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- /* $Id: texstate.c,v 1.8 1997/10/13 23:56:01 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 2.5
- * Copyright (C) 1995-1997 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
- /*
- * $Log: texstate.c,v $
- * Revision 1.8 1997/10/13 23:56:01 brianp
- * replaced UpdateTexture() call with TexParameter()
- *
- * Revision 1.7 1997/09/29 23:28:14 brianp
- * updated for new device driver texture functions
- *
- * Revision 1.6 1997/09/27 00:14:39 brianp
- * added GL_EXT_paletted_texture extension
- *
- * Revision 1.5 1997/07/24 01:25:34 brianp
- * changed precompiled header symbol from PCH to PC_HEADER
- *
- * Revision 1.4 1997/05/28 03:26:49 brianp
- * added precompiled header (PCH) support
- *
- * Revision 1.3 1997/05/03 00:53:28 brianp
- * misc changes related to new texture object sampling function pointer
- *
- * Revision 1.2 1997/04/28 23:34:39 brianp
- * simplified gl_update_texture_state()
- *
- * Revision 1.1 1997/04/14 01:59:54 brianp
- * Initial revision
- *
- */
-
-
- #ifdef PC_HEADER
- #include "all.h"
- #else
- #include "context.h"
- #include "macros.h"
- #include "matrix.h"
- #include "texobj.h"
- #include "texstate.h"
- #include "texture.h"
- #include "types.h"
- #include "xform.h"
- #endif
-
- #define BOOL_TO_FLOAT(X) ( (GLfloat)(GLint) (X) )
- #define BOOL_TO_DOUBLE(X) ( (GLdouble)(GLint) (X) )
-
-
- /**********************************************************************/
- /* Texture Environment */
- /**********************************************************************/
-
-
-
- void gl_TexEnvfv( GLcontext *ctx,
- GLenum target, GLenum pname, const GLfloat *param )
- {
- if (INSIDE_BEGIN_END(ctx)) {
- gl_error( ctx, GL_INVALID_OPERATION, "glTexEnv" );
- return;
- }
-
- if (target!=GL_TEXTURE_ENV) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" );
- return;
- }
-
- 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:
- ctx->Texture.EnvMode = mode;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else if (pname==GL_TEXTURE_ENV_COLOR) {
- ctx->Texture.EnvColor[0] = CLAMP( param[0], 0.0, 1.0 );
- ctx->Texture.EnvColor[1] = CLAMP( param[1], 0.0, 1.0 );
- ctx->Texture.EnvColor[2] = CLAMP( param[2], 0.0, 1.0 );
- ctx->Texture.EnvColor[3] = CLAMP( param[3], 0.0, 1.0 );
- }
- 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 )
- {
- if (target!=GL_TEXTURE_ENV) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
- return;
- }
- switch (pname) {
- case GL_TEXTURE_ENV_MODE:
- *params = BOOL_TO_FLOAT( ctx->Texture.EnvMode );
- break;
- case GL_TEXTURE_ENV_COLOR:
- COPY_4V( params, ctx->Texture.EnvColor );
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
- }
- }
-
-
- void gl_GetTexEnviv( GLcontext *ctx,
- GLenum target, GLenum pname, GLint *params )
- {
- if (target!=GL_TEXTURE_ENV) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
- return;
- }
- switch (pname) {
- case GL_TEXTURE_ENV_MODE:
- *params = (GLint) ctx->Texture.EnvMode;
- break;
- case GL_TEXTURE_ENV_COLOR:
- params[0] = FLOAT_TO_INT( ctx->Texture.EnvColor[0] );
- params[1] = FLOAT_TO_INT( ctx->Texture.EnvColor[1] );
- params[2] = FLOAT_TO_INT( ctx->Texture.EnvColor[2] );
- params[3] = FLOAT_TO_INT( ctx->Texture.EnvColor[3] );
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
- }
- }
-
-
-
-
- /**********************************************************************/
- /* Texture Parameters */
- /**********************************************************************/
-
-
- void gl_TexParameterfv( GLcontext *ctx,
- GLenum target, GLenum pname, const GLfloat *params )
- {
- GLenum eparam = (GLenum) (GLint) params[0];
- struct gl_texture_object *texObj;
-
- switch (target) {
- case GL_TEXTURE_1D:
- texObj = ctx->Texture.Current1D;
- break;
- case GL_TEXTURE_2D:
- texObj = ctx->Texture.Current2D;
- break;
- case GL_TEXTURE_3D_EXT:
- texObj = ctx->Texture.Current3D;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- 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:
- 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 (eparam==GL_CLAMP || eparam==GL_REPEAT) {
- texObj->WrapS = eparam;
- }
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_WRAP_T:
- if (eparam==GL_CLAMP || eparam==GL_REPEAT) {
- texObj->WrapT = eparam;
- }
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_WRAP_R_EXT:
- if (eparam==GL_CLAMP || eparam==GL_REPEAT) {
- texObj->WrapR = eparam;
- }
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- }
- break;
- case GL_TEXTURE_BORDER_COLOR:
- texObj->BorderColor[0] = CLAMP((GLint)(params[0]*255.0), 0, 255);
- texObj->BorderColor[1] = CLAMP((GLint)(params[1]*255.0), 0, 255);
- texObj->BorderColor[2] = CLAMP((GLint)(params[2]*255.0), 0, 255);
- texObj->BorderColor[3] = CLAMP((GLint)(params[3]*255.0), 0, 255);
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" );
- return;
- }
-
- texObj->Dirty = GL_TRUE;
-
- 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 )
- {
- struct gl_texture_image *tex;
-
- if (level<0 || level>=MAX_TEXTURE_LEVELS) {
- gl_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
- return;
- }
-
- switch (target) {
- case GL_TEXTURE_1D:
- tex = ctx->Texture.Current1D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_TEXTURE_INTENSITY_SIZE:
- case GL_TEXTURE_LUMINANCE_SIZE:
- *params = 8; /* 8-bits */
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- case GL_TEXTURE_2D:
- tex = ctx->Texture.Current2D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_HEIGHT:
- *params = tex->Height;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_TEXTURE_INTENSITY_SIZE:
- case GL_TEXTURE_LUMINANCE_SIZE:
- *params = 8; /* 8-bits */
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- case GL_TEXTURE_3D_EXT:
- tex = ctx->Texture.Current3D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_HEIGHT:
- *params = tex->Height;
- break;
- case GL_TEXTURE_DEPTH_EXT:
- *params = tex->Depth;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- case GL_PROXY_TEXTURE_1D:
- tex = ctx->Texture.Proxy1D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_TEXTURE_INTENSITY_SIZE:
- case GL_TEXTURE_LUMINANCE_SIZE:
- *params = 8; /* 8-bits */
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- case GL_PROXY_TEXTURE_2D:
- tex = ctx->Texture.Proxy2D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_HEIGHT:
- *params = tex->Height;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_TEXTURE_INTENSITY_SIZE:
- case GL_TEXTURE_LUMINANCE_SIZE:
- *params = 8; /* 8-bits */
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- case GL_PROXY_TEXTURE_3D_EXT:
- tex = ctx->Texture.Proxy3D->Image[level];
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = tex->Width;
- break;
- case GL_TEXTURE_HEIGHT:
- *params = tex->Height;
- break;
- case GL_TEXTURE_DEPTH_EXT:
- *params = tex->Depth;
- break;
- case GL_TEXTURE_COMPONENTS:
- *params = tex->Format;
- break;
- case GL_TEXTURE_BORDER:
- *params = tex->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_TEXTURE_INTENSITY_SIZE:
- case GL_TEXTURE_LUMINANCE_SIZE:
- *params = 8; /* 8-bits */
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = 8;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)" );
- }
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
- }
- }
-
-
-
-
- void gl_GetTexParameterfv( GLcontext *ctx,
- GLenum target, GLenum pname, GLfloat *params )
- {
- switch (target) {
- case GL_TEXTURE_1D:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current1D->MagFilter );
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current1D->MinFilter );
- break;
- case GL_TEXTURE_WRAP_S:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current1D->WrapS );
- break;
- case GL_TEXTURE_WRAP_T:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current1D->WrapT );
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = ctx->Texture.Current1D->BorderColor[0] / 255.0f;
- params[1] = ctx->Texture.Current1D->BorderColor[1] / 255.0f;
- params[2] = ctx->Texture.Current1D->BorderColor[2] / 255.0f;
- params[3] = ctx->Texture.Current1D->BorderColor[3] / 255.0f;
- break;
- case GL_TEXTURE_RESIDENT:
- *params = BOOL_TO_FLOAT( GL_TRUE );
- break;
- case GL_TEXTURE_PRIORITY:
- *params = ctx->Texture.Current1D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
- }
- break;
- case GL_TEXTURE_2D:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current2D->MagFilter );
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current2D->MinFilter );
- break;
- case GL_TEXTURE_WRAP_S:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current2D->WrapS );
- break;
- case GL_TEXTURE_WRAP_T:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current2D->WrapT );
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = ctx->Texture.Current2D->BorderColor[0] / 255.0f;
- params[1] = ctx->Texture.Current2D->BorderColor[1] / 255.0f;
- params[2] = ctx->Texture.Current2D->BorderColor[2] / 255.0f;
- params[3] = ctx->Texture.Current2D->BorderColor[3] / 255.0f;
- break;
- case GL_TEXTURE_RESIDENT:
- *params = BOOL_TO_FLOAT( GL_TRUE );
- break;
- case GL_TEXTURE_PRIORITY:
- *params = ctx->Texture.Current2D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
- }
- break;
- case GL_TEXTURE_3D_EXT:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current3D->MagFilter );
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current3D->MinFilter );
- break;
- case GL_TEXTURE_WRAP_S:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current3D->WrapS );
- break;
- case GL_TEXTURE_WRAP_T:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current3D->WrapT );
- break;
- case GL_TEXTURE_WRAP_R_EXT:
- *params = BOOL_TO_FLOAT( ctx->Texture.Current3D->WrapR );
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = ctx->Texture.Current3D->BorderColor[0] / 255.0f;
- params[1] = ctx->Texture.Current3D->BorderColor[1] / 255.0f;
- params[2] = ctx->Texture.Current3D->BorderColor[2] / 255.0f;
- params[3] = ctx->Texture.Current3D->BorderColor[3] / 255.0f;
- break;
- case GL_TEXTURE_RESIDENT:
- *params = BOOL_TO_FLOAT( GL_TRUE );
- break;
- case GL_TEXTURE_PRIORITY:
- *params = ctx->Texture.Current3D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)" );
- }
- }
-
-
- void gl_GetTexParameteriv( GLcontext *ctx,
- GLenum target, GLenum pname, GLint *params )
- {
- switch (target) {
- case GL_TEXTURE_1D:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLint) ctx->Texture.Current1D->MagFilter;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLint) ctx->Texture.Current1D->MinFilter;
- break;
- case GL_TEXTURE_WRAP_S:
- *params = (GLint) ctx->Texture.Current1D->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = (GLint) ctx->Texture.Current1D->WrapT;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat color[4];
- color[0] = ctx->Texture.Current1D->BorderColor[0]/255.0;
- color[1] = ctx->Texture.Current1D->BorderColor[1]/255.0;
- color[2] = ctx->Texture.Current1D->BorderColor[2]/255.0;
- color[3] = ctx->Texture.Current1D->BorderColor[3]/255.0;
- 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) ctx->Texture.Current1D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
- }
- break;
- case GL_TEXTURE_2D:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLint) ctx->Texture.Current2D->MagFilter;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLint) ctx->Texture.Current2D->MinFilter;
- break;
- case GL_TEXTURE_WRAP_S:
- *params = (GLint) ctx->Texture.Current2D->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = (GLint) ctx->Texture.Current2D->WrapT;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat color[4];
- color[0] = ctx->Texture.Current2D->BorderColor[0]/255.0;
- color[1] = ctx->Texture.Current2D->BorderColor[1]/255.0;
- color[2] = ctx->Texture.Current2D->BorderColor[2]/255.0;
- color[3] = ctx->Texture.Current2D->BorderColor[3]/255.0;
- 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) ctx->Texture.Current2D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
- }
- break;
- case GL_TEXTURE_3D_EXT:
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLint) ctx->Texture.Current3D->MagFilter;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLint) ctx->Texture.Current3D->MinFilter;
- break;
- case GL_TEXTURE_WRAP_S:
- *params = (GLint) ctx->Texture.Current3D->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = (GLint) ctx->Texture.Current3D->WrapT;
- break;
- case GL_TEXTURE_WRAP_R_EXT:
- *params = (GLint) ctx->Texture.Current3D->WrapR;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat color[4];
- color[0] = ctx->Texture.Current3D->BorderColor[0]/255.0;
- color[1] = ctx->Texture.Current3D->BorderColor[1]/255.0;
- color[2] = ctx->Texture.Current3D->BorderColor[2]/255.0;
- color[3] = ctx->Texture.Current3D->BorderColor[3]/255.0;
- 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) ctx->Texture.Current3D->Priority;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)" );
- }
- }
-
-
-
-
- /**********************************************************************/
- /* Texture Coord Generation */
- /**********************************************************************/
-
-
- void gl_TexGenfv( GLcontext *ctx,
- GLenum coord, GLenum pname, const GLfloat *params )
- {
- if (INSIDE_BEGIN_END(ctx)) {
- gl_error( ctx, GL_INVALID_OPERATION, "glTexGenfv" );
- return;
- }
-
- switch( coord ) {
- case GL_S:
- if (pname==GL_TEXTURE_GEN_MODE) {
- GLenum mode = (GLenum) (GLint) *params;
- if (mode==GL_OBJECT_LINEAR ||
- mode==GL_EYE_LINEAR ||
- mode==GL_SPHERE_MAP) {
- ctx->Texture.GenModeS = mode;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- }
- else if (pname==GL_OBJECT_PLANE) {
- ctx->Texture.ObjectPlaneS[0] = params[0];
- ctx->Texture.ObjectPlaneS[1] = params[1];
- ctx->Texture.ObjectPlaneS[2] = params[2];
- ctx->Texture.ObjectPlaneS[3] = params[3];
- }
- else if (pname==GL_EYE_PLANE) {
- /* Transform plane equation by the inverse modelview matrix */
- if (ctx->NewModelViewMatrix) {
- gl_analyze_modelview_matrix(ctx);
- }
- gl_transform_vector( ctx->Texture.EyePlaneS, params,
- ctx->ModelViewInv );
- }
- 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;
- if (mode==GL_OBJECT_LINEAR ||
- mode==GL_EYE_LINEAR ||
- mode==GL_SPHERE_MAP) {
- ctx->Texture.GenModeT = mode;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- }
- else if (pname==GL_OBJECT_PLANE) {
- ctx->Texture.ObjectPlaneT[0] = params[0];
- ctx->Texture.ObjectPlaneT[1] = params[1];
- ctx->Texture.ObjectPlaneT[2] = params[2];
- ctx->Texture.ObjectPlaneT[3] = params[3];
- }
- else if (pname==GL_EYE_PLANE) {
- /* Transform plane equation by the inverse modelview matrix */
- if (ctx->NewModelViewMatrix) {
- gl_analyze_modelview_matrix(ctx);
- }
- gl_transform_vector( ctx->Texture.EyePlaneT, params,
- ctx->ModelViewInv );
- }
- 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;
- if (mode==GL_OBJECT_LINEAR ||
- mode==GL_EYE_LINEAR) {
- ctx->Texture.GenModeR = mode;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- }
- else if (pname==GL_OBJECT_PLANE) {
- ctx->Texture.ObjectPlaneR[0] = params[0];
- ctx->Texture.ObjectPlaneR[1] = params[1];
- ctx->Texture.ObjectPlaneR[2] = params[2];
- ctx->Texture.ObjectPlaneR[3] = params[3];
- }
- else if (pname==GL_EYE_PLANE) {
- /* Transform plane equation by the inverse modelview matrix */
- if (ctx->NewModelViewMatrix) {
- gl_analyze_modelview_matrix(ctx);
- }
- gl_transform_vector( ctx->Texture.EyePlaneR, params,
- ctx->ModelViewInv );
- }
- 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;
- if (mode==GL_OBJECT_LINEAR ||
- mode==GL_EYE_LINEAR) {
- ctx->Texture.GenModeQ = mode;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- }
- else if (pname==GL_OBJECT_PLANE) {
- ctx->Texture.ObjectPlaneQ[0] = params[0];
- ctx->Texture.ObjectPlaneQ[1] = params[1];
- ctx->Texture.ObjectPlaneQ[2] = params[2];
- ctx->Texture.ObjectPlaneQ[3] = params[3];
- }
- else if (pname==GL_EYE_PLANE) {
- /* Transform plane equation by the inverse modelview matrix */
- if (ctx->NewModelViewMatrix) {
- gl_analyze_modelview_matrix(ctx);
- }
- gl_transform_vector( ctx->Texture.EyePlaneQ, params,
- ctx->ModelViewInv );
- }
- 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;
- {
- int i = 0;
- i++;
- }
- }
-
-
-
- void gl_GetTexGendv( GLcontext *ctx,
- GLenum coord, GLenum pname, GLdouble *params )
- {
- if (INSIDE_BEGIN_END(ctx)) {
- gl_error( ctx, GL_INVALID_OPERATION, "glGetTexGendv" );
- return;
- }
-
- switch( coord ) {
- case GL_S:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_DOUBLE(ctx->Texture.GenModeS);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneS );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneS );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
- return;
- }
- break;
- case GL_T:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_DOUBLE(ctx->Texture.GenModeT);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneT );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneT );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
- return;
- }
- break;
- case GL_R:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_DOUBLE(ctx->Texture.GenModeR);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneR );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneR );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
- return;
- }
- break;
- case GL_Q:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_DOUBLE(ctx->Texture.GenModeQ);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneQ );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.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 )
- {
- if (INSIDE_BEGIN_END(ctx)) {
- gl_error( ctx, GL_INVALID_OPERATION, "glGetTexGenfv" );
- return;
- }
-
- switch( coord ) {
- case GL_S:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_FLOAT(ctx->Texture.GenModeS);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneS );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneS );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
- return;
- }
- break;
- case GL_T:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_FLOAT(ctx->Texture.GenModeT);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneT );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneT );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
- return;
- }
- break;
- case GL_R:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_FLOAT(ctx->Texture.GenModeR);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneR );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneR );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
- return;
- }
- break;
- case GL_Q:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = BOOL_TO_FLOAT(ctx->Texture.GenModeQ);
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneQ );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.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 )
- {
- if (INSIDE_BEGIN_END(ctx)) {
- gl_error( ctx, GL_INVALID_OPERATION, "glGetTexGeniv" );
- return;
- }
-
- switch( coord ) {
- case GL_S:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = ctx->Texture.GenModeS;
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneS );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneS );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
- return;
- }
- break;
- case GL_T:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = ctx->Texture.GenModeT;
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneT );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneT );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
- return;
- }
- break;
- case GL_R:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = ctx->Texture.GenModeR;
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneR );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneR );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
- return;
- }
- break;
- case GL_Q:
- if (pname==GL_TEXTURE_GEN_MODE) {
- params[0] = ctx->Texture.GenModeQ;
- }
- else if (pname==GL_OBJECT_PLANE) {
- COPY_4V( params, ctx->Texture.ObjectPlaneQ );
- }
- else if (pname==GL_EYE_PLANE) {
- COPY_4V( params, ctx->Texture.EyePlaneQ );
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
- return;
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" );
- return;
- }
- }
-
-
-
- /*
- * This is called by gl_update_state() if the NEW_TEXTURING bit in
- * ctx->NewState is set.
- */
- void gl_update_texture_state( GLcontext *ctx )
- {
- struct gl_texture_object *t;
-
- if (ctx->Texture.Enabled & TEXTURE_3D)
- ctx->Texture.Current = ctx->Texture.Current3D;
- else if (ctx->Texture.Enabled & TEXTURE_2D)
- ctx->Texture.Current = ctx->Texture.Current2D;
- else if (ctx->Texture.Enabled & TEXTURE_1D)
- ctx->Texture.Current = ctx->Texture.Current1D;
- else
- ctx->Texture.Current = NULL;
-
- for (t = ctx->Shared->TexObjectList; t; t = t->Next) {
- if (t->Dirty) {
- gl_test_texture_object_completeness(t);
- gl_set_texture_sampler(t);
- t->Dirty = GL_FALSE;
- }
- }
- }
-