diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-02-02 11:32:40 +0100 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-02-12 13:13:07 +0100 |
| commit | c60cf3b51244334117c69db1f4665ff52815de03 (patch) | |
| tree | d7d9acfae339678c5f3bf659ae9cc343b0af5711 /lib | |
| parent | aa5068c58947f31252cad69d80686e40bbce29db (diff) | |
lib/igt_fb: Add igt_fb_supported_format()
This makes it possible to iterate whether a format is supported or not,
without each driver having to open code it.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/igt_fb.c | 18 | ||||
| -rw-r--r-- | lib/igt_fb.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/lib/igt_fb.c b/lib/igt_fb.c index 35a928b9..0389b1c1 100644 --- a/lib/igt_fb.c +++ b/lib/igt_fb.c @@ -1719,3 +1719,21 @@ void igt_get_all_cairo_formats(const uint32_t **formats, int *format_count) *formats = drm_formats; *format_count = n_formats; } + +/** + * igt_fb_supported_format: + * @drm_format: drm fourcc to test. + * + * This functions returns whether @drm_format can be succesfully created by + * igt_create_fb() and drawn to by igt_get_cairo_ctx(). + */ +bool igt_fb_supported_format(uint32_t drm_format) +{ + struct format_desc_struct *f; + + for_each_format(f) + if (f->drm_id == drm_format) + return f->cairo_id != CAIRO_FORMAT_INVALID; + + return false; +} diff --git a/lib/igt_fb.h b/lib/igt_fb.h index 77fd88bb..a6ce0789 100644 --- a/lib/igt_fb.h +++ b/lib/igt_fb.h @@ -163,6 +163,7 @@ uint32_t igt_bpp_depth_to_drm_format(int bpp, int depth); uint32_t igt_drm_format_to_bpp(uint32_t drm_format); const char *igt_format_str(uint32_t drm_format); void igt_get_all_cairo_formats(const uint32_t **formats, int *format_count); +bool igt_fb_supported_format(uint32_t drm_format); #endif /* __IGT_FB_H__ */ |