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 _Enabled
; /**< true if Enabled and multisample buffer */
965 GLboolean SampleAlphaToCoverage
;
966 GLboolean SampleAlphaToOne
;
967 GLboolean SampleCoverage
;
968 GLfloat SampleCoverageValue
;
969 GLboolean SampleCoverageInvert
;
974 * A pixelmap (see glPixelMap)
979 GLfloat Map
[MAX_PIXEL_MAP_TABLE
];
980 GLubyte Map8
[MAX_PIXEL_MAP_TABLE
]; /**< converted to 8-bit color */
985 * Collection of all pixelmaps
989 struct gl_pixelmap RtoR
; /**< i.e. GL_PIXEL_MAP_R_TO_R */
990 struct gl_pixelmap GtoG
;
991 struct gl_pixelmap BtoB
;
992 struct gl_pixelmap AtoA
;
993 struct gl_pixelmap ItoR
;
994 struct gl_pixelmap ItoG
;
995 struct gl_pixelmap ItoB
;
996 struct gl_pixelmap ItoA
;
997 struct gl_pixelmap ItoI
;
998 struct gl_pixelmap StoS
;
1003 * Pixel attribute group (GL_PIXEL_MODE_BIT).
1005 struct gl_pixel_attrib
1007 GLenum ReadBuffer
; /**< source buffer for glRead/CopyPixels() */
1009 /*--- Begin Pixel Transfer State ---*/
1010 /* Fields are in the order in which they're applied... */
1012 /* Scale & Bias (index shift, offset) */
1013 GLfloat RedBias
, RedScale
;
1014 GLfloat GreenBias
, GreenScale
;
1015 GLfloat BlueBias
, BlueScale
;
1016 GLfloat AlphaBias
, AlphaScale
;
1017 GLfloat DepthBias
, DepthScale
;
1018 GLint IndexShift
, IndexOffset
;
1021 /* Note: actual pixel maps are not part of this attrib group */
1022 GLboolean MapColorFlag
;
1023 GLboolean MapStencilFlag
;
1025 /* There are multiple color table stages: */
1026 GLboolean ColorTableEnabled
[COLORTABLE_MAX
];
1027 GLfloat ColorTableScale
[COLORTABLE_MAX
][4]; /**< RGBA */
1028 GLfloat ColorTableBias
[COLORTABLE_MAX
][4]; /**< RGBA */
1030 /* Convolution (GL_EXT_convolution) */
1031 GLboolean Convolution1DEnabled
;
1032 GLboolean Convolution2DEnabled
;
1033 GLboolean Separable2DEnabled
;
1034 GLfloat ConvolutionBorderColor
[3][4];
1035 GLenum ConvolutionBorderMode
[3];
1036 GLfloat ConvolutionFilterScale
[3][4]; /**< RGBA */
1037 GLfloat ConvolutionFilterBias
[3][4]; /**< RGBA */
1038 GLfloat PostConvolutionScale
[4]; /**< RGBA */
1039 GLfloat PostConvolutionBias
[4]; /**< RGBA */
1041 /* Color matrix (GL_SGI_color_matrix) */
1042 /* Note: the color matrix is not part of this attrib group */
1043 GLfloat PostColorMatrixScale
[4]; /**< RGBA */
1044 GLfloat PostColorMatrixBias
[4]; /**< RGBA */
1046 /* Histogram & minmax (GL_EXT_histogram) */
1047 /* Note: histogram and minmax data are not part of this attrib group */
1048 GLboolean HistogramEnabled
;
1049 GLboolean MinMaxEnabled
;
1051 /*--- End Pixel Transfer State ---*/
1054 GLfloat ZoomX
, ZoomY
;
1056 /** GL_SGI_texture_color_table */
1057 GLfloat TextureColorTableScale
[4];
1058 GLfloat TextureColorTableBias
[4];
1063 * Point attribute group (GL_POINT_BIT).
1065 struct gl_point_attrib
1067 GLboolean SmoothFlag
; /**< True if GL_POINT_SMOOTH is enabled */
1068 GLfloat Size
; /**< User-specified point size */
1069 GLfloat Params
[3]; /**< GL_EXT_point_parameters */
1070 GLfloat MinSize
, MaxSize
; /**< GL_EXT_point_parameters */
1071 GLfloat Threshold
; /**< GL_EXT_point_parameters */
1072 GLboolean _Attenuated
; /**< True if Params != [1, 0, 0] */
1073 GLboolean PointSprite
; /**< GL_NV/ARB_point_sprite */
1074 GLboolean CoordReplace
[MAX_TEXTURE_COORD_UNITS
]; /**< GL_ARB_point_sprite */
1075 GLenum SpriteRMode
; /**< GL_NV_point_sprite (only!) */
1076 GLenum SpriteOrigin
; /**< GL_ARB_point_sprite */
1081 * Polygon attribute group (GL_POLYGON_BIT).
1083 struct gl_polygon_attrib
1085 GLenum FrontFace
; /**< Either GL_CW or GL_CCW */
1086 GLenum FrontMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1087 GLenum BackMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1088 GLboolean _FrontBit
; /**< 0=GL_CCW, 1=GL_CW */
1089 GLboolean CullFlag
; /**< Culling on/off flag */
1090 GLboolean SmoothFlag
; /**< True if GL_POLYGON_SMOOTH is enabled */
1091 GLboolean StippleFlag
; /**< True if GL_POLYGON_STIPPLE is enabled */
1092 GLenum CullFaceMode
; /**< Culling mode GL_FRONT or GL_BACK */
1093 GLfloat OffsetFactor
; /**< Polygon offset factor, from user */
1094 GLfloat OffsetUnits
; /**< Polygon offset units, from user */
1095 GLboolean OffsetPoint
; /**< Offset in GL_POINT mode */
1096 GLboolean OffsetLine
; /**< Offset in GL_LINE mode */
1097 GLboolean OffsetFill
; /**< Offset in GL_FILL mode */
1102 * Scissor attributes (GL_SCISSOR_BIT).
1104 struct gl_scissor_attrib
1106 GLboolean Enabled
; /**< Scissor test enabled? */
1107 GLint X
, Y
; /**< Lower left corner of box */
1108 GLsizei Width
, Height
; /**< Size of box */
1113 * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
1115 struct gl_stencil_attrib
1117 GLboolean Enabled
; /**< Enabled flag */
1118 GLboolean TestTwoSide
; /**< GL_EXT_stencil_two_side */
1119 GLubyte ActiveFace
; /**< GL_EXT_stencil_two_side (0 or 1) */
1120 GLboolean _TestTwoSide
;
1121 GLenum Function
[2]; /**< Stencil function */
1122 GLenum FailFunc
[2]; /**< Fail function */
1123 GLenum ZPassFunc
[2]; /**< Depth buffer pass function */
1124 GLenum ZFailFunc
[2]; /**< Depth buffer fail function */
1125 GLint Ref
[2]; /**< Reference value */
1126 GLuint ValueMask
[2]; /**< Value mask */
1127 GLuint WriteMask
[2]; /**< Write mask */
1128 GLuint Clear
; /**< Clear value */
1132 #define NUM_TEXTURE_TARGETS 7 /* 1D, 2D, 3D, CUBE, RECT, 1D_STACK, and 2D_STACK */
1135 * An index for each type of texture object
1138 #define TEXTURE_1D_INDEX 0
1139 #define TEXTURE_2D_INDEX 1
1140 #define TEXTURE_3D_INDEX 2
1141 #define TEXTURE_CUBE_INDEX 3
1142 #define TEXTURE_RECT_INDEX 4
1143 #define TEXTURE_1D_ARRAY_INDEX 5
1144 #define TEXTURE_2D_ARRAY_INDEX 6
1148 * Bit flags for each type of texture object
1149 * Used for Texture.Unit[]._ReallyEnabled flags.
1152 #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
1153 #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
1154 #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
1155 #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
1156 #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
1157 #define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
1158 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
1163 * TexGenEnabled flags.
1174 * Bit flag versions of the corresponding GL_ constants.
1177 #define TEXGEN_SPHERE_MAP 0x1
1178 #define TEXGEN_OBJ_LINEAR 0x2
1179 #define TEXGEN_EYE_LINEAR 0x4
1180 #define TEXGEN_REFLECTION_MAP_NV 0x8
1181 #define TEXGEN_NORMAL_MAP_NV 0x10
1183 #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
1184 TEXGEN_REFLECTION_MAP_NV | \
1185 TEXGEN_NORMAL_MAP_NV)
1186 #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
1187 TEXGEN_REFLECTION_MAP_NV | \
1188 TEXGEN_NORMAL_MAP_NV | \
1193 /* A selection of state flags to make driver and module's lives easier. */
1194 #define ENABLE_TEXGEN0 0x1
1195 #define ENABLE_TEXGEN1 0x2
1196 #define ENABLE_TEXGEN2 0x4
1197 #define ENABLE_TEXGEN3 0x8
1198 #define ENABLE_TEXGEN4 0x10
1199 #define ENABLE_TEXGEN5 0x20
1200 #define ENABLE_TEXGEN6 0x40
1201 #define ENABLE_TEXGEN7 0x80
1203 #define ENABLE_TEXMAT0 0x1 /* Ie. not the identity matrix */
1204 #define ENABLE_TEXMAT1 0x2
1205 #define ENABLE_TEXMAT2 0x4
1206 #define ENABLE_TEXMAT3 0x8
1207 #define ENABLE_TEXMAT4 0x10
1208 #define ENABLE_TEXMAT5 0x20
1209 #define ENABLE_TEXMAT6 0x40
1210 #define ENABLE_TEXMAT7 0x80
1212 #define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i))
1213 #define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i))
1217 * Texel fetch function prototype. We use texel fetch functions to
1218 * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
1219 * texture images. These functions help to isolate us from the gritty
1220 * details of all the various texture image encodings.
1222 * \param texImage texture image.
1223 * \param col texel column.
1224 * \param row texel row.
1225 * \param img texel image level/layer.
1226 * \param texelOut output texel (up to 4 GLchans)
1228 typedef void (*FetchTexelFuncC
)( const struct gl_texture_image
*texImage
,
1229 GLint col
, GLint row
, GLint img
,
1233 * As above, but returns floats.
1234 * Used for depth component images and for upcoming signed/float
1237 typedef void (*FetchTexelFuncF
)( const struct gl_texture_image
*texImage
,
1238 GLint col
, GLint row
, GLint img
,
1239 GLfloat
*texelOut
);
1242 typedef void (*StoreTexelFunc
)(struct gl_texture_image
*texImage
,
1243 GLint col
, GLint row
, GLint img
,
1248 * This macro defines the (many) parameters to the texstore functions.
1249 * \param dims either 1 or 2 or 3
1250 * \param baseInternalFormat user-specified base internal format
1251 * \param dstFormat destination Mesa texture format
1252 * \param dstAddr destination image address
1253 * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
1254 * \param dstRowStride destination image row stride, in bytes
1255 * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
1256 * \param srcWidth/Height/Depth source image size, in pixels
1257 * \param srcFormat incoming image format
1258 * \param srcType incoming image data type
1259 * \param srcAddr source image address
1260 * \param srcPacking source image packing parameters
1262 #define TEXSTORE_PARAMS \
1263 GLcontext *ctx, GLuint dims, \
1264 GLenum baseInternalFormat, \
1265 const struct gl_texture_format *dstFormat, \
1267 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
1268 GLint dstRowStride, const GLuint *dstImageOffsets, \
1269 GLint srcWidth, GLint srcHeight, GLint srcDepth, \
1270 GLenum srcFormat, GLenum srcType, \
1271 const GLvoid *srcAddr, \
1272 const struct gl_pixelstore_attrib *srcPacking
1277 * Texture image storage function.
1279 typedef GLboolean (*StoreTexImageFunc
)(TEXSTORE_PARAMS
);
1283 * Texture format record
1285 struct gl_texture_format
1287 GLint MesaFormat
; /**< One of the MESA_FORMAT_* values */
1289 GLenum BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1290 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1291 * GL_INTENSITY, GL_COLOR_INDEX or
1292 * GL_DEPTH_COMPONENT.
1294 GLenum DataType
; /**< GL_FLOAT or GL_UNSIGNED_NORMALIZED_ARB */
1297 * Bits per texel component. These are just rough approximations
1298 * for compressed texture formats.
1305 GLubyte LuminanceBits
;
1306 GLubyte IntensityBits
;
1309 GLubyte StencilBits
; /**< GL_EXT_packed_depth_stencil */
1312 GLuint TexelBytes
; /**< Bytes per texel, 0 if compressed format */
1314 StoreTexImageFunc StoreImage
;
1317 * \name Texel fetch function pointers
1320 FetchTexelFuncC FetchTexel1D
;
1321 FetchTexelFuncC FetchTexel2D
;
1322 FetchTexelFuncC FetchTexel3D
;
1323 FetchTexelFuncF FetchTexel1Df
;
1324 FetchTexelFuncF FetchTexel2Df
;
1325 FetchTexelFuncF FetchTexel3Df
;
1328 StoreTexelFunc StoreTexel
;
1333 * Texture image state. Describes the dimensions of a texture image,
1334 * the texel format and pointers to Texel Fetch functions.
1336 struct gl_texture_image
1338 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1339 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1340 * GL_INTENSITY, GL_COLOR_INDEX,
1341 * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
1342 * only. Used for choosing TexEnv arithmetic.
1344 GLint InternalFormat
; /**< Internal format as given by the user */
1345 GLuint Border
; /**< 0 or 1 */
1346 GLuint Width
; /**< = 2^WidthLog2 + 2*Border */
1347 GLuint Height
; /**< = 2^HeightLog2 + 2*Border */
1348 GLuint Depth
; /**< = 2^DepthLog2 + 2*Border */
1349 GLuint Width2
; /**< = Width - 2*Border */
1350 GLuint Height2
; /**< = Height - 2*Border */
1351 GLuint Depth2
; /**< = Depth - 2*Border */
1352 GLuint WidthLog2
; /**< = log2(Width2) */
1353 GLuint HeightLog2
; /**< = log2(Height2) */
1354 GLuint DepthLog2
; /**< = log2(Depth2) */
1355 GLuint MaxLog2
; /**< = MAX(WidthLog2, HeightLog2) */
1356 GLfloat WidthScale
; /**< used for mipmap LOD computation */
1357 GLfloat HeightScale
; /**< used for mipmap LOD computation */
1358 GLfloat DepthScale
; /**< used for mipmap LOD computation */
1359 GLboolean IsClientData
; /**< Data owned by client? */
1360 GLboolean _IsPowerOfTwo
; /**< Are all dimensions powers of two? */
1362 const struct gl_texture_format
*TexFormat
;
1364 struct gl_texture_object
*TexObject
; /**< Pointer back to parent object */
1366 FetchTexelFuncC FetchTexelc
; /**< GLchan texel fetch function pointer */
1367 FetchTexelFuncF FetchTexelf
; /**< Float texel fetch function pointer */
1369 GLboolean IsCompressed
; /**< GL_ARB_texture_compression */
1370 GLuint CompressedSize
; /**< GL_ARB_texture_compression */
1372 GLuint RowStride
; /**< Padded width in units of texels */
1373 GLuint
*ImageOffsets
; /**< if 3D texture: array [Depth] of offsets to
1374 each 2D slice in 'Data', in texels */
1375 GLvoid
*Data
; /**< Image data, accessed via FetchTexel() */
1378 * \name For device driver:
1381 void *DriverData
; /**< Arbitrary device driver data */
1387 * Indexes for cube map faces.
1390 #define FACE_POS_X 0
1391 #define FACE_NEG_X 1
1392 #define FACE_POS_Y 2
1393 #define FACE_NEG_Y 3
1394 #define FACE_POS_Z 4
1395 #define FACE_NEG_Z 5
1401 * Texture object state. Contains the array of mipmap images, border color,
1402 * wrap modes, filter modes, shadow/texcompare state, and the per-texture
1405 struct gl_texture_object
1407 _glthread_Mutex Mutex
; /**< for thread safety */
1408 GLint RefCount
; /**< reference count */
1409 GLuint Name
; /**< the user-visible texture object ID */
1410 GLenum Target
; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
1411 GLfloat Priority
; /**< in [0,1] */
1412 GLfloat BorderColor
[4]; /**< unclamped */
1413 GLchan _BorderChan
[4]; /**< clamped, as GLchan */
1414 GLenum WrapS
; /**< S-axis texture image wrap mode */
1415 GLenum WrapT
; /**< T-axis texture image wrap mode */
1416 GLenum WrapR
; /**< R-axis texture image wrap mode */
1417 GLenum MinFilter
; /**< minification filter */
1418 GLenum MagFilter
; /**< magnification filter */
1419 GLfloat MinLod
; /**< min lambda, OpenGL 1.2 */
1420 GLfloat MaxLod
; /**< max lambda, OpenGL 1.2 */
1421 GLfloat LodBias
; /**< OpenGL 1.4 */
1422 GLint BaseLevel
; /**< min mipmap level, OpenGL 1.2 */
1423 GLint MaxLevel
; /**< max mipmap level, OpenGL 1.2 */
1424 GLfloat MaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
1425 GLboolean CompareFlag
; /**< GL_SGIX_shadow */
1426 GLenum CompareOperator
; /**< GL_SGIX_shadow */
1427 GLfloat ShadowAmbient
; /**< GL_ARB_shadow_ambient */
1428 GLenum CompareMode
; /**< GL_ARB_shadow */
1429 GLenum CompareFunc
; /**< GL_ARB_shadow */
1430 GLenum _Function
; /**< Comparison function derived from
1431 * \c CompareOperator, \c CompareMode, and
1434 GLenum DepthMode
; /**< GL_ARB_depth_texture */
1435 GLint _MaxLevel
; /**< actual max mipmap level (q in the spec) */
1436 GLfloat _MaxLambda
; /**< = _MaxLevel - BaseLevel (q - b in spec) */
1437 GLint CropRect
[4]; /**< GL_OES_draw_texture */
1438 GLboolean GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
1439 GLboolean _Complete
; /**< Is texture object complete? */
1441 /** Actual texture images, indexed by [cube face] and [mipmap level] */
1442 struct gl_texture_image
*Image
[MAX_FACES
][MAX_TEXTURE_LEVELS
];
1444 /** GL_EXT_paletted_texture */
1445 struct gl_color_table Palette
;
1448 * \name For device driver.
1449 * Note: instead of attaching driver data to this pointer, it's preferable
1450 * to instead use this struct as a base class for your own texture object
1451 * class. Driver->NewTextureObject() can be used to implement the
1454 void *DriverData
; /**< Arbitrary device driver data */
1459 * Texture combine environment state.
1462 * If GL_NV_texture_env_combine4 is ever supported, the arrays in this
1463 * structure will need to be expanded for 4 elements.
1465 struct gl_tex_env_combine_state
1467 GLenum ModeRGB
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1468 GLenum ModeA
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1469 GLenum SourceRGB
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1470 GLenum SourceA
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1471 GLenum OperandRGB
[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
1472 GLenum OperandA
[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
1473 GLuint ScaleShiftRGB
; /**< 0, 1 or 2 */
1474 GLuint ScaleShiftA
; /**< 0, 1 or 2 */
1475 GLuint _NumArgsRGB
; /**< Number of inputs used for the combine mode. */
1476 GLuint _NumArgsA
; /**< Number of inputs used for the combine mode. */
1481 * Texture unit state. Contains enable flags, texture environment/function/
1482 * combiners, texgen state, pointers to current texture objects and
1483 * post-filter color tables.
1485 struct gl_texture_unit
1487 GLbitfield Enabled
; /**< bitmask of TEXTURE_*_BIT flags */
1488 GLbitfield _ReallyEnabled
; /**< 0 or exactly one of TEXTURE_*_BIT flags */
1490 GLenum EnvMode
; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
1491 GLfloat EnvColor
[4];
1492 GLbitfield TexGenEnabled
; /**< Bitwise-OR of [STRQ]_BIT values */
1493 /** \name Tex coord generation mode
1494 * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */
1501 GLbitfield _GenBitS
;
1502 GLbitfield _GenBitT
;
1503 GLbitfield _GenBitR
;
1504 GLbitfield _GenBitQ
;
1505 GLbitfield _GenFlags
; /**< bitwise or of _GenBit[STRQ] */
1506 GLfloat ObjectPlaneS
[4];
1507 GLfloat ObjectPlaneT
[4];
1508 GLfloat ObjectPlaneR
[4];
1509 GLfloat ObjectPlaneQ
[4];
1510 GLfloat EyePlaneS
[4];
1511 GLfloat EyePlaneT
[4];
1512 GLfloat EyePlaneR
[4];
1513 GLfloat EyePlaneQ
[4];
1514 GLfloat LodBias
; /**< for biasing mipmap levels */
1517 * \name GL_EXT_texture_env_combine
1519 struct gl_tex_env_combine_state Combine
;
1522 * Derived state based on \c EnvMode and the \c BaseFormat of the
1523 * currently enabled texture.
1525 struct gl_tex_env_combine_state _EnvMode
;
1528 * Currently enabled combiner state. This will point to either
1529 * \c Combine or \c _EnvMode.
1531 struct gl_tex_env_combine_state
*_CurrentCombine
;
1533 struct gl_texture_object
*Current1D
;
1534 struct gl_texture_object
*Current2D
;
1535 struct gl_texture_object
*Current3D
;
1536 struct gl_texture_object
*CurrentCubeMap
; /**< GL_ARB_texture_cube_map */
1537 struct gl_texture_object
*CurrentRect
; /**< GL_NV_texture_rectangle */
1538 struct gl_texture_object
*Current1DArray
; /**< GL_MESA_texture_array */
1539 struct gl_texture_object
*Current2DArray
; /**< GL_MESA_texture_array */
1541 struct gl_texture_object
*_Current
; /**< Points to really enabled tex obj */
1543 /** GL_SGI_texture_color_table */
1545 struct gl_color_table ColorTable
;
1546 struct gl_color_table ProxyColorTable
;
1547 GLboolean ColorTableEnabled
;
1554 * Texture attribute group (GL_TEXTURE_BIT).
1556 struct gl_texture_attrib
1562 GLuint CurrentUnit
; /**< Active texture unit */
1563 GLbitfield _EnabledUnits
; /**< one bit set for each really-enabled unit */
1564 GLbitfield _EnabledCoordUnits
; /**< one bit per enabled coordinate unit */
1565 GLbitfield _GenFlags
; /**< for texgen */
1566 GLbitfield _TexGenEnabled
;
1567 GLbitfield _TexMatEnabled
;
1570 struct gl_texture_unit Unit
[MAX_TEXTURE_UNITS
];
1572 struct gl_texture_object
*ProxyTex
[NUM_TEXTURE_TARGETS
];
1574 /** GL_EXT_shared_texture_palette */
1575 GLboolean SharedPalette
;
1576 struct gl_color_table Palette
;
1581 * Transformation attribute group (GL_TRANSFORM_BIT).
1583 struct gl_transform_attrib
1585 GLenum MatrixMode
; /**< Matrix mode */
1586 GLfloat EyeUserPlane
[MAX_CLIP_PLANES
][4]; /**< User clip planes */
1587 GLfloat _ClipUserPlane
[MAX_CLIP_PLANES
][4]; /**< derived */
1588 GLbitfield ClipPlanesEnabled
; /**< on/off bitmask */
1589 GLboolean Normalize
; /**< Normalize all normals? */
1590 GLboolean RescaleNormals
; /**< GL_EXT_rescale_normal */
1591 GLboolean RasterPositionUnclipped
; /**< GL_IBM_rasterpos_clip */
1593 GLboolean CullVertexFlag
; /**< True if GL_CULL_VERTEX_EXT is enabled */
1594 GLfloat CullEyePos
[4];
1595 GLfloat CullObjPos
[4];
1600 * Viewport attribute group (GL_VIEWPORT_BIT).
1602 struct gl_viewport_attrib
1604 GLint X
, Y
; /**< position */
1605 GLsizei Width
, Height
; /**< size */
1606 GLfloat Near
, Far
; /**< Depth buffer range */
1607 GLmatrix _WindowMap
; /**< Mapping transformation as a matrix. */
1612 * Node for the attribute stack.
1614 struct gl_attrib_node
1618 struct gl_attrib_node
*next
;
1623 * GL_ARB_vertex/pixel_buffer_object buffer object
1625 struct gl_buffer_object
1631 GLvoid
*Pointer
; /**< Only valid while buffer is mapped */
1632 GLsizeiptrARB Size
; /**< Size of storage in bytes */
1633 GLubyte
*Data
; /**< Location of storage either in RAM or VRAM. */
1634 GLboolean OnCard
; /**< Is buffer in VRAM? (hardware drivers) */
1640 * Client pixel packing/unpacking attributes
1642 struct gl_pixelstore_attrib
1648 GLint ImageHeight
; /**< for GL_EXT_texture3D */
1649 GLint SkipImages
; /**< for GL_EXT_texture3D */
1650 GLboolean SwapBytes
;
1652 GLboolean ClientStorage
; /**< GL_APPLE_client_storage */
1653 GLboolean Invert
; /**< GL_MESA_pack_invert */
1654 struct gl_buffer_object
*BufferObj
; /**< GL_ARB_pixel_buffer_object */
1660 * Client vertex array attributes
1662 struct gl_client_array
1664 GLint Size
; /**< components per element (1,2,3,4) */
1665 GLenum Type
; /**< datatype: GL_FLOAT, GL_INT, etc */
1666 GLsizei Stride
; /**< user-specified stride */
1667 GLsizei StrideB
; /**< actual stride in bytes */
1668 const GLubyte
*Ptr
; /**< Points to array data */
1669 GLboolean Enabled
; /**< Enabled flag is a boolean */
1670 GLboolean Normalized
; /**< GL_ARB_vertex_program */
1672 /**< GL_ARB_vertex_buffer_object */
1673 struct gl_buffer_object
*BufferObj
;
1679 * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
1680 * extension, but a nice encapsulation in any case.
1682 struct gl_array_object
1684 /** Name of the array object as received from glGenVertexArrayAPPLE. */
1687 /** Conventional vertex arrays */
1689 struct gl_client_array Vertex
;
1690 struct gl_client_array Normal
;
1691 struct gl_client_array Color
;
1692 struct gl_client_array SecondaryColor
;
1693 struct gl_client_array FogCoord
;
1694 struct gl_client_array Index
;
1695 struct gl_client_array EdgeFlag
;
1696 struct gl_client_array TexCoord
[MAX_TEXTURE_COORD_UNITS
];
1697 struct gl_client_array PointSize
;
1700 /** Generic arrays for vertex programs/shaders */
1701 struct gl_client_array VertexAttrib
[VERT_ATTRIB_MAX
];
1703 /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
1704 GLbitfield _Enabled
;
1709 * Vertex array state
1711 struct gl_array_attrib
1713 struct gl_array_object
*ArrayObj
;
1714 struct gl_array_object
*DefaultArrayObj
;
1716 GLint ActiveTexture
; /**< Client Active Texture */
1717 GLuint LockFirst
; /**< GL_EXT_compiled_vertex_array */
1718 GLuint LockCount
; /**< GL_EXT_compiled_vertex_array */
1720 GLbitfield NewState
; /**< mask of _NEW_ARRAY_* values */
1722 #if FEATURE_ARB_vertex_buffer_object
1723 struct gl_buffer_object
*NullBufferObj
;
1724 struct gl_buffer_object
*ArrayBufferObj
;
1725 struct gl_buffer_object
*ElementArrayBufferObj
;
1727 GLuint _MaxElement
; /* Min of all enabled array's maxes */
1732 * Feedback buffer state
1737 GLbitfield _Mask
; /* FB_* bits */
1745 * Selection buffer state
1749 GLuint
*Buffer
; /**< selection buffer */
1750 GLuint BufferSize
; /**< size of the selection buffer */
1751 GLuint BufferCount
; /**< number of values in the selection buffer */
1752 GLuint Hits
; /**< number of records in the selection buffer */
1753 GLuint NameStackDepth
; /**< name stack depth */
1754 GLuint NameStack
[MAX_NAME_STACK_DEPTH
]; /**< name stack */
1755 GLboolean HitFlag
; /**< hit flag */
1756 GLfloat HitMinZ
; /**< minimum hit depth */
1757 GLfloat HitMaxZ
; /**< maximum hit depth */
1762 * 1-D Evaluator control points
1766 GLuint Order
; /**< Number of control points */
1767 GLfloat u1
, u2
, du
; /**< u1, u2, 1.0/(u2-u1) */
1768 GLfloat
*Points
; /**< Points to contiguous control points */
1773 * 2-D Evaluator control points
1777 GLuint Uorder
; /**< Number of control points in U dimension */
1778 GLuint Vorder
; /**< Number of control points in V dimension */
1781 GLfloat
*Points
; /**< Points to contiguous control points */
1786 * All evaluator control point state
1788 struct gl_evaluators
1794 struct gl_1d_map Map1Vertex3
;
1795 struct gl_1d_map Map1Vertex4
;
1796 struct gl_1d_map Map1Index
;
1797 struct gl_1d_map Map1Color4
;
1798 struct gl_1d_map Map1Normal
;
1799 struct gl_1d_map Map1Texture1
;
1800 struct gl_1d_map Map1Texture2
;
1801 struct gl_1d_map Map1Texture3
;
1802 struct gl_1d_map Map1Texture4
;
1803 struct gl_1d_map Map1Attrib
[16]; /**< GL_NV_vertex_program */
1810 struct gl_2d_map Map2Vertex3
;
1811 struct gl_2d_map Map2Vertex4
;
1812 struct gl_2d_map Map2Index
;
1813 struct gl_2d_map Map2Color4
;
1814 struct gl_2d_map Map2Normal
;
1815 struct gl_2d_map Map2Texture1
;
1816 struct gl_2d_map Map2Texture2
;
1817 struct gl_2d_map Map2Texture3
;
1818 struct gl_2d_map Map2Texture4
;
1819 struct gl_2d_map Map2Attrib
[16]; /**< GL_NV_vertex_program */
1825 * Names of the various vertex/fragment program register files, etc.
1827 * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
1828 * All values should fit in a 4-bit field.
1830 * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
1831 * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
1832 * be "uniform" variables since they can only be set outside glBegin/End.
1833 * They're also all stored in the same Parameters array.
1837 PROGRAM_TEMPORARY
= 0, /**< machine->Temporary[] */
1838 PROGRAM_LOCAL_PARAM
= 1, /**< gl_program->LocalParams[] */
1839 PROGRAM_ENV_PARAM
= 2, /**< gl_program->Parameters[] */
1840 PROGRAM_STATE_VAR
= 3, /**< gl_program->Parameters[] */
1841 PROGRAM_INPUT
= 4, /**< machine->Inputs[] */
1842 PROGRAM_OUTPUT
= 5, /**< machine->Outputs[] */
1843 PROGRAM_NAMED_PARAM
= 6, /**< gl_program->Parameters[] */
1844 PROGRAM_CONSTANT
= 7, /**< gl_program->Parameters[] */
1845 PROGRAM_UNIFORM
= 8, /**< gl_program->Parameters[] */
1846 PROGRAM_VARYING
= 9, /**< machine->Inputs[]/Outputs[] */
1847 PROGRAM_WRITE_ONLY
= 10, /**< A dummy, write-only register */
1848 PROGRAM_ADDRESS
= 11, /**< machine->AddressReg */
1849 PROGRAM_SAMPLER
= 12, /**< for shader samplers, compile-time only */
1850 PROGRAM_UNDEFINED
= 13, /**< Invalid value */
1855 /** Vertex and fragment instructions */
1856 struct prog_instruction
;
1857 struct gl_program_parameter_list
;
1858 struct gl_uniform_list
;
1862 * Base class for any kind of program object
1867 GLubyte
*String
; /**< Null-terminated program text */
1869 GLenum Target
; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
1870 GLenum Format
; /**< String encoding format */
1873 struct prog_instruction
*Instructions
;
1875 GLbitfield InputsRead
; /**< Bitmask of which input regs are read */
1876 GLbitfield OutputsWritten
; /**< Bitmask of which output regs are written to */
1877 GLbitfield TexturesUsed
[MAX_TEXTURE_IMAGE_UNITS
]; /**< TEXTURE_x_BIT bitmask */
1878 GLbitfield SamplersUsed
; /**< Bitfield of which samplers are used */
1879 GLbitfield ShadowSamplers
; /**< Texture units used for shadow sampling. */
1881 /** Named parameters, constants, etc. from program text */
1882 struct gl_program_parameter_list
*Parameters
;
1883 /** Numbered local parameters */
1884 GLfloat LocalParams
[MAX_PROGRAM_LOCAL_PARAMS
][4];
1886 /** Vertex/fragment shader varying vars */
1887 struct gl_program_parameter_list
*Varying
;
1888 /** Vertex program user-defined attributes */
1889 struct gl_program_parameter_list
*Attributes
;
1891 /** Map from sampler unit to texture unit (set by glUniform1i()) */
1892 GLubyte SamplerUnits
[MAX_SAMPLERS
];
1893 /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
1894 GLubyte SamplerTargets
[MAX_SAMPLERS
];
1896 /** Logical counts */
1898 GLuint NumInstructions
;
1899 GLuint NumTemporaries
;
1900 GLuint NumParameters
;
1901 GLuint NumAttributes
;
1902 GLuint NumAddressRegs
;
1903 GLuint NumAluInstructions
;
1904 GLuint NumTexInstructions
;
1905 GLuint NumTexIndirections
;
1907 /** Native, actual h/w counts */
1909 GLuint NumNativeInstructions
;
1910 GLuint NumNativeTemporaries
;
1911 GLuint NumNativeParameters
;
1912 GLuint NumNativeAttributes
;
1913 GLuint NumNativeAddressRegs
;
1914 GLuint NumNativeAluInstructions
;
1915 GLuint NumNativeTexInstructions
;
1916 GLuint NumNativeTexIndirections
;
1921 /** Vertex program object */
1922 struct gl_vertex_program
1924 struct gl_program Base
; /**< base class */
1925 GLboolean IsNVProgram
; /**< is this a GL_NV_vertex_program program? */
1926 GLboolean IsPositionInvariant
;
1927 void *TnlData
; /**< should probably use Base.DriverData */
1931 /** Fragment program object */
1932 struct gl_fragment_program
1934 struct gl_program Base
; /**< base class */
1936 GLboolean UsesKill
; /**< shader uses KIL instruction */
1937 GLboolean UsesPointCoord
; /**< shader uses gl_PointCoord */
1938 GLboolean UsesFrontFacing
; /**< shader used gl_FrontFacing */
1939 GLboolean UsesFogFragCoord
; /**< shader used gl_FogFragCoord */
1944 * State common to vertex and fragment programs.
1946 struct gl_program_state
1948 GLint ErrorPos
; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
1949 const char *ErrorString
; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
1954 * Context state for vertex programs.
1956 struct gl_vertex_program_state
1958 GLboolean Enabled
; /**< GL_VERTEX_PROGRAM_ARB/NV */
1959 GLboolean _Enabled
; /**< Enabled and valid program? */
1960 GLboolean PointSizeEnabled
; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
1961 GLboolean TwoSideEnabled
; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
1962 struct gl_vertex_program
*Current
; /**< user-bound vertex program */
1964 /** Currently enabled and valid program (including internal programs
1965 * and compiled shader programs).
1967 struct gl_vertex_program
*_Current
;
1969 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
1971 /* For GL_NV_vertex_program only: */
1972 GLenum TrackMatrix
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1973 GLenum TrackMatrixTransform
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1975 /** Should fixed-function T&L be implemented with a vertex prog? */
1976 GLboolean _MaintainTnlProgram
;
1978 /** Program to emulate fixed-function T&L (see above) */
1979 struct gl_vertex_program
*_TnlProgram
;
1981 /** Cache of fixed-function programs */
1982 struct gl_program_cache
*Cache
;
1984 #if FEATURE_MESA_program_debug
1985 GLprogramcallbackMESA Callback
;
1986 GLvoid
*CallbackData
;
1987 GLboolean CallbackEnabled
;
1988 GLuint CurrentPosition
;
1991 GLboolean _Overriden
;
1996 * Context state for fragment programs.
1998 struct gl_fragment_program_state
2000 GLboolean Enabled
; /**< User-set fragment program enable flag */
2001 GLboolean _Enabled
; /**< Fragment program enabled and valid? */
2003 struct gl_fragment_program
*Current
; /**< User-bound fragment program */
2005 /** Currently enabled and valid program (including internal programs
2006 * and compiled shader programs).
2008 struct gl_fragment_program
*_Current
;
2010 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2012 /** Should fixed-function texturing be implemented with a fragment prog? */
2013 GLboolean _MaintainTexEnvProgram
;
2014 GLboolean _UseTexEnvProgram
;
2016 /** Program to emulate fixed-function texture env/combine (see above) */
2017 struct gl_fragment_program
*_TexEnvProgram
;
2019 /** Cache of fixed-function programs */
2020 struct gl_program_cache
*Cache
;
2022 #if FEATURE_MESA_program_debug
2023 GLprogramcallbackMESA Callback
;
2024 GLvoid
*CallbackData
;
2025 GLboolean CallbackEnabled
;
2026 GLuint CurrentPosition
;
2032 * ATI_fragment_shader runtime state
2034 #define ATI_FS_INPUT_PRIMARY 0
2035 #define ATI_FS_INPUT_SECONDARY 1
2037 struct atifs_instruction
;
2038 struct atifs_setupinst
;
2041 * ATI fragment shader
2043 struct ati_fragment_shader
2047 struct atifs_instruction
*Instructions
[2];
2048 struct atifs_setupinst
*SetupInst
[2];
2049 GLfloat Constants
[8][4];
2050 GLbitfield LocalConstDef
; /** Indicates which constants have been set */
2051 GLubyte numArithInstr
[2];
2052 GLubyte regsAssigned
[2];
2053 GLubyte NumPasses
; /** 1 or 2 */
2055 GLubyte last_optype
;
2056 GLboolean interpinp1
;
2062 * Context state for GL_ATI_fragment_shader
2064 struct gl_ati_fragment_shader_state
2067 GLboolean _Enabled
; /** enabled and valid shader? */
2068 GLboolean Compiling
;
2069 GLfloat GlobalConstants
[8][4];
2070 struct ati_fragment_shader
*Current
;
2075 * Occlusion/timer query object.
2077 struct gl_query_object
2079 GLenum Target
; /**< The query target, when active */
2080 GLuint Id
; /**< hash table ID/name */
2081 GLuint64EXT Result
; /**< the counter */
2082 GLboolean Active
; /**< inside Begin/EndQuery */
2083 GLboolean Ready
; /**< result is ready? */
2088 * Context state for query objects.
2090 struct gl_query_state
2092 struct _mesa_HashTable
*QueryObjects
;
2093 struct gl_query_object
*CurrentOcclusionObject
; /* GL_ARB_occlusion_query */
2094 struct gl_query_object
*CurrentTimerObject
; /* GL_EXT_timer_query */
2100 * A GLSL vertex or fragment shader object.
2104 GLenum Type
; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */
2105 GLuint Name
; /**< AKA the handle */
2106 GLint RefCount
; /**< Reference count */
2107 GLboolean DeletePending
;
2109 const GLchar
*Source
; /**< Source code string */
2110 GLboolean CompileStatus
;
2111 struct gl_program
*Program
; /**< Post-compile assembly code */
2113 GLboolean Main
; /**< shader defines main() */
2118 * A GLSL program object.
2119 * Basically a linked collection of vertex and fragment shaders.
2121 struct gl_shader_program
2123 GLenum Type
; /**< Always GL_SHADER_PROGRAM (internal token) */
2124 GLuint Name
; /**< aka handle or ID */
2125 GLint RefCount
; /**< Reference count */
2126 GLboolean DeletePending
;
2128 GLuint NumShaders
; /**< number of attached shaders */
2129 struct gl_shader
**Shaders
; /**< List of attached the shaders */
2131 /** User-defined attribute bindings (glBindAttribLocation) */
2132 struct gl_program_parameter_list
*Attributes
;
2134 /* post-link info: */
2135 struct gl_vertex_program
*VertexProgram
; /**< Linked vertex program */
2136 struct gl_fragment_program
*FragmentProgram
; /**< Linked fragment prog */
2137 struct gl_uniform_list
*Uniforms
;
2138 struct gl_program_parameter_list
*Varying
;
2139 GLboolean LinkStatus
; /**< GL_LINK_STATUS */
2140 GLboolean Validated
;
2146 * Context state for GLSL vertex/fragment shaders.
2148 struct gl_shader_state
2150 struct gl_shader_program
*CurrentProgram
; /**< The user-bound program */
2151 /** Driver-selectable options: */
2152 GLboolean EmitHighLevelInstructions
; /**< IF/ELSE/ENDIF vs. BRA, etc. */
2153 GLboolean EmitCondCodes
; /**< Use condition codes? */
2154 GLboolean EmitComments
; /**< Annotated instructions */
2160 * State which can be shared by multiple contexts:
2162 struct gl_shared_state
2164 _glthread_Mutex Mutex
; /**< for thread safety */
2165 GLint RefCount
; /**< Reference count */
2166 struct _mesa_HashTable
*DisplayList
; /**< Display lists hash table */
2167 struct _mesa_HashTable
*TexObjects
; /**< Texture objects hash table */
2170 * \name Default texture objects (shared by all multi-texture units)
2173 struct gl_texture_object
*Default1D
;
2174 struct gl_texture_object
*Default2D
;
2175 struct gl_texture_object
*Default3D
;
2176 struct gl_texture_object
*DefaultCubeMap
;
2177 struct gl_texture_object
*DefaultRect
;
2178 struct gl_texture_object
*Default1DArray
;
2179 struct gl_texture_object
*Default2DArray
;
2183 * \name Thread safety and statechange notification for texture
2186 * \todo Improve the granularity of locking.
2189 _glthread_Mutex TexMutex
; /**< texobj thread safety */
2190 GLuint TextureStateStamp
; /**< state notification for shared tex */
2195 * \name Vertex/fragment programs
2198 struct _mesa_HashTable
*Programs
; /**< All vertex/fragment programs */
2199 #if FEATURE_ARB_vertex_program
2200 struct gl_vertex_program
*DefaultVertexProgram
;
2202 #if FEATURE_ARB_fragment_program
2203 struct gl_fragment_program
*DefaultFragmentProgram
;
2207 #if FEATURE_ATI_fragment_shader
2208 struct _mesa_HashTable
*ATIShaders
;
2209 struct ati_fragment_shader
*DefaultFragmentShader
;
2212 #if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
2213 struct _mesa_HashTable
*BufferObjects
;
2216 #if FEATURE_ARB_shader_objects
2217 /** Table of both gl_shader and gl_shader_program objects */
2218 struct _mesa_HashTable
*ShaderObjects
;
2221 #if FEATURE_EXT_framebuffer_object
2222 struct _mesa_HashTable
*RenderBuffers
;
2223 struct _mesa_HashTable
*FrameBuffers
;
2226 /** Objects associated with the GL_APPLE_vertex_array_object extension. */
2227 struct _mesa_HashTable
*ArrayObjects
;
2229 void *DriverData
; /**< Device driver shared state */
2236 * A renderbuffer stores colors or depth values or stencil values.
2237 * A framebuffer object will have a collection of these.
2238 * Data are read/written to the buffer with a handful of Get/Put functions.
2240 * Instances of this object are allocated with the Driver's NewRenderbuffer
2241 * hook. Drivers will likely wrap this class inside a driver-specific
2242 * class to simulate inheritance.
2244 struct gl_renderbuffer
2246 #define RB_MAGIC 0xaabbccdd
2247 int Magic
; /** XXX TEMPORARY DEBUG INFO */
2248 _glthread_Mutex Mutex
; /**< for thread safety */
2249 GLuint ClassID
; /**< Useful for drivers */
2252 GLuint Width
, Height
;
2253 GLenum InternalFormat
; /**< The user-specified format */
2254 GLenum _ActualFormat
; /**< The driver-chosen format */
2255 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
2256 GL_STENCIL_INDEX. */
2257 GLenum DataType
; /**< Type of values passed to the Get/Put functions */
2258 GLubyte RedBits
; /**< Bits of red per pixel */
2264 GLubyte StencilBits
;
2265 GLubyte Samples
; /**< Number of samples - 0 if not multisampled */
2266 GLvoid
*Data
; /**< This may not be used by some kinds of RBs */
2268 /* Used to wrap one renderbuffer around another: */
2269 struct gl_renderbuffer
*Wrapped
;
2271 /* Delete this renderbuffer */
2272 void (*Delete
)(struct gl_renderbuffer
*rb
);
2274 /* Allocate new storage for this renderbuffer */
2275 GLboolean (*AllocStorage
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2276 GLenum internalFormat
,
2277 GLuint width
, GLuint height
);
2279 /* Lock/Unlock are called before/after calling the Get/Put functions.
2280 * Not sure this is the right place for these yet.
2281 void (*Lock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2282 void (*Unlock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2285 /* Return a pointer to the element/pixel at (x,y).
2286 * Should return NULL if the buffer memory can't be directly addressed.
2288 void *(*GetPointer
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2291 /* Get/Read a row of values.
2292 * The values will be of format _BaseFormat and type DataType.
2294 void (*GetRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2295 GLint x
, GLint y
, void *values
);
2297 /* Get/Read values at arbitrary locations.
2298 * The values will be of format _BaseFormat and type DataType.
2300 void (*GetValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2301 const GLint x
[], const GLint y
[], void *values
);
2303 /* Put/Write a row of values.
2304 * The values will be of format _BaseFormat and type DataType.
2306 void (*PutRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2307 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2309 /* Put/Write a row of RGB values. This is a special-case routine that's
2310 * only used for RGBA renderbuffers when the source data is GL_RGB. That's
2311 * a common case for glDrawPixels and some triangle routines.
2312 * The values will be of format GL_RGB and type DataType.
2314 void (*PutRowRGB
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2315 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2318 /* Put/Write a row of identical values.
2319 * The values will be of format _BaseFormat and type DataType.
2321 void (*PutMonoRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2322 GLint x
, GLint y
, const void *value
, const GLubyte
*mask
);
2324 /* Put/Write values at arbitrary locations.
2325 * The values will be of format _BaseFormat and type DataType.
2327 void (*PutValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2328 const GLint x
[], const GLint y
[], const void *values
,
2329 const GLubyte
*mask
);
2330 /* Put/Write identical values at arbitrary locations.
2331 * The values will be of format _BaseFormat and type DataType.
2333 void (*PutMonoValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2334 GLuint count
, const GLint x
[], const GLint y
[],
2335 const void *value
, const GLubyte
*mask
);
2340 * A renderbuffer attachment point points to either a texture object
2341 * (and specifies a mipmap level, cube face or 3D texture slice) or
2342 * points to a renderbuffer.
2344 struct gl_renderbuffer_attachment
2346 GLenum Type
; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
2350 * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
2351 * application supplied renderbuffer object.
2353 struct gl_renderbuffer
*Renderbuffer
;
2356 * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
2357 * supplied texture object.
2359 struct gl_texture_object
*Texture
;
2360 GLuint TextureLevel
; /**< Attached mipmap level. */
2361 GLuint CubeMapFace
; /**< 0 .. 5, for cube map textures. */
2362 GLuint Zoffset
; /**< Slice for 3D textures, or layer for both 1D
2363 * and 2D array textures */
2368 * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
2369 * In C++ terms, think of this as a base class from which device drivers
2370 * will make derived classes.
2372 struct gl_framebuffer
2374 _glthread_Mutex Mutex
; /**< for thread safety */
2375 GLuint Name
; /* if zero, this is a window system framebuffer */
2377 GLboolean DeletePending
;
2379 GLvisual Visual
; /**< The framebuffer's visual.
2380 Immutable if this is a window system buffer.
2381 Computed from attachments if user-made FBO. */
2383 GLboolean Initialized
;
2385 GLuint Width
, Height
; /**< size of frame buffer in pixels */
2387 /** \name Drawing bounds (Intersection of buffer size and scissor box) */
2389 GLint _Xmin
, _Xmax
; /**< inclusive */
2390 GLint _Ymin
, _Ymax
; /**< exclusive */
2393 /** \name Derived Z buffer stuff */
2395 GLuint _DepthMax
; /**< Max depth buffer value */
2396 GLfloat _DepthMaxF
; /**< Float max depth buffer value */
2397 GLfloat _MRD
; /**< minimum resolvable difference in Z values */
2400 GLenum _Status
; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
2402 /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
2403 struct gl_renderbuffer_attachment Attachment
[BUFFER_COUNT
];
2405 /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
2406 * attribute group and GL_PIXEL attribute group, respectively.
2408 GLenum ColorDrawBuffer
[MAX_DRAW_BUFFERS
];
2409 GLenum ColorReadBuffer
;
2411 /** Computed from ColorDraw/ReadBuffer above */
2412 GLuint _NumColorDrawBuffers
;
2413 GLint _ColorDrawBufferIndexes
[MAX_DRAW_BUFFERS
]; /**< BUFFER_x or -1 */
2414 GLint _ColorReadBufferIndex
; /* -1 = None */
2415 struct gl_renderbuffer
*_ColorDrawBuffers
[MAX_DRAW_BUFFERS
];
2416 struct gl_renderbuffer
*_ColorReadBuffer
;
2418 /** The Actual depth/stencil buffers to use. May be wrappers around the
2419 * depth/stencil buffers attached above. */
2420 struct gl_renderbuffer
*_DepthBuffer
;
2421 struct gl_renderbuffer
*_StencilBuffer
;
2423 /** Delete this framebuffer */
2424 void (*Delete
)(struct gl_framebuffer
*fb
);
2429 * Limits for vertex and fragment programs.
2431 struct gl_program_constants
2433 /* logical limits */
2434 GLuint MaxInstructions
;
2435 GLuint MaxAluInstructions
; /* fragment programs only, for now */
2436 GLuint MaxTexInstructions
; /* fragment programs only, for now */
2437 GLuint MaxTexIndirections
; /* fragment programs only, for now */
2440 GLuint MaxAddressRegs
; /* vertex program only, for now */
2441 GLuint MaxParameters
;
2442 GLuint MaxLocalParams
;
2443 GLuint MaxEnvParams
;
2444 /* native/hardware limits */
2445 GLuint MaxNativeInstructions
;
2446 GLuint MaxNativeAluInstructions
; /* fragment programs only, for now */
2447 GLuint MaxNativeTexInstructions
; /* fragment programs only, for now */
2448 GLuint MaxNativeTexIndirections
; /* fragment programs only, for now */
2449 GLuint MaxNativeAttribs
;
2450 GLuint MaxNativeTemps
;
2451 GLuint MaxNativeAddressRegs
; /* vertex program only, for now */
2452 GLuint MaxNativeParameters
;
2454 GLuint MaxUniformComponents
;
2459 * Constants which may be overridden by device driver during context creation
2460 * but are never changed after that.
2464 GLint MaxTextureLevels
; /**< Maximum number of allowed mipmap levels. */
2465 GLint Max3DTextureLevels
; /**< Maximum number of allowed mipmap levels for 3D texture targets. */
2466 GLint MaxCubeTextureLevels
; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */
2467 GLint MaxArrayTextureLayers
; /**< Maximum number of layers in an array texture. */
2468 GLint MaxTextureRectSize
; /* GL_NV_texture_rectangle */
2469 GLuint MaxTextureCoordUnits
;
2470 GLuint MaxTextureImageUnits
;
2471 GLuint MaxTextureUnits
; /* = MIN(CoordUnits, ImageUnits) */
2472 GLfloat MaxTextureMaxAnisotropy
; /* GL_EXT_texture_filter_anisotropic */
2473 GLfloat MaxTextureLodBias
; /* GL_EXT_texture_lod_bias */
2474 GLuint MaxArrayLockSize
;
2476 GLfloat MinPointSize
, MaxPointSize
; /* aliased */
2477 GLfloat MinPointSizeAA
, MaxPointSizeAA
; /* antialiased */
2478 GLfloat PointSizeGranularity
;
2479 GLfloat MinLineWidth
, MaxLineWidth
; /* aliased */
2480 GLfloat MinLineWidthAA
, MaxLineWidthAA
; /* antialiased */
2481 GLfloat LineWidthGranularity
;
2482 GLuint MaxColorTableSize
;
2483 GLuint MaxConvolutionWidth
;
2484 GLuint MaxConvolutionHeight
;
2485 GLuint MaxClipPlanes
;
2487 GLfloat MaxShininess
; /* GL_NV_light_max_exponent */
2488 GLfloat MaxSpotExponent
; /* GL_NV_light_max_exponent */
2489 GLuint MaxViewportWidth
, MaxViewportHeight
;
2490 struct gl_program_constants VertexProgram
; /* GL_ARB_vertex_program */
2491 struct gl_program_constants FragmentProgram
; /* GL_ARB_fragment_program */
2492 /* shared by vertex and fragment program: */
2493 GLuint MaxProgramMatrices
;
2494 GLuint MaxProgramMatrixStackDepth
;
2495 /* vertex array / buffer object bounds checking */
2496 GLboolean CheckArrayBounds
;
2497 /* GL_ARB_draw_buffers */
2498 GLuint MaxDrawBuffers
;
2499 /* GL_OES_read_format */
2500 GLenum ColorReadFormat
;
2501 GLenum ColorReadType
;
2502 /* GL_EXT_framebuffer_object */
2503 GLuint MaxColorAttachments
;
2504 GLuint MaxRenderbufferSize
;
2505 /* GL_ARB_vertex_shader */
2506 GLuint MaxVertexTextureImageUnits
;
2507 GLuint MaxVarying
; /**< Number of float[4] vectors */
2512 * Enable flag for each OpenGL extension. Different device drivers will
2513 * enable different extensions at runtime.
2515 struct gl_extensions
2518 * \name Flags to quickly test if certain extensions are available.
2520 * Not every extension needs to have such a flag, but it's encouraged.
2523 GLboolean dummy
; /* don't remove this! */
2524 GLboolean ARB_depth_texture
;
2525 GLboolean ARB_draw_buffers
;
2526 GLboolean ARB_fragment_program
;
2527 GLboolean ARB_fragment_program_shadow
;
2528 GLboolean ARB_fragment_shader
;
2529 GLboolean ARB_half_float_pixel
;
2530 GLboolean ARB_imaging
;
2531 GLboolean ARB_multisample
;
2532 GLboolean ARB_multitexture
;
2533 GLboolean ARB_occlusion_query
;
2534 GLboolean ARB_point_sprite
;
2535 GLboolean ARB_shader_objects
;
2536 GLboolean ARB_shading_language_100
;
2537 GLboolean ARB_shading_language_120
;
2538 GLboolean ARB_shadow
;
2539 GLboolean ARB_texture_border_clamp
;
2540 GLboolean ARB_texture_compression
;
2541 GLboolean ARB_texture_cube_map
;
2542 GLboolean ARB_texture_env_combine
;
2543 GLboolean ARB_texture_env_crossbar
;
2544 GLboolean ARB_texture_env_dot3
;
2545 GLboolean ARB_texture_float
;
2546 GLboolean ARB_texture_mirrored_repeat
;
2547 GLboolean ARB_texture_non_power_of_two
;
2548 GLboolean ARB_transpose_matrix
;
2549 GLboolean ARB_vertex_buffer_object
;
2550 GLboolean ARB_vertex_program
;
2551 GLboolean ARB_vertex_shader
;
2552 GLboolean ARB_window_pos
;
2555 GLboolean EXT_blend_color
;
2556 GLboolean EXT_blend_equation_separate
;
2557 GLboolean EXT_blend_func_separate
;
2558 GLboolean EXT_blend_logic_op
;
2559 GLboolean EXT_blend_minmax
;
2560 GLboolean EXT_blend_subtract
;
2561 GLboolean EXT_clip_volume_hint
;
2562 GLboolean EXT_cull_vertex
;
2563 GLboolean EXT_convolution
;
2564 GLboolean EXT_compiled_vertex_array
;
2565 GLboolean EXT_copy_texture
;
2566 GLboolean EXT_depth_bounds_test
;
2567 GLboolean EXT_draw_range_elements
;
2568 GLboolean EXT_framebuffer_object
;
2569 GLboolean EXT_fog_coord
;
2570 GLboolean EXT_framebuffer_blit
;
2571 GLboolean EXT_gpu_program_parameters
;
2572 GLboolean EXT_histogram
;
2573 GLboolean EXT_multi_draw_arrays
;
2574 GLboolean EXT_paletted_texture
;
2575 GLboolean EXT_packed_depth_stencil
;
2576 GLboolean EXT_packed_pixels
;
2577 GLboolean EXT_pixel_buffer_object
;
2578 GLboolean EXT_point_parameters
;
2579 GLboolean EXT_polygon_offset
;
2580 GLboolean EXT_rescale_normal
;
2581 GLboolean EXT_shadow_funcs
;
2582 GLboolean EXT_secondary_color
;
2583 GLboolean EXT_separate_specular_color
;
2584 GLboolean EXT_shared_texture_palette
;
2585 GLboolean EXT_stencil_wrap
;
2586 GLboolean EXT_stencil_two_side
;
2587 GLboolean EXT_subtexture
;
2588 GLboolean EXT_texture
;
2589 GLboolean EXT_texture_object
;
2590 GLboolean EXT_texture3D
;
2591 GLboolean EXT_texture_compression_s3tc
;
2592 GLboolean EXT_texture_env_add
;
2593 GLboolean EXT_texture_env_combine
;
2594 GLboolean EXT_texture_env_dot3
;
2595 GLboolean EXT_texture_filter_anisotropic
;
2596 GLboolean EXT_texture_lod_bias
;
2597 GLboolean EXT_texture_mirror_clamp
;
2598 GLboolean EXT_texture_sRGB
;
2599 GLboolean EXT_timer_query
;
2600 GLboolean EXT_vertex_array
;
2601 GLboolean EXT_vertex_array_set
;
2602 /* vendor extensions */
2603 GLboolean APPLE_client_storage
;
2604 GLboolean APPLE_packed_pixels
;
2605 GLboolean APPLE_vertex_array_object
;
2606 GLboolean ATI_texture_mirror_once
;
2607 GLboolean ATI_texture_env_combine3
;
2608 GLboolean ATI_fragment_shader
;
2609 GLboolean ATI_separate_stencil
;
2610 GLboolean IBM_rasterpos_clip
;
2611 GLboolean IBM_multimode_draw_arrays
;
2612 GLboolean MESA_pack_invert
;
2613 GLboolean MESA_packed_depth_stencil
;
2614 GLboolean MESA_program_debug
;
2615 GLboolean MESA_resize_buffers
;
2616 GLboolean MESA_ycbcr_texture
;
2617 GLboolean MESA_texture_array
;
2618 GLboolean NV_blend_square
;
2619 GLboolean NV_fragment_program
;
2620 GLboolean NV_light_max_exponent
;
2621 GLboolean NV_point_sprite
;
2622 GLboolean NV_texgen_reflection
;
2623 GLboolean NV_texture_rectangle
;
2624 GLboolean NV_vertex_program
;
2625 GLboolean NV_vertex_program1_1
;
2626 GLboolean OES_read_format
;
2627 GLboolean SGI_color_matrix
;
2628 GLboolean SGI_color_table
;
2629 GLboolean SGI_texture_color_table
;
2630 GLboolean SGIS_generate_mipmap
;
2631 GLboolean SGIS_texture_edge_clamp
;
2632 GLboolean SGIS_texture_lod
;
2633 GLboolean SGIX_shadow
;
2634 GLboolean SGIX_shadow_ambient
; /* or GL_ARB_shadow_ambient */
2635 GLboolean TDFX_texture_compression_FXT1
;
2638 /* The extension string */
2639 const GLubyte
*String
;
2644 * A stack of matrices (projection, modelview, color, texture, etc).
2646 struct gl_matrix_stack
2648 GLmatrix
*Top
; /**< points into Stack */
2649 GLmatrix
*Stack
; /**< array [MaxDepth] of GLmatrix */
2650 GLuint Depth
; /**< 0 <= Depth < MaxDepth */
2651 GLuint MaxDepth
; /**< size of Stack[] array */
2652 GLuint DirtyFlag
; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
2657 * \name Bits for image transfer operations
2659 * \sa __GLcontextRec::ImageTransferState.
2662 #define IMAGE_SCALE_BIAS_BIT 0x1
2663 #define IMAGE_SHIFT_OFFSET_BIT 0x2
2664 #define IMAGE_MAP_COLOR_BIT 0x4
2665 #define IMAGE_COLOR_TABLE_BIT 0x8
2666 #define IMAGE_CONVOLUTION_BIT 0x10
2667 #define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20
2668 #define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40
2669 #define IMAGE_COLOR_MATRIX_BIT 0x80
2670 #define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100
2671 #define IMAGE_HISTOGRAM_BIT 0x200
2672 #define IMAGE_MIN_MAX_BIT 0x400
2673 #define IMAGE_CLAMP_BIT 0x800 /* extra */
2676 /** Pixel Transfer ops up to convolution */
2677 #define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \
2678 IMAGE_SHIFT_OFFSET_BIT | \
2679 IMAGE_MAP_COLOR_BIT | \
2680 IMAGE_COLOR_TABLE_BIT)
2682 /** Pixel transfer ops after convolution */
2683 #define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \
2684 IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \
2685 IMAGE_COLOR_MATRIX_BIT | \
2686 IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\
2687 IMAGE_HISTOGRAM_BIT | \
2693 * \name Bits to indicate what state has changed.
2698 #define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */
2699 #define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */
2700 #define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */
2701 #define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */
2702 #define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */
2703 #define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */
2704 #define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */
2705 #define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */
2706 #define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */
2707 #define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */
2708 #define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */
2709 #define _NEW_LINE 0x800 /**< __GLcontextRec::Line */
2710 #define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */
2711 #define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */
2712 #define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */
2713 #define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */
2714 #define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */
2715 #define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */
2716 #define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */
2717 #define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */
2718 #define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */
2719 #define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */
2720 #define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */
2721 #define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */
2722 #define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */
2723 #define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */
2724 #define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */
2725 #define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */
2726 #define _NEW_CURRENT_ATTRIB 0x10000000 /**< __GLcontextRec::Current */
2732 * \name Bits to track array state changes
2734 * Also used to summarize array enabled.
2737 #define _NEW_ARRAY_VERTEX VERT_BIT_POS
2738 #define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
2739 #define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
2740 #define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
2741 #define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
2742 #define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
2743 #define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
2744 #define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
2745 #define _NEW_ARRAY_POINT_SIZE VERT_BIT_COLOR_INDEX /* aliased */
2746 #define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
2747 #define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
2748 #define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
2749 #define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
2750 #define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
2751 #define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
2752 #define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
2753 #define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
2754 #define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
2755 #define _NEW_ARRAY_ALL 0xffffffff
2758 #define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
2759 #define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
2765 * \name A bunch of flags that we think might be useful to drivers.
2767 * Set in the __GLcontextRec::_TriangleCaps bitfield.
2770 #define DD_FLATSHADE 0x1
2771 #define DD_SEPARATE_SPECULAR 0x2
2772 #define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
2773 #define DD_TRI_LIGHT_TWOSIDE 0x8
2774 #define DD_TRI_UNFILLED 0x10
2775 #define DD_TRI_SMOOTH 0x20
2776 #define DD_TRI_STIPPLE 0x40
2777 #define DD_TRI_OFFSET 0x80
2778 #define DD_LINE_SMOOTH 0x100
2779 #define DD_LINE_STIPPLE 0x200
2780 #define DD_LINE_WIDTH 0x400
2781 #define DD_POINT_SMOOTH 0x800
2782 #define DD_POINT_SIZE 0x1000
2783 #define DD_POINT_ATTEN 0x2000
2784 #define DD_TRI_TWOSTENCIL 0x4000
2789 * \name Define the state changes under which each of these bits might change
2792 #define _DD_NEW_FLATSHADE _NEW_LIGHT
2793 #define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
2794 #define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
2795 #define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
2796 #define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
2797 #define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
2798 #define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
2799 #define _DD_NEW_TRI_OFFSET _NEW_POLYGON
2800 #define _DD_NEW_LINE_SMOOTH _NEW_LINE
2801 #define _DD_NEW_LINE_STIPPLE _NEW_LINE
2802 #define _DD_NEW_LINE_WIDTH _NEW_LINE
2803 #define _DD_NEW_POINT_SMOOTH _NEW_POINT
2804 #define _DD_NEW_POINT_SIZE _NEW_POINT
2805 #define _DD_NEW_POINT_ATTEN _NEW_POINT
2809 #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
2815 #define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \
2818 #define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX)
2824 * Forward declaration of display list data types:
2827 typedef union node Node
;
2830 /* This has to be included here. */
2834 #define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *))
2837 * Core Mesa's support for tnl modules:
2839 struct gl_tnl_module
2842 * Vertex format to be lazily swapped into current dispatch.
2844 const GLvertexformat
*Current
;
2847 * \name Record of functions swapped out.
2848 * On restore, only need to swap these functions back in.
2852 _glapi_proc
* location
;
2853 _glapi_proc function
;
2854 } Swapped
[NUM_VERTEX_FORMAT_ENTRIES
];
2859 /* Strictly this is a tnl/ private concept, but it doesn't seem
2860 * worthwhile adding a tnl private structure just to hold this one bit
2863 #define MESA_DLIST_DANGLING_REFS 0x1
2865 /* Provide a location where information about a display list can be
2866 * collected. Could be extended with driverPrivate structures,
2867 * etc. in the future.
2869 struct mesa_display_list
2878 * State used during display list compilation and execution.
2880 struct gl_dlist_state
2882 GLuint CallDepth
; /**< Current recursion calling depth */
2884 struct mesa_display_list
*CurrentList
;
2885 Node
*CurrentListPtr
; /**< Head of list being compiled */
2886 GLuint CurrentListNum
; /**< Number of the list being compiled */
2887 Node
*CurrentBlock
; /**< Pointer to current block of nodes */
2888 GLuint CurrentPos
; /**< Index into current block of nodes */
2890 GLvertexformat ListVtxfmt
;
2892 GLubyte ActiveAttribSize
[VERT_ATTRIB_MAX
];
2893 GLfloat CurrentAttrib
[VERT_ATTRIB_MAX
][4];
2895 GLubyte ActiveMaterialSize
[MAT_ATTRIB_MAX
];
2896 GLfloat CurrentMaterial
[MAT_ATTRIB_MAX
][4];
2898 GLubyte ActiveIndex
;
2899 GLfloat CurrentIndex
;
2901 GLubyte ActiveEdgeFlag
;
2902 GLboolean CurrentEdgeFlag
;
2907 * Mesa rendering context.
2909 * This is the central context data structure for Mesa. Almost all
2910 * OpenGL state is contained in this structure.
2911 * Think of this as a base class from which device drivers will derive
2914 * The GLcontext typedef names this structure.
2916 struct __GLcontextRec
2918 /** State possibly shared with other contexts in the address space */
2919 struct gl_shared_state
*Shared
;
2921 /** \name API function pointer tables */
2923 struct _glapi_table
*Save
; /**< Display list save functions */
2924 struct _glapi_table
*Exec
; /**< Execute functions */
2925 struct _glapi_table
*CurrentDispatch
; /**< == Save or Exec !! */
2929 GLframebuffer
*DrawBuffer
; /**< buffer for writing */
2930 GLframebuffer
*ReadBuffer
; /**< buffer for reading */
2931 GLframebuffer
*WinSysDrawBuffer
; /**< set with MakeCurrent */
2932 GLframebuffer
*WinSysReadBuffer
; /**< set with MakeCurrent */
2935 * Device driver function pointer table
2937 struct dd_function_table Driver
;
2939 void *DriverCtx
; /**< Points to device driver context/state */
2941 /** Core/Driver constants */
2942 struct gl_constants Const
;
2944 /** \name The various 4x4 matrix stacks */
2946 struct gl_matrix_stack ModelviewMatrixStack
;
2947 struct gl_matrix_stack ProjectionMatrixStack
;
2948 struct gl_matrix_stack ColorMatrixStack
;
2949 struct gl_matrix_stack TextureMatrixStack
[MAX_TEXTURE_COORD_UNITS
];
2950 struct gl_matrix_stack ProgramMatrixStack
[MAX_PROGRAM_MATRICES
];
2951 struct gl_matrix_stack
*CurrentStack
; /**< Points to one of the above stacks */
2954 /** Combined modelview and projection matrix */
2955 GLmatrix _ModelProjectMatrix
;
2957 /** \name Display lists */
2958 struct gl_dlist_state ListState
;
2960 GLboolean ExecuteFlag
; /**< Execute GL commands? */
2961 GLboolean CompileFlag
; /**< Compile GL commands into display list? */
2963 /** Extension information */
2964 struct gl_extensions Extensions
;
2966 /** \name State attribute stack (for glPush/PopAttrib) */
2968 GLuint AttribStackDepth
;
2969 struct gl_attrib_node
*AttribStack
[MAX_ATTRIB_STACK_DEPTH
];
2972 /** \name Renderer attribute groups
2974 * We define a struct for each attribute group to make pushing and popping
2975 * attributes easy. Also it's a good organization.
2978 struct gl_accum_attrib Accum
; /**< Accum buffer attributes */
2979 struct gl_colorbuffer_attrib Color
; /**< Color buffer attributes */
2980 struct gl_current_attrib Current
; /**< Current attributes */
2981 struct gl_depthbuffer_attrib Depth
; /**< Depth buffer attributes */
2982 struct gl_eval_attrib Eval
; /**< Eval attributes */
2983 struct gl_fog_attrib Fog
; /**< Fog attributes */
2984 struct gl_hint_attrib Hint
; /**< Hint attributes */
2985 struct gl_light_attrib Light
; /**< Light attributes */
2986 struct gl_line_attrib Line
; /**< Line attributes */
2987 struct gl_list_attrib List
; /**< List attributes */
2988 struct gl_multisample_attrib Multisample
;
2989 struct gl_pixel_attrib Pixel
; /**< Pixel attributes */
2990 struct gl_point_attrib Point
; /**< Point attributes */
2991 struct gl_polygon_attrib Polygon
; /**< Polygon attributes */
2992 GLuint PolygonStipple
[32]; /**< Polygon stipple */
2993 struct gl_scissor_attrib Scissor
; /**< Scissor attributes */
2994 struct gl_stencil_attrib Stencil
; /**< Stencil buffer attributes */
2995 struct gl_texture_attrib Texture
; /**< Texture attributes */
2996 struct gl_transform_attrib Transform
; /**< Transformation attributes */
2997 struct gl_viewport_attrib Viewport
; /**< Viewport attributes */
3000 /** \name Client attribute stack */
3002 GLuint ClientAttribStackDepth
;
3003 struct gl_attrib_node
*ClientAttribStack
[MAX_CLIENT_ATTRIB_STACK_DEPTH
];
3006 /** \name Client attribute groups */
3008 struct gl_array_attrib Array
; /**< Vertex arrays */
3009 struct gl_pixelstore_attrib Pack
; /**< Pixel packing */
3010 struct gl_pixelstore_attrib Unpack
; /**< Pixel unpacking */
3011 struct gl_pixelstore_attrib DefaultPacking
; /**< Default params */
3014 /** \name Other assorted state (not pushed/popped on attribute stack) */
3016 struct gl_pixelmaps PixelMaps
;
3017 struct gl_histogram_attrib Histogram
;
3018 struct gl_minmax_attrib MinMax
;
3019 struct gl_convolution_attrib Convolution1D
;
3020 struct gl_convolution_attrib Convolution2D
;
3021 struct gl_convolution_attrib Separable2D
;
3023 struct gl_evaluators EvalMap
; /**< All evaluators */
3024 struct gl_feedback Feedback
; /**< Feedback */
3025 struct gl_selection Select
; /**< Selection */
3027 struct gl_color_table ColorTable
[COLORTABLE_MAX
];
3028 struct gl_color_table ProxyColorTable
[COLORTABLE_MAX
];
3030 struct gl_color_table PostConvolutionColorTable
;
3031 struct gl_color_table ProxyPostConvolutionColorTable
;
3032 struct gl_color_table PostColorMatrixColorTable
;
3033 struct gl_color_table ProxyPostColorMatrixColorTable
;
3036 struct gl_program_state Program
; /**< for vertex or fragment progs */
3037 struct gl_vertex_program_state VertexProgram
; /**< GL_ARB/NV_vertex_program */
3038 struct gl_fragment_program_state FragmentProgram
; /**< GL_ARB/NV_vertex_program */
3039 struct gl_ati_fragment_shader_state ATIFragmentShader
; /**< GL_ATI_fragment_shader */
3041 struct gl_query_state Query
; /**< GL_ARB_occlusion_query */
3043 struct gl_shader_state Shader
; /**< GLSL shader object state */
3046 #if FEATURE_EXT_framebuffer_object
3047 struct gl_renderbuffer
*CurrentRenderbuffer
;
3050 GLenum ErrorValue
; /**< Last error code */
3051 GLenum RenderMode
; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
3052 GLbitfield NewState
; /**< bitwise-or of _NEW_* flags */
3054 GLbitfield varying_vp_inputs
; /**< mask of VERT_BIT_* flags */
3056 /** \name Derived state */
3058 /** Bitwise-or of DD_* flags. Note that this bitfield may be used before
3059 * state validation so they need to always be current.
3061 GLbitfield _TriangleCaps
;
3062 GLbitfield _ImageTransferState
;/**< bitwise-or of IMAGE_*_BIT flags */
3063 GLfloat _EyeZDir
[3];
3064 GLfloat _ModelViewInvScale
;
3065 GLboolean _NeedEyeCoords
;
3066 GLboolean _ForceEyeCoords
;
3067 GLenum _CurrentProgram
; /* currently executing program */
3069 GLuint TextureStateTimestamp
; /* detect changes to shared state */
3071 struct gl_shine_tab
*_ShineTable
[2]; /**< Active shine tables */
3072 struct gl_shine_tab
*_ShineTabList
; /**< MRU list of inactive shine tables */
3075 struct gl_list_extensions ListExt
; /**< driver dlist extensions */
3077 /** \name For debugging/development only */
3079 GLboolean FirstTimeCurrent
;
3082 /** Dither disable via MESA_NO_DITHER env var */
3085 /** software compression/decompression supported or not */
3086 GLboolean Mesa_DXTn
;
3088 /** Core tnl module support */
3089 struct gl_tnl_module TnlModule
;
3092 * \name Hooks for module contexts.
3094 * These will eventually live in the driver or elsewhere.
3097 void *swrast_context
;
3098 void *swsetup_context
;
3099 void *swtnl_context
;
3101 struct st_context
*st
;
3107 /** The string names for GL_POINT, GL_LINE_LOOP, etc */
3108 extern const char *_mesa_prim_name
[GL_POLYGON
+4];
3112 extern int MESA_VERBOSE
;
3113 extern int MESA_DEBUG_FLAGS
;
3114 # define MESA_FUNCTION __FUNCTION__
3116 # define MESA_VERBOSE 0
3117 # define MESA_DEBUG_FLAGS 0
3118 # define MESA_FUNCTION "a function"
3127 VERBOSE_VARRAY
= 0x0001,
3128 VERBOSE_TEXTURE
= 0x0002,
3129 VERBOSE_IMMEDIATE
= 0x0004,
3130 VERBOSE_PIPELINE
= 0x0008,
3131 VERBOSE_DRIVER
= 0x0010,
3132 VERBOSE_STATE
= 0x0020,
3133 VERBOSE_API
= 0x0040,
3134 VERBOSE_DISPLAY_LIST
= 0x0100,
3135 VERBOSE_LIGHTING
= 0x0200,
3136 VERBOSE_PRIMS
= 0x0400,
3137 VERBOSE_VERTS
= 0x0800,
3138 VERBOSE_DISASSEM
= 0x1000,
3139 VERBOSE_GLSL
= 0x2000,
3140 VERBOSE_GLSL_DUMP
= 0x4000
3146 DEBUG_ALWAYS_FLUSH
= 0x1
3151 #define Elements(x) sizeof(x)/sizeof(*(x))
3154 #endif /* TYPES_H */