implemented mustImplementGSInvocationsWithLoop workaround in sksl

Bug: skia:
Change-Id: I8434be89537a8baf9e9c5c7a643d28c03108f4ea
Reviewed-on: https://skia-review.googlesource.com/18154
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/sksl/SkSLUtil.h b/src/sksl/SkSLUtil.h
index d1af9bb3c7..b56ae16d2c 100644
--- a/src/sksl/SkSLUtil.h
+++ b/src/sksl/SkSLUtil.h
@@ -150,6 +150,10 @@ public:
     const char* versionDeclString() const {
         return "";
     }
+
+    bool mustImplementGSInvocationsWithLoop() const {
+        return false;
+    }
 };
 
 extern StandaloneShaderCaps standaloneCaps;
@@ -224,6 +228,13 @@ public:
         return result;
     }
 
+    static sk_sp<GrShaderCaps> MustImplementGSInvocationsWithLoop() {
+        sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
+        result->fVersionDeclString = "#version 400";
+        result->fMustImplementGSInvocationsWithLoop = true;
+        return result;
+    }
+
     static sk_sp<GrShaderCaps> VariousCaps() {
         sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
         result->fVersionDeclString = "#version 400";