Increase max vertex attrib count in GrPrimitiveProcessor

Increases the max vertex attrib count in GrPrimitiveProcessor from 6 to
8. This is the required minimum by ES 2.0 for GL_MAX_VERTEX_ATTRIBS.

BUG=skia:
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Review URL: https://codereview.chromium.org/1663513004

diff --git a/src/gpu/GrPrimitiveProcessor.h b/src/gpu/GrPrimitiveProcessor.h
index c1e946d..e5c8517 100644 (file)
--- a/src/gpu/GrPrimitiveProcessor.h
+++ b/src/gpu/GrPrimitiveProcessor.h
@@ -155,7 +155,7 @@ public:
      * This is a safeguard to prevent GrPrimitiveProcessor's from going beyond platform specific
      * attribute limits. This number can almost certainly be raised if required.
      */
-    static const int kMaxVertexAttribs = 6;
+    static const int kMaxVertexAttribs = 8;
 
     struct Attribute {
         Attribute()