/* * Mesa 3-D graphics library * Version: 7.5 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * Copyright (C) 2009 VMware, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * \file texparam.c * * glTexParameter-related functions */ #include /** * Check if a coordinate wrap mode is supported for the texture target. * \return GL_TRUE if legal, GL_FALSE otherwise */ static GLboolean validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap) { switch (wrap) { case GL_CLAMP: case GL_REPEAT: case GL_MIRRORED_REPEAT: return GL_TRUE; default: break; } _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap ); return GL_FALSE; } /** * Get current texture object for given target. * Return NULL if any error (and record the error). * Note that this is different from _mesa_select_tex_object() in that proxy * targets are not accepted. * Only the glGetTexLevelParameter() functions accept proxy targets. */ static struct gl_texture_object * get_texobj(struct gl_context *ctx, GLenum target, GLboolean get) { struct gl_texture_unit *texUnit; texUnit = &ctx->Texture.Unit; switch (target) { case GL_TEXTURE_1D: return texUnit->CurrentTex[TEXTURE_1D_INDEX]; case GL_TEXTURE_2D: return texUnit->CurrentTex[TEXTURE_2D_INDEX]; case GL_TEXTURE_CUBE_MAP: if (ctx->Extensions.ARB_texture_cube_map) { return texUnit->CurrentTex[TEXTURE_CUBE_INDEX]; } break; default: ; } _mesa_error(ctx, GL_INVALID_ENUM, "gl%sTexParameter(target)", get ? "Get" : ""); return NULL; } /** * This is called just prior to changing any texture object state which * will not effect texture completeness. */ static inline void flush(struct gl_context *ctx) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); } /** * This is called just prior to changing any texture object state which * can effect texture completeness (texture base level, max level, * minification filter). * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE * state flag and then mark the texture object as 'incomplete' so that any * per-texture derived state gets recomputed. */ static inline void incomplete(struct gl_context *ctx, struct gl_texture_object *texObj) { FLUSH_VERTICES(ctx, _NEW_TEXTURE); texObj->_Complete = GL_FALSE; } /** * Set an integer-valued texture parameter * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise */ static GLboolean set_tex_parameteri(struct gl_context *ctx, struct gl_texture_object *texObj, GLenum pname, const GLint *params) { switch (pname) { case GL_TEXTURE_MIN_FILTER: if (texObj->Sampler.MinFilter == params[0]) return GL_FALSE; switch (params[0]) { case GL_NEAREST: case GL_LINEAR: incomplete(ctx, texObj); texObj->Sampler.MinFilter = params[0]; return GL_TRUE; case GL_NEAREST_MIPMAP_NEAREST: case GL_LINEAR_MIPMAP_NEAREST: case GL_NEAREST_MIPMAP_LINEAR: case GL_LINEAR_MIPMAP_LINEAR: incomplete(ctx, texObj); texObj->Sampler.MinFilter = params[0]; return GL_TRUE; /* fall-through */ default: goto invalid_param; } return GL_FALSE; case GL_TEXTURE_MAG_FILTER: if (texObj->Sampler.MagFilter == params[0]) return GL_FALSE; switch (params[0]) { case GL_NEAREST: case GL_LINEAR: flush(ctx); /* does not effect completeness */ texObj->Sampler.MagFilter = params[0]; return GL_TRUE; default: goto invalid_param; } return GL_FALSE; case GL_TEXTURE_WRAP_S: if (texObj->Sampler.WrapS == params[0]) return GL_FALSE; if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { flush(ctx); texObj->Sampler.WrapS = params[0]; return GL_TRUE; } return GL_FALSE; case GL_TEXTURE_WRAP_T: if (texObj->Sampler.WrapT == params[0]) return GL_FALSE; if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { flush(ctx); texObj->Sampler.WrapT = params[0]; return GL_TRUE; } return GL_FALSE; case GL_TEXTURE_WRAP_R: if (texObj->Sampler.WrapR == params[0]) return GL_FALSE; if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { flush(ctx); texObj->Sampler.WrapR = params[0]; return GL_TRUE; } return GL_FALSE; default: goto invalid_pname; } invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)", _mesa_lookup_enum_by_nr(pname)); return GL_FALSE; invalid_param: _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)", _mesa_lookup_enum_by_nr(params[0])); return GL_FALSE; } /** * Set a float-valued texture parameter * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise */ static GLboolean set_tex_parameterf(struct gl_context *ctx, struct gl_texture_object *texObj, GLenum pname, const GLfloat *params) { switch (pname) { case GL_TEXTURE_PRIORITY: flush(ctx); texObj->Priority = CLAMP(params[0], 0.0F, 1.0F); return GL_TRUE; case GL_TEXTURE_MAX_ANISOTROPY_EXT: if (ctx->Extensions.EXT_texture_filter_anisotropic) { if (texObj->Sampler.MaxAnisotropy == params[0]) return GL_FALSE; if (params[0] < 1.0) { _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return GL_FALSE; } flush(ctx); /* clamp to max, that's what NVIDIA does */ texObj->Sampler.MaxAnisotropy = MIN2(params[0], ctx->Const.MaxTextureMaxAnisotropy); return GL_TRUE; } else { static GLuint count = 0; if (count++ < 10) _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); } return GL_FALSE; case GL_TEXTURE_BORDER_COLOR: flush(ctx); texObj->Sampler.BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F); texObj->Sampler.BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F); texObj->Sampler.BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F); texObj->Sampler.BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F); return GL_TRUE; default: _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); } return GL_FALSE; } void GLAPIENTRY _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param) { GLboolean need_update; struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_MIN_FILTER: case GL_TEXTURE_MAG_FILTER: case GL_TEXTURE_WRAP_S: case GL_TEXTURE_WRAP_T: case GL_TEXTURE_WRAP_R: case GL_TEXTURE_COMPARE_MODE_ARB: case GL_TEXTURE_COMPARE_FUNC_ARB: case GL_DEPTH_TEXTURE_MODE_ARB: case GL_TEXTURE_CUBE_MAP_SEAMLESS: { /* convert float param to int */ GLint p[4]; p[0] = (GLint) param; p[1] = p[2] = p[3] = 0; need_update = set_tex_parameteri(ctx, texObj, pname, p); } break; case GL_TEXTURE_SWIZZLE_R_EXT: case GL_TEXTURE_SWIZZLE_G_EXT: case GL_TEXTURE_SWIZZLE_B_EXT: case GL_TEXTURE_SWIZZLE_A_EXT: { GLint p[4]; p[0] = (GLint) param; p[1] = p[2] = p[3] = 0; need_update = set_tex_parameteri(ctx, texObj, pname, p); } break; default: { /* this will generate an error if pname is illegal */ GLfloat p[4]; p[0] = param; p[1] = p[2] = p[3] = 0.0F; need_update = set_tex_parameterf(ctx, texObj, pname, p); } } if (ctx->Driver.TexParameter && need_update) { ctx->Driver.TexParameter(ctx, target, texObj, pname, ¶m); } } void GLAPIENTRY _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params) { GLboolean need_update; struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_MIN_FILTER: case GL_TEXTURE_MAG_FILTER: case GL_TEXTURE_WRAP_S: case GL_TEXTURE_WRAP_T: case GL_TEXTURE_WRAP_R: case GL_TEXTURE_COMPARE_MODE_ARB: case GL_TEXTURE_COMPARE_FUNC_ARB: case GL_DEPTH_TEXTURE_MODE_ARB: case GL_TEXTURE_CUBE_MAP_SEAMLESS: { /* convert float param to int */ GLint p[4]; p[0] = (GLint) params[0]; p[1] = p[2] = p[3] = 0; need_update = set_tex_parameteri(ctx, texObj, pname, p); } break; case GL_TEXTURE_SWIZZLE_R_EXT: case GL_TEXTURE_SWIZZLE_G_EXT: case GL_TEXTURE_SWIZZLE_B_EXT: case GL_TEXTURE_SWIZZLE_A_EXT: case GL_TEXTURE_SWIZZLE_RGBA_EXT: { GLint p[4] = {0, 0, 0, 0}; p[0] = (GLint) params[0]; if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT) { p[1] = (GLint) params[1]; p[2] = (GLint) params[2]; p[3] = (GLint) params[3]; } need_update = set_tex_parameteri(ctx, texObj, pname, p); } break; default: /* this will generate an error if pname is illegal */ need_update = set_tex_parameterf(ctx, texObj, pname, params); } if (ctx->Driver.TexParameter && need_update) { ctx->Driver.TexParameter(ctx, target, texObj, pname, params); } } void GLAPIENTRY _mesa_TexParameteri(GLenum target, GLenum pname, GLint param) { GLboolean need_update; struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_MIN_LOD: case GL_TEXTURE_MAX_LOD: case GL_TEXTURE_PRIORITY: case GL_TEXTURE_MAX_ANISOTROPY_EXT: case GL_TEXTURE_LOD_BIAS: case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: { GLfloat fparam[4]; fparam[0] = (GLfloat) param; fparam[1] = fparam[2] = fparam[3] = 0.0F; /* convert int param to float */ need_update = set_tex_parameterf(ctx, texObj, pname, fparam); } break; default: /* this will generate an error if pname is illegal */ { GLint iparam[4]; iparam[0] = param; iparam[1] = iparam[2] = iparam[3] = 0; need_update = set_tex_parameteri(ctx, texObj, pname, iparam); } } if (ctx->Driver.TexParameter && need_update) { GLfloat fparam = (GLfloat) param; ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam); } } void GLAPIENTRY _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params) { GLboolean need_update; struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_BORDER_COLOR: { /* convert int params to float */ GLfloat fparams[4]; fparams[0] = INT_TO_FLOAT(params[0]); fparams[1] = INT_TO_FLOAT(params[1]); fparams[2] = INT_TO_FLOAT(params[2]); fparams[3] = INT_TO_FLOAT(params[3]); need_update = set_tex_parameterf(ctx, texObj, pname, fparams); } break; case GL_TEXTURE_MIN_LOD: case GL_TEXTURE_MAX_LOD: case GL_TEXTURE_PRIORITY: case GL_TEXTURE_MAX_ANISOTROPY_EXT: case GL_TEXTURE_LOD_BIAS: case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: { /* convert int param to float */ GLfloat fparams[4]; fparams[0] = (GLfloat) params[0]; fparams[1] = fparams[2] = fparams[3] = 0.0F; need_update = set_tex_parameterf(ctx, texObj, pname, fparams); } break; default: /* this will generate an error if pname is illegal */ need_update = set_tex_parameteri(ctx, texObj, pname, params); } if (ctx->Driver.TexParameter && need_update) { GLfloat fparams[4]; fparams[0] = INT_TO_FLOAT(params[0]); if (pname == GL_TEXTURE_BORDER_COLOR || pname == GL_TEXTURE_CROP_RECT_OES) { fparams[1] = INT_TO_FLOAT(params[1]); fparams[2] = INT_TO_FLOAT(params[2]); fparams[3] = INT_TO_FLOAT(params[3]); } ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams); } } /** * Set tex parameter to integer value(s). Primarily intended to set * integer-valued texture border color (for integer-valued textures). * New in GL 3.0. */ void GLAPIENTRY _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_BORDER_COLOR: FLUSH_VERTICES(ctx, _NEW_TEXTURE); /* set the integer-valued border color */ COPY_4V(texObj->Sampler.BorderColor.i, params); break; default: _mesa_TexParameteriv(target, pname, params); break; } /* XXX no driver hook for TexParameterIiv() yet */ } /** * Set tex parameter to unsigned integer value(s). Primarily intended to set * uint-valued texture border color (for integer-valued textures). * New in GL 3.0 */ void GLAPIENTRY _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_FALSE); if (!texObj) return; switch (pname) { case GL_TEXTURE_BORDER_COLOR: FLUSH_VERTICES(ctx, _NEW_TEXTURE); /* set the unsigned integer-valued border color */ COPY_4V(texObj->Sampler.BorderColor.ui, params); break; default: _mesa_TexParameteriv(target, pname, (const GLint *) params); break; } /* XXX no driver hook for TexParameterIuiv() yet */ } void GLAPIENTRY _mesa_GetTexLevelParameterfv( GLenum target, GLint level, GLenum pname, GLfloat *params ) { GLint iparam; _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); *params = (GLfloat) iparam; } void GLAPIENTRY _mesa_GetTexLevelParameteriv( GLenum target, GLint level, GLenum pname, GLint *params ) { struct gl_texture_object *texObj; const struct gl_texture_image *img = NULL; GLint maxLevels; gl_format texFormat; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); /* this will catch bad target values */ maxLevels = _mesa_max_texture_levels(ctx, target); if (maxLevels == 0) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target=0x%x)", target); return; } if (level < 0 || level >= maxLevels) { _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); return; } texObj = _mesa_select_tex_object(ctx, target); img = _mesa_select_tex_image(ctx, texObj, target, level); if (!img || img->TexFormat == MESA_FORMAT_NONE) { /* undefined texture image */ if (pname == GL_TEXTURE_COMPONENTS) *params = 1; else *params = 0; return; } texFormat = img->TexFormat; switch (pname) { case GL_TEXTURE_WIDTH: *params = img->Width; break; case GL_TEXTURE_HEIGHT: *params = img->Height; break; case GL_TEXTURE_DEPTH: *params = img->Depth; break; case GL_TEXTURE_INTERNAL_FORMAT: *params = img->InternalFormat; break; case GL_TEXTURE_BORDER: *params = img->Border; break; case GL_TEXTURE_RED_SIZE: case GL_TEXTURE_GREEN_SIZE: case GL_TEXTURE_BLUE_SIZE: case GL_TEXTURE_ALPHA_SIZE: if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) *params = _mesa_get_format_bits(texFormat, pname); else *params = 0; break; case GL_TEXTURE_INTENSITY_SIZE: case GL_TEXTURE_LUMINANCE_SIZE: if (_mesa_base_format_has_channel(img->_BaseFormat, pname)) { *params = _mesa_get_format_bits(texFormat, pname); if (*params == 0) { /* intensity or luminance is probably stored as RGB[A] */ *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE), _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE)); } } else { *params = 0; } break; default: goto invalid_pname; } /* no error if we get here */ return; invalid_pname: _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname=%s)", _mesa_lookup_enum_by_nr(pname)); } void GLAPIENTRY _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) { struct gl_texture_object *obj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); obj = get_texobj(ctx, target, GL_TRUE); if (!obj) return; _mesa_lock_texture(ctx, obj); switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = ENUM_TO_FLOAT(obj->Sampler.MagFilter); break; case GL_TEXTURE_MIN_FILTER: *params = ENUM_TO_FLOAT(obj->Sampler.MinFilter); break; case GL_TEXTURE_WRAP_S: *params = ENUM_TO_FLOAT(obj->Sampler.WrapS); break; case GL_TEXTURE_WRAP_T: *params = ENUM_TO_FLOAT(obj->Sampler.WrapT); break; case GL_TEXTURE_WRAP_R: *params = ENUM_TO_FLOAT(obj->Sampler.WrapR); break; case GL_TEXTURE_BORDER_COLOR: if (ctx->NewState & _NEW_BUFFERS) _mesa_update_state_locked(ctx); params[0] = obj->Sampler.BorderColor.f[0]; params[1] = obj->Sampler.BorderColor.f[1]; params[2] = obj->Sampler.BorderColor.f[2]; params[3] = obj->Sampler.BorderColor.f[3]; break; case GL_TEXTURE_RESIDENT: *params = 1.0F; break; case GL_TEXTURE_PRIORITY: *params = obj->Priority; break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: if (!ctx->Extensions.EXT_texture_filter_anisotropic) goto invalid_pname; *params = obj->Sampler.MaxAnisotropy; break; case GL_TEXTURE_IMMUTABLE_FORMAT: if (!ctx->Extensions.ARB_texture_storage) goto invalid_pname; *params = (GLfloat) obj->Immutable; break; default: goto invalid_pname; } /* no error if we get here */ _mesa_unlock_texture(ctx, obj); return; invalid_pname: _mesa_unlock_texture(ctx, obj); _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", pname); } void GLAPIENTRY _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) { struct gl_texture_object *obj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); obj = get_texobj(ctx, target, GL_TRUE); if (!obj) return; _mesa_lock_texture(ctx, obj); switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = (GLint) obj->Sampler.MagFilter; break;; case GL_TEXTURE_MIN_FILTER: *params = (GLint) obj->Sampler.MinFilter; break;; case GL_TEXTURE_WRAP_S: *params = (GLint) obj->Sampler.WrapS; break;; case GL_TEXTURE_WRAP_T: *params = (GLint) obj->Sampler.WrapT; break;; case GL_TEXTURE_WRAP_R: *params = (GLint) obj->Sampler.WrapR; break;; case GL_TEXTURE_BORDER_COLOR: { GLfloat b[4]; b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F); b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F); b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F); b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F); params[0] = FLOAT_TO_INT(b[0]); params[1] = FLOAT_TO_INT(b[1]); params[2] = FLOAT_TO_INT(b[2]); params[3] = FLOAT_TO_INT(b[3]); } break;; case GL_TEXTURE_RESIDENT: *params = 1; break;; case GL_TEXTURE_PRIORITY: *params = FLOAT_TO_INT(obj->Priority); break; case GL_TEXTURE_MAX_ANISOTROPY_EXT: if (!ctx->Extensions.EXT_texture_filter_anisotropic) goto invalid_pname; *params = (GLint) obj->Sampler.MaxAnisotropy; break; case GL_TEXTURE_IMMUTABLE_FORMAT: if (!ctx->Extensions.ARB_texture_storage) goto invalid_pname; *params = (GLint) obj->Immutable; break; default: goto invalid_pname; } /* no error if we get here */ _mesa_unlock_texture(ctx, obj); return; invalid_pname: _mesa_unlock_texture(ctx, obj); _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname); } /** New in GL 3.0 */ void GLAPIENTRY _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_TRUE); if (!texObj) return; switch (pname) { case GL_TEXTURE_BORDER_COLOR: COPY_4V(params, texObj->Sampler.BorderColor.i); break; default: _mesa_GetTexParameteriv(target, pname, params); } } /** New in GL 3.0 */ void GLAPIENTRY _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); texObj = get_texobj(ctx, target, GL_TRUE); if (!texObj) return; switch (pname) { case GL_TEXTURE_BORDER_COLOR: COPY_4V(params, texObj->Sampler.BorderColor.i); break; default: { GLint ip[4]; _mesa_GetTexParameteriv(target, pname, ip); params[0] = ip[0]; if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || pname == GL_TEXTURE_CROP_RECT_OES) { params[1] = ip[1]; params[2] = ip[2]; params[3] = ip[3]; } } } }