Add GrShaderFlags enum

include/gpu/GrTypesPriv.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypesPriv_DEFINED
 #define GrTypesPriv_DEFINED
 
@@ skipping 26 matching lines @@
 
 enum GrShaderType {
     kVertex_GrShaderType,
     kGeometry_GrShaderType,
     kFragment_GrShaderType,
 
     kLastkFragment_GrShaderType = kFragment_GrShaderType
 };
 static const int kGrShaderTypeCount = kLastkFragment_GrShaderType + 1;
 
+enum GrShaderFlags {
+    kNone_GrShaderFlags = 0,
+    kVertex_GrShaderFlag = 1 << kVertex_GrShaderType,
+    kGeometry_GrShaderFlag = 1 << kGeometry_GrShaderType,
+    kFragment_GrShaderFlag = 1 << kFragment_GrShaderType
+};
+GR_MAKE_BITFIELD_OPS(GrShaderFlags);
+
 /**
  * Precisions of shader language variables. Not all shading languages support precisions or actually
  * vary the internal precision based on the qualifiers. These currently only apply to float types (
  * including float vectors and matrices).
  */
 enum GrSLPrecision {
     kLow_GrSLPrecision,
     kMedium_GrSLPrecision,
     kHigh_GrSLPrecision,
 
@@ skipping 341 matching lines @@
 // Takes a pointer to a GrCaps, and will suppress prints if required
 #define GrCapsDebugf(caps, ...)         \
     if (!caps->suppressPrints()) {      \
         SkDebugf(__VA_ARGS__);          \
     }
 #else
 #define GrCapsDebugf(caps, ...)
 #endif
 
 #endif