Implement waiting for fences as noop

src/Vulkan/VkDevice.cpp

@@ -79,6 +79,11 @@ VkQueue Device::getQueue(uint32_t queueFamilyIndex, uint32_t queueIndex) const
 	return queues[queueIndex];
 }
 
+void Device::waitForFences(uint32_t fenceCount, const VkFence* pFences, VkBool32 waitAll, uint64_t timeout)
+{
+	// FIXME(b/117835459) : noop
+}
+
 void Device::getDescriptorSetLayoutSupport(const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
                                            VkDescriptorSetLayoutSupport* pSupport) const
 {

src/Vulkan/VkDevice.hpp

@@ -39,6 +39,7 @@ public:
 	static size_t ComputeRequiredAllocationSize(const CreateInfo* info);
 
 	VkQueue getQueue(uint32_t queueFamilyIndex, uint32_t queueIndex) const;
+	void waitForFences(uint32_t fenceCount, const VkFence* pFences, VkBool32 waitAll, uint64_t timeout);
 	void getDescriptorSetLayoutSupport(const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
 	                                   VkDescriptorSetLayoutSupport* pSupport) const;
 	VkPhysicalDevice getPhysicalDevice() const { return physicalDevice; }

src/Vulkan/VkQueue.cpp

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 #include "VkCommandBuffer.hpp"
+#include "VkFence.hpp"
 #include "VkQueue.hpp"
 #include "VkSemaphore.hpp"
 
@@ -25,11 +26,6 @@ Queue::Queue(uint32_t pFamilyIndex, float pPriority) : familyIndex(pFamilyIndex)
 
 void Queue::submit(uint32_t submitCount, const VkSubmitInfo* pSubmits, VkFence fence)
 {
-	if(fence != VK_NULL_HANDLE)
-	{
-		UNIMPLEMENTED();
-	}
-
 	for(uint32_t i = 0; i < submitCount; i++)
 	{
 		auto& submitInfo = pSubmits[i];
@@ -48,6 +44,12 @@ void Queue::submit(uint32_t submitCount, const VkSubmitInfo* pSubmits, VkFence f
 			vk::Cast(submitInfo.pSignalSemaphores[j])->signal();
 		}
 	}
+
+	// FIXME (b\117835459): signal the fence only once the work is completed
+	if(fence != VK_NULL_HANDLE)
+	{
+		vk::Cast(fence)->signal();
+	}
 }
 
 } // namespace vk
\ No newline at end of file

src/Vulkan/libVulkan.cpp

@@ -639,8 +639,11 @@ VKAPI_ATTR VkResult VKAPI_CALL vkGetFenceStatus(VkDevice device, VkFence fence)
 
 VKAPI_ATTR VkResult VKAPI_CALL vkWaitForFences(VkDevice device, uint32_t fenceCount, const VkFence* pFences, VkBool32 waitAll, uint64_t timeout)
 {
-	TRACE("()");
-	UNIMPLEMENTED();
+	TRACE("(VkDevice device = 0x%X, uint32_t fenceCount = %d, const VkFence* pFences = 0x%X, VkBool32 waitAll = %d, uint64_t timeout = %d)",
+		device, fenceCount, pFences, waitAll, timeout);
+
+	vk::Cast(device)->waitForFences(fenceCount, pFences, waitAll, timeout);
+
 	return VK_SUCCESS;
 }