[vulkan] Instruct users to install vulkan sdk if they want to use validation layer

Ailing Zhang · Ailing Zhang · commit 05d3b35ff075 · 2022-09-19T13:22:32.000+08:00
diff --git a/taichi/rhi/vulkan/vulkan_device_creator.cpp b/taichi/rhi/vulkan/vulkan_device_creator.cpp
@@ -267,7 +267,10 @@ void VulkanDeviceCreator::create_instance(bool manual_create) {
 
   if (params_.enable_validation_layer) {
     if (!check_validation_layer_support()) {
-      TI_WARN("validation layers requested but not available, turning off...");
+      TI_WARN(
+          "Validation layers requested but not available, turning off... "
+          "Please make sure Vulkan SDK from https://vulkan.lunarg.com/sdk/home "
+          "is installed.");
       params_.enable_validation_layer = false;
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -267,7 +267,10 @@ void VulkanDeviceCreator::create_instance(bool manual_create) {`
`267`	`267`
`268`	`268`	`if (params_.enable_validation_layer) {`
`269`	`269`	`if (!check_validation_layer_support()) {`
`270`		`- TI_WARN("validation layers requested but not available, turning off...");`
	`270`	`+ TI_WARN(`
	`271`	`+ "Validation layers requested but not available, turning off... "`
	`272`	`+ "Please make sure Vulkan SDK from https://vulkan.lunarg.com/sdk/home "`
	`273`	`+ "is installed.");`
`271`	`274`	`params_.enable_validation_layer = false;`
`272`	`275`	`}`
`273`	`276`	`}`