1 /* $Id: texstate.c,v 1.88 2002/12/05 04:51:57 brianp Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 #include "extensions.h"
38 #include "math/m_xform.h"
39 #include "math/m_matrix.h"
44 /* Needed for an Amiga compiler */
45 #define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X))
46 #define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X))
48 /* all other compilers */
49 #define ENUM_TO_FLOAT(X) ((GLfloat)(X))
50 #define ENUM_TO_DOUBLE(X) ((GLdouble)(X))
56 _mesa_copy_texture_state( const GLcontext
*src
, GLcontext
*dst
)
63 dst
->Texture
.CurrentUnit
= src
->Texture
.CurrentUnit
;
64 dst
->Texture
._GenFlags
= src
->Texture
._GenFlags
;
65 dst
->Texture
._TexGenEnabled
= src
->Texture
._TexGenEnabled
;
66 dst
->Texture
._TexMatEnabled
= src
->Texture
._TexMatEnabled
;
67 dst
->Texture
.SharedPalette
= src
->Texture
.SharedPalette
;
70 for (i
= 0; i
< src
->Const
.MaxTextureUnits
; i
++) {
71 dst
->Texture
.Unit
[i
].Enabled
= src
->Texture
.Unit
[i
].Enabled
;
72 dst
->Texture
.Unit
[i
].EnvMode
= src
->Texture
.Unit
[i
].EnvMode
;
73 COPY_4V(dst
->Texture
.Unit
[i
].EnvColor
, src
->Texture
.Unit
[i
].EnvColor
);
74 dst
->Texture
.Unit
[i
].TexGenEnabled
= src
->Texture
.Unit
[i
].TexGenEnabled
;
75 dst
->Texture
.Unit
[i
].GenModeS
= src
->Texture
.Unit
[i
].GenModeS
;
76 dst
->Texture
.Unit
[i
].GenModeT
= src
->Texture
.Unit
[i
].GenModeT
;
77 dst
->Texture
.Unit
[i
].GenModeR
= src
->Texture
.Unit
[i
].GenModeR
;
78 dst
->Texture
.Unit
[i
].GenModeQ
= src
->Texture
.Unit
[i
].GenModeQ
;
79 dst
->Texture
.Unit
[i
]._GenBitS
= src
->Texture
.Unit
[i
]._GenBitS
;
80 dst
->Texture
.Unit
[i
]._GenBitT
= src
->Texture
.Unit
[i
]._GenBitT
;
81 dst
->Texture
.Unit
[i
]._GenBitR
= src
->Texture
.Unit
[i
]._GenBitR
;
82 dst
->Texture
.Unit
[i
]._GenBitQ
= src
->Texture
.Unit
[i
]._GenBitQ
;
83 dst
->Texture
.Unit
[i
]._GenFlags
= src
->Texture
.Unit
[i
]._GenFlags
;
84 COPY_4V(dst
->Texture
.Unit
[i
].ObjectPlaneS
, src
->Texture
.Unit
[i
].ObjectPlaneS
);
85 COPY_4V(dst
->Texture
.Unit
[i
].ObjectPlaneT
, src
->Texture
.Unit
[i
].ObjectPlaneT
);
86 COPY_4V(dst
->Texture
.Unit
[i
].ObjectPlaneR
, src
->Texture
.Unit
[i
].ObjectPlaneR
);
87 COPY_4V(dst
->Texture
.Unit
[i
].ObjectPlaneQ
, src
->Texture
.Unit
[i
].ObjectPlaneQ
);
88 COPY_4V(dst
->Texture
.Unit
[i
].EyePlaneS
, src
->Texture
.Unit
[i
].EyePlaneS
);
89 COPY_4V(dst
->Texture
.Unit
[i
].EyePlaneT
, src
->Texture
.Unit
[i
].EyePlaneT
);
90 COPY_4V(dst
->Texture
.Unit
[i
].EyePlaneR
, src
->Texture
.Unit
[i
].EyePlaneR
);
91 COPY_4V(dst
->Texture
.Unit
[i
].EyePlaneQ
, src
->Texture
.Unit
[i
].EyePlaneQ
);
92 dst
->Texture
.Unit
[i
].LodBias
= src
->Texture
.Unit
[i
].LodBias
;
94 /* GL_EXT_texture_env_combine */
95 dst
->Texture
.Unit
[i
].CombineModeRGB
= src
->Texture
.Unit
[i
].CombineModeRGB
;
96 dst
->Texture
.Unit
[i
].CombineModeA
= src
->Texture
.Unit
[i
].CombineModeA
;
97 COPY_3V(dst
->Texture
.Unit
[i
].CombineSourceRGB
, src
->Texture
.Unit
[i
].CombineSourceRGB
);
98 COPY_3V(dst
->Texture
.Unit
[i
].CombineSourceA
, src
->Texture
.Unit
[i
].CombineSourceA
);
99 COPY_3V(dst
->Texture
.Unit
[i
].CombineOperandRGB
, src
->Texture
.Unit
[i
].CombineOperandRGB
);
100 COPY_3V(dst
->Texture
.Unit
[i
].CombineOperandA
, src
->Texture
.Unit
[i
].CombineOperandA
);
101 dst
->Texture
.Unit
[i
].CombineScaleShiftRGB
= src
->Texture
.Unit
[i
].CombineScaleShiftRGB
;
102 dst
->Texture
.Unit
[i
].CombineScaleShiftA
= src
->Texture
.Unit
[i
].CombineScaleShiftA
;
104 /* texture object state */
105 _mesa_copy_texture_object(dst
->Texture
.Unit
[i
].Current1D
,
106 src
->Texture
.Unit
[i
].Current1D
);
107 _mesa_copy_texture_object(dst
->Texture
.Unit
[i
].Current2D
,
108 src
->Texture
.Unit
[i
].Current2D
);
109 _mesa_copy_texture_object(dst
->Texture
.Unit
[i
].Current3D
,
110 src
->Texture
.Unit
[i
].Current3D
);
111 _mesa_copy_texture_object(dst
->Texture
.Unit
[i
].CurrentCubeMap
,
112 src
->Texture
.Unit
[i
].CurrentCubeMap
);
113 _mesa_copy_texture_object(dst
->Texture
.Unit
[i
].CurrentRect
,
114 src
->Texture
.Unit
[i
].CurrentRect
);
123 _mesa_print_texunit_state( GLcontext
*ctx
, GLuint unit
)
125 const struct gl_texture_unit
*texUnit
= ctx
->Texture
.Unit
+ unit
;
126 _mesa_printf("Texture Unit %d\n", unit
);
127 _mesa_printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit
->EnvMode
));
128 _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineModeRGB
));
129 _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineModeA
));
130 _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceRGB
[0]));
131 _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceRGB
[1]));
132 _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceRGB
[2]));
133 _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceA
[0]));
134 _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceA
[1]));
135 _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineSourceA
[2]));
136 _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandRGB
[0]));
137 _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandRGB
[1]));
138 _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandRGB
[2]));
139 _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandA
[0]));
140 _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandA
[1]));
141 _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit
->CombineOperandA
[2]));
142 _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit
->CombineScaleShiftRGB
);
143 _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit
->CombineScaleShiftA
);
144 _mesa_printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit
->EnvColor
[0], texUnit
->EnvColor
[1], texUnit
->EnvColor
[2], texUnit
->EnvColor
[3]);
149 /**********************************************************************/
150 /* Texture Environment */
151 /**********************************************************************/
155 _mesa_TexEnvfv( GLenum target
, GLenum pname
, const GLfloat
*param
)
157 GET_CURRENT_CONTEXT(ctx
);
158 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
159 ASSERT_OUTSIDE_BEGIN_END(ctx
);
161 #define TE_ERROR(errCode, msg, value) \
162 _mesa_error(ctx, errCode, msg, _mesa_lookup_enum_by_nr(value));
164 if (target
== GL_TEXTURE_ENV
) {
166 case GL_TEXTURE_ENV_MODE
:
168 const GLenum mode
= (GLenum
) (GLint
) *param
;
169 if (mode
== GL_MODULATE
||
172 mode
== GL_REPLACE
||
173 (mode
== GL_ADD
&& ctx
->Extensions
.EXT_texture_env_add
) ||
174 (mode
== GL_COMBINE_EXT
&&
175 (ctx
->Extensions
.EXT_texture_env_combine
||
176 ctx
->Extensions
.ARB_texture_env_combine
))) {
178 if (texUnit
->EnvMode
== mode
)
180 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
181 texUnit
->EnvMode
= mode
;
184 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
189 case GL_TEXTURE_ENV_COLOR
:
192 tmp
[0] = CLAMP( param
[0], 0.0F
, 1.0F
);
193 tmp
[1] = CLAMP( param
[1], 0.0F
, 1.0F
);
194 tmp
[2] = CLAMP( param
[2], 0.0F
, 1.0F
);
195 tmp
[3] = CLAMP( param
[3], 0.0F
, 1.0F
);
196 if (TEST_EQ_4V(tmp
, texUnit
->EnvColor
))
198 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
199 COPY_4FV(texUnit
->EnvColor
, tmp
);
202 case GL_COMBINE_RGB_EXT
:
203 if (ctx
->Extensions
.EXT_texture_env_combine
||
204 ctx
->Extensions
.ARB_texture_env_combine
) {
205 const GLenum mode
= (GLenum
) (GLint
) *param
;
210 case GL_ADD_SIGNED_EXT
:
211 case GL_INTERPOLATE_EXT
:
214 case GL_SUBTRACT_ARB
:
215 if (!ctx
->Extensions
.ARB_texture_env_combine
) {
216 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
220 case GL_DOT3_RGB_EXT
:
221 case GL_DOT3_RGBA_EXT
:
222 if (!ctx
->Extensions
.EXT_texture_env_dot3
) {
223 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
227 case GL_DOT3_RGB_ARB
:
228 case GL_DOT3_RGBA_ARB
:
229 if (!ctx
->Extensions
.ARB_texture_env_dot3
) {
230 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
235 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
238 if (texUnit
->CombineModeRGB
== mode
)
240 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
241 texUnit
->CombineModeRGB
= mode
;
244 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
248 case GL_COMBINE_ALPHA_EXT
:
249 if (ctx
->Extensions
.EXT_texture_env_combine
||
250 ctx
->Extensions
.ARB_texture_env_combine
) {
251 const GLenum mode
= (GLenum
) (GLint
) *param
;
252 if (mode
== GL_REPLACE
||
253 mode
== GL_MODULATE
||
255 mode
== GL_ADD_SIGNED_EXT
||
256 mode
== GL_INTERPOLATE_EXT
||
257 (mode
== GL_SUBTRACT_ARB
&&
258 ctx
->Extensions
.ARB_texture_env_combine
)) {
260 if (texUnit
->CombineModeA
== mode
)
262 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
263 texUnit
->CombineModeA
= mode
;
266 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", mode
);
271 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
275 case GL_SOURCE0_RGB_EXT
:
276 case GL_SOURCE1_RGB_EXT
:
277 case GL_SOURCE2_RGB_EXT
:
278 if (ctx
->Extensions
.EXT_texture_env_combine
||
279 ctx
->Extensions
.ARB_texture_env_combine
) {
280 const GLenum source
= (GLenum
) (GLint
) *param
;
281 const GLuint s
= pname
- GL_SOURCE0_RGB_EXT
;
282 if (source
== GL_TEXTURE
||
283 source
== GL_CONSTANT_EXT
||
284 source
== GL_PRIMARY_COLOR_EXT
||
285 source
== GL_PREVIOUS_EXT
||
286 (ctx
->Extensions
.ARB_texture_env_crossbar
&&
287 source
>= GL_TEXTURE0_ARB
&&
288 source
< GL_TEXTURE0_ARB
+ ctx
->Const
.MaxTextureUnits
)) {
290 if (texUnit
->CombineSourceRGB
[s
] == source
)
292 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
293 texUnit
->CombineSourceRGB
[s
] = source
;
296 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", source
);
301 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
305 case GL_SOURCE0_ALPHA_EXT
:
306 case GL_SOURCE1_ALPHA_EXT
:
307 case GL_SOURCE2_ALPHA_EXT
:
308 if (ctx
->Extensions
.EXT_texture_env_combine
||
309 ctx
->Extensions
.ARB_texture_env_combine
) {
310 const GLenum source
= (GLenum
) (GLint
) *param
;
311 const GLuint s
= pname
- GL_SOURCE0_ALPHA_EXT
;
312 if (source
== GL_TEXTURE
||
313 source
== GL_CONSTANT_EXT
||
314 source
== GL_PRIMARY_COLOR_EXT
||
315 source
== GL_PREVIOUS_EXT
||
316 (ctx
->Extensions
.ARB_texture_env_crossbar
&&
317 source
>= GL_TEXTURE0_ARB
&&
318 source
< GL_TEXTURE0_ARB
+ ctx
->Const
.MaxTextureUnits
)) {
320 if (texUnit
->CombineSourceA
[s
] == source
)
322 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
323 texUnit
->CombineSourceA
[s
] = source
;
326 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", source
);
331 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
335 case GL_OPERAND0_RGB_EXT
:
336 case GL_OPERAND1_RGB_EXT
:
337 if (ctx
->Extensions
.EXT_texture_env_combine
||
338 ctx
->Extensions
.ARB_texture_env_combine
) {
339 const GLenum operand
= (GLenum
) (GLint
) *param
;
340 const GLuint s
= pname
- GL_OPERAND0_RGB_EXT
;
343 case GL_ONE_MINUS_SRC_COLOR
:
345 case GL_ONE_MINUS_SRC_ALPHA
:
346 if (texUnit
->CombineOperandRGB
[s
] == operand
)
348 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
349 texUnit
->CombineOperandRGB
[s
] = operand
;
352 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", operand
);
357 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
361 case GL_OPERAND0_ALPHA_EXT
:
362 case GL_OPERAND1_ALPHA_EXT
:
363 if (ctx
->Extensions
.EXT_texture_env_combine
||
364 ctx
->Extensions
.ARB_texture_env_combine
) {
365 const GLenum operand
= (GLenum
) (GLint
) *param
;
368 case GL_ONE_MINUS_SRC_ALPHA
:
369 if (texUnit
->CombineOperandA
[pname
-GL_OPERAND0_ALPHA_EXT
] ==
372 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
373 texUnit
->CombineOperandA
[pname
-GL_OPERAND0_ALPHA_EXT
] = operand
;
376 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", operand
);
381 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
385 case GL_OPERAND2_RGB_EXT
:
386 if (ctx
->Extensions
.EXT_texture_env_combine
||
387 ctx
->Extensions
.ARB_texture_env_combine
) {
388 const GLenum operand
= (GLenum
) (GLint
) *param
;
390 case GL_SRC_COLOR
: /* ARB combine only */
391 case GL_ONE_MINUS_SRC_COLOR
: /* ARB combine only */
393 case GL_ONE_MINUS_SRC_ALPHA
: /* ARB combine only */
394 if (texUnit
->CombineOperandRGB
[2] == operand
)
396 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
397 texUnit
->CombineOperandRGB
[2] = operand
;
399 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", operand
);
404 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
408 case GL_OPERAND2_ALPHA_EXT
:
409 if (ctx
->Extensions
.EXT_texture_env_combine
||
410 ctx
->Extensions
.ARB_texture_env_combine
) {
411 const GLenum operand
= (GLenum
) (GLint
) *param
;
414 case GL_ONE_MINUS_SRC_ALPHA
: /* ARB combine only */
415 if (texUnit
->CombineOperandA
[2] == operand
)
417 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
418 texUnit
->CombineOperandA
[2] = operand
;
421 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(param=%s)", operand
);
426 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
430 case GL_RGB_SCALE_EXT
:
431 if (ctx
->Extensions
.EXT_texture_env_combine
||
432 ctx
->Extensions
.ARB_texture_env_combine
) {
437 else if (*param
== 2.0) {
440 else if (*param
== 4.0) {
444 _mesa_error( ctx
, GL_INVALID_VALUE
,
445 "glTexEnv(GL_RGB_SCALE not 1, 2 or 4)" );
448 if (texUnit
->CombineScaleShiftRGB
== newshift
)
450 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
451 texUnit
->CombineScaleShiftRGB
= newshift
;
454 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
459 if (ctx
->Extensions
.EXT_texture_env_combine
||
460 ctx
->Extensions
.ARB_texture_env_combine
) {
465 else if (*param
== 2.0) {
468 else if (*param
== 4.0) {
472 _mesa_error( ctx
, GL_INVALID_VALUE
,
473 "glTexEnv(GL_ALPHA_SCALE not 1, 2 or 4)" );
476 if (texUnit
->CombineScaleShiftA
== newshift
)
478 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
479 texUnit
->CombineScaleShiftA
= newshift
;
482 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
487 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexEnv(pname)" );
491 else if (target
== GL_TEXTURE_FILTER_CONTROL_EXT
) {
492 /* GL_EXT_texture_lod_bias */
493 if (!ctx
->Extensions
.EXT_texture_lod_bias
) {
494 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexEnv(target=0x%x)", target
);
497 if (pname
== GL_TEXTURE_LOD_BIAS_EXT
) {
498 if (texUnit
->LodBias
== param
[0])
500 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
501 texUnit
->LodBias
= CLAMP(param
[0], -ctx
->Const
.MaxTextureLodBias
,
502 ctx
->Const
.MaxTextureLodBias
);
505 TE_ERROR(GL_INVALID_ENUM
, "glTexEnv(pname=%s)", pname
);
509 else if (target
== GL_POINT_SPRITE_NV
) {
510 /* GL_NV_point_sprite */
511 if (!ctx
->Extensions
.NV_point_sprite
) {
512 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexEnv(target=0x%x)", target
);
515 if (pname
== GL_COORD_REPLACE_NV
) {
516 const GLenum value
= (GLenum
) param
[0];
517 if (value
== GL_TRUE
|| value
== GL_FALSE
) {
518 /* It's kind of weird to set point state via glTexEnv,
519 * but that's what the spec calls for.
521 const GLboolean state
= (GLboolean
) value
;
522 if (ctx
->Point
.CoordReplace
[ctx
->Texture
.CurrentUnit
] == state
)
524 FLUSH_VERTICES(ctx
, _NEW_POINT
);
525 ctx
->Point
.CoordReplace
[ctx
->Texture
.CurrentUnit
] = state
;
528 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexEnv(param=0x%x)", value
);
533 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexEnv(pname=0x%x)", pname
);
538 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexEnv(target=0x%x)",target
);
542 if (MESA_VERBOSE
&(VERBOSE_API
|VERBOSE_TEXTURE
))
543 _mesa_debug(ctx
, "glTexEnv %s %s %.1f(%s) ...\n",
544 _mesa_lookup_enum_by_nr(target
),
545 _mesa_lookup_enum_by_nr(pname
),
547 _mesa_lookup_enum_by_nr((GLenum
) (GLint
) *param
));
549 /* Tell device driver about the new texture environment */
550 if (ctx
->Driver
.TexEnv
) {
551 (*ctx
->Driver
.TexEnv
)( ctx
, target
, pname
, param
);
557 _mesa_TexEnvf( GLenum target
, GLenum pname
, GLfloat param
)
559 _mesa_TexEnvfv( target
, pname
, ¶m
);
565 _mesa_TexEnvi( GLenum target
, GLenum pname
, GLint param
)
568 p
[0] = (GLfloat
) param
;
569 p
[1] = p
[2] = p
[3] = 0.0;
570 _mesa_TexEnvfv( target
, pname
, p
);
575 _mesa_TexEnviv( GLenum target
, GLenum pname
, const GLint
*param
)
578 if (pname
== GL_TEXTURE_ENV_COLOR
) {
579 p
[0] = INT_TO_FLOAT( param
[0] );
580 p
[1] = INT_TO_FLOAT( param
[1] );
581 p
[2] = INT_TO_FLOAT( param
[2] );
582 p
[3] = INT_TO_FLOAT( param
[3] );
585 p
[0] = (GLfloat
) param
[0];
586 p
[1] = p
[2] = p
[3] = 0; /* init to zero, just to be safe */
588 _mesa_TexEnvfv( target
, pname
, p
);
593 _mesa_GetTexEnvfv( GLenum target
, GLenum pname
, GLfloat
*params
)
595 GET_CURRENT_CONTEXT(ctx
);
596 const struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
597 ASSERT_OUTSIDE_BEGIN_END(ctx
);
599 if (target
== GL_TEXTURE_ENV
) {
601 case GL_TEXTURE_ENV_MODE
:
602 *params
= ENUM_TO_FLOAT(texUnit
->EnvMode
);
604 case GL_TEXTURE_ENV_COLOR
:
605 COPY_4FV( params
, texUnit
->EnvColor
);
607 case GL_COMBINE_RGB_EXT
:
608 if (ctx
->Extensions
.EXT_texture_env_combine
||
609 ctx
->Extensions
.ARB_texture_env_combine
) {
610 *params
= (GLfloat
) texUnit
->CombineModeRGB
;
613 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
616 case GL_COMBINE_ALPHA_EXT
:
617 if (ctx
->Extensions
.EXT_texture_env_combine
||
618 ctx
->Extensions
.ARB_texture_env_combine
) {
619 *params
= (GLfloat
) texUnit
->CombineModeA
;
622 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
625 case GL_SOURCE0_RGB_EXT
:
626 if (ctx
->Extensions
.EXT_texture_env_combine
||
627 ctx
->Extensions
.ARB_texture_env_combine
) {
628 *params
= (GLfloat
) texUnit
->CombineSourceRGB
[0];
631 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
634 case GL_SOURCE1_RGB_EXT
:
635 if (ctx
->Extensions
.EXT_texture_env_combine
||
636 ctx
->Extensions
.ARB_texture_env_combine
) {
637 *params
= (GLfloat
) texUnit
->CombineSourceRGB
[1];
640 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
643 case GL_SOURCE2_RGB_EXT
:
644 if (ctx
->Extensions
.EXT_texture_env_combine
||
645 ctx
->Extensions
.ARB_texture_env_combine
) {
646 *params
= (GLfloat
) texUnit
->CombineSourceRGB
[2];
649 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
652 case GL_SOURCE0_ALPHA_EXT
:
653 if (ctx
->Extensions
.EXT_texture_env_combine
||
654 ctx
->Extensions
.ARB_texture_env_combine
) {
655 *params
= (GLfloat
) texUnit
->CombineSourceA
[0];
658 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
661 case GL_SOURCE1_ALPHA_EXT
:
662 if (ctx
->Extensions
.EXT_texture_env_combine
||
663 ctx
->Extensions
.ARB_texture_env_combine
) {
664 *params
= (GLfloat
) texUnit
->CombineSourceA
[1];
667 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
670 case GL_SOURCE2_ALPHA_EXT
:
671 if (ctx
->Extensions
.EXT_texture_env_combine
||
672 ctx
->Extensions
.ARB_texture_env_combine
) {
673 *params
= (GLfloat
) texUnit
->CombineSourceA
[2];
676 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
679 case GL_OPERAND0_RGB_EXT
:
680 if (ctx
->Extensions
.EXT_texture_env_combine
||
681 ctx
->Extensions
.ARB_texture_env_combine
) {
682 *params
= (GLfloat
) texUnit
->CombineOperandRGB
[0];
685 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
688 case GL_OPERAND1_RGB_EXT
:
689 if (ctx
->Extensions
.EXT_texture_env_combine
||
690 ctx
->Extensions
.ARB_texture_env_combine
) {
691 *params
= (GLfloat
) texUnit
->CombineOperandRGB
[1];
694 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
697 case GL_OPERAND2_RGB_EXT
:
698 if (ctx
->Extensions
.EXT_texture_env_combine
||
699 ctx
->Extensions
.ARB_texture_env_combine
) {
700 *params
= (GLfloat
) texUnit
->CombineOperandRGB
[2];
703 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
706 case GL_OPERAND0_ALPHA_EXT
:
707 if (ctx
->Extensions
.EXT_texture_env_combine
||
708 ctx
->Extensions
.ARB_texture_env_combine
) {
709 *params
= (GLfloat
) texUnit
->CombineOperandA
[0];
712 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
715 case GL_OPERAND1_ALPHA_EXT
:
716 if (ctx
->Extensions
.EXT_texture_env_combine
||
717 ctx
->Extensions
.ARB_texture_env_combine
) {
718 *params
= (GLfloat
) texUnit
->CombineOperandA
[1];
721 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
724 case GL_OPERAND2_ALPHA_EXT
:
725 if (ctx
->Extensions
.EXT_texture_env_combine
||
726 ctx
->Extensions
.ARB_texture_env_combine
) {
727 *params
= (GLfloat
) texUnit
->CombineOperandA
[2];
730 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
733 case GL_RGB_SCALE_EXT
:
734 if (ctx
->Extensions
.EXT_texture_env_combine
||
735 ctx
->Extensions
.ARB_texture_env_combine
) {
736 if (texUnit
->CombineScaleShiftRGB
== 0)
738 else if (texUnit
->CombineScaleShiftRGB
== 1)
744 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
749 if (ctx
->Extensions
.EXT_texture_env_combine
||
750 ctx
->Extensions
.ARB_texture_env_combine
) {
751 if (texUnit
->CombineScaleShiftA
== 0)
753 else if (texUnit
->CombineScaleShiftA
== 1)
759 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)");
764 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)" );
767 else if (target
== GL_TEXTURE_FILTER_CONTROL_EXT
) {
768 /* GL_EXT_texture_lod_bias */
769 if (!ctx
->Extensions
.EXT_texture_lod_bias
) {
770 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(target)" );
773 if (pname
== GL_TEXTURE_LOD_BIAS_EXT
) {
774 *params
= texUnit
->LodBias
;
777 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)" );
781 else if (target
== GL_POINT_SPRITE_NV
) {
782 /* GL_NV_point_sprite */
783 if (!ctx
->Extensions
.NV_point_sprite
) {
784 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(target)" );
787 if (pname
== GL_COORD_REPLACE_NV
) {
788 *params
= (GLfloat
) ctx
->Point
.CoordReplace
[ctx
->Texture
.CurrentUnit
];
791 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(pname)" );
796 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnvfv(target)" );
803 _mesa_GetTexEnviv( GLenum target
, GLenum pname
, GLint
*params
)
805 GET_CURRENT_CONTEXT(ctx
);
806 const struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
807 ASSERT_OUTSIDE_BEGIN_END(ctx
);
809 if (target
== GL_TEXTURE_ENV
) {
811 case GL_TEXTURE_ENV_MODE
:
812 *params
= (GLint
) texUnit
->EnvMode
;
814 case GL_TEXTURE_ENV_COLOR
:
815 params
[0] = FLOAT_TO_INT( texUnit
->EnvColor
[0] );
816 params
[1] = FLOAT_TO_INT( texUnit
->EnvColor
[1] );
817 params
[2] = FLOAT_TO_INT( texUnit
->EnvColor
[2] );
818 params
[3] = FLOAT_TO_INT( texUnit
->EnvColor
[3] );
820 case GL_COMBINE_RGB_EXT
:
821 if (ctx
->Extensions
.EXT_texture_env_combine
||
822 ctx
->Extensions
.ARB_texture_env_combine
) {
823 *params
= (GLint
) texUnit
->CombineModeRGB
;
826 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
829 case GL_COMBINE_ALPHA_EXT
:
830 if (ctx
->Extensions
.EXT_texture_env_combine
||
831 ctx
->Extensions
.ARB_texture_env_combine
) {
832 *params
= (GLint
) texUnit
->CombineModeA
;
835 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
838 case GL_SOURCE0_RGB_EXT
:
839 if (ctx
->Extensions
.EXT_texture_env_combine
||
840 ctx
->Extensions
.ARB_texture_env_combine
) {
841 *params
= (GLint
) texUnit
->CombineSourceRGB
[0];
844 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
847 case GL_SOURCE1_RGB_EXT
:
848 if (ctx
->Extensions
.EXT_texture_env_combine
||
849 ctx
->Extensions
.ARB_texture_env_combine
) {
850 *params
= (GLint
) texUnit
->CombineSourceRGB
[1];
853 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
856 case GL_SOURCE2_RGB_EXT
:
857 if (ctx
->Extensions
.EXT_texture_env_combine
||
858 ctx
->Extensions
.ARB_texture_env_combine
) {
859 *params
= (GLint
) texUnit
->CombineSourceRGB
[2];
862 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
865 case GL_SOURCE0_ALPHA_EXT
:
866 if (ctx
->Extensions
.EXT_texture_env_combine
||
867 ctx
->Extensions
.ARB_texture_env_combine
) {
868 *params
= (GLint
) texUnit
->CombineSourceA
[0];
871 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
874 case GL_SOURCE1_ALPHA_EXT
:
875 if (ctx
->Extensions
.EXT_texture_env_combine
||
876 ctx
->Extensions
.ARB_texture_env_combine
) {
877 *params
= (GLint
) texUnit
->CombineSourceA
[1];
880 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
883 case GL_SOURCE2_ALPHA_EXT
:
884 if (ctx
->Extensions
.EXT_texture_env_combine
||
885 ctx
->Extensions
.ARB_texture_env_combine
) {
886 *params
= (GLint
) texUnit
->CombineSourceA
[2];
889 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
892 case GL_OPERAND0_RGB_EXT
:
893 if (ctx
->Extensions
.EXT_texture_env_combine
||
894 ctx
->Extensions
.ARB_texture_env_combine
) {
895 *params
= (GLint
) texUnit
->CombineOperandRGB
[0];
898 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
901 case GL_OPERAND1_RGB_EXT
:
902 if (ctx
->Extensions
.EXT_texture_env_combine
||
903 ctx
->Extensions
.ARB_texture_env_combine
) {
904 *params
= (GLint
) texUnit
->CombineOperandRGB
[1];
907 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
910 case GL_OPERAND2_RGB_EXT
:
911 if (ctx
->Extensions
.EXT_texture_env_combine
||
912 ctx
->Extensions
.ARB_texture_env_combine
) {
913 *params
= (GLint
) texUnit
->CombineOperandRGB
[2];
916 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
919 case GL_OPERAND0_ALPHA_EXT
:
920 if (ctx
->Extensions
.EXT_texture_env_combine
||
921 ctx
->Extensions
.ARB_texture_env_combine
) {
922 *params
= (GLint
) texUnit
->CombineOperandA
[0];
925 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
928 case GL_OPERAND1_ALPHA_EXT
:
929 if (ctx
->Extensions
.EXT_texture_env_combine
||
930 ctx
->Extensions
.ARB_texture_env_combine
) {
931 *params
= (GLint
) texUnit
->CombineOperandA
[1];
934 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
937 case GL_OPERAND2_ALPHA_EXT
:
938 if (ctx
->Extensions
.EXT_texture_env_combine
||
939 ctx
->Extensions
.ARB_texture_env_combine
) {
940 *params
= (GLint
) texUnit
->CombineOperandA
[2];
943 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
946 case GL_RGB_SCALE_EXT
:
947 if (ctx
->Extensions
.EXT_texture_env_combine
||
948 ctx
->Extensions
.ARB_texture_env_combine
) {
949 if (texUnit
->CombineScaleShiftRGB
== 0)
951 else if (texUnit
->CombineScaleShiftRGB
== 1)
957 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
962 if (ctx
->Extensions
.EXT_texture_env_combine
||
963 ctx
->Extensions
.ARB_texture_env_combine
) {
964 if (texUnit
->CombineScaleShiftA
== 0)
966 else if (texUnit
->CombineScaleShiftA
== 1)
972 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)");
977 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)" );
980 else if (target
== GL_TEXTURE_FILTER_CONTROL_EXT
) {
981 /* GL_EXT_texture_lod_bias */
982 if (!ctx
->Extensions
.EXT_texture_lod_bias
) {
983 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(target)" );
986 if (pname
== GL_TEXTURE_LOD_BIAS_EXT
) {
987 *params
= (GLint
) texUnit
->LodBias
;
990 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)" );
994 else if (target
== GL_POINT_SPRITE_NV
) {
995 /* GL_NV_point_sprite */
996 if (!ctx
->Extensions
.NV_point_sprite
) {
997 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(target)" );
1000 if (pname
== GL_COORD_REPLACE_NV
) {
1001 *params
= (GLint
) ctx
->Point
.CoordReplace
[ctx
->Texture
.CurrentUnit
];
1004 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(pname)" );
1009 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexEnviv(target)" );
1017 /**********************************************************************/
1018 /* Texture Parameters */
1019 /**********************************************************************/
1023 _mesa_TexParameterf( GLenum target
, GLenum pname
, GLfloat param
)
1025 _mesa_TexParameterfv(target
, pname
, ¶m
);
1030 _mesa_TexParameterfv( GLenum target
, GLenum pname
, const GLfloat
*params
)
1032 GET_CURRENT_CONTEXT(ctx
);
1033 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1034 GLenum eparam
= (GLenum
) (GLint
) params
[0];
1035 struct gl_texture_object
*texObj
;
1036 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1038 if (MESA_VERBOSE
&(VERBOSE_API
|VERBOSE_TEXTURE
))
1039 _mesa_debug(ctx
, "texPARAM %s %s %d...\n",
1040 _mesa_lookup_enum_by_nr(target
),
1041 _mesa_lookup_enum_by_nr(pname
),
1047 texObj
= texUnit
->Current1D
;
1050 texObj
= texUnit
->Current2D
;
1052 case GL_TEXTURE_3D_EXT
:
1053 texObj
= texUnit
->Current3D
;
1055 case GL_TEXTURE_CUBE_MAP_ARB
:
1056 if (!ctx
->Extensions
.ARB_texture_cube_map
) {
1057 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexParameter(target)" );
1060 texObj
= texUnit
->CurrentCubeMap
;
1062 case GL_TEXTURE_RECTANGLE_NV
:
1063 if (!ctx
->Extensions
.NV_texture_rectangle
) {
1064 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexParameter(target)" );
1067 texObj
= texUnit
->CurrentRect
;
1070 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexParameter(target)" );
1075 case GL_TEXTURE_MIN_FILTER
:
1076 /* A small optimization */
1077 if (texObj
->MinFilter
== eparam
)
1079 if (eparam
==GL_NEAREST
|| eparam
==GL_LINEAR
) {
1080 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1081 texObj
->MinFilter
= eparam
;
1083 else if ((eparam
==GL_NEAREST_MIPMAP_NEAREST
||
1084 eparam
==GL_LINEAR_MIPMAP_NEAREST
||
1085 eparam
==GL_NEAREST_MIPMAP_LINEAR
||
1086 eparam
==GL_LINEAR_MIPMAP_LINEAR
) &&
1087 texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
) {
1088 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1089 texObj
->MinFilter
= eparam
;
1092 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1096 case GL_TEXTURE_MAG_FILTER
:
1097 /* A small optimization */
1098 if (texObj
->MagFilter
== eparam
)
1101 if (eparam
==GL_NEAREST
|| eparam
==GL_LINEAR
) {
1102 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1103 texObj
->MagFilter
= eparam
;
1106 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1110 case GL_TEXTURE_WRAP_S
:
1111 if (texObj
->WrapS
== eparam
)
1113 if (eparam
== GL_CLAMP
|| eparam
== GL_CLAMP_TO_EDGE
||
1114 (eparam
== GL_CLAMP_TO_BORDER_ARB
&&
1115 ctx
->Extensions
.ARB_texture_border_clamp
)) {
1116 /* any texture target */
1117 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1118 texObj
->WrapS
= eparam
;
1120 else if (texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
&&
1121 (eparam
== GL_REPEAT
||
1122 (eparam
== GL_MIRRORED_REPEAT_ARB
&&
1123 ctx
->Extensions
.ARB_texture_mirrored_repeat
) ||
1124 (eparam
== GL_MIRROR_CLAMP_ATI
&&
1125 ctx
->Extensions
.ATI_texture_mirror_once
) ||
1126 (eparam
== GL_MIRROR_CLAMP_TO_EDGE_ATI
&&
1127 ctx
->Extensions
.ATI_texture_mirror_once
))) {
1128 /* non-rectangle texture */
1129 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1130 texObj
->WrapS
= eparam
;
1133 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1137 case GL_TEXTURE_WRAP_T
:
1138 if (texObj
->WrapT
== eparam
)
1140 if (eparam
== GL_CLAMP
|| eparam
== GL_CLAMP_TO_EDGE
||
1141 (eparam
== GL_CLAMP_TO_BORDER_ARB
&&
1142 ctx
->Extensions
.ARB_texture_border_clamp
)) {
1143 /* any texture target */
1144 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1145 texObj
->WrapT
= eparam
;
1147 else if (texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
&&
1148 (eparam
== GL_REPEAT
||
1149 (eparam
== GL_MIRRORED_REPEAT_ARB
&&
1150 ctx
->Extensions
.ARB_texture_mirrored_repeat
) ||
1151 (eparam
== GL_MIRROR_CLAMP_ATI
&&
1152 ctx
->Extensions
.ATI_texture_mirror_once
) ||
1153 (eparam
== GL_MIRROR_CLAMP_TO_EDGE_ATI
&&
1154 ctx
->Extensions
.ATI_texture_mirror_once
))) {
1155 /* non-rectangle texture */
1156 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1157 texObj
->WrapT
= eparam
;
1160 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1164 case GL_TEXTURE_WRAP_R_EXT
:
1165 if (texObj
->WrapR
== eparam
)
1167 if (eparam
== GL_CLAMP
|| eparam
== GL_CLAMP_TO_EDGE
||
1168 (eparam
== GL_CLAMP_TO_BORDER_ARB
&&
1169 ctx
->Extensions
.ARB_texture_border_clamp
)) {
1170 /* any texture target */
1171 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1172 texObj
->WrapR
= eparam
;
1174 else if (texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
&&
1175 (eparam
== GL_REPEAT
||
1176 (eparam
== GL_MIRRORED_REPEAT_ARB
&&
1177 ctx
->Extensions
.ARB_texture_mirrored_repeat
) ||
1178 (eparam
== GL_MIRROR_CLAMP_ATI
&&
1179 ctx
->Extensions
.ATI_texture_mirror_once
) ||
1180 (eparam
== GL_MIRROR_CLAMP_TO_EDGE_ATI
&&
1181 ctx
->Extensions
.ATI_texture_mirror_once
))) {
1182 /* non-rectangle texture */
1183 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1184 texObj
->WrapR
= eparam
;
1187 _mesa_error( ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1190 case GL_TEXTURE_BORDER_COLOR
:
1191 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1192 texObj
->BorderColor
[RCOMP
] = params
[0];
1193 texObj
->BorderColor
[GCOMP
] = params
[1];
1194 texObj
->BorderColor
[BCOMP
] = params
[2];
1195 texObj
->BorderColor
[ACOMP
] = params
[3];
1196 UNCLAMPED_FLOAT_TO_CHAN(texObj
->_BorderChan
[RCOMP
], params
[0]);
1197 UNCLAMPED_FLOAT_TO_CHAN(texObj
->_BorderChan
[GCOMP
], params
[1]);
1198 UNCLAMPED_FLOAT_TO_CHAN(texObj
->_BorderChan
[BCOMP
], params
[2]);
1199 UNCLAMPED_FLOAT_TO_CHAN(texObj
->_BorderChan
[ACOMP
], params
[3]);
1201 case GL_TEXTURE_MIN_LOD
:
1202 if (texObj
->MinLod
== params
[0])
1204 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1205 texObj
->MinLod
= params
[0];
1207 case GL_TEXTURE_MAX_LOD
:
1208 if (texObj
->MaxLod
== params
[0])
1210 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1211 texObj
->MaxLod
= params
[0];
1213 case GL_TEXTURE_BASE_LEVEL
:
1214 if (params
[0] < 0.0) {
1215 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1218 if (target
== GL_TEXTURE_RECTANGLE_NV
&& params
[0] != 0.0) {
1219 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1222 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1223 texObj
->BaseLevel
= (GLint
) params
[0];
1225 case GL_TEXTURE_MAX_LEVEL
:
1226 if (params
[0] < 0.0) {
1227 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1230 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1231 texObj
->MaxLevel
= (GLint
) params
[0];
1233 case GL_TEXTURE_PRIORITY
:
1234 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1235 texObj
->Priority
= CLAMP( params
[0], 0.0F
, 1.0F
);
1237 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
1238 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
1239 if (params
[0] < 1.0) {
1240 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
1243 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1244 texObj
->MaxAnisotropy
= params
[0];
1247 _mesa_error(ctx
, GL_INVALID_ENUM
,
1248 "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
1252 case GL_TEXTURE_COMPARE_SGIX
:
1253 if (ctx
->Extensions
.SGIX_shadow
) {
1254 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1255 texObj
->CompareFlag
= params
[0] ? GL_TRUE
: GL_FALSE
;
1258 _mesa_error(ctx
, GL_INVALID_ENUM
,
1259 "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
1263 case GL_TEXTURE_COMPARE_OPERATOR_SGIX
:
1264 if (ctx
->Extensions
.SGIX_shadow
) {
1265 GLenum op
= (GLenum
) params
[0];
1266 if (op
== GL_TEXTURE_LEQUAL_R_SGIX
||
1267 op
== GL_TEXTURE_GEQUAL_R_SGIX
) {
1268 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1269 texObj
->CompareOperator
= op
;
1272 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexParameter(param)");
1276 _mesa_error(ctx
, GL_INVALID_ENUM
,
1277 "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
1281 case GL_SHADOW_AMBIENT_SGIX
: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
1282 if (ctx
->Extensions
.SGIX_shadow_ambient
) {
1283 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1284 texObj
->ShadowAmbient
= CLAMP(params
[0], 0.0F
, 1.0F
);
1287 _mesa_error(ctx
, GL_INVALID_ENUM
,
1288 "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
1292 case GL_GENERATE_MIPMAP_SGIS
:
1293 if (ctx
->Extensions
.SGIS_generate_mipmap
) {
1294 texObj
->GenerateMipmap
= params
[0] ? GL_TRUE
: GL_FALSE
;
1297 _mesa_error(ctx
, GL_INVALID_ENUM
,
1298 "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)");
1302 case GL_TEXTURE_COMPARE_MODE_ARB
:
1303 if (ctx
->Extensions
.ARB_shadow
) {
1304 const GLenum mode
= (GLenum
) params
[0];
1305 if (mode
== GL_NONE
|| mode
== GL_COMPARE_R_TO_TEXTURE_ARB
) {
1306 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1307 texObj
->CompareMode
= mode
;
1310 _mesa_error(ctx
, GL_INVALID_ENUM
,
1311 "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB)");
1316 _mesa_error(ctx
, GL_INVALID_ENUM
,
1317 "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)");
1321 case GL_TEXTURE_COMPARE_FUNC_ARB
:
1322 if (ctx
->Extensions
.ARB_shadow
) {
1323 const GLenum func
= (GLenum
) params
[0];
1324 if (func
== GL_LEQUAL
|| func
== GL_GEQUAL
) {
1325 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1326 texObj
->CompareFunc
= func
;
1328 else if (ctx
->Extensions
.EXT_shadow_funcs
&&
1329 (func
== GL_EQUAL
||
1330 func
== GL_NOTEQUAL
||
1332 func
== GL_GREATER
||
1333 func
== GL_ALWAYS
||
1334 func
== GL_NEVER
)) {
1335 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1336 texObj
->CompareFunc
= func
;
1339 _mesa_error(ctx
, GL_INVALID_ENUM
,
1340 "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)");
1345 _mesa_error(ctx
, GL_INVALID_ENUM
,
1346 "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)");
1350 case GL_DEPTH_TEXTURE_MODE_ARB
:
1351 if (ctx
->Extensions
.ARB_depth_texture
) {
1352 const GLenum result
= (GLenum
) params
[0];
1353 if (result
== GL_LUMINANCE
|| result
== GL_INTENSITY
1354 || result
== GL_ALPHA
) {
1355 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1356 texObj
->DepthMode
= result
;
1359 _mesa_error(ctx
, GL_INVALID_ENUM
,
1360 "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)");
1365 _mesa_error(ctx
, GL_INVALID_ENUM
,
1366 "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)");
1372 _mesa_error(ctx
, GL_INVALID_ENUM
,
1373 "glTexParameter(pname=0x%x)", pname
);
1377 texObj
->Complete
= GL_FALSE
;
1379 if (ctx
->Driver
.TexParameter
) {
1380 (*ctx
->Driver
.TexParameter
)( ctx
, target
, texObj
, pname
, params
);
1386 _mesa_TexParameteri( GLenum target
, GLenum pname
, GLint param
)
1389 fparam
[0] = (GLfloat
) param
;
1390 fparam
[1] = fparam
[2] = fparam
[3] = 0.0;
1391 _mesa_TexParameterfv(target
, pname
, fparam
);
1396 _mesa_TexParameteriv( GLenum target
, GLenum pname
, const GLint
*params
)
1399 if (pname
== GL_TEXTURE_BORDER_COLOR
) {
1400 fparam
[0] = INT_TO_FLOAT(params
[0]);
1401 fparam
[1] = INT_TO_FLOAT(params
[1]);
1402 fparam
[2] = INT_TO_FLOAT(params
[2]);
1403 fparam
[3] = INT_TO_FLOAT(params
[3]);
1406 fparam
[0] = (GLfloat
) params
[0];
1407 fparam
[1] = fparam
[2] = fparam
[3] = 0.0F
;
1409 _mesa_TexParameterfv(target
, pname
, fparam
);
1414 _mesa_GetTexLevelParameterfv( GLenum target
, GLint level
,
1415 GLenum pname
, GLfloat
*params
)
1418 _mesa_GetTexLevelParameteriv( target
, level
, pname
, &iparam
);
1419 *params
= (GLfloat
) iparam
;
1424 tex_image_dimensions(GLcontext
*ctx
, GLenum target
)
1428 case GL_PROXY_TEXTURE_1D
:
1431 case GL_PROXY_TEXTURE_2D
:
1434 case GL_PROXY_TEXTURE_3D
:
1436 case GL_TEXTURE_CUBE_MAP_ARB
:
1437 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1438 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
1439 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
1440 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
1441 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
1442 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
1443 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
1444 return ctx
->Extensions
.ARB_texture_cube_map
? 2 : 0;
1445 case GL_TEXTURE_RECTANGLE_NV
:
1446 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1447 return ctx
->Extensions
.NV_texture_rectangle
? 2 : 0;
1449 _mesa_problem(ctx
, "bad target in _mesa_tex_target_dimensions()");
1456 _mesa_GetTexLevelParameteriv( GLenum target
, GLint level
,
1457 GLenum pname
, GLint
*params
)
1459 GET_CURRENT_CONTEXT(ctx
);
1460 const struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1461 const struct gl_texture_image
*img
= NULL
;
1465 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1467 /* this will catch bad target values */
1468 dimensions
= tex_image_dimensions(ctx
, target
); /* 1, 2 or 3 */
1469 if (dimensions
== 0) {
1470 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexLevelParameter[if]v(target)");
1476 case GL_PROXY_TEXTURE_1D
:
1478 case GL_PROXY_TEXTURE_2D
:
1479 maxLevels
= ctx
->Const
.MaxTextureLevels
;
1482 case GL_PROXY_TEXTURE_3D
:
1483 maxLevels
= ctx
->Const
.Max3DTextureLevels
;
1485 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
1486 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
1487 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
1488 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
1489 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
1490 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
1491 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1492 maxLevels
= ctx
->Const
.MaxCubeTextureLevels
;
1494 case GL_TEXTURE_RECTANGLE_NV
:
1495 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1499 _mesa_problem(ctx
, "switch in _mesa_GetTexLevelParameter");
1503 if (level
< 0 || level
>= maxLevels
) {
1504 _mesa_error( ctx
, GL_INVALID_VALUE
, "glGetTexLevelParameter[if]v" );
1508 img
= _mesa_select_tex_image(ctx
, texUnit
, target
, level
);
1509 if (!img
|| !img
->TexFormat
) {
1510 /* undefined texture image */
1511 if (pname
== GL_TEXTURE_COMPONENTS
)
1518 isProxy
= (target
== GL_PROXY_TEXTURE_1D
) ||
1519 (target
== GL_PROXY_TEXTURE_2D
) ||
1520 (target
== GL_PROXY_TEXTURE_3D
) ||
1521 (target
== GL_PROXY_TEXTURE_CUBE_MAP_ARB
) ||
1522 (target
== GL_PROXY_TEXTURE_RECTANGLE_NV
);
1525 case GL_TEXTURE_WIDTH
:
1526 *params
= img
->Width
;
1528 case GL_TEXTURE_HEIGHT
:
1529 *params
= img
->Height
;
1531 case GL_TEXTURE_DEPTH
:
1532 *params
= img
->Depth
;
1534 case GL_TEXTURE_INTERNAL_FORMAT
:
1535 *params
= img
->IntFormat
;
1537 case GL_TEXTURE_BORDER
:
1538 *params
= img
->Border
;
1540 case GL_TEXTURE_RED_SIZE
:
1541 if (img
->Format
== GL_RGB
|| img
->Format
== GL_RGBA
)
1542 *params
= img
->TexFormat
->RedBits
;
1546 case GL_TEXTURE_GREEN_SIZE
:
1547 if (img
->Format
== GL_RGB
|| img
->Format
== GL_RGBA
)
1548 *params
= img
->TexFormat
->GreenBits
;
1552 case GL_TEXTURE_BLUE_SIZE
:
1553 if (img
->Format
== GL_RGB
|| img
->Format
== GL_RGBA
)
1554 *params
= img
->TexFormat
->BlueBits
;
1558 case GL_TEXTURE_ALPHA_SIZE
:
1559 if (img
->Format
== GL_ALPHA
|| img
->Format
== GL_LUMINANCE_ALPHA
||
1560 img
->Format
== GL_RGBA
)
1561 *params
= img
->TexFormat
->AlphaBits
;
1565 case GL_TEXTURE_INTENSITY_SIZE
:
1566 if (img
->Format
!= GL_INTENSITY
)
1568 else if (img
->TexFormat
->IntensityBits
> 0)
1569 *params
= img
->TexFormat
->IntensityBits
;
1570 else /* intensity probably stored as rgb texture */
1571 *params
= MIN2(img
->TexFormat
->RedBits
, img
->TexFormat
->GreenBits
);
1573 case GL_TEXTURE_LUMINANCE_SIZE
:
1574 if (img
->Format
!= GL_LUMINANCE
&&
1575 img
->Format
!= GL_LUMINANCE_ALPHA
)
1577 else if (img
->TexFormat
->LuminanceBits
> 0)
1578 *params
= img
->TexFormat
->LuminanceBits
;
1579 else /* luminance probably stored as rgb texture */
1580 *params
= MIN2(img
->TexFormat
->RedBits
, img
->TexFormat
->GreenBits
);
1582 case GL_TEXTURE_INDEX_SIZE_EXT
:
1583 if (img
->Format
== GL_COLOR_INDEX
)
1584 *params
= img
->TexFormat
->IndexBits
;
1589 /* XXX this isn't in the GL_SGIX_depth_texture spec
1590 * but seems appropriate.
1592 if (ctx
->Extensions
.SGIX_depth_texture
)
1593 *params
= img
->TexFormat
->DepthBits
;
1595 _mesa_error(ctx
, GL_INVALID_ENUM
,
1596 "glGetTexLevelParameter[if]v(pname)");
1599 /* GL_ARB_texture_compression */
1600 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB
:
1601 if (ctx
->Extensions
.ARB_texture_compression
) {
1602 if (img
->IsCompressed
&& !isProxy
)
1603 *params
= img
->CompressedSize
;
1605 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1606 "glGetTexLevelParameter[if]v(pname)");
1609 _mesa_error(ctx
, GL_INVALID_ENUM
,
1610 "glGetTexLevelParameter[if]v(pname)");
1613 case GL_TEXTURE_COMPRESSED_ARB
:
1614 if (ctx
->Extensions
.ARB_texture_compression
) {
1615 *params
= (GLint
) img
->IsCompressed
;
1618 _mesa_error(ctx
, GL_INVALID_ENUM
,
1619 "glGetTexLevelParameter[if]v(pname)");
1624 _mesa_error(ctx
, GL_INVALID_ENUM
,
1625 "glGetTexLevelParameter[if]v(pname)");
1632 _mesa_GetTexParameterfv( GLenum target
, GLenum pname
, GLfloat
*params
)
1634 GET_CURRENT_CONTEXT(ctx
);
1635 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1636 struct gl_texture_object
*obj
;
1637 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1639 obj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
1641 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexParameterfv(target)");
1646 case GL_TEXTURE_MAG_FILTER
:
1647 *params
= ENUM_TO_FLOAT(obj
->MagFilter
);
1649 case GL_TEXTURE_MIN_FILTER
:
1650 *params
= ENUM_TO_FLOAT(obj
->MinFilter
);
1652 case GL_TEXTURE_WRAP_S
:
1653 *params
= ENUM_TO_FLOAT(obj
->WrapS
);
1655 case GL_TEXTURE_WRAP_T
:
1656 *params
= ENUM_TO_FLOAT(obj
->WrapT
);
1658 case GL_TEXTURE_WRAP_R_EXT
:
1659 *params
= ENUM_TO_FLOAT(obj
->WrapR
);
1661 case GL_TEXTURE_BORDER_COLOR
:
1662 params
[0] = CLAMP(obj
->BorderColor
[0], 0.0F
, 1.0F
);
1663 params
[1] = CLAMP(obj
->BorderColor
[1], 0.0F
, 1.0F
);
1664 params
[2] = CLAMP(obj
->BorderColor
[2], 0.0F
, 1.0F
);
1665 params
[3] = CLAMP(obj
->BorderColor
[3], 0.0F
, 1.0F
);
1667 case GL_TEXTURE_RESIDENT
:
1670 if (ctx
->Driver
.IsTextureResident
)
1671 resident
= ctx
->Driver
.IsTextureResident(ctx
, obj
);
1674 *params
= ENUM_TO_FLOAT(resident
);
1677 case GL_TEXTURE_PRIORITY
:
1678 *params
= obj
->Priority
;
1680 case GL_TEXTURE_MIN_LOD
:
1681 *params
= obj
->MinLod
;
1683 case GL_TEXTURE_MAX_LOD
:
1684 *params
= obj
->MaxLod
;
1686 case GL_TEXTURE_BASE_LEVEL
:
1687 *params
= (GLfloat
) obj
->BaseLevel
;
1689 case GL_TEXTURE_MAX_LEVEL
:
1690 *params
= (GLfloat
) obj
->MaxLevel
;
1692 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
1693 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
1694 *params
= obj
->MaxAnisotropy
;
1698 case GL_TEXTURE_COMPARE_SGIX
:
1699 if (ctx
->Extensions
.SGIX_shadow
) {
1700 *params
= (GLfloat
) obj
->CompareFlag
;
1704 case GL_TEXTURE_COMPARE_OPERATOR_SGIX
:
1705 if (ctx
->Extensions
.SGIX_shadow
) {
1706 *params
= (GLfloat
) obj
->CompareOperator
;
1710 case GL_SHADOW_AMBIENT_SGIX
: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
1711 if (ctx
->Extensions
.SGIX_shadow_ambient
) {
1712 *params
= obj
->ShadowAmbient
;
1716 case GL_GENERATE_MIPMAP_SGIS
:
1717 if (ctx
->Extensions
.SGIS_generate_mipmap
) {
1718 *params
= (GLfloat
) obj
->GenerateMipmap
;
1722 case GL_TEXTURE_COMPARE_MODE_ARB
:
1723 if (ctx
->Extensions
.ARB_shadow
) {
1724 *params
= (GLfloat
) obj
->CompareMode
;
1728 case GL_TEXTURE_COMPARE_FUNC_ARB
:
1729 if (ctx
->Extensions
.ARB_shadow
) {
1730 *params
= (GLfloat
) obj
->CompareFunc
;
1734 case GL_DEPTH_TEXTURE_MODE_ARB
:
1735 if (ctx
->Extensions
.ARB_depth_texture
) {
1736 *params
= (GLfloat
) obj
->DepthMode
;
1741 ; /* silence warnings */
1743 /* If we get here, pname was an unrecognized enum */
1744 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexParameterfv(pname)" );
1749 _mesa_GetTexParameteriv( GLenum target
, GLenum pname
, GLint
*params
)
1751 GET_CURRENT_CONTEXT(ctx
);
1752 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1753 struct gl_texture_object
*obj
;
1754 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1756 obj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
1758 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexParameteriv(target)");
1763 case GL_TEXTURE_MAG_FILTER
:
1764 *params
= (GLint
) obj
->MagFilter
;
1766 case GL_TEXTURE_MIN_FILTER
:
1767 *params
= (GLint
) obj
->MinFilter
;
1769 case GL_TEXTURE_WRAP_S
:
1770 *params
= (GLint
) obj
->WrapS
;
1772 case GL_TEXTURE_WRAP_T
:
1773 *params
= (GLint
) obj
->WrapT
;
1775 case GL_TEXTURE_WRAP_R_EXT
:
1776 *params
= (GLint
) obj
->WrapR
;
1778 case GL_TEXTURE_BORDER_COLOR
:
1781 b
[0] = CLAMP(obj
->BorderColor
[0], 0.0F
, 1.0F
);
1782 b
[1] = CLAMP(obj
->BorderColor
[1], 0.0F
, 1.0F
);
1783 b
[2] = CLAMP(obj
->BorderColor
[2], 0.0F
, 1.0F
);
1784 b
[3] = CLAMP(obj
->BorderColor
[3], 0.0F
, 1.0F
);
1785 params
[0] = FLOAT_TO_INT(b
[0]);
1786 params
[1] = FLOAT_TO_INT(b
[1]);
1787 params
[2] = FLOAT_TO_INT(b
[2]);
1788 params
[3] = FLOAT_TO_INT(b
[3]);
1791 case GL_TEXTURE_RESIDENT
:
1794 if (ctx
->Driver
.IsTextureResident
)
1795 resident
= ctx
->Driver
.IsTextureResident(ctx
, obj
);
1798 *params
= (GLint
) resident
;
1801 case GL_TEXTURE_PRIORITY
:
1802 *params
= (GLint
) obj
->Priority
;
1804 case GL_TEXTURE_MIN_LOD
:
1805 *params
= (GLint
) obj
->MinLod
;
1807 case GL_TEXTURE_MAX_LOD
:
1808 *params
= (GLint
) obj
->MaxLod
;
1810 case GL_TEXTURE_BASE_LEVEL
:
1811 *params
= obj
->BaseLevel
;
1813 case GL_TEXTURE_MAX_LEVEL
:
1814 *params
= obj
->MaxLevel
;
1816 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
1817 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
1818 *params
= (GLint
) obj
->MaxAnisotropy
;
1822 case GL_TEXTURE_COMPARE_SGIX
:
1823 if (ctx
->Extensions
.SGIX_shadow
) {
1824 *params
= (GLint
) obj
->CompareFlag
;
1828 case GL_TEXTURE_COMPARE_OPERATOR_SGIX
:
1829 if (ctx
->Extensions
.SGIX_shadow
) {
1830 *params
= (GLint
) obj
->CompareOperator
;
1834 case GL_SHADOW_AMBIENT_SGIX
: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
1835 if (ctx
->Extensions
.SGIX_shadow_ambient
) {
1836 *params
= (GLint
) FLOAT_TO_INT(obj
->ShadowAmbient
);
1840 case GL_GENERATE_MIPMAP_SGIS
:
1841 if (ctx
->Extensions
.SGIS_generate_mipmap
) {
1842 *params
= (GLint
) obj
->GenerateMipmap
;
1846 case GL_TEXTURE_COMPARE_MODE_ARB
:
1847 if (ctx
->Extensions
.ARB_shadow
) {
1848 *params
= (GLint
) obj
->CompareMode
;
1852 case GL_TEXTURE_COMPARE_FUNC_ARB
:
1853 if (ctx
->Extensions
.ARB_shadow
) {
1854 *params
= (GLint
) obj
->CompareFunc
;
1858 case GL_DEPTH_TEXTURE_MODE_ARB
:
1859 if (ctx
->Extensions
.ARB_depth_texture
) {
1860 *params
= (GLint
) obj
->DepthMode
;
1865 ; /* silence warnings */
1867 /* If we get here, pname was an unrecognized enum */
1868 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexParameteriv(pname)" );
1874 /**********************************************************************/
1875 /* Texture Coord Generation */
1876 /**********************************************************************/
1880 _mesa_TexGenfv( GLenum coord
, GLenum pname
, const GLfloat
*params
)
1882 GET_CURRENT_CONTEXT(ctx
);
1883 GLuint tUnit
= ctx
->Texture
.CurrentUnit
;
1884 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[tUnit
];
1885 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1887 if (MESA_VERBOSE
&(VERBOSE_API
|VERBOSE_TEXTURE
))
1888 _mesa_debug(ctx
, "texGEN %s %s %x...\n",
1889 _mesa_lookup_enum_by_nr(coord
),
1890 _mesa_lookup_enum_by_nr(pname
),
1895 if (pname
==GL_TEXTURE_GEN_MODE
) {
1896 GLenum mode
= (GLenum
) (GLint
) *params
;
1899 case GL_OBJECT_LINEAR
:
1900 bits
= TEXGEN_OBJ_LINEAR
;
1903 bits
= TEXGEN_EYE_LINEAR
;
1905 case GL_REFLECTION_MAP_NV
:
1906 bits
= TEXGEN_REFLECTION_MAP_NV
;
1908 case GL_NORMAL_MAP_NV
:
1909 bits
= TEXGEN_NORMAL_MAP_NV
;
1912 bits
= TEXGEN_SPHERE_MAP
;
1915 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(param)" );
1918 if (texUnit
->GenModeS
== mode
)
1920 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1921 texUnit
->GenModeS
= mode
;
1922 texUnit
->_GenBitS
= bits
;
1924 else if (pname
==GL_OBJECT_PLANE
) {
1925 if (TEST_EQ_4V(texUnit
->ObjectPlaneS
, params
))
1927 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1928 texUnit
->ObjectPlaneS
[0] = params
[0];
1929 texUnit
->ObjectPlaneS
[1] = params
[1];
1930 texUnit
->ObjectPlaneS
[2] = params
[2];
1931 texUnit
->ObjectPlaneS
[3] = params
[3];
1933 else if (pname
==GL_EYE_PLANE
) {
1936 /* Transform plane equation by the inverse modelview matrix */
1937 if (ctx
->ModelviewMatrixStack
.Top
->flags
& MAT_DIRTY_INVERSE
) {
1938 _math_matrix_analyse( ctx
->ModelviewMatrixStack
.Top
);
1940 _mesa_transform_vector( tmp
, params
, ctx
->ModelviewMatrixStack
.Top
->inv
);
1941 if (TEST_EQ_4V(texUnit
->EyePlaneS
, tmp
))
1943 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1944 COPY_4FV(texUnit
->EyePlaneS
, tmp
);
1947 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(pname)" );
1952 if (pname
==GL_TEXTURE_GEN_MODE
) {
1953 GLenum mode
= (GLenum
) (GLint
) *params
;
1956 case GL_OBJECT_LINEAR
:
1957 bitt
= TEXGEN_OBJ_LINEAR
;
1960 bitt
= TEXGEN_EYE_LINEAR
;
1962 case GL_REFLECTION_MAP_NV
:
1963 bitt
= TEXGEN_REFLECTION_MAP_NV
;
1965 case GL_NORMAL_MAP_NV
:
1966 bitt
= TEXGEN_NORMAL_MAP_NV
;
1969 bitt
= TEXGEN_SPHERE_MAP
;
1972 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(param)" );
1975 if (texUnit
->GenModeT
== mode
)
1977 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1978 texUnit
->GenModeT
= mode
;
1979 texUnit
->_GenBitT
= bitt
;
1981 else if (pname
==GL_OBJECT_PLANE
) {
1982 if (TEST_EQ_4V(texUnit
->ObjectPlaneT
, params
))
1984 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
1985 texUnit
->ObjectPlaneT
[0] = params
[0];
1986 texUnit
->ObjectPlaneT
[1] = params
[1];
1987 texUnit
->ObjectPlaneT
[2] = params
[2];
1988 texUnit
->ObjectPlaneT
[3] = params
[3];
1990 else if (pname
==GL_EYE_PLANE
) {
1992 /* Transform plane equation by the inverse modelview matrix */
1993 if (ctx
->ModelviewMatrixStack
.Top
->flags
& MAT_DIRTY_INVERSE
) {
1994 _math_matrix_analyse( ctx
->ModelviewMatrixStack
.Top
);
1996 _mesa_transform_vector( tmp
, params
, ctx
->ModelviewMatrixStack
.Top
->inv
);
1997 if (TEST_EQ_4V(texUnit
->EyePlaneT
, tmp
))
1999 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2000 COPY_4FV(texUnit
->EyePlaneT
, tmp
);
2003 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(pname)" );
2008 if (pname
==GL_TEXTURE_GEN_MODE
) {
2009 GLenum mode
= (GLenum
) (GLint
) *params
;
2012 case GL_OBJECT_LINEAR
:
2013 bitr
= TEXGEN_OBJ_LINEAR
;
2015 case GL_REFLECTION_MAP_NV
:
2016 bitr
= TEXGEN_REFLECTION_MAP_NV
;
2018 case GL_NORMAL_MAP_NV
:
2019 bitr
= TEXGEN_NORMAL_MAP_NV
;
2022 bitr
= TEXGEN_EYE_LINEAR
;
2025 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(param)" );
2028 if (texUnit
->GenModeR
== mode
)
2030 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2031 texUnit
->GenModeR
= mode
;
2032 texUnit
->_GenBitR
= bitr
;
2034 else if (pname
==GL_OBJECT_PLANE
) {
2035 if (TEST_EQ_4V(texUnit
->ObjectPlaneR
, params
))
2037 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2038 texUnit
->ObjectPlaneR
[0] = params
[0];
2039 texUnit
->ObjectPlaneR
[1] = params
[1];
2040 texUnit
->ObjectPlaneR
[2] = params
[2];
2041 texUnit
->ObjectPlaneR
[3] = params
[3];
2043 else if (pname
==GL_EYE_PLANE
) {
2045 /* Transform plane equation by the inverse modelview matrix */
2046 if (ctx
->ModelviewMatrixStack
.Top
->flags
& MAT_DIRTY_INVERSE
) {
2047 _math_matrix_analyse( ctx
->ModelviewMatrixStack
.Top
);
2049 _mesa_transform_vector( tmp
, params
, ctx
->ModelviewMatrixStack
.Top
->inv
);
2050 if (TEST_EQ_4V(texUnit
->EyePlaneR
, tmp
))
2052 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2053 COPY_4FV(texUnit
->EyePlaneR
, tmp
);
2056 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(pname)" );
2061 if (pname
==GL_TEXTURE_GEN_MODE
) {
2062 GLenum mode
= (GLenum
) (GLint
) *params
;
2065 case GL_OBJECT_LINEAR
:
2066 bitq
= TEXGEN_OBJ_LINEAR
;
2069 bitq
= TEXGEN_EYE_LINEAR
;
2072 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(param)" );
2075 if (texUnit
->GenModeQ
== mode
)
2077 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2078 texUnit
->GenModeQ
= mode
;
2079 texUnit
->_GenBitQ
= bitq
;
2081 else if (pname
==GL_OBJECT_PLANE
) {
2082 if (TEST_EQ_4V(texUnit
->ObjectPlaneQ
, params
))
2084 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2085 texUnit
->ObjectPlaneQ
[0] = params
[0];
2086 texUnit
->ObjectPlaneQ
[1] = params
[1];
2087 texUnit
->ObjectPlaneQ
[2] = params
[2];
2088 texUnit
->ObjectPlaneQ
[3] = params
[3];
2090 else if (pname
==GL_EYE_PLANE
) {
2092 /* Transform plane equation by the inverse modelview matrix */
2093 if (ctx
->ModelviewMatrixStack
.Top
->flags
& MAT_DIRTY_INVERSE
) {
2094 _math_matrix_analyse( ctx
->ModelviewMatrixStack
.Top
);
2096 _mesa_transform_vector( tmp
, params
, ctx
->ModelviewMatrixStack
.Top
->inv
);
2097 if (TEST_EQ_4V(texUnit
->EyePlaneQ
, tmp
))
2099 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2100 COPY_4FV(texUnit
->EyePlaneQ
, tmp
);
2103 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(pname)" );
2108 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexGenfv(coord)" );
2112 if (ctx
->Driver
.TexGen
)
2113 ctx
->Driver
.TexGen( ctx
, coord
, pname
, params
);
2118 _mesa_TexGeniv(GLenum coord
, GLenum pname
, const GLint
*params
)
2121 p
[0] = (GLfloat
) params
[0];
2122 p
[1] = (GLfloat
) params
[1];
2123 p
[2] = (GLfloat
) params
[2];
2124 p
[3] = (GLfloat
) params
[3];
2125 _mesa_TexGenfv(coord
, pname
, p
);
2130 _mesa_TexGend(GLenum coord
, GLenum pname
, GLdouble param
)
2132 GLfloat p
= (GLfloat
) param
;
2133 _mesa_TexGenfv( coord
, pname
, &p
);
2138 _mesa_TexGendv(GLenum coord
, GLenum pname
, const GLdouble
*params
)
2141 p
[0] = (GLfloat
) params
[0];
2142 p
[1] = (GLfloat
) params
[1];
2143 p
[2] = (GLfloat
) params
[2];
2144 p
[3] = (GLfloat
) params
[3];
2145 _mesa_TexGenfv( coord
, pname
, p
);
2150 _mesa_TexGenf( GLenum coord
, GLenum pname
, GLfloat param
)
2152 _mesa_TexGenfv(coord
, pname
, ¶m
);
2157 _mesa_TexGeni( GLenum coord
, GLenum pname
, GLint param
)
2159 _mesa_TexGeniv( coord
, pname
, ¶m
);
2165 _mesa_GetTexGendv( GLenum coord
, GLenum pname
, GLdouble
*params
)
2167 GET_CURRENT_CONTEXT(ctx
);
2168 GLuint tUnit
= ctx
->Texture
.CurrentUnit
;
2169 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[tUnit
];
2170 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2174 if (pname
==GL_TEXTURE_GEN_MODE
) {
2175 params
[0] = ENUM_TO_DOUBLE(texUnit
->GenModeS
);
2177 else if (pname
==GL_OBJECT_PLANE
) {
2178 COPY_4V( params
, texUnit
->ObjectPlaneS
);
2180 else if (pname
==GL_EYE_PLANE
) {
2181 COPY_4V( params
, texUnit
->EyePlaneS
);
2184 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGendv(pname)" );
2189 if (pname
==GL_TEXTURE_GEN_MODE
) {
2190 params
[0] = ENUM_TO_DOUBLE(texUnit
->GenModeT
);
2192 else if (pname
==GL_OBJECT_PLANE
) {
2193 COPY_4V( params
, texUnit
->ObjectPlaneT
);
2195 else if (pname
==GL_EYE_PLANE
) {
2196 COPY_4V( params
, texUnit
->EyePlaneT
);
2199 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGendv(pname)" );
2204 if (pname
==GL_TEXTURE_GEN_MODE
) {
2205 params
[0] = ENUM_TO_DOUBLE(texUnit
->GenModeR
);
2207 else if (pname
==GL_OBJECT_PLANE
) {
2208 COPY_4V( params
, texUnit
->ObjectPlaneR
);
2210 else if (pname
==GL_EYE_PLANE
) {
2211 COPY_4V( params
, texUnit
->EyePlaneR
);
2214 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGendv(pname)" );
2219 if (pname
==GL_TEXTURE_GEN_MODE
) {
2220 params
[0] = ENUM_TO_DOUBLE(texUnit
->GenModeQ
);
2222 else if (pname
==GL_OBJECT_PLANE
) {
2223 COPY_4V( params
, texUnit
->ObjectPlaneQ
);
2225 else if (pname
==GL_EYE_PLANE
) {
2226 COPY_4V( params
, texUnit
->EyePlaneQ
);
2229 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGendv(pname)" );
2234 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGendv(coord)" );
2242 _mesa_GetTexGenfv( GLenum coord
, GLenum pname
, GLfloat
*params
)
2244 GET_CURRENT_CONTEXT(ctx
);
2245 GLuint tUnit
= ctx
->Texture
.CurrentUnit
;
2246 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[tUnit
];
2247 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2251 if (pname
==GL_TEXTURE_GEN_MODE
) {
2252 params
[0] = ENUM_TO_FLOAT(texUnit
->GenModeS
);
2254 else if (pname
==GL_OBJECT_PLANE
) {
2255 COPY_4V( params
, texUnit
->ObjectPlaneS
);
2257 else if (pname
==GL_EYE_PLANE
) {
2258 COPY_4V( params
, texUnit
->EyePlaneS
);
2261 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGenfv(pname)" );
2266 if (pname
==GL_TEXTURE_GEN_MODE
) {
2267 params
[0] = ENUM_TO_FLOAT(texUnit
->GenModeT
);
2269 else if (pname
==GL_OBJECT_PLANE
) {
2270 COPY_4V( params
, texUnit
->ObjectPlaneT
);
2272 else if (pname
==GL_EYE_PLANE
) {
2273 COPY_4V( params
, texUnit
->EyePlaneT
);
2276 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGenfv(pname)" );
2281 if (pname
==GL_TEXTURE_GEN_MODE
) {
2282 params
[0] = ENUM_TO_FLOAT(texUnit
->GenModeR
);
2284 else if (pname
==GL_OBJECT_PLANE
) {
2285 COPY_4V( params
, texUnit
->ObjectPlaneR
);
2287 else if (pname
==GL_EYE_PLANE
) {
2288 COPY_4V( params
, texUnit
->EyePlaneR
);
2291 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGenfv(pname)" );
2296 if (pname
==GL_TEXTURE_GEN_MODE
) {
2297 params
[0] = ENUM_TO_FLOAT(texUnit
->GenModeQ
);
2299 else if (pname
==GL_OBJECT_PLANE
) {
2300 COPY_4V( params
, texUnit
->ObjectPlaneQ
);
2302 else if (pname
==GL_EYE_PLANE
) {
2303 COPY_4V( params
, texUnit
->EyePlaneQ
);
2306 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGenfv(pname)" );
2311 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGenfv(coord)" );
2319 _mesa_GetTexGeniv( GLenum coord
, GLenum pname
, GLint
*params
)
2321 GET_CURRENT_CONTEXT(ctx
);
2322 GLuint tUnit
= ctx
->Texture
.CurrentUnit
;
2323 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[tUnit
];
2324 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2328 if (pname
==GL_TEXTURE_GEN_MODE
) {
2329 params
[0] = texUnit
->GenModeS
;
2331 else if (pname
==GL_OBJECT_PLANE
) {
2332 params
[0] = (GLint
) texUnit
->ObjectPlaneS
[0];
2333 params
[1] = (GLint
) texUnit
->ObjectPlaneS
[1];
2334 params
[2] = (GLint
) texUnit
->ObjectPlaneS
[2];
2335 params
[3] = (GLint
) texUnit
->ObjectPlaneS
[3];
2337 else if (pname
==GL_EYE_PLANE
) {
2338 params
[0] = (GLint
) texUnit
->EyePlaneS
[0];
2339 params
[1] = (GLint
) texUnit
->EyePlaneS
[1];
2340 params
[2] = (GLint
) texUnit
->EyePlaneS
[2];
2341 params
[3] = (GLint
) texUnit
->EyePlaneS
[3];
2344 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGeniv(pname)" );
2349 if (pname
==GL_TEXTURE_GEN_MODE
) {
2350 params
[0] = texUnit
->GenModeT
;
2352 else if (pname
==GL_OBJECT_PLANE
) {
2353 params
[0] = (GLint
) texUnit
->ObjectPlaneT
[0];
2354 params
[1] = (GLint
) texUnit
->ObjectPlaneT
[1];
2355 params
[2] = (GLint
) texUnit
->ObjectPlaneT
[2];
2356 params
[3] = (GLint
) texUnit
->ObjectPlaneT
[3];
2358 else if (pname
==GL_EYE_PLANE
) {
2359 params
[0] = (GLint
) texUnit
->EyePlaneT
[0];
2360 params
[1] = (GLint
) texUnit
->EyePlaneT
[1];
2361 params
[2] = (GLint
) texUnit
->EyePlaneT
[2];
2362 params
[3] = (GLint
) texUnit
->EyePlaneT
[3];
2365 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGeniv(pname)" );
2370 if (pname
==GL_TEXTURE_GEN_MODE
) {
2371 params
[0] = texUnit
->GenModeR
;
2373 else if (pname
==GL_OBJECT_PLANE
) {
2374 params
[0] = (GLint
) texUnit
->ObjectPlaneR
[0];
2375 params
[1] = (GLint
) texUnit
->ObjectPlaneR
[1];
2376 params
[2] = (GLint
) texUnit
->ObjectPlaneR
[2];
2377 params
[3] = (GLint
) texUnit
->ObjectPlaneR
[3];
2379 else if (pname
==GL_EYE_PLANE
) {
2380 params
[0] = (GLint
) texUnit
->EyePlaneR
[0];
2381 params
[1] = (GLint
) texUnit
->EyePlaneR
[1];
2382 params
[2] = (GLint
) texUnit
->EyePlaneR
[2];
2383 params
[3] = (GLint
) texUnit
->EyePlaneR
[3];
2386 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGeniv(pname)" );
2391 if (pname
==GL_TEXTURE_GEN_MODE
) {
2392 params
[0] = texUnit
->GenModeQ
;
2394 else if (pname
==GL_OBJECT_PLANE
) {
2395 params
[0] = (GLint
) texUnit
->ObjectPlaneQ
[0];
2396 params
[1] = (GLint
) texUnit
->ObjectPlaneQ
[1];
2397 params
[2] = (GLint
) texUnit
->ObjectPlaneQ
[2];
2398 params
[3] = (GLint
) texUnit
->ObjectPlaneQ
[3];
2400 else if (pname
==GL_EYE_PLANE
) {
2401 params
[0] = (GLint
) texUnit
->EyePlaneQ
[0];
2402 params
[1] = (GLint
) texUnit
->EyePlaneQ
[1];
2403 params
[2] = (GLint
) texUnit
->EyePlaneQ
[2];
2404 params
[3] = (GLint
) texUnit
->EyePlaneQ
[3];
2407 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGeniv(pname)" );
2412 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetTexGeniv(coord)" );
2418 /* GL_ARB_multitexture */
2420 _mesa_ActiveTextureARB( GLenum target
)
2422 GET_CURRENT_CONTEXT(ctx
);
2423 GLuint texUnit
= target
- GL_TEXTURE0_ARB
;
2424 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2426 if (MESA_VERBOSE
& (VERBOSE_API
|VERBOSE_TEXTURE
))
2427 _mesa_debug(ctx
, "glActiveTexture %s\n",
2428 _mesa_lookup_enum_by_nr(target
));
2430 if (texUnit
> ctx
->Const
.MaxTextureUnits
) {
2431 _mesa_error(ctx
, GL_INVALID_ENUM
, "glActiveTextureARB(target)");
2435 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
2436 ctx
->Texture
.CurrentUnit
= texUnit
;
2437 if (ctx
->Driver
.ActiveTexture
) {
2438 (*ctx
->Driver
.ActiveTexture
)( ctx
, (GLuint
) texUnit
);
2443 /* GL_ARB_multitexture */
2445 _mesa_ClientActiveTextureARB( GLenum target
)
2447 GET_CURRENT_CONTEXT(ctx
);
2448 GLuint texUnit
= target
- GL_TEXTURE0_ARB
;
2449 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2451 if (texUnit
> ctx
->Const
.MaxTextureUnits
) {
2452 _mesa_error(ctx
, GL_INVALID_ENUM
, "glClientActiveTextureARB(target)");
2456 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
2457 ctx
->Array
.ActiveTexture
= texUnit
;
2462 /**********************************************************************/
2463 /* Pixel Texgen Extensions */
2464 /**********************************************************************/
2467 _mesa_PixelTexGenSGIX(GLenum mode
)
2469 GLenum newRgbSource
, newAlphaSource
;
2470 GET_CURRENT_CONTEXT(ctx
);
2471 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2475 newRgbSource
= GL_PIXEL_GROUP_COLOR_SGIS
;
2476 newAlphaSource
= GL_PIXEL_GROUP_COLOR_SGIS
;
2479 newRgbSource
= GL_PIXEL_GROUP_COLOR_SGIS
;
2480 newAlphaSource
= GL_CURRENT_RASTER_COLOR
;
2483 newRgbSource
= GL_CURRENT_RASTER_COLOR
;
2484 newAlphaSource
= GL_PIXEL_GROUP_COLOR_SGIS
;
2487 newRgbSource
= GL_CURRENT_RASTER_COLOR
;
2488 newAlphaSource
= GL_CURRENT_RASTER_COLOR
;
2491 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPixelTexGenSGIX(mode)");
2495 if (newRgbSource
== ctx
->Pixel
.FragmentRgbSource
&&
2496 newAlphaSource
== ctx
->Pixel
.FragmentAlphaSource
)
2499 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
2500 ctx
->Pixel
.FragmentRgbSource
= newRgbSource
;
2501 ctx
->Pixel
.FragmentAlphaSource
= newAlphaSource
;
2506 _mesa_PixelTexGenParameterfSGIS(GLenum target
, GLfloat value
)
2508 _mesa_PixelTexGenParameteriSGIS(target
, (GLint
) value
);
2513 _mesa_PixelTexGenParameterfvSGIS(GLenum target
, const GLfloat
*value
)
2515 _mesa_PixelTexGenParameteriSGIS(target
, (GLint
) *value
);
2520 _mesa_PixelTexGenParameteriSGIS(GLenum target
, GLint value
)
2522 GET_CURRENT_CONTEXT(ctx
);
2523 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2525 if (value
!= GL_CURRENT_RASTER_COLOR
&& value
!= GL_PIXEL_GROUP_COLOR_SGIS
) {
2526 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPixelTexGenParameterSGIS(value)");
2531 case GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS
:
2532 if (ctx
->Pixel
.FragmentRgbSource
== (GLenum
) value
)
2534 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
2535 ctx
->Pixel
.FragmentRgbSource
= (GLenum
) value
;
2537 case GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS
:
2538 if (ctx
->Pixel
.FragmentAlphaSource
== (GLenum
) value
)
2540 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
2541 ctx
->Pixel
.FragmentAlphaSource
= (GLenum
) value
;
2544 _mesa_error(ctx
, GL_INVALID_ENUM
, "glPixelTexGenParameterSGIS(target)");
2551 _mesa_PixelTexGenParameterivSGIS(GLenum target
, const GLint
*value
)
2553 _mesa_PixelTexGenParameteriSGIS(target
, *value
);
2558 _mesa_GetPixelTexGenParameterfvSGIS(GLenum target
, GLfloat
*value
)
2560 GET_CURRENT_CONTEXT(ctx
);
2561 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2563 if (target
== GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS
) {
2564 *value
= (GLfloat
) ctx
->Pixel
.FragmentRgbSource
;
2566 else if (target
== GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS
) {
2567 *value
= (GLfloat
) ctx
->Pixel
.FragmentAlphaSource
;
2570 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetPixelTexGenParameterfvSGIS(target)");
2576 _mesa_GetPixelTexGenParameterivSGIS(GLenum target
, GLint
*value
)
2578 GET_CURRENT_CONTEXT(ctx
);
2579 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2581 if (target
== GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS
) {
2582 *value
= (GLint
) ctx
->Pixel
.FragmentRgbSource
;
2584 else if (target
== GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS
) {
2585 *value
= (GLint
) ctx
->Pixel
.FragmentAlphaSource
;
2588 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetPixelTexGenParameterivSGIS(target)");