gallium/vl Fix brightness matrix description

The brightness matrix doesn't actually match the procamp matrix and
what's calculated in vl_csc_get_matrix.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

diff --git a/src/gallium/auxiliary/vl/vl_csc.c b/src/gallium/auxiliary/vl/vl_csc.c
index c8efe28..1587e6c 100644 (file)
--- a/src/gallium/auxiliary/vl/vl_csc.c
+++ b/src/gallium/auxiliary/vl/vl_csc.c
@@ -59,10 +59,10 @@
  * [ 0, 0, 0, 1]
  *
  * brightness
- * [ 1, 0, 0, b]
- * [ 0, 1, 0, 0]
- * [ 0, 0, 1, 0]
- * [ 0, 0, 0, 1]
+ * [ 1, 0, 0, b/c]
+ * [ 0, 1, 0,   0]
+ * [ 0, 0, 1,   0]
+ * [ 0, 0, 0,   1]
  *
  * saturation
  * [ 1, 0, 0, 0]