svn merge ^/branches/released .

1 files changed, 401 insertions, 400 deletions

diff --git a/mesalib/src/mesa/main/texgen.c b/mesalib/src/mesa/main/texgen.c
index 108ea4cd4..10eaa89ad 100644
--- a/mesalib/src/mesa/main/texgen.c
+++ b/mesalib/src/mesa/main/texgen.c
@@ -1,400 +1,401 @@
-/*
- * Mesa 3-D graphics library
- * Version:  7.5
- *
- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
- * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/** 
- * \file texgen.c
- *
- * glTexGen-related functions
- */
-
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/enums.h"
-#include "main/macros.h"
-#include "main/texgen.h"
-#include "main/texstate.h"
-#include "math/m_matrix.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_texgen
-
-
-/**
- * Return texgen state for given coordinate
- */
-static struct gl_texgen *
-get_texgen(struct gl_texture_unit *texUnit, GLenum coord)
-{
-   switch (coord) {
-   case GL_S:
-      return &texUnit->GenS;
-   case GL_T:
-      return &texUnit->GenT;
-   case GL_R:
-      return &texUnit->GenR;
-   case GL_Q:
-      return &texUnit->GenQ;
-   default:
-      return NULL;
-   }
-}
-
-
-void GLAPIENTRY
-_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texgen *texgen;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
-      _mesa_debug(ctx, "glTexGen %s %s %.1f(%s)...\n",
-                  _mesa_lookup_enum_by_nr(coord),
-                  _mesa_lookup_enum_by_nr(pname),
-                  *params,
-		  _mesa_lookup_enum_by_nr((GLenum) (GLint) *params));
-
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexGen(current unit)");
-      return;
-   }
-
-   texUnit = _mesa_get_current_tex_unit(ctx);
-
-   texgen = get_texgen(texUnit, coord);
-   if (!texgen) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glTexGen(coord)");
-      return;
-   }
-
-   switch (pname) {
-   case GL_TEXTURE_GEN_MODE:
-      {
-         GLenum mode = (GLenum) (GLint) params[0];
-         GLbitfield bit = 0x0;
-         if (texgen->Mode == mode)
-            return;
-         switch (mode) {
-         case GL_OBJECT_LINEAR:
-            bit = TEXGEN_OBJ_LINEAR;
-            break;
-         case GL_EYE_LINEAR:
-            bit = TEXGEN_EYE_LINEAR;
-            break;
-         case GL_SPHERE_MAP:
-            if (coord == GL_S || coord == GL_T)
-               bit = TEXGEN_SPHERE_MAP;
-            break;
-         case GL_REFLECTION_MAP_NV:
-            if (coord != GL_Q)
-               bit = TEXGEN_REFLECTION_MAP_NV;
-            break;
-         case GL_NORMAL_MAP_NV:
-            if (coord != GL_Q)
-               bit = TEXGEN_NORMAL_MAP_NV;
-            break;
-         default:
-            ; /* nop */
-         }
-         if (!bit) {
-            _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
-            return;
-         }
-         FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         texgen->Mode = mode;
-         texgen->_ModeBit = bit;
-      }
-      break;
-
-   case GL_OBJECT_PLANE:
-      {
-         if (TEST_EQ_4V(texgen->ObjectPlane, params))
-            return;
-         FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         COPY_4FV(texgen->ObjectPlane, params);
-      }
-      break;
-
-   case GL_EYE_PLANE:
-      {
-         GLfloat tmp[4];
-         /* Transform plane equation by the inverse modelview matrix */
-         if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
-            _math_matrix_analyse(ctx->ModelviewMatrixStack.Top);
-         }
-         _mesa_transform_vector(tmp, params,
-                                ctx->ModelviewMatrixStack.Top->inv);
-         if (TEST_EQ_4V(texgen->EyePlane, tmp))
-            return;
-         FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-         COPY_4FV(texgen->EyePlane, tmp);
-      }
-      break;
-
-   default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
-      return;
-   }
-
-   if (ctx->Driver.TexGen)
-      ctx->Driver.TexGen( ctx, coord, pname, params );
-}
-
-
-static void GLAPIENTRY
-_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params )
-{
-   GLfloat p[4];
-   p[0] = (GLfloat) params[0];
-   if (pname == GL_TEXTURE_GEN_MODE) {
-      p[1] = p[2] = p[3] = 0.0F;
-   }
-   else {
-      p[1] = (GLfloat) params[1];
-      p[2] = (GLfloat) params[2];
-      p[3] = (GLfloat) params[3];
-   }
-   _mesa_TexGenfv(coord, pname, p);
-}
-
-
-static void GLAPIENTRY
-_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param )
-{
-   GLfloat p[4];
-   p[0] = (GLfloat) param;
-   p[1] = p[2] = p[3] = 0.0F;
-   _mesa_TexGenfv( coord, pname, p );
-}
-
-#if FEATURE_ES1
-
-void GLAPIENTRY
-_es_GetTexGenfv(GLenum coord, GLenum pname, GLfloat *params)
-{
-   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);
-   _mesa_GetTexGenfv(GL_S, pname, params);
-}
-
-
-void GLAPIENTRY
-_es_TexGenf(GLenum coord, GLenum pname, GLfloat param)
-{
-   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);
-   /* set S, T, and R at the same time */
-   _mesa_TexGenf(GL_S, pname, param);
-   _mesa_TexGenf(GL_T, pname, param);
-   _mesa_TexGenf(GL_R, pname, param);
-}
-
-
-void GLAPIENTRY
-_es_TexGenfv(GLenum coord, GLenum pname, const GLfloat *params)
-{
-   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);
-   /* set S, T, and R at the same time */
-   _mesa_TexGenfv(GL_S, pname, params);
-   _mesa_TexGenfv(GL_T, pname, params);
-   _mesa_TexGenfv(GL_R, pname, params);
-}
-
-#endif
-
-static void GLAPIENTRY
-_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params )
-{
-   GLfloat p[4];
-   p[0] = (GLfloat) params[0];
-   if (pname == GL_TEXTURE_GEN_MODE) {
-      p[1] = p[2] = p[3] = 0.0F;
-   }
-   else {
-      p[1] = (GLfloat) params[1];
-      p[2] = (GLfloat) params[2];
-      p[3] = (GLfloat) params[3];
-   }
-   _mesa_TexGenfv( coord, pname, p );
-}
-
-
-void GLAPIENTRY
-_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param )
-{
-   GLfloat p[4];
-   p[0] = param;
-   p[1] = p[2] = p[3] = 0.0F;
-   _mesa_TexGenfv(coord, pname, p);
-}
-
-
-void GLAPIENTRY
-_mesa_TexGeni( GLenum coord, GLenum pname, GLint param )
-{
-   GLint p[4];
-   p[0] = param;
-   p[1] = p[2] = p[3] = 0;
-   _mesa_TexGeniv( coord, pname, p );
-}
-
-
-
-static void GLAPIENTRY
-_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texgen *texgen;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGendv(current unit)");
-      return;
-   }
-
-   texUnit = _mesa_get_current_tex_unit(ctx);
-
-   texgen = get_texgen(texUnit, coord);
-   if (!texgen) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)");
-      return;
-   }
-
-   switch (pname) {
-   case GL_TEXTURE_GEN_MODE:
-      params[0] = ENUM_TO_DOUBLE(texgen->Mode);
-      break;
-   case GL_OBJECT_PLANE:
-      COPY_4V(params, texgen->ObjectPlane);
-      break;
-   case GL_EYE_PLANE:
-      COPY_4V(params, texgen->EyePlane);
-      break;
-   default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
-   }
-}
-
-
-
-void GLAPIENTRY
-_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texgen *texgen;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGenfv(current unit)");
-      return;
-   }
-
-   texUnit = _mesa_get_current_tex_unit(ctx);
-
-   texgen = get_texgen(texUnit, coord);
-   if (!texgen) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)");
-      return;
-   }
-
-   switch (pname) {
-   case GL_TEXTURE_GEN_MODE:
-      params[0] = ENUM_TO_FLOAT(texgen->Mode);
-      break;
-   case GL_OBJECT_PLANE:
-      COPY_4V(params, texgen->ObjectPlane);
-      break;
-   case GL_EYE_PLANE:
-      COPY_4V(params, texgen->EyePlane);
-      break;
-   default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
-   }
-}
-
-
-
-static void GLAPIENTRY
-_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )
-{
-   struct gl_texture_unit *texUnit;
-   struct gl_texgen *texgen;
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGeniv(current unit)");
-      return;
-   }
-
-   texUnit = _mesa_get_current_tex_unit(ctx);
-
-   texgen = get_texgen(texUnit, coord);
-   if (!texgen) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)");
-      return;
-   }
-
-   switch (pname) {
-   case GL_TEXTURE_GEN_MODE:
-      params[0] = texgen->Mode;
-      break;
-   case GL_OBJECT_PLANE:
-      params[0] = (GLint) texgen->ObjectPlane[0];
-      params[1] = (GLint) texgen->ObjectPlane[1];
-      params[2] = (GLint) texgen->ObjectPlane[2];
-      params[3] = (GLint) texgen->ObjectPlane[3];
-      break;
-   case GL_EYE_PLANE:
-      params[0] = (GLint) texgen->EyePlane[0];
-      params[1] = (GLint) texgen->EyePlane[1];
-      params[2] = (GLint) texgen->EyePlane[2];
-      params[3] = (GLint) texgen->EyePlane[3];
-      break;
-   default:
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
-   }
-}
-
-
-void
-_mesa_init_texgen_dispatch(struct _glapi_table *disp)
-{
-   SET_GetTexGendv(disp, _mesa_GetTexGendv);
-   SET_GetTexGenfv(disp, _mesa_GetTexGenfv);
-   SET_GetTexGeniv(disp, _mesa_GetTexGeniv);
-   SET_TexGend(disp, _mesa_TexGend);
-   SET_TexGendv(disp, _mesa_TexGendv);
-   SET_TexGenf(disp, _mesa_TexGenf);
-   SET_TexGenfv(disp, _mesa_TexGenfv);
-   SET_TexGeni(disp, _mesa_TexGeni);
-   SET_TexGeniv(disp, _mesa_TexGeniv);
-}
-
-
-#endif /* FEATURE_texgen */
+/*

+ * Mesa 3-D graphics library

+ * Version:  7.5

+ *

+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included

+ * in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+/** 

+ * \file texgen.c

+ *

+ * glTexGen-related functions

+ */

+

+

+#include "main/glheader.h"

+#include "main/context.h"

+#include "main/enums.h"

+#include "main/macros.h"

+#include "main/mfeatures.h"

+#include "main/texgen.h"

+#include "main/texstate.h"

+#include "math/m_matrix.h"

+#include "main/dispatch.h"

+

+

+#if FEATURE_texgen

+

+

+/**

+ * Return texgen state for given coordinate

+ */

+static struct gl_texgen *

+get_texgen(struct gl_texture_unit *texUnit, GLenum coord)

+{

+   switch (coord) {

+   case GL_S:

+      return &texUnit->GenS;

+   case GL_T:

+      return &texUnit->GenT;

+   case GL_R:

+      return &texUnit->GenR;

+   case GL_Q:

+      return &texUnit->GenQ;

+   default:

+      return NULL;

+   }

+}

+

+

+void GLAPIENTRY

+_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )

+{

+   struct gl_texture_unit *texUnit;

+   struct gl_texgen *texgen;

+   GET_CURRENT_CONTEXT(ctx);

+   ASSERT_OUTSIDE_BEGIN_END(ctx);

+

+   if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))

+      _mesa_debug(ctx, "glTexGen %s %s %.1f(%s)...\n",

+                  _mesa_lookup_enum_by_nr(coord),

+                  _mesa_lookup_enum_by_nr(pname),

+                  *params,

+		  _mesa_lookup_enum_by_nr((GLenum) (GLint) *params));

+

+   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glTexGen(current unit)");

+      return;

+   }

+

+   texUnit = _mesa_get_current_tex_unit(ctx);

+

+   texgen = get_texgen(texUnit, coord);

+   if (!texgen) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glTexGen(coord)");

+      return;

+   }

+

+   switch (pname) {

+   case GL_TEXTURE_GEN_MODE:

+      {

+         GLenum mode = (GLenum) (GLint) params[0];

+         GLbitfield bit = 0x0;

+         if (texgen->Mode == mode)

+            return;

+         switch (mode) {

+         case GL_OBJECT_LINEAR:

+            bit = TEXGEN_OBJ_LINEAR;

+            break;

+         case GL_EYE_LINEAR:

+            bit = TEXGEN_EYE_LINEAR;

+            break;

+         case GL_SPHERE_MAP:

+            if (coord == GL_S || coord == GL_T)

+               bit = TEXGEN_SPHERE_MAP;

+            break;

+         case GL_REFLECTION_MAP_NV:

+            if (coord != GL_Q)

+               bit = TEXGEN_REFLECTION_MAP_NV;

+            break;

+         case GL_NORMAL_MAP_NV:

+            if (coord != GL_Q)

+               bit = TEXGEN_NORMAL_MAP_NV;

+            break;

+         default:

+            ; /* nop */

+         }

+         if (!bit) {

+            _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );

+            return;

+         }

+         FLUSH_VERTICES(ctx, _NEW_TEXTURE);

+         texgen->Mode = mode;

+         texgen->_ModeBit = bit;

+      }

+      break;

+

+   case GL_OBJECT_PLANE:

+      {

+         if (TEST_EQ_4V(texgen->ObjectPlane, params))

+            return;

+         FLUSH_VERTICES(ctx, _NEW_TEXTURE);

+         COPY_4FV(texgen->ObjectPlane, params);

+      }

+      break;

+

+   case GL_EYE_PLANE:

+      {

+         GLfloat tmp[4];

+         /* Transform plane equation by the inverse modelview matrix */

+         if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {

+            _math_matrix_analyse(ctx->ModelviewMatrixStack.Top);

+         }

+         _mesa_transform_vector(tmp, params,

+                                ctx->ModelviewMatrixStack.Top->inv);

+         if (TEST_EQ_4V(texgen->EyePlane, tmp))

+            return;

+         FLUSH_VERTICES(ctx, _NEW_TEXTURE);

+         COPY_4FV(texgen->EyePlane, tmp);

+      }

+      break;

+

+   default:

+      _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );

+      return;

+   }

+

+   if (ctx->Driver.TexGen)

+      ctx->Driver.TexGen( ctx, coord, pname, params );

+}

+

+

+static void GLAPIENTRY

+_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params )

+{

+   GLfloat p[4];

+   p[0] = (GLfloat) params[0];

+   if (pname == GL_TEXTURE_GEN_MODE) {

+      p[1] = p[2] = p[3] = 0.0F;

+   }

+   else {

+      p[1] = (GLfloat) params[1];

+      p[2] = (GLfloat) params[2];

+      p[3] = (GLfloat) params[3];

+   }

+   _mesa_TexGenfv(coord, pname, p);

+}

+

+

+static void GLAPIENTRY

+_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param )

+{

+   GLfloat p[4];

+   p[0] = (GLfloat) param;

+   p[1] = p[2] = p[3] = 0.0F;

+   _mesa_TexGenfv( coord, pname, p );

+}

+

+#if FEATURE_ES1

+

+void GLAPIENTRY

+_es_GetTexGenfv(GLenum coord, GLenum pname, GLfloat *params)

+{

+   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);

+   _mesa_GetTexGenfv(GL_S, pname, params);

+}

+

+

+void GLAPIENTRY

+_es_TexGenf(GLenum coord, GLenum pname, GLfloat param)

+{

+   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);

+   /* set S, T, and R at the same time */

+   _mesa_TexGenf(GL_S, pname, param);

+   _mesa_TexGenf(GL_T, pname, param);

+   _mesa_TexGenf(GL_R, pname, param);

+}

+

+

+void GLAPIENTRY

+_es_TexGenfv(GLenum coord, GLenum pname, const GLfloat *params)

+{

+   ASSERT(coord == GL_TEXTURE_GEN_STR_OES);

+   /* set S, T, and R at the same time */

+   _mesa_TexGenfv(GL_S, pname, params);

+   _mesa_TexGenfv(GL_T, pname, params);

+   _mesa_TexGenfv(GL_R, pname, params);

+}

+

+#endif

+

+static void GLAPIENTRY

+_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params )

+{

+   GLfloat p[4];

+   p[0] = (GLfloat) params[0];

+   if (pname == GL_TEXTURE_GEN_MODE) {

+      p[1] = p[2] = p[3] = 0.0F;

+   }

+   else {

+      p[1] = (GLfloat) params[1];

+      p[2] = (GLfloat) params[2];

+      p[3] = (GLfloat) params[3];

+   }

+   _mesa_TexGenfv( coord, pname, p );

+}

+

+

+void GLAPIENTRY

+_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param )

+{

+   GLfloat p[4];

+   p[0] = param;

+   p[1] = p[2] = p[3] = 0.0F;

+   _mesa_TexGenfv(coord, pname, p);

+}

+

+

+void GLAPIENTRY

+_mesa_TexGeni( GLenum coord, GLenum pname, GLint param )

+{

+   GLint p[4];

+   p[0] = param;

+   p[1] = p[2] = p[3] = 0;

+   _mesa_TexGeniv( coord, pname, p );

+}

+

+

+

+static void GLAPIENTRY

+_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )

+{

+   struct gl_texture_unit *texUnit;

+   struct gl_texgen *texgen;

+   GET_CURRENT_CONTEXT(ctx);

+   ASSERT_OUTSIDE_BEGIN_END(ctx);

+

+   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGendv(current unit)");

+      return;

+   }

+

+   texUnit = _mesa_get_current_tex_unit(ctx);

+

+   texgen = get_texgen(texUnit, coord);

+   if (!texgen) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)");

+      return;

+   }

+

+   switch (pname) {

+   case GL_TEXTURE_GEN_MODE:

+      params[0] = ENUM_TO_DOUBLE(texgen->Mode);

+      break;

+   case GL_OBJECT_PLANE:

+      COPY_4V(params, texgen->ObjectPlane);

+      break;

+   case GL_EYE_PLANE:

+      COPY_4V(params, texgen->EyePlane);

+      break;

+   default:

+      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );

+   }

+}

+

+

+

+void GLAPIENTRY

+_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )

+{

+   struct gl_texture_unit *texUnit;

+   struct gl_texgen *texgen;

+   GET_CURRENT_CONTEXT(ctx);

+   ASSERT_OUTSIDE_BEGIN_END(ctx);

+

+   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGenfv(current unit)");

+      return;

+   }

+

+   texUnit = _mesa_get_current_tex_unit(ctx);

+

+   texgen = get_texgen(texUnit, coord);

+   if (!texgen) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)");

+      return;

+   }

+

+   switch (pname) {

+   case GL_TEXTURE_GEN_MODE:

+      params[0] = ENUM_TO_FLOAT(texgen->Mode);

+      break;

+   case GL_OBJECT_PLANE:

+      COPY_4V(params, texgen->ObjectPlane);

+      break;

+   case GL_EYE_PLANE:

+      COPY_4V(params, texgen->EyePlane);

+      break;

+   default:

+      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );

+   }

+}

+

+

+

+static void GLAPIENTRY

+_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )

+{

+   struct gl_texture_unit *texUnit;

+   struct gl_texgen *texgen;

+   GET_CURRENT_CONTEXT(ctx);

+   ASSERT_OUTSIDE_BEGIN_END(ctx);

+

+   if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGeniv(current unit)");

+      return;

+   }

+

+   texUnit = _mesa_get_current_tex_unit(ctx);

+

+   texgen = get_texgen(texUnit, coord);

+   if (!texgen) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)");

+      return;

+   }

+

+   switch (pname) {

+   case GL_TEXTURE_GEN_MODE:

+      params[0] = texgen->Mode;

+      break;

+   case GL_OBJECT_PLANE:

+      params[0] = (GLint) texgen->ObjectPlane[0];

+      params[1] = (GLint) texgen->ObjectPlane[1];

+      params[2] = (GLint) texgen->ObjectPlane[2];

+      params[3] = (GLint) texgen->ObjectPlane[3];

+      break;

+   case GL_EYE_PLANE:

+      params[0] = (GLint) texgen->EyePlane[0];

+      params[1] = (GLint) texgen->EyePlane[1];

+      params[2] = (GLint) texgen->EyePlane[2];

+      params[3] = (GLint) texgen->EyePlane[3];

+      break;

+   default:

+      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );

+   }

+}

+

+

+void

+_mesa_init_texgen_dispatch(struct _glapi_table *disp)

+{

+   SET_GetTexGendv(disp, _mesa_GetTexGendv);

+   SET_GetTexGenfv(disp, _mesa_GetTexGenfv);

+   SET_GetTexGeniv(disp, _mesa_GetTexGeniv);

+   SET_TexGend(disp, _mesa_TexGend);

+   SET_TexGendv(disp, _mesa_TexGendv);

+   SET_TexGenf(disp, _mesa_TexGenf);

+   SET_TexGenfv(disp, _mesa_TexGenfv);

+   SET_TexGeni(disp, _mesa_TexGeni);

+   SET_TexGeniv(disp, _mesa_TexGeniv);

+}

+

+

+#endif /* FEATURE_texgen */