changed vertex attribute precisions to be actual types

Bug: skia:
Change-Id: Ic5555d9f1be7f24655bdea9f2a3677bfb128ef70
Reviewed-on: https://skia-review.googlesource.com/50221
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/gpu/GrPrimitiveProcessor.h b/src/gpu/GrPrimitiveProcessor.h
index 3b90689..eb59d98 100644
--- a/src/gpu/GrPrimitiveProcessor.h
+++ b/src/gpu/GrPrimitiveProcessor.h
@@ -49,7 +49,6 @@
         const char*          fName;
         GrVertexAttribType   fType;
         int                  fOffsetInRecord;
-        GrSLPrecision        fPrecision;
         InputRate            fInputRate;
     };
 
@@ -118,19 +117,13 @@
     /**
      * Subclasses call these from their constructor to register vertex and instance attributes.
      */
-    const Attribute& addVertexAttrib(const char* name, GrVertexAttribType type,
-                                     GrSLPrecision precision = kDefault_GrSLPrecision) {
-        precision = (kDefault_GrSLPrecision == precision) ? kMedium_GrSLPrecision : precision;
-        fAttribs.push_back() = {name, type, fVertexStride, precision,
-                                Attribute::InputRate::kPerVertex};
+    const Attribute& addVertexAttrib(const char* name, GrVertexAttribType type) {
+        fAttribs.push_back() = {name, type, fVertexStride, Attribute::InputRate::kPerVertex};
         fVertexStride += static_cast<int>(SkAlign4(GrVertexAttribTypeSize(type)));
         return fAttribs.back();
     }
-    const Attribute& addInstanceAttrib(const char* name, GrVertexAttribType type,
-                                       GrSLPrecision precision = kDefault_GrSLPrecision) {
-        precision = (kDefault_GrSLPrecision == precision) ? kMedium_GrSLPrecision : precision;
-        fAttribs.push_back() = {name, type, fInstanceStride, precision,
-                                Attribute::InputRate::kPerInstance};
+    const Attribute& addInstanceAttrib(const char* name, GrVertexAttribType type) {
+        fAttribs.push_back() = {name, type, fInstanceStride, Attribute::InputRate::kPerInstance};
         fInstanceStride += static_cast<int>(SkAlign4(GrVertexAttribTypeSize(type)));
         return fAttribs.back();
     }