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/*
* 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
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