Examples: Vulkan: Switch validation layer. Fix CMakeLists to find Vulkan the standard way. (#3459)

docs/CHANGELOG.txt

@@ -63,6 +63,8 @@ Other Changes:
 - Metrics: Various tweaks, listing windows front-to-back, greying inactive items when possible.
 - Demo: Add simple InputText() callbacks demo (aside from the more elaborate ones in 'Examples->Console').
 - Examples: Vulkan: Reworked buffer resize handling, fix for Linux/X11. (#3390, #2626) [@RoryO]
+- Examples: Vulkan: Switch validation layer to use "VK_LAYER_KHRONOS_validation" instead of
+  "VK_LAYER_LUNARG_standard_validation" which is deprecated (#3459) [@FunMiles]
 
 
 -----------------------------------------------------------------------

examples/example_glfw_vulkan/CMakeLists.txt

@@ -28,9 +28,11 @@ set(IMGUI_DIR ../../)
 include_directories(${IMGUI_DIR} ..)
 
 # Libraries
-find_library(VULKAN_LIBRARY
+find_package(Vulkan REQUIRED)
-  NAMES vulkan vulkan-1)
+#find_library(VULKAN_LIBRARY
-set(LIBRARIES "glfw;${VULKAN_LIBRARY}")
+  #NAMES vulkan vulkan-1)
+#set(LIBRARIES "glfw;${VULKAN_LIBRARY}")
+set(LIBRARIES "glfw;Vulkan::Vulkan")
 
 # Use vulkan headers from glfw:
 include_directories(${GLFW_DIR}/deps)

examples/example_glfw_vulkan/main.cpp

@@ -72,10 +72,9 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
         create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
         create_info.enabledExtensionCount = extensions_count;
         create_info.ppEnabledExtensionNames = extensions;
-
 #ifdef IMGUI_VULKAN_DEBUG_REPORT
-        // Enabling multiple validation layers grouped as LunarG standard validation
+        // Enabling validation layers
-        const char* layers[] = { "VK_LAYER_LUNARG_standard_validation" };
+        const char* layers[] = { "VK_LAYER_KHRONOS_validation" };
         create_info.enabledLayerCount = 1;
         create_info.ppEnabledLayerNames = layers;
 

examples/example_sdl_vulkan/main.cpp

@@ -64,10 +64,9 @@ static void SetupVulkan(const char** extensions, uint32_t extensions_count)
         create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
         create_info.enabledExtensionCount = extensions_count;
         create_info.ppEnabledExtensionNames = extensions;
-
 #ifdef IMGUI_VULKAN_DEBUG_REPORT
-        // Enabling multiple validation layers grouped as LunarG standard validation
+        // Enabling validation layers
-        const char* layers[] = { "VK_LAYER_LUNARG_standard_validation" };
+        const char* layers[] = { "VK_LAYER_KHRONOS_validation" };
         create_info.enabledLayerCount = 1;
         create_info.ppEnabledLayerNames = layers;