Changeset b26396e in mainline for uspace/lib/softrend/transform.c

Timestamp:

2012-12-29T22:16:16Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

26e550c2

Parents:

ce60be1 (diff), b55877d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Mainline changes

File:

• uspace/lib/softrend/transform.c (modified) (1 diff)

uspace/lib/softrend/transform.c

@@ -136 +136 @@
 }
 
+bool transform_is_fast(transform_t *t)
+{
+        return (t->m[0][0] == 1) && (t->m[0][1] == 0)
+            && (t->m[1][0] == 0) && (t->m[1][1] == 1)
+            && ((t->m[0][2] - ((long) t->m[0][2])) == 0.0)
+            && ((t->m[1][2] - ((long) t->m[1][2])) == 0.0);
+}
+
 void transform_apply_linear(const transform_t *t, double *x, double *y)
 {