intel/isl: Add some helpers for working with RGBX formats

Reviewed-by: Topi Pohjolainen <[email protected]>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index c1d73646ab4..7c9a41e09b3 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1561,8 +1561,19 @@ isl_format_is_rgb(enum isl_format fmt)
           isl_format_layouts[fmt].channels.a.bits == 0;
 }
 
+static inline bool
+isl_format_is_rgbx(enum isl_format fmt)
+{
+   return isl_format_layouts[fmt].channels.r.bits > 0 &&
+          isl_format_layouts[fmt].channels.g.bits > 0 &&
+          isl_format_layouts[fmt].channels.b.bits > 0 &&
+          isl_format_layouts[fmt].channels.a.bits > 0 &&
+          isl_format_layouts[fmt].channels.a.type == ISL_VOID;
+}
+
 enum isl_format isl_format_rgb_to_rgba(enum isl_format rgb) ATTRIBUTE_CONST;
 enum isl_format isl_format_rgb_to_rgbx(enum isl_format rgb) ATTRIBUTE_CONST;
+enum isl_format isl_format_rgbx_to_rgba(enum isl_format rgb) ATTRIBUTE_CONST;
 
 bool isl_is_storage_image_format(enum isl_format fmt);