From 62b66395da15266c6ec41d7384f237d0e16fbc90 Mon Sep 17 00:00:00 2001
From: Hunter Kvalevog <hunter@kvog.sh>
Date: Thu, 12 Mar 2026 00:35:48 -0400
Subject:

---
 vk-asylum/CMakeLists.txt |  9 +++++++++
 vk-asylum/main.c         | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 vk-asylum/CMakeLists.txt
 create mode 100644 vk-asylum/main.c

(limited to 'vk-asylum')

diff --git a/vk-asylum/CMakeLists.txt b/vk-asylum/CMakeLists.txt
new file mode 100644
index 0000000..9983a04
--- /dev/null
+++ b/vk-asylum/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15 FATAL_ERROR)
+project(vk-asylum C)
+
+set(DEMO_NEEDS_SDL3 TRUE)
+set(DEMO_NEEDS_VULKAN TRUE)
+include("${CMAKE_CURRENT_LIST_DIR}/../common/c_cpp/CMakeLists.txt")
+
+add_executable(vk-asylum main.c)
+target_link_libraries(vk-asylum PRIVATE common)
diff --git a/vk-asylum/main.c b/vk-asylum/main.c
new file mode 100644
index 0000000..2e0e0b2
--- /dev/null
+++ b/vk-asylum/main.c
@@ -0,0 +1,42 @@
+// Vulkan demo
+//
+// SPDX-License-Identifier: 0BSD
+//
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_vulkan.h>
+#include <stdlib.h>
+#include <vulkan/vulkan.h>
+
+#define COUNTOF(_Arr) (sizeof(_Arr) / sizeof((_Arr)[0]))
+#define DIE(...) do { printf(__VA_ARGS__); printf("\n"); exit(1); } while (0);
+#define ASSERT(_Expr) do { if (!(_Expr)) { DIE("%s:%d: " #_Expr, __FILE__, __LINE__); } } while (0);
+
+int main(int argc, char* argv[])
+{
+	(void)argc; (void)argv;
+	SDL_Init(SDL_INIT_VIDEO);
+
+	SDL_Window* wnd = SDL_CreateWindow("vk-asylum", 1024, 768, SDL_WINDOW_VULKAN);
+	ASSERT(wnd);
+
+	VkApplicationInfo vkai = (VkApplicationInfo){
+		.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
+		.apiVersion = VK_API_VERSION_1_4,
+	};
+	VkInstanceCreateInfo vkici = (VkInstanceCreateInfo){
+		.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+		.pApplicationInfo = &vkai,
+	};
+
+	vkici.ppEnabledExtensionNames = SDL_Vulkan_GetInstanceExtensions(&vkici.enabledExtensionCount);
+	printf("Instance extensions requested by SDL:\n");
+	for (uint32_t i = 0; i < vkici.enabledExtensionCount; ++i) {
+		printf("	%s\n", vkici.ppEnabledExtensionNames[i]);
+	}
+
+#ifdef __APPLE__
+	// Required for instance extension VK_KHR_portability_enumeration (MoltenVK)
+	vkici.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
+#endif
+}
-- 
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