tweaked truecolor dither kernel setup code

This commit is contained in:
Brian Paul
2000-12-13 00:47:10 +00:00
parent 062bc07bde
commit 3cbbef53bc

View File

@@ -1,4 +1,4 @@
/* $Id: xm_api.c,v 1.11 2000/12/08 17:37:00 brianp Exp $ */
/* $Id: xm_api.c,v 1.12 2000/12/13 00:47:10 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1067,7 +1067,7 @@ static void setup_truecolor( XMesaVisual v, XMesaBuffer buffer,
GLint rBits = bitcount(rmask);
GLint gBits = bitcount(gmask);
GLint bBits = bitcount(bmask);
GLint minBits;
GLint maxBits;
GLuint i;
/* convert pixel components in [0,_mask] to RGB values in [0,255] */
@@ -1096,11 +1096,11 @@ static void setup_truecolor( XMesaVisual v, XMesaBuffer buffer,
}
/* setup dithering kernel */
minBits = rBits;
if (gBits < minBits) minBits = gBits;
if (bBits < minBits) minBits = bBits;
maxBits = rBits;
if (gBits > maxBits) maxBits = gBits;
if (bBits > maxBits) maxBits = bBits;
for (i=0;i<16;i++) {
v->Kernel[i] = kernel[i] >> minBits;
v->Kernel[i] = kernel[i] >> maxBits;
}
v->undithered_pf = PF_TRUECOLOR;