Update GrSemaphore to allow it to only be used once for signaling and once for waiting.

This is required for Vulkan which doesn't allow a semaphore to be waited on by
multiple things at once or signaled from multiple places.

Bug: skia:
Change-Id: Iac0cb782a6662167c2cab1fd6a2c80378834a480
Reviewed-on: https://skia-review.googlesource.com/92601
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gpu/GrResourceProvider.h b/src/gpu/GrResourceProvider.h
index 08da9ae0b0..bf7f28e93d 100644
--- a/src/gpu/GrResourceProvider.h
+++ b/src/gpu/GrResourceProvider.h
@@ -228,7 +228,13 @@ public:
 
     sk_sp<GrSemaphore> SK_WARN_UNUSED_RESULT makeSemaphore(bool isOwned = true);
 
+    enum class SemaphoreWrapType {
+        kWillSignal,
+        kWillWait,
+    };
+
     sk_sp<GrSemaphore> wrapBackendSemaphore(const GrBackendSemaphore&,
+                                            SemaphoreWrapType wrapType,
                                             GrWrapOwnership = kBorrow_GrWrapOwnership);
 
     // Takes the GrSemaphore and sets the ownership of the semaphore to the GrGpu object used by