Add IndexType parameter to GrDrawTarget::drawPaths

src/gpu/GrPathRange.cpp

Index: src/gpu/GrPathRange.cpp
diff --git a/src/gpu/GrPathRange.cpp b/src/gpu/GrPathRange.cpp
index 3d0f7cf27e3f09c968797080b98a20dff66e9e6f..cfe89feaf660bcb1d1677bd7141adb61b26556ad 100644
--- a/src/gpu/GrPathRange.cpp
+++ b/src/gpu/GrPathRange.cpp
@@ -32,17 +32,29 @@ GrPathRange::GrPathRange(GrGpu* gpu,
       fStroke(stroke) {
 }
 
-void GrPathRange::willDrawPaths(const uint32_t indices[], int count) const {
-    if (NULL == fPathGenerator.get()) {
+void GrPathRange::willDrawPaths(const void* indices, PathIndexType indexType, int count) const {
+    if (!fPathGenerator) {
         return;
     }
 
+    switch (indexType) {
+        case kU8_PathIndexType: return this->willDrawPaths<uint8_t>(indices, count);
+        case kU16_PathIndexType: return this->willDrawPaths<uint16_t>(indices, count);
+        case kU32_PathIndexType: return this->willDrawPaths<uint32_t>(indices, count);
+        default: SkFAIL("Unknown path index type");
+    }
+}
+
+template<typename IndexType> void GrPathRange::willDrawPaths(const void* indices, int count) const {
+    SkASSERT(fPathGenerator);
+
+    const IndexType* indexArray = reinterpret_cast<const IndexType*>(indices);
     bool didLoadPaths = false;
 
     for (int i = 0; i < count; ++i) {
-        SkASSERT(indices[i] < static_cast<uint32_t>(fNumPaths));
+        SkASSERT(indexArray[i] < static_cast<uint32_t>(fNumPaths));
 
-        const int groupIndex = indices[i] / kPathsPerGroup;
+        const int groupIndex = indexArray[i] / kPathsPerGroup;
         const int groupByte = groupIndex / 8;
         const uint8_t groupBit = 1 << (groupIndex % 8);