commit 4138c972effe4eb0227fbb96571df290f3d1979b
author Chris Dalton <csmartdalton@google.com> Wed Feb 07 13:02:58 2018 -0700
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Feb 12 17:06:31 2018 +0000
tree f506f42ba68294dac155f09c01f77ae8186e3150
parent a58bcf7ef8227708dad1501db59bd506e83e5341

ccpr: Tessellate fans for very large and/or simple paths

This increases CPU work, but reduces overdraw on the GPU as compared to
Redbook fanning.

Bug: skia:
Change-Id: I47239c964261e0014a94266a71223eab0597bfb8
Reviewed-on: https://skia-review.googlesource.com/105203
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

src/gpu/ccpr/GrCCCoverageProcessor.cpp

diff --git a/src/gpu/ccpr/GrCCCoverageProcessor.cpp b/src/gpu/ccpr/GrCCCoverageProcessor.cpp
index c875625..2c3166d 100644
--- a/src/gpu/ccpr/GrCCCoverageProcessor.cpp
+++ b/src/gpu/ccpr/GrCCCoverageProcessor.cpp
@@ -66,8 +66,11 @@
 
 void GrCCCoverageProcessor::getGLSLProcessorKey(const GrShaderCaps&,
                                                 GrProcessorKeyBuilder* b) const {
-    int key = (int)fRenderPass << 1;
-    if (Impl::kGeometryShader == fImpl) {
+    int key = (int)fRenderPass << 2;
+    if (WindMethod::kInstanceData == fWindMethod) {
+        key |= 2;
+    }
+    if (Impl::kVertexShader == fImpl) {
         key |= 1;
     }
 #ifdef SK_DEBUG