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tweaked truecolor dither kernel setup code

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This commit is contained in:
Brian Paul 2000-12-13 00:47:10 +00:00
parent 062bc07bde
commit 3cbbef53bc
1 changed files with 6 additions and 6 deletions
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12
src/mesa/drivers/x11/xm_api.c
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@ -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 * Mesa 3-D graphics library
@ -1067,7 +1067,7 @@ static void setup_truecolor( XMesaVisual v, XMesaBuffer buffer,
GLint rBits = bitcount(rmask); GLint rBits = bitcount(rmask);
GLint gBits = bitcount(gmask); GLint gBits = bitcount(gmask);
GLint bBits = bitcount(bmask); GLint bBits = bitcount(bmask);
GLint minBits; GLint maxBits;
GLuint i; GLuint i;
/* convert pixel components in [0,_mask] to RGB values in [0,255] */ /* 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 */ /* setup dithering kernel */
minBits = rBits; maxBits = rBits;
if (gBits < minBits) minBits = gBits; if (gBits > maxBits) maxBits = gBits;
if (bBits < minBits) minBits = bBits; if (bBits > maxBits) maxBits = bBits;
for (i=0;i<16;i++) { for (i=0;i<16;i++) {
v->Kernel[i] = kernel[i] >> minBits; v->Kernel[i] = kernel[i] >> maxBits;
} }
v->undithered_pf = PF_TRUECOLOR; v->undithered_pf = PF_TRUECOLOR;