diff options
| -rw-r--r-- | include/ui/qemu-pixman.h | 2 | ||||
| -rw-r--r-- | ui/qemu-pixman.c | 27 |
2 files changed, 29 insertions, 0 deletions
diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index 381969d97b..3dee5761cc 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -37,6 +37,8 @@ PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); int qemu_pixman_get_type(int rshift, int gshift, int bshift); pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); +bool qemu_pixman_check_format(DisplayChangeListener *dcl, + pixman_format_code_t format); pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, int width); diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 6a889e93e7..4116e1507b 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) { |