diff options
Diffstat (limited to 'source/blender/render/intern/source/rendercore.c')
| -rw-r--r-- | source/blender/render/intern/source/rendercore.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c index 0b545ed73a0..4c64af0afba 100644 --- a/source/blender/render/intern/source/rendercore.c +++ b/source/blender/render/intern/source/rendercore.c @@ -50,6 +50,8 @@ #include "BKE_global.h" #include "BKE_texture.h" +#include "BLI_rand.h" + /* local include */ #include "RE_callbacks.h" #include "old_zbuffer_types.h" @@ -217,15 +219,18 @@ void RE_sky(float *view, float *col) void RE_sky_char(float *view, char *col) { float f, colf[3]; + float dither_value; + + dither_value = (BLI_frand()*R.r.dither_intensity)/256.0; RE_sky(view, colf); - f= 255.0*colf[0]; + f= 255.0*(colf[0]+dither_value); if(f<=0.0) col[0]= 0; else if(f>255.0) col[0]= 255; else col[0]= (char)f; - f= 255.0*colf[1]; + f= 255.0*(colf[1]+dither_value); if(f<=0.0) col[1]= 0; else if(f>255.0) col[1]= 255; else col[1]= (char)f; - f= 255.0*colf[2]; + f= 255.0*(colf[2]+dither_value); if(f<=0.0) col[2]= 0; else if(f>255.0) col[2]= 255; else col[2]= (char)f; col[3]= 1; /* to prevent wrong optimalisation alphaover of flares */ @@ -2846,12 +2851,21 @@ void shadepixel_short(float x, float y, int vlaknr, int mask, unsigned short *sh else shortcol[2]= 65535.0*colf[2]; if(colf[3]<=0.0) shortcol[3]= 0; else if(colf[3]>=1.0) shortcol[3]= 65535; else shortcol[3]= 65535.0*colf[3]; - + if(usegamtab) { shortcol[0]= igamtab2[ shortcol[0] ]; shortcol[1]= igamtab2[ shortcol[1] ]; shortcol[2]= igamtab2[ shortcol[2] ]; } + + if(R.r.dither_intensity!=0.0) { + short dither_value = (short)(BLI_frand()*R.r.dither_intensity*256.0); + /* no dither for color 254/255, is OK. intensity is <= 2.0 */ + if( shortcol[0] < 65000) shortcol[0]+= dither_value; + if( shortcol[1] < 65000) shortcol[1]+= dither_value; + if( shortcol[2] < 65000) shortcol[2]+= dither_value; + } + } PixStr *addpsmain() |