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authorBrian Paul <brian.paul@tungstengraphics.com>2001-07-13 20:07:37 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2001-07-13 20:07:37 +0000
commitf431a3fb4dc1bf860203d79e54657e3a62bc50df (patch)
tree51a598faf5e8b971b2bd7cf85702e021426f54c6 /src/mesa/swrast/s_blend.c
parentbc07a99cc3faeb1aa48700065b34baa76c201e7d (diff)
assorted changes for supporting GLfloat color channels (not done)
Diffstat (limited to 'src/mesa/swrast/s_blend.c')
-rw-r--r--src/mesa/swrast/s_blend.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_blend.c b/src/mesa/swrast/s_blend.c
index 73ca3d1c52..3c0e64a5fe 100644
--- a/src/mesa/swrast/s_blend.c
+++ b/src/mesa/swrast/s_blend.c
@@ -1,4 +1,4 @@
-/* $Id: s_blend.c,v 1.7 2001/03/19 02:25:36 keithw Exp $ */
+/* $Id: s_blend.c,v 1.8 2001/07/13 20:07:37 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -216,6 +216,12 @@ blend_modulate( GLcontext *ctx, GLuint n, const GLubyte mask[],
for (i=0;i<n;i++) {
if (mask[i]) {
+#if CHAN_TYPE == GL_FLOAT
+ rgba[i][RCOMP] = rgba[i][RCOMP] * dest[i][RCOMP];
+ rgba[i][GCOMP] = rgba[i][GCOMP] * dest[i][GCOMP];
+ rgba[i][BCOMP] = rgba[i][BCOMP] * dest[i][BCOMP];
+ rgba[i][ACOMP] = rgba[i][ACOMP] * dest[i][ACOMP];
+#else
GLint r = (rgba[i][RCOMP] * dest[i][RCOMP]) >> 8;
GLint g = (rgba[i][GCOMP] * dest[i][GCOMP]) >> 8;
GLint b = (rgba[i][BCOMP] * dest[i][BCOMP]) >> 8;
@@ -224,6 +230,7 @@ blend_modulate( GLcontext *ctx, GLuint n, const GLubyte mask[],
rgba[i][GCOMP] = (GLchan) g;
rgba[i][BCOMP] = (GLchan) b;
rgba[i][ACOMP] = (GLchan) a;
+#endif
}
}
}