brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cogl-bitmap: Update the format after (un)premultiplying

Browse Source 
The pixel format of the bitmap needs to have its premult flag cleared
or set after the premult conversion otherwise it may get converted
again.
This commit is contained in:
Neil Roberts 2010-02-06 00:12:10 +00:00
parent 191d20eb56
commit 6b1b27d4f8
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
clutter/cogl/cogl/cogl-bitmap-fallback.c
View File

@ -379,6 +379,8 @@ _cogl_bitmap_fallback_unpremult (CoglBitmap *bmp)
}
}
bmp->format &= ~COGL_PREMULT_BIT;
return TRUE;
}
@ -414,6 +416,8 @@ _cogl_bitmap_fallback_premult (CoglBitmap *bmp)
}
}
bmp->format |= COGL_PREMULT_BIT;
return TRUE;
}

3
clutter/cogl/cogl/cogl-texture.c
View File

@ -415,8 +415,7 @@ cogl_texture_new_from_file (const gchar *filename,
internal_format = _cogl_texture_determine_internal_format (bmp->format,
internal_format);
if (!_cogl_texture_needs_premult_conversion (bmp->format, internal_format) ||
_cogl_bitmap_convert_premult_status (bmp,
bmp->format ^= COGL_PREMULT_BIT))
_cogl_bitmap_convert_premult_status (bmp, bmp->format ^ COGL_PREMULT_BIT))
handle = cogl_texture_new_from_bitmap (bmp, flags, internal_format);
cogl_handle_unref (bmp);