commit 65cdd6130425b46e14c1f0736404f0a974388085
author Brian Osman <brianosman@google.com> Thu Mar 14 17:01:57 2019 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Thu Mar 14 23:37:17 2019 +0000
tree 634826225bc50f59ac822df6585a18a9d84c4451
parent 3101dade995bded31da731c698696635e2b17cee

Ganesh: Clamp blend inputs when using F16_Clamped pixel config

This ensures that we stay in [0,1], except for plus mode, which
requires a larger and more invasive change.

Bug: skia:
Change-Id: I97f6bcea8b10e70e55ba24bcff759ddbb1761794
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201460
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

src/gpu/GrProgramDesc.cpp

diff --git a/src/gpu/GrProgramDesc.cpp b/src/gpu/GrProgramDesc.cpp
index 26b06f9..5401d4d 100644
--- a/src/gpu/GrProgramDesc.cpp
+++ b/src/gpu/GrProgramDesc.cpp
@@ -253,5 +253,6 @@
     SkASSERT(header->processorFeatures() == processorFeatures);  // Ensure enough bits.
     header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters();
     header->fHasPointSize = hasPointSize ? 1 : 0;
+    header->fClampBlendInput = GrPixelConfigNeedsClamp(renderTarget->config()) ? 1 : 0;
     return true;
 }