commit be545c955433829c48a959c8577142101cb35cc9
author Brian Osman <brianosman@google.com> Fri Jun 18 09:41:15 2021 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Jun 21 20:14:07 2021 +0000
tree 3751a3a03a7e09e2696ad18a7bfe39d64dc65ade
parent 6290555808a9fa2cbac57370f0f72d8d1f227c16

Verify that most runtime color filters support filtering a single color

When writing runtime FPs, this lets us confirm that we're going to get
the constant output for constant input optimization.

Change-Id: I358507585423e5b15c92a0b2e9278b16f8727fe8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419798
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

src/utils/SkShadowUtils.cpp

diff --git a/src/utils/SkShadowUtils.cpp b/src/utils/SkShadowUtils.cpp
index 6ce9a14..5a32ec4 100644
--- a/src/utils/SkShadowUtils.cpp
+++ b/src/utils/SkShadowUtils.cpp
@@ -95,6 +95,7 @@
             return half4(factor);
         }
     )");
+    SkASSERT(SkRuntimeEffectPriv::SupportsConstantOutputForConstantInput(effect));
     return GrFPSuccess(
             GrSkSLFP::Make(effect, "gaussian_fp", std::move(inputFP), GrSkSLFP::OptFlags::kNone));
 }