Now using Volk rather than statically linking the Vulkan loader

kraken/KRContext.cpp

@@ -640,6 +640,12 @@ void KRContext::receivedMemoryWarning()
 void
 KRContext::createDeviceContexts()
 {
+  VkResult res = volkInitialize();
+  if (res != VK_SUCCESS) {
+    destroyDeviceContexts();
+    return;
+  }
+
   // initialize the VkApplicationInfo structure
   VkApplicationInfo app_info = {};
   app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
@@ -662,10 +668,12 @@ KRContext::createDeviceContexts()
   inst_info.enabledLayerCount = 0;
   inst_info.ppEnabledLayerNames = NULL;
 
-  VkResult res = vkCreateInstance(&inst_info, NULL, &m_vulkanInstance);
+  res = vkCreateInstance(&inst_info, NULL, &m_vulkanInstance);
   if (res != VK_SUCCESS) {
     destroyDeviceContexts();
   }
+
+  volkLoadInstance(m_vulkanInstance);
 }
 
 void

kraken/KREngine-common.h

@@ -100,6 +100,7 @@ using std::unordered_multimap;
 using std::hash;
 
 #include <vulkan/vulkan.h>
+#include <volk.h>
 #if defined(ANDROID)
 #include <GLES3/gl3.h>
 #include <GLES3/gl3ext.h>