commit 8e03b8af752638ee7375460f03aebd554360486f
author joel.liang <joel.liang@arm.com> Mon Dec 07 10:33:00 2015 -0800
committer Commit bot <commit-bot@chromium.org> Mon Dec 07 10:33:00 2015 -0800
tree e77d3eb2308aa5248923354a35cd18dded943483
parent 0745653a677f405bb683b7f7a71b56a7e0dc7921

Always use high precision on NDS transform

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

BUG=chromium:552999

Review URL: https://codereview.chromium.org/1500393002

src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp

diff --git a/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp b/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
index 0504bbb..005b272 100644
--- a/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLVertexShaderBuilder.cpp
@@ -18,13 +18,8 @@
 void GrGLSLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& posVar) {
     SkASSERT(!fRtAdjustName);
 
-    GrSLPrecision precision = kDefault_GrSLPrecision;
-    if (fProgramBuilder->glslCaps()->forceHighPrecisionNDSTransform()) {
-        precision = kHigh_GrSLPrecision;
-    }
-
     // setup RT Uniform
-    fProgramBuilder->addRTAdjustmentUniform(precision,
+    fProgramBuilder->addRTAdjustmentUniform(kHigh_GrSLPrecision,
                                             fProgramBuilder->rtAdjustment(),
                                             &fRtAdjustName);
     if (this->getProgramBuilder()->desc().header().fSnapVerticesToPixelCenters) {