
1771 GLfloat HitMaxZ
; /**< maximum hit depth */
1776 * 1-D Evaluator control points
1780 GLuint Order
; /**< Number of control points */
1781 GLfloat u1
, u2
, du
; /**< u1, u2, 1.0/(u2-u1) */
1782 GLfloat
*Points
; /**< Points to contiguous control points */
1787 * 2-D Evaluator control points
1791 GLuint Uorder
; /**< Number of control points in U dimension */
1792 GLuint Vorder
; /**< Number of control points in V dimension */
1795 GLfloat
*Points
; /**< Points to contiguous control points */
1800 * All evaluator control point state
1802 struct gl_evaluators
1808 struct gl_1d_map Map1Vertex3
;
1809 struct gl_1d_map Map1Vertex4
;
1810 struct gl_1d_map Map1Index
;
1811 struct gl_1d_map Map1Color4
;
1812 struct gl_1d_map Map1Normal
;
1813 struct gl_1d_map Map1Texture1
;
1814 struct gl_1d_map Map1Texture2
;
1815 struct gl_1d_map Map1Texture3
;
1816 struct gl_1d_map Map1Texture4
;
1817 struct gl_1d_map Map1Attrib
[16]; /**< GL_NV_vertex_program */
1824 struct gl_2d_map Map2Vertex3
;
1825 struct gl_2d_map Map2Vertex4
;
1826 struct gl_2d_map Map2Index
;
1827 struct gl_2d_map Map2Color4
;
1828 struct gl_2d_map Map2Normal
;
1829 struct gl_2d_map Map2Texture1
;
1830 struct gl_2d_map Map2Texture2
;
1831 struct gl_2d_map Map2Texture3
;
1832 struct gl_2d_map Map2Texture4
;
1833 struct gl_2d_map Map2Attrib
[16]; /**< GL_NV_vertex_program */
1839 * Names of the various vertex/fragment program register files, etc.
1841 * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
1842 * All values should fit in a 4-bit field.
1844 * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
1845 * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
1846 * be "uniform" variables since they can only be set outside glBegin/End.
1847 * They're also all stored in the same Parameters array.
1851 PROGRAM_TEMPORARY
= 0, /**< machine->Temporary[] */
1852 PROGRAM_LOCAL_PARAM
= 1, /**< gl_program->LocalParams[] */
1853 PROGRAM_ENV_PARAM
= 2, /**< gl_program->Parameters[] */
1854 PROGRAM_STATE_VAR
= 3, /**< gl_program->Parameters[] */
1855 PROGRAM_INPUT
= 4, /**< machine->Inputs[] */
1856 PROGRAM_OUTPUT
= 5, /**< machine->Outputs[] */
1857 PROGRAM_NAMED_PARAM
= 6, /**< gl_program->Parameters[] */
1858 PROGRAM_CONSTANT
= 7, /**< gl_program->Parameters[] */
1859 PROGRAM_UNIFORM
= 8, /**< gl_program->Parameters[] */
1860 PROGRAM_VARYING
= 9, /**< machine->Inputs[]/Outputs[] */
1861 PROGRAM_WRITE_ONLY
= 10, /**< A dummy, write-only register */
1862 PROGRAM_ADDRESS
= 11, /**< machine->AddressReg */
1863 PROGRAM_SAMPLER
= 12, /**< for shader samplers, compile-time only */
1864 PROGRAM_UNDEFINED
= 13, /**< Invalid value */
1869 /** Vertex and fragment instructions */
1870 struct prog_instruction
;
1871 struct gl_program_parameter_list
;
1872 struct gl_uniform_list
;
1876 * Base class for any kind of program object
1881 GLubyte
*String
; /**< Null-terminated program text */
1883 GLenum Target
; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
1884 GLenum Format
; /**< String encoding format */
1887 struct prog_instruction
*Instructions
;
1889 GLbitfield InputsRead
; /**< Bitmask of which input regs are read */
1890 GLbitfield OutputsWritten
; /**< Bitmask of which output regs are written to */
1891 GLbitfield TexturesUsed
[MAX_TEXTURE_IMAGE_UNITS
]; /**< TEXTURE_x_BIT bitmask */
1892 GLbitfield SamplersUsed
; /**< Bitfield of which samplers are used */
1893 GLbitfield ShadowSamplers
; /**< Texture units used for shadow sampling. */
1895 /** Named parameters, constants, etc. from program text */
1896 struct gl_program_parameter_list
*Parameters
;
1897 /** Numbered local parameters */
1898 GLfloat LocalParams
[MAX_PROGRAM_LOCAL_PARAMS
][4];
1900 /** Vertex/fragment shader varying vars */
1901 struct gl_program_parameter_list
*Varying
;
1902 /** Vertex program user-defined attributes */
1903 struct gl_program_parameter_list
*Attributes
;
1905 /** Map from sampler unit to texture unit (set by glUniform1i()) */
1906 GLubyte SamplerUnits
[MAX_SAMPLERS
];
1907 /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
1908 GLubyte SamplerTargets
[MAX_SAMPLERS
];
1910 /** Logical counts */
1912 GLuint NumInstructions
;
1913 GLuint NumTemporaries
;
1914 GLuint NumParameters
;
1915 GLuint NumAttributes
;
1916 GLuint NumAddressRegs
;
1917 GLuint NumAluInstructions
;
1918 GLuint NumTexInstructions
;
1919 GLuint NumTexIndirections
;
1921 /** Native, actual h/w counts */
1923 GLuint NumNativeInstructions
;
1924 GLuint NumNativeTemporaries
;
1925 GLuint NumNativeParameters
;
1926 GLuint NumNativeAttributes
;
1927 GLuint NumNativeAddressRegs
;
1928 GLuint NumNativeAluInstructions
;
1929 GLuint NumNativeTexInstructions
;
1930 GLuint NumNativeTexIndirections
;
1935 /** Vertex program object */
1936 struct gl_vertex_program
1938 struct gl_program Base
; /**< base class */
1939 GLboolean IsNVProgram
; /**< is this a GL_NV_vertex_program program? */
1940 GLboolean IsPositionInvariant
;
1941 void *TnlData
; /**< should probably use Base.DriverData */
1945 /** Fragment program object */
1946 struct gl_fragment_program
1948 struct gl_program Base
; /**< base class */
1955 * State common to vertex and fragment programs.
1957 struct gl_program_state
1959 GLint ErrorPos
; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
1960 const char *ErrorString
; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
1965 * Context state for vertex programs.
1967 struct gl_vertex_program_state
1969 GLboolean Enabled
; /**< GL_VERTEX_PROGRAM_ARB/NV */
1970 GLboolean _Enabled
; /**< Enabled and valid program? */
1971 GLboolean PointSizeEnabled
; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
1972 GLboolean TwoSideEnabled
; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
1973 struct gl_vertex_program
*Current
; /**< user-bound vertex program */
1975 /** Currently enabled and valid program (including internal programs
1976 * and compiled shader programs).
1978 struct gl_vertex_program
*_Current
;
1980 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
1982 /* For GL_NV_vertex_program only: */
1983 GLenum TrackMatrix
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1984 GLenum TrackMatrixTransform
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1986 /** Should fixed-function T&L be implemented with a vertex prog? */
1987 GLboolean _MaintainTnlProgram
;
1989 /** Program to emulate fixed-function T&L (see above) */
1990 struct gl_vertex_program
*_TnlProgram
;
1992 /** Cache of fixed-function programs */
1993 struct gl_program_cache
*Cache
;
1995 #if FEATURE_MESA_program_debug
1996 GLprogramcallbackMESA Callback
;
1997 GLvoid
*CallbackData
;
1998 GLboolean CallbackEnabled
;
1999 GLuint CurrentPosition
;
2005 * Context state for fragment programs.
2007 struct gl_fragment_program_state
2009 GLboolean Enabled
; /**< User-set fragment program enable flag */
2010 GLboolean _Enabled
; /**< Fragment program enabled and valid? */
2012 struct gl_fragment_program
*Current
; /**< User-bound fragment program */
2014 /** Currently enabled and valid program (including internal programs
2015 * and compiled shader programs).
2017 struct gl_fragment_program
*_Current
;
2019 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2021 /** Should fixed-function texturing be implemented with a fragment prog? */
2022 GLboolean _MaintainTexEnvProgram
;
2023 GLboolean _UseTexEnvProgram
;
2025 /** Program to emulate fixed-function texture env/combine (see above) */
2026 struct gl_fragment_program
*_TexEnvProgram
;
2028 /** Cache of fixed-function programs */
2029 struct gl_program_cache
*Cache
;
2031 #if FEATURE_MESA_program_debug
2032 GLprogramcallbackMESA Callback
;
2033 GLvoid
*CallbackData
;
2034 GLboolean CallbackEnabled
;
2035 GLuint CurrentPosition
;
2041 * ATI_fragment_shader runtime state
2043 #define ATI_FS_INPUT_PRIMARY 0
2044 #define ATI_FS_INPUT_SECONDARY 1
2046 struct atifs_instruction
;
2047 struct atifs_setupinst
;
2050 * ATI fragment shader
2052 struct ati_fragment_shader
2056 struct atifs_instruction
*Instructions
[2];
2057 struct atifs_setupinst
*SetupInst
[2];
2058 GLfloat Constants
[8][4];
2059 GLbitfield LocalConstDef
; /** Indicates which constants have been set */
2060 GLubyte numArithInstr
[2];
2061 GLubyte regsAssigned
[2];
2062 GLubyte NumPasses
; /** 1 or 2 */
2064 GLubyte last_optype
;
2065 GLboolean interpinp1
;
2071 * Context state for GL_ATI_fragment_shader
2073 struct gl_ati_fragment_shader_state
2076 GLboolean _Enabled
; /** enabled and valid shader? */
2077 GLboolean Compiling
;
2078 GLfloat GlobalConstants
[8][4];
2079 struct ati_fragment_shader
*Current
;
2084 * Occlusion/timer query object.
2086 struct gl_query_object
2088 GLenum Target
; /**< The query target, when active */
2089 GLuint Id
; /**< hash table ID/name */
2090 GLuint64EXT Result
; /**< the counter */
2091 GLboolean Active
; /**< inside Begin/EndQuery */
2092 GLboolean Ready
; /**< result is ready? */
2097 * Context state for query objects.
2099 struct gl_query_state
2101 struct _mesa_HashTable
*QueryObjects
;
2102 struct gl_query_object
*CurrentOcclusionObject
; /* GL_ARB_occlusion_query */
2103 struct gl_query_object
*CurrentTimerObject
; /* GL_EXT_timer_query */
2109 * A GLSL vertex or fragment shader object.
2113 GLenum Type
; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */
2114 GLuint Name
; /**< AKA the handle */
2115 GLint RefCount
; /**< Reference count */
2116 GLboolean DeletePending
;
2118 const GLchar
*Source
; /**< Source code string */
2119 GLboolean CompileStatus
;
2120 GLuint NumPrograms
; /**< size of Programs[] array */
2121 struct gl_program
**Programs
; /**< Post-compile assembly code */
2127 * A GLSL program object.
2128 * Basically a linked collection of vertex and fragment shaders.
2130 struct gl_shader_program
2132 GLenum Type
; /**< Always GL_SHADER_PROGRAM (internal token) */
2133 GLuint Name
; /**< aka handle or ID */
2134 GLint RefCount
; /**< Reference count */
2135 GLboolean DeletePending
;
2137 GLuint NumShaders
; /**< number of attached shaders */
2138 struct gl_shader
**Shaders
; /**< List of attached the shaders */
2140 /* post-link info: */
2141 struct gl_vertex_program
*VertexProgram
; /**< Linked vertex program */
2142 struct gl_fragment_program
*FragmentProgram
; /**< Linked fragment prog */
2143 struct gl_uniform_list
*Uniforms
;
2144 struct gl_program_parameter_list
*Varying
;
2145 struct gl_program_parameter_list
*Attributes
; /**< Vertex attributes */
2146 GLboolean LinkStatus
; /**< GL_LINK_STATUS */
2147 GLboolean Validated
;
2153 * Context state for GLSL vertex/fragment shaders.
2155 struct gl_shader_state
2157 struct gl_shader_program
*CurrentProgram
; /**< The user-bound program */
2158 /** Driver-selectable options: */
2159 GLboolean EmitHighLevelInstructions
; /**< IF/ELSE/ENDIF vs. BRA, etc. */
2160 GLboolean EmitCondCodes
; /**< Use condition codes? */
2161 GLboolean EmitComments
; /**< Annotated instructions */
2167 * State which can be shared by multiple contexts:
2169 struct gl_shared_state
2171 _glthread_Mutex Mutex
; /**< for thread safety */
2172 GLint RefCount
; /**< Reference count */
2173 struct _mesa_HashTable
*DisplayList
; /**< Display lists hash table */
2174 struct _mesa_HashTable
*TexObjects
; /**< Texture objects hash table */
2177 * \name Default texture objects (shared by all multi-texture units)
2180 struct gl_texture_object
*Default1D
;
2181 struct gl_texture_object
*Default2D
;
2182 struct gl_texture_object
*Default3D
;
2183 struct gl_texture_object
*DefaultCubeMap
;
2184 struct gl_texture_object
*DefaultRect
;
2185 struct gl_texture_object
*Default1DArray
;
2186 struct gl_texture_object
*Default2DArray
;
2190 * \name Thread safety and statechange notification for texture
2193 * \todo Improve the granularity of locking.
2196 _glthread_Mutex TexMutex
; /**< texobj thread safety */
2197 GLuint TextureStateStamp
; /**< state notification for shared tex */
2202 * \name Vertex/fragment programs
2205 struct _mesa_HashTable
*Programs
; /**< All vertex/fragment programs */
2206 #if FEATURE_ARB_vertex_program
2207 struct gl_vertex_program
*DefaultVertexProgram
;
2209 #if FEATURE_ARB_fragment_program
2210 struct gl_fragment_program
*DefaultFragmentProgram
;
2214 #if FEATURE_ATI_fragment_shader
2215 struct _mesa_HashTable
*ATIShaders
;
2216 struct ati_fragment_shader
*DefaultFragmentShader
;
2219 #if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
2220 struct _mesa_HashTable
*BufferObjects
;
2223 #if FEATURE_ARB_shader_objects
2224 /** Table of both gl_shader and gl_shader_program objects */
2225 struct _mesa_HashTable
*ShaderObjects
;
2228 #if FEATURE_EXT_framebuffer_object
2229 struct _mesa_HashTable
*RenderBuffers
;
2230 struct _mesa_HashTable
*FrameBuffers
;
2233 /** Objects associated with the GL_APPLE_vertex_array_object extension. */
2234 struct _mesa_HashTable
*ArrayObjects
;
2236 void *DriverData
; /**< Device driver shared state */
2243 * A renderbuffer stores colors or depth values or stencil values.
2244 * A framebuffer object will have a collection of these.
2245 * Data are read/written to the buffer with a handful of Get/Put functions.
2247 * Instances of this object are allocated with the Driver's NewRenderbuffer
2248 * hook. Drivers will likely wrap this class inside a driver-specific
2249 * class to simulate inheritance.
2251 struct gl_renderbuffer
2253 #define RB_MAGIC 0xaabbccdd
2254 int Magic
; /** XXX TEMPORARY DEBUG INFO */
2255 _glthread_Mutex Mutex
; /**< for thread safety */
2256 GLuint ClassID
; /**< Useful for drivers */
2259 GLuint Width
, Height
;
2260 GLenum InternalFormat
; /**< The user-specified format */
2261 GLenum _ActualFormat
; /**< The driver-chosen format */
2262 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
2263 GL_STENCIL_INDEX. */
2264 GLenum DataType
; /**< Type of values passed to the Get/Put functions */
2265 GLubyte RedBits
; /**< Bits of red per pixel */
2271 GLubyte StencilBits
;
2272 GLvoid
*Data
; /**< This may not be used by some kinds of RBs */
2274 /* Used to wrap one renderbuffer around another: */
2275 struct gl_renderbuffer
*Wrapped
;
2277 /* Delete this renderbuffer */
2278 void (*Delete
)(struct gl_renderbuffer
*rb
);
2280 /* Allocate new storage for this renderbuffer */
2281 GLboolean (*AllocStorage
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2282 GLenum internalFormat
,
2283 GLuint width
, GLuint height
);
2285 /* Lock/Unlock are called before/after calling the Get/Put functions.
2286 * Not sure this is the right place for these yet.
2287 void (*Lock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2288 void (*Unlock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2291 /* Return a pointer to the element/pixel at (x,y).
2292 * Should return NULL if the buffer memory can't be directly addressed.
2294 void *(*GetPointer
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2297 /* Get/Read a row of values.
2298 * The values will be of format _BaseFormat and type DataType.
2300 void (*GetRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2301 GLint x
, GLint y
, void *values
);
2303 /* Get/Read values at arbitrary locations.
2304 * The values will be of format _BaseFormat and type DataType.
2306 void (*GetValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2307 const GLint x
[], const GLint y
[], void *values
);
2309 /* Put/Write a row of values.
2310 * The values will be of format _BaseFormat and type DataType.
2312 void (*PutRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2313 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2315 /* Put/Write a row of RGB values. This is a special-case routine that's
2316 * only used for RGBA renderbuffers when the source data is GL_RGB. That's
2317 * a common case for glDrawPixels and some triangle routines.
2318 * The values will be of format GL_RGB and type DataType.
2320 void (*PutRowRGB
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2321 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2324 /* Put/Write a row of identical values.
2325 * The values will be of format _BaseFormat and type DataType.
2327 void (*PutMonoRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2328 GLint x
, GLint y
, const void *value
, const GLubyte
*mask
);
2330 /* Put/Write values at arbitrary locations.
2331 * The values will be of format _BaseFormat and type DataType.
2333 void (*PutValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2334 const GLint x
[], const GLint y
[], const void *values
,
2335 const GLubyte
*mask
);
2336 /* Put/Write identical values at arbitrary locations.
2337 * The values will be of format _BaseFormat and type DataType.
2339 void (*PutMonoValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2340 GLuint count
, const GLint x
[], const GLint y
[],
2341 const void *value
, const GLubyte
*mask
);
2346 * A renderbuffer attachment point points to either a texture object
2347 * (and specifies a mipmap level, cube face or 3D texture slice) or
2348 * points to a renderbuffer.
2350 struct gl_renderbuffer_attachment
2352 GLenum Type
; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
2356 * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
2357 * application supplied renderbuffer object.
2359 struct gl_renderbuffer
*Renderbuffer
;
2362 * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
2363 * supplied texture object.
2365 struct gl_texture_object
*Texture
;
2366 GLuint TextureLevel
; /**< Attached mipmap level. */
2367 GLuint CubeMapFace
; /**< 0 .. 5, for cube map textures. */
2368 GLuint Zoffset
; /**< Slice for 3D textures, or layer for both 1D
2369 * and 2D array textures */
2374 * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
2375 * In C++ terms, think of this as a base class from which device drivers
2376 * will make derived classes.
2378 struct gl_framebuffer
2380 _glthread_Mutex Mutex
; /**< for thread safety */
2381 GLuint Name
; /* if zero, this is a window system framebuffer */
2383 GLboolean DeletePending
;
2385 GLvisual Visual
; /**< The framebuffer's visual.
2386 Immutable if this is a window system buffer.
2387 Computed from attachments if user-made FBO. */
2389 GLboolean Initialized
;
2391 GLuint Width
, Height
; /**< size of frame buffer in pixels */
2393 /** \name Drawing bounds (Intersection of buffer size and scissor box) */
2395 GLint _Xmin
, _Xmax
; /**< inclusive */
2396 GLint _Ymin
, _Ymax
; /**< exclusive */
2399 /** \name Derived Z buffer stuff */
2401 GLuint _DepthMax
; /**< Max depth buffer value */
2402 GLfloat _DepthMaxF
; /**< Float max depth buffer value */
2403 GLfloat _MRD
; /**< minimum resolvable difference in Z values */
2406 GLenum _Status
; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
2408 /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
2409 struct gl_renderbuffer_attachment Attachment
[BUFFER_COUNT
];
2411 /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
2412 * attribute group and GL_PIXEL attribute group, respectively.
2414 GLenum ColorDrawBuffer
[MAX_DRAW_BUFFERS
];
2415 GLenum ColorReadBuffer
;
2417 /* These are computed from ColorDrawBuffer and ColorReadBuffer */
2418 GLbitfield _ColorDrawBufferMask
[MAX_DRAW_BUFFERS
]; /* Mask of BUFFER_BIT_* flags */
2419 GLint _ColorReadBufferIndex
; /* -1 = None */
2421 /* These are computed from _ColorDrawBufferMask and _ColorReadBufferIndex */
2422 GLuint _NumColorDrawBuffers
[MAX_DRAW_BUFFERS
];
2423 struct gl_renderbuffer
*_ColorDrawBuffers
[MAX_DRAW_BUFFERS
][4];
2424 struct gl_renderbuffer
*_ColorReadBuffer
;
2426 /** The Actual depth/stencil buffers to use. May be wrappers around the
2427 * depth/stencil buffers attached above. */
2428 struct gl_renderbuffer
*_DepthBuffer
;
2429 struct gl_renderbuffer
*_StencilBuffer
;
2431 /** Delete this framebuffer */
2432 void (*Delete
)(struct gl_framebuffer
*fb
);
2437 * Limits for vertex and fragment programs.
2439 struct gl_program_constants
2441 /* logical limits */
2442 GLuint MaxInstructions
;
2443 GLuint MaxAluInstructions
; /* fragment programs only, for now */
2444 GLuint MaxTexInstructions
; /* fragment programs only, for now */
2445 GLuint MaxTexIndirections
; /* fragment programs only, for now */
2448 GLuint MaxAddressRegs
; /* vertex program only, for now */
2449 GLuint MaxParameters
;
2450 GLuint MaxLocalParams
;
2451 GLuint MaxEnvParams
;
2452 /* native/hardware limits */
2453 GLuint MaxNativeInstructions
;
2454 GLuint MaxNativeAluInstructions
; /* fragment programs only, for now */
2455 GLuint MaxNativeTexInstructions
; /* fragment programs only, for now */
2456 GLuint MaxNativeTexIndirections
; /* fragment programs only, for now */
2457 GLuint MaxNativeAttribs
;
2458 GLuint MaxNativeTemps
;
2459 GLuint MaxNativeAddressRegs
; /* vertex program only, for now */
2460 GLuint MaxNativeParameters
;
2462 GLuint MaxUniformComponents
;
2467 * Constants which may be overridden by device driver during context creation
2468 * but are never changed after that.
2472 GLint MaxTextureLevels
; /**< Maximum number of allowed mipmap levels. */
2473 GLint Max3DTextureLevels
; /**< Maximum number of allowed mipmap levels for 3D texture targets. */
2474 GLint MaxCubeTextureLevels
; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */
2475 GLint MaxArrayTextureLayers
; /**< Maximum number of layers in an array texture. */
2476 GLint MaxTextureRectSize
; /* GL_NV_texture_rectangle */
2477 GLuint MaxTextureCoordUnits
;
2478 GLuint MaxTextureImageUnits
;
2479 GLuint MaxTextureUnits
; /* = MIN(CoordUnits, ImageUnits) */
2480 GLfloat MaxTextureMaxAnisotropy
; /* GL_EXT_texture_filter_anisotropic */
2481 GLfloat MaxTextureLodBias
; /* GL_EXT_texture_lod_bias */
2482 GLuint MaxArrayLockSize
;
2484 GLfloat MinPointSize
, MaxPointSize
; /* aliased */
2485 GLfloat MinPointSizeAA
, MaxPointSizeAA
; /* antialiased */
2486 GLfloat PointSizeGranularity
;
2487 GLfloat MinLineWidth
, MaxLineWidth
; /* aliased */
2488 GLfloat MinLineWidthAA
, MaxLineWidthAA
; /* antialiased */
2489 GLfloat LineWidthGranularity
;
2490 GLuint MaxColorTableSize
;
2491 GLuint MaxConvolutionWidth
;
2492 GLuint MaxConvolutionHeight
;
2493 GLuint MaxClipPlanes
;
2495 GLfloat MaxShininess
; /* GL_NV_light_max_exponent */
2496 GLfloat MaxSpotExponent
; /* GL_NV_light_max_exponent */
2497 GLuint MaxViewportWidth
, MaxViewportHeight
;
2498 struct gl_program_constants VertexProgram
; /* GL_ARB_vertex_program */
2499 struct gl_program_constants FragmentProgram
; /* GL_ARB_fragment_program */
2500 /* shared by vertex and fragment program: */
2501 GLuint MaxProgramMatrices
;
2502 GLuint MaxProgramMatrixStackDepth
;
2503 /* vertex array / buffer object bounds checking */
2504 GLboolean CheckArrayBounds
;
2505 /* GL_ARB_draw_buffers */
2506 GLuint MaxDrawBuffers
;
2507 /* GL_OES_read_format */
2508 GLenum ColorReadFormat
;
2509 GLenum ColorReadType
;
2510 /* GL_EXT_framebuffer_object */
2511 GLuint MaxColorAttachments
;
2512 GLuint MaxRenderbufferSize
;
2513 /* GL_ARB_vertex_shader */
2514 GLuint MaxVertexTextureImageUnits
;
2520 * Enable flag for each OpenGL extension. Different device drivers will
2521 * enable different extensions at runtime.
2523 struct gl_extensions
2526 * \name Flags to quickly test if certain extensions are available.
2528 * Not every extension needs to have such a flag, but it's encouraged.
2531 GLboolean dummy
; /* don't remove this! */
2532 GLboolean ARB_depth_texture
;
2533 GLboolean ARB_draw_buffers
;
2534 GLboolean ARB_fragment_program
;
2535 GLboolean ARB_fragment_program_shadow
;
2536 GLboolean ARB_fragment_shader
;
2537 GLboolean ARB_half_float_pixel
;
2538 GLboolean ARB_imaging
;
2539 GLboolean ARB_multisample
;
2540 GLboolean ARB_multitexture
;
2541 GLboolean ARB_occlusion_query
;
2542 GLboolean ARB_point_sprite
;
2543 GLboolean ARB_shader_objects
;
2544 GLboolean ARB_shading_language_100
;
2545 GLboolean ARB_shading_language_120
;
2546 GLboolean ARB_shadow
;
2547 GLboolean ARB_texture_border_clamp
;
2548 GLboolean ARB_texture_compression
;
2549 GLboolean ARB_texture_cube_map
;
2550 GLboolean ARB_texture_env_combine
;
2551 GLboolean ARB_texture_env_crossbar
;
2552 GLboolean ARB_texture_env_dot3
;
2553 GLboolean ARB_texture_float
;
2554 GLboolean ARB_texture_mirrored_repeat
;
2555 GLboolean ARB_texture_non_power_of_two
;
2556 GLboolean ARB_transpose_matrix
;
2557 GLboolean ARB_vertex_buffer_object
;
2558 GLboolean ARB_vertex_program
;
2559 GLboolean ARB_vertex_shader
;
2560 GLboolean ARB_window_pos
;
2563 GLboolean EXT_blend_color
;
2564 GLboolean EXT_blend_equation_separate
;
2565 GLboolean EXT_blend_func_separate
;
2566 GLboolean EXT_blend_logic_op
;
2567 GLboolean EXT_blend_minmax
;
2568 GLboolean EXT_blend_subtract
;
2569 GLboolean EXT_clip_volume_hint
;
2570 GLboolean EXT_cull_vertex
;
2571 GLboolean EXT_convolution
;
2572 GLboolean EXT_compiled_vertex_array
;
2573 GLboolean EXT_copy_texture
;
2574 GLboolean EXT_depth_bounds_test
;
2575 GLboolean EXT_draw_range_elements
;
2576 GLboolean EXT_framebuffer_object
;
2577 GLboolean EXT_fog_coord
;
2578 GLboolean EXT_framebuffer_blit
;
2579 GLboolean EXT_gpu_program_parameters
;
2580 GLboolean EXT_histogram
;
2581 GLboolean EXT_multi_draw_arrays
;
2582 GLboolean EXT_paletted_texture
;
2583 GLboolean EXT_packed_depth_stencil
;
2584 GLboolean EXT_packed_pixels
;
2585 GLboolean EXT_pixel_buffer_object
;
2586 GLboolean EXT_point_parameters
;
2587 GLboolean EXT_polygon_offset
;
2588 GLboolean EXT_rescale_normal
;
2589 GLboolean EXT_shadow_funcs
;
2590 GLboolean EXT_secondary_color
;
2591 GLboolean EXT_separate_specular_color
;
2592 GLboolean EXT_shared_texture_palette
;
2593 GLboolean EXT_stencil_wrap
;
2594 GLboolean EXT_stencil_two_side
;
2595 GLboolean EXT_subtexture
;
2596 GLboolean EXT_texture
;
2597 GLboolean EXT_texture_object
;
2598 GLboolean EXT_texture3D
;
2599 GLboolean EXT_texture_compression_s3tc
;
2600 GLboolean EXT_texture_env_add
;
2601 GLboolean EXT_texture_env_combine
;
2602 GLboolean EXT_texture_env_dot3
;
2603 GLboolean EXT_texture_filter_anisotropic
;
2604 GLboolean EXT_texture_lod_bias
;
2605 GLboolean EXT_texture_mirror_clamp
;
2606 GLboolean EXT_texture_sRGB
;
2607 GLboolean EXT_timer_query
;
2608 GLboolean EXT_vertex_array
;
2609 GLboolean EXT_vertex_array_set
;
2610 /* vendor extensions */
2611 GLboolean APPLE_client_storage
;
2612 GLboolean APPLE_packed_pixels
;
2613 GLboolean APPLE_vertex_array_object
;
2614 GLboolean ATI_texture_mirror_once
;
2615 GLboolean ATI_texture_env_combine3
;
2616 GLboolean ATI_fragment_shader
;
2617 GLboolean ATI_separate_stencil
;
2618 GLboolean IBM_rasterpos_clip
;
2619 GLboolean IBM_multimode_draw_arrays
;
2620 GLboolean MESA_pack_invert
;
2621 GLboolean MESA_packed_depth_stencil
;
2622 GLboolean MESA_program_debug
;
2623 GLboolean MESA_resize_buffers
;
2624 GLboolean MESA_ycbcr_texture
;
2625 GLboolean MESA_texture_array
;
2626 GLboolean NV_blend_square
;
2627 GLboolean NV_fragment_program
;
2628 GLboolean NV_light_max_exponent
;
2629 GLboolean NV_point_sprite
;
2630 GLboolean NV_texgen_reflection
;
2631 GLboolean NV_texture_rectangle
;
2632 GLboolean NV_vertex_program
;
2633 GLboolean NV_vertex_program1_1
;
2634 GLboolean OES_read_format
;
2635 GLboolean SGI_color_matrix
;
2636 GLboolean SGI_color_table
;
2637 GLboolean SGI_texture_color_table
;
2638 GLboolean SGIS_generate_mipmap
;
2639 GLboolean SGIS_texture_edge_clamp
;
2640 GLboolean SGIS_texture_lod
;
2641 GLboolean SGIX_depth_texture
;
2642 GLboolean SGIX_shadow
;
2643 GLboolean SGIX_shadow_ambient
; /* or GL_ARB_shadow_ambient */
2644 GLboolean TDFX_texture_compression_FXT1
;
2647 /* The extension string */
2648 const GLubyte
*String
;
2653 * A stack of matrices (projection, modelview, color, texture, etc).
2655 struct gl_matrix_stack
2657 GLmatrix
*Top
; /**< points into Stack */
2658 GLmatrix
*Stack
; /**< array [MaxDepth] of GLmatrix */
2659 GLuint Depth
; /**< 0 <= Depth < MaxDepth */
2660 GLuint MaxDepth
; /**< size of Stack[] array */
2661 GLuint DirtyFlag
; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
2666 * \name Bits for image transfer operations
2668 * \sa __GLcontextRec::ImageTransferState.
2671 #define IMAGE_SCALE_BIAS_BIT 0x1
2672 #define IMAGE_SHIFT_OFFSET_BIT 0x2
2673 #define IMAGE_MAP_COLOR_BIT 0x4
2674 #define IMAGE_COLOR_TABLE_BIT 0x8
2675 #define IMAGE_CONVOLUTION_BIT 0x10
2676 #define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20
2677 #define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40
2678 #define IMAGE_COLOR_MATRIX_BIT 0x80
2679 #define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100
2680 #define IMAGE_HISTOGRAM_BIT 0x200
2681 #define IMAGE_MIN_MAX_BIT 0x400
2682 #define IMAGE_CLAMP_BIT 0x800 /* extra */
2685 /** Pixel Transfer ops up to convolution */
2686 #define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \
2687 IMAGE_SHIFT_OFFSET_BIT | \
2688 IMAGE_MAP_COLOR_BIT | \
2689 IMAGE_COLOR_TABLE_BIT)
2691 /** Pixel transfer ops after convolution */
2692 #define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \
2693 IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \
2694 IMAGE_COLOR_MATRIX_BIT | \
2695 IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\
2696 IMAGE_HISTOGRAM_BIT | \
2702 * \name Bits to indicate what state has changed.
2707 #define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */
2708 #define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */
2709 #define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */
2710 #define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */
2711 #define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */
2712 #define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */
2713 #define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */
2714 #define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */
2715 #define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */
2716 #define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */
2717 #define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */
2718 #define _NEW_LINE 0x800 /**< __GLcontextRec::Line */
2719 #define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */
2720 #define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */
2721 #define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */
2722 #define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */
2723 #define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */
2724 #define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */
2725 #define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */
2726 #define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */
2727 #define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */
2728 #define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */
2729 #define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */
2730 #define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */
2731 #define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */
2732 #define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */
2733 #define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */
2734 #define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */
2740 * \name Bits to track array state changes
2742 * Also used to summarize array enabled.
2745 #define _NEW_ARRAY_VERTEX VERT_BIT_POS
2746 #define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
2747 #define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
2748 #define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
2749 #define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
2750 #define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
2751 #define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
2752 #define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
2753 #define _NEW_ARRAY_POINT_SIZE VERT_BIT_COLOR_INDEX /* aliased */
2754 #define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
2755 #define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
2756 #define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
2757 #define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
2758 #define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
2759 #define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
2760 #define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
2761 #define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
2762 #define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
2763 #define _NEW_ARRAY_ALL 0xffffffff
2766 #define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
2767 #define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
2773 * \name A bunch of flags that we think might be useful to drivers.
2775 * Set in the __GLcontextRec::_TriangleCaps bitfield.
2778 #define DD_FLATSHADE 0x1
2779 #define DD_SEPARATE_SPECULAR 0x2
2780 #define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
2781 #define DD_TRI_LIGHT_TWOSIDE 0x8
2782 #define DD_TRI_UNFILLED 0x10
2783 #define DD_TRI_SMOOTH 0x20
2784 #define DD_TRI_STIPPLE 0x40
2785 #define DD_TRI_OFFSET 0x80
2786 #define DD_LINE_SMOOTH 0x100
2787 #define DD_LINE_STIPPLE 0x200
2788 #define DD_LINE_WIDTH 0x400
2789 #define DD_POINT_SMOOTH 0x800
2790 #define DD_POINT_SIZE 0x1000
2791 #define DD_POINT_ATTEN 0x2000
2792 #define DD_TRI_TWOSTENCIL 0x4000
2797 * \name Define the state changes under which each of these bits might change
2800 #define _DD_NEW_FLATSHADE _NEW_LIGHT
2801 #define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
2802 #define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
2803 #define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
2804 #define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
2805 #define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
2806 #define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
2807 #define _DD_NEW_TRI_OFFSET _NEW_POLYGON
2808 #define _DD_NEW_LINE_SMOOTH _NEW_LINE
2809 #define _DD_NEW_LINE_STIPPLE _NEW_LINE
2810 #define _DD_NEW_LINE_WIDTH _NEW_LINE
2811 #define _DD_NEW_POINT_SMOOTH _NEW_POINT
2812 #define _DD_NEW_POINT_SIZE _NEW_POINT
2813 #define _DD_NEW_POINT_ATTEN _NEW_POINT
2817 #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
2823 #define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \
2826 #define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX)
2832 * Forward declaration of display list data types:
2835 typedef union node Node
;
2838 /* This has to be included here. */
2842 #define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *))
2845 * Core Mesa's support for tnl modules:
2847 struct gl_tnl_module
2850 * Vertex format to be lazily swapped into current dispatch.
2852 const GLvertexformat
*Current
;
2855 * \name Record of functions swapped out.
2856 * On restore, only need to swap these functions back in.
2860 _glapi_proc
* location
;
2861 _glapi_proc function
;
2862 } Swapped
[NUM_VERTEX_FORMAT_ENTRIES
];
2867 /* Strictly this is a tnl/ private concept, but it doesn't seem
2868 * worthwhile adding a tnl private structure just to hold this one bit
2871 #define MESA_DLIST_DANGLING_REFS 0x1
2873 /* Provide a location where information about a display list can be
2874 * collected. Could be extended with driverPrivate structures,
2875 * etc. in the future.
2877 struct mesa_display_list
2886 * State used during display list compilation and execution.
2888 struct gl_dlist_state
2890 struct mesa_display_list
*CallStack
[MAX_LIST_NESTING
];
2891 GLuint CallDepth
; /**< Current recursion calling depth */
2893 struct mesa_display_list
*CurrentList
;
2894 Node
*CurrentListPtr
; /**< Head of list being compiled */
2895 GLuint CurrentListNum
; /**< Number of the list being compiled */
2896 Node
*CurrentBlock
; /**< Pointer to current block of nodes */
2897 GLuint CurrentPos
; /**< Index into current block of nodes */
2899 GLvertexformat ListVtxfmt
;
2901 GLubyte ActiveAttribSize
[VERT_ATTRIB_MAX
];
2902 GLfloat CurrentAttrib
[VERT_ATTRIB_MAX
][4];
2904 GLubyte ActiveMaterialSize
[MAT_ATTRIB_MAX
];
2905 GLfloat CurrentMaterial
[MAT_ATTRIB_MAX
][4];
2907 GLubyte ActiveIndex
;
2908 GLfloat CurrentIndex
;
2910 GLubyte ActiveEdgeFlag
;
2911 GLboolean CurrentEdgeFlag
;
2916 * Mesa rendering context.
2918 * This is the central context data structure for Mesa. Almost all
2919 * OpenGL state is contained in this structure.
2920 * Think of this as a base class from which device drivers will derive
2923 * The GLcontext typedef names this structure.
2925 struct __GLcontextRec
2927 /** State possibly shared with other contexts in the address space */
2928 struct gl_shared_state
*Shared
;
2930 /** \name API function pointer tables */
2932 struct _glapi_table
*Save
; /**< Display list save functions */
2933 struct _glapi_table
*Exec
; /**< Execute functions */
2934 struct _glapi_table
*CurrentDispatch
; /**< == Save or Exec !! */
2938 GLframebuffer
*DrawBuffer
; /**< buffer for writing */
2939 GLframebuffer
*ReadBuffer
; /**< buffer for reading */
2940 GLframebuffer
*WinSysDrawBuffer
; /**< set with MakeCurrent */
2941 GLframebuffer
*WinSysReadBuffer
; /**< set with MakeCurrent */
2944 * Device driver function pointer table
2946 struct dd_function_table Driver
;
2948 void *DriverCtx
; /**< Points to device driver context/state */
2950 /** Core/Driver constants */
2951 struct gl_constants Const
;
2953 /** \name The various 4x4 matrix stacks */
2955 struct gl_matrix_stack ModelviewMatrixStack
;
2956 struct gl_matrix_stack ProjectionMatrixStack
;
2957 struct gl_matrix_stack ColorMatrixStack
;
2958 struct gl_matrix_stack TextureMatrixStack
[MAX_TEXTURE_COORD_UNITS
];
2959 struct gl_matrix_stack ProgramMatrixStack
[MAX_PROGRAM_MATRICES
];
2960 struct gl_matrix_stack
*CurrentStack
; /**< Points to one of the above stacks */
2963 /** Combined modelview and projection matrix */
2964 GLmatrix _ModelProjectMatrix
;
2966 /** \name Display lists */
2967 struct gl_dlist_state ListState
;
2969 GLboolean ExecuteFlag
; /**< Execute GL commands? */
2970 GLboolean CompileFlag
; /**< Compile GL commands into display list? */
2972 /** Extension information */
2973 struct gl_extensions Extensions
;
2975 /** \name State attribute stack (for glPush/PopAttrib) */
2977 GLuint AttribStackDepth
;
2978 struct gl_attrib_node
*AttribStack
[MAX_ATTRIB_STACK_DEPTH
];
2981 /** \name Renderer attribute groups
2983 * We define a struct for each attribute group to make pushing and popping
2984 * attributes easy. Also it's a good organization.
2987 struct gl_accum_attrib Accum
; /**< Accum buffer attributes */
2988 struct gl_colorbuffer_attrib Color
; /**< Color buffer attributes */
2989 struct gl_current_attrib Current
; /**< Current attributes */
2990 struct gl_depthbuffer_attrib Depth
; /**< Depth buffer attributes */
2991 struct gl_eval_attrib Eval
; /**< Eval attributes */
2992 struct gl_fog_attrib Fog
; /**< Fog attributes */
2993 struct gl_hint_attrib Hint
; /**< Hint attributes */
2994 struct gl_light_attrib Light
; /**< Light attributes */
2995 struct gl_line_attrib Line
; /**< Line attributes */
2996 struct gl_list_attrib List
; /**< List attributes */
2997 struct gl_multisample_attrib Multisample
;
2998 struct gl_pixel_attrib Pixel
; /**< Pixel attributes */
2999 struct gl_point_attrib Point
; /**< Point attributes */
3000 struct gl_polygon_attrib Polygon
; /**< Polygon attributes */
3001 GLuint PolygonStipple
[32]; /**< Polygon stipple */
3002 struct gl_scissor_attrib Scissor
; /**< Scissor attributes */
3003 struct gl_stencil_attrib Stencil
; /**< Stencil buffer attributes */
3004 struct gl_texture_attrib Texture
; /**< Texture attributes */
3005 struct gl_transform_attrib Transform
; /**< Transformation attributes */
3006 struct gl_viewport_attrib Viewport
; /**< Viewport attributes */
3009 /** \name Client attribute stack */
3011 GLuint ClientAttribStackDepth
;
3012 struct gl_attrib_node
*ClientAttribStack
[MAX_CLIENT_ATTRIB_STACK_DEPTH
];
3015 /** \name Client attribute groups */
3017 struct gl_array_attrib Array
; /**< Vertex arrays */
3018 struct gl_pixelstore_attrib Pack
; /**< Pixel packing */
3019 struct gl_pixelstore_attrib Unpack
; /**< Pixel unpacking */
3020 struct gl_pixelstore_attrib DefaultPacking
; /**< Default params */
3023 /** \name Other assorted state (not pushed/popped on attribute stack) */
3025 struct gl_pixelmaps PixelMaps
;
3026 struct gl_histogram_attrib Histogram
;
3027 struct gl_minmax_attrib MinMax
;
3028 struct gl_convolution_attrib Convolution1D
;
3029 struct gl_convolution_attrib Convolution2D
;
3030 struct gl_convolution_attrib Separable2D
;
3032 struct gl_evaluators EvalMap
; /**< All evaluators */
3033 struct gl_feedback Feedback
; /**< Feedback */
3034 struct gl_selection Select
; /**< Selection */
3036 struct gl_color_table ColorTable
[COLORTABLE_MAX
];
3037 struct gl_color_table ProxyColorTable
[COLORTABLE_MAX
];
3039 struct gl_color_table PostConvolutionColorTable
;
3040 struct gl_color_table ProxyPostConvolutionColorTable
;
3041 struct gl_color_table PostColorMatrixColorTable
;
3042 struct gl_color_table ProxyPostColorMatrixColorTable
;
3045 struct gl_program_state Program
; /**< for vertex or fragment progs */
3046 struct gl_vertex_program_state VertexProgram
; /**< GL_ARB/NV_vertex_program */
3047 struct gl_fragment_program_state FragmentProgram
; /**< GL_ARB/NV_vertex_program */
3048 struct gl_ati_fragment_shader_state ATIFragmentShader
; /**< GL_ATI_fragment_shader */
3050 struct gl_query_state Query
; /**< GL_ARB_occlusion_query */
3052 struct gl_shader_state Shader
; /**< GLSL shader object state */
3055 #if FEATURE_EXT_framebuffer_object
3056 struct gl_renderbuffer
*CurrentRenderbuffer
;
3059 GLenum ErrorValue
; /**< Last error code */
3060 GLenum RenderMode
; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
3061 GLbitfield NewState
; /**< bitwise-or of _NEW_* flags */
3063 /** \name Derived state */
3065 GLbitfield _TriangleCaps
; /**< bitwise-or of DD_* flags */
3066 GLbitfield _ImageTransferState
;/**< bitwise-or of IMAGE_*_BIT flags */
3067 GLfloat _EyeZDir
[3];
3068 GLfloat _ModelViewInvScale
;
3069 GLboolean _NeedEyeCoords
;
3070 GLboolean _ForceEyeCoords
;
3071 GLenum _CurrentProgram
; /* currently executing program */
3073 GLuint TextureStateTimestamp
; /* detect changes to shared state */
3075 struct gl_shine_tab
*_ShineTable
[2]; /**< Active shine tables */
3076 struct gl_shine_tab
*_ShineTabList
; /**< MRU list of inactive shine tables */
3079 struct gl_list_extensions ListExt
; /**< driver dlist extensions */
3082 GLuint _Facing
; /**< This is a hack for 2-sided stencil test.
3084 * We don't have a better way to communicate this value from
3085 * swrast_setup to swrast. */
3087 /** \name For debugging/development only */
3089 GLboolean FirstTimeCurrent
;
3092 /** Dither disable via MESA_NO_DITHER env var */
3095 /** software compression/decompression supported or not */
3096 GLboolean Mesa_DXTn
;
3098 /** Core tnl module support */
3099 struct gl_tnl_module TnlModule
;
3102 * \name Hooks for module contexts.
3104 * These will eventually live in the driver or elsewhere.
3107 void *swrast_context
;
3108 void *swsetup_context
;
3109 void *swtnl_context
;
3111 struct st_context
*st
;
3117 /** The string names for GL_POINT, GL_LINE_LOOP, etc */
3118 extern const char *_mesa_prim_name
[GL_POLYGON
+4];
3122 extern int MESA_VERBOSE
;
3123 extern int MESA_DEBUG_FLAGS
;
3124 # define MESA_FUNCTION __FUNCTION__
3126 # define MESA_VERBOSE 0
3127 # define MESA_DEBUG_FLAGS 0
3128 # define MESA_FUNCTION "a function"
3137 VERBOSE_VARRAY
= 0x0001,
3138 VERBOSE_TEXTURE
= 0x0002,
3139 VERBOSE_IMMEDIATE
= 0x0004,
3140 VERBOSE_PIPELINE
= 0x0008,
3141 VERBOSE_DRIVER
= 0x0010,
3142 VERBOSE_STATE
= 0x0020,
3143 VERBOSE_API
= 0x0040,
3144 VERBOSE_DISPLAY_LIST
= 0x0100,
3145 VERBOSE_LIGHTING
= 0x0200,
3146 VERBOSE_PRIMS
= 0x0400,
3147 VERBOSE_VERTS
= 0x0800,
3148 VERBOSE_DISASSEM
= 0x1000
3154 DEBUG_ALWAYS_FLUSH
= 0x1
3159 #define Elements(x) sizeof(x)/sizeof(*(x))
3162 #endif /* TYPES_H */