commit f3b995b628ef76bff28b9721dd1e182336156086
author Brian Salomon <bsalomon@google.com> Wed Feb 15 10:22:23 2017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Feb 15 17:27:10 2017 +0000
tree a0a0dcb7d12934495c445a73fe18bae9fda42bb7
parent 2b512d00ef8d6a8eb200396ab0a64294e84c4fa4

Clarify when tweak alpha for coverage optimizaton can occur.

Also refer to it directly rather than using the term "modulate"

Change-Id: Ifa44a4d46e1be11b567943f58ead24e38f10d03b
Reviewed-on: https://skia-review.googlesource.com/8488
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

src/gpu/effects/GrTextureDomain.cpp

diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index 142cd1d..39bc3cc 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -251,9 +251,9 @@
 inline GrFragmentProcessor::OptimizationFlags GrTextureDomainEffect::OptFlags(
         GrPixelConfig config, GrTextureDomain::Mode mode) {
     if (mode == GrTextureDomain::kDecal_Mode || !GrPixelConfigIsOpaque(config)) {
-        return GrFragmentProcessor::kModulatesInput_OptimizationFlag;
+        return GrFragmentProcessor::kCompatibleWithCoverageAsAlpha_OptimizationFlag;
     } else {
-        return GrFragmentProcessor::kModulatesInput_OptimizationFlag |
+        return GrFragmentProcessor::kCompatibleWithCoverageAsAlpha_OptimizationFlag |
                GrFragmentProcessor::kPreservesOpaqueInput_OptimizationFlag;
     }
 }
@@ -398,7 +398,7 @@
 
 GrDeviceSpaceTextureDecalFragmentProcessor::GrDeviceSpaceTextureDecalFragmentProcessor(
         GrTexture* texture, const SkIRect& subset, const SkIPoint& deviceSpaceOffset)
-        : INHERITED(kModulatesInput_OptimizationFlag)
+        : INHERITED(kCompatibleWithCoverageAsAlpha_OptimizationFlag)
         , fTextureSampler(texture, GrSamplerParams::ClampNoFilter())
         , fTextureDomain(texture, GrTextureDomain::MakeTexelDomain(subset),
                          GrTextureDomain::kDecal_Mode) {
@@ -422,7 +422,7 @@
         sk_sp<GrTextureProxy> proxy,
         const SkIRect& subset,
         const SkIPoint& deviceSpaceOffset)
-        : INHERITED(kModulatesInput_OptimizationFlag)
+        : INHERITED(kCompatibleWithCoverageAsAlpha_OptimizationFlag)
         , fTextureSampler(context->textureProvider(), proxy, GrSamplerParams::ClampNoFilter())
         , fTextureDomain(proxy.get(), GrTextureDomain::MakeTexelDomain(subset),
                          GrTextureDomain::kDecal_Mode) {