Separate vulkan code into gpu module

main.c

@@ -0,0 +1,60 @@
+#include "gpu.h"
+
+#include <assert.h>
+#include <math.h>
+
+static const vertex_t vertices[] = {
+	{ { 0.0, -0.5 }, { 1.0, 0.0, 0.0 } },
+	{ { 0.5, 0.5 }, { 0.0, 1.0, 0.0 } },
+	{ { -0.5, 0.5 }, { 0.0, 0.0, 1.0 } },
+};
+
+static void
+key_callback(GLFWwindow *window, int key, int scancode, int action, int mods)
+{
+	(void)window;
+	(void)scancode;
+	(void)mods;
+
+	switch (key) {
+	case GLFW_KEY_Q:
+		if (action == GLFW_PRESS)
+			glfwSetWindowShouldClose(window, GL_TRUE);
+		break;
+	}
+}
+
+int main()
+{
+	// Set up window
+	glfwInit();
+	glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+	glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
+	GLFWwindow *window = glfwCreateWindow(800, 600, "Foo", nullptr, nullptr);
+	assert(window);
+
+	// Register input callbacks
+	glfwSetKeyCallback(window, key_callback);
+
+	// Initialise GPU
+	const gpu_config_t gpu_config = {
+		.application_name = "Foo",
+		.window = window,
+		.vertex_data = vertices,
+		.vertex_data_size = sizeof(vertices),
+	};
+	gpu_ctx_t gpu;
+	gpu_init(&gpu, &gpu_config);
+
+	while (!glfwWindowShouldClose(window)) {
+		glfwPollEvents();
+		gpu_render(&gpu);
+	}
+
+	// Clean up
+	gpu_cleanup(&gpu);
+	glfwDestroyWindow(window);
+	glfwTerminate();
+
+	return 0;
+}