Move GrGLProgram::Desc out of GrGLProgram.

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
 
+#include "SkTArray.h"
+
 /**
  * Types of shader-language-specific boxed variables we can create.
  * (Currently only GrGLShaderVars, but should be applicable to other shader
  * languages.)
  */
 enum GrSLType {
     kVoid_GrSLType,
     kFloat_GrSLType,
     kVec2f_GrSLType,
     kVec3f_GrSLType,
     kVec4f_GrSLType,
     kMat33f_GrSLType,
     kMat44f_GrSLType,
     kSampler2D_GrSLType
 };
 
+/**
+ * Types used to describe format of vertices in arrays
+  */
+enum GrVertexAttribType {
+    kFloat_GrVertexAttribType = 0,
+    kVec2f_GrVertexAttribType,
+    kVec3f_GrVertexAttribType,
+    kVec4f_GrVertexAttribType,
+    kVec4ub_GrVertexAttribType,   // vector of 4 unsigned bytes, e.g. colors
+
+    kLast_GrVertexAttribType = kVec4ub_GrVertexAttribType
+};
+static const int kGrVertexAttribTypeCount = kLast_GrVertexAttribType + 1;
+
+struct GrVertexAttrib {
+    inline void set(GrVertexAttribType type, size_t offset) {
+        fType = type; fOffset = offset;
+    }
+    bool operator==(const GrVertexAttrib& other) const {
+        return fType == other.fType && fOffset == other.fOffset;
+    };
+    bool operator!=(const GrVertexAttrib& other) const { return !(*this == other); }
+
+    GrVertexAttribType fType;
+    size_t             fOffset;
+};
+
+template <int N>
+class GrVertexAttribArray : public SkSTArray<N, GrVertexAttrib, true> {};
+
 #endif