2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
29 * glTexParameter-related functions
33 #include "main/glheader.h"
34 #include "main/blend.h"
35 #include "main/colormac.h"
36 #include "main/context.h"
37 #include "main/enums.h"
38 #include "main/formats.h"
39 #include "main/glformats.h"
40 #include "main/macros.h"
41 #include "main/mtypes.h"
42 #include "main/state.h"
43 #include "main/texcompress.h"
44 #include "main/texobj.h"
45 #include "main/texparam.h"
46 #include "main/teximage.h"
47 #include "main/texstate.h"
48 #include "program/prog_instruction.h"
52 * Check if a coordinate wrap mode is supported for the texture target.
53 * \return GL_TRUE if legal, GL_FALSE otherwise
56 validate_texture_wrap_mode(struct gl_context
* ctx
, GLenum target
, GLenum wrap
)
58 const struct gl_extensions
* const e
= & ctx
->Extensions
;
59 const bool is_desktop_gl
= _mesa_is_desktop_gl(ctx
);
64 /* GL_CLAMP was removed in the core profile, and it has never existed in
67 supported
= (ctx
->API
== API_OPENGL_COMPAT
)
68 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
71 case GL_CLAMP_TO_EDGE
:
75 case GL_CLAMP_TO_BORDER
:
76 supported
= is_desktop_gl
&& e
->ARB_texture_border_clamp
77 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
81 case GL_MIRRORED_REPEAT
:
82 supported
= (target
!= GL_TEXTURE_RECTANGLE_NV
)
83 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
86 case GL_MIRROR_CLAMP_EXT
:
87 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
88 supported
= is_desktop_gl
89 && (e
->ATI_texture_mirror_once
|| e
->EXT_texture_mirror_clamp
)
90 && (target
!= GL_TEXTURE_RECTANGLE_NV
)
91 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
94 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
95 supported
= is_desktop_gl
&& e
->EXT_texture_mirror_clamp
96 && (target
!= GL_TEXTURE_RECTANGLE_NV
)
97 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
106 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexParameter(param=0x%x)", wrap
);
113 * Get current texture object for given target.
114 * Return NULL if any error (and record the error).
115 * Note that this is different from _mesa_select_tex_object() in that proxy
116 * targets are not accepted.
117 * Only the glGetTexLevelParameter() functions accept proxy targets.
119 static struct gl_texture_object
*
120 get_texobj(struct gl_context
*ctx
, GLenum target
, GLboolean get
)
122 struct gl_texture_unit
*texUnit
;
124 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxCombinedTextureImageUnits
) {
125 _mesa_error(ctx
, GL_INVALID_OPERATION
,
126 "gl%sTexParameter(current unit)", get
? "Get" : "");
130 texUnit
= _mesa_get_current_tex_unit(ctx
);
134 if (_mesa_is_desktop_gl(ctx
))
135 return texUnit
->CurrentTex
[TEXTURE_1D_INDEX
];
138 return texUnit
->CurrentTex
[TEXTURE_2D_INDEX
];
140 if (ctx
->API
!= API_OPENGLES
)
141 return texUnit
->CurrentTex
[TEXTURE_3D_INDEX
];
143 case GL_TEXTURE_CUBE_MAP
:
144 if (ctx
->Extensions
.ARB_texture_cube_map
) {
145 return texUnit
->CurrentTex
[TEXTURE_CUBE_INDEX
];
148 case GL_TEXTURE_RECTANGLE_NV
:
149 if (_mesa_is_desktop_gl(ctx
)
150 && ctx
->Extensions
.NV_texture_rectangle
) {
151 return texUnit
->CurrentTex
[TEXTURE_RECT_INDEX
];
154 case GL_TEXTURE_1D_ARRAY_EXT
:
155 if (_mesa_is_desktop_gl(ctx
)
156 && (ctx
->Extensions
.MESA_texture_array
||
157 ctx
->Extensions
.EXT_texture_array
)) {
158 return texUnit
->CurrentTex
[TEXTURE_1D_ARRAY_INDEX
];
161 case GL_TEXTURE_2D_ARRAY_EXT
:
162 if ((_mesa_is_desktop_gl(ctx
) || _mesa_is_gles3(ctx
))
163 && (ctx
->Extensions
.MESA_texture_array
||
164 ctx
->Extensions
.EXT_texture_array
)) {
165 return texUnit
->CurrentTex
[TEXTURE_2D_ARRAY_INDEX
];
168 case GL_TEXTURE_EXTERNAL_OES
:
169 if (_mesa_is_gles(ctx
) && ctx
->Extensions
.OES_EGL_image_external
) {
170 return texUnit
->CurrentTex
[TEXTURE_EXTERNAL_INDEX
];
173 case GL_TEXTURE_CUBE_MAP_ARRAY
:
174 if (ctx
->Extensions
.ARB_texture_cube_map_array
) {
175 return texUnit
->CurrentTex
[TEXTURE_CUBE_ARRAY_INDEX
];
178 case GL_TEXTURE_2D_MULTISAMPLE
:
179 if (ctx
->Extensions
.ARB_texture_multisample
) {
180 return texUnit
->CurrentTex
[TEXTURE_2D_MULTISAMPLE_INDEX
];
183 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
184 if (ctx
->Extensions
.ARB_texture_multisample
) {
185 return texUnit
->CurrentTex
[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
];
192 _mesa_error(ctx
, GL_INVALID_ENUM
,
193 "gl%sTexParameter(target)", get
? "Get" : "");
199 * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
200 * \return -1 if error.
203 comp_to_swizzle(GLenum comp
)
225 set_swizzle_component(GLuint
*swizzle
, GLuint comp
, GLuint swz
)
228 ASSERT(swz
<= SWIZZLE_NIL
);
230 GLuint mask
= 0x7 << (3 * comp
);
231 GLuint s
= (*swizzle
& ~mask
) | (swz
<< (3 * comp
));
238 * This is called just prior to changing any texture object state which
239 * will not effect texture completeness.
242 flush(struct gl_context
*ctx
)
244 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
249 * This is called just prior to changing any texture object state which
250 * can effect texture completeness (texture base level, max level).
251 * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
252 * state flag and then mark the texture object as 'incomplete' so that any
253 * per-texture derived state gets recomputed.
256 incomplete(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
258 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
259 _mesa_dirty_texobj(ctx
, texObj
, GL_TRUE
);
264 target_allows_setting_sampler_parameters(GLenum target
)
267 case GL_TEXTURE_2D_MULTISAMPLE
:
268 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
278 * Set an integer-valued texture parameter
279 * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
282 set_tex_parameteri(struct gl_context
*ctx
,
283 struct gl_texture_object
*texObj
,
284 GLenum pname
, const GLint
*params
)
287 case GL_TEXTURE_MIN_FILTER
:
288 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
289 goto invalid_operation
;
291 if (texObj
->Sampler
.MinFilter
== params
[0])
297 texObj
->Sampler
.MinFilter
= params
[0];
299 case GL_NEAREST_MIPMAP_NEAREST
:
300 case GL_LINEAR_MIPMAP_NEAREST
:
301 case GL_NEAREST_MIPMAP_LINEAR
:
302 case GL_LINEAR_MIPMAP_LINEAR
:
303 if (texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
&&
304 texObj
->Target
!= GL_TEXTURE_EXTERNAL_OES
) {
306 texObj
->Sampler
.MinFilter
= params
[0];
315 case GL_TEXTURE_MAG_FILTER
:
316 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
317 goto invalid_operation
;
319 if (texObj
->Sampler
.MagFilter
== params
[0])
324 flush(ctx
); /* does not effect completeness */
325 texObj
->Sampler
.MagFilter
= params
[0];
332 case GL_TEXTURE_WRAP_S
:
333 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
334 goto invalid_operation
;
336 if (texObj
->Sampler
.WrapS
== params
[0])
338 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
340 texObj
->Sampler
.WrapS
= params
[0];
345 case GL_TEXTURE_WRAP_T
:
346 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
347 goto invalid_operation
;
349 if (texObj
->Sampler
.WrapT
== params
[0])
351 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
353 texObj
->Sampler
.WrapT
= params
[0];
358 case GL_TEXTURE_WRAP_R
:
359 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
360 goto invalid_operation
;
362 if (texObj
->Sampler
.WrapR
== params
[0])
364 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
366 texObj
->Sampler
.WrapR
= params
[0];
371 case GL_TEXTURE_BASE_LEVEL
:
372 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
375 if (texObj
->BaseLevel
== params
[0])
378 if ((texObj
->Target
== GL_TEXTURE_2D_MULTISAMPLE
||
379 texObj
->Target
== GL_TEXTURE_2D_MULTISAMPLE_ARRAY
) && params
[0] != 0)
380 goto invalid_operation
;
383 (texObj
->Target
== GL_TEXTURE_RECTANGLE_ARB
&& params
[0] != 0)) {
384 _mesa_error(ctx
, GL_INVALID_VALUE
,
385 "glTexParameter(param=%d)", params
[0]);
388 incomplete(ctx
, texObj
);
389 texObj
->BaseLevel
= params
[0];
392 case GL_TEXTURE_MAX_LEVEL
:
393 if (texObj
->MaxLevel
== params
[0])
396 if (params
[0] < 0 || texObj
->Target
== GL_TEXTURE_RECTANGLE_ARB
) {
397 _mesa_error(ctx
, GL_INVALID_VALUE
,
398 "glTexParameter(param=%d)", params
[0]);
401 incomplete(ctx
, texObj
);
402 texObj
->MaxLevel
= params
[0];
405 case GL_GENERATE_MIPMAP_SGIS
:
406 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
409 if (params
[0] && texObj
->Target
== GL_TEXTURE_EXTERNAL_OES
)
411 if (texObj
->GenerateMipmap
!= params
[0]) {
413 texObj
->GenerateMipmap
= params
[0] ? GL_TRUE
: GL_FALSE
;
418 case GL_TEXTURE_COMPARE_MODE_ARB
:
419 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_shadow
)
420 || _mesa_is_gles3(ctx
)) {
422 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
423 goto invalid_operation
;
425 if (texObj
->Sampler
.CompareMode
== params
[0])
427 if (params
[0] == GL_NONE
||
428 params
[0] == GL_COMPARE_R_TO_TEXTURE_ARB
) {
430 texObj
->Sampler
.CompareMode
= params
[0];
437 case GL_TEXTURE_COMPARE_FUNC_ARB
:
438 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_shadow
)
439 || _mesa_is_gles3(ctx
)) {
441 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
442 goto invalid_operation
;
444 if (texObj
->Sampler
.CompareFunc
== params
[0])
456 texObj
->Sampler
.CompareFunc
= params
[0];
464 case GL_DEPTH_TEXTURE_MODE_ARB
:
465 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
466 * existed in OpenGL ES.
468 if (ctx
->API
== API_OPENGL_COMPAT
&& ctx
->Extensions
.ARB_depth_texture
) {
469 if (texObj
->DepthMode
== params
[0])
471 if (params
[0] == GL_LUMINANCE
||
472 params
[0] == GL_INTENSITY
||
473 params
[0] == GL_ALPHA
||
474 (ctx
->Extensions
.ARB_texture_rg
&& params
[0] == GL_RED
)) {
476 texObj
->DepthMode
= params
[0];
483 case GL_TEXTURE_CROP_RECT_OES
:
484 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
487 texObj
->CropRect
[0] = params
[0];
488 texObj
->CropRect
[1] = params
[1];
489 texObj
->CropRect
[2] = params
[2];
490 texObj
->CropRect
[3] = params
[3];
493 case GL_TEXTURE_SWIZZLE_R_EXT
:
494 case GL_TEXTURE_SWIZZLE_G_EXT
:
495 case GL_TEXTURE_SWIZZLE_B_EXT
:
496 case GL_TEXTURE_SWIZZLE_A_EXT
:
497 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_swizzle
)
498 || _mesa_is_gles3(ctx
)) {
499 const GLuint comp
= pname
- GL_TEXTURE_SWIZZLE_R_EXT
;
500 const GLint swz
= comp_to_swizzle(params
[0]);
502 _mesa_error(ctx
, GL_INVALID_OPERATION
,
503 "glTexParameter(swizzle 0x%x)", params
[0]);
509 texObj
->Swizzle
[comp
] = params
[0];
510 set_swizzle_component(&texObj
->_Swizzle
, comp
, swz
);
515 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
516 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_swizzle
)
517 || _mesa_is_gles3(ctx
)) {
520 for (comp
= 0; comp
< 4; comp
++) {
521 const GLint swz
= comp_to_swizzle(params
[comp
]);
523 texObj
->Swizzle
[comp
] = params
[comp
];
524 set_swizzle_component(&texObj
->_Swizzle
, comp
, swz
);
527 _mesa_error(ctx
, GL_INVALID_OPERATION
,
528 "glTexParameter(swizzle 0x%x)", params
[comp
]);
536 case GL_TEXTURE_SRGB_DECODE_EXT
:
537 if (_mesa_is_desktop_gl(ctx
)
538 && ctx
->Extensions
.EXT_texture_sRGB_decode
) {
539 GLenum decode
= params
[0];
541 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
542 goto invalid_operation
;
544 if (decode
== GL_DECODE_EXT
|| decode
== GL_SKIP_DECODE_EXT
) {
545 if (texObj
->Sampler
.sRGBDecode
!= decode
) {
547 texObj
->Sampler
.sRGBDecode
= decode
;
554 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
555 if (_mesa_is_desktop_gl(ctx
)
556 && ctx
->Extensions
.AMD_seamless_cubemap_per_texture
) {
557 GLenum param
= params
[0];
559 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
560 goto invalid_operation
;
562 if (param
!= GL_TRUE
&& param
!= GL_FALSE
) {
565 if (param
!= texObj
->Sampler
.CubeMapSeamless
) {
567 texObj
->Sampler
.CubeMapSeamless
= param
;
578 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexParameter(pname=%s)",
579 _mesa_lookup_enum_by_nr(pname
));
583 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexParameter(param=%s)",
584 _mesa_lookup_enum_by_nr(params
[0]));
588 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexParameter(pname=%s)",
589 _mesa_lookup_enum_by_nr(pname
));
595 * Set a float-valued texture parameter
596 * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
599 set_tex_parameterf(struct gl_context
*ctx
,
600 struct gl_texture_object
*texObj
,
601 GLenum pname
, const GLfloat
*params
)
604 case GL_TEXTURE_MIN_LOD
:
605 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
608 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
609 goto invalid_operation
;
611 if (texObj
->Sampler
.MinLod
== params
[0])
614 texObj
->Sampler
.MinLod
= params
[0];
617 case GL_TEXTURE_MAX_LOD
:
618 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
621 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
622 goto invalid_operation
;
624 if (texObj
->Sampler
.MaxLod
== params
[0])
627 texObj
->Sampler
.MaxLod
= params
[0];
630 case GL_TEXTURE_PRIORITY
:
631 if (ctx
->API
!= API_OPENGL_COMPAT
)
635 texObj
->Priority
= CLAMP(params
[0], 0.0F
, 1.0F
);
638 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
639 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
640 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
641 goto invalid_operation
;
643 if (texObj
->Sampler
.MaxAnisotropy
== params
[0])
645 if (params
[0] < 1.0) {
646 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTexParameter(param)" );
650 /* clamp to max, that's what NVIDIA does */
651 texObj
->Sampler
.MaxAnisotropy
= MIN2(params
[0],
652 ctx
->Const
.MaxTextureMaxAnisotropy
);
656 static GLuint count
= 0;
662 case GL_TEXTURE_LOD_BIAS
:
663 /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias.
664 * It was removed in core-profile, and it has never existed in OpenGL
667 if (ctx
->API
!= API_OPENGL_COMPAT
)
670 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
671 goto invalid_operation
;
673 if (texObj
->Sampler
.LodBias
!= params
[0]) {
675 texObj
->Sampler
.LodBias
= params
[0];
680 case GL_TEXTURE_BORDER_COLOR
:
681 if (!_mesa_is_desktop_gl(ctx
))
684 if (!target_allows_setting_sampler_parameters(texObj
->Target
))
685 goto invalid_operation
;
688 /* ARB_texture_float disables clamping */
689 if (ctx
->Extensions
.ARB_texture_float
) {
690 texObj
->Sampler
.BorderColor
.f
[RCOMP
] = params
[0];
691 texObj
->Sampler
.BorderColor
.f
[GCOMP
] = params
[1];
692 texObj
->Sampler
.BorderColor
.f
[BCOMP
] = params
[2];
693 texObj
->Sampler
.BorderColor
.f
[ACOMP
] = params
[3];
695 texObj
->Sampler
.BorderColor
.f
[RCOMP
] = CLAMP(params
[0], 0.0F
, 1.0F
);
696 texObj
->Sampler
.BorderColor
.f
[GCOMP
] = CLAMP(params
[1], 0.0F
, 1.0F
);
697 texObj
->Sampler
.BorderColor
.f
[BCOMP
] = CLAMP(params
[2], 0.0F
, 1.0F
);
698 texObj
->Sampler
.BorderColor
.f
[ACOMP
] = CLAMP(params
[3], 0.0F
, 1.0F
);
708 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTexParameter(pname=%s)",
709 _mesa_lookup_enum_by_nr(pname
));
713 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTexParameter(pname=%s)",
714 _mesa_lookup_enum_by_nr(pname
));
720 _mesa_TexParameterf(GLenum target
, GLenum pname
, GLfloat param
)
722 GLboolean need_update
;
723 struct gl_texture_object
*texObj
;
724 GET_CURRENT_CONTEXT(ctx
);
726 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
731 case GL_TEXTURE_MIN_FILTER
:
732 case GL_TEXTURE_MAG_FILTER
:
733 case GL_TEXTURE_WRAP_S
:
734 case GL_TEXTURE_WRAP_T
:
735 case GL_TEXTURE_WRAP_R
:
736 case GL_TEXTURE_BASE_LEVEL
:
737 case GL_TEXTURE_MAX_LEVEL
:
738 case GL_GENERATE_MIPMAP_SGIS
:
739 case GL_TEXTURE_COMPARE_MODE_ARB
:
740 case GL_TEXTURE_COMPARE_FUNC_ARB
:
741 case GL_DEPTH_TEXTURE_MODE_ARB
:
742 case GL_TEXTURE_SRGB_DECODE_EXT
:
743 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
744 case GL_TEXTURE_SWIZZLE_R_EXT
:
745 case GL_TEXTURE_SWIZZLE_G_EXT
:
746 case GL_TEXTURE_SWIZZLE_B_EXT
:
747 case GL_TEXTURE_SWIZZLE_A_EXT
:
751 ((param
> INT_MAX
) ? INT_MAX
: (GLint
) (param
+ 0.5)) :
752 ((param
< INT_MIN
) ? INT_MIN
: (GLint
) (param
- 0.5));
754 p
[1] = p
[2] = p
[3] = 0;
755 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
);
760 /* this will generate an error if pname is illegal */
763 p
[1] = p
[2] = p
[3] = 0.0F
;
764 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, p
);
768 if (ctx
->Driver
.TexParameter
&& need_update
) {
769 ctx
->Driver
.TexParameter(ctx
, target
, texObj
, pname
, ¶m
);
775 _mesa_TexParameterfv(GLenum target
, GLenum pname
, const GLfloat
*params
)
777 GLboolean need_update
;
778 struct gl_texture_object
*texObj
;
779 GET_CURRENT_CONTEXT(ctx
);
781 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
786 case GL_TEXTURE_MIN_FILTER
:
787 case GL_TEXTURE_MAG_FILTER
:
788 case GL_TEXTURE_WRAP_S
:
789 case GL_TEXTURE_WRAP_T
:
790 case GL_TEXTURE_WRAP_R
:
791 case GL_TEXTURE_BASE_LEVEL
:
792 case GL_TEXTURE_MAX_LEVEL
:
793 case GL_GENERATE_MIPMAP_SGIS
:
794 case GL_TEXTURE_COMPARE_MODE_ARB
:
795 case GL_TEXTURE_COMPARE_FUNC_ARB
:
796 case GL_DEPTH_TEXTURE_MODE_ARB
:
797 case GL_TEXTURE_SRGB_DECODE_EXT
:
798 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
800 /* convert float param to int */
802 p
[0] = (GLint
) params
[0];
803 p
[1] = p
[2] = p
[3] = 0;
804 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
);
807 case GL_TEXTURE_CROP_RECT_OES
:
809 /* convert float params to int */
811 iparams
[0] = (GLint
) params
[0];
812 iparams
[1] = (GLint
) params
[1];
813 iparams
[2] = (GLint
) params
[2];
814 iparams
[3] = (GLint
) params
[3];
815 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, iparams
);
818 case GL_TEXTURE_SWIZZLE_R_EXT
:
819 case GL_TEXTURE_SWIZZLE_G_EXT
:
820 case GL_TEXTURE_SWIZZLE_B_EXT
:
821 case GL_TEXTURE_SWIZZLE_A_EXT
:
822 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
824 GLint p
[4] = {0, 0, 0, 0};
825 p
[0] = (GLint
) params
[0];
826 if (pname
== GL_TEXTURE_SWIZZLE_RGBA_EXT
) {
827 p
[1] = (GLint
) params
[1];
828 p
[2] = (GLint
) params
[2];
829 p
[3] = (GLint
) params
[3];
831 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
);
835 /* this will generate an error if pname is illegal */
836 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, params
);
839 if (ctx
->Driver
.TexParameter
&& need_update
) {
840 ctx
->Driver
.TexParameter(ctx
, target
, texObj
, pname
, params
);
846 _mesa_TexParameteri(GLenum target
, GLenum pname
, GLint param
)
848 GLboolean need_update
;
849 struct gl_texture_object
*texObj
;
850 GET_CURRENT_CONTEXT(ctx
);
852 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
857 case GL_TEXTURE_MIN_LOD
:
858 case GL_TEXTURE_MAX_LOD
:
859 case GL_TEXTURE_PRIORITY
:
860 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
861 case GL_TEXTURE_LOD_BIAS
:
862 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB
:
865 fparam
[0] = (GLfloat
) param
;
866 fparam
[1] = fparam
[2] = fparam
[3] = 0.0F
;
867 /* convert int param to float */
868 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparam
);
872 /* this will generate an error if pname is illegal */
876 iparam
[1] = iparam
[2] = iparam
[3] = 0;
877 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, iparam
);
881 if (ctx
->Driver
.TexParameter
&& need_update
) {
882 GLfloat fparam
= (GLfloat
) param
;
883 ctx
->Driver
.TexParameter(ctx
, target
, texObj
, pname
, &fparam
);
889 _mesa_TexParameteriv(GLenum target
, GLenum pname
, const GLint
*params
)
891 GLboolean need_update
;
892 struct gl_texture_object
*texObj
;
893 GET_CURRENT_CONTEXT(ctx
);
895 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
900 case GL_TEXTURE_BORDER_COLOR
:
902 /* convert int params to float */
904 fparams
[0] = INT_TO_FLOAT(params
[0]);
905 fparams
[1] = INT_TO_FLOAT(params
[1]);
906 fparams
[2] = INT_TO_FLOAT(params
[2]);
907 fparams
[3] = INT_TO_FLOAT(params
[3]);
908 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparams
);
911 case GL_TEXTURE_MIN_LOD
:
912 case GL_TEXTURE_MAX_LOD
:
913 case GL_TEXTURE_PRIORITY
:
914 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
915 case GL_TEXTURE_LOD_BIAS
:
916 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB
:
918 /* convert int param to float */
920 fparams
[0] = (GLfloat
) params
[0];
921 fparams
[1] = fparams
[2] = fparams
[3] = 0.0F
;
922 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparams
);
926 /* this will generate an error if pname is illegal */
927 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, params
);
930 if (ctx
->Driver
.TexParameter
&& need_update
) {
932 fparams
[0] = INT_TO_FLOAT(params
[0]);
933 if (pname
== GL_TEXTURE_BORDER_COLOR
||
934 pname
== GL_TEXTURE_CROP_RECT_OES
) {
935 fparams
[1] = INT_TO_FLOAT(params
[1]);
936 fparams
[2] = INT_TO_FLOAT(params
[2]);
937 fparams
[3] = INT_TO_FLOAT(params
[3]);
939 ctx
->Driver
.TexParameter(ctx
, target
, texObj
, pname
, fparams
);
945 * Set tex parameter to integer value(s). Primarily intended to set
946 * integer-valued texture border color (for integer-valued textures).
950 _mesa_TexParameterIiv(GLenum target
, GLenum pname
, const GLint
*params
)
952 struct gl_texture_object
*texObj
;
953 GET_CURRENT_CONTEXT(ctx
);
955 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
960 case GL_TEXTURE_BORDER_COLOR
:
961 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
962 /* set the integer-valued border color */
963 COPY_4V(texObj
->Sampler
.BorderColor
.i
, params
);
966 _mesa_TexParameteriv(target
, pname
, params
);
969 /* XXX no driver hook for TexParameterIiv() yet */
974 * Set tex parameter to unsigned integer value(s). Primarily intended to set
975 * uint-valued texture border color (for integer-valued textures).
979 _mesa_TexParameterIuiv(GLenum target
, GLenum pname
, const GLuint
*params
)
981 struct gl_texture_object
*texObj
;
982 GET_CURRENT_CONTEXT(ctx
);
984 texObj
= get_texobj(ctx
, target
, GL_FALSE
);
989 case GL_TEXTURE_BORDER_COLOR
:
990 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
991 /* set the unsigned integer-valued border color */
992 COPY_4V(texObj
->Sampler
.BorderColor
.ui
, params
);
995 _mesa_TexParameteriv(target
, pname
, (const GLint
*) params
);
998 /* XXX no driver hook for TexParameterIuiv() yet */
1003 legal_get_tex_level_parameter_target(struct gl_context
*ctx
, GLenum target
)
1007 case GL_PROXY_TEXTURE_1D
:
1009 case GL_PROXY_TEXTURE_2D
:
1011 case GL_PROXY_TEXTURE_3D
:
1013 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
:
1014 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB
:
1015 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB
:
1016 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB
:
1017 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB
:
1018 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
:
1019 case GL_PROXY_TEXTURE_CUBE_MAP_ARB
:
1020 return ctx
->Extensions
.ARB_texture_cube_map
;
1021 case GL_TEXTURE_RECTANGLE_NV
:
1022 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1023 return ctx
->Extensions
.NV_texture_rectangle
;
1024 case GL_TEXTURE_1D_ARRAY_EXT
:
1025 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1026 case GL_TEXTURE_2D_ARRAY_EXT
:
1027 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1028 return (ctx
->Extensions
.MESA_texture_array
||
1029 ctx
->Extensions
.EXT_texture_array
);
1030 case GL_TEXTURE_BUFFER
:
1031 /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
1032 * but not in earlier versions that expose ARB_texture_buffer_object.
1034 * From the ARB_texture_buffer_object spec:
1035 * "(7) Do buffer textures support texture parameters (TexParameter) or
1036 * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
1038 * RESOLVED: No. [...] Note that the spec edits above don't add
1039 * explicit error language for any of these cases. That is because
1040 * each of the functions enumerate the set of valid <target>
1041 * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
1042 * these cases means that target is not legal, and an INVALID_ENUM
1043 * error should be generated."
1045 * From the OpenGL 3.1 spec:
1046 * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
1048 return ctx
->API
== API_OPENGL_CORE
&& ctx
->Version
>= 31;
1049 case GL_TEXTURE_2D_MULTISAMPLE
:
1050 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1051 return ctx
->Extensions
.ARB_texture_multisample
;
1059 get_tex_level_parameter_image(struct gl_context
*ctx
,
1060 const struct gl_texture_object
*texObj
,
1061 GLenum target
, GLint level
,
1062 GLenum pname
, GLint
*params
)
1064 const struct gl_texture_image
*img
= NULL
;
1065 gl_format texFormat
;
1067 img
= _mesa_select_tex_image(ctx
, texObj
, target
, level
);
1068 if (!img
|| img
->TexFormat
== MESA_FORMAT_NONE
) {
1069 /* undefined texture image */
1070 if (pname
== GL_TEXTURE_COMPONENTS
)
1077 texFormat
= img
->TexFormat
;
1080 case GL_TEXTURE_WIDTH
:
1081 *params
= img
->Width
;
1083 case GL_TEXTURE_HEIGHT
:
1084 *params
= img
->Height
;
1086 case GL_TEXTURE_DEPTH
:
1087 *params
= img
->Depth
;
1089 case GL_TEXTURE_INTERNAL_FORMAT
:
1090 if (_mesa_is_format_compressed(texFormat
)) {
1091 /* need to return the actual compressed format */
1092 *params
= _mesa_compressed_format_to_glenum(ctx
, texFormat
);
1095 /* If the true internal format is not compressed but the user
1096 * requested a generic compressed format, we have to return the
1097 * generic base format that matches.
1099 * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
1101 * "If no specific compressed format is available,
1102 * internalformat is instead replaced by the corresponding base
1105 * Otherwise just return the user's requested internal format
1108 _mesa_gl_compressed_format_base_format(img
->InternalFormat
);
1110 *params
= (f
!= 0) ? f
: img
->InternalFormat
;
1113 case GL_TEXTURE_BORDER
:
1114 *params
= img
->Border
;
1116 case GL_TEXTURE_RED_SIZE
:
1117 case GL_TEXTURE_GREEN_SIZE
:
1118 case GL_TEXTURE_BLUE_SIZE
:
1119 case GL_TEXTURE_ALPHA_SIZE
:
1120 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
))
1121 *params
= _mesa_get_format_bits(texFormat
, pname
);
1125 case GL_TEXTURE_INTENSITY_SIZE
:
1126 case GL_TEXTURE_LUMINANCE_SIZE
:
1127 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
)) {
1128 *params
= _mesa_get_format_bits(texFormat
, pname
);
1130 /* intensity or luminance is probably stored as RGB[A] */
1131 *params
= MIN2(_mesa_get_format_bits(texFormat
,
1132 GL_TEXTURE_RED_SIZE
),
1133 _mesa_get_format_bits(texFormat
,
1134 GL_TEXTURE_GREEN_SIZE
));
1141 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1142 if (!ctx
->Extensions
.ARB_depth_texture
)
1144 *params
= _mesa_get_format_bits(texFormat
, pname
);
1146 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1147 if (!ctx
->Extensions
.EXT_packed_depth_stencil
&&
1148 !ctx
->Extensions
.ARB_framebuffer_object
)
1150 *params
= _mesa_get_format_bits(texFormat
, pname
);
1152 case GL_TEXTURE_SHARED_SIZE
:
1153 if (ctx
->Version
< 30 &&
1154 !ctx
->Extensions
.EXT_texture_shared_exponent
)
1156 *params
= texFormat
== MESA_FORMAT_RGB9_E5_FLOAT
? 5 : 0;
1159 /* GL_ARB_texture_compression */
1160 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE
:
1161 if (_mesa_is_format_compressed(texFormat
) &&
1162 !_mesa_is_proxy_texture(target
)) {
1163 *params
= _mesa_format_image_size(texFormat
, img
->Width
,
1164 img
->Height
, img
->Depth
);
1167 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1168 "glGetTexLevelParameter[if]v(pname)");
1171 case GL_TEXTURE_COMPRESSED
:
1172 *params
= (GLint
) _mesa_is_format_compressed(texFormat
);
1175 /* GL_ARB_texture_float */
1176 case GL_TEXTURE_RED_TYPE_ARB
:
1177 case GL_TEXTURE_GREEN_TYPE_ARB
:
1178 case GL_TEXTURE_BLUE_TYPE_ARB
:
1179 case GL_TEXTURE_ALPHA_TYPE_ARB
:
1180 case GL_TEXTURE_LUMINANCE_TYPE_ARB
:
1181 case GL_TEXTURE_INTENSITY_TYPE_ARB
:
1182 case GL_TEXTURE_DEPTH_TYPE_ARB
:
1183 if (!ctx
->Extensions
.ARB_texture_float
)
1185 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
))
1186 *params
= _mesa_get_format_datatype(texFormat
);
1191 /* GL_ARB_texture_multisample */
1192 case GL_TEXTURE_SAMPLES
:
1193 if (!ctx
->Extensions
.ARB_texture_multisample
)
1195 *params
= img
->NumSamples
;
1198 case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS
:
1199 if (!ctx
->Extensions
.ARB_texture_multisample
)
1201 *params
= img
->FixedSampleLocations
;
1208 /* no error if we get here */
1212 _mesa_error(ctx
, GL_INVALID_ENUM
,
1213 "glGetTexLevelParameter[if]v(pname=%s)",
1214 _mesa_lookup_enum_by_nr(pname
));
1219 get_tex_level_parameter_buffer(struct gl_context
*ctx
,
1220 const struct gl_texture_object
*texObj
,
1221 GLenum pname
, GLint
*params
)
1223 const struct gl_buffer_object
*bo
= texObj
->BufferObject
;
1224 gl_format texFormat
= texObj
->_BufferObjectFormat
;
1225 GLenum internalFormat
= texObj
->BufferObjectFormat
;
1226 GLenum baseFormat
= _mesa_get_format_base_format(texFormat
);
1229 /* undefined texture buffer object */
1230 *params
= pname
== GL_TEXTURE_COMPONENTS
? 1 : 0;
1235 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING
:
1238 case GL_TEXTURE_WIDTH
:
1241 case GL_TEXTURE_HEIGHT
:
1242 case GL_TEXTURE_DEPTH
:
1243 case GL_TEXTURE_BORDER
:
1244 case GL_TEXTURE_SHARED_SIZE
:
1245 case GL_TEXTURE_COMPRESSED
:
1248 case GL_TEXTURE_INTERNAL_FORMAT
:
1249 *params
= internalFormat
;
1251 case GL_TEXTURE_RED_SIZE
:
1252 case GL_TEXTURE_GREEN_SIZE
:
1253 case GL_TEXTURE_BLUE_SIZE
:
1254 case GL_TEXTURE_ALPHA_SIZE
:
1255 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1256 *params
= _mesa_get_format_bits(texFormat
, pname
);
1260 case GL_TEXTURE_INTENSITY_SIZE
:
1261 case GL_TEXTURE_LUMINANCE_SIZE
:
1262 if (_mesa_base_format_has_channel(baseFormat
, pname
)) {
1263 *params
= _mesa_get_format_bits(texFormat
, pname
);
1265 /* intensity or luminance is probably stored as RGB[A] */
1266 *params
= MIN2(_mesa_get_format_bits(texFormat
,
1267 GL_TEXTURE_RED_SIZE
),
1268 _mesa_get_format_bits(texFormat
,
1269 GL_TEXTURE_GREEN_SIZE
));
1275 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1276 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1277 *params
= _mesa_get_format_bits(texFormat
, pname
);
1280 /* GL_ARB_texture_buffer_range */
1281 case GL_TEXTURE_BUFFER_OFFSET
:
1282 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1284 *params
= texObj
->BufferOffset
;
1286 case GL_TEXTURE_BUFFER_SIZE
:
1287 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1289 *params
= (texObj
->BufferSize
== -1) ? bo
->Size
: texObj
->BufferSize
;
1292 /* GL_ARB_texture_compression */
1293 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE
:
1294 /* Always illegal for GL_TEXTURE_BUFFER */
1295 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1296 "glGetTexLevelParameter[if]v(pname)");
1299 /* GL_ARB_texture_float */
1300 case GL_TEXTURE_RED_TYPE_ARB
:
1301 case GL_TEXTURE_GREEN_TYPE_ARB
:
1302 case GL_TEXTURE_BLUE_TYPE_ARB
:
1303 case GL_TEXTURE_ALPHA_TYPE_ARB
:
1304 case GL_TEXTURE_LUMINANCE_TYPE_ARB
:
1305 case GL_TEXTURE_INTENSITY_TYPE_ARB
:
1306 case GL_TEXTURE_DEPTH_TYPE_ARB
:
1307 if (!ctx
->Extensions
.ARB_texture_float
)
1309 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1310 *params
= _mesa_get_format_datatype(texFormat
);
1319 /* no error if we get here */
1323 _mesa_error(ctx
, GL_INVALID_ENUM
,
1324 "glGetTexLevelParameter[if]v(pname=%s)",
1325 _mesa_lookup_enum_by_nr(pname
));
1330 _mesa_GetTexLevelParameterfv( GLenum target
, GLint level
,
1331 GLenum pname
, GLfloat
*params
)
1334 _mesa_GetTexLevelParameteriv( target
, level
, pname
, &iparam
);
1335 *params
= (GLfloat
) iparam
;
1340 _mesa_GetTexLevelParameteriv( GLenum target
, GLint level
,
1341 GLenum pname
, GLint
*params
)
1343 const struct gl_texture_unit
*texUnit
;
1344 struct gl_texture_object
*texObj
;
1346 GET_CURRENT_CONTEXT(ctx
);
1348 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxCombinedTextureImageUnits
) {
1349 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1350 "glGetTexLevelParameteriv(current unit)");
1354 texUnit
= _mesa_get_current_tex_unit(ctx
);
1356 if (!legal_get_tex_level_parameter_target(ctx
, target
)) {
1357 _mesa_error(ctx
, GL_INVALID_ENUM
,
1358 "glGetTexLevelParameter[if]v(target=0x%x)", target
);
1362 maxLevels
= _mesa_max_texture_levels(ctx
, target
);
1363 assert(maxLevels
!= 0);
1365 if (level
< 0 || level
>= maxLevels
) {
1366 _mesa_error( ctx
, GL_INVALID_VALUE
, "glGetTexLevelParameter[if]v" );
1370 texObj
= _mesa_select_tex_object(ctx
, texUnit
, target
);
1372 if (target
== GL_TEXTURE_BUFFER
)
1373 get_tex_level_parameter_buffer(ctx
, texObj
, pname
, params
);
1375 get_tex_level_parameter_image(ctx
, texObj
, target
, level
, pname
, params
);
1380 _mesa_GetTexParameterfv( GLenum target
, GLenum pname
, GLfloat
*params
)
1382 struct gl_texture_object
*obj
;
1383 GET_CURRENT_CONTEXT(ctx
);
1385 obj
= get_texobj(ctx
, target
, GL_TRUE
);
1389 _mesa_lock_texture(ctx
, obj
);
1391 case GL_TEXTURE_MAG_FILTER
:
1392 *params
= ENUM_TO_FLOAT(obj
->Sampler
.MagFilter
);
1394 case GL_TEXTURE_MIN_FILTER
:
1395 *params
= ENUM_TO_FLOAT(obj
->Sampler
.MinFilter
);
1397 case GL_TEXTURE_WRAP_S
:
1398 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapS
);
1400 case GL_TEXTURE_WRAP_T
:
1401 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapT
);
1403 case GL_TEXTURE_WRAP_R
:
1404 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapR
);
1406 case GL_TEXTURE_BORDER_COLOR
:
1407 if (!_mesa_is_desktop_gl(ctx
))
1410 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
1411 _mesa_update_state_locked(ctx
);
1412 if (_mesa_get_clamp_fragment_color(ctx
)) {
1413 params
[0] = CLAMP(obj
->Sampler
.BorderColor
.f
[0], 0.0F
, 1.0F
);
1414 params
[1] = CLAMP(obj
->Sampler
.BorderColor
.f
[1], 0.0F
, 1.0F
);
1415 params
[2] = CLAMP(obj
->Sampler
.BorderColor
.f
[2], 0.0F
, 1.0F
);
1416 params
[3] = CLAMP(obj
->Sampler
.BorderColor
.f
[3], 0.0F
, 1.0F
);
1419 params
[0] = obj
->Sampler
.BorderColor
.f
[0];
1420 params
[1] = obj
->Sampler
.BorderColor
.f
[1];
1421 params
[2] = obj
->Sampler
.BorderColor
.f
[2];
1422 params
[3] = obj
->Sampler
.BorderColor
.f
[3];
1425 case GL_TEXTURE_RESIDENT
:
1426 if (ctx
->API
!= API_OPENGL_COMPAT
)
1431 case GL_TEXTURE_PRIORITY
:
1432 if (ctx
->API
!= API_OPENGL_COMPAT
)
1435 *params
= obj
->Priority
;
1437 case GL_TEXTURE_MIN_LOD
:
1438 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1441 *params
= obj
->Sampler
.MinLod
;
1443 case GL_TEXTURE_MAX_LOD
:
1444 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1447 *params
= obj
->Sampler
.MaxLod
;
1449 case GL_TEXTURE_BASE_LEVEL
:
1450 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1453 *params
= (GLfloat
) obj
->BaseLevel
;
1455 case GL_TEXTURE_MAX_LEVEL
:
1456 *params
= (GLfloat
) obj
->MaxLevel
;
1458 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
1459 if (!ctx
->Extensions
.EXT_texture_filter_anisotropic
)
1461 *params
= obj
->Sampler
.MaxAnisotropy
;
1463 case GL_GENERATE_MIPMAP_SGIS
:
1464 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1467 *params
= (GLfloat
) obj
->GenerateMipmap
;
1469 case GL_TEXTURE_COMPARE_MODE_ARB
:
1470 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
1471 && !_mesa_is_gles3(ctx
))
1473 *params
= (GLfloat
) obj
->Sampler
.CompareMode
;
1475 case GL_TEXTURE_COMPARE_FUNC_ARB
:
1476 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
1477 && !_mesa_is_gles3(ctx
))
1479 *params
= (GLfloat
) obj
->Sampler
.CompareFunc
;
1481 case GL_DEPTH_TEXTURE_MODE_ARB
:
1482 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
1483 * never existed in OpenGL ES.
1485 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.ARB_depth_texture
)
1487 *params
= (GLfloat
) obj
->DepthMode
;
1489 case GL_TEXTURE_LOD_BIAS
:
1490 if (ctx
->API
!= API_OPENGL_COMPAT
)
1493 *params
= obj
->Sampler
.LodBias
;
1495 case GL_TEXTURE_CROP_RECT_OES
:
1496 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
1499 params
[0] = (GLfloat
) obj
->CropRect
[0];
1500 params
[1] = (GLfloat
) obj
->CropRect
[1];
1501 params
[2] = (GLfloat
) obj
->CropRect
[2];
1502 params
[3] = (GLfloat
) obj
->CropRect
[3];
1505 case GL_TEXTURE_SWIZZLE_R_EXT
:
1506 case GL_TEXTURE_SWIZZLE_G_EXT
:
1507 case GL_TEXTURE_SWIZZLE_B_EXT
:
1508 case GL_TEXTURE_SWIZZLE_A_EXT
:
1509 if ((!_mesa_is_desktop_gl(ctx
)
1510 || !ctx
->Extensions
.EXT_texture_swizzle
)
1511 && !_mesa_is_gles3(ctx
))
1513 *params
= (GLfloat
) obj
->Swizzle
[pname
- GL_TEXTURE_SWIZZLE_R_EXT
];
1516 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
1517 if ((!_mesa_is_desktop_gl(ctx
)
1518 || !ctx
->Extensions
.EXT_texture_swizzle
)
1519 && !_mesa_is_gles3(ctx
)) {
1524 for (comp
= 0; comp
< 4; comp
++) {
1525 params
[comp
] = (GLfloat
) obj
->Swizzle
[comp
];
1530 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1531 if (!_mesa_is_desktop_gl(ctx
)
1532 || !ctx
->Extensions
.AMD_seamless_cubemap_per_texture
)
1534 *params
= (GLfloat
) obj
->Sampler
.CubeMapSeamless
;
1537 case GL_TEXTURE_IMMUTABLE_FORMAT
:
1538 *params
= (GLfloat
) obj
->Immutable
;
1541 case GL_TEXTURE_IMMUTABLE_LEVELS
:
1542 if (!_mesa_is_gles3(ctx
))
1544 *params
= (GLfloat
) obj
->ImmutableLevels
;
1547 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES
:
1548 if (!_mesa_is_gles(ctx
) || !ctx
->Extensions
.OES_EGL_image_external
)
1550 *params
= obj
->RequiredTextureImageUnits
;
1553 case GL_TEXTURE_SRGB_DECODE_EXT
:
1554 if (!ctx
->Extensions
.EXT_texture_sRGB_decode
)
1556 *params
= (GLfloat
) obj
->Sampler
.sRGBDecode
;
1563 /* no error if we get here */
1564 _mesa_unlock_texture(ctx
, obj
);
1568 _mesa_unlock_texture(ctx
, obj
);
1569 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexParameterfv(pname=0x%x)", pname
);
1574 _mesa_GetTexParameteriv( GLenum target
, GLenum pname
, GLint
*params
)
1576 struct gl_texture_object
*obj
;
1577 GET_CURRENT_CONTEXT(ctx
);
1579 obj
= get_texobj(ctx
, target
, GL_TRUE
);
1583 _mesa_lock_texture(ctx
, obj
);
1585 case GL_TEXTURE_MAG_FILTER
:
1586 *params
= (GLint
) obj
->Sampler
.MagFilter
;
1588 case GL_TEXTURE_MIN_FILTER
:
1589 *params
= (GLint
) obj
->Sampler
.MinFilter
;
1591 case GL_TEXTURE_WRAP_S
:
1592 *params
= (GLint
) obj
->Sampler
.WrapS
;
1594 case GL_TEXTURE_WRAP_T
:
1595 *params
= (GLint
) obj
->Sampler
.WrapT
;
1597 case GL_TEXTURE_WRAP_R
:
1598 *params
= (GLint
) obj
->Sampler
.WrapR
;
1600 case GL_TEXTURE_BORDER_COLOR
:
1601 if (!_mesa_is_desktop_gl(ctx
))
1606 b
[0] = CLAMP(obj
->Sampler
.BorderColor
.f
[0], 0.0F
, 1.0F
);
1607 b
[1] = CLAMP(obj
->Sampler
.BorderColor
.f
[1], 0.0F
, 1.0F
);
1608 b
[2] = CLAMP(obj
->Sampler
.BorderColor
.f
[2], 0.0F
, 1.0F
);
1609 b
[3] = CLAMP(obj
->Sampler
.BorderColor
.f
[3], 0.0F
, 1.0F
);
1610 params
[0] = FLOAT_TO_INT(b
[0]);
1611 params
[1] = FLOAT_TO_INT(b
[1]);
1612 params
[2] = FLOAT_TO_INT(b
[2]);
1613 params
[3] = FLOAT_TO_INT(b
[3]);
1616 case GL_TEXTURE_RESIDENT
:
1617 if (ctx
->API
!= API_OPENGL_COMPAT
)
1622 case GL_TEXTURE_PRIORITY
:
1623 if (ctx
->API
!= API_OPENGL_COMPAT
)
1626 *params
= FLOAT_TO_INT(obj
->Priority
);
1628 case GL_TEXTURE_MIN_LOD
:
1629 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1632 *params
= (GLint
) obj
->Sampler
.MinLod
;
1634 case GL_TEXTURE_MAX_LOD
:
1635 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1638 *params
= (GLint
) obj
->Sampler
.MaxLod
;
1640 case GL_TEXTURE_BASE_LEVEL
:
1641 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1644 *params
= obj
->BaseLevel
;
1646 case GL_TEXTURE_MAX_LEVEL
:
1647 *params
= obj
->MaxLevel
;
1649 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
1650 if (!ctx
->Extensions
.EXT_texture_filter_anisotropic
)
1652 *params
= (GLint
) obj
->Sampler
.MaxAnisotropy
;
1654 case GL_GENERATE_MIPMAP_SGIS
:
1655 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1658 *params
= (GLint
) obj
->GenerateMipmap
;
1660 case GL_TEXTURE_COMPARE_MODE_ARB
:
1661 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
1662 && !_mesa_is_gles3(ctx
))
1664 *params
= (GLint
) obj
->Sampler
.CompareMode
;
1666 case GL_TEXTURE_COMPARE_FUNC_ARB
:
1667 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
1668 && !_mesa_is_gles3(ctx
))
1670 *params
= (GLint
) obj
->Sampler
.CompareFunc
;
1672 case GL_DEPTH_TEXTURE_MODE_ARB
:
1673 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.ARB_depth_texture
)
1675 *params
= (GLint
) obj
->DepthMode
;
1677 case GL_TEXTURE_LOD_BIAS
:
1678 if (ctx
->API
!= API_OPENGL_COMPAT
)
1681 *params
= (GLint
) obj
->Sampler
.LodBias
;
1683 case GL_TEXTURE_CROP_RECT_OES
:
1684 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
1687 params
[0] = obj
->CropRect
[0];
1688 params
[1] = obj
->CropRect
[1];
1689 params
[2] = obj
->CropRect
[2];
1690 params
[3] = obj
->CropRect
[3];
1692 case GL_TEXTURE_SWIZZLE_R_EXT
:
1693 case GL_TEXTURE_SWIZZLE_G_EXT
:
1694 case GL_TEXTURE_SWIZZLE_B_EXT
:
1695 case GL_TEXTURE_SWIZZLE_A_EXT
:
1696 if ((!_mesa_is_desktop_gl(ctx
)
1697 || !ctx
->Extensions
.EXT_texture_swizzle
)
1698 && !_mesa_is_gles3(ctx
))
1700 *params
= obj
->Swizzle
[pname
- GL_TEXTURE_SWIZZLE_R_EXT
];
1703 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
1704 if ((!_mesa_is_desktop_gl(ctx
)
1705 || !ctx
->Extensions
.EXT_texture_swizzle
)
1706 && !_mesa_is_gles3(ctx
))
1708 COPY_4V(params
, obj
->Swizzle
);
1711 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1712 if (!_mesa_is_desktop_gl(ctx
)
1713 || !ctx
->Extensions
.AMD_seamless_cubemap_per_texture
)
1715 *params
= (GLint
) obj
->Sampler
.CubeMapSeamless
;
1718 case GL_TEXTURE_IMMUTABLE_FORMAT
:
1719 *params
= (GLint
) obj
->Immutable
;
1722 case GL_TEXTURE_IMMUTABLE_LEVELS
:
1723 if (!_mesa_is_gles3(ctx
))
1725 *params
= obj
->ImmutableLevels
;
1728 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES
:
1729 if (!_mesa_is_gles(ctx
) || !ctx
->Extensions
.OES_EGL_image_external
)
1731 *params
= obj
->RequiredTextureImageUnits
;
1734 case GL_TEXTURE_SRGB_DECODE_EXT
:
1735 if (!ctx
->Extensions
.EXT_texture_sRGB_decode
)
1737 *params
= obj
->Sampler
.sRGBDecode
;
1744 /* no error if we get here */
1745 _mesa_unlock_texture(ctx
, obj
);
1749 _mesa_unlock_texture(ctx
, obj
);
1750 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTexParameteriv(pname=0x%x)", pname
);
1754 /** New in GL 3.0 */
1756 _mesa_GetTexParameterIiv(GLenum target
, GLenum pname
, GLint
*params
)
1758 struct gl_texture_object
*texObj
;
1759 GET_CURRENT_CONTEXT(ctx
);
1761 texObj
= get_texobj(ctx
, target
, GL_TRUE
);
1766 case GL_TEXTURE_BORDER_COLOR
:
1767 COPY_4V(params
, texObj
->Sampler
.BorderColor
.i
);
1770 _mesa_GetTexParameteriv(target
, pname
, params
);
1775 /** New in GL 3.0 */
1777 _mesa_GetTexParameterIuiv(GLenum target
, GLenum pname
, GLuint
*params
)
1779 struct gl_texture_object
*texObj
;
1780 GET_CURRENT_CONTEXT(ctx
);
1782 texObj
= get_texobj(ctx
, target
, GL_TRUE
);
1787 case GL_TEXTURE_BORDER_COLOR
:
1788 COPY_4V(params
, texObj
->Sampler
.BorderColor
.i
);
1793 _mesa_GetTexParameteriv(target
, pname
, ip
);
1795 if (pname
== GL_TEXTURE_SWIZZLE_RGBA_EXT
||
1796 pname
== GL_TEXTURE_CROP_RECT_OES
) {