From 8cd996f493d4fc10844bd13bde4b9c9c5e38cc3a Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 9 Jan 2015 08:49:20 +0100 Subject: ui/pixman: add qemu_pixman_check_format Convinience check_format function for UIs using pixman. Signed-off-by: Gerd Hoffmann --- ui/qemu-pixman.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'ui/qemu-pixman.c') diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 6a889e9..4116e15 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -125,6 +125,33 @@ pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf) return format; } +/* + * Return true for known-good pixman conversions. + * + * UIs using pixman for format conversion can hook this into + * DisplayChangeListenerOps->dpy_gfx_check_format + */ +bool qemu_pixman_check_format(DisplayChangeListener *dcl, + pixman_format_code_t format) +{ + switch (format) { + /* 32 bpp */ + case PIXMAN_x8r8g8b8: + case PIXMAN_a8r8g8b8: + case PIXMAN_b8g8r8x8: + case PIXMAN_b8g8r8a8: + /* 24 bpp */ + case PIXMAN_r8g8b8: + case PIXMAN_b8g8r8: + /* 16 bpp */ + case PIXMAN_x1r5g5b5: + case PIXMAN_r5g6b5: + return true; + default: + return false; + } +} + pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, int width) { -- cgit v1.1