| /* $Id: texstate.c,v 1.5 1999/11/11 01:22:28 brianp Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.3 |
| * |
| * Copyright (C) 1999 Brian Paul 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. |
| */ |
| |
| |
| #ifdef PC_HEADER |
| #include "all.h" |
| #else |
| #include "glheader.h" |
| #include "context.h" |
| #include "enums.h" |
| #include "macros.h" |
| #include "matrix.h" |
| #include "texobj.h" |
| #include "texstate.h" |
| #include "texture.h" |
| #include "types.h" |
| #include "xform.h" |
| #endif |
| |
| |
| |
| #ifdef SPECIALCAST |
| /* Needed for an Amiga compiler */ |
| #define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X)) |
| #define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X)) |
| #else |
| /* all other compilers */ |
| #define ENUM_TO_FLOAT(X) ((GLfloat)(X)) |
| #define ENUM_TO_DOUBLE(X) ((GLdouble)(X)) |
| #endif |
| |
| |
| |
| |
| /**********************************************************************/ |
| /* Texture Environment */ |
| /**********************************************************************/ |
| |
| |
| void |
| _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexEnv"); |
| |
| if (target!=GL_TEXTURE_ENV) { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" ); |
| return; |
| } |
| |
| if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) |
| fprintf(stderr, "glTexEnv %s %s %.1f(%s) ...\n", |
| gl_lookup_enum_by_nr(target), |
| gl_lookup_enum_by_nr(pname), |
| *param, |
| gl_lookup_enum_by_nr((GLenum) (GLint) *param)); |
| |
| |
| if (pname==GL_TEXTURE_ENV_MODE) { |
| GLenum mode = (GLenum) (GLint) *param; |
| switch (mode) { |
| case GL_MODULATE: |
| case GL_BLEND: |
| case GL_DECAL: |
| case GL_REPLACE: |
| /* A small optimization for drivers */ |
| if (texUnit->EnvMode == mode) |
| return; |
| |
| if (MESA_VERBOSE & (VERBOSE_STATE|VERBOSE_TEXTURE)) |
| fprintf(stderr, "glTexEnv: old mode %s, new mode %s\n", |
| gl_lookup_enum_by_nr(texUnit->EnvMode), |
| gl_lookup_enum_by_nr(mode)); |
| |
| texUnit->EnvMode = mode; |
| ctx->NewState |= NEW_TEXTURE_ENV; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" ); |
| return; |
| } |
| } |
| else if (pname==GL_TEXTURE_ENV_COLOR) { |
| texUnit->EnvColor[0] = CLAMP( param[0], 0.0F, 1.0F ); |
| texUnit->EnvColor[1] = CLAMP( param[1], 0.0F, 1.0F ); |
| texUnit->EnvColor[2] = CLAMP( param[2], 0.0F, 1.0F ); |
| texUnit->EnvColor[3] = CLAMP( param[3], 0.0F, 1.0F ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" ); |
| return; |
| } |
| |
| /* Tell device driver about the new texture environment */ |
| if (ctx->Driver.TexEnv) { |
| (*ctx->Driver.TexEnv)( ctx, pname, param ); |
| } |
| } |
| |
| |
| void |
| _mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param ) |
| { |
| _mesa_TexEnvfv( target, pname, ¶m ); |
| } |
| |
| |
| |
| void |
| _mesa_TexEnvi( GLenum target, GLenum pname, GLint param ) |
| { |
| GLfloat p[4]; |
| p[0] = (GLfloat) param; |
| p[1] = p[2] = p[3] = 0.0; |
| _mesa_TexEnvfv( target, pname, p ); |
| } |
| |
| |
| void |
| _mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param ) |
| { |
| GLfloat p[4]; |
| p[0] = INT_TO_FLOAT( param[0] ); |
| p[1] = INT_TO_FLOAT( param[1] ); |
| p[2] = INT_TO_FLOAT( param[2] ); |
| p[3] = INT_TO_FLOAT( param[3] ); |
| _mesa_TexEnvfv( target, pname, p ); |
| } |
| |
| |
| void |
| _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| if (target!=GL_TEXTURE_ENV) { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" ); |
| return; |
| } |
| switch (pname) { |
| case GL_TEXTURE_ENV_MODE: |
| *params = ENUM_TO_FLOAT(texUnit->EnvMode); |
| break; |
| case GL_TEXTURE_ENV_COLOR: |
| COPY_4FV( params, texUnit->EnvColor ); |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" ); |
| } |
| } |
| |
| |
| void |
| _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| if (target!=GL_TEXTURE_ENV) { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" ); |
| return; |
| } |
| switch (pname) { |
| case GL_TEXTURE_ENV_MODE: |
| *params = (GLint) texUnit->EnvMode; |
| break; |
| case GL_TEXTURE_ENV_COLOR: |
| params[0] = FLOAT_TO_INT( texUnit->EnvColor[0] ); |
| params[1] = FLOAT_TO_INT( texUnit->EnvColor[1] ); |
| params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] ); |
| params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] ); |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" ); |
| } |
| } |
| |
| |
| |
| |
| /**********************************************************************/ |
| /* Texture Parameters */ |
| /**********************************************************************/ |
| |
| |
| void |
| _mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ) |
| { |
| _mesa_TexParameterfv(target, pname, ¶m); |
| } |
| |
| |
| void |
| _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| GLenum eparam = (GLenum) (GLint) params[0]; |
| struct gl_texture_object *texObj; |
| |
| if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) |
| fprintf(stderr, "texPARAM %s %s %d...\n", |
| gl_lookup_enum_by_nr(target), |
| gl_lookup_enum_by_nr(pname), |
| eparam); |
| |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| texObj = texUnit->CurrentD[1]; |
| break; |
| case GL_TEXTURE_2D: |
| texObj = texUnit->CurrentD[2]; |
| break; |
| case GL_TEXTURE_3D_EXT: |
| texObj = texUnit->CurrentD[3]; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); |
| return; |
| } |
| |
| switch (pname) { |
| case GL_TEXTURE_MIN_FILTER: |
| /* A small optimization */ |
| if (texObj->MinFilter == eparam) |
| return; |
| |
| if (eparam==GL_NEAREST || eparam==GL_LINEAR |
| || eparam==GL_NEAREST_MIPMAP_NEAREST |
| || eparam==GL_LINEAR_MIPMAP_NEAREST |
| || eparam==GL_NEAREST_MIPMAP_LINEAR |
| || eparam==GL_LINEAR_MIPMAP_LINEAR) { |
| texObj->MinFilter = eparam; |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| break; |
| case GL_TEXTURE_MAG_FILTER: |
| /* A small optimization */ |
| if (texObj->MagFilter == eparam) |
| return; |
| |
| if (eparam==GL_NEAREST || eparam==GL_LINEAR) { |
| texObj->MagFilter = eparam; |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| break; |
| case GL_TEXTURE_WRAP_S: |
| if (texObj->WrapS == eparam) |
| return; |
| |
| if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { |
| texObj->WrapS = eparam; |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| break; |
| case GL_TEXTURE_WRAP_T: |
| if (texObj->WrapT == eparam) |
| return; |
| |
| if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { |
| texObj->WrapT = eparam; |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| break; |
| case GL_TEXTURE_WRAP_R_EXT: |
| if (texObj->WrapR == eparam) |
| return; |
| |
| if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { |
| texObj->WrapR = eparam; |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| } |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| texObj->BorderColor[0] = (GLubyte) CLAMP((GLint)(params[0]*255.0), 0, 255); |
| texObj->BorderColor[1] = (GLubyte) CLAMP((GLint)(params[1]*255.0), 0, 255); |
| texObj->BorderColor[2] = (GLubyte) CLAMP((GLint)(params[2]*255.0), 0, 255); |
| texObj->BorderColor[3] = (GLubyte) CLAMP((GLint)(params[3]*255.0), 0, 255); |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| texObj->MinLod = params[0]; |
| ctx->NewState |= NEW_TEXTURING; |
| break; |
| case GL_TEXTURE_MAX_LOD: |
| texObj->MaxLod = params[0]; |
| ctx->NewState |= NEW_TEXTURING; |
| break; |
| case GL_TEXTURE_BASE_LEVEL: |
| if (params[0] < 0.0) { |
| gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| texObj->BaseLevel = (GLint) params[0]; |
| ctx->NewState |= NEW_TEXTURING; |
| break; |
| case GL_TEXTURE_MAX_LEVEL: |
| if (params[0] < 0.0) { |
| gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
| return; |
| } |
| texObj->MaxLevel = (GLint) params[0]; |
| ctx->NewState |= NEW_TEXTURING; |
| break; |
| case GL_TEXTURE_PRIORITY: |
| /* (keithh@netcomuk.co.uk) */ |
| texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" ); |
| return; |
| } |
| |
| gl_put_texobj_on_dirty_list( ctx, texObj ); |
| |
| if (ctx->Driver.TexParameter) { |
| (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); |
| } |
| } |
| |
| |
| void |
| _mesa_TexParameteri( GLenum target, GLenum pname, const GLint param ) |
| { |
| GLfloat fparam[4]; |
| fparam[0] = (GLfloat) param; |
| fparam[1] = fparam[2] = fparam[3] = 0.0; |
| _mesa_TexParameterfv(target, pname, fparam); |
| } |
| |
| void |
| _mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) |
| { |
| GLfloat fparam[4]; |
| fparam[0] = (GLfloat) params[0]; |
| fparam[1] = fparam[2] = fparam[3] = 0.0; |
| _mesa_TexParameterfv(target, pname, fparam); |
| } |
| |
| |
| void |
| _mesa_GetTexLevelParameterfv( GLenum target, GLint level, |
| GLenum pname, GLfloat *params ) |
| { |
| GLint iparam; |
| _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); |
| *params = (GLfloat) iparam; |
| } |
| |
| |
| |
| void |
| _mesa_GetTexLevelParameteriv( GLenum target, GLint level, |
| GLenum pname, GLint *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| const struct gl_texture_image *img = NULL; |
| GLuint dimensions; |
| |
| if (level < 0 || level >= ctx->Const.MaxTextureLevels) { |
| gl_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); |
| return; |
| } |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| img = texUnit->CurrentD[1]->Image[level]; |
| dimensions = 1; |
| break; |
| case GL_TEXTURE_2D: |
| img = texUnit->CurrentD[2]->Image[level]; |
| dimensions = 2; |
| break; |
| case GL_TEXTURE_3D: |
| img = texUnit->CurrentD[3]->Image[level]; |
| dimensions = 3; |
| break; |
| case GL_PROXY_TEXTURE_1D: |
| img = ctx->Texture.Proxy1D->Image[level]; |
| dimensions = 1; |
| break; |
| case GL_PROXY_TEXTURE_2D: |
| img = ctx->Texture.Proxy2D->Image[level]; |
| dimensions = 2; |
| break; |
| case GL_PROXY_TEXTURE_3D: |
| img = ctx->Texture.Proxy3D->Image[level]; |
| dimensions = 3; |
| break; |
| default: |
| gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)"); |
| return; |
| } |
| |
| if (!img) { |
| if (pname == GL_TEXTURE_COMPONENTS) |
| *params = 1; |
| else |
| *params = 0; |
| return; |
| } |
| |
| switch (pname) { |
| case GL_TEXTURE_WIDTH: |
| *params = img->Width; |
| return; |
| case GL_TEXTURE_HEIGHT: |
| if (dimensions > 1) { |
| *params = img->Height; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, |
| "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_HEIGHT)" ); |
| } |
| return; |
| case GL_TEXTURE_DEPTH: |
| if (dimensions > 2) { |
| *params = img->Depth; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, |
| "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_DEPTH)" ); |
| } |
| return; |
| case GL_TEXTURE_COMPONENTS: |
| *params = img->IntFormat; |
| return; |
| case GL_TEXTURE_BORDER: |
| *params = img->Border; |
| return; |
| case GL_TEXTURE_RED_SIZE: |
| *params = img->RedBits; |
| return; |
| case GL_TEXTURE_GREEN_SIZE: |
| *params = img->GreenBits; |
| return; |
| case GL_TEXTURE_BLUE_SIZE: |
| *params = img->BlueBits; |
| return; |
| case GL_TEXTURE_ALPHA_SIZE: |
| *params = img->AlphaBits; |
| return; |
| case GL_TEXTURE_INTENSITY_SIZE: |
| *params = img->IntensityBits; |
| return; |
| case GL_TEXTURE_LUMINANCE_SIZE: |
| *params = img->LuminanceBits; |
| return; |
| case GL_TEXTURE_INDEX_SIZE_EXT: |
| *params = img->IndexBits; |
| return; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, |
| "glGetTexLevelParameter[if]v(pname)" ); |
| } |
| } |
| |
| |
| |
| void |
| _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_object *obj; |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| obj = texUnit->CurrentD[1]; |
| break; |
| case GL_TEXTURE_2D: |
| obj = texUnit->CurrentD[2]; |
| break; |
| case GL_TEXTURE_3D_EXT: |
| obj = texUnit->CurrentD[3]; |
| break; |
| default: |
| gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); |
| return; |
| } |
| |
| switch (pname) { |
| case GL_TEXTURE_MAG_FILTER: |
| *params = ENUM_TO_FLOAT(obj->MagFilter); |
| break; |
| case GL_TEXTURE_MIN_FILTER: |
| *params = ENUM_TO_FLOAT(obj->MinFilter); |
| break; |
| case GL_TEXTURE_WRAP_S: |
| *params = ENUM_TO_FLOAT(obj->WrapS); |
| break; |
| case GL_TEXTURE_WRAP_T: |
| *params = ENUM_TO_FLOAT(obj->WrapT); |
| break; |
| case GL_TEXTURE_WRAP_R_EXT: |
| *params = ENUM_TO_FLOAT(obj->WrapR); |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| params[0] = obj->BorderColor[0] / 255.0F; |
| params[1] = obj->BorderColor[1] / 255.0F; |
| params[2] = obj->BorderColor[2] / 255.0F; |
| params[3] = obj->BorderColor[3] / 255.0F; |
| break; |
| case GL_TEXTURE_RESIDENT: |
| *params = ENUM_TO_FLOAT(GL_TRUE); |
| break; |
| case GL_TEXTURE_PRIORITY: |
| *params = obj->Priority; |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| *params = obj->MinLod; |
| break; |
| case GL_TEXTURE_MAX_LOD: |
| *params = obj->MaxLod; |
| break; |
| case GL_TEXTURE_BASE_LEVEL: |
| *params = (GLfloat) obj->BaseLevel; |
| break; |
| case GL_TEXTURE_MAX_LEVEL: |
| *params = (GLfloat) obj->MaxLevel; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" ); |
| } |
| } |
| |
| |
| void |
| _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| struct gl_texture_object *obj; |
| |
| switch (target) { |
| case GL_TEXTURE_1D: |
| obj = texUnit->CurrentD[1]; |
| break; |
| case GL_TEXTURE_2D: |
| obj = texUnit->CurrentD[2]; |
| break; |
| case GL_TEXTURE_3D_EXT: |
| obj = texUnit->CurrentD[3]; |
| break; |
| default: |
| gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); |
| return; |
| } |
| |
| switch (pname) { |
| case GL_TEXTURE_MAG_FILTER: |
| *params = (GLint) obj->MagFilter; |
| break; |
| case GL_TEXTURE_MIN_FILTER: |
| *params = (GLint) obj->MinFilter; |
| break; |
| case GL_TEXTURE_WRAP_S: |
| *params = (GLint) obj->WrapS; |
| break; |
| case GL_TEXTURE_WRAP_T: |
| *params = (GLint) obj->WrapT; |
| break; |
| case GL_TEXTURE_WRAP_R_EXT: |
| *params = (GLint) obj->WrapR; |
| break; |
| case GL_TEXTURE_BORDER_COLOR: |
| { |
| GLfloat color[4]; |
| color[0] = obj->BorderColor[0] / 255.0F; |
| color[1] = obj->BorderColor[1] / 255.0F; |
| color[2] = obj->BorderColor[2] / 255.0F; |
| color[3] = obj->BorderColor[3] / 255.0F; |
| params[0] = FLOAT_TO_INT( color[0] ); |
| params[1] = FLOAT_TO_INT( color[1] ); |
| params[2] = FLOAT_TO_INT( color[2] ); |
| params[3] = FLOAT_TO_INT( color[3] ); |
| } |
| break; |
| case GL_TEXTURE_RESIDENT: |
| *params = (GLint) GL_TRUE; |
| break; |
| case GL_TEXTURE_PRIORITY: |
| *params = (GLint) obj->Priority; |
| break; |
| case GL_TEXTURE_MIN_LOD: |
| *params = (GLint) obj->MinLod; |
| break; |
| case GL_TEXTURE_MAX_LOD: |
| *params = (GLint) obj->MaxLod; |
| break; |
| case GL_TEXTURE_BASE_LEVEL: |
| *params = obj->BaseLevel; |
| break; |
| case GL_TEXTURE_MAX_LEVEL: |
| *params = obj->MaxLevel; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" ); |
| } |
| } |
| |
| |
| |
| |
| /**********************************************************************/ |
| /* Texture Coord Generation */ |
| /**********************************************************************/ |
| |
| |
| void |
| _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLuint tUnit = ctx->Texture.CurrentTransformUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexGenfv"); |
| |
| if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) |
| fprintf(stderr, "texGEN %s %s %x...\n", |
| gl_lookup_enum_by_nr(coord), |
| gl_lookup_enum_by_nr(pname), |
| *(int *)params); |
| |
| switch (coord) { |
| case GL_S: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| GLenum mode = (GLenum) (GLint) *params; |
| switch (mode) { |
| case GL_OBJECT_LINEAR: |
| texUnit->GenModeS = mode; |
| texUnit->GenBitS = TEXGEN_OBJ_LINEAR; |
| break; |
| case GL_EYE_LINEAR: |
| texUnit->GenModeS = mode; |
| texUnit->GenBitS = TEXGEN_EYE_LINEAR; |
| break; |
| case GL_REFLECTION_MAP_NV: |
| texUnit->GenModeS = mode; |
| texUnit->GenBitS = TEXGEN_REFLECTION_MAP_NV; |
| break; |
| case GL_NORMAL_MAP_NV: |
| texUnit->GenModeS = mode; |
| texUnit->GenBitS = TEXGEN_NORMAL_MAP_NV; |
| break; |
| case GL_SPHERE_MAP: |
| texUnit->GenModeS = mode; |
| texUnit->GenBitS = TEXGEN_SPHERE_MAP; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); |
| return; |
| } |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| texUnit->ObjectPlaneS[0] = params[0]; |
| texUnit->ObjectPlaneS[1] = params[1]; |
| texUnit->ObjectPlaneS[2] = params[2]; |
| texUnit->ObjectPlaneS[3] = params[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| /* Transform plane equation by the inverse modelview matrix */ |
| if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { |
| gl_matrix_analyze( &ctx->ModelView ); |
| } |
| gl_transform_vector( texUnit->EyePlaneS, params, |
| ctx->ModelView.inv ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_T: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| GLenum mode = (GLenum) (GLint) *params; |
| switch(mode) { |
| case GL_OBJECT_LINEAR: |
| texUnit->GenModeT = GL_OBJECT_LINEAR; |
| texUnit->GenBitT = TEXGEN_OBJ_LINEAR; |
| break; |
| case GL_EYE_LINEAR: |
| texUnit->GenModeT = GL_EYE_LINEAR; |
| texUnit->GenBitT = TEXGEN_EYE_LINEAR; |
| break; |
| case GL_REFLECTION_MAP_NV: |
| texUnit->GenModeT = GL_REFLECTION_MAP_NV; |
| texUnit->GenBitT = TEXGEN_REFLECTION_MAP_NV; |
| break; |
| case GL_NORMAL_MAP_NV: |
| texUnit->GenModeT = GL_NORMAL_MAP_NV; |
| texUnit->GenBitT = TEXGEN_NORMAL_MAP_NV; |
| break; |
| case GL_SPHERE_MAP: |
| texUnit->GenModeT = GL_SPHERE_MAP; |
| texUnit->GenBitT = TEXGEN_SPHERE_MAP; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); |
| return; |
| } |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| texUnit->ObjectPlaneT[0] = params[0]; |
| texUnit->ObjectPlaneT[1] = params[1]; |
| texUnit->ObjectPlaneT[2] = params[2]; |
| texUnit->ObjectPlaneT[3] = params[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| /* Transform plane equation by the inverse modelview matrix */ |
| if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { |
| gl_matrix_analyze( &ctx->ModelView ); |
| } |
| gl_transform_vector( texUnit->EyePlaneT, params, |
| ctx->ModelView.inv ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_R: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| GLenum mode = (GLenum) (GLint) *params; |
| switch (mode) { |
| case GL_OBJECT_LINEAR: |
| texUnit->GenModeR = GL_OBJECT_LINEAR; |
| texUnit->GenBitR = TEXGEN_OBJ_LINEAR; |
| break; |
| case GL_REFLECTION_MAP_NV: |
| texUnit->GenModeR = GL_REFLECTION_MAP_NV; |
| texUnit->GenBitR = TEXGEN_REFLECTION_MAP_NV; |
| break; |
| case GL_NORMAL_MAP_NV: |
| texUnit->GenModeR = GL_NORMAL_MAP_NV; |
| texUnit->GenBitR = TEXGEN_NORMAL_MAP_NV; |
| break; |
| case GL_EYE_LINEAR: |
| texUnit->GenModeR = GL_EYE_LINEAR; |
| texUnit->GenBitR = TEXGEN_EYE_LINEAR; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); |
| return; |
| } |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| texUnit->ObjectPlaneR[0] = params[0]; |
| texUnit->ObjectPlaneR[1] = params[1]; |
| texUnit->ObjectPlaneR[2] = params[2]; |
| texUnit->ObjectPlaneR[3] = params[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| /* Transform plane equation by the inverse modelview matrix */ |
| if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { |
| gl_matrix_analyze( &ctx->ModelView ); |
| } |
| gl_transform_vector( texUnit->EyePlaneR, params, |
| ctx->ModelView.inv ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_Q: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| GLenum mode = (GLenum) (GLint) *params; |
| switch (mode) { |
| case GL_OBJECT_LINEAR: |
| texUnit->GenModeQ = GL_OBJECT_LINEAR; |
| texUnit->GenBitQ = TEXGEN_OBJ_LINEAR; |
| break; |
| case GL_EYE_LINEAR: |
| texUnit->GenModeQ = GL_EYE_LINEAR; |
| texUnit->GenBitQ = TEXGEN_EYE_LINEAR; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); |
| return; |
| } |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| texUnit->ObjectPlaneQ[0] = params[0]; |
| texUnit->ObjectPlaneQ[1] = params[1]; |
| texUnit->ObjectPlaneQ[2] = params[2]; |
| texUnit->ObjectPlaneQ[3] = params[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| /* Transform plane equation by the inverse modelview matrix */ |
| if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { |
| gl_matrix_analyze( &ctx->ModelView ); |
| } |
| gl_transform_vector( texUnit->EyePlaneQ, params, |
| ctx->ModelView.inv ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" ); |
| return; |
| } |
| |
| ctx->NewState |= NEW_TEXTURING; |
| } |
| |
| |
| void |
| _mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params ) |
| { |
| GLfloat p[4]; |
| p[0] = params[0]; |
| p[1] = params[1]; |
| p[2] = params[2]; |
| p[3] = params[3]; |
| _mesa_TexGenfv(coord, pname, p); |
| } |
| |
| |
| void |
| _mesa_TexGend(GLenum coord, GLenum pname, GLdouble param ) |
| { |
| GLfloat p = (GLfloat) param; |
| _mesa_TexGenfv( coord, pname, &p ); |
| } |
| |
| |
| void |
| _mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params ) |
| { |
| GLfloat p[4]; |
| p[0] = params[0]; |
| p[1] = params[1]; |
| p[2] = params[2]; |
| p[3] = params[3]; |
| _mesa_TexGenfv( coord, pname, p ); |
| } |
| |
| |
| void |
| _mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param ) |
| { |
| _mesa_TexGenfv(coord, pname, ¶m); |
| } |
| |
| |
| void |
| _mesa_TexGeni( GLenum coord, GLenum pname, GLint param ) |
| { |
| _mesa_TexGeniv( coord, pname, ¶m ); |
| } |
| |
| |
| |
| void |
| _mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLuint tUnit = ctx->Texture.CurrentTransformUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGendv"); |
| |
| switch( coord ) { |
| case GL_S: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_DOUBLE(texUnit->GenModeS); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneS ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneS ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); |
| return; |
| } |
| break; |
| case GL_T: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_DOUBLE(texUnit->GenModeT); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneT ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneT ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); |
| return; |
| } |
| break; |
| case GL_R: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_DOUBLE(texUnit->GenModeR); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneR ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneR ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); |
| return; |
| } |
| break; |
| case GL_Q: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_DOUBLE(texUnit->GenModeQ); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneQ ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneQ ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); |
| return; |
| } |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" ); |
| return; |
| } |
| } |
| |
| |
| |
| void |
| _mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLuint tUnit = ctx->Texture.CurrentTransformUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGenfv"); |
| |
| switch( coord ) { |
| case GL_S: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_FLOAT(texUnit->GenModeS); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneS ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneS ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_T: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_FLOAT(texUnit->GenModeT); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneT ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneT ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_R: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_FLOAT(texUnit->GenModeR); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneR ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneR ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| case GL_Q: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = ENUM_TO_FLOAT(texUnit->GenModeQ); |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| COPY_4V( params, texUnit->ObjectPlaneQ ); |
| } |
| else if (pname==GL_EYE_PLANE) { |
| COPY_4V( params, texUnit->EyePlaneQ ); |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); |
| return; |
| } |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" ); |
| return; |
| } |
| } |
| |
| |
| |
| void |
| _mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLuint tUnit = ctx->Texture.CurrentTransformUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGeniv"); |
| |
| switch( coord ) { |
| case GL_S: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = texUnit->GenModeS; |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| params[0] = (GLint) texUnit->ObjectPlaneS[0]; |
| params[1] = (GLint) texUnit->ObjectPlaneS[1]; |
| params[2] = (GLint) texUnit->ObjectPlaneS[2]; |
| params[3] = (GLint) texUnit->ObjectPlaneS[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| params[0] = (GLint) texUnit->EyePlaneS[0]; |
| params[1] = (GLint) texUnit->EyePlaneS[1]; |
| params[2] = (GLint) texUnit->EyePlaneS[2]; |
| params[3] = (GLint) texUnit->EyePlaneS[3]; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); |
| return; |
| } |
| break; |
| case GL_T: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = texUnit->GenModeT; |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| params[0] = (GLint) texUnit->ObjectPlaneT[0]; |
| params[1] = (GLint) texUnit->ObjectPlaneT[1]; |
| params[2] = (GLint) texUnit->ObjectPlaneT[2]; |
| params[3] = (GLint) texUnit->ObjectPlaneT[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| params[0] = (GLint) texUnit->EyePlaneT[0]; |
| params[1] = (GLint) texUnit->EyePlaneT[1]; |
| params[2] = (GLint) texUnit->EyePlaneT[2]; |
| params[3] = (GLint) texUnit->EyePlaneT[3]; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); |
| return; |
| } |
| break; |
| case GL_R: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = texUnit->GenModeR; |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| params[0] = (GLint) texUnit->ObjectPlaneR[0]; |
| params[1] = (GLint) texUnit->ObjectPlaneR[1]; |
| params[2] = (GLint) texUnit->ObjectPlaneR[2]; |
| params[3] = (GLint) texUnit->ObjectPlaneR[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| params[0] = (GLint) texUnit->EyePlaneR[0]; |
| params[1] = (GLint) texUnit->EyePlaneR[1]; |
| params[2] = (GLint) texUnit->EyePlaneR[2]; |
| params[3] = (GLint) texUnit->EyePlaneR[3]; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); |
| return; |
| } |
| break; |
| case GL_Q: |
| if (pname==GL_TEXTURE_GEN_MODE) { |
| params[0] = texUnit->GenModeQ; |
| } |
| else if (pname==GL_OBJECT_PLANE) { |
| params[0] = (GLint) texUnit->ObjectPlaneQ[0]; |
| params[1] = (GLint) texUnit->ObjectPlaneQ[1]; |
| params[2] = (GLint) texUnit->ObjectPlaneQ[2]; |
| params[3] = (GLint) texUnit->ObjectPlaneQ[3]; |
| } |
| else if (pname==GL_EYE_PLANE) { |
| params[0] = (GLint) texUnit->EyePlaneQ[0]; |
| params[1] = (GLint) texUnit->EyePlaneQ[1]; |
| params[2] = (GLint) texUnit->EyePlaneQ[2]; |
| params[3] = (GLint) texUnit->EyePlaneQ[3]; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); |
| return; |
| } |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" ); |
| return; |
| } |
| } |
| |
| |
| /* GL_ARB_multitexture */ |
| void |
| _mesa_ActiveTextureARB( GLenum target ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint maxUnits = ctx->Const.MaxTextureUnits; |
| |
| ASSERT_OUTSIDE_BEGIN_END( ctx, "glActiveTextureARB" ); |
| |
| if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) |
| fprintf(stderr, "glActiveTexture %s\n", |
| gl_lookup_enum_by_nr(target)); |
| |
| if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) { |
| GLint texUnit = target - GL_TEXTURE0_ARB; |
| ctx->Texture.CurrentUnit = texUnit; |
| ctx->Texture.CurrentTransformUnit = texUnit; |
| if (ctx->Driver.ActiveTexture) { |
| (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit ); |
| } |
| } |
| else { |
| gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)"); |
| } |
| } |
| |
| |
| /* GL_ARB_multitexture */ |
| void |
| _mesa_ClientActiveTextureARB( GLenum target ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint maxUnits = ctx->Const.MaxTextureUnits; |
| |
| ASSERT_OUTSIDE_BEGIN_END( ctx, "glClientActiveTextureARB" ); |
| |
| if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) { |
| GLint texUnit = target - GL_TEXTURE0_ARB; |
| ctx->Array.ActiveTexture = texUnit; |
| } |
| else { |
| gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)"); |
| } |
| } |
| |
| |
| |
| /* |
| * Put the given texture object into the list of dirty texture objects. |
| * When a texture object is dirty we have to reexamine it for completeness |
| * and perhaps choose a different texture sampling function. |
| */ |
| void gl_put_texobj_on_dirty_list( GLcontext *ctx, struct gl_texture_object *t ) |
| { |
| ASSERT(ctx); |
| ASSERT(t); |
| /* Only insert if not already in the dirty list. |
| * The Dirty flag is only set iff the texture object is in the dirty list. |
| */ |
| if (!t->Dirty) { |
| ASSERT(t->NextDirty == NULL); |
| t->Dirty = GL_TRUE; |
| t->NextDirty = ctx->Shared->DirtyTexObjList; |
| ctx->Shared->DirtyTexObjList = t; |
| } |
| #ifdef DEBUG |
| else { |
| /* make sure t is in the list */ |
| struct gl_texture_object *obj = ctx->Shared->DirtyTexObjList; |
| while (obj) { |
| if (obj == t) { |
| return; |
| } |
| obj = obj->NextDirty; |
| } |
| gl_problem(ctx, "Error in gl_put_texobj_on_dirty_list"); |
| } |
| #endif |
| } |
| |
| |
| /* |
| * Remove a texture object from the dirty texture list. |
| */ |
| void gl_remove_texobj_from_dirty_list( struct gl_shared_state *shared, |
| struct gl_texture_object *tObj ) |
| { |
| struct gl_texture_object *t, *prev = NULL; |
| ASSERT(shared); |
| ASSERT(tObj); |
| for (t = shared->DirtyTexObjList; t; t = t->NextDirty) { |
| if (t == tObj) { |
| if (prev) { |
| prev->NextDirty = t->NextDirty; |
| } |
| else { |
| shared->DirtyTexObjList = t->NextDirty; |
| } |
| return; |
| } |
| prev = t; |
| } |
| } |
| |
| |
| /* |
| * This is called by gl_update_state() if the NEW_TEXTURING bit in |
| * ctx->NewState is unit. |
| */ |
| void gl_update_dirty_texobjs( GLcontext *ctx ) |
| { |
| struct gl_texture_object *t, *next; |
| for (t = ctx->Shared->DirtyTexObjList; t; t = next) { |
| next = t->NextDirty; |
| gl_test_texture_object_completeness(ctx, t); |
| gl_set_texture_sampler(t); |
| t->NextDirty = NULL; |
| t->Dirty = GL_FALSE; |
| } |
| ctx->Shared->DirtyTexObjList = NULL; |
| } |