diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-10-17 15:26:38 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-10-17 15:26:38 +0000 |
| commit | 10d343f407bddf011be3d2b79a6541815759785a (patch) | |
| tree | 9953198b654f697621d2f6d5a8eff9ea0da0419d /src/mesa/drivers/osmesa/osmesa.c | |
| parent | 673077c613319218be6e9dcee55035d471f87977 (diff) | |
patches from Gerk Huisma for float-channel rendering
Diffstat (limited to 'src/mesa/drivers/osmesa/osmesa.c')
| -rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index ff966c3f03..cc2081129d 100644 --- a/src/mesa/drivers/osmesa/osmesa.c +++ b/src/mesa/drivers/osmesa/osmesa.c @@ -1,4 +1,4 @@ -/* $Id: osmesa.c,v 1.91 2002/10/14 17:08:27 brianp Exp $ */ +/* $Id: osmesa.c,v 1.92 2002/10/17 15:26:38 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -672,12 +672,12 @@ OSMesaGetProcAddress( const char *funcName ) */ #if CHAN_TYPE == GL_FLOAT -#define PACK_RGBA(DST, R, G, B, A) \ -do { \ - (DST)[0] = (R < 0.0f) ? 0.0f : ((R > 1.0f) ? 1.0f : R); \ - (DST)[1] = (G < 0.0f) ? 0.0f : ((G > 1.0f) ? 1.0f : G); \ - (DST)[2] = (B < 0.0f) ? 0.0f : ((B > 1.0f) ? 1.0f : B); \ - (DST)[3] = (A < 0.0f) ? 0.0f : ((A > 1.0f) ? 1.0f : A); \ +#define PACK_RGBA(DST, R, G, B, A) \ +do { \ + (DST)[0] = MAX2( R, 0.0F ); \ + (DST)[1] = MAX2( G, 0.0F ); \ + (DST)[2] = MAX2( B, 0.0F ); \ + (DST)[3] = CLAMP(A, 0.0F, CHAN_MAXF);\ } while (0) #else #define PACK_RGBA(DST, R, G, B, A) \ |