24 struct GrVertexWriter {  struct
33         friend struct GrVertexWriter;  argument
35         bool fCondition;
36         T fValue;
40     static Conditional<T> If(bool condition, const T& value) {  in If()
45     struct Skip {};
48     void write(const T& val, const Args&... remainder) {  in write()
60     void write(const T(&val)[N], const Args&... remainder) {  in write()
69     void write(const GrVertexColor& color, const Args&... remainder) {  in write()
78     void write(const Conditional<T>& val, const Args&... remainder) {  in write()
86     void write(const Skip<T>& val, const Args&... remainder) {  in write()
92     void write(const Sk4f& vector, const Args&... remainder) {  in write()
99     void write() {}  in write()
113     struct TriStrip { T l, t, r, b; };
115     static TriStrip<float> TriStripFromRect(const SkRect& r) {  in TriStripFromRect()
120     struct TriFan { T l, t, r, b; };
122     static TriFan<float> TriFanFromRect(const SkRect& r) {  in TriFanFromRect()
127     void writeQuad(const Args&... remainder) {  in writeQuad()
136     void writeQuadVert(const T& val, const Args&... remainder) {  in writeQuadVert()
142     void writeQuadVert() {}  in writeQuadVert()
145     void writeQuadValue(const T& val) {  in writeQuadValue()
150     void writeQuadValue(const TriStrip<T>& r) {  in writeQuadValue()
160     void writeQuadValue(const TriFan<T>& r) {  in writeQuadValue()
170     void writeQuadValue(const GrQuad& q) {  in writeQuadValue()