vkQueueWaitIdle and vkDeviceWaitIdle as noops

src/Vulkan/VkDevice.cpp

@@ -89,6 +89,14 @@ void Device::waitForFences(uint32_t fenceCount, const VkFence* pFences, VkBool32
 	// FIXME(b/117835459) : noop
 }
 
+void Device::waitIdle()
+{
+	for(uint32_t i = 0; i < queueCount; i++)
+	{
+		queues[i].waitIdle();
+	}
+}
+
 void Device::getDescriptorSetLayoutSupport(const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
                                            VkDescriptorSetLayoutSupport* pSupport) const
 {

src/Vulkan/VkDevice.hpp

@@ -40,6 +40,7 @@ public:
 
 	VkQueue getQueue(uint32_t queueFamilyIndex, uint32_t queueIndex) const;
 	void waitForFences(uint32_t fenceCount, const VkFence* pFences, VkBool32 waitAll, uint64_t timeout);
+	void waitIdle();
 	void getDescriptorSetLayoutSupport(const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
 	                                   VkDescriptorSetLayoutSupport* pSupport) const;
 	VkPhysicalDevice getPhysicalDevice() const { return physicalDevice; }

src/Vulkan/VkQueue.cpp

@@ -58,11 +58,19 @@ void Queue::submit(uint32_t submitCount, const VkSubmitInfo* pSubmits, VkFence f
 		}
 	}
 
-	// FIXME (b\117835459): signal the fence only once the work is completed
+	// FIXME (b/117835459): signal the fence only once the work is completed
 	if(fence != VK_NULL_HANDLE)
 	{
 		vk::Cast(fence)->signal();
 	}
 }
 
+void Queue::waitIdle()
+{
+	// equivalent to submitting a fence to a queue and waiting
+	// with an infinite timeout for that fence to signal
+
+	// FIXME (b/117835459): implement once we have working fences
+}
+
 } // namespace vk
\ No newline at end of file

src/Vulkan/VkQueue.hpp

@@ -42,6 +42,7 @@ public:
 
 	void destroy();
 	void submit(uint32_t submitCount, const VkSubmitInfo* pSubmits, VkFence fence);
+	void waitIdle();
 
 private:
 	sw::Context* context = nullptr;

src/Vulkan/libVulkan.cpp

@@ -456,15 +456,19 @@ VKAPI_ATTR VkResult VKAPI_CALL vkQueueSubmit(VkQueue queue, uint32_t submitCount
 
 VKAPI_ATTR VkResult VKAPI_CALL vkQueueWaitIdle(VkQueue queue)
 {
-	TRACE("()");
-	UNIMPLEMENTED();
+	TRACE("(VkQueue queue = 0x%X)", queue);
+
+	vk::Cast(queue)->waitIdle();
+
 	return VK_SUCCESS;
 }
 
 VKAPI_ATTR VkResult VKAPI_CALL vkDeviceWaitIdle(VkDevice device)
 {
-	TRACE("()");
-	UNIMPLEMENTED();
+	TRACE("(VkDevice device = 0x%X)", device);
+
+	vk::Cast(device)->waitIdle();
+
 	return VK_SUCCESS;
 }