Add integer vectors to GrSLType

BUG=skia:

Change-Id: I4a4a50e214f2240d83f6f0b02cf43e695c067933
Reviewed-on: https://skia-review.googlesource.com/8122
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/vk/GrVkUniformHandler.cpp b/src/gpu/vk/GrVkUniformHandler.cpp
index f0f0fff..f69c9d1 100644
--- a/src/gpu/vk/GrVkUniformHandler.cpp
+++ b/src/gpu/vk/GrVkUniformHandler.cpp
@@ -28,6 +28,12 @@
             return 0xF;
         case kVec4f_GrSLType:
             return 0xF;
+        case kVec2i_GrSLType:
+            return 0x7;
+        case kVec3i_GrSLType:
+            return 0xF;
+        case kVec4i_GrSLType:
+            return 0xF;
         case kMat22f_GrSLType:
             return 0x7;
         case kMat33f_GrSLType:
@@ -59,9 +65,9 @@
 static inline uint32_t grsltype_to_vk_size(GrSLType type) {
     switch(type) {
         case kInt_GrSLType:
-            return 4;
+            return sizeof(int32_t);
         case kUint_GrSLType:
-            return 4;
+            return sizeof(int32_t);
         case kFloat_GrSLType:
             return sizeof(float);
         case kVec2f_GrSLType:
@@ -70,6 +76,12 @@
             return 3 * sizeof(float);
         case kVec4f_GrSLType:
             return 4 * sizeof(float);
+        case kVec2i_GrSLType:
+            return 2 * sizeof(int32_t);
+        case kVec3i_GrSLType:
+            return 3 * sizeof(int32_t);
+        case kVec4i_GrSLType:
+            return 4 * sizeof(int32_t);
         case kMat22f_GrSLType:
             //TODO: this will be 4 * szof(float) on std430.
             return 8 * sizeof(float);