Make addUniform take a precision

src/effects/SkColorFilters.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlitRow.h"
 #include "SkColorFilter.h"
 #include "SkColorPriv.h"
@@ skipping 207 matching lines @@
                               const char* outputColor,
                               const char* inputColor,
                               const TransformedCoordsArray&,
                               const TextureSamplerArray&) SK_OVERRIDE {
             SkXfermode::Mode mode = fp.cast<ModeColorFilterEffect>().mode();
 
             SkASSERT(SkXfermode::kDst_Mode != mode);
             const char* colorFilterColorUniName = NULL;
             if (fp.cast<ModeColorFilterEffect>().willUseFilterColor()) {
                 fFilterColorUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                      kVec4f_GrSLType, "FilterColor",
+                                                      kVec4f_GrSLType, kDefault_GrSLPrecision,
+                                                      "FilterColor",
                                                       &colorFilterColorUniName);
             }
 
             GrGLSLExpr4 filter =
                 color_filter_expression(mode, GrGLSLExpr4(colorFilterColorUniName),
                                         GrGLSLExpr4(inputColor));
 
             builder->getFragmentShaderBuilder()->
                     codeAppendf("\t%s = %s;\n", outputColor, filter.c_str());
         }
@@ skipping 305 matching lines @@
     matrix.postTranslate(SkIntToScalar(SkColorGetR(add)),
                          SkIntToScalar(SkColorGetG(add)),
                          SkIntToScalar(SkColorGetB(add)),
                          0);
     return SkColorMatrixFilter::Create(matrix);
 }
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkColorFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkModeColorFilter)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END