add checkerboard shader and draw it

2017-04-29 23:12:36 +01:00
parent 73f689524b
commit 78a87f9cd3
3 changed files with 37 additions and 7 deletions
--- a/engine/shader.h
+++ b/engine/shader.h
@@ -29,6 +29,7 @@ enum class kShader : uint16_t
    Stroke      = const_hash("stroke"),
    StrokeErase = const_hash("stroke-erase"),
    StrokeLayer = const_hash("stroke-layer"),
+    Checkerboard= const_hash("checkerboard"),
 };

 class Shader