Make sure we are checking for failed wrapping of semaphores.

Bug: chromium:1098902
Change-Id: I338464b6364b3e0f614e8e084a2b0382b3b975e0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300258
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>

src/gpu/GrContext.cpp

@@ -298,7 +298,11 @@ bool GrContext::wait(int numSemaphores, const GrBackendSemaphore waitSemaphores[
         std::unique_ptr<GrSemaphore> sema = fResourceProvider->wrapBackendSemaphore(
                 waitSemaphores[i], GrResourceProvider::SemaphoreWrapType::kWillWait,
                 kAdopt_GrWrapOwnership);
-        fGpu->waitSemaphore(sema.get());
+        // If we failed to wrap the semaphore it means the client didn't give us a valid semaphore
+        // to begin with. Therefore, it is fine to not wait on it.
+        if (sema) {
+            fGpu->waitSemaphore(sema.get());
+        }
     }
     return true;
 }

src/gpu/GrGpu.cpp

@@ -673,7 +673,11 @@ void GrGpu::executeFlushInfo(GrSurfaceProxy* proxies[],
                     info.fSignalSemaphores[i],
                     GrResourceProvider::SemaphoreWrapType::kWillSignal,
                     kBorrow_GrWrapOwnership);
-                this->insertSemaphore(semaphores[i].get());
+                // If we failed to wrap the semaphore it means the client didn't give us a valid
+                // semaphore to begin with. Therefore, it is fine to not signal it.
+                if (semaphores[i]) {
+                    this->insertSemaphore(semaphores[i].get());
+                }
             } else {
                 semaphores[i] = resourceProvider->makeSemaphore(false);
                 if (semaphores[i]) {

src/gpu/GrWaitRenderTask.cpp

@@ -24,7 +24,12 @@ void GrWaitRenderTask::gatherProxyIntervals(GrResourceAllocator* alloc) const {
 
 bool GrWaitRenderTask::onExecute(GrOpFlushState* flushState) {
     for (int i = 0; i < fNumSemaphores; ++i) {
-        flushState->gpu()->waitSemaphore(fSemaphores[i].get());
+        // If we don't have a semaphore here it means we failed to wrap it. That happens if the
+        // client didn't give us a valid semaphore to begin with. Therefore, it is fine to not wait
+        // on it.
+        if (fSemaphores[i].get()) {
+            flushState->gpu()->waitSemaphore(fSemaphores[i].get());
+        }
     }
     return true;
 }

src/gpu/d3d/GrD3DGpu.cpp

@@ -1188,12 +1188,14 @@ std::unique_ptr<GrSemaphore> GrD3DGpu::wrapBackendSemaphore(
 }
 
 void GrD3DGpu::insertSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
     GrD3DSemaphore* d3dSem = static_cast<GrD3DSemaphore*>(semaphore);
     // TODO: Do we need to track the lifetime of this? How do we know it's done?
     fQueue->Signal(d3dSem->fence(), d3dSem->value());
 }
 
 void GrD3DGpu::waitSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
     GrD3DSemaphore* d3dSem = static_cast<GrD3DSemaphore*>(semaphore);
     // TODO: Do we need to track the lifetime of this?
     fQueue->Wait(d3dSem->fence(), d3dSem->value());

src/gpu/gl/GrGLGpu.cpp

@@ -3948,6 +3948,7 @@ std::unique_ptr<GrSemaphore> GrGLGpu::wrapBackendSemaphore(
 }
 
 void GrGLGpu::insertSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
     GrGLSemaphore* glSem = static_cast<GrGLSemaphore*>(semaphore);
 
     GrGLsync sync;
@@ -3957,6 +3958,7 @@ void GrGLGpu::insertSemaphore(GrSemaphore* semaphore) {
 }
 
 void GrGLGpu::waitSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
     GrGLSemaphore* glSem = static_cast<GrGLSemaphore*>(semaphore);
 
     GL_CALL(WaitSync(glSem->sync(), 0, GR_GL_TIMEOUT_IGNORED));

src/gpu/mtl/GrMtlGpu.mm

@@ -1352,6 +1352,7 @@ std::unique_ptr<GrSemaphore> GrMtlGpu::wrapBackendSemaphore(
 
 void GrMtlGpu::insertSemaphore(GrSemaphore* semaphore) {
     if (@available(macOS 10.14, iOS 12.0, *)) {
+        SkASSERT(semaphore);
         GrMtlSemaphore* mtlSem = static_cast<GrMtlSemaphore*>(semaphore);
 
         this->commandBuffer()->encodeSignalEvent(mtlSem->event(), mtlSem->value());
@@ -1360,6 +1361,7 @@ void GrMtlGpu::insertSemaphore(GrSemaphore* semaphore) {
 
 void GrMtlGpu::waitSemaphore(GrSemaphore* semaphore) {
     if (@available(macOS 10.14, iOS 12.0, *)) {
+        SkASSERT(semaphore);
         GrMtlSemaphore* mtlSem = static_cast<GrMtlSemaphore*>(semaphore);
 
         this->commandBuffer()->encodeWaitForEvent(mtlSem->event(), mtlSem->value());

src/gpu/vk/GrVkGpu.cpp

@@ -2570,6 +2570,8 @@ std::unique_ptr<GrSemaphore> GrVkGpu::wrapBackendSemaphore(
 }
 
 void GrVkGpu::insertSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
+
     GrVkSemaphore* vkSem = static_cast<GrVkSemaphore*>(semaphore);
 
     GrVkSemaphore::Resource* resource = vkSem->getResource();
@@ -2580,6 +2582,8 @@ void GrVkGpu::insertSemaphore(GrSemaphore* semaphore) {
 }
 
 void GrVkGpu::waitSemaphore(GrSemaphore* semaphore) {
+    SkASSERT(semaphore);
+
     GrVkSemaphore* vkSem = static_cast<GrVkSemaphore*>(semaphore);
 
     GrVkSemaphore::Resource* resource = vkSem->getResource();

src/gpu/vk/GrVkSemaphore.cpp

@@ -38,6 +38,7 @@ std::unique_ptr<GrVkSemaphore> GrVkSemaphore::MakeWrapped(GrVkGpu* gpu,
                                                           WrapType wrapType,
                                                           GrWrapOwnership ownership) {
     if (VK_NULL_HANDLE == semaphore) {
+        SkDEBUGFAIL("Trying to wrap an invalid VkSemaphore");
         return nullptr;
     }
     bool prohibitSignal = WrapType::kWillWait == wrapType;