Add various assertions throughout renderer

engine/include/nova/render/render_device.h

@@ -22,4 +22,4 @@ namespace Nova {
 		u32 deviceID;
 		void* handle;
 	};
-} // namespace Nova
+} // namespace Nova

engine/src/drivers/vulkan/render_driver.cpp

@@ -53,16 +53,14 @@ u32 VulkanRenderDriver::get_device_count() const {
 }
 
 const RenderDevice& VulkanRenderDriver::get_device(const u32 index) const {
+	NOVA_ASSERT(index < m_devices.size());
 	return m_devices[index];
 }
 
 void VulkanRenderDriver::create_device(const u32 index) {
 	NOVA_AUTO_TRACE();
-
-	if (m_device) {
-		NOVA_ERROR("VkDevice already created");
-		return;
-	}
+	NOVA_ASSERT(index < m_devices.size());
+	NOVA_ASSERT(!m_device);
 
 	m_physical_device = static_cast<VkPhysicalDevice>(m_devices[index].handle);
 	std::vector<VkDeviceQueueCreateInfo> queues;
@@ -324,4 +322,4 @@ VkAllocationCallbacks* VulkanRenderDriver::_get_allocator(const VkObjectType typ
 	// TODO: Add custom allocator
 	(void)type;
 	return nullptr;
-}
+}

engine/src/drivers/vulkan/render_driver.h

@@ -41,7 +41,6 @@ namespace Nova {
 		void _init_instance();
 		void _init_hardware();
 
-		// TODO: Other init functions for device
 		void _check_device_extensions();
 		void _check_device_features();
 		void _init_queues(std::vector<VkDeviceQueueCreateInfo>& queues) const;

engine/src/render/renderer.cpp

@@ -17,6 +17,7 @@ static std::unique_ptr<RenderDriver> s_driver;
 
 void Renderer::create(const RenderAPI api) {
 	NOVA_AUTO_TRACE();
+	NOVA_ASSERT(!s_driver);
 	switch (api) {
 		case RenderAPI::VULKAN:
 			s_driver = std::make_unique<VulkanRenderDriver>();
@@ -33,5 +34,6 @@ void Renderer::shutdown() {
 }
 
 RenderDriver* Renderer::get_driver() {
+	NOVA_ASSERT(s_driver);
 	return s_driver.get();
 }