From fb7899bfec447e5840c2c1ea96619084093be424 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 8 Dec 2000 00:18:39 +0000
Subject: Compute attenuated point size in a new pipeline stage. Store computed
 point size in the SWvertex struct.

---
 src/mesa/swrast_setup/ss_vb.c    | 18 +++++++++---------
 src/mesa/swrast_setup/ss_vbtmp.h |  8 +++++++-
 2 files changed, 16 insertions(+), 10 deletions(-)

(limited to 'src/mesa/swrast_setup')

diff --git a/src/mesa/swrast_setup/ss_vb.c b/src/mesa/swrast_setup/ss_vb.c
index ff1916174b..25f2299f47 100644
--- a/src/mesa/swrast_setup/ss_vb.c
+++ b/src/mesa/swrast_setup/ss_vb.c
@@ -53,7 +53,7 @@ typedef void (*SetupFunc)( struct vertex_buffer *VB,
 #define MULTITEX      0x8
 #define SPEC          0x10
 #define FOG           0x20
-#define EYE           0x40
+#define POINT         0x40
 #define MAX_SETUPFUNC 0x80
 
 static SetupFunc setup_func[MAX_SETUPFUNC];
@@ -87,12 +87,12 @@ static SetupFunc setup_func[MAX_SETUPFUNC];
 #define TAG(x) x##_multitex_color_spec_fog
 #include "ss_vbtmp.h"
 
-#define IND (TEX0|COLOR|EYE)
-#define TAG(x) x##_tex0_color_eye
+#define IND (TEX0|COLOR|POINT)
+#define TAG(x) x##_tex0_color_point
 #include "ss_vbtmp.h"
 
-#define IND (MULTITEX|COLOR|SPEC|INDEX|EYE|FOG)
-#define TAG(x) x##_multitex_color_spec_index_eye_fog
+#define IND (MULTITEX|COLOR|SPEC|INDEX|POINT|FOG)
+#define TAG(x) x##_multitex_color_spec_index_point_fog
 #include "ss_vbtmp.h"
 
 #define IND (COLOR|INDEX|TEX0)
@@ -108,7 +108,7 @@ _swsetup_vb_init( GLcontext *ctx )
    (void) ctx;
 
    for (i = 0 ; i < Elements(setup_func) ; i++)
-      setup_func[i] = rs_multitex_color_spec_index_eye_fog;
+      setup_func[i] = rs_multitex_color_spec_index_point_fog;
 
    /* Some specialized cases:
     */
@@ -143,8 +143,8 @@ _swsetup_vb_init( GLcontext *ctx )
    setup_func[MULTITEX|SPEC|FOG]        = rs_multitex_color_spec_fog;
    setup_func[MULTITEX|COLOR|SPEC|FOG]  = rs_multitex_color_spec_fog;
 
-   setup_func[TEX0|EYE]       = rs_tex0_color_eye;
-   setup_func[TEX0|COLOR|EYE] = rs_tex0_color_eye;
+   setup_func[TEX0|POINT]       = rs_tex0_color_point;
+   setup_func[TEX0|COLOR|POINT] = rs_tex0_color_point;
 
    setup_func[COLOR|INDEX|TEX0] = rs_selection_feedback;
 }
@@ -174,7 +174,7 @@ _swsetup_choose_rastersetup_func(GLcontext *ctx)
       }
 
       if (ctx->Point._Attenuated)
-	 funcindex |= EYE;
+         funcindex |= POINT;
 
       if (ctx->Fog.Enabled)
 	 funcindex |= FOG;
diff --git a/src/mesa/swrast_setup/ss_vbtmp.h b/src/mesa/swrast_setup/ss_vbtmp.h
index 1303883f4f..7ed4d51441 100644
--- a/src/mesa/swrast_setup/ss_vbtmp.h
+++ b/src/mesa/swrast_setup/ss_vbtmp.h
@@ -38,6 +38,7 @@ static void TAG(rs)(struct vertex_buffer *VB, GLuint start, GLuint end)
    GLubyte (*spec)[4];
    GLuint *index;
    GLfloat *fog;
+   GLfloat *pointSize;
    GLuint sz[MAX_TEXTURE_UNITS];
    GLuint szeye;
    int i;
@@ -79,6 +80,7 @@ static void TAG(rs)(struct vertex_buffer *VB, GLuint start, GLuint end)
    color = VB->Color[0]->data;
    spec = VB->SecondaryColor[0]->data;
    index = VB->Index[0]->data;
+   pointSize = VB->PointSize.data;
 
    v = &(SWSETUP_VB(VB)->verts[start]);
 
@@ -86,9 +88,10 @@ static void TAG(rs)(struct vertex_buffer *VB, GLuint start, GLuint end)
       if (VB->ClipMask[i] == 0) {
 	 COPY_4FV( v->win, win[i] );
 	 
+#if 0
 	 if (IND & EYE) 
 	    COPY_4FV( v->eye, eye[i] );
-
+#endif
 	 if (IND & TEX0) 
 	    COPY_CLEAN_4V( v->texcoord[0], sz[0], tc[0][i] );
 
@@ -110,6 +113,9 @@ static void TAG(rs)(struct vertex_buffer *VB, GLuint start, GLuint end)
 
 	 if (IND & INDEX)
 	    v->index = index[i]; 
+
+         if (IND & POINT)
+            v->pointSize = pointSize[i];
       }
    }
 }
-- 
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