Add a cap for geometry shader invocations

Bug: skia:7116
Change-Id: I3cc2ce7b2e5123c9adfd9781b2a5a8553747dfa5
Reviewed-on: https://skia-review.googlesource.com/56000
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

1 files changed, 13 insertions, 2 deletions

diff --git a/src/sksl/SkSLUtil.h b/src/sksl/SkSLUtil.h
index 808ec8a1d4..c4a6475034 100644
--- a/src/sksl/SkSLUtil.h
+++ b/src/sksl/SkSLUtil.h
@@ -180,6 +180,7 @@ public:
         sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
         result->fVersionDeclString = "#version 400";
         result->fShaderDerivativeSupport = true;
+        result->fGSInvocationsSupport = true;
         return result;
     }
 
@@ -248,10 +249,20 @@ public:
         return result;
     }
 
-    static sk_sp<GrShaderCaps> MustImplementGSInvocationsWithLoop() {
+    static sk_sp<GrShaderCaps> NoGSInvocationsSupport() {
         sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
         result->fVersionDeclString = "#version 400";
-        result->fMustImplementGSInvocationsWithLoop = true;
+        result->fGeometryShaderSupport = true;
+        result->fGSInvocationsSupport = false;
+        return result;
+    }
+
+    static sk_sp<GrShaderCaps> GSInvocationsExtensionString() {
+        sk_sp<GrShaderCaps> result = sk_make_sp<GrShaderCaps>(GrContextOptions());
+        result->fVersionDeclString = "#version 400";
+        result->fGeometryShaderSupport = true;
+        result->fGSInvocationsSupport = true;
+        result->fGSInvocationsExtensionString = "GL_ARB_gpu_shader5";
         return result;
     }