2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR 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_storage_multisample) {
180 return texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX];
183 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
184 if (ctx->Extensions.ARB_texture_storage_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])
450 texObj->Sampler.CompareFunc = params[0];
458 if (ctx->Extensions.EXT_shadow_funcs) {
460 texObj->Sampler.CompareFunc = params[0];
470 case GL_DEPTH_TEXTURE_MODE_ARB:
471 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has never
472 * existed in OpenGL ES.
474 if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_texture) {
475 if (texObj->DepthMode == params[0])
477 if (params[0] == GL_LUMINANCE ||
478 params[0] == GL_INTENSITY ||
479 params[0] == GL_ALPHA ||
480 (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
482 texObj->DepthMode = params[0];
489 case GL_TEXTURE_CROP_RECT_OES:
490 if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
493 texObj->CropRect[0] = params[0];
494 texObj->CropRect[1] = params[1];
495 texObj->CropRect[2] = params[2];
496 texObj->CropRect[3] = params[3];
499 case GL_TEXTURE_SWIZZLE_R_EXT:
500 case GL_TEXTURE_SWIZZLE_G_EXT:
501 case GL_TEXTURE_SWIZZLE_B_EXT:
502 case GL_TEXTURE_SWIZZLE_A_EXT:
503 if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
504 || _mesa_is_gles3(ctx)) {
505 const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
506 const GLint swz = comp_to_swizzle(params[0]);
508 _mesa_error(ctx, GL_INVALID_OPERATION,
509 "glTexParameter(swizzle 0x%x)", params[0]);
515 texObj->Swizzle[comp] = params[0];
516 set_swizzle_component(&texObj->_Swizzle, comp, swz);
521 case GL_TEXTURE_SWIZZLE_RGBA_EXT:
522 if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_swizzle)
523 || _mesa_is_gles3(ctx)) {
526 for (comp = 0; comp < 4; comp++) {
527 const GLint swz = comp_to_swizzle(params[comp]);
529 texObj->Swizzle[comp] = params[comp];
530 set_swizzle_component(&texObj->_Swizzle, comp, swz);
533 _mesa_error(ctx, GL_INVALID_OPERATION,
534 "glTexParameter(swizzle 0x%x)", params[comp]);
542 case GL_TEXTURE_SRGB_DECODE_EXT:
543 if (_mesa_is_desktop_gl(ctx)
544 && ctx->Extensions.EXT_texture_sRGB_decode) {
545 GLenum decode = params[0];
547 if (!target_allows_setting_sampler_parameters(texObj->Target))
548 goto invalid_operation;
550 if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
551 if (texObj->Sampler.sRGBDecode != decode) {
553 texObj->Sampler.sRGBDecode = decode;
560 case GL_TEXTURE_CUBE_MAP_SEAMLESS:
561 if (_mesa_is_desktop_gl(ctx)
562 && ctx->Extensions.AMD_seamless_cubemap_per_texture) {
563 GLenum param = params[0];
565 if (!target_allows_setting_sampler_parameters(texObj->Target))
566 goto invalid_operation;
568 if (param != GL_TRUE && param != GL_FALSE) {
571 if (param != texObj->Sampler.CubeMapSeamless) {
573 texObj->Sampler.CubeMapSeamless = param;
584 _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
585 _mesa_lookup_enum_by_nr(pname));
589 _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)",
590 _mesa_lookup_enum_by_nr(params[0]));
594 _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(pname=%s)",
595 _mesa_lookup_enum_by_nr(pname));
601 * Set a float-valued texture parameter
602 * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
605 set_tex_parameterf(struct gl_context *ctx,
606 struct gl_texture_object *texObj,
607 GLenum pname, const GLfloat *params)
610 case GL_TEXTURE_MIN_LOD:
611 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
614 if (!target_allows_setting_sampler_parameters(texObj->Target))
615 goto invalid_operation;
617 if (texObj->Sampler.MinLod == params[0])
620 texObj->Sampler.MinLod = params[0];
623 case GL_TEXTURE_MAX_LOD:
624 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
627 if (!target_allows_setting_sampler_parameters(texObj->Target))
628 goto invalid_operation;
630 if (texObj->Sampler.MaxLod == params[0])
633 texObj->Sampler.MaxLod = params[0];
636 case GL_TEXTURE_PRIORITY:
637 if (ctx->API != API_OPENGL_COMPAT)
641 texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
644 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
645 if (ctx->Extensions.EXT_texture_filter_anisotropic) {
646 if (!target_allows_setting_sampler_parameters(texObj->Target))
647 goto invalid_operation;
649 if (texObj->Sampler.MaxAnisotropy == params[0])
651 if (params[0] < 1.0) {
652 _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
656 /* clamp to max, that's what NVIDIA does */
657 texObj->Sampler.MaxAnisotropy = MIN2(params[0],
658 ctx->Const.MaxTextureMaxAnisotropy);
662 static GLuint count = 0;
668 case GL_TEXTURE_LOD_BIAS:
669 /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias.
670 * It was removed in core-profile, and it has never existed in OpenGL
673 if (ctx->API != API_OPENGL_COMPAT)
676 if (!target_allows_setting_sampler_parameters(texObj->Target))
677 goto invalid_operation;
679 if (texObj->Sampler.LodBias != params[0]) {
681 texObj->Sampler.LodBias = params[0];
686 case GL_TEXTURE_BORDER_COLOR:
687 if (!_mesa_is_desktop_gl(ctx))
690 if (!target_allows_setting_sampler_parameters(texObj->Target))
691 goto invalid_operation;
694 /* ARB_texture_float disables clamping */
695 if (ctx->Extensions.ARB_texture_float) {
696 texObj->Sampler.BorderColor.f[RCOMP] = params[0];
697 texObj->Sampler.BorderColor.f[GCOMP] = params[1];
698 texObj->Sampler.BorderColor.f[BCOMP] = params[2];
699 texObj->Sampler.BorderColor.f[ACOMP] = params[3];
701 texObj->Sampler.BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F);
702 texObj->Sampler.BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F);
703 texObj->Sampler.BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F);
704 texObj->Sampler.BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F);
714 _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
715 _mesa_lookup_enum_by_nr(pname));
719 _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(pname=%s)",
720 _mesa_lookup_enum_by_nr(pname));
726 _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
728 GLboolean need_update;
729 struct gl_texture_object *texObj;
730 GET_CURRENT_CONTEXT(ctx);
732 texObj = get_texobj(ctx, target, GL_FALSE);
737 case GL_TEXTURE_MIN_FILTER:
738 case GL_TEXTURE_MAG_FILTER:
739 case GL_TEXTURE_WRAP_S:
740 case GL_TEXTURE_WRAP_T:
741 case GL_TEXTURE_WRAP_R:
742 case GL_TEXTURE_BASE_LEVEL:
743 case GL_TEXTURE_MAX_LEVEL:
744 case GL_GENERATE_MIPMAP_SGIS:
745 case GL_TEXTURE_COMPARE_MODE_ARB:
746 case GL_TEXTURE_COMPARE_FUNC_ARB:
747 case GL_DEPTH_TEXTURE_MODE_ARB:
748 case GL_TEXTURE_SRGB_DECODE_EXT:
749 case GL_TEXTURE_CUBE_MAP_SEAMLESS:
750 case GL_TEXTURE_SWIZZLE_R_EXT:
751 case GL_TEXTURE_SWIZZLE_G_EXT:
752 case GL_TEXTURE_SWIZZLE_B_EXT:
753 case GL_TEXTURE_SWIZZLE_A_EXT:
757 ((param > INT_MAX) ? INT_MAX : (GLint) (param + 0.5)) :
758 ((param < INT_MIN) ? INT_MIN : (GLint) (param - 0.5));
760 p[1] = p[2] = p[3] = 0;
761 need_update = set_tex_parameteri(ctx, texObj, pname, p);
766 /* this will generate an error if pname is illegal */
769 p[1] = p[2] = p[3] = 0.0F;
770 need_update = set_tex_parameterf(ctx, texObj, pname, p);
774 if (ctx->Driver.TexParameter && need_update) {
775 ctx->Driver.TexParameter(ctx, target, texObj, pname, ¶m);
781 _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
783 GLboolean need_update;
784 struct gl_texture_object *texObj;
785 GET_CURRENT_CONTEXT(ctx);
787 texObj = get_texobj(ctx, target, GL_FALSE);
792 case GL_TEXTURE_MIN_FILTER:
793 case GL_TEXTURE_MAG_FILTER:
794 case GL_TEXTURE_WRAP_S:
795 case GL_TEXTURE_WRAP_T:
796 case GL_TEXTURE_WRAP_R:
797 case GL_TEXTURE_BASE_LEVEL:
798 case GL_TEXTURE_MAX_LEVEL:
799 case GL_GENERATE_MIPMAP_SGIS:
800 case GL_TEXTURE_COMPARE_MODE_ARB:
801 case GL_TEXTURE_COMPARE_FUNC_ARB:
802 case GL_DEPTH_TEXTURE_MODE_ARB:
803 case GL_TEXTURE_SRGB_DECODE_EXT:
804 case GL_TEXTURE_CUBE_MAP_SEAMLESS:
806 /* convert float param to int */
808 p[0] = (GLint) params[0];
809 p[1] = p[2] = p[3] = 0;
810 need_update = set_tex_parameteri(ctx, texObj, pname, p);
813 case GL_TEXTURE_CROP_RECT_OES:
815 /* convert float params to int */
817 iparams[0] = (GLint) params[0];
818 iparams[1] = (GLint) params[1];
819 iparams[2] = (GLint) params[2];
820 iparams[3] = (GLint) params[3];
821 need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
824 case GL_TEXTURE_SWIZZLE_R_EXT:
825 case GL_TEXTURE_SWIZZLE_G_EXT:
826 case GL_TEXTURE_SWIZZLE_B_EXT:
827 case GL_TEXTURE_SWIZZLE_A_EXT:
828 case GL_TEXTURE_SWIZZLE_RGBA_EXT:
830 GLint p[4] = {0, 0, 0, 0};
831 p[0] = (GLint) params[0];
832 if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) {
833 p[1] = (GLint) params[1];
834 p[2] = (GLint) params[2];
835 p[3] = (GLint) params[3];
837 need_update = set_tex_parameteri(ctx, texObj, pname, p);
841 /* this will generate an error if pname is illegal */
842 need_update = set_tex_parameterf(ctx, texObj, pname, params);
845 if (ctx->Driver.TexParameter && need_update) {
846 ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
852 _mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
854 GLboolean need_update;
855 struct gl_texture_object *texObj;
856 GET_CURRENT_CONTEXT(ctx);
858 texObj = get_texobj(ctx, target, GL_FALSE);
863 case GL_TEXTURE_MIN_LOD:
864 case GL_TEXTURE_MAX_LOD:
865 case GL_TEXTURE_PRIORITY:
866 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
867 case GL_TEXTURE_LOD_BIAS:
868 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
871 fparam[0] = (GLfloat) param;
872 fparam[1] = fparam[2] = fparam[3] = 0.0F;
873 /* convert int param to float */
874 need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
878 /* this will generate an error if pname is illegal */
882 iparam[1] = iparam[2] = iparam[3] = 0;
883 need_update = set_tex_parameteri(ctx, texObj, pname, iparam);
887 if (ctx->Driver.TexParameter && need_update) {
888 GLfloat fparam = (GLfloat) param;
889 ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
895 _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
897 GLboolean need_update;
898 struct gl_texture_object *texObj;
899 GET_CURRENT_CONTEXT(ctx);
901 texObj = get_texobj(ctx, target, GL_FALSE);
906 case GL_TEXTURE_BORDER_COLOR:
908 /* convert int params to float */
910 fparams[0] = INT_TO_FLOAT(params[0]);
911 fparams[1] = INT_TO_FLOAT(params[1]);
912 fparams[2] = INT_TO_FLOAT(params[2]);
913 fparams[3] = INT_TO_FLOAT(params[3]);
914 need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
917 case GL_TEXTURE_MIN_LOD:
918 case GL_TEXTURE_MAX_LOD:
919 case GL_TEXTURE_PRIORITY:
920 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
921 case GL_TEXTURE_LOD_BIAS:
922 case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
924 /* convert int param to float */
926 fparams[0] = (GLfloat) params[0];
927 fparams[1] = fparams[2] = fparams[3] = 0.0F;
928 need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
932 /* this will generate an error if pname is illegal */
933 need_update = set_tex_parameteri(ctx, texObj, pname, params);
936 if (ctx->Driver.TexParameter && need_update) {
938 fparams[0] = INT_TO_FLOAT(params[0]);
939 if (pname == GL_TEXTURE_BORDER_COLOR ||
940 pname == GL_TEXTURE_CROP_RECT_OES) {
941 fparams[1] = INT_TO_FLOAT(params[1]);
942 fparams[2] = INT_TO_FLOAT(params[2]);
943 fparams[3] = INT_TO_FLOAT(params[3]);
945 ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
951 * Set tex parameter to integer value(s). Primarily intended to set
952 * integer-valued texture border color (for integer-valued textures).
956 _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
958 struct gl_texture_object *texObj;
959 GET_CURRENT_CONTEXT(ctx);
961 texObj = get_texobj(ctx, target, GL_FALSE);
966 case GL_TEXTURE_BORDER_COLOR:
967 FLUSH_VERTICES(ctx, _NEW_TEXTURE);
968 /* set the integer-valued border color */
969 COPY_4V(texObj->Sampler.BorderColor.i, params);
972 _mesa_TexParameteriv(target, pname, params);
975 /* XXX no driver hook for TexParameterIiv() yet */
980 * Set tex parameter to unsigned integer value(s). Primarily intended to set
981 * uint-valued texture border color (for integer-valued textures).
985 _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
987 struct gl_texture_object *texObj;
988 GET_CURRENT_CONTEXT(ctx);
990 texObj = get_texobj(ctx, target, GL_FALSE);
995 case GL_TEXTURE_BORDER_COLOR:
996 FLUSH_VERTICES(ctx, _NEW_TEXTURE);
997 /* set the unsigned integer-valued border color */
998 COPY_4V(texObj->Sampler.BorderColor.ui, params);
1001 _mesa_TexParameteriv(target, pname, (const GLint *) params);
1004 /* XXX no driver hook for TexParameterIuiv() yet */
1009 legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target)
1013 case GL_PROXY_TEXTURE_1D:
1015 case GL_PROXY_TEXTURE_2D:
1017 case GL_PROXY_TEXTURE_3D:
1019 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
1020 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
1021 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
1022 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
1023 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
1024 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
1025 case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
1026 return ctx->Extensions.ARB_texture_cube_map;
1027 case GL_TEXTURE_RECTANGLE_NV:
1028 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1029 return ctx->Extensions.NV_texture_rectangle;
1030 case GL_TEXTURE_1D_ARRAY_EXT:
1031 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1032 case GL_TEXTURE_2D_ARRAY_EXT:
1033 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1034 return (ctx->Extensions.MESA_texture_array ||
1035 ctx->Extensions.EXT_texture_array);
1036 case GL_TEXTURE_BUFFER:
1037 /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
1038 * but not in earlier versions that expose ARB_texture_buffer_object.
1040 * From the ARB_texture_buffer_object spec:
1041 * "(7) Do buffer textures support texture parameters (TexParameter) or
1042 * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
1044 * RESOLVED: No. [...] Note that the spec edits above don't add
1045 * explicit error language for any of these cases. That is because
1046 * each of the functions enumerate the set of valid <target>
1047 * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
1048 * these cases means that target is not legal, and an INVALID_ENUM
1049 * error should be generated."
1051 * From the OpenGL 3.1 spec:
1052 * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
1054 return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
1055 case GL_TEXTURE_2D_MULTISAMPLE:
1056 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1057 return ctx->Extensions.ARB_texture_multisample;
1065 get_tex_level_parameter_image(struct gl_context *ctx,
1066 const struct gl_texture_object *texObj,
1067 GLenum target, GLint level,
1068 GLenum pname, GLint *params)
1070 const struct gl_texture_image *img = NULL;
1071 gl_format texFormat;
1073 img = _mesa_select_tex_image(ctx, texObj, target, level);
1074 if (!img || img->TexFormat == MESA_FORMAT_NONE) {
1075 /* undefined texture image */
1076 if (pname == GL_TEXTURE_COMPONENTS)
1083 texFormat = img->TexFormat;
1086 case GL_TEXTURE_WIDTH:
1087 *params = img->Width;
1089 case GL_TEXTURE_HEIGHT:
1090 *params = img->Height;
1092 case GL_TEXTURE_DEPTH:
1093 *params = img->Depth;
1095 case GL_TEXTURE_INTERNAL_FORMAT:
1096 if (_mesa_is_format_compressed(texFormat)) {
1097 /* need to return the actual compressed format */
1098 *params = _mesa_compressed_format_to_glenum(ctx, texFormat);
1101 /* If the true internal format is not compressed but the user
1102 * requested a generic compressed format, we have to return the
1103 * generic base format that matches.
1105 * From page 119 (page 129 of the PDF) of the OpenGL 1.3 spec:
1107 * "If no specific compressed format is available,
1108 * internalformat is instead replaced by the corresponding base
1111 * Otherwise just return the user's requested internal format
1114 _mesa_gl_compressed_format_base_format(img->InternalFormat);
1116 *params = (f != 0) ? f : img->InternalFormat;
1119 case GL_TEXTURE_BORDER:
1120 *params = img->Border;
1122 case GL_TEXTURE_RED_SIZE:
1123 case GL_TEXTURE_GREEN_SIZE:
1124 case GL_TEXTURE_BLUE_SIZE:
1125 case GL_TEXTURE_ALPHA_SIZE:
1126 if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
1127 *params = _mesa_get_format_bits(texFormat, pname);
1131 case GL_TEXTURE_INTENSITY_SIZE:
1132 case GL_TEXTURE_LUMINANCE_SIZE:
1133 if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) {
1134 *params = _mesa_get_format_bits(texFormat, pname);
1136 /* intensity or luminance is probably stored as RGB[A] */
1137 *params = MIN2(_mesa_get_format_bits(texFormat,
1138 GL_TEXTURE_RED_SIZE),
1139 _mesa_get_format_bits(texFormat,
1140 GL_TEXTURE_GREEN_SIZE));
1147 case GL_TEXTURE_DEPTH_SIZE_ARB:
1148 if (!ctx->Extensions.ARB_depth_texture)
1150 *params = _mesa_get_format_bits(texFormat, pname);
1152 case GL_TEXTURE_STENCIL_SIZE_EXT:
1153 if (!ctx->Extensions.EXT_packed_depth_stencil &&
1154 !ctx->Extensions.ARB_framebuffer_object)
1156 *params = _mesa_get_format_bits(texFormat, pname);
1158 case GL_TEXTURE_SHARED_SIZE:
1159 if (ctx->Version < 30 &&
1160 !ctx->Extensions.EXT_texture_shared_exponent)
1162 *params = texFormat == MESA_FORMAT_RGB9_E5_FLOAT ? 5 : 0;
1165 /* GL_ARB_texture_compression */
1166 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
1167 if (_mesa_is_format_compressed(texFormat) &&
1168 !_mesa_is_proxy_texture(target)) {
1169 *params = _mesa_format_image_size(texFormat, img->Width,
1170 img->Height, img->Depth);
1173 _mesa_error(ctx, GL_INVALID_OPERATION,
1174 "glGetTexLevelParameter[if]v(pname)");
1177 case GL_TEXTURE_COMPRESSED:
1178 *params = (GLint) _mesa_is_format_compressed(texFormat);
1181 /* GL_ARB_texture_float */
1182 case GL_TEXTURE_RED_TYPE_ARB:
1183 case GL_TEXTURE_GREEN_TYPE_ARB:
1184 case GL_TEXTURE_BLUE_TYPE_ARB:
1185 case GL_TEXTURE_ALPHA_TYPE_ARB:
1186 case GL_TEXTURE_LUMINANCE_TYPE_ARB:
1187 case GL_TEXTURE_INTENSITY_TYPE_ARB:
1188 case GL_TEXTURE_DEPTH_TYPE_ARB:
1189 if (!ctx->Extensions.ARB_texture_float)
1191 if (_mesa_base_format_has_channel(img->_BaseFormat, pname))
1192 *params = _mesa_get_format_datatype(texFormat);
1197 /* GL_ARB_texture_multisample */
1198 case GL_TEXTURE_SAMPLES:
1199 if (!ctx->Extensions.ARB_texture_multisample)
1201 *params = img->NumSamples;
1204 case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
1205 if (!ctx->Extensions.ARB_texture_multisample)
1207 *params = img->FixedSampleLocations;
1214 /* no error if we get here */
1218 _mesa_error(ctx, GL_INVALID_ENUM,
1219 "glGetTexLevelParameter[if]v(pname=%s)",
1220 _mesa_lookup_enum_by_nr(pname));
1225 get_tex_level_parameter_buffer(struct gl_context *ctx,
1226 const struct gl_texture_object *texObj,
1227 GLenum pname, GLint *params)
1229 const struct gl_buffer_object *bo = texObj->BufferObject;
1230 gl_format texFormat = texObj->_BufferObjectFormat;
1231 GLenum internalFormat = texObj->BufferObjectFormat;
1232 GLenum baseFormat = _mesa_get_format_base_format(texFormat);
1235 /* undefined texture buffer object */
1236 *params = pname == GL_TEXTURE_COMPONENTS ? 1 : 0;
1241 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING:
1244 case GL_TEXTURE_WIDTH:
1247 case GL_TEXTURE_HEIGHT:
1248 case GL_TEXTURE_DEPTH:
1249 case GL_TEXTURE_BORDER:
1250 case GL_TEXTURE_SHARED_SIZE:
1251 case GL_TEXTURE_COMPRESSED:
1254 case GL_TEXTURE_INTERNAL_FORMAT:
1255 *params = internalFormat;
1257 case GL_TEXTURE_RED_SIZE:
1258 case GL_TEXTURE_GREEN_SIZE:
1259 case GL_TEXTURE_BLUE_SIZE:
1260 case GL_TEXTURE_ALPHA_SIZE:
1261 if (_mesa_base_format_has_channel(baseFormat, pname))
1262 *params = _mesa_get_format_bits(texFormat, pname);
1266 case GL_TEXTURE_INTENSITY_SIZE:
1267 case GL_TEXTURE_LUMINANCE_SIZE:
1268 if (_mesa_base_format_has_channel(baseFormat, pname)) {
1269 *params = _mesa_get_format_bits(texFormat, pname);
1271 /* intensity or luminance is probably stored as RGB[A] */
1272 *params = MIN2(_mesa_get_format_bits(texFormat,
1273 GL_TEXTURE_RED_SIZE),
1274 _mesa_get_format_bits(texFormat,
1275 GL_TEXTURE_GREEN_SIZE));
1281 case GL_TEXTURE_DEPTH_SIZE_ARB:
1282 case GL_TEXTURE_STENCIL_SIZE_EXT:
1283 *params = _mesa_get_format_bits(texFormat, pname);
1286 /* GL_ARB_texture_buffer_range */
1287 case GL_TEXTURE_BUFFER_OFFSET:
1288 if (!ctx->Extensions.ARB_texture_buffer_range)
1290 *params = texObj->BufferOffset;
1292 case GL_TEXTURE_BUFFER_SIZE:
1293 if (!ctx->Extensions.ARB_texture_buffer_range)
1295 *params = (texObj->BufferSize == -1) ? bo->Size : texObj->BufferSize;
1298 /* GL_ARB_texture_compression */
1299 case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
1300 /* Always illegal for GL_TEXTURE_BUFFER */
1301 _mesa_error(ctx, GL_INVALID_OPERATION,
1302 "glGetTexLevelParameter[if]v(pname)");
1305 /* GL_ARB_texture_float */
1306 case GL_TEXTURE_RED_TYPE_ARB:
1307 case GL_TEXTURE_GREEN_TYPE_ARB:
1308 case GL_TEXTURE_BLUE_TYPE_ARB:
1309 case GL_TEXTURE_ALPHA_TYPE_ARB:
1310 case GL_TEXTURE_LUMINANCE_TYPE_ARB:
1311 case GL_TEXTURE_INTENSITY_TYPE_ARB:
1312 case GL_TEXTURE_DEPTH_TYPE_ARB:
1313 if (!ctx->Extensions.ARB_texture_float)
1315 if (_mesa_base_format_has_channel(baseFormat, pname))
1316 *params = _mesa_get_format_datatype(texFormat);
1325 /* no error if we get here */
1329 _mesa_error(ctx, GL_INVALID_ENUM,
1330 "glGetTexLevelParameter[if]v(pname=%s)",
1331 _mesa_lookup_enum_by_nr(pname));
1336 _mesa_GetTexLevelParameterfv( GLenum target, GLint level,
1337 GLenum pname, GLfloat *params )
1340 _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
1341 *params = (GLfloat) iparam;
1346 _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
1347 GLenum pname, GLint *params )
1349 const struct gl_texture_unit *texUnit;
1350 struct gl_texture_object *texObj;
1352 GET_CURRENT_CONTEXT(ctx);
1354 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
1355 _mesa_error(ctx, GL_INVALID_OPERATION,
1356 "glGetTexLevelParameteriv(current unit)");
1360 texUnit = _mesa_get_current_tex_unit(ctx);
1362 if (!legal_get_tex_level_parameter_target(ctx, target)) {
1363 _mesa_error(ctx, GL_INVALID_ENUM,
1364 "glGetTexLevelParameter[if]v(target=0x%x)", target);
1368 maxLevels = _mesa_max_texture_levels(ctx, target);
1369 assert(maxLevels != 0);
1371 if (level < 0 || level >= maxLevels) {
1372 _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
1376 texObj = _mesa_select_tex_object(ctx, texUnit, target);
1378 if (target == GL_TEXTURE_BUFFER)
1379 get_tex_level_parameter_buffer(ctx, texObj, pname, params);
1381 get_tex_level_parameter_image(ctx, texObj, target, level, pname, params);
1386 _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
1388 struct gl_texture_object *obj;
1389 GET_CURRENT_CONTEXT(ctx);
1391 obj = get_texobj(ctx, target, GL_TRUE);
1395 _mesa_lock_texture(ctx, obj);
1397 case GL_TEXTURE_MAG_FILTER:
1398 *params = ENUM_TO_FLOAT(obj->Sampler.MagFilter);
1400 case GL_TEXTURE_MIN_FILTER:
1401 *params = ENUM_TO_FLOAT(obj->Sampler.MinFilter);
1403 case GL_TEXTURE_WRAP_S:
1404 *params = ENUM_TO_FLOAT(obj->Sampler.WrapS);
1406 case GL_TEXTURE_WRAP_T:
1407 *params = ENUM_TO_FLOAT(obj->Sampler.WrapT);
1409 case GL_TEXTURE_WRAP_R:
1410 *params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
1412 case GL_TEXTURE_BORDER_COLOR:
1413 if (!_mesa_is_desktop_gl(ctx))
1416 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1417 _mesa_update_state_locked(ctx);
1418 if (_mesa_get_clamp_fragment_color(ctx)) {
1419 params[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
1420 params[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
1421 params[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
1422 params[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
1425 params[0] = obj->Sampler.BorderColor.f[0];
1426 params[1] = obj->Sampler.BorderColor.f[1];
1427 params[2] = obj->Sampler.BorderColor.f[2];
1428 params[3] = obj->Sampler.BorderColor.f[3];
1431 case GL_TEXTURE_RESIDENT:
1432 if (ctx->API != API_OPENGL_COMPAT)
1437 case GL_TEXTURE_PRIORITY:
1438 if (ctx->API != API_OPENGL_COMPAT)
1441 *params = obj->Priority;
1443 case GL_TEXTURE_MIN_LOD:
1444 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1447 *params = obj->Sampler.MinLod;
1449 case GL_TEXTURE_MAX_LOD:
1450 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1453 *params = obj->Sampler.MaxLod;
1455 case GL_TEXTURE_BASE_LEVEL:
1456 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1459 *params = (GLfloat) obj->BaseLevel;
1461 case GL_TEXTURE_MAX_LEVEL:
1462 *params = (GLfloat) obj->MaxLevel;
1464 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
1465 if (!ctx->Extensions.EXT_texture_filter_anisotropic)
1467 *params = obj->Sampler.MaxAnisotropy;
1469 case GL_GENERATE_MIPMAP_SGIS:
1470 if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
1473 *params = (GLfloat) obj->GenerateMipmap;
1475 case GL_TEXTURE_COMPARE_MODE_ARB:
1476 if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1477 && !_mesa_is_gles3(ctx))
1479 *params = (GLfloat) obj->Sampler.CompareMode;
1481 case GL_TEXTURE_COMPARE_FUNC_ARB:
1482 if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1483 && !_mesa_is_gles3(ctx))
1485 *params = (GLfloat) obj->Sampler.CompareFunc;
1487 case GL_DEPTH_TEXTURE_MODE_ARB:
1488 /* GL_DEPTH_TEXTURE_MODE_ARB is removed in core-profile and it has
1489 * never existed in OpenGL ES.
1491 if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
1493 *params = (GLfloat) obj->DepthMode;
1495 case GL_TEXTURE_LOD_BIAS:
1496 if (ctx->API != API_OPENGL_COMPAT)
1499 *params = obj->Sampler.LodBias;
1501 case GL_TEXTURE_CROP_RECT_OES:
1502 if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
1505 params[0] = (GLfloat) obj->CropRect[0];
1506 params[1] = (GLfloat) obj->CropRect[1];
1507 params[2] = (GLfloat) obj->CropRect[2];
1508 params[3] = (GLfloat) obj->CropRect[3];
1511 case GL_TEXTURE_SWIZZLE_R_EXT:
1512 case GL_TEXTURE_SWIZZLE_G_EXT:
1513 case GL_TEXTURE_SWIZZLE_B_EXT:
1514 case GL_TEXTURE_SWIZZLE_A_EXT:
1515 if ((!_mesa_is_desktop_gl(ctx)
1516 || !ctx->Extensions.EXT_texture_swizzle)
1517 && !_mesa_is_gles3(ctx))
1519 *params = (GLfloat) obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
1522 case GL_TEXTURE_SWIZZLE_RGBA_EXT:
1523 if ((!_mesa_is_desktop_gl(ctx)
1524 || !ctx->Extensions.EXT_texture_swizzle)
1525 && !_mesa_is_gles3(ctx)) {
1530 for (comp = 0; comp < 4; comp++) {
1531 params[comp] = (GLfloat) obj->Swizzle[comp];
1536 case GL_TEXTURE_CUBE_MAP_SEAMLESS:
1537 if (!_mesa_is_desktop_gl(ctx)
1538 || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
1540 *params = (GLfloat) obj->Sampler.CubeMapSeamless;
1543 case GL_TEXTURE_IMMUTABLE_FORMAT:
1544 if (!ctx->Extensions.ARB_texture_storage)
1546 *params = (GLfloat) obj->Immutable;
1549 case GL_TEXTURE_IMMUTABLE_LEVELS:
1550 if (!_mesa_is_gles3(ctx))
1552 *params = (GLfloat) obj->ImmutableLevels;
1555 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
1556 if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
1558 *params = obj->RequiredTextureImageUnits;
1561 case GL_TEXTURE_SRGB_DECODE_EXT:
1562 if (!ctx->Extensions.EXT_texture_sRGB_decode)
1564 *params = (GLfloat) obj->Sampler.sRGBDecode;
1571 /* no error if we get here */
1572 _mesa_unlock_texture(ctx, obj);
1576 _mesa_unlock_texture(ctx, obj);
1577 _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", pname);
1582 _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
1584 struct gl_texture_object *obj;
1585 GET_CURRENT_CONTEXT(ctx);
1587 obj = get_texobj(ctx, target, GL_TRUE);
1591 _mesa_lock_texture(ctx, obj);
1593 case GL_TEXTURE_MAG_FILTER:
1594 *params = (GLint) obj->Sampler.MagFilter;
1596 case GL_TEXTURE_MIN_FILTER:
1597 *params = (GLint) obj->Sampler.MinFilter;
1599 case GL_TEXTURE_WRAP_S:
1600 *params = (GLint) obj->Sampler.WrapS;
1602 case GL_TEXTURE_WRAP_T:
1603 *params = (GLint) obj->Sampler.WrapT;
1605 case GL_TEXTURE_WRAP_R:
1606 *params = (GLint) obj->Sampler.WrapR;
1608 case GL_TEXTURE_BORDER_COLOR:
1609 if (!_mesa_is_desktop_gl(ctx))
1614 b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
1615 b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
1616 b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
1617 b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
1618 params[0] = FLOAT_TO_INT(b[0]);
1619 params[1] = FLOAT_TO_INT(b[1]);
1620 params[2] = FLOAT_TO_INT(b[2]);
1621 params[3] = FLOAT_TO_INT(b[3]);
1624 case GL_TEXTURE_RESIDENT:
1625 if (ctx->API != API_OPENGL_COMPAT)
1630 case GL_TEXTURE_PRIORITY:
1631 if (ctx->API != API_OPENGL_COMPAT)
1634 *params = FLOAT_TO_INT(obj->Priority);
1636 case GL_TEXTURE_MIN_LOD:
1637 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1640 *params = (GLint) obj->Sampler.MinLod;
1642 case GL_TEXTURE_MAX_LOD:
1643 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1646 *params = (GLint) obj->Sampler.MaxLod;
1648 case GL_TEXTURE_BASE_LEVEL:
1649 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
1652 *params = obj->BaseLevel;
1654 case GL_TEXTURE_MAX_LEVEL:
1655 *params = obj->MaxLevel;
1657 case GL_TEXTURE_MAX_ANISOTROPY_EXT:
1658 if (!ctx->Extensions.EXT_texture_filter_anisotropic)
1660 *params = (GLint) obj->Sampler.MaxAnisotropy;
1662 case GL_GENERATE_MIPMAP_SGIS:
1663 if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
1666 *params = (GLint) obj->GenerateMipmap;
1668 case GL_TEXTURE_COMPARE_MODE_ARB:
1669 if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1670 && !_mesa_is_gles3(ctx))
1672 *params = (GLint) obj->Sampler.CompareMode;
1674 case GL_TEXTURE_COMPARE_FUNC_ARB:
1675 if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_shadow)
1676 && !_mesa_is_gles3(ctx))
1678 *params = (GLint) obj->Sampler.CompareFunc;
1680 case GL_DEPTH_TEXTURE_MODE_ARB:
1681 if (ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_depth_texture)
1683 *params = (GLint) obj->DepthMode;
1685 case GL_TEXTURE_LOD_BIAS:
1686 if (ctx->API != API_OPENGL_COMPAT)
1689 *params = (GLint) obj->Sampler.LodBias;
1691 case GL_TEXTURE_CROP_RECT_OES:
1692 if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
1695 params[0] = obj->CropRect[0];
1696 params[1] = obj->CropRect[1];
1697 params[2] = obj->CropRect[2];
1698 params[3] = obj->CropRect[3];
1700 case GL_TEXTURE_SWIZZLE_R_EXT:
1701 case GL_TEXTURE_SWIZZLE_G_EXT:
1702 case GL_TEXTURE_SWIZZLE_B_EXT:
1703 case GL_TEXTURE_SWIZZLE_A_EXT:
1704 if ((!_mesa_is_desktop_gl(ctx)
1705 || !ctx->Extensions.EXT_texture_swizzle)
1706 && !_mesa_is_gles3(ctx))
1708 *params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
1711 case GL_TEXTURE_SWIZZLE_RGBA_EXT:
1712 if ((!_mesa_is_desktop_gl(ctx)
1713 || !ctx->Extensions.EXT_texture_swizzle)
1714 && !_mesa_is_gles3(ctx))
1716 COPY_4V(params, obj->Swizzle);
1719 case GL_TEXTURE_CUBE_MAP_SEAMLESS:
1720 if (!_mesa_is_desktop_gl(ctx)
1721 || !ctx->Extensions.AMD_seamless_cubemap_per_texture)
1723 *params = (GLint) obj->Sampler.CubeMapSeamless;
1726 case GL_TEXTURE_IMMUTABLE_FORMAT:
1727 if (!ctx->Extensions.ARB_texture_storage)
1729 *params = (GLint) obj->Immutable;
1732 case GL_TEXTURE_IMMUTABLE_LEVELS:
1733 if (!_mesa_is_gles3(ctx))
1735 *params = obj->ImmutableLevels;
1738 case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
1739 if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
1741 *params = obj->RequiredTextureImageUnits;
1744 case GL_TEXTURE_SRGB_DECODE_EXT:
1745 if (!ctx->Extensions.EXT_texture_sRGB_decode)
1747 *params = obj->Sampler.sRGBDecode;
1754 /* no error if we get here */
1755 _mesa_unlock_texture(ctx, obj);
1759 _mesa_unlock_texture(ctx, obj);
1760 _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
1764 /** New in GL 3.0 */
1766 _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
1768 struct gl_texture_object *texObj;
1769 GET_CURRENT_CONTEXT(ctx);
1771 texObj = get_texobj(ctx, target, GL_TRUE);
1776 case GL_TEXTURE_BORDER_COLOR:
1777 COPY_4V(params, texObj->Sampler.BorderColor.i);
1780 _mesa_GetTexParameteriv(target, pname, params);
1785 /** New in GL 3.0 */
1787 _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
1789 struct gl_texture_object *texObj;
1790 GET_CURRENT_CONTEXT(ctx);
1792 texObj = get_texobj(ctx, target, GL_TRUE);
1797 case GL_TEXTURE_BORDER_COLOR:
1798 COPY_4V(params, texObj->Sampler.BorderColor.i);
1803 _mesa_GetTexParameteriv(target, pname, ip);
1805 if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
1806 pname == GL_TEXTURE_CROP_RECT_OES) {