lib/igt_fb: Add support for fp16 formats through conversion

Follow design of P01x conversion to support tests needing pixel data in fp16
(half float 64 bpp).

rfc2:
- Convert whole rows of pixels if possible (Maarten)
- Treat rgbx like rgba, let hardware ignore alpha (Maarten)

Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/igt_fb.h b/lib/igt_fb.h
index ba22bd66..adefebe1 100644
--- a/lib/igt_fb.h
+++ b/lib/igt_fb.h
@@ -189,6 +189,7 @@ uint32_t igt_drm_format_to_bpp(uint32_t drm_format);
 const char *igt_format_str(uint32_t drm_format);
 bool igt_fb_supported_format(uint32_t drm_format);
 bool igt_format_is_yuv(uint32_t drm_format);
+bool igt_format_is_fp16(uint32_t drm_format);
 int igt_format_plane_bpp(uint32_t drm_format, int plane);
 void igt_format_array_fill(uint32_t **formats_array, unsigned int *count,
 			   bool allow_yuv);