From 4250c7acacc35f29a3716f96b8e4fa31d9d30d2b Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 17 Feb 2004 04:26:42 +0000
Subject: [PATCH] some debug code

---
 src/mesa/main/feedback.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/mesa/main/feedback.c b/src/mesa/main/feedback.c
index 69b235a..48c2ccb 100644
--- a/src/mesa/main/feedback.c
+++ b/src/mesa/main/feedback.c
@@ -126,8 +126,20 @@ void _mesa_feedback_vertex( GLcontext *ctx,
                             GLfloat index,
                             const GLfloat texcoord[4] )
 {
+#if 0
+   {
+      /* snap window x, y to fractional pixel position */
+      const GLint snapMask = ~((FIXED_ONE / (1 << SUB_PIXEL_BITS)) - 1);
+      GLfixed x, y;
+      x = FloatToFixed(win[0]) & snapMask;
+      y = FloatToFixed(win[1]) & snapMask;
+      FEEDBACK_TOKEN(ctx, FixedToFloat(x));
+      FEEDBACK_TOKEN(ctx, FixedToFloat(y) );
+   }
+#else
    FEEDBACK_TOKEN( ctx, win[0] );
    FEEDBACK_TOKEN( ctx, win[1] );
+#endif
    if (ctx->Feedback._Mask & FB_3D) {
       FEEDBACK_TOKEN( ctx, win[2] );
    }
-- 
2.7.4