TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-01 01:07:51 -04:00
Code Issues Packages Projects Releases Wiki Activity

fix alpha blending issue

Browse Source
This commit is contained in:
David Rose 2008-05-05 19:09:16 +00:00
parent 9c1fe2fed9
commit d031eb8688
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
panda/src/tinydisplay/zbuffer.h
View File

@ -72,9 +72,9 @@ typedef unsigned int PIXEL;
(PIXEL_B(p1) * PIXEL_B(p2)) >> 16)
#define PIXEL_BLEND(r1, g1, b1, r2, g2, b2, a2) \
RGBA_TO_PIXEL(((r1) * (0xff00 - (a2)) + (r2) * (a2)) >> 16, \
((g1) * (0xff00 - (a2)) + (g2) * (a2)) >> 16, \
((b1) * (0xff00 - (a2)) + (b2) * (a2)) >> 16, \
RGBA_TO_PIXEL(((r1) * (0xffff - (a2)) + (r2) * (a2)) >> 16, \
((g1) * (0xffff - (a2)) + (g2) * (a2)) >> 16, \
((b1) * (0xffff - (a2)) + (b2) * (a2)) >> 16, \
a2)
#define PIXEL_BLEND_RGB(rgb, r, g, b, a) \
PIXEL_BLEND(PIXEL_R(rgb), PIXEL_G(rgb), PIXEL_B(rgb), r, g, b, a)