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-rw-r--r--src/gallium/auxiliary/util/u_format.c11
-rw-r--r--src/gallium/auxiliary/util/u_format.h3
2 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.c b/src/gallium/auxiliary/util/u_format.c
index 056f82f72e5..a53ed6f297b 100644
--- a/src/gallium/auxiliary/util/u_format.c
+++ b/src/gallium/auxiliary/util/u_format.c
@@ -187,6 +187,17 @@ util_format_is_intensity(enum pipe_format format)
return FALSE;
}
+boolean
+util_format_is_subsampled_422(enum pipe_format format)
+{
+ const struct util_format_description *desc =
+ util_format_description(format);
+
+ return desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED &&
+ desc->block.width == 2 &&
+ desc->block.height == 1 &&
+ desc->block.bits == 32;
+}
boolean
util_format_is_supported(enum pipe_format format, unsigned bind)
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 1dd5d52f1e6..2e2bf0240dd 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -664,6 +664,9 @@ boolean
util_format_is_intensity(enum pipe_format format);
boolean
+util_format_is_subsampled_422(enum pipe_format format);
+
+boolean
util_format_is_pure_integer(enum pipe_format format);
boolean