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 45215cb426
commit b9a9bf60b7
2 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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

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

3
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 = _cogl_texture_determine_internal_format (bmp->format,
internal_format); internal_format);
if (!_cogl_texture_needs_premult_conversion (bmp->format, internal_format) || if (!_cogl_texture_needs_premult_conversion (bmp->format, internal_format) ||
_cogl_bitmap_convert_premult_status (bmp, _cogl_bitmap_convert_premult_status (bmp, bmp->format ^ COGL_PREMULT_BIT))
bmp->format ^= COGL_PREMULT_BIT))
handle = cogl_texture_new_from_bitmap (bmp, flags, internal_format); handle = cogl_texture_new_from_bitmap (bmp, flags, internal_format);
cogl_handle_unref (bmp); cogl_handle_unref (bmp);