|
Last change
on this file since 353 was 2, checked in by Dmitry A. Kuminov, 16 years ago |
|
Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
|
|
File size:
312 bytes
|
| Line | |
|---|
| 1 | // Dca' = max(Sca.Da, Dca.Sa) + Sca.(1 - Da) + Dca.(1 - Sa)
|
|---|
| 2 | // Da' = Sa + Da - Sa.Da
|
|---|
| 3 | vec4 composite(vec4 src, vec4 dst)
|
|---|
| 4 | {
|
|---|
| 5 | vec4 result;
|
|---|
| 6 | result.rgb = max(src.rgb * dst.a, dst.rgb * src.a) + src.rgb * (1 - dst.a) + dst.rgb * (1 - src.a);
|
|---|
| 7 | result.a = src.a + dst.a - src.a * dst.a;
|
|---|
| 8 | return result;
|
|---|
| 9 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
