diff options
Diffstat (limited to 'WebCore/platform/graphics/cairo/rgb24-hacks.txt')
| -rw-r--r-- | WebCore/platform/graphics/cairo/rgb24-hacks.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/cairo/rgb24-hacks.txt b/WebCore/platform/graphics/cairo/rgb24-hacks.txt new file mode 100644 index 0000000..59f8070 --- /dev/null +++ b/WebCore/platform/graphics/cairo/rgb24-hacks.txt @@ -0,0 +1,32 @@ +Index: cairo/src/cairo-win32-surface.c +=================================================================== +--- cairo/src/cairo-win32-surface.c (revision 14498) ++++ cairo/src/cairo-win32-surface.c (working copy) +@@ -824,8 +824,13 @@ + * to figure out when we can use GDI. We don't have that checking + * anywhere at the moment, so just bail and use the fallback + * paths. */ +- if (surface->format != CAIRO_FORMAT_RGB24) +- return CAIRO_INT_STATUS_UNSUPPORTED; ++ //if (surface->format != CAIRO_FORMAT_RGB24) ++ // return CAIRO_INT_STATUS_UNSUPPORTED; ++ // FIXME: We'll go ahead and optimize this now and just assume we're ok if ++ // the color has no alpha. Probably need to check various composite operators to ++ // get this exactly right. ++ if (color->alpha != 1.0) ++ return CAIRO_INT_STATUS_UNSUPPORTED; + + /* Optimize for no destination alpha (surface->pixman_image is non-NULL for all + * surfaces with alpha.) +@@ -1016,8 +1021,9 @@ + + /* We can only handle operator SOURCE or OVER with the destination + * having no alpha */ +- if ((op != CAIRO_OPERATOR_SOURCE && op != CAIRO_OPERATOR_OVER) || +- (dst->format != CAIRO_FORMAT_RGB24)) ++ if ((op != CAIRO_OPERATOR_SOURCE && op != CAIRO_OPERATOR_OVER)) ++ // FIXME: It's not clear why ExtTextOut can't be called when the ++ // destination has alpha. Remove the RGB24 restriction. || (dst->format != CAIRO_FORMAT_RGB24)) + return CAIRO_INT_STATUS_UNSUPPORTED; + + /* If we have a fallback mask clip set on the dst, we have |