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/glapitable.h"
42 #include "glapi/glthread.h"
43 #include "math/m_matrix.h" /* GLmatrix */
48 * Special, internal token
50 #define GL_SHADER_PROGRAM_MESA 0x9999
54 * Color channel data type.
57 typedef GLubyte GLchan
;
59 #define CHAN_MAXF 255.0F
60 #define CHAN_TYPE GL_UNSIGNED_BYTE
62 typedef GLushort GLchan
;
63 #define CHAN_MAX 65535
64 #define CHAN_MAXF 65535.0F
65 #define CHAN_TYPE GL_UNSIGNED_SHORT
67 typedef GLfloat GLchan
;
69 #define CHAN_MAXF 1.0F
70 #define CHAN_TYPE GL_FLOAT
72 #error "illegal number of color channel bits"
77 * Stencil buffer data type.
80 typedef GLubyte GLstencil
;
81 #elif STENCIL_BITS==16
82 typedef GLushort GLstencil
;
84 # error "illegal number of stencil bits"
89 * Fixed point data type.
93 * Fixed point arithmetic macros
95 #ifndef FIXED_FRAC_BITS
96 #define FIXED_FRAC_BITS 11
99 #define FIXED_SHIFT FIXED_FRAC_BITS
100 #define FIXED_ONE (1 << FIXED_SHIFT)
101 #define FIXED_HALF (1 << (FIXED_SHIFT-1))
102 #define FIXED_FRAC_MASK (FIXED_ONE - 1)
103 #define FIXED_INT_MASK (~FIXED_FRAC_MASK)
104 #define FIXED_EPSILON 1
105 #define FIXED_SCALE ((float) FIXED_ONE)
106 #define FIXED_DBL_SCALE ((double) FIXED_ONE)
107 #define FloatToFixed(X) (IROUND((X) * FIXED_SCALE))
108 #define FixedToDouble(X) ((X) * (1.0 / FIXED_DBL_SCALE))
109 #define IntToFixed(I) ((I) << FIXED_SHIFT)
110 #define FixedToInt(X) ((X) >> FIXED_SHIFT)
111 #define FixedToUns(X) (((unsigned int)(X)) >> FIXED_SHIFT)
112 #define FixedCeil(X) (((X) + FIXED_ONE - FIXED_EPSILON) & FIXED_INT_MASK)
113 #define FixedFloor(X) ((X) & FIXED_INT_MASK)
114 #define FixedToFloat(X) ((X) * (1.0F / FIXED_SCALE))
115 #define PosFloatToFixed(X) FloatToFixed(X)
116 #define SignedFloatToFixed(X) FloatToFixed(X)
121 * \name Some forward type declarations
124 struct _mesa_HashTable
;
125 struct gl_pixelstore_attrib
;
126 struct gl_texture_format
;
127 struct gl_texture_image
;
128 struct gl_texture_object
;
130 typedef struct __GLcontextRec GLcontext
;
131 typedef struct __GLcontextModesRec GLvisual
;
132 typedef struct gl_framebuffer GLframebuffer
;
138 * Indexes for vertex program attributes.
139 * GL_NV_vertex_program aliases generic attributes over the conventional
140 * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
141 * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
142 * generic attributes are distinct/separate).
147 VERT_ATTRIB_WEIGHT
= 1,
148 VERT_ATTRIB_NORMAL
= 2,
149 VERT_ATTRIB_COLOR0
= 3,
150 VERT_ATTRIB_COLOR1
= 4,
152 VERT_ATTRIB_COLOR_INDEX
= 6,
153 VERT_ATTRIB_EDGEFLAG
= 7,
154 VERT_ATTRIB_TEX0
= 8,
155 VERT_ATTRIB_TEX1
= 9,
156 VERT_ATTRIB_TEX2
= 10,
157 VERT_ATTRIB_TEX3
= 11,
158 VERT_ATTRIB_TEX4
= 12,
159 VERT_ATTRIB_TEX5
= 13,
160 VERT_ATTRIB_TEX6
= 14,
161 VERT_ATTRIB_TEX7
= 15,
162 VERT_ATTRIB_GENERIC0
= 16,
163 VERT_ATTRIB_GENERIC1
= 17,
164 VERT_ATTRIB_GENERIC2
= 18,
165 VERT_ATTRIB_GENERIC3
= 19,
166 VERT_ATTRIB_GENERIC4
= 20,
167 VERT_ATTRIB_GENERIC5
= 21,
168 VERT_ATTRIB_GENERIC6
= 22,
169 VERT_ATTRIB_GENERIC7
= 23,
170 VERT_ATTRIB_GENERIC8
= 24,
171 VERT_ATTRIB_GENERIC9
= 25,
172 VERT_ATTRIB_GENERIC10
= 26,
173 VERT_ATTRIB_GENERIC11
= 27,
174 VERT_ATTRIB_GENERIC12
= 28,
175 VERT_ATTRIB_GENERIC13
= 29,
176 VERT_ATTRIB_GENERIC14
= 30,
177 VERT_ATTRIB_GENERIC15
= 31,
182 * Bitflags for vertex attributes.
183 * These are used in bitfields in many places.
186 #define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
187 #define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
188 #define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
189 #define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
190 #define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
191 #define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
192 #define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
193 #define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
194 #define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
195 #define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
196 #define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
197 #define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
198 #define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
199 #define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
200 #define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
201 #define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
202 #define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
203 #define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
204 #define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
205 #define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
206 #define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
207 #define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
208 #define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
209 #define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
210 #define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
211 #define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
212 #define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
213 #define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
214 #define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
215 #define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
216 #define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
217 #define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
219 #define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
220 #define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
225 * Indexes for vertex program result attributes
228 #define VERT_RESULT_HPOS 0
229 #define VERT_RESULT_COL0 1
230 #define VERT_RESULT_COL1 2
231 #define VERT_RESULT_FOGC 3
232 #define VERT_RESULT_TEX0 4
233 #define VERT_RESULT_TEX1 5
234 #define VERT_RESULT_TEX2 6
235 #define VERT_RESULT_TEX3 7
236 #define VERT_RESULT_TEX4 8
237 #define VERT_RESULT_TEX5 9
238 #define VERT_RESULT_TEX6 10
239 #define VERT_RESULT_TEX7 11
240 #define VERT_RESULT_PSIZ 12
241 #define VERT_RESULT_BFC0 13
242 #define VERT_RESULT_BFC1 14
243 #define VERT_RESULT_EDGE 15
244 #define VERT_RESULT_VAR0 16 /**< shader varying */
245 #define VERT_RESULT_MAX (VERT_RESULT_VAR0 + MAX_VARYING)
250 * Indexes for fragment program input attributes.
254 FRAG_ATTRIB_WPOS
= 0,
255 FRAG_ATTRIB_COL0
= 1,
256 FRAG_ATTRIB_COL1
= 2,
257 FRAG_ATTRIB_FOGC
= 3,
258 FRAG_ATTRIB_TEX0
= 4,
259 FRAG_ATTRIB_TEX1
= 5,
260 FRAG_ATTRIB_TEX2
= 6,
261 FRAG_ATTRIB_TEX3
= 7,
262 FRAG_ATTRIB_TEX4
= 8,
263 FRAG_ATTRIB_TEX5
= 9,
264 FRAG_ATTRIB_TEX6
= 10,
265 FRAG_ATTRIB_TEX7
= 11,
266 FRAG_ATTRIB_VAR0
= 12, /**< shader varying */
267 FRAG_ATTRIB_MAX
= (FRAG_ATTRIB_VAR0
+ MAX_VARYING
)
271 * Bitflags for fragment program input attributes.
274 #define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
275 #define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
276 #define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
277 #define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
278 #define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
279 #define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
280 #define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
281 #define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
282 #define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
283 #define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
284 #define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
285 #define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
286 #define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
288 #define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
289 #define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
291 #define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
303 * Fragment program results
307 FRAG_RESULT_COLR
= 0,
308 FRAG_RESULT_COLH
= 1,
309 FRAG_RESULT_DEPR
= 2,
310 FRAG_RESULT_DATA0
= 3,
311 FRAG_RESULT_MAX
= (FRAG_RESULT_DATA0
+ MAX_DRAW_BUFFERS
)
316 * Indexes for all renderbuffers
319 BUFFER_FRONT_LEFT
= 0, /* the four standard color buffers */
320 BUFFER_BACK_LEFT
= 1,
321 BUFFER_FRONT_RIGHT
= 2,
322 BUFFER_BACK_RIGHT
= 3,
323 BUFFER_AUX0
= 4, /* optional aux buffer */
330 BUFFER_COLOR0
= 11, /* generic renderbuffers */
342 * Bit flags for all renderbuffers
344 #define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
345 #define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
346 #define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
347 #define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
348 #define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
349 #define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
350 #define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
351 #define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
352 #define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
353 #define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
354 #define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
355 #define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
356 #define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
357 #define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
358 #define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
359 #define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
360 #define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
361 #define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
362 #define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
365 * Mask of all the color buffer bits (but not accum).
367 #define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
368 BUFFER_BIT_BACK_LEFT | \
369 BUFFER_BIT_FRONT_RIGHT | \
370 BUFFER_BIT_BACK_RIGHT | \
375 BUFFER_BIT_COLOR0 | \
376 BUFFER_BIT_COLOR1 | \
377 BUFFER_BIT_COLOR2 | \
378 BUFFER_BIT_COLOR3 | \
379 BUFFER_BIT_COLOR4 | \
380 BUFFER_BIT_COLOR5 | \
381 BUFFER_BIT_COLOR6 | \
385 /** The pixel transfer path has three color tables: */
387 #define COLORTABLE_PRECONVOLUTION 0
388 #define COLORTABLE_POSTCONVOLUTION 1
389 #define COLORTABLE_POSTCOLORMATRIX 2
390 #define COLORTABLE_MAX 3
395 * Data structure for color tables
397 struct gl_color_table
399 GLenum InternalFormat
; /**< The user-specified format */
400 GLenum _BaseFormat
; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
401 GLuint Size
; /**< number of entries in table */
402 GLfloat
*TableF
; /**< Color table, floating point values */
403 GLubyte
*TableUB
; /**< Color table, ubyte values */
408 GLubyte LuminanceSize
;
409 GLubyte IntensitySize
;
414 * \name Bit flags used for updating material values.
417 #define MAT_ATTRIB_FRONT_AMBIENT 0
418 #define MAT_ATTRIB_BACK_AMBIENT 1
419 #define MAT_ATTRIB_FRONT_DIFFUSE 2
420 #define MAT_ATTRIB_BACK_DIFFUSE 3
421 #define MAT_ATTRIB_FRONT_SPECULAR 4
422 #define MAT_ATTRIB_BACK_SPECULAR 5
423 #define MAT_ATTRIB_FRONT_EMISSION 6
424 #define MAT_ATTRIB_BACK_EMISSION 7
425 #define MAT_ATTRIB_FRONT_SHININESS 8
426 #define MAT_ATTRIB_BACK_SHININESS 9
427 #define MAT_ATTRIB_FRONT_INDEXES 10
428 #define MAT_ATTRIB_BACK_INDEXES 11
429 #define MAT_ATTRIB_MAX 12
431 #define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
432 #define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
433 #define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
434 #define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
435 #define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
436 #define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
438 #define MAT_INDEX_AMBIENT 0
439 #define MAT_INDEX_DIFFUSE 1
440 #define MAT_INDEX_SPECULAR 2
442 #define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
443 #define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
444 #define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
445 #define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
446 #define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
447 #define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
448 #define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
449 #define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
450 #define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
451 #define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
452 #define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
453 #define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
456 #define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
457 MAT_BIT_FRONT_AMBIENT | \
458 MAT_BIT_FRONT_DIFFUSE | \
459 MAT_BIT_FRONT_SPECULAR | \
460 MAT_BIT_FRONT_SHININESS | \
461 MAT_BIT_FRONT_INDEXES)
463 #define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
464 MAT_BIT_BACK_AMBIENT | \
465 MAT_BIT_BACK_DIFFUSE | \
466 MAT_BIT_BACK_SPECULAR | \
467 MAT_BIT_BACK_SHININESS | \
468 MAT_BIT_BACK_INDEXES)
470 #define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
474 #define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
475 #define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
478 * Material shininess lookup table.
482 struct gl_shine_tab
*next
, *prev
;
483 GLfloat tab
[SHINE_TABLE_SIZE
+1];
490 * Light source state.
494 struct gl_light
*next
; /**< double linked list with sentinel */
495 struct gl_light
*prev
;
497 GLfloat Ambient
[4]; /**< ambient color */
498 GLfloat Diffuse
[4]; /**< diffuse color */
499 GLfloat Specular
[4]; /**< specular color */
500 GLfloat EyePosition
[4]; /**< position in eye coordinates */
501 GLfloat EyeDirection
[4]; /**< spotlight dir in eye coordinates */
502 GLfloat SpotExponent
;
503 GLfloat SpotCutoff
; /**< in degrees */
504 GLfloat _CosCutoffNeg
; /**< = cos(SpotCutoff) */
505 GLfloat _CosCutoff
; /**< = MAX(0, cos(SpotCutoff)) */
506 GLfloat ConstantAttenuation
;
507 GLfloat LinearAttenuation
;
508 GLfloat QuadraticAttenuation
;
509 GLboolean Enabled
; /**< On/off flag */
512 * \name Derived fields
515 GLbitfield _Flags
; /**< State */
517 GLfloat _Position
[4]; /**< position in eye/obj coordinates */
518 GLfloat _VP_inf_norm
[3]; /**< Norm direction to infinite light */
519 GLfloat _h_inf_norm
[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
520 GLfloat _NormDirection
[4]; /**< normalized spotlight direction */
521 GLfloat _VP_inf_spot_attenuation
;
523 GLfloat _SpotExpTable
[EXP_TABLE_SIZE
][2]; /**< to replace a pow() call */
524 GLfloat _MatAmbient
[2][3]; /**< material ambient * light ambient */
525 GLfloat _MatDiffuse
[2][3]; /**< material diffuse * light diffuse */
526 GLfloat _MatSpecular
[2][3]; /**< material spec * light specular */
527 GLfloat _dli
; /**< CI diffuse light intensity */
528 GLfloat _sli
; /**< CI specular light intensity */
538 GLfloat Ambient
[4]; /**< ambient color */
539 GLboolean LocalViewer
; /**< Local (or infinite) view point? */
540 GLboolean TwoSide
; /**< Two (or one) sided lighting? */
541 GLenum ColorControl
; /**< either GL_SINGLE_COLOR
542 * or GL_SEPARATE_SPECULAR_COLOR */
551 GLfloat Attrib
[MAT_ATTRIB_MAX
][4];
556 * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
558 struct gl_accum_attrib
560 GLfloat ClearColor
[4]; /**< Accumulation buffer clear color */
565 * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
567 struct gl_colorbuffer_attrib
569 GLuint ClearIndex
; /**< Index to use for glClear */
570 GLclampf ClearColor
[4]; /**< Color to use for glClear */
572 GLuint IndexMask
; /**< Color index write mask */
573 GLubyte ColorMask
[4]; /**< Each flag is 0xff or 0x0 */
575 GLenum DrawBuffer
[MAX_DRAW_BUFFERS
]; /**< Which buffer to draw into */
578 * \name alpha testing
581 GLboolean AlphaEnabled
; /**< Alpha test enabled flag */
582 GLenum AlphaFunc
; /**< Alpha test function */
583 GLclampf AlphaRef
; /**< Alpha reference value */
590 GLboolean BlendEnabled
; /**< Blending enabled flag */
591 GLenum BlendSrcRGB
; /**< Blending source operator */
592 GLenum BlendDstRGB
; /**< Blending destination operator */
593 GLenum BlendSrcA
; /**< GL_INGR_blend_func_separate */
594 GLenum BlendDstA
; /**< GL_INGR_blend_func_separate */
595 GLenum BlendEquationRGB
; /**< Blending equation */
596 GLenum BlendEquationA
; /**< GL_EXT_blend_equation_separate */
597 GLfloat BlendColor
[4]; /**< Blending color */
604 GLenum LogicOp
; /**< Logic operator */
605 GLboolean IndexLogicOpEnabled
; /**< Color index logic op enabled flag */
606 GLboolean ColorLogicOpEnabled
; /**< RGBA logic op enabled flag */
607 GLboolean _LogicOpEnabled
; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
610 GLboolean DitherFlag
; /**< Dither enable flag */
612 GLenum ClampFragmentColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
613 GLenum ClampReadColor
; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
618 * Current attribute group (GL_CURRENT_BIT).
620 struct gl_current_attrib
623 * \name Current vertex attributes.
624 * \note Values are valid only after FLUSH_VERTICES has been called.
625 * \note Index and Edgeflag current values are stored as floats in the
626 * SIX and SEVEN attribute slots.
629 GLfloat Attrib
[VERT_ATTRIB_MAX
][4]; /**< Position, color, texcoords, etc */
633 * \name Current raster position attributes (always valid).
634 * \note This set of attributes is very similar to the SWvertex struct.
637 GLfloat RasterPos
[4];
638 GLfloat RasterDistance
;
639 GLfloat RasterColor
[4];
640 GLfloat RasterSecondaryColor
[4];
642 GLfloat RasterTexCoords
[MAX_TEXTURE_COORD_UNITS
][4];
643 GLboolean RasterPosValid
;
649 * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
651 struct gl_depthbuffer_attrib
653 GLenum Func
; /**< Function for depth buffer compare */
654 GLclampd Clear
; /**< Value to clear depth buffer to */
655 GLboolean Test
; /**< Depth buffering enabled flag */
656 GLboolean Mask
; /**< Depth buffer writable? */
657 GLboolean BoundsTest
; /**< GL_EXT_depth_bounds_test */
658 GLfloat BoundsMin
, BoundsMax
;/**< GL_EXT_depth_bounds_test */
663 * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
665 struct gl_enable_attrib
668 GLboolean AutoNormal
;
670 GLbitfield ClipPlanes
;
671 GLboolean ColorMaterial
;
672 GLboolean ColorTable
[COLORTABLE_MAX
];
673 GLboolean Convolution1D
;
674 GLboolean Convolution2D
;
675 GLboolean Separable2D
;
681 GLboolean Light
[MAX_LIGHTS
];
683 GLboolean LineSmooth
;
684 GLboolean LineStipple
;
685 GLboolean IndexLogicOp
;
686 GLboolean ColorLogicOp
;
687 GLboolean Map1Color4
;
689 GLboolean Map1Normal
;
690 GLboolean Map1TextureCoord1
;
691 GLboolean Map1TextureCoord2
;
692 GLboolean Map1TextureCoord3
;
693 GLboolean Map1TextureCoord4
;
694 GLboolean Map1Vertex3
;
695 GLboolean Map1Vertex4
;
696 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
697 GLboolean Map2Color4
;
699 GLboolean Map2Normal
;
700 GLboolean Map2TextureCoord1
;
701 GLboolean Map2TextureCoord2
;
702 GLboolean Map2TextureCoord3
;
703 GLboolean Map2TextureCoord4
;
704 GLboolean Map2Vertex3
;
705 GLboolean Map2Vertex4
;
706 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
709 GLboolean PixelTexture
;
710 GLboolean PointSmooth
;
711 GLboolean PolygonOffsetPoint
;
712 GLboolean PolygonOffsetLine
;
713 GLboolean PolygonOffsetFill
;
714 GLboolean PolygonSmooth
;
715 GLboolean PolygonStipple
;
716 GLboolean RescaleNormals
;
719 GLboolean StencilTwoSide
; /* GL_EXT_stencil_two_side */
720 GLboolean MultisampleEnabled
; /* GL_ARB_multisample */
721 GLboolean SampleAlphaToCoverage
; /* GL_ARB_multisample */
722 GLboolean SampleAlphaToOne
; /* GL_ARB_multisample */
723 GLboolean SampleCoverage
; /* GL_ARB_multisample */
724 GLboolean SampleCoverageInvert
; /* GL_ARB_multisample */
725 GLboolean RasterPositionUnclipped
; /* GL_IBM_rasterpos_clip */
726 GLuint Texture
[MAX_TEXTURE_IMAGE_UNITS
];
727 GLuint TexGen
[MAX_TEXTURE_COORD_UNITS
];
728 /* SGI_texture_color_table */
729 GLboolean TextureColorTable
[MAX_TEXTURE_IMAGE_UNITS
];
730 /* GL_ARB_vertex_program / GL_NV_vertex_program */
731 GLboolean VertexProgram
;
732 GLboolean VertexProgramPointSize
;
733 GLboolean VertexProgramTwoSide
;
734 /* GL_ARB_point_sprite / GL_NV_point_sprite */
735 GLboolean PointSprite
;
736 GLboolean FragmentShaderATI
;
741 * Evaluator attribute group (GL_EVAL_BIT).
743 struct gl_eval_attrib
749 GLboolean Map1Color4
;
751 GLboolean Map1Normal
;
752 GLboolean Map1TextureCoord1
;
753 GLboolean Map1TextureCoord2
;
754 GLboolean Map1TextureCoord3
;
755 GLboolean Map1TextureCoord4
;
756 GLboolean Map1Vertex3
;
757 GLboolean Map1Vertex4
;
758 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
759 GLboolean Map2Color4
;
761 GLboolean Map2Normal
;
762 GLboolean Map2TextureCoord1
;
763 GLboolean Map2TextureCoord2
;
764 GLboolean Map2TextureCoord3
;
765 GLboolean Map2TextureCoord4
;
766 GLboolean Map2Vertex3
;
767 GLboolean Map2Vertex4
;
768 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
769 GLboolean AutoNormal
;
773 * \name Map Grid endpoints and divisions and calculated du values
777 GLfloat MapGrid1u1
, MapGrid1u2
, MapGrid1du
;
778 GLint MapGrid2un
, MapGrid2vn
;
779 GLfloat MapGrid2u1
, MapGrid2u2
, MapGrid2du
;
780 GLfloat MapGrid2v1
, MapGrid2v2
, MapGrid2dv
;
786 * Fog attribute group (GL_FOG_BIT).
790 GLboolean Enabled
; /**< Fog enabled flag */
791 GLfloat Color
[4]; /**< Fog color */
792 GLfloat Density
; /**< Density >= 0.0 */
793 GLfloat Start
; /**< Start distance in eye coords */
794 GLfloat End
; /**< End distance in eye coords */
795 GLfloat Index
; /**< Fog index */
796 GLenum Mode
; /**< Fog mode */
797 GLboolean ColorSumEnabled
;
798 GLenum FogCoordinateSource
; /**< GL_EXT_fog_coord */
799 GLfloat _Scale
; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
804 * Hint attribute group (GL_HINT_BIT).
806 * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
808 struct gl_hint_attrib
810 GLenum PerspectiveCorrection
;
813 GLenum PolygonSmooth
;
815 GLenum ClipVolumeClipping
; /**< GL_EXT_clip_volume_hint */
816 GLenum TextureCompression
; /**< GL_ARB_texture_compression */
817 GLenum GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
818 GLenum FragmentShaderDerivative
; /**< GL_ARB_fragment_shader */
823 * Histogram attributes.
825 struct gl_histogram_attrib
827 GLuint Width
; /**< number of table entries */
828 GLint Format
; /**< GL_ALPHA, GL_RGB, etc */
829 GLuint Count
[HISTOGRAM_TABLE_SIZE
][4]; /**< the histogram */
830 GLboolean Sink
; /**< terminate image transfer? */
831 GLubyte RedSize
; /**< Bits per counter */
835 GLubyte LuminanceSize
;
840 * Color Min/max state.
842 struct gl_minmax_attrib
846 GLfloat Min
[4], Max
[4]; /**< RGBA */
851 * Image convolution state.
853 struct gl_convolution_attrib
856 GLenum InternalFormat
;
859 GLfloat Filter
[MAX_CONVOLUTION_WIDTH
* MAX_CONVOLUTION_HEIGHT
* 4];
867 #define LIGHT_SPOT 0x1
868 #define LIGHT_LOCAL_VIEWER 0x2
869 #define LIGHT_POSITIONAL 0x4
870 #define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
875 * Lighting attribute group (GL_LIGHT_BIT).
877 struct gl_light_attrib
879 struct gl_light Light
[MAX_LIGHTS
]; /**< Array of light sources */
880 struct gl_lightmodel Model
; /**< Lighting model */
883 * Must flush FLUSH_VERTICES before referencing:
886 struct gl_material Material
; /**< Includes front & back values */
889 GLboolean Enabled
; /**< Lighting enabled flag */
890 GLenum ShadeModel
; /**< GL_FLAT or GL_SMOOTH */
891 GLenum ColorMaterialFace
; /**< GL_FRONT, BACK or FRONT_AND_BACK */
892 GLenum ColorMaterialMode
; /**< GL_AMBIENT, GL_DIFFUSE, etc */
893 GLbitfield ColorMaterialBitmask
; /**< bitmask formed from Face and Mode */
894 GLboolean ColorMaterialEnabled
;
895 GLenum ClampVertexColor
;
897 struct gl_light EnabledList
; /**< List sentinel */
900 * Derived state for optimizations:
903 GLboolean _NeedEyeCoords
;
904 GLboolean _NeedVertices
; /**< Use fast shader? */
905 GLbitfield _Flags
; /**< LIGHT_* flags, see above */
906 GLfloat _BaseColor
[2][3];
912 * Line attribute group (GL_LINE_BIT).
914 struct gl_line_attrib
916 GLboolean SmoothFlag
; /**< GL_LINE_SMOOTH enabled? */
917 GLboolean StippleFlag
; /**< GL_LINE_STIPPLE enabled? */
918 GLushort StipplePattern
; /**< Stipple pattern */
919 GLint StippleFactor
; /**< Stipple repeat factor */
920 GLfloat Width
; /**< Line width */
925 * Display list attribute group (GL_LIST_BIT).
927 struct gl_list_attrib
934 * Used by device drivers to hook new commands into display lists.
936 struct gl_list_instruction
939 void (*Execute
)( GLcontext
*ctx
, void *data
);
940 void (*Destroy
)( GLcontext
*ctx
, void *data
);
941 void (*Print
)( GLcontext
*ctx
, void *data
);
944 #define MAX_DLIST_EXT_OPCODES 16
947 * Used by device drivers to hook new commands into display lists.
949 struct gl_list_extensions
951 struct gl_list_instruction Opcode
[MAX_DLIST_EXT_OPCODES
];
957 * Multisample attribute group (GL_MULTISAMPLE_BIT).
959 struct gl_multisample_attrib
962 GLboolean SampleAlphaToCoverage
;
963 GLboolean SampleAlphaToOne
;
964 GLboolean SampleCoverage
;
965 GLfloat SampleCoverageValue
;
966 GLboolean SampleCoverageInvert
;
971 * A pixelmap (see glPixelMap)
976 GLfloat Map
[MAX_PIXEL_MAP_TABLE
];
977 GLubyte Map8
[MAX_PIXEL_MAP_TABLE
]; /**< converted to 8-bit color */
982 * Collection of all pixelmaps
986 struct gl_pixelmap RtoR
; /**< i.e. GL_PIXEL_MAP_R_TO_R */
987 struct gl_pixelmap GtoG
;
988 struct gl_pixelmap BtoB
;
989 struct gl_pixelmap AtoA
;
990 struct gl_pixelmap ItoR
;
991 struct gl_pixelmap ItoG
;
992 struct gl_pixelmap ItoB
;
993 struct gl_pixelmap ItoA
;
994 struct gl_pixelmap ItoI
;
995 struct gl_pixelmap StoS
;
1000 * Pixel attribute group (GL_PIXEL_MODE_BIT).
1002 struct gl_pixel_attrib
1004 GLenum ReadBuffer
; /**< source buffer for glRead/CopyPixels() */
1006 /*--- Begin Pixel Transfer State ---*/
1007 /* Fields are in the order in which they're applied... */
1009 /* Scale & Bias (index shift, offset) */
1010 GLfloat RedBias
, RedScale
;
1011 GLfloat GreenBias
, GreenScale
;
1012 GLfloat BlueBias
, BlueScale
;
1013 GLfloat AlphaBias
, AlphaScale
;
1014 GLfloat DepthBias
, DepthScale
;
1015 GLint IndexShift
, IndexOffset
;
1018 /* Note: actual pixel maps are not part of this attrib group */
1019 GLboolean MapColorFlag
;
1020 GLboolean MapStencilFlag
;
1022 /* There are multiple color table stages: */
1023 GLboolean ColorTableEnabled
[COLORTABLE_MAX
];
1024 GLfloat ColorTableScale
[COLORTABLE_MAX
][4]; /**< RGBA */
1025 GLfloat ColorTableBias
[COLORTABLE_MAX
][4]; /**< RGBA */
1027 /* Convolution (GL_EXT_convolution) */
1028 GLboolean Convolution1DEnabled
;
1029 GLboolean Convolution2DEnabled
;
1030 GLboolean Separable2DEnabled
;
1031 GLfloat ConvolutionBorderColor
[3][4];
1032 GLenum ConvolutionBorderMode
[3];
1033 GLfloat ConvolutionFilterScale
[3][4]; /**< RGBA */
1034 GLfloat ConvolutionFilterBias
[3][4]; /**< RGBA */
1035 GLfloat PostConvolutionScale
[4]; /**< RGBA */
1036 GLfloat PostConvolutionBias
[4]; /**< RGBA */
1038 /* Color matrix (GL_SGI_color_matrix) */
1039 /* Note: the color matrix is not part of this attrib group */
1040 GLfloat PostColorMatrixScale
[4]; /**< RGBA */
1041 GLfloat PostColorMatrixBias
[4]; /**< RGBA */
1043 /* Histogram & minmax (GL_EXT_histogram) */
1044 /* Note: histogram and minmax data are not part of this attrib group */
1045 GLboolean HistogramEnabled
;
1046 GLboolean MinMaxEnabled
;
1048 /*--- End Pixel Transfer State ---*/
1051 GLfloat ZoomX
, ZoomY
;
1053 /** GL_SGI_texture_color_table */
1054 GLfloat TextureColorTableScale
[4];
1055 GLfloat TextureColorTableBias
[4];
1060 * Point attribute group (GL_POINT_BIT).
1062 struct gl_point_attrib
1064 GLboolean SmoothFlag
; /**< True if GL_POINT_SMOOTH is enabled */
1065 GLfloat Size
; /**< User-specified point size */
1066 GLfloat Params
[3]; /**< GL_EXT_point_parameters */
1067 GLfloat MinSize
, MaxSize
; /**< GL_EXT_point_parameters */
1068 GLfloat Threshold
; /**< GL_EXT_point_parameters */
1069 GLboolean _Attenuated
; /**< True if Params != [1, 0, 0] */
1070 GLboolean PointSprite
; /**< GL_NV/ARB_point_sprite */
1071 GLboolean CoordReplace
[MAX_TEXTURE_COORD_UNITS
]; /**< GL_ARB_point_sprite */
1072 GLenum SpriteRMode
; /**< GL_NV_point_sprite (only!) */
1073 GLenum SpriteOrigin
; /**< GL_ARB_point_sprite */
1078 * Polygon attribute group (GL_POLYGON_BIT).
1080 struct gl_polygon_attrib
1082 GLenum FrontFace
; /**< Either GL_CW or GL_CCW */
1083 GLenum FrontMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1084 GLenum BackMode
; /**< Either GL_POINT, GL_LINE or GL_FILL */
1085 GLboolean _FrontBit
; /**< 0=GL_CCW, 1=GL_CW */
1086 GLboolean CullFlag
; /**< Culling on/off flag */
1087 GLboolean SmoothFlag
; /**< True if GL_POLYGON_SMOOTH is enabled */
1088 GLboolean StippleFlag
; /**< True if GL_POLYGON_STIPPLE is enabled */
1089 GLenum CullFaceMode
; /**< Culling mode GL_FRONT or GL_BACK */
1090 GLfloat OffsetFactor
; /**< Polygon offset factor, from user */
1091 GLfloat OffsetUnits
; /**< Polygon offset units, from user */
1092 GLboolean OffsetPoint
; /**< Offset in GL_POINT mode */
1093 GLboolean OffsetLine
; /**< Offset in GL_LINE mode */
1094 GLboolean OffsetFill
; /**< Offset in GL_FILL mode */
1099 * Scissor attributes (GL_SCISSOR_BIT).
1101 struct gl_scissor_attrib
1103 GLboolean Enabled
; /**< Scissor test enabled? */
1104 GLint X
, Y
; /**< Lower left corner of box */
1105 GLsizei Width
, Height
; /**< Size of box */
1110 * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
1112 struct gl_stencil_attrib
1114 GLboolean Enabled
; /**< Enabled flag */
1115 GLboolean TestTwoSide
; /**< GL_EXT_stencil_two_side */
1116 GLubyte ActiveFace
; /**< GL_EXT_stencil_two_side (0 or 1) */
1117 GLboolean _TestTwoSide
;
1118 GLenum Function
[2]; /**< Stencil function */
1119 GLenum FailFunc
[2]; /**< Fail function */
1120 GLenum ZPassFunc
[2]; /**< Depth buffer pass function */
1121 GLenum ZFailFunc
[2]; /**< Depth buffer fail function */
1122 GLint Ref
[2]; /**< Reference value */
1123 GLuint ValueMask
[2]; /**< Value mask */
1124 GLuint WriteMask
[2]; /**< Write mask */
1125 GLuint Clear
; /**< Clear value */
1129 #define NUM_TEXTURE_TARGETS 7 /* 1D, 2D, 3D, CUBE, RECT, 1D_STACK, and 2D_STACK */
1132 * An index for each type of texture object
1135 #define TEXTURE_1D_INDEX 0
1136 #define TEXTURE_2D_INDEX 1
1137 #define TEXTURE_3D_INDEX 2
1138 #define TEXTURE_CUBE_INDEX 3
1139 #define TEXTURE_RECT_INDEX 4
1140 #define TEXTURE_1D_ARRAY_INDEX 5
1141 #define TEXTURE_2D_ARRAY_INDEX 6
1145 * Bit flags for each type of texture object
1146 * Used for Texture.Unit[]._ReallyEnabled flags.
1149 #define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
1150 #define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
1151 #define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
1152 #define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
1153 #define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
1154 #define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
1155 #define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
1160 * TexGenEnabled flags.
1171 * Bit flag versions of the corresponding GL_ constants.
1174 #define TEXGEN_SPHERE_MAP 0x1
1175 #define TEXGEN_OBJ_LINEAR 0x2
1176 #define TEXGEN_EYE_LINEAR 0x4
1177 #define TEXGEN_REFLECTION_MAP_NV 0x8
1178 #define TEXGEN_NORMAL_MAP_NV 0x10
1180 #define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
1181 TEXGEN_REFLECTION_MAP_NV | \
1182 TEXGEN_NORMAL_MAP_NV)
1183 #define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
1184 TEXGEN_REFLECTION_MAP_NV | \
1185 TEXGEN_NORMAL_MAP_NV | \
1190 /* A selection of state flags to make driver and module's lives easier. */
1191 #define ENABLE_TEXGEN0 0x1
1192 #define ENABLE_TEXGEN1 0x2
1193 #define ENABLE_TEXGEN2 0x4
1194 #define ENABLE_TEXGEN3 0x8
1195 #define ENABLE_TEXGEN4 0x10
1196 #define ENABLE_TEXGEN5 0x20
1197 #define ENABLE_TEXGEN6 0x40
1198 #define ENABLE_TEXGEN7 0x80
1200 #define ENABLE_TEXMAT0 0x1 /* Ie. not the identity matrix */
1201 #define ENABLE_TEXMAT1 0x2
1202 #define ENABLE_TEXMAT2 0x4
1203 #define ENABLE_TEXMAT3 0x8
1204 #define ENABLE_TEXMAT4 0x10
1205 #define ENABLE_TEXMAT5 0x20
1206 #define ENABLE_TEXMAT6 0x40
1207 #define ENABLE_TEXMAT7 0x80
1209 #define ENABLE_TEXGEN(i) (ENABLE_TEXGEN0 << (i))
1210 #define ENABLE_TEXMAT(i) (ENABLE_TEXMAT0 << (i))
1214 * Texel fetch function prototype. We use texel fetch functions to
1215 * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
1216 * texture images. These functions help to isolate us from the gritty
1217 * details of all the various texture image encodings.
1219 * \param texImage texture image.
1220 * \param col texel column.
1221 * \param row texel row.
1222 * \param img texel image level/layer.
1223 * \param texelOut output texel (up to 4 GLchans)
1225 typedef void (*FetchTexelFuncC
)( const struct gl_texture_image
*texImage
,
1226 GLint col
, GLint row
, GLint img
,
1230 * As above, but returns floats.
1231 * Used for depth component images and for upcoming signed/float
1234 typedef void (*FetchTexelFuncF
)( const struct gl_texture_image
*texImage
,
1235 GLint col
, GLint row
, GLint img
,
1236 GLfloat
*texelOut
);
1239 typedef void (*StoreTexelFunc
)(struct gl_texture_image
*texImage
,
1240 GLint col
, GLint row
, GLint img
,
1245 * This macro defines the (many) parameters to the texstore functions.
1246 * \param dims either 1 or 2 or 3
1247 * \param baseInternalFormat user-specified base internal format
1248 * \param dstFormat destination Mesa texture format
1249 * \param dstAddr destination image address
1250 * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
1251 * \param dstRowStride destination image row stride, in bytes
1252 * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
1253 * \param srcWidth/Height/Depth source image size, in pixels
1254 * \param srcFormat incoming image format
1255 * \param srcType incoming image data type
1256 * \param srcAddr source image address
1257 * \param srcPacking source image packing parameters
1259 #define TEXSTORE_PARAMS \
1260 GLcontext *ctx, GLuint dims, \
1261 GLenum baseInternalFormat, \
1262 const struct gl_texture_format *dstFormat, \
1264 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
1265 GLint dstRowStride, const GLuint *dstImageOffsets, \
1266 GLint srcWidth, GLint srcHeight, GLint srcDepth, \
1267 GLenum srcFormat, GLenum srcType, \
1268 const GLvoid *srcAddr, \
1269 const struct gl_pixelstore_attrib *srcPacking
1274 * Texture image storage function.
1276 typedef GLboolean (*StoreTexImageFunc
)(TEXSTORE_PARAMS
);
1280 * Texture format record
1282 struct gl_texture_format
1284 GLint MesaFormat
; /**< One of the MESA_FORMAT_* values */
1286 GLenum BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1287 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1288 * GL_INTENSITY, GL_COLOR_INDEX or
1289 * GL_DEPTH_COMPONENT.
1291 GLenum DataType
; /**< GL_FLOAT or GL_UNSIGNED_NORMALIZED_ARB */
1294 * Bits per texel component. These are just rough approximations
1295 * for compressed texture formats.
1302 GLubyte LuminanceBits
;
1303 GLubyte IntensityBits
;
1306 GLubyte StencilBits
; /**< GL_EXT_packed_depth_stencil */
1309 GLuint TexelBytes
; /**< Bytes per texel, 0 if compressed format */
1311 StoreTexImageFunc StoreImage
;
1314 * \name Texel fetch function pointers
1317 FetchTexelFuncC FetchTexel1D
;
1318 FetchTexelFuncC FetchTexel2D
;
1319 FetchTexelFuncC FetchTexel3D
;
1320 FetchTexelFuncF FetchTexel1Df
;
1321 FetchTexelFuncF FetchTexel2Df
;
1322 FetchTexelFuncF FetchTexel3Df
;
1325 StoreTexelFunc StoreTexel
;
1330 * Texture image state. Describes the dimensions of a texture image,
1331 * the texel format and pointers to Texel Fetch functions.
1333 struct gl_texture_image
1335 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
1336 * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
1337 * GL_INTENSITY, GL_COLOR_INDEX,
1338 * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
1339 * only. Used for choosing TexEnv arithmetic.
1341 GLint InternalFormat
; /**< Internal format as given by the user */
1342 GLuint Border
; /**< 0 or 1 */
1343 GLuint Width
; /**< = 2^WidthLog2 + 2*Border */
1344 GLuint Height
; /**< = 2^HeightLog2 + 2*Border */
1345 GLuint Depth
; /**< = 2^DepthLog2 + 2*Border */
1346 GLuint Width2
; /**< = Width - 2*Border */
1347 GLuint Height2
; /**< = Height - 2*Border */
1348 GLuint Depth2
; /**< = Depth - 2*Border */
1349 GLuint WidthLog2
; /**< = log2(Width2) */
1350 GLuint HeightLog2
; /**< = log2(Height2) */
1351 GLuint DepthLog2
; /**< = log2(Depth2) */
1352 GLuint MaxLog2
; /**< = MAX(WidthLog2, HeightLog2) */
1353 GLfloat WidthScale
; /**< used for mipmap LOD computation */
1354 GLfloat HeightScale
; /**< used for mipmap LOD computation */
1355 GLfloat DepthScale
; /**< used for mipmap LOD computation */
1356 GLboolean IsClientData
; /**< Data owned by client? */
1357 GLboolean _IsPowerOfTwo
; /**< Are all dimensions powers of two? */
1359 const struct gl_texture_format
*TexFormat
;
1361 struct gl_texture_object
*TexObject
; /**< Pointer back to parent object */
1363 FetchTexelFuncC FetchTexelc
; /**< GLchan texel fetch function pointer */
1364 FetchTexelFuncF FetchTexelf
; /**< Float texel fetch function pointer */
1366 GLboolean IsCompressed
; /**< GL_ARB_texture_compression */
1367 GLuint CompressedSize
; /**< GL_ARB_texture_compression */
1369 GLuint RowStride
; /**< == Width unless IsClientData and padded */
1370 GLuint
*ImageOffsets
; /**< if 3D texture: array [Depth] of offsets to
1371 each 2D slice in 'Data', in texels */
1372 GLvoid
*Data
; /**< Image data, accessed via FetchTexel() */
1375 * \name For device driver:
1378 void *DriverData
; /**< Arbitrary device driver data */
1384 * Indexes for cube map faces.
1387 #define FACE_POS_X 0
1388 #define FACE_NEG_X 1
1389 #define FACE_POS_Y 2
1390 #define FACE_NEG_Y 3
1391 #define FACE_POS_Z 4
1392 #define FACE_NEG_Z 5
1398 * Texture object state. Contains the array of mipmap images, border color,
1399 * wrap modes, filter modes, shadow/texcompare state, and the per-texture
1402 struct gl_texture_object
1404 GLint RefCount
; /**< reference count */
1405 GLuint Name
; /**< the user-visible texture object ID */
1406 GLenum Target
; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
1407 GLfloat Priority
; /**< in [0,1] */
1408 GLfloat BorderColor
[4]; /**< unclamped */
1409 GLchan _BorderChan
[4]; /**< clamped, as GLchan */
1410 GLenum WrapS
; /**< S-axis texture image wrap mode */
1411 GLenum WrapT
; /**< T-axis texture image wrap mode */
1412 GLenum WrapR
; /**< R-axis texture image wrap mode */
1413 GLenum MinFilter
; /**< minification filter */
1414 GLenum MagFilter
; /**< magnification filter */
1415 GLfloat MinLod
; /**< min lambda, OpenGL 1.2 */
1416 GLfloat MaxLod
; /**< max lambda, OpenGL 1.2 */
1417 GLfloat LodBias
; /**< OpenGL 1.4 */
1418 GLint BaseLevel
; /**< min mipmap level, OpenGL 1.2 */
1419 GLint MaxLevel
; /**< max mipmap level, OpenGL 1.2 */
1420 GLfloat MaxAnisotropy
; /**< GL_EXT_texture_filter_anisotropic */
1421 GLboolean CompareFlag
; /**< GL_SGIX_shadow */
1422 GLenum CompareOperator
; /**< GL_SGIX_shadow */
1423 GLfloat ShadowAmbient
; /**< GL_ARB_shadow_ambient */
1424 GLenum CompareMode
; /**< GL_ARB_shadow */
1425 GLenum CompareFunc
; /**< GL_ARB_shadow */
1426 GLenum _Function
; /**< Comparison function derived from
1427 * \c CompareOperator, \c CompareMode, and
1430 GLenum DepthMode
; /**< GL_ARB_depth_texture */
1431 GLint _MaxLevel
; /**< actual max mipmap level (q in the spec) */
1432 GLfloat _MaxLambda
; /**< = _MaxLevel - BaseLevel (q - b in spec) */
1433 GLboolean GenerateMipmap
; /**< GL_SGIS_generate_mipmap */
1434 GLboolean _Complete
; /**< Is texture object complete? */
1436 /** Actual texture images, indexed by [cube face] and [mipmap level] */
1437 struct gl_texture_image
*Image
[MAX_FACES
][MAX_TEXTURE_LEVELS
];
1439 /** GL_EXT_paletted_texture */
1440 struct gl_color_table Palette
;
1444 * \name For device driver.
1445 * Note: instead of attaching driver data to this pointer, it's preferable
1446 * to instead use this struct as a base class for your own texture object
1447 * class. Driver->NewTextureObject() can be used to implement the
1450 void *DriverData
; /**< Arbitrary device driver data */
1455 * Texture combine environment state.
1458 * If GL_NV_texture_env_combine4 is ever supported, the arrays in this
1459 * structure will need to be expanded for 4 elements.
1461 struct gl_tex_env_combine_state
1463 GLenum ModeRGB
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1464 GLenum ModeA
; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
1465 GLenum SourceRGB
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1466 GLenum SourceA
[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */
1467 GLenum OperandRGB
[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */
1468 GLenum OperandA
[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */
1469 GLuint ScaleShiftRGB
; /**< 0, 1 or 2 */
1470 GLuint ScaleShiftA
; /**< 0, 1 or 2 */
1471 GLuint _NumArgsRGB
; /**< Number of inputs used for the combine mode. */
1472 GLuint _NumArgsA
; /**< Number of inputs used for the combine mode. */
1477 * Texture unit state. Contains enable flags, texture environment/function/
1478 * combiners, texgen state, pointers to current texture objects and
1479 * post-filter color tables.
1481 struct gl_texture_unit
1483 GLbitfield Enabled
; /**< bitmask of TEXTURE_*_BIT flags */
1484 GLbitfield _ReallyEnabled
; /**< 0 or exactly one of TEXTURE_*_BIT flags */
1486 GLenum EnvMode
; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
1487 GLfloat EnvColor
[4];
1488 GLbitfield TexGenEnabled
; /**< Bitwise-OR of [STRQ]_BIT values */
1489 /** \name Tex coord generation mode
1490 * Either GL_OBJECT_LINEAR, GL_EYE_LINEAR or GL_SPHERE_MAP. */
1497 GLbitfield _GenBitS
;
1498 GLbitfield _GenBitT
;
1499 GLbitfield _GenBitR
;
1500 GLbitfield _GenBitQ
;
1501 GLbitfield _GenFlags
; /**< bitwise or of _GenBit[STRQ] */
1502 GLfloat ObjectPlaneS
[4];
1503 GLfloat ObjectPlaneT
[4];
1504 GLfloat ObjectPlaneR
[4];
1505 GLfloat ObjectPlaneQ
[4];
1506 GLfloat EyePlaneS
[4];
1507 GLfloat EyePlaneT
[4];
1508 GLfloat EyePlaneR
[4];
1509 GLfloat EyePlaneQ
[4];
1510 GLfloat LodBias
; /**< for biasing mipmap levels */
1513 * \name GL_EXT_texture_env_combine
1515 struct gl_tex_env_combine_state Combine
;
1518 * Derived state based on \c EnvMode and the \c BaseFormat of the
1519 * currently enabled texture.
1521 struct gl_tex_env_combine_state _EnvMode
;
1524 * Currently enabled combiner state. This will point to either
1525 * \c Combine or \c _EnvMode.
1527 struct gl_tex_env_combine_state
*_CurrentCombine
;
1529 struct gl_texture_object
*Current1D
;
1530 struct gl_texture_object
*Current2D
;
1531 struct gl_texture_object
*Current3D
;
1532 struct gl_texture_object
*CurrentCubeMap
; /**< GL_ARB_texture_cube_map */
1533 struct gl_texture_object
*CurrentRect
; /**< GL_NV_texture_rectangle */
1534 struct gl_texture_object
*Current1DArray
; /**< GL_MESA_texture_array */
1535 struct gl_texture_object
*Current2DArray
; /**< GL_MESA_texture_array */
1537 struct gl_texture_object
*_Current
; /**< Points to really enabled tex obj */
1539 /** These are used for glPush/PopAttrib */
1541 struct gl_texture_object Saved1D
;
1542 struct gl_texture_object Saved2D
;
1543 struct gl_texture_object Saved3D
;
1544 struct gl_texture_object SavedCubeMap
;
1545 struct gl_texture_object SavedRect
;
1546 struct gl_texture_object Saved1DArray
;
1547 struct gl_texture_object Saved2DArray
;
1550 /** GL_SGI_texture_color_table */
1552 struct gl_color_table ColorTable
;
1553 struct gl_color_table ProxyColorTable
;
1554 GLboolean ColorTableEnabled
;
1558 struct texenvprog_cache_item
{
1561 struct gl_fragment_program
*data
;
1562 struct texenvprog_cache_item
*next
;
1565 struct texenvprog_cache
{
1566 struct texenvprog_cache_item
**items
;
1567 GLuint size
, n_items
;
1572 * Texture attribute group (GL_TEXTURE_BIT).
1574 struct gl_texture_attrib
1580 GLuint CurrentUnit
; /**< Active texture unit */
1581 GLbitfield _EnabledUnits
; /**< one bit set for each really-enabled unit */
1582 GLbitfield _EnabledCoordUnits
; /**< one bit per enabled coordinate unit */
1583 GLbitfield _GenFlags
; /**< for texgen */
1584 GLbitfield _TexGenEnabled
;
1585 GLbitfield _TexMatEnabled
;
1588 struct gl_texture_unit Unit
[MAX_TEXTURE_UNITS
];
1590 struct gl_texture_object
*Proxy1D
;
1591 struct gl_texture_object
*Proxy2D
;
1592 struct gl_texture_object
*Proxy3D
;
1593 struct gl_texture_object
*ProxyCubeMap
;
1594 struct gl_texture_object
*ProxyRect
;
1595 struct gl_texture_object
*Proxy1DArray
;
1596 struct gl_texture_object
*Proxy2DArray
;
1598 /** GL_EXT_shared_texture_palette */
1599 GLboolean SharedPalette
;
1600 struct gl_color_table Palette
;
1602 /** Cached texenv fragment programs */
1603 struct texenvprog_cache env_fp_cache
;
1608 * Transformation attribute group (GL_TRANSFORM_BIT).
1610 struct gl_transform_attrib
1612 GLenum MatrixMode
; /**< Matrix mode */
1613 GLfloat EyeUserPlane
[MAX_CLIP_PLANES
][4]; /**< User clip planes */
1614 GLfloat _ClipUserPlane
[MAX_CLIP_PLANES
][4]; /**< derived */
1615 GLbitfield ClipPlanesEnabled
; /**< on/off bitmask */
1616 GLboolean Normalize
; /**< Normalize all normals? */
1617 GLboolean RescaleNormals
; /**< GL_EXT_rescale_normal */
1618 GLboolean RasterPositionUnclipped
; /**< GL_IBM_rasterpos_clip */
1620 GLboolean CullVertexFlag
; /**< True if GL_CULL_VERTEX_EXT is enabled */
1621 GLfloat CullEyePos
[4];
1622 GLfloat CullObjPos
[4];
1627 * Viewport attribute group (GL_VIEWPORT_BIT).
1629 struct gl_viewport_attrib
1631 GLint X
, Y
; /**< position */
1632 GLsizei Width
, Height
; /**< size */
1633 GLfloat Near
, Far
; /**< Depth buffer range */
1634 GLmatrix _WindowMap
; /**< Mapping transformation as a matrix. */
1639 * Node for the attribute stack.
1641 struct gl_attrib_node
1645 struct gl_attrib_node
*next
;
1650 * GL_ARB_vertex/pixel_buffer_object buffer object
1652 struct gl_buffer_object
1658 GLvoid
*Pointer
; /**< Only valid while buffer is mapped */
1659 GLsizeiptrARB Size
; /**< Size of storage in bytes */
1660 GLubyte
*Data
; /**< Location of storage either in RAM or VRAM. */
1661 GLboolean OnCard
; /**< Is buffer in VRAM? (hardware drivers) */
1667 * Client pixel packing/unpacking attributes
1669 struct gl_pixelstore_attrib
1675 GLint ImageHeight
; /**< for GL_EXT_texture3D */
1676 GLint SkipImages
; /**< for GL_EXT_texture3D */
1677 GLboolean SwapBytes
;
1679 GLboolean ClientStorage
; /**< GL_APPLE_client_storage */
1680 GLboolean Invert
; /**< GL_MESA_pack_invert */
1681 struct gl_buffer_object
*BufferObj
; /**< GL_ARB_pixel_buffer_object */
1687 * Client vertex array attributes
1689 struct gl_client_array
1691 GLint Size
; /**< components per element (1,2,3,4) */
1692 GLenum Type
; /**< datatype: GL_FLOAT, GL_INT, etc */
1693 GLsizei Stride
; /**< user-specified stride */
1694 GLsizei StrideB
; /**< actual stride in bytes */
1695 const GLubyte
*Ptr
; /**< Points to array data */
1696 GLboolean Enabled
; /**< Enabled flag is a boolean */
1697 GLboolean Normalized
; /**< GL_ARB_vertex_program */
1699 /**< GL_ARB_vertex_buffer_object */
1700 struct gl_buffer_object
*BufferObj
;
1706 * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
1707 * extension, but a nice encapsulation in any case.
1709 struct gl_array_object
1711 /** Name of the array object as received from glGenVertexArrayAPPLE. */
1714 /** Conventional vertex arrays */
1716 struct gl_client_array Vertex
;
1717 struct gl_client_array Normal
;
1718 struct gl_client_array Color
;
1719 struct gl_client_array SecondaryColor
;
1720 struct gl_client_array FogCoord
;
1721 struct gl_client_array Index
;
1722 struct gl_client_array EdgeFlag
;
1723 struct gl_client_array TexCoord
[MAX_TEXTURE_COORD_UNITS
];
1726 /** Generic arrays for vertex programs/shaders */
1727 struct gl_client_array VertexAttrib
[VERT_ATTRIB_MAX
];
1729 /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
1730 GLbitfield _Enabled
;
1735 * Vertex array state
1737 struct gl_array_attrib
1739 struct gl_array_object
*ArrayObj
;
1740 struct gl_array_object
*DefaultArrayObj
;
1742 GLint ActiveTexture
; /**< Client Active Texture */
1743 GLuint LockFirst
; /**< GL_EXT_compiled_vertex_array */
1744 GLuint LockCount
; /**< GL_EXT_compiled_vertex_array */
1746 GLbitfield NewState
; /**< mask of _NEW_ARRAY_* values */
1748 #if FEATURE_ARB_vertex_buffer_object
1749 struct gl_buffer_object
*NullBufferObj
;
1750 struct gl_buffer_object
*ArrayBufferObj
;
1751 struct gl_buffer_object
*ElementArrayBufferObj
;
1753 GLuint _MaxElement
; /* Min of all enabled array's maxes */
1758 * Feedback buffer state
1763 GLbitfield _Mask
; /* FB_* bits */
1771 * Selection buffer state
1775 GLuint
*Buffer
; /**< selection buffer */
1776 GLuint BufferSize
; /**< size of the selection buffer */
1777 GLuint BufferCount
; /**< number of values in the selection buffer */
1778 GLuint Hits
; /**< number of records in the selection buffer */
1779 GLuint NameStackDepth
; /**< name stack depth */
1780 GLuint NameStack
[MAX_NAME_STACK_DEPTH
]; /**< name stack */
1781 GLboolean HitFlag
; /**< hit flag */
1782 GLfloat HitMinZ
; /**< minimum hit depth */
1783 GLfloat HitMaxZ
; /**< maximum hit depth */
1788 * 1-D Evaluator control points
1792 GLuint Order
; /**< Number of control points */
1793 GLfloat u1
, u2
, du
; /**< u1, u2, 1.0/(u2-u1) */
1794 GLfloat
*Points
; /**< Points to contiguous control points */
1799 * 2-D Evaluator control points
1803 GLuint Uorder
; /**< Number of control points in U dimension */
1804 GLuint Vorder
; /**< Number of control points in V dimension */
1807 GLfloat
*Points
; /**< Points to contiguous control points */
1812 * All evaluator control point state
1814 struct gl_evaluators
1820 struct gl_1d_map Map1Vertex3
;
1821 struct gl_1d_map Map1Vertex4
;
1822 struct gl_1d_map Map1Index
;
1823 struct gl_1d_map Map1Color4
;
1824 struct gl_1d_map Map1Normal
;
1825 struct gl_1d_map Map1Texture1
;
1826 struct gl_1d_map Map1Texture2
;
1827 struct gl_1d_map Map1Texture3
;
1828 struct gl_1d_map Map1Texture4
;
1829 struct gl_1d_map Map1Attrib
[16]; /**< GL_NV_vertex_program */
1836 struct gl_2d_map Map2Vertex3
;
1837 struct gl_2d_map Map2Vertex4
;
1838 struct gl_2d_map Map2Index
;
1839 struct gl_2d_map Map2Color4
;
1840 struct gl_2d_map Map2Normal
;
1841 struct gl_2d_map Map2Texture1
;
1842 struct gl_2d_map Map2Texture2
;
1843 struct gl_2d_map Map2Texture3
;
1844 struct gl_2d_map Map2Texture4
;
1845 struct gl_2d_map Map2Attrib
[16]; /**< GL_NV_vertex_program */
1851 * Names of the various vertex/fragment program register files, etc.
1853 * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
1854 * All values should fit in a 4-bit field.
1856 * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
1857 * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
1858 * be "uniform" variables since they can only be set outside glBegin/End.
1859 * They're also all stored in the same Parameters array.
1863 PROGRAM_TEMPORARY
= 0, /**< machine->Temporary[] */
1864 PROGRAM_LOCAL_PARAM
= 1, /**< gl_program->LocalParams[] */
1865 PROGRAM_ENV_PARAM
= 2, /**< gl_program->Parameters[] */
1866 PROGRAM_STATE_VAR
= 3, /**< gl_program->Parameters[] */
1867 PROGRAM_INPUT
= 4, /**< machine->Inputs[] */
1868 PROGRAM_OUTPUT
= 5, /**< machine->Outputs[] */
1869 PROGRAM_NAMED_PARAM
= 6, /**< gl_program->Parameters[] */
1870 PROGRAM_CONSTANT
= 7, /**< gl_program->Parameters[] */
1871 PROGRAM_UNIFORM
= 8, /**< gl_program->Parameters[] */
1872 PROGRAM_VARYING
= 9, /**< machine->Inputs[]/Outputs[] */
1873 PROGRAM_WRITE_ONLY
= 10, /**< A dummy, write-only register */
1874 PROGRAM_ADDRESS
= 11, /**< machine->AddressReg */
1875 PROGRAM_SAMPLER
= 12, /**< for shader samplers, compile-time only */
1876 PROGRAM_UNDEFINED
= 13, /**< Invalid value */
1881 /** Vertex and fragment instructions */
1882 struct prog_instruction
;
1883 struct gl_program_parameter_list
;
1887 * Base class for any kind of program object
1892 GLubyte
*String
; /**< Null-terminated program text */
1894 GLenum Target
; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
1895 GLenum Format
; /**< String encoding format */
1898 struct prog_instruction
*Instructions
;
1900 GLbitfield InputsRead
; /**< Bitmask of which input regs are read */
1901 GLbitfield OutputsWritten
; /**< Bitmask of which output regs are written to */
1902 GLbitfield TexturesUsed
[MAX_TEXTURE_IMAGE_UNITS
]; /**< TEXTURE_x_BIT bitmask */
1903 GLbitfield ShadowSamplers
; /**< Texture units used for shadow sampling. */
1905 /** Named parameters, constants, etc. from program text */
1906 struct gl_program_parameter_list
*Parameters
;
1907 /** Numbered local parameters */
1908 GLfloat LocalParams
[MAX_PROGRAM_LOCAL_PARAMS
][4];
1910 /** Vertex/fragment shader varying vars */
1911 struct gl_program_parameter_list
*Varying
;
1912 /** Vertex program user-defined attributes */
1913 struct gl_program_parameter_list
*Attributes
;
1915 /** Logical counts */
1917 GLuint NumInstructions
;
1918 GLuint NumTemporaries
;
1919 GLuint NumParameters
;
1920 GLuint NumAttributes
;
1921 GLuint NumAddressRegs
;
1922 GLuint NumAluInstructions
;
1923 GLuint NumTexInstructions
;
1924 GLuint NumTexIndirections
;
1926 /** Native, actual h/w counts */
1928 GLuint NumNativeInstructions
;
1929 GLuint NumNativeTemporaries
;
1930 GLuint NumNativeParameters
;
1931 GLuint NumNativeAttributes
;
1932 GLuint NumNativeAddressRegs
;
1933 GLuint NumNativeAluInstructions
;
1934 GLuint NumNativeTexInstructions
;
1935 GLuint NumNativeTexIndirections
;
1940 /** Vertex program object */
1941 struct gl_vertex_program
1943 struct gl_program Base
; /**< base class */
1944 GLboolean IsNVProgram
; /**< is this a GL_NV_vertex_program program? */
1945 GLboolean IsPositionInvariant
;
1946 void *TnlData
; /**< should probably use Base.DriverData */
1950 /** Fragment program object */
1951 struct gl_fragment_program
1953 struct gl_program Base
; /**< base class */
1960 * State common to vertex and fragment programs.
1962 struct gl_program_state
1964 GLint ErrorPos
; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
1965 const char *ErrorString
; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
1970 * Context state for vertex programs.
1972 struct gl_vertex_program_state
1974 GLboolean Enabled
; /**< GL_VERTEX_PROGRAM_ARB/NV */
1975 GLboolean _Enabled
; /**< Enabled and valid program? */
1976 GLboolean PointSizeEnabled
; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
1977 GLboolean TwoSideEnabled
; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
1978 struct gl_vertex_program
*Current
; /**< user-bound vertex program */
1980 /** Currently enabled and valid program (including internal programs
1981 * and compiled shader programs).
1983 struct gl_vertex_program
*_Current
;
1985 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
1987 /* For GL_NV_vertex_program only: */
1988 GLenum TrackMatrix
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1989 GLenum TrackMatrixTransform
[MAX_PROGRAM_ENV_PARAMS
/ 4];
1991 /** Should fixed-function T&L be implemented with a vertex prog? */
1992 GLboolean _MaintainTnlProgram
;
1994 /** Program to emulate fixed-function T&L (see above) */
1995 struct gl_vertex_program
*_TnlProgram
;
1997 #if FEATURE_MESA_program_debug
1998 GLprogramcallbackMESA Callback
;
1999 GLvoid
*CallbackData
;
2000 GLboolean CallbackEnabled
;
2001 GLuint CurrentPosition
;
2007 * Context state for fragment programs.
2009 struct gl_fragment_program_state
2011 GLboolean Enabled
; /**< User-set fragment program enable flag */
2012 GLboolean _Enabled
; /**< Fragment program enabled and valid? */
2014 struct gl_fragment_program
*Current
; /**< User-bound fragment program */
2016 /** Currently enabled and valid program (including internal programs
2017 * and compiled shader programs).
2019 struct gl_fragment_program
*_Current
;
2021 GLfloat Parameters
[MAX_PROGRAM_ENV_PARAMS
][4]; /**< Env params */
2023 /** Should fixed-function texturing be implemented with a fragment prog? */
2024 GLboolean _MaintainTexEnvProgram
;
2025 GLboolean _UseTexEnvProgram
;
2027 /** Program to emulate fixed-function texture env/combine (see above) */
2028 struct gl_fragment_program
*_TexEnvProgram
;
2030 #if FEATURE_MESA_program_debug
2031 GLprogramcallbackMESA Callback
;
2032 GLvoid
*CallbackData
;
2033 GLboolean CallbackEnabled
;
2034 GLuint CurrentPosition
;
2040 * ATI_fragment_shader runtime state
2042 #define ATI_FS_INPUT_PRIMARY 0
2043 #define ATI_FS_INPUT_SECONDARY 1
2045 struct atifs_instruction
;
2046 struct atifs_setupinst
;
2049 * ATI fragment shader
2051 struct ati_fragment_shader
2055 struct atifs_instruction
*Instructions
[2];
2056 struct atifs_setupinst
*SetupInst
[2];
2057 GLfloat Constants
[8][4];
2058 GLbitfield LocalConstDef
; /** Indicates which constants have been set */
2059 GLubyte numArithInstr
[2];
2060 GLubyte regsAssigned
[2];
2061 GLubyte NumPasses
; /** 1 or 2 */
2063 GLubyte last_optype
;
2064 GLboolean interpinp1
;
2070 * Context state for GL_ATI_fragment_shader
2072 struct gl_ati_fragment_shader_state
2075 GLboolean _Enabled
; /** enabled and valid shader? */
2076 GLboolean Compiling
;
2077 GLfloat GlobalConstants
[8][4];
2078 struct ati_fragment_shader
*Current
;
2083 * Occlusion/timer query object.
2085 struct gl_query_object
2088 GLuint64EXT Result
; /* the counter */
2089 GLboolean Active
; /* inside Begin/EndQuery */
2090 GLboolean Ready
; /* result is ready */
2095 * Context state for query objects.
2097 struct gl_query_state
2099 struct _mesa_HashTable
*QueryObjects
;
2100 struct gl_query_object
*CurrentOcclusionObject
; /* GL_ARB_occlusion_query */
2101 struct gl_query_object
*CurrentTimerObject
; /* GL_EXT_timer_query */
2107 * A GLSL shader object.
2111 GLenum Type
; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */
2112 GLuint Name
; /**< AKA the handle */
2113 GLint RefCount
; /**< Reference count */
2114 GLboolean DeletePending
;
2116 const GLchar
*Source
; /**< Source code string */
2117 GLboolean CompileStatus
;
2118 GLuint NumPrograms
; /**< size of Programs[] array */
2119 struct gl_program
**Programs
; /**< Post-compile assembly code */
2125 * A GLSL program object. Basically a linked collection of "shaders".
2127 struct gl_shader_program
2129 GLenum Type
; /**< Always GL_SHADER_PROGRAM (internal token) */
2130 GLuint Name
; /**< aka handle or ID */
2131 GLint RefCount
; /**< Reference count */
2132 GLboolean DeletePending
;
2134 GLuint NumShaders
; /**< number of attached shaders */
2135 struct gl_shader
**Shaders
; /**< List of attached the shaders */
2137 /* post-link info: */
2138 struct gl_vertex_program
*VertexProgram
; /**< Linked vertex program */
2139 struct gl_fragment_program
*FragmentProgram
; /**< Linked fragment prog */
2140 struct gl_program_parameter_list
*Uniforms
; /**< Plus constants, etc */
2141 struct gl_program_parameter_list
*Varying
;
2142 struct gl_program_parameter_list
*Attributes
; /**< Vertex attributes */
2143 GLboolean LinkStatus
; /**< GL_LINK_STATUS */
2144 GLboolean Validated
;
2150 * Context state for GLSL vertex/fragment shaders.
2152 struct gl_shader_state
2154 struct gl_shader_program
*CurrentProgram
; /**< The user-bound program */
2155 /** Driver-selectable options: */
2156 GLboolean EmitHighLevelInstructions
; /**< IF/ELSE/ENDIF vs. BRA, etc. */
2157 GLboolean EmitCondCodes
; /**< Use condition codes? */
2158 GLboolean EmitComments
; /**< Annotated instructions */
2164 * State which can be shared by multiple contexts:
2166 struct gl_shared_state
2168 _glthread_Mutex Mutex
; /**< for thread safety */
2169 GLint RefCount
; /**< Reference count */
2170 struct _mesa_HashTable
*DisplayList
; /**< Display lists hash table */
2171 struct _mesa_HashTable
*TexObjects
; /**< Texture objects hash table */
2174 * \name Default texture objects (shared by all multi-texture units)
2177 struct gl_texture_object
*Default1D
;
2178 struct gl_texture_object
*Default2D
;
2179 struct gl_texture_object
*Default3D
;
2180 struct gl_texture_object
*DefaultCubeMap
;
2181 struct gl_texture_object
*DefaultRect
;
2182 struct gl_texture_object
*Default1DArray
;
2183 struct gl_texture_object
*Default2DArray
;
2187 * \name Thread safety and statechange notification for texture
2190 * \todo Improve the granularity of locking.
2193 _glthread_Mutex TexMutex
; /**< texobj thread safety */
2194 GLuint TextureStateStamp
; /**< state notification for shared tex */
2199 * \name Vertex/fragment programs
2202 struct _mesa_HashTable
*Programs
; /**< All vertex/fragment programs */
2203 #if FEATURE_ARB_vertex_program
2204 struct gl_program
*DefaultVertexProgram
;
2206 #if FEATURE_ARB_fragment_program
2207 struct gl_program
*DefaultFragmentProgram
;
2211 #if FEATURE_ATI_fragment_shader
2212 struct _mesa_HashTable
*ATIShaders
;
2213 struct ati_fragment_shader
*DefaultFragmentShader
;
2216 #if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
2217 struct _mesa_HashTable
*BufferObjects
;
2220 #if FEATURE_ARB_shader_objects
2221 /** Table of both gl_shader and gl_shader_program objects */
2222 struct _mesa_HashTable
*ShaderObjects
;
2225 #if FEATURE_EXT_framebuffer_object
2226 struct _mesa_HashTable
*RenderBuffers
;
2227 struct _mesa_HashTable
*FrameBuffers
;
2230 /** Objects associated with the GL_APPLE_vertex_array_object extension. */
2231 struct _mesa_HashTable
*ArrayObjects
;
2233 void *DriverData
; /**< Device driver shared state */
2240 * A renderbuffer stores colors or depth values or stencil values.
2241 * A framebuffer object will have a collection of these.
2242 * Data are read/written to the buffer with a handful of Get/Put functions.
2244 * Instances of this object are allocated with the Driver's NewRenderbuffer
2245 * hook. Drivers will likely wrap this class inside a driver-specific
2246 * class to simulate inheritance.
2248 struct gl_renderbuffer
2250 #define RB_MAGIC 0xaabbccdd
2251 int Magic
; /** XXX TEMPORARY DEBUG INFO */
2252 _glthread_Mutex Mutex
; /**< for thread safety */
2253 GLuint ClassID
; /**< Useful for drivers */
2256 GLuint Width
, Height
;
2257 GLenum InternalFormat
; /**< The user-specified format */
2258 GLenum _ActualFormat
; /**< The driver-chosen format */
2259 GLenum _BaseFormat
; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
2260 GL_STENCIL_INDEX. */
2261 GLenum DataType
; /**< Type of values passed to the Get/Put functions */
2262 GLubyte RedBits
; /**< Bits of red per pixel */
2268 GLubyte StencilBits
;
2269 GLvoid
*Data
; /**< This may not be used by some kinds of RBs */
2271 /* Used to wrap one renderbuffer around another: */
2272 struct gl_renderbuffer
*Wrapped
;
2274 /* Delete this renderbuffer */
2275 void (*Delete
)(struct gl_renderbuffer
*rb
);
2277 /* Allocate new storage for this renderbuffer */
2278 GLboolean (*AllocStorage
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2279 GLenum internalFormat
,
2280 GLuint width
, GLuint height
);
2282 /* Lock/Unlock are called before/after calling the Get/Put functions.
2283 * Not sure this is the right place for these yet.
2284 void (*Lock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2285 void (*Unlock)(GLcontext *ctx, struct gl_renderbuffer *rb);
2288 /* Return a pointer to the element/pixel at (x,y).
2289 * Should return NULL if the buffer memory can't be directly addressed.
2291 void *(*GetPointer
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2294 /* Get/Read a row of values.
2295 * The values will be of format _BaseFormat and type DataType.
2297 void (*GetRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2298 GLint x
, GLint y
, void *values
);
2300 /* Get/Read values at arbitrary locations.
2301 * The values will be of format _BaseFormat and type DataType.
2303 void (*GetValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2304 const GLint x
[], const GLint y
[], void *values
);
2306 /* Put/Write a row of values.
2307 * The values will be of format _BaseFormat and type DataType.
2309 void (*PutRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2310 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2312 /* Put/Write a row of RGB values. This is a special-case routine that's
2313 * only used for RGBA renderbuffers when the source data is GL_RGB. That's
2314 * a common case for glDrawPixels and some triangle routines.
2315 * The values will be of format GL_RGB and type DataType.
2317 void (*PutRowRGB
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2318 GLint x
, GLint y
, const void *values
, const GLubyte
*mask
);
2321 /* Put/Write a row of identical values.
2322 * The values will be of format _BaseFormat and type DataType.
2324 void (*PutMonoRow
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2325 GLint x
, GLint y
, const void *value
, const GLubyte
*mask
);
2327 /* Put/Write values at arbitrary locations.
2328 * The values will be of format _BaseFormat and type DataType.
2330 void (*PutValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
, GLuint count
,
2331 const GLint x
[], const GLint y
[], const void *values
,
2332 const GLubyte
*mask
);
2333 /* Put/Write identical values at arbitrary locations.
2334 * The values will be of format _BaseFormat and type DataType.
2336 void (*PutMonoValues
)(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
2337 GLuint count
, const GLint x
[], const GLint y
[],
2338 const void *value
, const GLubyte
*mask
);
2343 * A renderbuffer attachment point points to either a texture object
2344 * (and specifies a mipmap level, cube face or 3D texture slice) or
2345 * points to a renderbuffer.
2347 struct gl_renderbuffer_attachment
2349 GLenum Type
; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
2353 * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
2354 * application supplied renderbuffer object.
2356 struct gl_renderbuffer
*Renderbuffer
;
2359 * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
2360 * supplied texture object.
2362 struct gl_texture_object
*Texture
;
2363 GLuint TextureLevel
; /**< Attached mipmap level. */
2364 GLuint CubeMapFace
; /**< 0 .. 5, for cube map textures. */
2365 GLuint Zoffset
; /**< Slice for 3D textures, or layer for both 1D
2366 * and 2D array textures */
2371 * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
2372 * In C++ terms, think of this as a base class from which device drivers
2373 * will make derived classes.
2375 struct gl_framebuffer
2377 _glthread_Mutex Mutex
; /**< for thread safety */
2378 GLuint Name
; /* if zero, this is a window system framebuffer */
2380 GLboolean DeletePending
;
2382 GLvisual Visual
; /**< The framebuffer's visual.
2383 Immutable if this is a window system buffer.
2384 Computed from attachments if user-made FBO. */
2386 GLboolean Initialized
;
2388 GLuint Width
, Height
; /**< size of frame buffer in pixels */
2390 /** \name Drawing bounds (Intersection of buffer size and scissor box) */
2392 GLint _Xmin
, _Xmax
; /**< inclusive */
2393 GLint _Ymin
, _Ymax
; /**< exclusive */
2396 /** \name Derived Z buffer stuff */
2398 GLuint _DepthMax
; /**< Max depth buffer value */
2399 GLfloat _DepthMaxF
; /**< Float max depth buffer value */
2400 GLfloat _MRD
; /**< minimum resolvable difference in Z values */
2403 GLenum _Status
; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
2405 /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
2406 struct gl_renderbuffer_attachment Attachment
[BUFFER_COUNT
];
2408 /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
2409 * attribute group and GL_PIXEL attribute group, respectively.
2411 GLenum ColorDrawBuffer
[MAX_DRAW_BUFFERS
];
2412 GLenum ColorReadBuffer
;
2414 /* These are computed from ColorDrawBuffer and ColorReadBuffer */
2415 GLbitfield _ColorDrawBufferMask
[MAX_DRAW_BUFFERS
]; /* Mask of BUFFER_BIT_* flags */
2416 GLint _ColorReadBufferIndex
; /* -1 = None */
2418 /* These are computed from _ColorDrawBufferMask and _ColorReadBufferIndex */
2419 GLuint _NumColorDrawBuffers
[MAX_DRAW_BUFFERS
];
2420 struct gl_renderbuffer
*_ColorDrawBuffers
[MAX_DRAW_BUFFERS
][4];
2421 struct gl_renderbuffer
*_ColorReadBuffer
;
2423 /** The Actual depth/stencil buffers to use. May be wrappers around the
2424 * depth/stencil buffers attached above. */
2425 struct gl_renderbuffer
*_DepthBuffer
;
2426 struct gl_renderbuffer
*_StencilBuffer
;
2428 /** Delete this framebuffer */
2429 void (*Delete
)(struct gl_framebuffer
*fb
);
2434 * Limits for vertex and fragment programs.
2436 struct gl_program_constants
2438 /* logical limits */
2439 GLuint MaxInstructions
;
2440 GLuint MaxAluInstructions
; /* fragment programs only, for now */
2441 GLuint MaxTexInstructions
; /* fragment programs only, for now */
2442 GLuint MaxTexIndirections
; /* fragment programs only, for now */
2445 GLuint MaxAddressRegs
; /* vertex program only, for now */
2446 GLuint MaxParameters
;
2447 GLuint MaxLocalParams
;
2448 GLuint MaxEnvParams
;
2449 /* native/hardware limits */
2450 GLuint MaxNativeInstructions
;
2451 GLuint MaxNativeAluInstructions
; /* fragment programs only, for now */
2452 GLuint MaxNativeTexInstructions
; /* fragment programs only, for now */
2453 GLuint MaxNativeTexIndirections
; /* fragment programs only, for now */
2454 GLuint MaxNativeAttribs
;
2455 GLuint MaxNativeTemps
;
2456 GLuint MaxNativeAddressRegs
; /* vertex program only, for now */
2457 GLuint MaxNativeParameters
;
2459 GLuint MaxUniformComponents
;
2464 * Constants which may be overridden by device driver during context creation
2465 * but are never changed after that.
2469 GLint MaxTextureLevels
; /**< Maximum number of allowed mipmap levels. */
2470 GLint Max3DTextureLevels
; /**< Maximum number of allowed mipmap levels for 3D texture targets. */
2471 GLint MaxCubeTextureLevels
; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */
2472 GLint MaxArrayTextureLayers
; /**< Maximum number of layers in an array texture. */
2473 GLint MaxTextureRectSize
; /* GL_NV_texture_rectangle */
2474 GLuint MaxTextureCoordUnits
;
2475 GLuint MaxTextureImageUnits
;
2476 GLuint MaxTextureUnits
; /* = MIN(CoordUnits, ImageUnits) */
2477 GLfloat MaxTextureMaxAnisotropy
; /* GL_EXT_texture_filter_anisotropic */
2478 GLfloat MaxTextureLodBias
; /* GL_EXT_texture_lod_bias */
2479 GLuint MaxArrayLockSize
;
2481 GLfloat MinPointSize
, MaxPointSize
; /* aliased */
2482 GLfloat MinPointSizeAA
, MaxPointSizeAA
; /* antialiased */
2483 GLfloat PointSizeGranularity
;
2484 GLfloat MinLineWidth
, MaxLineWidth
; /* aliased */
2485 GLfloat MinLineWidthAA
, MaxLineWidthAA
; /* antialiased */
2486 GLfloat LineWidthGranularity
;
2487 GLuint MaxColorTableSize
;
2488 GLuint MaxConvolutionWidth
;
2489 GLuint MaxConvolutionHeight
;
2490 GLuint MaxClipPlanes
;
2492 GLfloat MaxShininess
; /* GL_NV_light_max_exponent */
2493 GLfloat MaxSpotExponent
; /* GL_NV_light_max_exponent */
2494 GLuint MaxViewportWidth
, MaxViewportHeight
;
2495 struct gl_program_constants VertexProgram
; /* GL_ARB_vertex_program */
2496 struct gl_program_constants FragmentProgram
; /* GL_ARB_fragment_program */
2497 /* shared by vertex and fragment program: */
2498 GLuint MaxProgramMatrices
;
2499 GLuint MaxProgramMatrixStackDepth
;
2500 /* vertex array / buffer object bounds checking */
2501 GLboolean CheckArrayBounds
;
2502 /* GL_ARB_draw_buffers */
2503 GLuint MaxDrawBuffers
;
2504 /* GL_OES_read_format */
2505 GLenum ColorReadFormat
;
2506 GLenum ColorReadType
;
2507 /* GL_EXT_framebuffer_object */
2508 GLuint MaxColorAttachments
;
2509 GLuint MaxRenderbufferSize
;
2510 /* GL_ARB_vertex_shader */
2511 GLuint MaxVertexTextureImageUnits
;
2517 * Enable flag for each OpenGL extension. Different device drivers will
2518 * enable different extensions at runtime.
2520 struct gl_extensions
2523 * \name Flags to quickly test if certain extensions are available.
2525 * Not every extension needs to have such a flag, but it's encouraged.
2528 GLboolean dummy
; /* don't remove this! */
2529 GLboolean ARB_depth_texture
;
2530 GLboolean ARB_draw_buffers
;
2531 GLboolean ARB_fragment_program
;
2532 GLboolean ARB_fragment_program_shadow
;
2533 GLboolean ARB_fragment_shader
;
2534 GLboolean ARB_half_float_pixel
;
2535 GLboolean ARB_imaging
;
2536 GLboolean ARB_multisample
;
2537 GLboolean ARB_multitexture
;
2538 GLboolean ARB_occlusion_query
;
2539 GLboolean ARB_point_sprite
;
2540 GLboolean ARB_shader_objects
;
2541 GLboolean ARB_shading_language_100
;
2542 GLboolean ARB_shading_language_120
;
2543 GLboolean ARB_shadow
;
2544 GLboolean ARB_texture_border_clamp
;
2545 GLboolean ARB_texture_compression
;
2546 GLboolean ARB_texture_cube_map
;
2547 GLboolean ARB_texture_env_combine
;
2548 GLboolean ARB_texture_env_crossbar
;
2549 GLboolean ARB_texture_env_dot3
;
2550 GLboolean ARB_texture_float
;
2551 GLboolean ARB_texture_mirrored_repeat
;
2552 GLboolean ARB_texture_non_power_of_two
;
2553 GLboolean ARB_transpose_matrix
;
2554 GLboolean ARB_vertex_buffer_object
;
2555 GLboolean ARB_vertex_program
;
2556 GLboolean ARB_vertex_shader
;
2557 GLboolean ARB_window_pos
;
2560 GLboolean EXT_blend_color
;
2561 GLboolean EXT_blend_equation_separate
;
2562 GLboolean EXT_blend_func_separate
;
2563 GLboolean EXT_blend_logic_op
;
2564 GLboolean EXT_blend_minmax
;
2565 GLboolean EXT_blend_subtract
;
2566 GLboolean EXT_clip_volume_hint
;
2567 GLboolean EXT_cull_vertex
;
2568 GLboolean EXT_convolution
;
2569 GLboolean EXT_compiled_vertex_array
;
2570 GLboolean EXT_copy_texture
;
2571 GLboolean EXT_depth_bounds_test
;
2572 GLboolean EXT_draw_range_elements
;
2573 GLboolean EXT_framebuffer_object
;
2574 GLboolean EXT_fog_coord
;
2575 GLboolean EXT_framebuffer_blit
;
2576 GLboolean EXT_gpu_program_parameters
;
2577 GLboolean EXT_histogram
;
2578 GLboolean EXT_multi_draw_arrays
;
2579 GLboolean EXT_paletted_texture
;
2580 GLboolean EXT_packed_depth_stencil
;
2581 GLboolean EXT_packed_pixels
;
2582 GLboolean EXT_pixel_buffer_object
;
2583 GLboolean EXT_point_parameters
;
2584 GLboolean EXT_polygon_offset
;
2585 GLboolean EXT_rescale_normal
;
2586 GLboolean EXT_shadow_funcs
;
2587 GLboolean EXT_secondary_color
;
2588 GLboolean EXT_separate_specular_color
;
2589 GLboolean EXT_shared_texture_palette
;
2590 GLboolean EXT_stencil_wrap
;
2591 GLboolean EXT_stencil_two_side
;
2592 GLboolean EXT_subtexture
;
2593 GLboolean EXT_texture
;
2594 GLboolean EXT_texture_object
;
2595 GLboolean EXT_texture3D
;
2596 GLboolean EXT_texture_compression_s3tc
;
2597 GLboolean EXT_texture_env_add
;
2598 GLboolean EXT_texture_env_combine
;
2599 GLboolean EXT_texture_env_dot3
;
2600 GLboolean EXT_texture_filter_anisotropic
;
2601 GLboolean EXT_texture_lod_bias
;
2602 GLboolean EXT_texture_mirror_clamp
;
2603 GLboolean EXT_texture_sRGB
;
2604 GLboolean EXT_timer_query
;
2605 GLboolean EXT_vertex_array
;
2606 GLboolean EXT_vertex_array_set
;
2607 /* vendor extensions */
2608 GLboolean APPLE_client_storage
;
2609 GLboolean APPLE_packed_pixels
;
2610 GLboolean APPLE_vertex_array_object
;
2611 GLboolean ATI_texture_mirror_once
;
2612 GLboolean ATI_texture_env_combine3
;
2613 GLboolean ATI_fragment_shader
;
2614 GLboolean ATI_separate_stencil
;
2615 GLboolean IBM_rasterpos_clip
;
2616 GLboolean IBM_multimode_draw_arrays
;
2617 GLboolean MESA_pack_invert
;
2618 GLboolean MESA_packed_depth_stencil
;
2619 GLboolean MESA_program_debug
;
2620 GLboolean MESA_resize_buffers
;
2621 GLboolean MESA_ycbcr_texture
;
2622 GLboolean MESA_texture_array
;
2623 GLboolean NV_blend_square
;
2624 GLboolean NV_fragment_program
;
2625 GLboolean NV_light_max_exponent
;
2626 GLboolean NV_point_sprite
;
2627 GLboolean NV_texgen_reflection
;
2628 GLboolean NV_texture_rectangle
;
2629 GLboolean NV_vertex_program
;
2630 GLboolean NV_vertex_program1_1
;
2631 GLboolean OES_read_format
;
2632 GLboolean SGI_color_matrix
;
2633 GLboolean SGI_color_table
;
2634 GLboolean SGI_texture_color_table
;
2635 GLboolean SGIS_generate_mipmap
;
2636 GLboolean SGIS_texture_edge_clamp
;
2637 GLboolean SGIS_texture_lod
;
2638 GLboolean SGIX_depth_texture
;
2639 GLboolean SGIX_shadow
;
2640 GLboolean SGIX_shadow_ambient
; /* or GL_ARB_shadow_ambient */
2641 GLboolean TDFX_texture_compression_FXT1
;
2644 /* The extension string */
2645 const GLubyte
*String
;
2650 * A stack of matrices (projection, modelview, color, texture, etc).
2652 struct gl_matrix_stack
2654 GLmatrix
*Top
; /**< points into Stack */
2655 GLmatrix
*Stack
; /**< array [MaxDepth] of GLmatrix */
2656 GLuint Depth
; /**< 0 <= Depth < MaxDepth */
2657 GLuint MaxDepth
; /**< size of Stack[] array */
2658 GLuint DirtyFlag
; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
2663 * \name Bits for image transfer operations
2665 * \sa __GLcontextRec::ImageTransferState.
2668 #define IMAGE_SCALE_BIAS_BIT 0x1
2669 #define IMAGE_SHIFT_OFFSET_BIT 0x2
2670 #define IMAGE_MAP_COLOR_BIT 0x4
2671 #define IMAGE_COLOR_TABLE_BIT 0x8
2672 #define IMAGE_CONVOLUTION_BIT 0x10
2673 #define IMAGE_POST_CONVOLUTION_SCALE_BIAS 0x20
2674 #define IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT 0x40
2675 #define IMAGE_COLOR_MATRIX_BIT 0x80
2676 #define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100
2677 #define IMAGE_HISTOGRAM_BIT 0x200
2678 #define IMAGE_MIN_MAX_BIT 0x400
2679 #define IMAGE_CLAMP_BIT 0x800 /* extra */
2682 /** Pixel Transfer ops up to convolution */
2683 #define IMAGE_PRE_CONVOLUTION_BITS (IMAGE_SCALE_BIAS_BIT | \
2684 IMAGE_SHIFT_OFFSET_BIT | \
2685 IMAGE_MAP_COLOR_BIT | \
2686 IMAGE_COLOR_TABLE_BIT)
2688 /** Pixel transfer ops after convolution */
2689 #define IMAGE_POST_CONVOLUTION_BITS (IMAGE_POST_CONVOLUTION_SCALE_BIAS | \
2690 IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT | \
2691 IMAGE_COLOR_MATRIX_BIT | \
2692 IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT |\
2693 IMAGE_HISTOGRAM_BIT | \
2699 * \name Bits to indicate what state has changed.
2704 #define _NEW_MODELVIEW 0x1 /**< __GLcontextRec::ModelView */
2705 #define _NEW_PROJECTION 0x2 /**< __GLcontextRec::Projection */
2706 #define _NEW_TEXTURE_MATRIX 0x4 /**< __GLcontextRec::TextureMatrix */
2707 #define _NEW_COLOR_MATRIX 0x8 /**< __GLcontextRec::ColorMatrix */
2708 #define _NEW_ACCUM 0x10 /**< __GLcontextRec::Accum */
2709 #define _NEW_COLOR 0x20 /**< __GLcontextRec::Color */
2710 #define _NEW_DEPTH 0x40 /**< __GLcontextRec::Depth */
2711 #define _NEW_EVAL 0x80 /**< __GLcontextRec::Eval, __GLcontextRec::EvalMap */
2712 #define _NEW_FOG 0x100 /**< __GLcontextRec::Fog */
2713 #define _NEW_HINT 0x200 /**< __GLcontextRec::Hint */
2714 #define _NEW_LIGHT 0x400 /**< __GLcontextRec::Light */
2715 #define _NEW_LINE 0x800 /**< __GLcontextRec::Line */
2716 #define _NEW_PIXEL 0x1000 /**< __GLcontextRec::Pixel */
2717 #define _NEW_POINT 0x2000 /**< __GLcontextRec::Point */
2718 #define _NEW_POLYGON 0x4000 /**< __GLcontextRec::Polygon */
2719 #define _NEW_POLYGONSTIPPLE 0x8000 /**< __GLcontextRec::PolygonStipple */
2720 #define _NEW_SCISSOR 0x10000 /**< __GLcontextRec::Scissor */
2721 #define _NEW_STENCIL 0x20000 /**< __GLcontextRec::Stencil */
2722 #define _NEW_TEXTURE 0x40000 /**< __GLcontextRec::Texture */
2723 #define _NEW_TRANSFORM 0x80000 /**< __GLcontextRec::Transform */
2724 #define _NEW_VIEWPORT 0x100000 /**< __GLcontextRec::Viewport */
2725 #define _NEW_PACKUNPACK 0x200000 /**< __GLcontextRec::Pack, __GLcontextRec::Unpack */
2726 #define _NEW_ARRAY 0x400000 /**< __GLcontextRec::Array */
2727 #define _NEW_RENDERMODE 0x800000 /**< __GLcontextRec::RenderMode, __GLcontextRec::Feedback, __GLcontextRec::Select */
2728 #define _NEW_BUFFERS 0x1000000 /**< __GLcontextRec::Visual, __GLcontextRec::DrawBuffer, */
2729 #define _NEW_MULTISAMPLE 0x2000000 /**< __GLcontextRec::Multisample */
2730 #define _NEW_TRACK_MATRIX 0x4000000 /**< __GLcontextRec::VertexProgram */
2731 #define _NEW_PROGRAM 0x8000000 /**< __GLcontextRec::VertexProgram */
2737 * \name Bits to track array state changes
2739 * Also used to summarize array enabled.
2742 #define _NEW_ARRAY_VERTEX VERT_BIT_POS
2743 #define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
2744 #define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
2745 #define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
2746 #define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
2747 #define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
2748 #define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
2749 #define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
2750 #define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
2751 #define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
2752 #define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
2753 #define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
2754 #define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
2755 #define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
2756 #define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
2757 #define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
2758 #define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
2759 #define _NEW_ARRAY_ALL 0xffffffff
2762 #define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
2763 #define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
2768 * \name A bunch of flags that we think might be useful to drivers.
2770 * Set in the __GLcontextRec::_TriangleCaps bitfield.
2773 #define DD_FLATSHADE 0x1
2774 #define DD_SEPARATE_SPECULAR 0x2
2775 #define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
2776 #define DD_TRI_LIGHT_TWOSIDE 0x8
2777 #define DD_TRI_UNFILLED 0x10
2778 #define DD_TRI_SMOOTH 0x20
2779 #define DD_TRI_STIPPLE 0x40
2780 #define DD_TRI_OFFSET 0x80
2781 #define DD_LINE_SMOOTH 0x100
2782 #define DD_LINE_STIPPLE 0x200
2783 #define DD_LINE_WIDTH 0x400
2784 #define DD_POINT_SMOOTH 0x800
2785 #define DD_POINT_SIZE 0x1000
2786 #define DD_POINT_ATTEN 0x2000
2787 #define DD_TRI_TWOSTENCIL 0x4000
2792 * \name Define the state changes under which each of these bits might change
2795 #define _DD_NEW_FLATSHADE _NEW_LIGHT
2796 #define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
2797 #define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
2798 #define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
2799 #define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
2800 #define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
2801 #define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
2802 #define _DD_NEW_TRI_OFFSET _NEW_POLYGON
2803 #define _DD_NEW_LINE_SMOOTH _NEW_LINE
2804 #define _DD_NEW_LINE_STIPPLE _NEW_LINE
2805 #define _DD_NEW_LINE_WIDTH _NEW_LINE
2806 #define _DD_NEW_POINT_SMOOTH _NEW_POINT
2807 #define _DD_NEW_POINT_SIZE _NEW_POINT
2808 #define _DD_NEW_POINT_ATTEN _NEW_POINT
2812 #define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
2818 #define _MESA_NEW_NEED_NORMALS (_NEW_LIGHT | \
2821 #define _IMAGE_NEW_TRANSFER_STATE (_NEW_PIXEL | _NEW_COLOR_MATRIX)
2827 * Forward declaration of display list data types:
2830 typedef union node Node
;
2833 /* This has to be included here. */
2837 #define NUM_VERTEX_FORMAT_ENTRIES (sizeof(GLvertexformat) / sizeof(void *))
2840 * Core Mesa's support for tnl modules:
2842 struct gl_tnl_module
2845 * Vertex format to be lazily swapped into current dispatch.
2847 const GLvertexformat
*Current
;
2850 * \name Record of functions swapped out.
2851 * On restore, only need to swap these functions back in.
2855 _glapi_proc
* location
;
2856 _glapi_proc function
;
2857 } Swapped
[NUM_VERTEX_FORMAT_ENTRIES
];
2862 /* Strictly this is a tnl/ private concept, but it doesn't seem
2863 * worthwhile adding a tnl private structure just to hold this one bit
2866 #define MESA_DLIST_DANGLING_REFS 0x1
2868 /* Provide a location where information about a display list can be
2869 * collected. Could be extended with driverPrivate structures,
2870 * etc. in the future.
2872 struct mesa_display_list
2881 * State used during display list compilation and execution.
2883 struct gl_dlist_state
2885 struct mesa_display_list
*CallStack
[MAX_LIST_NESTING
];
2886 GLuint CallDepth
; /**< Current recursion calling depth */
2888 struct mesa_display_list
*CurrentList
;
2889 Node
*CurrentListPtr
; /**< Head of list being compiled */
2890 GLuint CurrentListNum
; /**< Number of the list being compiled */
2891 Node
*CurrentBlock
; /**< Pointer to current block of nodes */
2892 GLuint CurrentPos
; /**< Index into current block of nodes */
2894 GLvertexformat ListVtxfmt
;
2896 GLubyte ActiveAttribSize
[VERT_ATTRIB_MAX
];
2897 GLfloat CurrentAttrib
[VERT_ATTRIB_MAX
][4];
2899 GLubyte ActiveMaterialSize
[MAT_ATTRIB_MAX
];
2900 GLfloat CurrentMaterial
[MAT_ATTRIB_MAX
][4];
2902 GLubyte ActiveIndex
;
2903 GLfloat CurrentIndex
;
2905 GLubyte ActiveEdgeFlag
;
2906 GLboolean CurrentEdgeFlag
;
2911 * Mesa rendering context.
2913 * This is the central context data structure for Mesa. Almost all
2914 * OpenGL state is contained in this structure.
2915 * Think of this as a base class from which device drivers will derive
2918 * The GLcontext typedef names this structure.
2920 struct __GLcontextRec
2922 /** State possibly shared with other contexts in the address space */
2923 struct gl_shared_state
*Shared
;
2925 /** \name API function pointer tables */
2927 struct _glapi_table
*Save
; /**< Display list save functions */
2928 struct _glapi_table
*Exec
; /**< Execute functions */
2929 struct _glapi_table
*CurrentDispatch
; /**< == Save or Exec !! */
2933 GLframebuffer
*DrawBuffer
; /**< buffer for writing */
2934 GLframebuffer
*ReadBuffer
; /**< buffer for reading */
2935 GLframebuffer
*WinSysDrawBuffer
; /**< set with MakeCurrent */
2936 GLframebuffer
*WinSysReadBuffer
; /**< set with MakeCurrent */
2939 * Device driver function pointer table
2941 struct dd_function_table Driver
;
2943 void *DriverCtx
; /**< Points to device driver context/state */
2945 /** Core/Driver constants */
2946 struct gl_constants Const
;
2948 /** \name The various 4x4 matrix stacks */
2950 struct gl_matrix_stack ModelviewMatrixStack
;
2951 struct gl_matrix_stack ProjectionMatrixStack
;
2952 struct gl_matrix_stack ColorMatrixStack
;
2953 struct gl_matrix_stack TextureMatrixStack
[MAX_TEXTURE_COORD_UNITS
];
2954 struct gl_matrix_stack ProgramMatrixStack
[MAX_PROGRAM_MATRICES
];
2955 struct gl_matrix_stack
*CurrentStack
; /**< Points to one of the above stacks */
2958 /** Combined modelview and projection matrix */
2959 GLmatrix _ModelProjectMatrix
;
2961 /** \name Display lists */
2962 struct gl_dlist_state ListState
;
2964 GLboolean ExecuteFlag
; /**< Execute GL commands? */
2965 GLboolean CompileFlag
; /**< Compile GL commands into display list? */
2967 /** Extension information */
2968 struct gl_extensions Extensions
;
2970 /** \name State attribute stack (for glPush/PopAttrib) */
2972 GLuint AttribStackDepth
;
2973 struct gl_attrib_node
*AttribStack
[MAX_ATTRIB_STACK_DEPTH
];
2976 /** \name Renderer attribute groups
2978 * We define a struct for each attribute group to make pushing and popping
2979 * attributes easy. Also it's a good organization.
2982 struct gl_accum_attrib Accum
; /**< Accum buffer attributes */
2983 struct gl_colorbuffer_attrib Color
; /**< Color buffer attributes */
2984 struct gl_current_attrib Current
; /**< Current attributes */
2985 struct gl_depthbuffer_attrib Depth
; /**< Depth buffer attributes */
2986 struct gl_eval_attrib Eval
; /**< Eval attributes */
2987 struct gl_fog_attrib Fog
; /**< Fog attributes */
2988 struct gl_hint_attrib Hint
; /**< Hint attributes */
2989 struct gl_light_attrib Light
; /**< Light attributes */
2990 struct gl_line_attrib Line
; /**< Line attributes */
2991 struct gl_list_attrib List
; /**< List attributes */
2992 struct gl_multisample_attrib Multisample
;
2993 struct gl_pixel_attrib Pixel
; /**< Pixel attributes */
2994 struct gl_point_attrib Point
; /**< Point attributes */
2995 struct gl_polygon_attrib Polygon
; /**< Polygon attributes */
2996 GLuint PolygonStipple
[32]; /**< Polygon stipple */
2997 struct gl_scissor_attrib Scissor
; /**< Scissor attributes */
2998 struct gl_stencil_attrib Stencil
; /**< Stencil buffer attributes */
2999 struct gl_texture_attrib Texture
; /**< Texture attributes */
3000 struct gl_transform_attrib Transform
; /**< Transformation attributes */
3001 struct gl_viewport_attrib Viewport
; /**< Viewport attributes */
3004 /** \name Client attribute stack */
3006 GLuint ClientAttribStackDepth
;
3007 struct gl_attrib_node
*ClientAttribStack
[MAX_CLIENT_ATTRIB_STACK_DEPTH
];
3010 /** \name Client attribute groups */
3012 struct gl_array_attrib Array
; /**< Vertex arrays */
3013 struct gl_pixelstore_attrib Pack
; /**< Pixel packing */
3014 struct gl_pixelstore_attrib Unpack
; /**< Pixel unpacking */
3015 struct gl_pixelstore_attrib DefaultPacking
; /**< Default params */
3018 /** \name Other assorted state (not pushed/popped on attribute stack) */
3020 struct gl_pixelmaps PixelMaps
;
3021 struct gl_histogram_attrib Histogram
;
3022 struct gl_minmax_attrib MinMax
;
3023 struct gl_convolution_attrib Convolution1D
;
3024 struct gl_convolution_attrib Convolution2D
;
3025 struct gl_convolution_attrib Separable2D
;
3027 struct gl_evaluators EvalMap
; /**< All evaluators */
3028 struct gl_feedback Feedback
; /**< Feedback */
3029 struct gl_selection Select
; /**< Selection */
3031 struct gl_color_table ColorTable
[COLORTABLE_MAX
];
3032 struct gl_color_table ProxyColorTable
[COLORTABLE_MAX
];
3034 struct gl_color_table PostConvolutionColorTable
;
3035 struct gl_color_table ProxyPostConvolutionColorTable
;
3036 struct gl_color_table PostColorMatrixColorTable
;
3037 struct gl_color_table ProxyPostColorMatrixColorTable
;
3040 struct gl_program_state Program
; /**< for vertex or fragment progs */
3041 struct gl_vertex_program_state VertexProgram
; /**< GL_ARB/NV_vertex_program */
3042 struct gl_fragment_program_state FragmentProgram
; /**< GL_ARB/NV_vertex_program */
3043 struct gl_ati_fragment_shader_state ATIFragmentShader
; /**< GL_ATI_fragment_shader */
3045 struct gl_query_state Query
; /**< GL_ARB_occlusion_query */
3047 struct gl_shader_state Shader
; /**< GLSL shader object state */
3050 #if FEATURE_EXT_framebuffer_object
3051 struct gl_renderbuffer
*CurrentRenderbuffer
;
3054 GLenum ErrorValue
; /**< Last error code */
3055 GLenum RenderMode
; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
3056 GLbitfield NewState
; /**< bitwise-or of _NEW_* flags */
3058 /** \name Derived state */
3060 GLbitfield _TriangleCaps
; /**< bitwise-or of DD_* flags */
3061 GLbitfield _ImageTransferState
;/**< bitwise-or of IMAGE_*_BIT flags */
3062 GLfloat _EyeZDir
[3];
3063 GLfloat _ModelViewInvScale
;
3064 GLboolean _NeedEyeCoords
;
3065 GLboolean _ForceEyeCoords
;
3066 GLenum _CurrentProgram
; /* currently executing program */
3068 GLuint TextureStateTimestamp
; /* detect changes to shared state */
3070 struct gl_shine_tab
*_ShineTable
[2]; /**< Active shine tables */
3071 struct gl_shine_tab
*_ShineTabList
; /**< MRU list of inactive shine tables */
3074 struct gl_list_extensions ListExt
; /**< driver dlist extensions */
3077 GLuint _Facing
; /**< This is a hack for 2-sided stencil test.
3079 * We don't have a better way to communicate this value from
3080 * swrast_setup to swrast. */
3082 /** \name For debugging/development only */
3084 GLboolean FirstTimeCurrent
;
3087 /** Dither disable via MESA_NO_DITHER env var */
3090 /** software compression/decompression supported or not */
3091 GLboolean Mesa_DXTn
;
3093 /** Core tnl module support */
3094 struct gl_tnl_module TnlModule
;
3097 * \name Hooks for module contexts.
3099 * These will eventually live in the driver or elsewhere.
3102 void *swrast_context
;
3103 void *swsetup_context
;
3104 void *swtnl_context
;
3106 struct st_context
*st
;
3112 /** The string names for GL_POINT, GL_LINE_LOOP, etc */
3113 extern const char *_mesa_prim_name
[GL_POLYGON
+4];
3117 extern int MESA_VERBOSE
;
3118 extern int MESA_DEBUG_FLAGS
;
3119 # define MESA_FUNCTION __FUNCTION__
3121 # define MESA_VERBOSE 0
3122 # define MESA_DEBUG_FLAGS 0
3123 # define MESA_FUNCTION "a function"
3132 VERBOSE_VARRAY
= 0x0001,
3133 VERBOSE_TEXTURE
= 0x0002,
3134 VERBOSE_IMMEDIATE
= 0x0004,
3135 VERBOSE_PIPELINE
= 0x0008,
3136 VERBOSE_DRIVER
= 0x0010,
3137 VERBOSE_STATE
= 0x0020,
3138 VERBOSE_API
= 0x0040,
3139 VERBOSE_DISPLAY_LIST
= 0x0100,
3140 VERBOSE_LIGHTING
= 0x0200,
3141 VERBOSE_PRIMS
= 0x0400,
3142 VERBOSE_VERTS
= 0x0800,
3143 VERBOSE_DISASSEM
= 0x1000
3149 DEBUG_ALWAYS_FLUSH
= 0x1
3154 #define Elements(x) sizeof(x)/sizeof(*(x))
3157 #endif /* TYPES_H */