From c4fe46f0b8b45407ea40500b869ae1beca71063c Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 27 Apr 2006 02:50:31 +0000
Subject: fixes for CHAN_BITS!=8

---
 src/mesa/swrast/s_texcombine.c | 41 +++++++++++++++++++++++------------------
 1 file changed, 23 insertions(+), 18 deletions(-)

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

diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index 3c9fdc4d75..db77ad8bc3 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -36,6 +36,11 @@
 
 #define PROD(A,B)   ( (GLuint)(A) * ((GLuint)(B)+1) )
 #define S_PROD(A,B) ( (GLint)(A) * ((GLint)(B)+1) )
+#if CHAN_BITS == 32
+typedef GLfloat ChanTemp;
+#else
+typedef GLuint ChanTemp;
+#endif
 
 
 /**
@@ -996,10 +1001,10 @@ texture_apply( const GLcontext *ctx,
                break;
             case GL_LUMINANCE:
                for (i=0;i<n;i++) {
-                  GLuint Lt = texel[i][RCOMP];
-                  GLuint r = rgba[i][RCOMP] + Lt;
-                  GLuint g = rgba[i][GCOMP] + Lt;
-                  GLuint b = rgba[i][BCOMP] + Lt;
+                  ChanTemp Lt = texel[i][RCOMP];
+                  ChanTemp r = rgba[i][RCOMP] + Lt;
+                  ChanTemp g = rgba[i][GCOMP] + Lt;
+                  ChanTemp b = rgba[i][BCOMP] + Lt;
                   rgba[i][RCOMP] = MIN2(r, CHAN_MAX);
                   rgba[i][GCOMP] = MIN2(g, CHAN_MAX);
                   rgba[i][BCOMP] = MIN2(b, CHAN_MAX);
@@ -1008,10 +1013,10 @@ texture_apply( const GLcontext *ctx,
                break;
             case GL_LUMINANCE_ALPHA:
                for (i=0;i<n;i++) {
-                  GLuint Lt = texel[i][RCOMP];
-                  GLuint r = rgba[i][RCOMP] + Lt;
-                  GLuint g = rgba[i][GCOMP] + Lt;
-                  GLuint b = rgba[i][BCOMP] + Lt;
+                  ChanTemp Lt = texel[i][RCOMP];
+                  ChanTemp r = rgba[i][RCOMP] + Lt;
+                  ChanTemp g = rgba[i][GCOMP] + Lt;
+                  ChanTemp b = rgba[i][BCOMP] + Lt;
                   rgba[i][RCOMP] = MIN2(r, CHAN_MAX);
                   rgba[i][GCOMP] = MIN2(g, CHAN_MAX);
                   rgba[i][BCOMP] = MIN2(b, CHAN_MAX);
@@ -1021,10 +1026,10 @@ texture_apply( const GLcontext *ctx,
             case GL_INTENSITY:
                for (i=0;i<n;i++) {
                   GLchan It = texel[i][RCOMP];
-                  GLuint r = rgba[i][RCOMP] + It;
-                  GLuint g = rgba[i][GCOMP] + It;
-                  GLuint b = rgba[i][BCOMP] + It;
-                  GLuint a = rgba[i][ACOMP] + It;
+                  ChanTemp r = rgba[i][RCOMP] + It;
+                  ChanTemp g = rgba[i][GCOMP] + It;
+                  ChanTemp b = rgba[i][BCOMP] + It;
+                  ChanTemp a = rgba[i][ACOMP] + It;
                   rgba[i][RCOMP] = MIN2(r, CHAN_MAX);
                   rgba[i][GCOMP] = MIN2(g, CHAN_MAX);
                   rgba[i][BCOMP] = MIN2(b, CHAN_MAX);
@@ -1033,9 +1038,9 @@ texture_apply( const GLcontext *ctx,
                break;
 	    case GL_RGB:
 	       for (i=0;i<n;i++) {
-                  GLuint r = rgba[i][RCOMP] + texel[i][RCOMP];
-                  GLuint g = rgba[i][GCOMP] + texel[i][GCOMP];
-                  GLuint b = rgba[i][BCOMP] + texel[i][BCOMP];
+                  ChanTemp r = rgba[i][RCOMP] + texel[i][RCOMP];
+                  ChanTemp g = rgba[i][GCOMP] + texel[i][GCOMP];
+                  ChanTemp b = rgba[i][BCOMP] + texel[i][BCOMP];
 		  rgba[i][RCOMP] = MIN2(r, CHAN_MAX);
 		  rgba[i][GCOMP] = MIN2(g, CHAN_MAX);
 		  rgba[i][BCOMP] = MIN2(b, CHAN_MAX);
@@ -1044,9 +1049,9 @@ texture_apply( const GLcontext *ctx,
 	       break;
 	    case GL_RGBA:
 	       for (i=0;i<n;i++) {
-                  GLuint r = rgba[i][RCOMP] + texel[i][RCOMP];
-                  GLuint g = rgba[i][GCOMP] + texel[i][GCOMP];
-                  GLuint b = rgba[i][BCOMP] + texel[i][BCOMP];
+                  ChanTemp r = rgba[i][RCOMP] + texel[i][RCOMP];
+                  ChanTemp g = rgba[i][GCOMP] + texel[i][GCOMP];
+                  ChanTemp b = rgba[i][BCOMP] + texel[i][BCOMP];
 		  rgba[i][RCOMP] = MIN2(r, CHAN_MAX);
 		  rgba[i][GCOMP] = MIN2(g, CHAN_MAX);
 		  rgba[i][BCOMP] = MIN2(b, CHAN_MAX);
-- 
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