Make GrGLSLPrimitiveProcessor::emitTransforms take local coords as GrShaderVar.

Also remove unused position variable parameter.

Change-Id: I37f98a03ac1ca750810de13b08e3ffa11e41828c
Reviewed-on: https://skia-review.googlesource.com/81320
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp
index ffd7b06..5bc04c8 100644
--- a/src/gpu/effects/GrBezierEffect.cpp
+++ b/src/gpu/effects/GrBezierEffect.cpp
@@ -97,8 +97,7 @@
     this->emitTransforms(vertBuilder,
                          varyingHandler,
                          uniformHandler,
-                         gpArgs->fPositionVar,
-                         gp.inPosition()->fName,
+                         gp.inPosition()->asShaderVar(),
                          gp.localMatrix(),
                          args.fFPCoordTransformHandler);
 
@@ -350,8 +349,7 @@
     this->emitTransforms(vertBuilder,
                          varyingHandler,
                          uniformHandler,
-                         gpArgs->fPositionVar,
-                         gp.inPosition()->fName,
+                         gp.inPosition()->asShaderVar(),
                          gp.localMatrix(),
                          args.fFPCoordTransformHandler);
 
@@ -578,11 +576,9 @@
     this->emitTransforms(vertBuilder,
                          varyingHandler,
                          uniformHandler,
-                         gpArgs->fPositionVar,
-                         gp.inPosition()->fName,
+                         gp.inPosition()->asShaderVar(),
                          args.fFPCoordTransformHandler);
 
-
     GrShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0);
     GrShaderVar gF("gF", kFloat2_GrSLType, 0);
     GrShaderVar func("func", kFloat_GrSLType, 0);
diff --git a/src/gpu/effects/GrBitmapTextGeoProc.cpp b/src/gpu/effects/GrBitmapTextGeoProc.cpp
index d5f930f..df71f70 100644
--- a/src/gpu/effects/GrBitmapTextGeoProc.cpp
+++ b/src/gpu/effects/GrBitmapTextGeoProc.cpp
@@ -58,8 +58,7 @@
         this->emitTransforms(vertBuilder,
                              varyingHandler,
                              uniformHandler,
-                             gpArgs->fPositionVar,
-                             btgp.inPosition()->fName,
+                             btgp.inPosition()->asShaderVar(),
                              btgp.localMatrix(),
                              args.fFPCoordTransformHandler);
 
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.cpp b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
index aafabde..fda2f9d 100644
--- a/src/gpu/effects/GrDistanceFieldGeoProc.cpp
+++ b/src/gpu/effects/GrDistanceFieldGeoProc.cpp
@@ -72,8 +72,7 @@
         this->emitTransforms(vertBuilder,
                              varyingHandler,
                              uniformHandler,
-                             gpArgs->fPositionVar,
-                             dfTexEffect.inPosition()->fName,
+                             dfTexEffect.inPosition()->asShaderVar(),
                              args.fFPCoordTransformHandler);
 
         // add varyings
@@ -365,8 +364,7 @@
             this->emitTransforms(vertBuilder,
                                  varyingHandler,
                                  uniformHandler,
-                                 gpArgs->fPositionVar,
-                                 dfTexEffect.inPosition()->fName,
+                                 dfTexEffect.inPosition()->asShaderVar(),
                                  args.fFPCoordTransformHandler);
         } else {
             // Setup position
@@ -376,8 +374,7 @@
             this->emitTransforms(vertBuilder,
                                  varyingHandler,
                                  uniformHandler,
-                                 gpArgs->fPositionVar,
-                                 dfTexEffect.inPosition()->fName,
+                                 dfTexEffect.inPosition()->asShaderVar(),
                                  dfTexEffect.matrix(),
                                  args.fFPCoordTransformHandler);
         }
@@ -633,8 +630,7 @@
         this->emitTransforms(vertBuilder,
                              varyingHandler,
                              uniformHandler,
-                             gpArgs->fPositionVar,
-                             dfTexEffect.inPosition()->fName,
+                             dfTexEffect.inPosition()->asShaderVar(),
                              args.fFPCoordTransformHandler);
 
         // set up varyings
diff --git a/src/gpu/effects/GrShadowGeoProc.cpp b/src/gpu/effects/GrShadowGeoProc.cpp
index ba337d7..507101d 100644
--- a/src/gpu/effects/GrShadowGeoProc.cpp
+++ b/src/gpu/effects/GrShadowGeoProc.cpp
@@ -39,8 +39,7 @@
         this->emitTransforms(vertBuilder,
                              varyingHandler,
                              uniformHandler,
-                             gpArgs->fPositionVar,
-                             rsgp.inPosition()->fName,
+                             rsgp.inPosition()->asShaderVar(),
                              args.fFPCoordTransformHandler);
 
         fragBuilder->codeAppend("half d = length(shadowParams.xy);");