From f3365bceb881b7a5cdd47e6c102ca37454453ce9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <maraeo@gmail.com>
Date: Tue, 9 Mar 2010 04:40:55 +0100
Subject: [PATCH] draw: quads never provoke the first vertex

---
 .../auxiliary/draw/draw_pt_decompose.h        | 40 +++++--------------
 .../auxiliary/draw/draw_pt_vcache_tmp.h       | 38 +++++-------------
 2 files changed, 20 insertions(+), 58 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pt_decompose.h b/src/gallium/auxiliary/draw/draw_pt_decompose.h
index 4ca5b520204..3c44f7c11ee 100644
--- a/src/gallium/auxiliary/draw/draw_pt_decompose.h
+++ b/src/gallium/auxiliary/draw/draw_pt_decompose.h
@@ -105,40 +105,20 @@ static void FUNC( ARGS,
 
 
    case PIPE_PRIM_QUADS:
-      if (flatfirst) {
-         for (i = 0; i+3 < count; i += 4) {
-            QUAD( (i + 1),
-                  (i + 2),
-                  (i + 3),
-                  (i + 0) );
-         }
-      }
-      else {
-         for (i = 0; i+3 < count; i += 4) {
-            QUAD( (i + 0),
-                  (i + 1),
-                  (i + 2),
-                  (i + 3));
-         }
+      for (i = 0; i+3 < count; i += 4) {
+         QUAD( (i + 0),
+               (i + 1),
+               (i + 2),
+               (i + 3));
       }
       break;
 
    case PIPE_PRIM_QUAD_STRIP:
-      if (flatfirst) {
-         for (i = 0; i+3 < count; i += 2) {
-            QUAD( (i + 1),
-                  (i + 3),
-                  (i + 2),
-                  (i + 0) );
-         }
-      }
-      else {
-         for (i = 0; i+3 < count; i += 2) {
-            QUAD( (i + 2),
-                  (i + 0),
-                  (i + 1),
-                  (i + 3));
-         }
+      for (i = 0; i+3 < count; i += 2) {
+         QUAD( (i + 2),
+               (i + 0),
+               (i + 1),
+               (i + 3));
       }
       break;
 
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h b/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
index 62822a3d562..7cba8547f15 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
+++ b/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
@@ -118,39 +118,21 @@ static void FUNC( struct draw_pt_front_end *frontend,
 
    case PIPE_PRIM_QUADS:
       for (i = 0; i+3 < count; i += 4) {
-         if (flatfirst) {
-            QUAD( vcache,
-                  get_elt(elts, i + 0),
-                  get_elt(elts, i + 1),
-                  get_elt(elts, i + 2),
-                  get_elt(elts, i + 3) );
-         }
-         else {
-            QUAD( vcache,
-                  get_elt(elts, i + 0),
-                  get_elt(elts, i + 1),
-                  get_elt(elts, i + 2),
-                  get_elt(elts, i + 3) );
-         }
+         QUAD( vcache,
+               get_elt(elts, i + 0),
+               get_elt(elts, i + 1),
+               get_elt(elts, i + 2),
+               get_elt(elts, i + 3) );
       }
       break;
 
    case PIPE_PRIM_QUAD_STRIP:
       for (i = 0; i+3 < count; i += 2) {
-         if (flatfirst) {
-            QUAD( vcache,
-                  get_elt(elts, i + 0),
-                  get_elt(elts, i + 1),
-                  get_elt(elts, i + 3),
-                  get_elt(elts, i + 2) );
-         }
-         else {
-            QUAD( vcache,
-                  get_elt(elts, i + 2),
-                  get_elt(elts, i + 0),
-                  get_elt(elts, i + 1),
-                  get_elt(elts, i + 3) );
-         }
+         QUAD( vcache,
+               get_elt(elts, i + 2),
+               get_elt(elts, i + 0),
+               get_elt(elts, i + 1),
+               get_elt(elts, i + 3) );
       }
       break;
 
-- 
2.30.2