commit ba4e83be6027e68aacc2f1c581e839e88d845c38
author joel.liang <joel.liang@arm.com> Wed Dec 09 03:31:44 2015
committer Commit bot <commit-bot@chromium.org> Wed Dec 09 03:31:44 2015
tree df93d23c1237146a150908d1466cad655fdeecda
parent 39da2c221c0d5839aea52edd25d715291a560ee0

Merge fix for 552999 to m47(Always use high precision on NDS transform)

Original CL: https://codereview.chromium.org/1500393002

To fix the Chrome fillRect issue on Galaxy S6.
We should use high precision for position related calculation.

BUG=chromium:552999
NOTREECHECKS=true
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1506113002

src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp

diff --git a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
index fc92da7..a79ca5a 100644
--- a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
@@ -38,15 +38,10 @@
 void GrGLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& posVar) {
     SkASSERT(!fRtAdjustName);
 
-    GrSLPrecision precision = kDefault_GrSLPrecision;
-    if (fProgramBuilder->ctxInfo().vendor() == kARM_GrGLVendor) {
-        precision = kHigh_GrSLPrecision;
-    }
-
     // setup RT Uniform
     fProgramBuilder->fUniformHandles.fRTAdjustmentUni =
             fProgramBuilder->addUniform(GrGLProgramBuilder::kVertex_Visibility,
-                                        kVec4f_GrSLType, precision,
+                                        kVec4f_GrSLType, kHigh_GrSLPrecision,
                                         fProgramBuilder->rtAdjustment(),
                                         &fRtAdjustName);
     if (this->getProgramBuilder()->desc().header().fSnapVerticesToPixelCenters) {