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authorBrian Paul <brianp@vmware.com>2010-05-04 17:04:27 -0600
committerBrian Paul <brianp@vmware.com>2010-05-04 17:17:04 -0600
commit0f0c0368faf38d73b0bbbb6e0a147bc94564d3a1 (patch)
tree0d012d0db005dec043a0d7e0edfae9bccb740016 /src/gallium/auxiliary/util/u_format.h
parent477b0d838b7ac3f9d0534df28f6af9e17c403a71 (diff)
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gallium/util: added is_format_compressed()
Diffstat (limited to 'src/gallium/auxiliary/util/u_format.h')
-rw-r--r--src/gallium/auxiliary/util/u_format.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 8ba0769..fd95bea 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -367,6 +367,26 @@ util_format_is_plain(enum pipe_format format)
}
static INLINE boolean
+util_format_is_compressed(enum pipe_format format)
+{
+ const struct util_format_description *desc = util_format_description(format);
+
+ assert(desc);
+ if (!desc) {
+ return FALSE;
+ }
+
+ switch (desc->layout) {
+ case UTIL_FORMAT_LAYOUT_S3TC:
+ case UTIL_FORMAT_LAYOUT_RGTC:
+ /* XXX add other formats in the future */
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+static INLINE boolean
util_format_is_s3tc(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);