Implement waiting for fences as noop

For the purpose of running dEQP tests, for now, fences can be
implemented as noop. Once more complex rendering tests exercise
this, we'll be able to implement and test fences.

Bug b/117835459

Change-Id: I2b54be816c83f7a626108f61bd14eb9c969a2b0f
Reviewed-on: https://swiftshader-review.googlesource.com/c/23068
Reviewed-by: Chris Forbes <chrisforbes@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>
diff --git a/src/Vulkan/VkDevice.cpp b/src/Vulkan/VkDevice.cpp
index 7d0df8c..092b252 100644
--- a/src/Vulkan/VkDevice.cpp
+++ b/src/Vulkan/VkDevice.cpp
@@ -79,6 +79,11 @@
 	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
 {