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/context.h"
36 #include "main/enums.h"
37 #include "main/formats.h"
38 #include "main/glformats.h"
39 #include "main/macros.h"
40 #include "main/mtypes.h"
41 #include "main/state.h"
42 #include "main/texcompress.h"
43 #include "main/texobj.h"
44 #include "main/texparam.h"
45 #include "main/teximage.h"
46 #include "main/texstate.h"
47 #include "program/prog_instruction.h"
51 * Check if a coordinate wrap mode is supported for the texture target.
52 * \return GL_TRUE if legal, GL_FALSE otherwise
55 validate_texture_wrap_mode(struct gl_context
* ctx
, GLenum target
, GLenum wrap
)
57 const struct gl_extensions
* const e
= & ctx
->Extensions
;
58 const bool is_desktop_gl
= _mesa_is_desktop_gl(ctx
);
63 /* GL_CLAMP was removed in the core profile, and it has never existed in
66 supported
= (ctx
->API
== API_OPENGL_COMPAT
)
67 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
70 case GL_CLAMP_TO_EDGE
:
74 case GL_CLAMP_TO_BORDER
:
75 supported
= ctx
->API
!= API_OPENGLES
&& e
->ARB_texture_border_clamp
76 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
80 case GL_MIRRORED_REPEAT
:
81 supported
= (target
!= GL_TEXTURE_RECTANGLE_NV
)
82 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
85 case GL_MIRROR_CLAMP_EXT
:
86 supported
= is_desktop_gl
87 && (e
->ATI_texture_mirror_once
|| e
->EXT_texture_mirror_clamp
)
88 && (target
!= GL_TEXTURE_RECTANGLE_NV
)
89 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
92 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
93 supported
= is_desktop_gl
94 && (e
->ATI_texture_mirror_once
|| e
->EXT_texture_mirror_clamp
|| e
->ARB_texture_mirror_clamp_to_edge
)
95 && (target
!= GL_TEXTURE_RECTANGLE_NV
)
96 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
99 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
100 supported
= is_desktop_gl
&& e
->EXT_texture_mirror_clamp
101 && (target
!= GL_TEXTURE_RECTANGLE_NV
)
102 && (target
!= GL_TEXTURE_EXTERNAL_OES
);
111 _mesa_error( ctx
, GL_INVALID_ENUM
, "glTexParameter(param=0x%x)", wrap
);
118 is_texparameteri_target_valid(GLenum target
)
122 case GL_TEXTURE_1D_ARRAY
:
124 case GL_TEXTURE_2D_ARRAY
:
125 case GL_TEXTURE_2D_MULTISAMPLE
:
126 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
128 case GL_TEXTURE_CUBE_MAP
:
129 case GL_TEXTURE_CUBE_MAP_ARRAY
:
130 case GL_TEXTURE_RECTANGLE
:
139 * Get current texture object for given name.
140 * Return NULL if any error (and record the error).
141 * Note that proxy targets are not accepted.
142 * Only the glGetTexLevelParameter() functions accept proxy targets.
144 static struct gl_texture_object
*
145 get_texobj_by_name(struct gl_context
*ctx
, GLuint texture
, const char *name
)
147 struct gl_texture_object
*texObj
;
149 texObj
= _mesa_lookup_texture_err(ctx
, texture
, name
);
153 if (!is_texparameteri_target_valid(texObj
->Target
)) {
154 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(target)", name
);
163 * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
164 * \return -1 if error.
167 comp_to_swizzle(GLenum comp
)
189 set_swizzle_component(GLushort
*swizzle
, GLuint comp
, GLuint swz
)
192 assert(swz
<= SWIZZLE_NIL
);
194 GLuint mask
= 0x7 << (3 * comp
);
195 GLuint s
= (*swizzle
& ~mask
) | (swz
<< (3 * comp
));
202 * This is called just prior to changing any texture object state which
203 * will not affect texture completeness.
206 flush(struct gl_context
*ctx
)
208 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
213 * This is called just prior to changing any texture object state which
214 * could affect texture completeness (texture base level, max level).
215 * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE_OBJECT
216 * state flag and then mark the texture object as 'incomplete' so that any
217 * per-texture derived state gets recomputed.
220 incomplete(struct gl_context
*ctx
, struct gl_texture_object
*texObj
)
222 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
223 _mesa_dirty_texobj(ctx
, texObj
);
228 _mesa_target_allows_setting_sampler_parameters(GLenum target
)
231 case GL_TEXTURE_2D_MULTISAMPLE
:
232 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
242 * Set an integer-valued texture parameter
243 * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
246 set_tex_parameteri(struct gl_context
*ctx
,
247 struct gl_texture_object
*texObj
,
248 GLenum pname
, const GLint
*params
, bool dsa
)
250 const char *suffix
= dsa
? "ture" : "";
252 if (texObj
->HandleAllocated
) {
253 /* The ARB_bindless_texture spec says:
255 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
256 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
257 * functions defined in terms of these, if the texture object to be
258 * modified is referenced by one or more texture or image handles."
260 _mesa_error(ctx
, GL_INVALID_OPERATION
,
261 "glTex%sParameter(immutable texture)", suffix
);
266 case GL_TEXTURE_MIN_FILTER
:
267 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
270 if (texObj
->Sampler
.MinFilter
== params
[0])
276 texObj
->Sampler
.MinFilter
= params
[0];
278 case GL_NEAREST_MIPMAP_NEAREST
:
279 case GL_LINEAR_MIPMAP_NEAREST
:
280 case GL_NEAREST_MIPMAP_LINEAR
:
281 case GL_LINEAR_MIPMAP_LINEAR
:
282 if (texObj
->Target
!= GL_TEXTURE_RECTANGLE_NV
&&
283 texObj
->Target
!= GL_TEXTURE_EXTERNAL_OES
) {
285 texObj
->Sampler
.MinFilter
= params
[0];
294 case GL_TEXTURE_MAG_FILTER
:
295 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
298 if (texObj
->Sampler
.MagFilter
== params
[0])
303 flush(ctx
); /* does not effect completeness */
304 texObj
->Sampler
.MagFilter
= params
[0];
311 case GL_TEXTURE_WRAP_S
:
312 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
315 if (texObj
->Sampler
.WrapS
== params
[0])
317 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
319 texObj
->Sampler
.WrapS
= params
[0];
324 case GL_TEXTURE_WRAP_T
:
325 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
328 if (texObj
->Sampler
.WrapT
== params
[0])
330 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
332 texObj
->Sampler
.WrapT
= params
[0];
337 case GL_TEXTURE_WRAP_R
:
338 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
341 if (texObj
->Sampler
.WrapR
== params
[0])
343 if (validate_texture_wrap_mode(ctx
, texObj
->Target
, params
[0])) {
345 texObj
->Sampler
.WrapR
= params
[0];
350 case GL_TEXTURE_BASE_LEVEL
:
351 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
354 if (texObj
->BaseLevel
== params
[0])
357 /* Section 8.10 (Texture Parameters) of the OpenGL 4.5 Core Profile spec
360 * An INVALID_OPERATION error is generated if the effective target is
361 * TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY, or
362 * TEXTURE_RECTANGLE, and pname TEXTURE_BASE_LEVEL is set to a value
365 * Note that section 3.8.8 (Texture Parameters) of the OpenGL 3.3 Core
368 * The error INVALID_VALUE is generated if TEXTURE_BASE_LEVEL is set
369 * to any value other than zero.
371 * We take the 4.5 language as a correction to 3.3, and we implement
372 * that on all GL versions.
374 if ((texObj
->Target
== GL_TEXTURE_2D_MULTISAMPLE
||
375 texObj
->Target
== GL_TEXTURE_2D_MULTISAMPLE_ARRAY
||
376 texObj
->Target
== GL_TEXTURE_RECTANGLE
) && params
[0] != 0)
377 goto invalid_operation
;
380 _mesa_error(ctx
, GL_INVALID_VALUE
,
381 "glTex%sParameter(param=%d)", suffix
, params
[0]);
384 incomplete(ctx
, texObj
);
386 /** See note about ARB_texture_storage below */
387 if (texObj
->Immutable
)
388 texObj
->BaseLevel
= MIN2(texObj
->ImmutableLevels
- 1, params
[0]);
390 texObj
->BaseLevel
= params
[0];
394 case GL_TEXTURE_MAX_LEVEL
:
395 if (texObj
->MaxLevel
== params
[0])
399 (texObj
->Target
== GL_TEXTURE_RECTANGLE_ARB
&& params
[0] > 0)) {
400 _mesa_error(ctx
, GL_INVALID_VALUE
,
401 "glTex%sParameter(param=%d)", suffix
,
405 incomplete(ctx
, texObj
);
407 /** From ARB_texture_storage:
408 * However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is
409 * clamped to the range [0, <levels> - 1] and level_max is then clamped to
410 * the range [level_base, <levels> - 1], where <levels> is the parameter
411 * passed the call to TexStorage* for the texture object.
413 if (texObj
->Immutable
)
414 texObj
->MaxLevel
= CLAMP(params
[0], texObj
->BaseLevel
,
415 texObj
->ImmutableLevels
- 1);
417 texObj
->MaxLevel
= params
[0];
421 case GL_GENERATE_MIPMAP_SGIS
:
422 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
425 if (params
[0] && texObj
->Target
== GL_TEXTURE_EXTERNAL_OES
)
427 if (texObj
->GenerateMipmap
!= params
[0]) {
429 texObj
->GenerateMipmap
= params
[0] ? GL_TRUE
: GL_FALSE
;
434 case GL_TEXTURE_COMPARE_MODE_ARB
:
435 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_shadow
)
436 || _mesa_is_gles3(ctx
)) {
438 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
441 if (texObj
->Sampler
.CompareMode
== params
[0])
443 if (params
[0] == GL_NONE
||
444 params
[0] == GL_COMPARE_R_TO_TEXTURE_ARB
) {
446 texObj
->Sampler
.CompareMode
= params
[0];
453 case GL_TEXTURE_COMPARE_FUNC_ARB
:
454 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_shadow
)
455 || _mesa_is_gles3(ctx
)) {
457 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
460 if (texObj
->Sampler
.CompareFunc
== params
[0])
472 texObj
->Sampler
.CompareFunc
= params
[0];
480 case GL_DEPTH_TEXTURE_MODE_ARB
:
481 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
482 * existed in OpenGL ES.
484 if (ctx
->API
== API_OPENGL_COMPAT
&& ctx
->Extensions
.ARB_depth_texture
) {
485 if (texObj
->DepthMode
== params
[0])
487 if (params
[0] == GL_LUMINANCE
||
488 params
[0] == GL_INTENSITY
||
489 params
[0] == GL_ALPHA
||
490 (ctx
->Extensions
.ARB_texture_rg
&& params
[0] == GL_RED
)) {
492 texObj
->DepthMode
= params
[0];
499 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
500 if (_mesa_has_ARB_stencil_texturing(ctx
) || _mesa_is_gles31(ctx
)) {
501 bool stencil
= params
[0] == GL_STENCIL_INDEX
;
502 if (!stencil
&& params
[0] != GL_DEPTH_COMPONENT
)
505 if (texObj
->StencilSampling
== stencil
)
508 texObj
->StencilSampling
= stencil
;
513 case GL_TEXTURE_CROP_RECT_OES
:
514 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
517 texObj
->CropRect
[0] = params
[0];
518 texObj
->CropRect
[1] = params
[1];
519 texObj
->CropRect
[2] = params
[2];
520 texObj
->CropRect
[3] = params
[3];
523 case GL_TEXTURE_SWIZZLE_R_EXT
:
524 case GL_TEXTURE_SWIZZLE_G_EXT
:
525 case GL_TEXTURE_SWIZZLE_B_EXT
:
526 case GL_TEXTURE_SWIZZLE_A_EXT
:
527 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_swizzle
)
528 || _mesa_is_gles3(ctx
)) {
529 const GLuint comp
= pname
- GL_TEXTURE_SWIZZLE_R_EXT
;
530 const GLint swz
= comp_to_swizzle(params
[0]);
532 _mesa_error(ctx
, GL_INVALID_ENUM
,
533 "glTex%sParameter(swizzle 0x%x)", suffix
, params
[0]);
539 texObj
->Swizzle
[comp
] = params
[0];
540 set_swizzle_component(&texObj
->_Swizzle
, comp
, swz
);
545 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
546 if ((_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_swizzle
)
547 || _mesa_is_gles3(ctx
)) {
550 for (comp
= 0; comp
< 4; comp
++) {
551 const GLint swz
= comp_to_swizzle(params
[comp
]);
553 texObj
->Swizzle
[comp
] = params
[comp
];
554 set_swizzle_component(&texObj
->_Swizzle
, comp
, swz
);
557 _mesa_error(ctx
, GL_INVALID_ENUM
,
558 "glTex%sParameter(swizzle 0x%x)",
559 suffix
, params
[comp
]);
567 case GL_TEXTURE_SRGB_DECODE_EXT
:
568 if (ctx
->Extensions
.EXT_texture_sRGB_decode
) {
569 GLenum decode
= params
[0];
571 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
574 if (decode
== GL_DECODE_EXT
|| decode
== GL_SKIP_DECODE_EXT
) {
575 if (texObj
->Sampler
.sRGBDecode
!= decode
) {
577 texObj
->Sampler
.sRGBDecode
= decode
;
584 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
585 if (_mesa_is_desktop_gl(ctx
)
586 && ctx
->Extensions
.AMD_seamless_cubemap_per_texture
) {
587 GLenum param
= params
[0];
589 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
592 if (param
!= GL_TRUE
&& param
!= GL_FALSE
) {
595 if (param
!= texObj
->Sampler
.CubeMapSeamless
) {
597 texObj
->Sampler
.CubeMapSeamless
= param
;
603 case GL_TEXTURE_TILING_EXT
:
604 if (ctx
->Extensions
.EXT_memory_object
) {
605 texObj
->TextureTiling
= params
[0];
616 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameter(pname=%s)",
617 suffix
, _mesa_enum_to_string(pname
));
621 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameter(param=%s)",
622 suffix
, _mesa_enum_to_string(params
[0]));
626 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTex%sParameter(pname=%s)",
627 suffix
, _mesa_enum_to_string(pname
));
631 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameter(pname=%s)",
632 suffix
, _mesa_enum_to_string(pname
));
638 * Set a float-valued texture parameter
639 * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
642 set_tex_parameterf(struct gl_context
*ctx
,
643 struct gl_texture_object
*texObj
,
644 GLenum pname
, const GLfloat
*params
, bool dsa
)
646 const char *suffix
= dsa
? "ture" : "";
648 if (texObj
->HandleAllocated
) {
649 /* The ARB_bindless_texture spec says:
651 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
652 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
653 * functions defined in terms of these, if the texture object to be
654 * modified is referenced by one or more texture or image handles."
656 _mesa_error(ctx
, GL_INVALID_OPERATION
,
657 "glTex%sParameter(immutable texture)", suffix
);
662 case GL_TEXTURE_MIN_LOD
:
663 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
666 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
669 if (texObj
->Sampler
.MinLod
== params
[0])
672 texObj
->Sampler
.MinLod
= params
[0];
675 case GL_TEXTURE_MAX_LOD
:
676 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
679 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
682 if (texObj
->Sampler
.MaxLod
== params
[0])
685 texObj
->Sampler
.MaxLod
= params
[0];
688 case GL_TEXTURE_PRIORITY
:
689 if (ctx
->API
!= API_OPENGL_COMPAT
)
693 texObj
->Priority
= CLAMP(params
[0], 0.0F
, 1.0F
);
696 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
697 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
698 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
701 if (texObj
->Sampler
.MaxAnisotropy
== params
[0])
703 if (params
[0] < 1.0F
) {
704 _mesa_error(ctx
, GL_INVALID_VALUE
, "glTex%sParameter(param)",
709 /* clamp to max, that's what NVIDIA does */
710 texObj
->Sampler
.MaxAnisotropy
= MIN2(params
[0],
711 ctx
->Const
.MaxTextureMaxAnisotropy
);
715 static GLuint count
= 0;
721 case GL_TEXTURE_LOD_BIAS
:
722 /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
723 if (_mesa_is_gles(ctx
))
726 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
729 if (texObj
->Sampler
.LodBias
!= params
[0]) {
731 texObj
->Sampler
.LodBias
= params
[0];
736 case GL_TEXTURE_BORDER_COLOR
:
737 /* Border color exists in desktop OpenGL since 1.0 for GL_CLAMP. In
738 * OpenGL ES 2.0+, it only exists in when GL_OES_texture_border_clamp is
739 * enabled. It is never available in OpenGL ES 1.x.
741 * FIXME: Every driver that supports GLES2 has this extension. Elide
744 if (ctx
->API
== API_OPENGLES
||
745 (ctx
->API
== API_OPENGLES2
&&
746 !ctx
->Extensions
.ARB_texture_border_clamp
))
749 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
))
753 /* ARB_texture_float disables clamping */
754 if (ctx
->Extensions
.ARB_texture_float
) {
755 texObj
->Sampler
.BorderColor
.f
[RCOMP
] = params
[0];
756 texObj
->Sampler
.BorderColor
.f
[GCOMP
] = params
[1];
757 texObj
->Sampler
.BorderColor
.f
[BCOMP
] = params
[2];
758 texObj
->Sampler
.BorderColor
.f
[ACOMP
] = params
[3];
760 texObj
->Sampler
.BorderColor
.f
[RCOMP
] = CLAMP(params
[0], 0.0F
, 1.0F
);
761 texObj
->Sampler
.BorderColor
.f
[GCOMP
] = CLAMP(params
[1], 0.0F
, 1.0F
);
762 texObj
->Sampler
.BorderColor
.f
[BCOMP
] = CLAMP(params
[2], 0.0F
, 1.0F
);
763 texObj
->Sampler
.BorderColor
.f
[ACOMP
] = CLAMP(params
[3], 0.0F
, 1.0F
);
767 case GL_TEXTURE_TILING_EXT
:
768 if (ctx
->Extensions
.EXT_memory_object
) {
769 texObj
->TextureTiling
= params
[0];
780 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameter(pname=%s)",
781 suffix
, _mesa_enum_to_string(pname
));
785 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameter(pname=%s)",
786 suffix
, _mesa_enum_to_string(pname
));
792 _mesa_texture_parameterf(struct gl_context
*ctx
,
793 struct gl_texture_object
*texObj
,
794 GLenum pname
, GLfloat param
, bool dsa
)
796 GLboolean need_update
;
799 case GL_TEXTURE_MIN_FILTER
:
800 case GL_TEXTURE_MAG_FILTER
:
801 case GL_TEXTURE_WRAP_S
:
802 case GL_TEXTURE_WRAP_T
:
803 case GL_TEXTURE_WRAP_R
:
804 case GL_TEXTURE_BASE_LEVEL
:
805 case GL_TEXTURE_MAX_LEVEL
:
806 case GL_GENERATE_MIPMAP_SGIS
:
807 case GL_TEXTURE_COMPARE_MODE_ARB
:
808 case GL_TEXTURE_COMPARE_FUNC_ARB
:
809 case GL_DEPTH_TEXTURE_MODE_ARB
:
810 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
811 case GL_TEXTURE_SRGB_DECODE_EXT
:
812 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
813 case GL_TEXTURE_SWIZZLE_R_EXT
:
814 case GL_TEXTURE_SWIZZLE_G_EXT
:
815 case GL_TEXTURE_SWIZZLE_B_EXT
:
816 case GL_TEXTURE_SWIZZLE_A_EXT
:
820 ((param
> INT_MAX
) ? INT_MAX
: (GLint
) (param
+ 0.5)) :
821 ((param
< INT_MIN
) ? INT_MIN
: (GLint
) (param
- 0.5));
823 p
[1] = p
[2] = p
[3] = 0;
824 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
, dsa
);
827 case GL_TEXTURE_BORDER_COLOR
:
828 case GL_TEXTURE_SWIZZLE_RGBA
:
829 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTex%sParameterf(non-scalar pname)",
834 /* this will generate an error if pname is illegal */
837 p
[1] = p
[2] = p
[3] = 0.0F
;
838 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, p
, dsa
);
842 if (ctx
->Driver
.TexParameter
&& need_update
) {
843 ctx
->Driver
.TexParameter(ctx
, texObj
, pname
);
849 _mesa_texture_parameterfv(struct gl_context
*ctx
,
850 struct gl_texture_object
*texObj
,
851 GLenum pname
, const GLfloat
*params
, bool dsa
)
853 GLboolean need_update
;
855 case GL_TEXTURE_MIN_FILTER
:
856 case GL_TEXTURE_MAG_FILTER
:
857 case GL_TEXTURE_WRAP_S
:
858 case GL_TEXTURE_WRAP_T
:
859 case GL_TEXTURE_WRAP_R
:
860 case GL_TEXTURE_BASE_LEVEL
:
861 case GL_TEXTURE_MAX_LEVEL
:
862 case GL_GENERATE_MIPMAP_SGIS
:
863 case GL_TEXTURE_COMPARE_MODE_ARB
:
864 case GL_TEXTURE_COMPARE_FUNC_ARB
:
865 case GL_DEPTH_TEXTURE_MODE_ARB
:
866 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
867 case GL_TEXTURE_SRGB_DECODE_EXT
:
868 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
870 /* convert float param to int */
872 p
[0] = (GLint
) params
[0];
873 p
[1] = p
[2] = p
[3] = 0;
874 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
, dsa
);
877 case GL_TEXTURE_CROP_RECT_OES
:
879 /* convert float params to int */
881 iparams
[0] = (GLint
) params
[0];
882 iparams
[1] = (GLint
) params
[1];
883 iparams
[2] = (GLint
) params
[2];
884 iparams
[3] = (GLint
) params
[3];
885 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, iparams
, dsa
);
888 case GL_TEXTURE_SWIZZLE_R_EXT
:
889 case GL_TEXTURE_SWIZZLE_G_EXT
:
890 case GL_TEXTURE_SWIZZLE_B_EXT
:
891 case GL_TEXTURE_SWIZZLE_A_EXT
:
892 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
894 GLint p
[4] = {0, 0, 0, 0};
895 p
[0] = (GLint
) params
[0];
896 if (pname
== GL_TEXTURE_SWIZZLE_RGBA_EXT
) {
897 p
[1] = (GLint
) params
[1];
898 p
[2] = (GLint
) params
[2];
899 p
[3] = (GLint
) params
[3];
901 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, p
, dsa
);
905 /* this will generate an error if pname is illegal */
906 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, params
, dsa
);
909 if (ctx
->Driver
.TexParameter
&& need_update
) {
910 ctx
->Driver
.TexParameter(ctx
, texObj
, pname
);
916 _mesa_texture_parameteri(struct gl_context
*ctx
,
917 struct gl_texture_object
*texObj
,
918 GLenum pname
, GLint param
, bool dsa
)
920 GLboolean need_update
;
922 case GL_TEXTURE_MIN_LOD
:
923 case GL_TEXTURE_MAX_LOD
:
924 case GL_TEXTURE_PRIORITY
:
925 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
926 case GL_TEXTURE_LOD_BIAS
:
927 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB
:
930 fparam
[0] = (GLfloat
) param
;
931 fparam
[1] = fparam
[2] = fparam
[3] = 0.0F
;
932 /* convert int param to float */
933 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparam
, dsa
);
936 case GL_TEXTURE_BORDER_COLOR
:
937 case GL_TEXTURE_SWIZZLE_RGBA
:
939 _mesa_error(ctx
, GL_INVALID_ENUM
,
940 "glTex%sParameteri(non-scalar pname)",
945 /* this will generate an error if pname is illegal */
949 iparam
[1] = iparam
[2] = iparam
[3] = 0;
950 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, iparam
, dsa
);
954 if (ctx
->Driver
.TexParameter
&& need_update
) {
955 ctx
->Driver
.TexParameter(ctx
, texObj
, pname
);
961 _mesa_texture_parameteriv(struct gl_context
*ctx
,
962 struct gl_texture_object
*texObj
,
963 GLenum pname
, const GLint
*params
, bool dsa
)
965 GLboolean need_update
;
968 case GL_TEXTURE_BORDER_COLOR
:
970 /* convert int params to float */
972 fparams
[0] = INT_TO_FLOAT(params
[0]);
973 fparams
[1] = INT_TO_FLOAT(params
[1]);
974 fparams
[2] = INT_TO_FLOAT(params
[2]);
975 fparams
[3] = INT_TO_FLOAT(params
[3]);
976 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparams
, dsa
);
979 case GL_TEXTURE_MIN_LOD
:
980 case GL_TEXTURE_MAX_LOD
:
981 case GL_TEXTURE_PRIORITY
:
982 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
983 case GL_TEXTURE_LOD_BIAS
:
984 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB
:
986 /* convert int param to float */
988 fparams
[0] = (GLfloat
) params
[0];
989 fparams
[1] = fparams
[2] = fparams
[3] = 0.0F
;
990 need_update
= set_tex_parameterf(ctx
, texObj
, pname
, fparams
, dsa
);
994 /* this will generate an error if pname is illegal */
995 need_update
= set_tex_parameteri(ctx
, texObj
, pname
, params
, dsa
);
998 if (ctx
->Driver
.TexParameter
&& need_update
) {
999 ctx
->Driver
.TexParameter(ctx
, texObj
, pname
);
1004 _mesa_texture_parameterIiv(struct gl_context
*ctx
,
1005 struct gl_texture_object
*texObj
,
1006 GLenum pname
, const GLint
*params
, bool dsa
)
1009 case GL_TEXTURE_BORDER_COLOR
:
1010 if (texObj
->HandleAllocated
) {
1011 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1012 "glTextureParameterIiv(immutable texture)");
1016 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
)) {
1017 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTextureParameterIiv(texture)");
1020 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
1021 /* set the integer-valued border color */
1022 COPY_4V(texObj
->Sampler
.BorderColor
.i
, params
);
1025 _mesa_texture_parameteriv(ctx
, texObj
, pname
, params
, dsa
);
1028 /* XXX no driver hook for TexParameterIiv() yet */
1032 _mesa_texture_parameterIuiv(struct gl_context
*ctx
,
1033 struct gl_texture_object
*texObj
,
1034 GLenum pname
, const GLuint
*params
, bool dsa
)
1037 case GL_TEXTURE_BORDER_COLOR
:
1038 if (texObj
->HandleAllocated
) {
1039 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1040 "glTextureParameterIuiv(immutable texture)");
1044 if (!_mesa_target_allows_setting_sampler_parameters(texObj
->Target
)) {
1045 _mesa_error(ctx
, GL_INVALID_ENUM
, "glTextureParameterIuiv(texture)");
1048 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
1049 /* set the unsigned integer-valued border color */
1050 COPY_4V(texObj
->Sampler
.BorderColor
.ui
, params
);
1053 _mesa_texture_parameteriv(ctx
, texObj
, pname
, (const GLint
*) params
,
1057 /* XXX no driver hook for TexParameterIuiv() yet */
1061 _mesa_TexParameterf(GLenum target
, GLenum pname
, GLfloat param
)
1063 struct gl_texture_object
*texObj
;
1064 GET_CURRENT_CONTEXT(ctx
);
1066 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1067 ctx
->Texture
.CurrentUnit
,
1073 _mesa_texture_parameterf(ctx
, texObj
, pname
, param
, false);
1077 _mesa_TexParameterfv(GLenum target
, GLenum pname
, const GLfloat
*params
)
1079 struct gl_texture_object
*texObj
;
1080 GET_CURRENT_CONTEXT(ctx
);
1082 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1083 ctx
->Texture
.CurrentUnit
,
1085 "glTexParameterfv");
1089 _mesa_texture_parameterfv(ctx
, texObj
, pname
, params
, false);
1093 _mesa_TexParameteri(GLenum target
, GLenum pname
, GLint param
)
1095 struct gl_texture_object
*texObj
;
1096 GET_CURRENT_CONTEXT(ctx
);
1098 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1099 ctx
->Texture
.CurrentUnit
,
1105 _mesa_texture_parameteri(ctx
, texObj
, pname
, param
, false);
1109 _mesa_TexParameteriv(GLenum target
, GLenum pname
, const GLint
*params
)
1111 struct gl_texture_object
*texObj
;
1112 GET_CURRENT_CONTEXT(ctx
);
1114 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1115 ctx
->Texture
.CurrentUnit
,
1117 "glTexParameteriv");
1121 _mesa_texture_parameteriv(ctx
, texObj
, pname
, params
, false);
1125 * Set tex parameter to integer value(s). Primarily intended to set
1126 * integer-valued texture border color (for integer-valued textures).
1130 _mesa_TexParameterIiv(GLenum target
, GLenum pname
, const GLint
*params
)
1132 struct gl_texture_object
*texObj
;
1133 GET_CURRENT_CONTEXT(ctx
);
1135 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1136 ctx
->Texture
.CurrentUnit
,
1138 "glTexParameterIiv");
1142 _mesa_texture_parameterIiv(ctx
, texObj
, pname
, params
, false);
1146 * Set tex parameter to unsigned integer value(s). Primarily intended to set
1147 * uint-valued texture border color (for integer-valued textures).
1151 _mesa_TexParameterIuiv(GLenum target
, GLenum pname
, const GLuint
*params
)
1153 struct gl_texture_object
*texObj
;
1154 GET_CURRENT_CONTEXT(ctx
);
1156 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1157 ctx
->Texture
.CurrentUnit
,
1159 "glTexParameterIuiv");
1163 _mesa_texture_parameterIuiv(ctx
, texObj
, pname
, params
, false);
1167 _mesa_TextureParameterfvEXT(GLuint texture
, GLenum target
, GLenum pname
, const GLfloat
*params
)
1169 struct gl_texture_object
*texObj
;
1170 GET_CURRENT_CONTEXT(ctx
);
1172 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
1173 "glTextureParameterfvEXT");
1177 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1178 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureParameterfvEXT");
1182 _mesa_texture_parameterfv(ctx
, texObj
, pname
, params
, true);
1186 _mesa_TextureParameterfv(GLuint texture
, GLenum pname
, const GLfloat
*params
)
1188 struct gl_texture_object
*texObj
;
1189 GET_CURRENT_CONTEXT(ctx
);
1191 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameterfv");
1195 _mesa_texture_parameterfv(ctx
, texObj
, pname
, params
, true);
1199 _mesa_MultiTexParameterfvEXT(GLenum texunit
, GLenum target
, GLenum pname
, const GLfloat
*params
)
1201 struct gl_texture_object
*texObj
;
1202 GET_CURRENT_CONTEXT(ctx
);
1204 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1205 texunit
- GL_TEXTURE0
,
1207 "glMultiTexParameterfvEXT");
1211 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1212 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glMultiTexParameterifvEXT(target)");
1216 _mesa_texture_parameterfv(ctx
, texObj
, pname
, params
, true);
1220 _mesa_TextureParameterfEXT(GLuint texture
, GLenum target
, GLenum pname
, GLfloat param
)
1222 struct gl_texture_object
*texObj
;
1223 GET_CURRENT_CONTEXT(ctx
);
1225 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
1226 "glTextureParameterfEXT");
1230 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1231 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureParameterfEXT");
1235 _mesa_texture_parameterf(ctx
, texObj
, pname
, param
, true);
1239 _mesa_MultiTexParameterfEXT(GLenum texunit
, GLenum target
, GLenum pname
,
1242 struct gl_texture_object
*texObj
;
1243 GET_CURRENT_CONTEXT(ctx
);
1245 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1246 texunit
- GL_TEXTURE0
,
1248 "glMultiTexParameterfEXT");
1252 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1253 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glMultiTexParameterfEXT");
1257 _mesa_texture_parameterf(ctx
, texObj
, pname
, param
, true);
1261 _mesa_TextureParameterf(GLuint texture
, GLenum pname
, GLfloat param
)
1263 struct gl_texture_object
*texObj
;
1264 GET_CURRENT_CONTEXT(ctx
);
1266 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameterf");
1270 _mesa_texture_parameterf(ctx
, texObj
, pname
, param
, true);
1274 _mesa_TextureParameteriEXT(GLuint texture
, GLenum target
, GLenum pname
, GLint param
)
1276 struct gl_texture_object
*texObj
;
1277 GET_CURRENT_CONTEXT(ctx
);
1279 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
1280 "glTextureParameteriEXT");
1284 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1285 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureParameteriEXT(target)");
1289 _mesa_texture_parameteri(ctx
, texObj
, pname
, param
, true);
1293 _mesa_MultiTexParameteriEXT(GLenum texunit
, GLenum target
, GLenum pname
,
1296 struct gl_texture_object
*texObj
;
1297 GET_CURRENT_CONTEXT(ctx
);
1299 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1300 texunit
- GL_TEXTURE0
,
1302 "glMultiTexParameteriEXT");
1306 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1307 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glMultiTexParameteriEXT(target)");
1311 _mesa_texture_parameteri(ctx
, texObj
, pname
, param
, true);
1315 _mesa_TextureParameteri(GLuint texture
, GLenum pname
, GLint param
)
1317 struct gl_texture_object
*texObj
;
1318 GET_CURRENT_CONTEXT(ctx
);
1320 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameteri");
1324 _mesa_texture_parameteri(ctx
, texObj
, pname
, param
, true);
1328 _mesa_TextureParameterivEXT(GLuint texture
, GLenum target
, GLenum pname
,
1329 const GLint
*params
)
1331 struct gl_texture_object
*texObj
;
1332 GET_CURRENT_CONTEXT(ctx
);
1334 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
1335 "glTextureParameterivEXT");
1339 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1340 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glTextureParameterivEXT(target)");
1344 _mesa_texture_parameteriv(ctx
, texObj
, pname
, params
, true);
1348 _mesa_MultiTexParameterivEXT(GLenum texunit
, GLenum target
, GLenum pname
,
1349 const GLint
*params
)
1351 struct gl_texture_object
*texObj
;
1352 GET_CURRENT_CONTEXT(ctx
);
1354 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1355 texunit
- GL_TEXTURE0
,
1357 "glMultiTexParameterivEXT");
1361 if (!is_texparameteri_target_valid(texObj
->Target
)) {
1362 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glMultiTexParameterivEXT(target)");
1366 _mesa_texture_parameteriv(ctx
, texObj
, pname
, params
, true);
1370 _mesa_TextureParameteriv(GLuint texture
, GLenum pname
,
1371 const GLint
*params
)
1373 struct gl_texture_object
*texObj
;
1374 GET_CURRENT_CONTEXT(ctx
);
1376 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameteriv");
1380 _mesa_texture_parameteriv(ctx
, texObj
, pname
, params
, true);
1385 _mesa_TextureParameterIiv(GLuint texture
, GLenum pname
, const GLint
*params
)
1387 struct gl_texture_object
*texObj
;
1388 GET_CURRENT_CONTEXT(ctx
);
1390 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameterIiv");
1394 _mesa_texture_parameterIiv(ctx
, texObj
, pname
, params
, true);
1398 _mesa_TextureParameterIuiv(GLuint texture
, GLenum pname
, const GLuint
*params
)
1400 struct gl_texture_object
*texObj
;
1401 GET_CURRENT_CONTEXT(ctx
);
1403 texObj
= get_texobj_by_name(ctx
, texture
, "glTextureParameterIuiv");
1407 _mesa_texture_parameterIuiv(ctx
, texObj
, pname
, params
, true);
1411 _mesa_legal_get_tex_level_parameter_target(struct gl_context
*ctx
, GLenum target
,
1414 /* Common targets for desktop GL and GLES 3.1. */
1419 case GL_TEXTURE_2D_ARRAY_EXT
:
1420 return ctx
->Extensions
.EXT_texture_array
;
1421 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
1422 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
1423 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
1424 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
1425 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
1426 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
1427 return ctx
->Extensions
.ARB_texture_cube_map
;
1428 case GL_TEXTURE_2D_MULTISAMPLE
:
1429 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1430 return ctx
->Extensions
.ARB_texture_multisample
;
1431 case GL_TEXTURE_BUFFER
:
1432 /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
1433 * but not in earlier versions that expose ARB_texture_buffer_object.
1435 * From the ARB_texture_buffer_object spec:
1436 * "(7) Do buffer textures support texture parameters (TexParameter) or
1437 * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
1439 * RESOLVED: No. [...] Note that the spec edits above don't add
1440 * explicit error language for any of these cases. That is because
1441 * each of the functions enumerate the set of valid <target>
1442 * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
1443 * these cases means that target is not legal, and an INVALID_ENUM
1444 * error should be generated."
1446 * From the OpenGL 3.1 spec:
1447 * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
1449 return (_mesa_is_desktop_gl(ctx
) && ctx
->Version
>= 31) ||
1450 _mesa_has_OES_texture_buffer(ctx
);
1451 case GL_TEXTURE_CUBE_MAP_ARRAY
:
1452 return _mesa_has_texture_cube_map_array(ctx
);
1455 if (!_mesa_is_desktop_gl(ctx
))
1458 /* Rest of the desktop GL targets. */
1461 case GL_PROXY_TEXTURE_1D
:
1462 case GL_PROXY_TEXTURE_2D
:
1463 case GL_PROXY_TEXTURE_3D
:
1465 case GL_PROXY_TEXTURE_CUBE_MAP
:
1466 return ctx
->Extensions
.ARB_texture_cube_map
;
1467 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY
:
1468 return ctx
->Extensions
.ARB_texture_cube_map_array
;
1469 case GL_TEXTURE_RECTANGLE_NV
:
1470 case GL_PROXY_TEXTURE_RECTANGLE_NV
:
1471 return ctx
->Extensions
.NV_texture_rectangle
;
1472 case GL_TEXTURE_1D_ARRAY_EXT
:
1473 case GL_PROXY_TEXTURE_1D_ARRAY_EXT
:
1474 case GL_PROXY_TEXTURE_2D_ARRAY_EXT
:
1475 return ctx
->Extensions
.EXT_texture_array
;
1476 case GL_PROXY_TEXTURE_2D_MULTISAMPLE
:
1477 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
:
1478 return ctx
->Extensions
.ARB_texture_multisample
;
1480 /* This is a valid target for dsa, but the OpenGL 4.5 core spec
1481 * (30.10.2014) Section 8.11 Texture Queries says:
1482 * "For GetTextureLevelParameter* only, texture may also be a cube
1483 * map texture object. In this case the query is always performed
1484 * for face zero (the TEXTURE_CUBE_MAP_POSITIVE_X face), since there
1485 * is no way to specify another face."
1487 case GL_TEXTURE_CUBE_MAP
:
1496 get_tex_level_parameter_image(struct gl_context
*ctx
,
1497 const struct gl_texture_object
*texObj
,
1498 GLenum target
, GLint level
,
1499 GLenum pname
, GLint
*params
,
1502 const struct gl_texture_image
*img
= NULL
;
1503 struct gl_texture_image dummy_image
;
1504 mesa_format texFormat
;
1505 const char *suffix
= dsa
? "ture" : "";
1507 img
= _mesa_select_tex_image(texObj
, target
, level
);
1508 if (!img
|| img
->TexFormat
== MESA_FORMAT_NONE
) {
1509 /* In case of undefined texture image return the default values.
1511 * From OpenGL 4.0 spec, page 398:
1512 * "The initial internal format of a texel array is RGBA
1513 * instead of 1. TEXTURE_COMPONENTS is deprecated; always
1514 * use TEXTURE_INTERNAL_FORMAT."
1516 memset(&dummy_image
, 0, sizeof(dummy_image
));
1517 dummy_image
.TexFormat
= MESA_FORMAT_NONE
;
1518 dummy_image
.InternalFormat
= GL_RGBA
;
1519 dummy_image
._BaseFormat
= GL_NONE
;
1520 dummy_image
.FixedSampleLocations
= GL_TRUE
;
1525 texFormat
= img
->TexFormat
;
1528 case GL_TEXTURE_WIDTH
:
1529 *params
= img
->Width
;
1531 case GL_TEXTURE_HEIGHT
:
1532 *params
= img
->Height
;
1534 case GL_TEXTURE_DEPTH
:
1535 *params
= img
->Depth
;
1537 case GL_TEXTURE_INTERNAL_FORMAT
:
1538 if (_mesa_is_format_compressed(texFormat
)) {
1539 /* need to return the actual compressed format */
1540 *params
= _mesa_compressed_format_to_glenum(ctx
, texFormat
);
1543 /* If the true internal format is not compressed but the user
1544 * requested a generic compressed format, we have to return the
1545 * generic base format that matches.
1547 * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
1549 * "If no specific compressed format is available,
1550 * internalformat is instead replaced by the corresponding base
1553 * Otherwise just return the user's requested internal format
1556 _mesa_gl_compressed_format_base_format(img
->InternalFormat
);
1558 *params
= (f
!= 0) ? f
: img
->InternalFormat
;
1561 case GL_TEXTURE_BORDER
:
1562 if (ctx
->API
!= API_OPENGL_COMPAT
)
1564 *params
= img
->Border
;
1566 case GL_TEXTURE_RED_SIZE
:
1567 case GL_TEXTURE_GREEN_SIZE
:
1568 case GL_TEXTURE_BLUE_SIZE
:
1569 case GL_TEXTURE_ALPHA_SIZE
:
1570 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
))
1571 *params
= _mesa_get_format_bits(texFormat
, pname
);
1575 case GL_TEXTURE_INTENSITY_SIZE
:
1576 case GL_TEXTURE_LUMINANCE_SIZE
:
1577 if (ctx
->API
!= API_OPENGL_COMPAT
)
1579 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
)) {
1580 *params
= _mesa_get_format_bits(texFormat
, pname
);
1582 /* intensity or luminance is probably stored as RGB[A] */
1583 *params
= MIN2(_mesa_get_format_bits(texFormat
,
1584 GL_TEXTURE_RED_SIZE
),
1585 _mesa_get_format_bits(texFormat
,
1586 GL_TEXTURE_GREEN_SIZE
));
1588 if (*params
== 0 && pname
== GL_TEXTURE_INTENSITY_SIZE
) {
1589 /* Gallium may store intensity as LA */
1590 *params
= _mesa_get_format_bits(texFormat
,
1591 GL_TEXTURE_ALPHA_SIZE
);
1598 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1599 if (!ctx
->Extensions
.ARB_depth_texture
)
1601 *params
= _mesa_get_format_bits(texFormat
, pname
);
1603 case GL_TEXTURE_STENCIL_SIZE
:
1604 *params
= _mesa_get_format_bits(texFormat
, pname
);
1606 case GL_TEXTURE_SHARED_SIZE
:
1607 if (ctx
->Version
< 30 &&
1608 !ctx
->Extensions
.EXT_texture_shared_exponent
)
1610 *params
= texFormat
== MESA_FORMAT_R9G9B9E5_FLOAT
? 5 : 0;
1613 /* GL_ARB_texture_compression */
1614 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE
:
1615 if (_mesa_is_format_compressed(texFormat
) &&
1616 !_mesa_is_proxy_texture(target
)) {
1617 *params
= _mesa_format_image_size(texFormat
, img
->Width
,
1618 img
->Height
, img
->Depth
);
1620 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1621 "glGetTex%sLevelParameter[if]v(pname=%s)", suffix
,
1622 _mesa_enum_to_string(pname
));
1625 case GL_TEXTURE_COMPRESSED
:
1626 *params
= (GLint
) _mesa_is_format_compressed(texFormat
);
1629 /* GL_ARB_texture_float */
1630 case GL_TEXTURE_LUMINANCE_TYPE_ARB
:
1631 case GL_TEXTURE_INTENSITY_TYPE_ARB
:
1632 if (ctx
->API
!= API_OPENGL_COMPAT
)
1635 case GL_TEXTURE_RED_TYPE_ARB
:
1636 case GL_TEXTURE_GREEN_TYPE_ARB
:
1637 case GL_TEXTURE_BLUE_TYPE_ARB
:
1638 case GL_TEXTURE_ALPHA_TYPE_ARB
:
1639 case GL_TEXTURE_DEPTH_TYPE_ARB
:
1640 if (!ctx
->Extensions
.ARB_texture_float
)
1642 if (_mesa_base_format_has_channel(img
->_BaseFormat
, pname
))
1643 *params
= _mesa_get_format_datatype(texFormat
);
1648 /* GL_ARB_texture_multisample */
1649 case GL_TEXTURE_SAMPLES
:
1650 if (!ctx
->Extensions
.ARB_texture_multisample
)
1652 *params
= img
->NumSamples
;
1655 case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS
:
1656 if (!ctx
->Extensions
.ARB_texture_multisample
)
1658 *params
= img
->FixedSampleLocations
;
1661 /* There is never a buffer data store here, but these pnames still have
1665 /* GL_ARB_texture_buffer_object */
1666 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING
:
1667 if (!ctx
->Extensions
.ARB_texture_buffer_object
)
1672 /* GL_ARB_texture_buffer_range */
1673 case GL_TEXTURE_BUFFER_OFFSET
:
1674 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1678 case GL_TEXTURE_BUFFER_SIZE
:
1679 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1688 /* no error if we get here */
1692 _mesa_error(ctx
, GL_INVALID_ENUM
,
1693 "glGetTex%sLevelParameter[if]v(pname=%s)", suffix
,
1694 _mesa_enum_to_string(pname
));
1699 * Handle a glGetTexLevelParamteriv() call for a texture buffer.
1702 get_tex_level_parameter_buffer(struct gl_context
*ctx
,
1703 const struct gl_texture_object
*texObj
,
1704 GLenum pname
, GLint
*params
, bool dsa
)
1706 const struct gl_buffer_object
*bo
= texObj
->BufferObject
;
1707 mesa_format texFormat
= texObj
->_BufferObjectFormat
;
1708 int bytes
= MAX2(1, _mesa_get_format_bytes(texFormat
));
1709 GLenum internalFormat
= texObj
->BufferObjectFormat
;
1710 GLenum baseFormat
= _mesa_get_format_base_format(texFormat
);
1711 const char *suffix
= dsa
? "ture" : "";
1713 assert(texObj
->Target
== GL_TEXTURE_BUFFER
);
1716 /* undefined texture buffer object */
1718 case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS
:
1721 case GL_TEXTURE_INTERNAL_FORMAT
:
1722 *params
= internalFormat
;
1732 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING
:
1735 case GL_TEXTURE_WIDTH
:
1736 *params
= ((texObj
->BufferSize
== -1) ? bo
->Size
: texObj
->BufferSize
)
1739 case GL_TEXTURE_HEIGHT
:
1740 case GL_TEXTURE_DEPTH
:
1743 case GL_TEXTURE_BORDER
:
1744 case GL_TEXTURE_SHARED_SIZE
:
1745 case GL_TEXTURE_COMPRESSED
:
1748 case GL_TEXTURE_INTERNAL_FORMAT
:
1749 *params
= internalFormat
;
1751 case GL_TEXTURE_RED_SIZE
:
1752 case GL_TEXTURE_GREEN_SIZE
:
1753 case GL_TEXTURE_BLUE_SIZE
:
1754 case GL_TEXTURE_ALPHA_SIZE
:
1755 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1756 *params
= _mesa_get_format_bits(texFormat
, pname
);
1760 case GL_TEXTURE_INTENSITY_SIZE
:
1761 case GL_TEXTURE_LUMINANCE_SIZE
:
1762 if (_mesa_base_format_has_channel(baseFormat
, pname
)) {
1763 *params
= _mesa_get_format_bits(texFormat
, pname
);
1765 /* intensity or luminance is probably stored as RGB[A] */
1766 *params
= MIN2(_mesa_get_format_bits(texFormat
,
1767 GL_TEXTURE_RED_SIZE
),
1768 _mesa_get_format_bits(texFormat
,
1769 GL_TEXTURE_GREEN_SIZE
));
1775 case GL_TEXTURE_DEPTH_SIZE_ARB
:
1776 case GL_TEXTURE_STENCIL_SIZE_EXT
:
1777 *params
= _mesa_get_format_bits(texFormat
, pname
);
1780 /* GL_ARB_texture_buffer_range */
1781 case GL_TEXTURE_BUFFER_OFFSET
:
1782 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1784 *params
= texObj
->BufferOffset
;
1786 case GL_TEXTURE_BUFFER_SIZE
:
1787 if (!ctx
->Extensions
.ARB_texture_buffer_range
)
1789 *params
= (texObj
->BufferSize
== -1) ? bo
->Size
: texObj
->BufferSize
;
1792 /* GL_ARB_texture_multisample */
1793 case GL_TEXTURE_SAMPLES
:
1794 if (!ctx
->Extensions
.ARB_texture_multisample
)
1799 case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS
:
1800 if (!ctx
->Extensions
.ARB_texture_multisample
)
1805 /* GL_ARB_texture_compression */
1806 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE
:
1807 /* Always illegal for GL_TEXTURE_BUFFER */
1808 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1809 "glGetTex%sLevelParameter[if]v(pname=%s)", suffix
,
1810 _mesa_enum_to_string(pname
));
1813 /* GL_ARB_texture_float */
1814 case GL_TEXTURE_RED_TYPE_ARB
:
1815 case GL_TEXTURE_GREEN_TYPE_ARB
:
1816 case GL_TEXTURE_BLUE_TYPE_ARB
:
1817 case GL_TEXTURE_ALPHA_TYPE_ARB
:
1818 case GL_TEXTURE_LUMINANCE_TYPE_ARB
:
1819 case GL_TEXTURE_INTENSITY_TYPE_ARB
:
1820 case GL_TEXTURE_DEPTH_TYPE_ARB
:
1821 if (!ctx
->Extensions
.ARB_texture_float
)
1823 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1824 *params
= _mesa_get_format_datatype(texFormat
);
1833 /* no error if we get here */
1837 _mesa_error(ctx
, GL_INVALID_ENUM
,
1838 "glGetTex%sLevelParameter[if]v(pname=%s)", suffix
,
1839 _mesa_enum_to_string(pname
));
1843 valid_tex_level_parameteriv_target(struct gl_context
*ctx
, GLenum target
,
1846 const char *suffix
= dsa
? "ture" : "";
1847 if (!_mesa_legal_get_tex_level_parameter_target(ctx
, target
, dsa
)) {
1848 _mesa_error(ctx
, GL_INVALID_ENUM
,
1849 "glGetTex%sLevelParameter[if]v(target=%s)", suffix
,
1850 _mesa_enum_to_string(target
));
1857 * This isn't exposed to the rest of the driver because it is a part of the
1858 * OpenGL API that is rarely used.
1861 get_tex_level_parameteriv(struct gl_context
*ctx
,
1862 struct gl_texture_object
*texObj
,
1863 GLenum target
, GLint level
,
1864 GLenum pname
, GLint
*params
,
1868 const char *suffix
= dsa
? "ture" : "";
1870 /* Check for errors */
1871 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxCombinedTextureImageUnits
) {
1872 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1873 "glGetTex%sLevelParameter[if]v("
1874 "current unit >= max combined texture units)", suffix
);
1878 maxLevels
= _mesa_max_texture_levels(ctx
, target
);
1879 assert(maxLevels
!= 0);
1881 if (level
< 0 || level
>= maxLevels
) {
1882 _mesa_error(ctx
, GL_INVALID_VALUE
,
1883 "glGetTex%sLevelParameter[if]v(level out of range)", suffix
);
1887 /* Get the level parameter */
1888 if (target
== GL_TEXTURE_BUFFER
) {
1889 get_tex_level_parameter_buffer(ctx
, texObj
, pname
, params
, dsa
);
1892 get_tex_level_parameter_image(ctx
, texObj
, target
,
1893 level
, pname
, params
, dsa
);
1898 _mesa_GetTexLevelParameterfv( GLenum target
, GLint level
,
1899 GLenum pname
, GLfloat
*params
)
1901 struct gl_texture_object
*texObj
;
1903 GET_CURRENT_CONTEXT(ctx
);
1905 if (!valid_tex_level_parameteriv_target(ctx
, target
, false))
1908 texObj
= _mesa_get_current_tex_object(ctx
, target
);
1912 get_tex_level_parameteriv(ctx
, texObj
, target
, level
,
1913 pname
, &iparam
, false);
1915 *params
= (GLfloat
) iparam
;
1919 _mesa_GetTexLevelParameteriv( GLenum target
, GLint level
,
1920 GLenum pname
, GLint
*params
)
1922 struct gl_texture_object
*texObj
;
1923 GET_CURRENT_CONTEXT(ctx
);
1925 if (!valid_tex_level_parameteriv_target(ctx
, target
, false))
1928 texObj
= _mesa_get_current_tex_object(ctx
, target
);
1932 get_tex_level_parameteriv(ctx
, texObj
, target
, level
,
1933 pname
, params
, false);
1937 _mesa_GetTextureLevelParameterfv(GLuint texture
, GLint level
,
1938 GLenum pname
, GLfloat
*params
)
1940 struct gl_texture_object
*texObj
;
1942 GET_CURRENT_CONTEXT(ctx
);
1944 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
1945 "glGetTextureLevelParameterfv");
1949 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
1952 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
1953 pname
, &iparam
, true);
1955 *params
= (GLfloat
) iparam
;
1959 _mesa_GetTextureLevelParameterfvEXT(GLuint texture
, GLenum target
, GLint level
,
1960 GLenum pname
, GLfloat
*params
)
1962 struct gl_texture_object
*texObj
;
1964 GET_CURRENT_CONTEXT(ctx
);
1966 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
1967 "glGetTextureLevelParameterfvEXT");
1971 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
1974 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
1975 pname
, &iparam
, true);
1977 *params
= (GLfloat
) iparam
;
1981 _mesa_GetMultiTexLevelParameterfvEXT(GLenum texunit
, GLenum target
, GLint level
,
1982 GLenum pname
, GLfloat
*params
)
1984 struct gl_texture_object
*texObj
;
1986 GET_CURRENT_CONTEXT(ctx
);
1988 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
1989 texunit
- GL_TEXTURE0
,
1991 "glGetMultiTexLevelParameterfvEXT");
1995 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
1998 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
1999 pname
, &iparam
, true);
2001 *params
= (GLfloat
) iparam
;
2005 _mesa_GetTextureLevelParameteriv(GLuint texture
, GLint level
,
2006 GLenum pname
, GLint
*params
)
2008 struct gl_texture_object
*texObj
;
2009 GET_CURRENT_CONTEXT(ctx
);
2011 texObj
= _mesa_lookup_texture_err(ctx
, texture
,
2012 "glGetTextureLevelParameteriv");
2016 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
2019 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
2020 pname
, params
, true);
2024 _mesa_GetTextureLevelParameterivEXT(GLuint texture
, GLenum target
, GLint level
,
2025 GLenum pname
, GLint
*params
)
2027 struct gl_texture_object
*texObj
;
2028 GET_CURRENT_CONTEXT(ctx
);
2030 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
2031 "glGetTextureLevelParameterivEXT");
2035 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
2038 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
2039 pname
, params
, true);
2043 _mesa_GetMultiTexLevelParameterivEXT(GLenum texunit
, GLenum target
, GLint level
,
2044 GLenum pname
, GLint
*params
)
2046 struct gl_texture_object
*texObj
;
2047 GET_CURRENT_CONTEXT(ctx
);
2049 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2050 texunit
- GL_TEXTURE0
,
2052 "glGetMultiTexLevelParameterivEXT");
2056 if (!valid_tex_level_parameteriv_target(ctx
, texObj
->Target
, true))
2059 get_tex_level_parameteriv(ctx
, texObj
, texObj
->Target
, level
,
2060 pname
, params
, true);
2065 * This isn't exposed to the rest of the driver because it is a part of the
2066 * OpenGL API that is rarely used.
2069 get_tex_parameterfv(struct gl_context
*ctx
,
2070 struct gl_texture_object
*obj
,
2071 GLenum pname
, GLfloat
*params
, bool dsa
)
2073 _mesa_lock_context_textures(ctx
);
2075 case GL_TEXTURE_MAG_FILTER
:
2076 *params
= ENUM_TO_FLOAT(obj
->Sampler
.MagFilter
);
2078 case GL_TEXTURE_MIN_FILTER
:
2079 *params
= ENUM_TO_FLOAT(obj
->Sampler
.MinFilter
);
2081 case GL_TEXTURE_WRAP_S
:
2082 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapS
);
2084 case GL_TEXTURE_WRAP_T
:
2085 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapT
);
2087 case GL_TEXTURE_WRAP_R
:
2088 *params
= ENUM_TO_FLOAT(obj
->Sampler
.WrapR
);
2090 case GL_TEXTURE_BORDER_COLOR
:
2091 if (ctx
->API
== API_OPENGLES
||
2092 !ctx
->Extensions
.ARB_texture_border_clamp
)
2095 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
2096 _mesa_update_state_locked(ctx
);
2097 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
)) {
2098 params
[0] = CLAMP(obj
->Sampler
.BorderColor
.f
[0], 0.0F
, 1.0F
);
2099 params
[1] = CLAMP(obj
->Sampler
.BorderColor
.f
[1], 0.0F
, 1.0F
);
2100 params
[2] = CLAMP(obj
->Sampler
.BorderColor
.f
[2], 0.0F
, 1.0F
);
2101 params
[3] = CLAMP(obj
->Sampler
.BorderColor
.f
[3], 0.0F
, 1.0F
);
2104 params
[0] = obj
->Sampler
.BorderColor
.f
[0];
2105 params
[1] = obj
->Sampler
.BorderColor
.f
[1];
2106 params
[2] = obj
->Sampler
.BorderColor
.f
[2];
2107 params
[3] = obj
->Sampler
.BorderColor
.f
[3];
2110 case GL_TEXTURE_RESIDENT
:
2111 if (ctx
->API
!= API_OPENGL_COMPAT
)
2116 case GL_TEXTURE_PRIORITY
:
2117 if (ctx
->API
!= API_OPENGL_COMPAT
)
2120 *params
= obj
->Priority
;
2122 case GL_TEXTURE_MIN_LOD
:
2123 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2126 *params
= obj
->Sampler
.MinLod
;
2128 case GL_TEXTURE_MAX_LOD
:
2129 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2132 *params
= obj
->Sampler
.MaxLod
;
2134 case GL_TEXTURE_BASE_LEVEL
:
2135 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2138 *params
= (GLfloat
) obj
->BaseLevel
;
2140 case GL_TEXTURE_MAX_LEVEL
:
2141 *params
= (GLfloat
) obj
->MaxLevel
;
2143 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
2144 if (!ctx
->Extensions
.EXT_texture_filter_anisotropic
)
2146 *params
= obj
->Sampler
.MaxAnisotropy
;
2148 case GL_GENERATE_MIPMAP_SGIS
:
2149 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
2152 *params
= (GLfloat
) obj
->GenerateMipmap
;
2154 case GL_TEXTURE_COMPARE_MODE_ARB
:
2155 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
2156 && !_mesa_is_gles3(ctx
))
2158 *params
= (GLfloat
) obj
->Sampler
.CompareMode
;
2160 case GL_TEXTURE_COMPARE_FUNC_ARB
:
2161 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
2162 && !_mesa_is_gles3(ctx
))
2164 *params
= (GLfloat
) obj
->Sampler
.CompareFunc
;
2166 case GL_DEPTH_TEXTURE_MODE_ARB
:
2167 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
2168 * never existed in OpenGL ES.
2170 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.ARB_depth_texture
)
2172 *params
= (GLfloat
) obj
->DepthMode
;
2174 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
2175 if (!_mesa_has_ARB_stencil_texturing(ctx
) && !_mesa_is_gles31(ctx
))
2178 (obj
->StencilSampling
? GL_STENCIL_INDEX
: GL_DEPTH_COMPONENT
);
2180 case GL_TEXTURE_LOD_BIAS
:
2181 if (_mesa_is_gles(ctx
))
2184 *params
= obj
->Sampler
.LodBias
;
2186 case GL_TEXTURE_CROP_RECT_OES
:
2187 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
2190 params
[0] = (GLfloat
) obj
->CropRect
[0];
2191 params
[1] = (GLfloat
) obj
->CropRect
[1];
2192 params
[2] = (GLfloat
) obj
->CropRect
[2];
2193 params
[3] = (GLfloat
) obj
->CropRect
[3];
2196 case GL_TEXTURE_SWIZZLE_R_EXT
:
2197 case GL_TEXTURE_SWIZZLE_G_EXT
:
2198 case GL_TEXTURE_SWIZZLE_B_EXT
:
2199 case GL_TEXTURE_SWIZZLE_A_EXT
:
2200 if ((!_mesa_is_desktop_gl(ctx
)
2201 || !ctx
->Extensions
.EXT_texture_swizzle
)
2202 && !_mesa_is_gles3(ctx
))
2204 *params
= (GLfloat
) obj
->Swizzle
[pname
- GL_TEXTURE_SWIZZLE_R_EXT
];
2207 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
2208 if ((!_mesa_is_desktop_gl(ctx
)
2209 || !ctx
->Extensions
.EXT_texture_swizzle
)
2210 && !_mesa_is_gles3(ctx
)) {
2215 for (comp
= 0; comp
< 4; comp
++) {
2216 params
[comp
] = (GLfloat
) obj
->Swizzle
[comp
];
2221 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
2222 if (!_mesa_is_desktop_gl(ctx
)
2223 || !ctx
->Extensions
.AMD_seamless_cubemap_per_texture
)
2225 *params
= (GLfloat
) obj
->Sampler
.CubeMapSeamless
;
2228 case GL_TEXTURE_IMMUTABLE_FORMAT
:
2229 *params
= (GLfloat
) obj
->Immutable
;
2232 case GL_TEXTURE_IMMUTABLE_LEVELS
:
2233 if (_mesa_is_gles3(ctx
) || _mesa_has_texture_view(ctx
))
2234 *params
= (GLfloat
) obj
->ImmutableLevels
;
2239 case GL_TEXTURE_VIEW_MIN_LEVEL
:
2240 if (!_mesa_has_texture_view(ctx
))
2242 *params
= (GLfloat
) obj
->MinLevel
;
2245 case GL_TEXTURE_VIEW_NUM_LEVELS
:
2246 if (!_mesa_has_texture_view(ctx
))
2248 *params
= (GLfloat
) obj
->NumLevels
;
2251 case GL_TEXTURE_VIEW_MIN_LAYER
:
2252 if (!_mesa_has_texture_view(ctx
))
2254 *params
= (GLfloat
) obj
->MinLayer
;
2257 case GL_TEXTURE_VIEW_NUM_LAYERS
:
2258 if (!_mesa_has_texture_view(ctx
))
2260 *params
= (GLfloat
) obj
->NumLayers
;
2263 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES
:
2264 if (!_mesa_is_gles(ctx
) || !ctx
->Extensions
.OES_EGL_image_external
)
2266 *params
= (GLfloat
) obj
->RequiredTextureImageUnits
;
2269 case GL_TEXTURE_SRGB_DECODE_EXT
:
2270 if (!ctx
->Extensions
.EXT_texture_sRGB_decode
)
2272 *params
= (GLfloat
) obj
->Sampler
.sRGBDecode
;
2275 case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE
:
2276 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2278 *params
= (GLfloat
) obj
->ImageFormatCompatibilityType
;
2281 case GL_TEXTURE_TARGET
:
2282 if (ctx
->API
!= API_OPENGL_CORE
)
2284 *params
= ENUM_TO_FLOAT(obj
->Target
);
2287 case GL_TEXTURE_TILING_EXT
:
2288 if (!ctx
->Extensions
.EXT_memory_object
)
2290 *params
= ENUM_TO_FLOAT(obj
->TextureTiling
);
2297 /* no error if we get here */
2298 _mesa_unlock_context_textures(ctx
);
2302 _mesa_unlock_context_textures(ctx
);
2303 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTex%sParameterfv(pname=0x%x)",
2304 dsa
? "ture" : "", pname
);
2309 get_tex_parameteriv(struct gl_context
*ctx
,
2310 struct gl_texture_object
*obj
,
2311 GLenum pname
, GLint
*params
, bool dsa
)
2313 _mesa_lock_texture(ctx
, obj
);
2315 case GL_TEXTURE_MAG_FILTER
:
2316 *params
= (GLint
) obj
->Sampler
.MagFilter
;
2318 case GL_TEXTURE_MIN_FILTER
:
2319 *params
= (GLint
) obj
->Sampler
.MinFilter
;
2321 case GL_TEXTURE_WRAP_S
:
2322 *params
= (GLint
) obj
->Sampler
.WrapS
;
2324 case GL_TEXTURE_WRAP_T
:
2325 *params
= (GLint
) obj
->Sampler
.WrapT
;
2327 case GL_TEXTURE_WRAP_R
:
2328 *params
= (GLint
) obj
->Sampler
.WrapR
;
2330 case GL_TEXTURE_BORDER_COLOR
:
2331 if (ctx
->API
== API_OPENGLES
||
2332 !ctx
->Extensions
.ARB_texture_border_clamp
)
2337 b
[0] = CLAMP(obj
->Sampler
.BorderColor
.f
[0], 0.0F
, 1.0F
);
2338 b
[1] = CLAMP(obj
->Sampler
.BorderColor
.f
[1], 0.0F
, 1.0F
);
2339 b
[2] = CLAMP(obj
->Sampler
.BorderColor
.f
[2], 0.0F
, 1.0F
);
2340 b
[3] = CLAMP(obj
->Sampler
.BorderColor
.f
[3], 0.0F
, 1.0F
);
2341 params
[0] = FLOAT_TO_INT(b
[0]);
2342 params
[1] = FLOAT_TO_INT(b
[1]);
2343 params
[2] = FLOAT_TO_INT(b
[2]);
2344 params
[3] = FLOAT_TO_INT(b
[3]);
2347 case GL_TEXTURE_RESIDENT
:
2348 if (ctx
->API
!= API_OPENGL_COMPAT
)
2353 case GL_TEXTURE_PRIORITY
:
2354 if (ctx
->API
!= API_OPENGL_COMPAT
)
2357 *params
= FLOAT_TO_INT(obj
->Priority
);
2359 case GL_TEXTURE_MIN_LOD
:
2360 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2362 /* GL spec 'Data Conversions' section specifies that floating-point
2363 * value in integer Get function is rounded to nearest integer
2365 *params
= IROUND(obj
->Sampler
.MinLod
);
2367 case GL_TEXTURE_MAX_LOD
:
2368 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2370 /* GL spec 'Data Conversions' section specifies that floating-point
2371 * value in integer Get function is rounded to nearest integer
2373 *params
= IROUND(obj
->Sampler
.MaxLod
);
2375 case GL_TEXTURE_BASE_LEVEL
:
2376 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
2379 *params
= obj
->BaseLevel
;
2381 case GL_TEXTURE_MAX_LEVEL
:
2382 *params
= obj
->MaxLevel
;
2384 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
2385 if (!ctx
->Extensions
.EXT_texture_filter_anisotropic
)
2387 /* GL spec 'Data Conversions' section specifies that floating-point
2388 * value in integer Get function is rounded to nearest integer
2390 *params
= IROUND(obj
->Sampler
.MaxAnisotropy
);
2392 case GL_GENERATE_MIPMAP_SGIS
:
2393 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
2396 *params
= (GLint
) obj
->GenerateMipmap
;
2398 case GL_TEXTURE_COMPARE_MODE_ARB
:
2399 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
2400 && !_mesa_is_gles3(ctx
))
2402 *params
= (GLint
) obj
->Sampler
.CompareMode
;
2404 case GL_TEXTURE_COMPARE_FUNC_ARB
:
2405 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_shadow
)
2406 && !_mesa_is_gles3(ctx
))
2408 *params
= (GLint
) obj
->Sampler
.CompareFunc
;
2410 case GL_DEPTH_TEXTURE_MODE_ARB
:
2411 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.ARB_depth_texture
)
2413 *params
= (GLint
) obj
->DepthMode
;
2415 case GL_DEPTH_STENCIL_TEXTURE_MODE
:
2416 if (!_mesa_has_ARB_stencil_texturing(ctx
) && !_mesa_is_gles31(ctx
))
2419 (obj
->StencilSampling
? GL_STENCIL_INDEX
: GL_DEPTH_COMPONENT
);
2421 case GL_TEXTURE_LOD_BIAS
:
2422 if (_mesa_is_gles(ctx
))
2425 /* GL spec 'Data Conversions' section specifies that floating-point
2426 * value in integer Get function is rounded to nearest integer
2428 *params
= IROUND(obj
->Sampler
.LodBias
);
2430 case GL_TEXTURE_CROP_RECT_OES
:
2431 if (ctx
->API
!= API_OPENGLES
|| !ctx
->Extensions
.OES_draw_texture
)
2434 params
[0] = obj
->CropRect
[0];
2435 params
[1] = obj
->CropRect
[1];
2436 params
[2] = obj
->CropRect
[2];
2437 params
[3] = obj
->CropRect
[3];
2439 case GL_TEXTURE_SWIZZLE_R_EXT
:
2440 case GL_TEXTURE_SWIZZLE_G_EXT
:
2441 case GL_TEXTURE_SWIZZLE_B_EXT
:
2442 case GL_TEXTURE_SWIZZLE_A_EXT
:
2443 if ((!_mesa_is_desktop_gl(ctx
)
2444 || !ctx
->Extensions
.EXT_texture_swizzle
)
2445 && !_mesa_is_gles3(ctx
))
2447 *params
= obj
->Swizzle
[pname
- GL_TEXTURE_SWIZZLE_R_EXT
];
2450 case GL_TEXTURE_SWIZZLE_RGBA_EXT
:
2451 if ((!_mesa_is_desktop_gl(ctx
)
2452 || !ctx
->Extensions
.EXT_texture_swizzle
)
2453 && !_mesa_is_gles3(ctx
))
2455 COPY_4V(params
, obj
->Swizzle
);
2458 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
2459 if (!_mesa_is_desktop_gl(ctx
)
2460 || !ctx
->Extensions
.AMD_seamless_cubemap_per_texture
)
2462 *params
= (GLint
) obj
->Sampler
.CubeMapSeamless
;
2465 case GL_TEXTURE_IMMUTABLE_FORMAT
:
2466 *params
= (GLint
) obj
->Immutable
;
2469 case GL_TEXTURE_IMMUTABLE_LEVELS
:
2470 if (_mesa_is_gles3(ctx
) ||
2471 (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_texture_view
))
2472 *params
= obj
->ImmutableLevels
;
2477 case GL_TEXTURE_VIEW_MIN_LEVEL
:
2478 if (!ctx
->Extensions
.ARB_texture_view
)
2480 *params
= (GLint
) obj
->MinLevel
;
2483 case GL_TEXTURE_VIEW_NUM_LEVELS
:
2484 if (!ctx
->Extensions
.ARB_texture_view
)
2486 *params
= (GLint
) obj
->NumLevels
;
2489 case GL_TEXTURE_VIEW_MIN_LAYER
:
2490 if (!ctx
->Extensions
.ARB_texture_view
)
2492 *params
= (GLint
) obj
->MinLayer
;
2495 case GL_TEXTURE_VIEW_NUM_LAYERS
:
2496 if (!ctx
->Extensions
.ARB_texture_view
)
2498 *params
= (GLint
) obj
->NumLayers
;
2501 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES
:
2502 if (!_mesa_is_gles(ctx
) || !ctx
->Extensions
.OES_EGL_image_external
)
2504 *params
= obj
->RequiredTextureImageUnits
;
2507 case GL_TEXTURE_SRGB_DECODE_EXT
:
2508 if (!ctx
->Extensions
.EXT_texture_sRGB_decode
)
2510 *params
= obj
->Sampler
.sRGBDecode
;
2513 case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE
:
2514 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2516 *params
= obj
->ImageFormatCompatibilityType
;
2519 case GL_TEXTURE_TARGET
:
2520 if (ctx
->API
!= API_OPENGL_CORE
)
2522 *params
= (GLint
) obj
->Target
;
2525 case GL_TEXTURE_TILING_EXT
:
2526 if (!ctx
->Extensions
.EXT_memory_object
)
2528 *params
= (GLint
) obj
->TextureTiling
;
2535 /* no error if we get here */
2536 _mesa_unlock_texture(ctx
, obj
);
2540 _mesa_unlock_texture(ctx
, obj
);
2541 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetTex%sParameteriv(pname=0x%x)",
2542 dsa
? "ture" : "", pname
);
2546 get_tex_parameterIiv(struct gl_context
*ctx
,
2547 struct gl_texture_object
*obj
,
2548 GLenum pname
, GLint
*params
, bool dsa
)
2551 case GL_TEXTURE_BORDER_COLOR
:
2552 COPY_4V(params
, obj
->Sampler
.BorderColor
.i
);
2555 get_tex_parameteriv(ctx
, obj
, pname
, params
, dsa
);
2560 _mesa_GetTexParameterfv(GLenum target
, GLenum pname
, GLfloat
*params
)
2562 struct gl_texture_object
*obj
;
2563 GET_CURRENT_CONTEXT(ctx
);
2565 obj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2566 ctx
->Texture
.CurrentUnit
,
2568 "glGetTexParameterfv");
2572 get_tex_parameterfv(ctx
, obj
, pname
, params
, false);
2576 _mesa_GetTexParameteriv(GLenum target
, GLenum pname
, GLint
*params
)
2578 struct gl_texture_object
*obj
;
2579 GET_CURRENT_CONTEXT(ctx
);
2581 obj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2582 ctx
->Texture
.CurrentUnit
,
2584 "glGetTexParameteriv");
2588 get_tex_parameteriv(ctx
, obj
, pname
, params
, false);
2591 /** New in GL 3.0 */
2593 _mesa_GetTexParameterIiv(GLenum target
, GLenum pname
, GLint
*params
)
2595 struct gl_texture_object
*texObj
;
2596 GET_CURRENT_CONTEXT(ctx
);
2598 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2599 ctx
->Texture
.CurrentUnit
,
2601 "glGetTexParameterIiv");
2605 get_tex_parameterIiv(ctx
, texObj
, pname
, params
, false);
2609 /** New in GL 3.0 */
2611 _mesa_GetTexParameterIuiv(GLenum target
, GLenum pname
, GLuint
*params
)
2613 struct gl_texture_object
*texObj
;
2614 GET_CURRENT_CONTEXT(ctx
);
2616 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2617 ctx
->Texture
.CurrentUnit
,
2619 "glGetTexParameterIuiv");
2623 get_tex_parameterIiv(ctx
, texObj
, pname
, (GLint
*) params
, false);
2627 _mesa_GetTextureParameterfvEXT(GLuint texture
, GLenum target
, GLenum pname
, GLfloat
*params
)
2629 struct gl_texture_object
*texObj
;
2630 GET_CURRENT_CONTEXT(ctx
);
2632 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
2633 "glGetTextureParameterfvEXT");
2637 if (!is_texparameteri_target_valid(texObj
->Target
)) {
2638 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTextureParameterfvEXT");
2642 get_tex_parameterfv(ctx
, texObj
, pname
, params
, true);
2646 _mesa_GetMultiTexParameterfvEXT(GLenum texunit
, GLenum target
, GLenum pname
, GLfloat
*params
)
2648 struct gl_texture_object
*texObj
;
2649 GET_CURRENT_CONTEXT(ctx
);
2651 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2652 texunit
- GL_TEXTURE0
,
2654 "glGetMultiTexParameterfvEXT");
2658 if (!is_texparameteri_target_valid(texObj
->Target
)) {
2659 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetMultiTexParameterfvEXT");
2662 get_tex_parameterfv(ctx
, texObj
, pname
, params
, true);
2666 _mesa_GetTextureParameterfv(GLuint texture
, GLenum pname
, GLfloat
*params
)
2668 struct gl_texture_object
*obj
;
2669 GET_CURRENT_CONTEXT(ctx
);
2671 obj
= get_texobj_by_name(ctx
, texture
, "glGetTextureParameterfv");
2675 get_tex_parameterfv(ctx
, obj
, pname
, params
, true);
2679 _mesa_GetTextureParameterivEXT(GLuint texture
, GLenum target
, GLenum pname
, GLint
*params
)
2681 struct gl_texture_object
*texObj
;
2682 GET_CURRENT_CONTEXT(ctx
);
2684 texObj
= _mesa_lookup_or_create_texture(ctx
, target
, texture
, false, true,
2685 "glGetTextureParameterivEXT");
2689 if (!is_texparameteri_target_valid(texObj
->Target
)) {
2690 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetTextureParameterivEXT");
2693 get_tex_parameteriv(ctx
, texObj
, pname
, params
, true);
2697 _mesa_GetMultiTexParameterivEXT(GLenum texunit
, GLenum target
, GLenum pname
, GLint
*params
)
2699 struct gl_texture_object
*texObj
;
2700 GET_CURRENT_CONTEXT(ctx
);
2702 texObj
= _mesa_get_texobj_by_target_and_texunit(ctx
, target
,
2703 texunit
- GL_TEXTURE0
,
2705 "glGetMultiTexParameterivEXT");
2709 if (!is_texparameteri_target_valid(texObj
->Target
)) {
2710 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glGetMultiTexParameterivEXT");
2713 get_tex_parameteriv(ctx
, texObj
, pname
, params
, true);
2717 _mesa_GetTextureParameteriv(GLuint texture
, GLenum pname
, GLint
*params
)
2719 struct gl_texture_object
*obj
;
2720 GET_CURRENT_CONTEXT(ctx
);
2722 obj
= get_texobj_by_name(ctx
, texture
, "glGetTextureParameteriv");
2726 get_tex_parameteriv(ctx
, obj
, pname
, params
, true);
2730 _mesa_GetTextureParameterIiv(GLuint texture
, GLenum pname
, GLint
*params
)
2732 struct gl_texture_object
*texObj
;
2733 GET_CURRENT_CONTEXT(ctx
);
2735 texObj
= get_texobj_by_name(ctx
, texture
, "glGetTextureParameterIiv");
2739 get_tex_parameterIiv(ctx
, texObj
, pname
, params
, true);
2744 _mesa_GetTextureParameterIuiv(GLuint texture
, GLenum pname
, GLuint
*params
)
2746 struct gl_texture_object
*texObj
;
2747 GET_CURRENT_CONTEXT(ctx
);
2749 texObj
= get_texobj_by_name(ctx
, texture
, "glGetTextureParameterIuiv");
2753 get_tex_parameterIiv(ctx
, texObj
, pname
, (GLint
*) params
, true);