replaced experimental MESA_sprite_point with NV_point_sprite

diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index 5e6da38d98d44a625966d5cf23b10ff384110871..9a13aa7691411371ab41319d1724f3606d7caad5 100644 (file)
--- 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 37c572226db2970ddb6692f21aaa062d48a0c8fb..96dafac0adeb368516742b317935abf0646cecc3 100644 (file)
--- 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 b4e746d769a3bcdf36951a3ea0cfb5ba3422a5be..420bfa46914f3b1e8e196f579f225891ea18240a 100644 (file)
--- 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 af870e1639aafc1abdf4be22cddf5a6843b435e4..87db3d5a6f2fcf6ecc4b26792a72fce2b2a30483 100644 (file)
--- 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 96984359c18a99e857b25cabf45a6e18632db49d..c86bf7ce2d4725dcf36b0d31f69b21eb1e6a9022 100644 (file)
--- 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 0b63eab77c3418293538432bde998f8c365803e5..0705f884e68a09c5fedfafcd1ceaaf02cd0b3e9c 100644 (file)
--- 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 93f217f57c95468e54c38e32f9911c0049f6c6b2..2864e65b47d0fb50d4c964d01f0529da970fd846 100644 (file)
--- 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 a3e678811d5b7c6d658fe2eb502104e9983b0a53..cf9922479d5592c9f07ee8c9fafdee0fad5e5748 100644 (file)
--- 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
@@ -70,6 +70,29 @@ _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.
  */
@@ -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 55407491bb06ea2ed621e906acb59095abdcda1e..02a542feb9abb0a660235490f9866e5237b4c38d 100644 (file)
--- 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 67cb4022dc142220acc5eaa130f3855fde42d454..fe6d9157dee3ab9cff937e3dbac76fd7cd8e14e0 100644 (file)
--- 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;
    }
 }
 

diff --git a/src/mesa/swrast/s_points.c b/src/mesa/swrast/s_points.c
index 2eac602f1bda04e5d89c10e12098f5467712c834..d84fc7bd94effc58e78547f1180f222ddb852725 100644 (file)
--- a/src/mesa/swrast/s_points.c
+++ b/src/mesa/swrast/s_points.c
@@ -1,4 +1,4 @@
-/* $Id: s_points.c,v 1.17 2002/02/02 17:24:11 brianp Exp $ */
+/* $Id: s_points.c,v 1.18 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -147,12 +147,12 @@
 /*
  * Sprite (textured point)
  */
-#define FLAGS (RGBA | TEXTURE | SPRITE)
+#define FLAGS (RGBA | SPRITE)
 #define NAME sprite_point
 #include "s_pointtemp.h"
 
 
-#define FLAGS (RGBA | ATTENUATE | TEXTURE | SPRITE)
+#define FLAGS (RGBA | ATTENUATE | SPRITE)
 #define NAME atten_sprite_point
 #include "s_pointtemp.h"
 
@@ -201,7 +201,8 @@ _swrast_choose_point( GLcontext *ctx )
    GLboolean rgbMode = ctx->Visual.rgbMode;
 
    if (ctx->RenderMode==GL_RENDER) {
-      if (ctx->Point.SpriteMode) {
+      if (ctx->Point.PointSprite) {
+         /* GL_NV_point_sprite */
          /* XXX this might not be good enough */
          if (ctx->Point._Attenuated)
             USE(atten_sprite_point);

diff --git a/src/mesa/swrast/s_pointtemp.h b/src/mesa/swrast/s_pointtemp.h
index 2e0618587e4beb5de894e8fc23ce0ca13664cf84..1865e1a7d3a2fa4520087f04ad8f34dc3d9c6ee2 100644 (file)
--- a/src/mesa/swrast/s_pointtemp.h
+++ b/src/mesa/swrast/s_pointtemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_pointtemp.h,v 1.15 2002/04/19 14:05:50 brianp Exp $ */
+/* $Id: s_pointtemp.h,v 1.16 2002/05/27 17:04:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -36,7 +36,7 @@
  *   SPECULAR = do separate specular color
  *   LARGE = do points with diameter > 1 pixel
  *   ATTENUATE = compute point size attenuation
- *   SPRITE = GL_MESA_sprite_point
+ *   SPRITE = GL_NV_point_sprite
  *
  * Notes: LARGE and ATTENUATE are exclusive of each other.
  *        TEXTURE requires RGBA
@@ -64,7 +64,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 #if FLAGS & TEXTURE
    GLuint u;
 #endif
-#if FLAGS & (ATTENUATE | LARGE | SMOOTH)
+#if FLAGS & (ATTENUATE | LARGE | SMOOTH | SPRITE)
    GLfloat size;
 #endif
 #if FLAGS & ATTENUATE
@@ -93,8 +93,10 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 
 #if (FLAGS & RGBA)
 #if (FLAGS & SMOOTH)
+   /* because we need per-fragment alpha values */
    span->arrayMask |= SPAN_RGBA;
 #else
+   /* same RGBA for all fragments */
    span->interpMask |= SPAN_RGBA;
    span->red = ChanToFixed(vert->color[0]);
    span->green = ChanToFixed(vert->color[1]);
@@ -116,6 +118,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
    span->indexStep = 0;
 #endif
 #if FLAGS & TEXTURE
+   /* but not used for sprite mode */
    span->interpMask |= SPAN_TEXTURE;
    for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
       if (ctx->Texture.Unit[u]._ReallyEnabled) {
@@ -135,6 +138,9 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 #if FLAGS & SMOOTH
    span->arrayMask |= SPAN_COVERAGE;
 #endif
+#if FLAGS & SPRITE
+   span->arrayMask |= SPAN_TEXTURE;
+#endif
 
 #if FLAGS & ATTENUATE
    if (vert->pointSize >= ctx->Point.Threshold) {
@@ -146,68 +152,11 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
       size = MAX2(ctx->Point.Threshold, ctx->Point.MinSize);
       alphaAtten = dsize * dsize;
    }
-#elif FLAGS & (LARGE | SMOOTH)
+#elif FLAGS & (LARGE | SMOOTH | SPRITE)
    size = ctx->Point._Size;
 #endif
 
-#if FLAGS & SPRITE
-   {
-      SWcontext *swctx = SWRAST_CONTEXT(ctx);
-      const GLfloat radius = 0.5F * vert->pointSize; /* XXX threshold, alpha */
-      SWvertex v0, v1, v2, v3;
-      GLuint unit;
-
-#if (FLAGS & RGBA) && (FLAGS & SMOOTH)
-      (void) red;
-      (void) green;
-      (void) blue;
-      (void) alpha;
-#endif
-
-      /* lower left corner */
-      v0 = *vert;
-      v0.win[0] -= radius;
-      v0.win[1] -= radius;
-
-      /* lower right corner */
-      v1 = *vert;
-      v1.win[0] += radius;
-      v1.win[1] -= radius;
-
-      /* upper right corner */
-      v2 = *vert;
-      v2.win[0] += radius;
-      v2.win[1] += radius;
-
-      /* upper left corner */
-      v3 = *vert;
-      v3.win[0] -= radius;
-      v3.win[1] += radius;
-
-      for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
-         if (ctx->Texture.Unit[unit]._ReallyEnabled) {
-            v0.texcoord[unit][0] = 0.0;
-            v0.texcoord[unit][1] = 0.0;
-            v1.texcoord[unit][0] = 1.0;
-            v1.texcoord[unit][1] = 0.0;
-            v2.texcoord[unit][0] = 1.0;
-            v2.texcoord[unit][1] = 1.0;
-            v3.texcoord[unit][0] = 0.0;
-            v3.texcoord[unit][1] = 1.0;
-         }
-      }
-
-      /* XXX if radius < threshold, attenuate alpha? */
-
-      /* XXX need to implement clipping!!! */
-
-      /* render */
-      swctx->Triangle(ctx, &v0, &v1, &v2);
-      swctx->Triangle(ctx, &v0, &v2, &v3);
-   }
-
-#elif FLAGS & (LARGE | ATTENUATE | SMOOTH)
-
+#if FLAGS & (LARGE | ATTENUATE | SMOOTH | SPRITE)
    {
       GLint x, y;
       const GLfloat radius = 0.5F * size;
@@ -249,6 +198,9 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
       (void) radius;
       for (y = ymin; y <= ymax; y++) {
          for (x = xmin; x <= xmax; x++) {
+#if FLAGS & SPRITE
+            GLuint u;
+#endif
 #if FLAGS & SMOOTH
             /* compute coverage */
             const GLfloat dx = x - vert->win[0] + 0.5F;
@@ -284,10 +236,32 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
                count++;
             } /*if*/
 #else /*SMOOTH*/
-            /* not smooth (square points */
+            /* not smooth (square points) */
             span->xArray[count] = x;
             span->yArray[count] = y;
             span->zArray[count] = z;
+#if FLAGS & SPRITE
+            for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+               if (ctx->Texture.Unit[u]._ReallyEnabled) {
+                  if (ctx->Point.CoordReplace[u]) {
+                     GLfloat s = 0.5F + (x + 0.5F - vert->win[0]) / size;
+                     GLfloat t = 0.5F - (y + 0.5F - vert->win[1]) / size;
+                     span->texcoords[u][count][0] = s;
+                     span->texcoords[u][count][1] = t;
+                     span->texcoords[u][count][3] = 1.0F;
+                     if (ctx->Point.SpriteRMode == GL_ZERO)
+                        span->texcoords[u][count][2] = 0.0F;
+                     else if (ctx->Point.SpriteRMode == GL_S)
+                        span->texcoords[u][count][2] = vert->texcoord[u][0];
+                     else /* GL_R */
+                        span->texcoords[u][count][2] = vert->texcoord[u][2];
+                  }
+                  else {
+                     COPY_4V(span->texcoords[u][count], vert->texcoord[u]);
+                  }
+               }
+            }
+#endif /*SPRITE*/
             count++;
 #endif /*SMOOTH*/
         } /*for x*/
@@ -295,7 +269,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
       span->end = count;
    }
 
-#else /* LARGE || ATTENUATE || SMOOTH*/
+#else /* LARGE | ATTENUATE | SMOOTH | SPRITE */
 
    {
       /* size == 1 */
@@ -309,7 +283,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert )
 
    ASSERT(span->end > 0);
 
-#if FLAGS & TEXTURE
+#if FLAGS & (TEXTURE | SPRITE)
    if (ctx->Texture._ReallyEnabled)
       _mesa_write_texture_span(ctx, span);
    else