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- /* $Id: texstate.c,v 1.4.2.3 1999/12/21 17:22:39 keithw Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.1
- *
- * 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
- #ifndef XFree86Server
- #include <assert.h>
- #include <stdio.h>
- #else
- #include "GL/xf86glx.h"
- #endif
- #include "context.h"
- #include "enums.h"
- #include "extensions.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 gl_TexEnvfv( GLcontext *ctx,
- GLenum target, GLenum pname, const GLfloat *param )
- {
- 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_ADD:
- if (!ctx->Texture.ExtAddEnv) {
- if (gl_extension_is_enabled(ctx, "GL_EXT_texture_env_add"))
- ctx->Texture.ExtAddEnv = 1;
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" );
- return;
- }
- }
- /* FALLTHROUGH */
- case GL_MODULATE:
- case GL_BLEND:
- case GL_DECAL:
- case GL_REPLACE:
- if (texUnit->EnvMode == mode)
- return; /* no change */
-
- 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 gl_GetTexEnvfv( GLcontext *ctx,
- GLenum target, GLenum pname, GLfloat *params )
- {
- 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 gl_GetTexEnviv( GLcontext *ctx,
- GLenum target, GLenum pname, GLint *params )
- {
- 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 gl_TexParameterfv( GLcontext *ctx,
- GLenum target, GLenum pname, const GLfloat *params )
- {
- 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 gl_GetTexLevelParameterfv( GLcontext *ctx, GLenum target, GLint level,
- GLenum pname, GLfloat *params )
- {
- GLint iparam;
- gl_GetTexLevelParameteriv( ctx, target, level, pname, &iparam );
- *params = (GLfloat) iparam;
- }
-
-
-
- void gl_GetTexLevelParameteriv( GLcontext *ctx, GLenum target, GLint level,
- GLenum pname, GLint *params )
- {
- 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 gl_GetTexParameterfv( GLcontext *ctx,
- GLenum target, GLenum pname, GLfloat *params )
- {
- 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 gl_GetTexParameteriv( GLcontext *ctx,
- GLenum target, GLenum pname, GLint *params )
- {
- 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 gl_TexGenfv( GLcontext *ctx,
- GLenum coord, GLenum pname, const GLfloat *params )
- {
- 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 gl_GetTexGendv( GLcontext *ctx,
- GLenum coord, GLenum pname, GLdouble *params )
- {
- 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 gl_GetTexGenfv( GLcontext *ctx,
- GLenum coord, GLenum pname, GLfloat *params )
- {
- 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 gl_GetTexGeniv( GLcontext *ctx,
- GLenum coord, GLenum pname, GLint *params )
- {
- 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] = (GLint) 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] = (GLint) 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] = (GLint) 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 gl_ActiveTexture( GLcontext *ctx, GLenum target )
- {
- 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 gl_ClientActiveTexture( GLcontext *ctx, GLenum target )
- {
- 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;
- }
-