From fc80ad6e62fb2b53d53756593099330477a44c52 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 4 Oct 2002 19:10:06 +0000
Subject: Changed a number of context fields from GLchan to GLfloat (such as
 ClearColor). Also changed parameter types for some driver functions (like
 ctx->Driver.Clear- Color).  Updated all the device drivers. Someday, we want
 to support 8, 16 and 32-bit channels dynamically at runtime.

---
 src/mesa/swrast/s_alpha.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/mesa/swrast/s_alpha.c')

diff --git a/src/mesa/swrast/s_alpha.c b/src/mesa/swrast/s_alpha.c
index 79e27d5755e..5cbfe8617a5 100644
--- a/src/mesa/swrast/s_alpha.c
+++ b/src/mesa/swrast/s_alpha.c
@@ -1,4 +1,4 @@
-/* $Id: s_alpha.c,v 1.11 2002/08/07 00:45:07 brianp Exp $ */
+/* $Id: s_alpha.c,v 1.12 2002/10/04 19:10:12 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -50,11 +50,13 @@ GLint
 _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span )
 {
    const GLchan (*rgba)[4] = (const GLchan (*)[4]) span->array->rgba;
-   const GLchan ref = ctx->Color.AlphaRef;
+   GLchan ref;
    const GLuint n = span->end;
    GLubyte *mask = span->array->mask;
    GLuint i;
 
+   CLAMPED_FLOAT_TO_CHAN(ref, ctx->Color.AlphaRef);
+
    if (span->arrayMask & SPAN_RGBA) {
       /* Use the array values */
       switch (ctx->Color.AlphaFunc) {
-- 
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