Add volk for function loading (required on platforms such as Android)

engine/src/backends/vulkan/context.cpp

@@ -4,6 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#if defined(NOVA_USE_VOLK)
+	#include <volk.h>
+#endif
+
 #include <vulkan/vulkan.h>
 
 #include <format>
@@ -13,6 +17,14 @@
 
 namespace nova::gfx {
 
+VulkanContext::VulkanContext() {
+#if defined(NOVA_USE_VOLK)
+	if (volkInitialize() != VK_SUCCESS) {
+		throw std::runtime_error("Failed to initialize volk");
+	}
+#endif
+}
+
 API VulkanContext::get_api() const {
 	return API::VULKAN;
 }

engine/src/backends/vulkan/context.hpp

@@ -14,6 +14,8 @@ namespace nova::gfx {
 
 class VulkanContext final : public IContext {
   public:
+	VulkanContext();
+
 	API get_api() const override;
 	std::string get_api_name() const override;