replaced experimental MESA_sprite_point with NV_point_sprite

10 files changed, 616 insertions, 419 deletions

diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index 5e6da38d98..9a13aa7691 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -1,4 +1,4 @@
-/* $Id: attrib.c,v 1.63 2002/04/01 17:03:38 brianp Exp $ */
+/* $Id: attrib.c,v 1.64 2002/05/27 17:04:52 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -527,6 +527,10 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
                    GL_POINT_SMOOTH);
    TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
                    GL_POINT_SMOOTH);
+   if (ctx->Extensions.NV_point_sprite) {
+      TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite,
+                      GL_POINT_SPRITE_NV);
+   }
    TEST_AND_UPDATE(ctx->Polygon.OffsetPoint, enable->PolygonOffsetPoint,
                    GL_POLYGON_OFFSET_POINT);
    TEST_AND_UPDATE(ctx->Polygon.OffsetLine, enable->PolygonOffsetLine,
@@ -991,6 +995,16 @@ _mesa_PopAttrib(void)
                _mesa_PointParameterfEXT(GL_POINT_SIZE_MAX_EXT, point->MaxSize);
                _mesa_PointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
                                         point->Threshold);
+               if (ctx->Extensions.NV_point_sprite) {
+                  GLuint u;
+                  for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+                     _mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,
+                                   (GLint) point->CoordReplace[u]);
+                  }
+                  _mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
+                  _mesa_PointParameteriNV(GL_POINT_SPRITE_R_MODE_NV,
+                                          ctx->Point.SpriteRMode);
+               }
             }
             break;
          case GL_POLYGON_BIT:
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 37c572226d..96dafac0ad 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -1,4 +1,4 @@
-/* $Id: config.h,v 1.37 2001/12/18 04:06:45 brianp Exp $ */
+/* $Id: config.h,v 1.38 2002/05/27 17:04:52 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -92,7 +92,7 @@
 
 /* Min and Max point sizes and granularity */
 #define MIN_POINT_SIZE 1.0
-#define MAX_POINT_SIZE 10.0
+#define MAX_POINT_SIZE 20.0
 #define POINT_SIZE_GRANULARITY 0.1
 
 /* Min and Max line widths and granularity */
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index b4e746d769..420bfa4691 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1,4 +1,4 @@
-/* $Id: context.c,v 1.162 2002/05/09 21:54:16 brianp Exp $ */
+/* $Id: context.c,v 1.163 2002/05/27 17:04:52 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1116,7 +1116,11 @@ init_attrib_groups( GLcontext *ctx )
    ctx->Point.MinSize = 0.0;
    ctx->Point.MaxSize = ctx->Const.MaxPointSize;
    ctx->Point.Threshold = 1.0;
-   ctx->Point.SpriteMode = GL_FALSE; /* GL_MESA_sprite_point */
+   ctx->Point.PointSprite = GL_FALSE; /* GL_NV_point_sprite */
+   ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite */
+   for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
+      ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_NV_point_sprite */
+   }
 
    /* Polygon group */
    ctx->Polygon.CullFlag = GL_FALSE;
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index af870e1639..87db3d5a6f 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -1,4 +1,4 @@
-/* $Id: enable.c,v 1.62 2002/04/21 18:49:18 brianp Exp $ */
+/* $Id: enable.c,v 1.63 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -794,13 +794,13 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
          ctx->Transform.RasterPositionUnclipped = state;
          break;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         CHECK_EXTENSION(MESA_sprite_point);
-         if (ctx->Point.SpriteMode == state)
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         CHECK_EXTENSION(NV_point_sprite);
+         if (ctx->Point.PointSprite == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_POINT);
-         ctx->Point.SpriteMode = state;
+         ctx->Point.PointSprite = state;
          break;
 
       /* GL_NV_vertex_program */
@@ -1158,9 +1158,9 @@ _mesa_IsEnabled( GLenum cap )
          CHECK_EXTENSION(IBM_rasterpos_clip);
          return ctx->Transform.RasterPositionUnclipped;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         return ctx->Point.SpriteMode;
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         return ctx->Point.PointSprite;
 
       /* GL_NV_vertex_program */
       case GL_VERTEX_PROGRAM_NV:
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 96984359c1..c86bf7ce2d 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,4 +1,4 @@
-/* $Id: extensions.c,v 1.73 2002/05/02 00:59:20 brianp Exp $ */
+/* $Id: extensions.c,v 1.74 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -111,9 +111,9 @@ static struct {
    { OFF, "GL_INGR_blend_func_separate",       F(INGR_blend_func_separate) },
    { OFF, "GL_MESA_packed_depth_stencil",      0 },
    { OFF, "GL_MESA_resize_buffers",            F(MESA_resize_buffers) },
-   { OFF, "GL_MESA_sprite_point",              F(MESA_sprite_point) },
    { ON,  "GL_MESA_window_pos",                F(MESA_window_pos) },
    { OFF, "GL_NV_blend_square",                F(NV_blend_square) },
+   { OFF, "GL_NV_point_sprite",                F(NV_point_sprite) },
    { ON,  "GL_NV_texgen_reflection",           F(NV_texgen_reflection) },
    { OFF, "GL_NV_vertex_program",              F(NV_vertex_program) },
    { OFF, "GL_NV_vertex_program1_1",           F(NV_vertex_program1_1) },
@@ -177,6 +177,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
       "GL_INGR_blend_func_separate",
       "GL_MESA_resize_buffers",
       "GL_NV_blend_square",
+      "GL_NV_point_sprite",
       "GL_NV_texgen_reflection",
       "GL_NV_vertex_program",
       "GL_NV_vertex_program1_1",
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 0b63eab77c..0705f884e6 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1,4 +1,4 @@
-/* $Id: get.c,v 1.78 2002/05/09 21:54:16 brianp Exp $ */
+/* $Id: get.c,v 1.79 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1325,10 +1325,14 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
          *params = ctx->Transform.RasterPositionUnclipped;
          break;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         CHECK_EXTENSION_B(MESA_sprite_point);
-         *params = ctx->Point.SpriteMode;
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = ctx->Point.PointSprite;
+         break;
+      case GL_POINT_SPRITE_R_MODE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = ENUM_TO_BOOL(ctx->Point.SpriteRMode);
          break;
 
       /* GL_SGIS_generate_mipmap */
@@ -2654,10 +2658,14 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
          *params = (GLdouble) ctx->Transform.RasterPositionUnclipped;
          break;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         CHECK_EXTENSION_D(MESA_sprite_point);
-         *params = (GLdouble) ctx->Point.SpriteMode;
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLdouble) ctx->Point.PointSprite;
+         break;
+      case GL_POINT_SPRITE_R_MODE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLdouble) ctx->Point.SpriteRMode;
          break;
 
       /* GL_SGIS_generate_mipmap */
@@ -3869,10 +3877,14 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
          *params = (GLfloat) ctx->Transform.RasterPositionUnclipped;
          break;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         CHECK_EXTENSION_F(MESA_sprite_point);
-         *params = (GLfloat) ctx->Point.SpriteMode;
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLfloat) ctx->Point.PointSprite;
+         break;
+      case GL_POINT_SPRITE_R_MODE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLfloat) ctx->Point.SpriteRMode;
          break;
 
       /* GL_SGIS_generate_mipmap */
@@ -5122,10 +5134,14 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
          *params = (GLint) ctx->Transform.RasterPositionUnclipped;
          break;
 
-      /* GL_MESA_sprite_point */
-      case GL_SPRITE_POINT_MESA:
-         CHECK_EXTENSION_I(MESA_sprite_point);
-         *params = (GLint) ctx->Point.SpriteMode;
+      /* GL_NV_point_sprite */
+      case GL_POINT_SPRITE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLint) ctx->Point.PointSprite;
+         break;
+      case GL_POINT_SPRITE_R_MODE_NV:
+         CHECK_EXTENSION_B(NV_point_sprite);
+         *params = (GLint) ctx->Point.SpriteRMode;
          break;
 
       /* GL_SGIS_generate_mipmap */
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 93f217f57c..2864e65b47 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1,4 +1,4 @@
-/* $Id: mtypes.h,v 1.75 2002/05/09 21:54:16 brianp Exp $ */
+/* $Id: mtypes.h,v 1.76 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -426,18 +426,18 @@ struct gl_enable_attrib {
    GLboolean RescaleNormals;
    GLboolean Scissor;
    GLboolean Stencil;
-   GLboolean MultisampleEnabled;     /* GL_ARB_multisample */
-   GLboolean SampleAlphaToCoverage;  /* GL_ARB_multisample */
-   GLboolean SampleAlphaToOne;       /* GL_ARB_multisample */
-   GLboolean SampleCoverage;         /* GL_ARB_multisample */
-   GLboolean SampleCoverageInvert;   /* GL_ARB_multisample */
+   GLboolean MultisampleEnabled;      /* GL_ARB_multisample */
+   GLboolean SampleAlphaToCoverage;   /* GL_ARB_multisample */
+   GLboolean SampleAlphaToOne;        /* GL_ARB_multisample */
+   GLboolean SampleCoverage;          /* GL_ARB_multisample */
+   GLboolean SampleCoverageInvert;    /* GL_ARB_multisample */
    GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
    GLuint Texture[MAX_TEXTURE_UNITS];
    GLuint TexGen[MAX_TEXTURE_UNITS];
-   /* GL_NV_vertex_program */
-   GLboolean VertexProgram;
-   GLboolean VertexProgramPointSize;
-   GLboolean VertexProgramTwoSide;
+   GLboolean VertexProgram;           /* GL_NV_vertex_program */
+   GLboolean VertexProgramPointSize;  /* GL_NV_vertex_program */
+   GLboolean VertexProgramTwoSide;    /* GL_NV_vertex_program */
+   GLboolean PointSprite;             /* GL_NV_point_sprite */
 };
 
 
@@ -669,13 +669,15 @@ struct gl_pixel_attrib {
 
 struct gl_point_attrib {
    GLboolean SmoothFlag;	/* True if GL_POINT_SMOOTH is enabled */
-   GLboolean SpriteMode;	/* GL_MESA_sprite_point extension */
    GLfloat Size;		/* User-specified point size */
    GLfloat _Size;		/* Size clamped to Const.Min/MaxPointSize */
    GLfloat Params[3];		/* GL_EXT_point_parameters */
    GLfloat MinSize, MaxSize;	/* GL_EXT_point_parameters */
    GLfloat Threshold;		/* GL_EXT_point_parameters */
    GLboolean _Attenuated;	/* True if Params != [1, 0, 0] */
+   GLboolean PointSprite;	/* GL_NV_point_sprite */
+   GLboolean CoordReplace[MAX_TEXTURE_UNITS]; /* GL_NV_point_sprite */
+   GLenum SpriteRMode;		/* GL_NV_point_sprite */
 };
 
 
@@ -1427,6 +1429,7 @@ struct gl_extensions {
    GLboolean MESA_resize_buffers;
    GLboolean MESA_sprite_point;
    GLboolean NV_blend_square;
+   GLboolean NV_point_sprite;
    GLboolean NV_texgen_reflection;
    GLboolean NV_vertex_program;
    GLboolean NV_vertex_program1_1;
diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index a3e678811d..cf9922479d 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -1,4 +1,4 @@
-/* $Id: points.c,v 1.32 2002/04/02 16:15:16 brianp Exp $ */
+/* $Id: points.c,v 1.33 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -71,6 +71,29 @@ _mesa_PointSize( GLfloat size )
 
 
 /*
+ * Added by GL_NV_point_sprite
+ */
+void
+_mesa_PointParameteriNV( GLenum pname, GLint param )
+{
+   const GLfloat value = (GLfloat) param;
+   _mesa_PointParameterfvEXT(pname, &value);
+}
+
+
+/*
+ * Added by GL_NV_point_sprite
+ */
+void
+_mesa_PointParameterivNV( GLenum pname, const GLint *params )
+{
+   const GLfloat value = (GLfloat) params[0];
+   _mesa_PointParameterfvEXT(pname, &value);
+}
+
+
+
+/*
  * Same for both GL_EXT_point_parameters and GL_ARB_point_parameters.
  */
 void
@@ -90,14 +113,9 @@ _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params)
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (!ctx->Extensions.EXT_point_parameters) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glPointParameterf[v]{EXT,ARB}(pname)");
-      return;
-   }
-
    switch (pname) {
       case GL_DISTANCE_ATTENUATION_EXT:
-         {
+         if (ctx->Extensions.EXT_point_parameters) {
             const GLboolean tmp = ctx->Point._Attenuated;
             if (TEST_EQ_3V(ctx->Point.Params, params))
 	       return;
@@ -118,39 +136,88 @@ _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params)
 	       ctx->_NeedEyeCoords ^= NEED_EYE_POINT_ATTEN;
             }
          }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
+            return;
+         }
          break;
       case GL_POINT_SIZE_MIN_EXT:
-         if (*params < 0.0F) {
-            _mesa_error( ctx, GL_INVALID_VALUE, "glPointParameterf[v]{EXT,ARB}(param)" );
+         if (ctx->Extensions.EXT_point_parameters) {
+            if (params[0] < 0.0F) {
+               _mesa_error( ctx, GL_INVALID_VALUE,
+                            "glPointParameterf[v]{EXT,ARB}(param)" );
+               return;
+            }
+            if (ctx->Point.MinSize == params[0])
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.MinSize = params[0];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
             return;
          }
-         if (ctx->Point.MinSize == *params)
-	    return;
-	 FLUSH_VERTICES(ctx, _NEW_POINT);
-         ctx->Point.MinSize = *params;
          break;
       case GL_POINT_SIZE_MAX_EXT:
-         if (*params < 0.0F) {
-            _mesa_error( ctx, GL_INVALID_VALUE, "glPointParameterf[v]{EXT,ARB}(param)" );
+         if (ctx->Extensions.EXT_point_parameters) {
+            if (params[0] < 0.0F) {
+               _mesa_error( ctx, GL_INVALID_VALUE,
+                            "glPointParameterf[v]{EXT,ARB}(param)" );
+               return;
+            }
+            if (ctx->Point.MaxSize == params[0])
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.MaxSize = params[0];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
             return;
          }
-         if (ctx->Point.MaxSize == *params)
-	    return;
-	 FLUSH_VERTICES(ctx, _NEW_POINT);
-         ctx->Point.MaxSize = *params;
          break;
       case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
-         if (*params < 0.0F) {
-            _mesa_error( ctx, GL_INVALID_VALUE, "glPointParameterf[v]{EXT,ARB}(param)" );
+         if (ctx->Extensions.EXT_point_parameters) {
+            if (params[0] < 0.0F) {
+               _mesa_error( ctx, GL_INVALID_VALUE,
+                            "glPointParameterf[v]{EXT,ARB}(param)" );
+               return;
+            }
+            if (ctx->Point.Threshold == params[0])
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.Threshold = params[0];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
+            return;
+         }
+         break;
+      case GL_POINT_SPRITE_R_MODE_NV:
+         if (ctx->Extensions.NV_point_sprite) {
+            GLenum value = (GLenum) params[0];
+            if (value != GL_ZERO && value != GL_S && value != GL_R) {
+               _mesa_error(ctx, GL_INVALID_VALUE,
+                           "glPointParameterf[v]{EXT,ARB}(param)");
+               return;
+            }
+            if (ctx->Point.SpriteRMode == value)
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.SpriteRMode = value;
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
             return;
          }
-         if (ctx->Point.Threshold == *params)
-	    return;
-	 FLUSH_VERTICES(ctx, _NEW_POINT);
-         ctx->Point.Threshold = *params;
          break;
       default:
-         _mesa_error( ctx, GL_INVALID_ENUM, "glPointParameterf[v]{EXT,ARB}(pname)" );
+         _mesa_error( ctx, GL_INVALID_ENUM,
+                      "glPointParameterf[v]{EXT,ARB}(pname)" );
          return;
    }
 
diff --git a/src/mesa/main/points.h b/src/mesa/main/points.h
index 55407491bb..02a542feb9 100644
--- a/src/mesa/main/points.h
+++ b/src/mesa/main/points.h
@@ -1,4 +1,4 @@
-/* $Id: points.h,v 1.6 2002/04/02 16:15:17 brianp Exp $ */
+/* $Id: points.h,v 1.7 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -36,7 +36,13 @@ extern void
 _mesa_PointSize( GLfloat size );
 
 extern void
-_mesa_PointParameterfEXT( GLenum pname, GLfloat param);
+_mesa_PointParameteriNV( GLenum pname, GLint param );
+
+extern void
+_mesa_PointParameterivNV( GLenum pname, const GLint *params );
+
+extern void
+_mesa_PointParameterfEXT( GLenum pname, GLfloat param );
 
 extern void
 _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params );
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 67cb4022dc..fe6d9157de 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -1,4 +1,4 @@
-/* $Id: texstate.c,v 1.71 2002/05/02 00:59:20 brianp Exp $ */
+/* $Id: texstate.c,v 1.72 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -75,7 +75,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
       _mesa_error(ctx, errCode, s);				\
    }
 
-   if (target==GL_TEXTURE_ENV) {
+   if (target == GL_TEXTURE_ENV) {
       switch (pname) {
       case GL_TEXTURE_ENV_MODE:
          {
@@ -402,24 +402,52 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
 	 return;
       }
    }
-   else if (target==GL_TEXTURE_FILTER_CONTROL_EXT) {
+   else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+      /* GL_EXT_texture_lod_bias */
       if (!ctx->Extensions.EXT_texture_lod_bias) {
-	 _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
+	 _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" );
 	 return;
       }
-      switch (pname) {
-      case GL_TEXTURE_LOD_BIAS_EXT:
+      if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
 	 if (texUnit->LodBias == param[0])
 	    return;
 	 FLUSH_VERTICES(ctx, _NEW_TEXTURE);
          texUnit->LodBias = CLAMP(param[0], -ctx->Const.MaxTextureLodBias,
                                   ctx->Const.MaxTextureLodBias);
-	 break;
-      default:
+      }
+      else {
          TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
 	 return;
       }
    }
+   else if (target == GL_POINT_SPRITE_NV) {
+      /* GL_NV_point_sprite */
+      if (!ctx->Extensions.NV_point_sprite) {
+	 _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" );
+	 return;
+      }
+      if (pname == GL_COORD_REPLACE_NV) {
+         const GLenum value = (GLenum) param[0];
+         if (value == GL_TRUE || value == GL_FALSE) {
+            /* It's kind of weird to set point state via glTexEnv,
+             * but that's what the spec calls for.
+             */
+            const GLboolean state = (GLboolean) value;
+            if (ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] == state)
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] = state;
+         }
+         else {
+            _mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" );
+            return;
+         }
+      }
+      else {
+         _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
+         return;
+      }
+   }
    else {
       _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" );
       return;
@@ -482,176 +510,205 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
    const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (target!=GL_TEXTURE_ENV) {
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
-      return;
+   if (target == GL_TEXTURE_ENV) {
+      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;
+         case GL_COMBINE_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineModeRGB;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_COMBINE_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineModeA;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE0_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceRGB[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE1_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceRGB[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE2_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceRGB[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE0_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceA[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE1_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceA[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_SOURCE2_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineSourceA[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND0_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandRGB[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND1_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandRGB[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND2_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandRGB[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND0_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandA[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND1_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandA[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_OPERAND2_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLfloat) texUnit->CombineOperandA[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+            }
+            break;
+         case GL_RGB_SCALE_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               if (texUnit->CombineScaleShiftRGB == 0)
+                  *params = 1.0;
+               else if (texUnit->CombineScaleShiftRGB == 1)
+                  *params = 2.0;
+               else
+                  *params = 4.0;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+               return;
+            }
+            break;
+         case GL_ALPHA_SCALE:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               if (texUnit->CombineScaleShiftA == 0)
+                  *params = 1.0;
+               else if (texUnit->CombineScaleShiftA == 1)
+                  *params = 2.0;
+               else
+                  *params = 4.0;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+               return;
+            }
+            break;
+         default:
+            _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+      }
    }
-
-   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;
-      case GL_COMBINE_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineModeRGB;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_COMBINE_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineModeA;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE0_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceRGB[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE1_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceRGB[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE2_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceRGB[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE0_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceA[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE1_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceA[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_SOURCE2_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineSourceA[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND0_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandRGB[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND1_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandRGB[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND2_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandRGB[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND0_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandA[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND1_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandA[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-         break;
-      case GL_OPERAND2_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLfloat) texUnit->CombineOperandA[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-         }
-	 break;
-      case GL_RGB_SCALE_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            if (texUnit->CombineScaleShiftRGB == 0)
-               *params = 1.0;
-            else if (texUnit->CombineScaleShiftRGB == 1)
-               *params = 2.0;
-            else
-               *params = 4.0;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-            return;
-         }
-         break;
-      case GL_ALPHA_SCALE:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            if (texUnit->CombineScaleShiftA == 0)
-               *params = 1.0;
-            else if (texUnit->CombineScaleShiftA == 1)
-               *params = 2.0;
-            else
-               *params = 4.0;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
-            return;
-         }
-         break;
-      default:
+   else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+      /* GL_EXT_texture_lod_bias */
+      if (!ctx->Extensions.EXT_texture_lod_bias) {
+	 _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+	 return;
+      }
+      if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
+         *params = texUnit->LodBias;
+      }
+      else {
          _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+	 return;
+      }
+   }
+   else if (target == GL_POINT_SPRITE_NV) {
+      /* GL_NV_point_sprite */
+      if (!ctx->Extensions.NV_point_sprite) {
+         _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+         return;
+      }
+      if (pname == GL_COORD_REPLACE_NV) {
+         *params = (GLfloat) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit];
+      }
+      else {
+         _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+         return;
+      }
+   }
+   else {
+      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+      return;
    }
 }
 
@@ -663,179 +720,208 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
    const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   if (target != GL_TEXTURE_ENV) {
-      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
-      return;
+   if (target == GL_TEXTURE_ENV) {
+      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;
+         case GL_COMBINE_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineModeRGB;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_COMBINE_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineModeA;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE0_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceRGB[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE1_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceRGB[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE2_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceRGB[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE0_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceA[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE1_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceA[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_SOURCE2_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineSourceA[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND0_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandRGB[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND1_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandRGB[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND2_RGB_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandRGB[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND0_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandA[0];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND1_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandA[1];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_OPERAND2_ALPHA_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               *params = (GLint) texUnit->CombineOperandA[2];
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+            }
+            break;
+         case GL_RGB_SCALE_EXT:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               if (texUnit->CombineScaleShiftRGB == 0)
+                  *params = 1;
+               else if (texUnit->CombineScaleShiftRGB == 1)
+                  *params = 2;
+               else
+                  *params = 4;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+               return;
+            }
+            break;
+         case GL_ALPHA_SCALE:
+            if (ctx->Extensions.EXT_texture_env_combine ||
+                ctx->Extensions.ARB_texture_env_combine) {
+               if (texUnit->CombineScaleShiftA == 0)
+                  *params = 1;
+               else if (texUnit->CombineScaleShiftA == 1)
+                  *params = 2;
+               else
+                  *params = 4;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+               return;
+            }
+            break;
+         default:
+            _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+      }
    }
-
-   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;
-      case GL_COMBINE_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineModeRGB;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_COMBINE_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineModeA;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE0_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceRGB[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE1_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceRGB[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE2_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceRGB[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE0_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceA[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE1_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceA[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_SOURCE2_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineSourceA[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND0_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandRGB[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND1_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandRGB[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND2_RGB_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandRGB[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND0_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandA[0];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND1_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandA[1];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-         break;
-      case GL_OPERAND2_ALPHA_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            *params = (GLint) texUnit->CombineOperandA[2];
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-         }
-	 break;
-      case GL_RGB_SCALE_EXT:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            if (texUnit->CombineScaleShiftRGB == 0)
-               *params = 1;
-            else if (texUnit->CombineScaleShiftRGB == 1)
-               *params = 2;
-            else
-               *params = 4;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-            return;
-         }
-         break;
-      case GL_ALPHA_SCALE:
-         if (ctx->Extensions.EXT_texture_env_combine ||
-             ctx->Extensions.ARB_texture_env_combine) {
-            if (texUnit->CombineScaleShiftA == 0)
-               *params = 1;
-            else if (texUnit->CombineScaleShiftA == 1)
-               *params = 2;
-            else
-               *params = 4;
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
-            return;
-         }
-         break;
-      default:
+   else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+      /* GL_EXT_texture_lod_bias */
+      if (!ctx->Extensions.EXT_texture_lod_bias) {
+	 _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+	 return;
+      }
+      if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
+         *params = (GLint) texUnit->LodBias;
+      }
+      else {
          _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+	 return;
+      }
+   }
+   else if (target == GL_POINT_SPRITE_NV) {
+      /* GL_NV_point_sprite */
+      if (!ctx->Extensions.NV_point_sprite) {
+         _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+         return;
+      }
+      if (pname == GL_COORD_REPLACE_NV) {
+         *params = (GLint) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit];
+      }
+      else {
+         _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+         return;
+      }
+   }
+   else {
+      _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+      return;
    }
 }