Refactor Skia shaders handling.
With this change, Skia shaders can easily be applied to any mesh. This change also
supports ComposeShader. For instance, this can be used to blend a gradient and a
bitmap togehter and paint a string of text with the result.
Change-Id: I701c2f9cf7f89b2ff58005e8a1d0d80ccf4a4aea
diff --git a/libs/hwui/ProgramCache.h b/libs/hwui/ProgramCache.h
index 5a6ec33..d60f6ce 100644
--- a/libs/hwui/ProgramCache.h
+++ b/libs/hwui/ProgramCache.h
@@ -19,6 +19,7 @@
#include <utils/KeyedVector.h>
#include <utils/Log.h>
+#include <utils/String8.h>
#include <GLES2/gl2.h>