SkJumper: a couple stages used by color filters

Nothing too interesting here.
  - 4x5 matrix is the same as 2x3 and 3x4, but bigger.
  - luminance to alpha is pretty boring indeed.

Change-Id: I24893df15d1e22cbb500d946e1bbb58aa1522c8c
Reviewed-on: https://skia-review.googlesource.com/9385
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/jumper/SkJumper.h b/src/jumper/SkJumper.h
index 312110a06d..215284b84c 100644
--- a/src/jumper/SkJumper.h
+++ b/src/jumper/SkJumper.h
@@ -57,6 +57,11 @@ struct SkJumper_constants {
     float    b_565_scale;
     float    _31;
     float    _63;
+
+    // luminance -> alpha
+    float lum_r;
+    float lum_g;
+    float lum_b;
 };
 
 #endif//SkJumper_DEFINED