implemented Vulkan surface creation

makefile

@@ -21,8 +21,14 @@ ifeq (${GRAPHICS_BACKEND},vk)
 	       rendering/vk/renderer.c\
 	       rendering/vk/instance.c\
 	       rendering/vk/physical_device.c\
-	       rendering/vk/device.c
+	       rendering/vk/device.c\
+	       rendering/vk/surface.c
+
+ifeq (${PLATFORM},Darwin)
+	SRC += rendering/vk/macos_platform.c
 endif
+endif
+
 
 OBJ:=${SRC:.c=.o}
 

rendering/renderer.h

@@ -3,6 +3,10 @@
 #ifndef RENDERER_H
 #define RENDERER_H
 #include "../types.h"
+#ifdef BACKEND_VK
+#define RGFW_VULKAN
+#endif
+#include "../rgfw.h"
 
 /*
  * A mesh is a drawable object represented as an index (offset) in the global
@@ -20,7 +24,7 @@ struct mesh {
  */
 struct renderer_context;
 
-struct renderer_context *renderer_context_init(void);
+struct renderer_context *renderer_context_init(RGFW_window *window);
 void renderer_context_deinit(struct renderer_context *context);
 struct mesh *renderer_build_chunk_mesh(void);
 void renderer_draw_mesh(struct renderer_context *context, struct mesh mesh);

rendering/vk/device.c

@@ -24,19 +24,27 @@ void vk_device_init(struct renderer_context *context)
 	}
 
 	f32 priority = 0.0;
-	VkDeviceQueueCreateInfo graphics_queue_create_info = {
+	VkDeviceQueueCreateInfo graphics_queue_create_info[2];
+	graphics_queue_create_info[0] = (VkDeviceQueueCreateInfo){
 		.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
 		.queueFamilyIndex = context->queue_indices.graphics,
 		.queueCount = 1,
 		.pQueuePriorities = &priority
 	};
 
+	graphics_queue_create_info[1] = (VkDeviceQueueCreateInfo){
+		.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
+		.queueFamilyIndex = context->queue_indices.present,
+		.queueCount = 1,
+		.pQueuePriorities = &priority
+	};
+
 	VkDeviceCreateInfo device_create_info = {
 		.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
 		.pNext = NULL,
 		.flags = 0,
-		.queueCreateInfoCount = 1,
+		.queueCreateInfoCount = 2,
-		.pQueueCreateInfos = &graphics_queue_create_info,
+		.pQueueCreateInfos = graphics_queue_create_info,
 		.enabledLayerCount = 0,
 		.ppEnabledLayerNames = NULL,
 		.enabledExtensionCount = device_extensions->length,
@@ -50,7 +58,8 @@ void vk_device_init(struct renderer_context *context)
 		fatal("Can't create Vulkan device.\n");
 	}
 
-	vkGetDeviceQueue(context->device, graphics_queue_create_info.queueFamilyIndex, 0, &context->graphics_queue);
+	vkGetDeviceQueue(context->device, graphics_queue_create_info[0].queueFamilyIndex, 0, &context->graphics_queue);
+	vkGetDeviceQueue(context->device, graphics_queue_create_info[1].queueFamilyIndex, 0, &context->present_queue);
 
 	vector_deinit(physical_device_extensions);
 	vector_deinit(device_extensions);

rendering/vk/instance.c

@@ -1,8 +1,6 @@
 /* SPDX-License-Identifier:BSD-3-Clause */
 #include "instance.h"
 #include "../../core/log.h"
-#define RGFW_VULKAN
-#include "../../rgfw.h"
 #include "vk.h"
 
 const char *extensions[] = {

rendering/vk/macos_platform.c

@@ -0,0 +1,24 @@
+#ifndef MACOS_PLATFORM
+#define MACOS_PLATFORM
+
+#include <objc/runtime.h>
+#include <objc/message.h>
+#include "../../rgfw.h"
+
+#define cls objc_getClass
+#define sel sel_getUid
+typedef id (*object_message_send)(id, SEL, id); 
+typedef id (*class_message_send)(Class, SEL, ...);
+
+#define msg ((object_message_send)objc_msgSend)
+#define cls_msg ((class_message_send)objc_msgSend)
+
+void macos_set_window_layer(RGFW_window *window)
+{
+	Class CAMetalLayer = cls("CAMetalLayer");
+	id metal_layer = cls_msg(CAMetalLayer, sel("layer"));
+	id view = (id)RGFW_window_getView_OSX(window);
+	msg(view, sel("setLayer:"), metal_layer);
+}
+
+#endif

rendering/vk/physical_device.c

@@ -54,6 +54,7 @@ struct vector *vk_physical_device_get_extensions(struct renderer_context *contex
 	return extensions;
 }
 
+
 void vk_physical_device_select_family_indices(struct renderer_context *context)
 {
 	u32 property_count = 0;
@@ -64,13 +65,34 @@ void vk_physical_device_select_family_indices(struct renderer_context *context)
 	properties = (VkQueueFamilyProperties *) malloc(sizeof(VkExtensionProperties) * property_count);
 
 	vkGetPhysicalDeviceQueueFamilyProperties(context->physical_device, &property_count, properties);
-
+	/* 
+	 * Use 0xaa as a known value to specify that these
+	 * indices have not been found yet.
+	 */
+	context->queue_indices.graphics = 0xaa;
+	context->queue_indices.present = 0xaa;
+	/*
+	 * This loop iterates over all the family properties
+	 * provided by the physical device and searches for
+	 * two unique queue family indices, one for presentation
+	 * and one for graphics.
+	 */
 	for (u32 i = 0; i < property_count; i++) {
+		if (context->queue_indices.graphics != 0xaa && context->queue_indices.present != 0xaa) break;
 		VkQueueFamilyProperties prop = properties[i];
 
-		if (prop.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
+		if ((prop.queueFlags & VK_QUEUE_GRAPHICS_BIT) && context->queue_indices.graphics == 0xaa) {
 			context->queue_indices.graphics = i;
+			continue;
 		}
+
+		VkBool32 present_support = VK_FALSE;
+		if (vkGetPhysicalDeviceSurfaceSupportKHR(context->physical_device, i, context->surface, &present_support) != VK_SUCCESS) {
+			free(properties);
+			fatal("Can't check for surface support.\n");
+		}
+
+		if (present_support == VK_TRUE) context->queue_indices.present = i;
 	}
 
 	free(properties);

rendering/vk/platform.c

@@ -2,17 +2,17 @@
 
 #define RGFW_VULKAN
 #define RGFW_IMPLEMENTATION
-#include "../../rgfw.h"
 #include <vulkan/vulkan.h>
 #include "../../core/log.h"
 
+#include "../renderer.h"
+
 #ifdef PLATFORM_MACOS
 #include <vulkan/vulkan_macos.h>
 #include <vulkan/vulkan_metal.h>
+void macos_set_window_layer(RGFW_window *window);
 #endif
 
-#include "../renderer.h"
-
 /*
  * This function is the entrypoint for the whole game. Its role is to
  * initialize Vulkan, create the renderer and start the game loop.
@@ -27,8 +27,9 @@ int platform_run(i32 argc, u8 * *argv)
 	RGFW_window *win = RGFW_createWindow("topaz", 0, 0, 800, 600, RGFW_windowCenter | RGFW_windowNoResize | RGFW_windowHide);
 	RGFW_window_show(win);
 	RGFW_window_setExitKey(win, RGFW_escape);
+	macos_set_window_layer(win);
 
-	struct renderer_context *context = renderer_context_init();
+	struct renderer_context *context = renderer_context_init(win);
 
 	while (RGFW_window_shouldClose(win) == RGFW_FALSE) {
 		RGFW_event event;

rendering/vk/renderer.c

@@ -3,16 +3,19 @@
 #include "instance.h"
 #include "physical_device.h"
 #include "device.h"
+#include "surface.h"
 #include "vk.h"
 #include "../../core/arena.h"
 #include <stdlib.h>
 #include <stdio.h>
 
-struct renderer_context *renderer_context_init(void)
+struct renderer_context *renderer_context_init(RGFW_window *window)
 {
 	struct renderer_context *context = (struct renderer_context *)arena_alloc(global_arena, (sizeof(struct renderer_context)));
+	context->window = window;
 
 	vk_instance_init(context);
+	vk_surface_init(context);
 	vk_physical_device_pick(context);
 	vk_physical_device_select_family_indices(context);
 	vk_device_init(context);
@@ -21,6 +24,7 @@ struct renderer_context *renderer_context_init(void)
 
 void renderer_context_deinit(struct renderer_context *context)
 {
+	vk_surface_deinit(context);
 	vk_device_deinit(context);
 	vk_instance_deinit(context);
 }

rendering/vk/surface.c

@@ -0,0 +1,23 @@
+#include "surface.h"
+#include "../../core/log.h"
+
+/*
+ * This function is defined in rgfw.h
+*/
+VkResult RGFW_window_createSurface_Vulkan(RGFW_window * win, VkInstance instance, VkSurfaceKHR * surface);
+
+/*
+ * RGFW exposes a platform independent function to
+ * create a Vulkan surface.
+*/
+void vk_surface_init(struct renderer_context *context)
+{
+	if (RGFW_window_createSurface_Vulkan(context->window, context->instance, &context->surface) != VK_SUCCESS) {
+		fatal("Can't create Vulkan surface.\n");
+	}
+}
+
+void vk_surface_deinit(struct renderer_context *context)
+{
+	vkDestroySurfaceKHR(context->instance, context->surface, NULL);
+}

rendering/vk/surface.h

@@ -0,0 +1,9 @@
+#ifndef SURFACE_H
+#define SURFACE_H
+
+#include "vk.h"
+
+void vk_surface_init(struct renderer_context *context);
+void vk_surface_deinit(struct renderer_context *context);
+
+#endif

rendering/vk/vk.h

@@ -4,6 +4,7 @@
 
 #include <vulkan/vulkan.h>
 #include "../../types.h"
+#include "../../rgfw.h"
 
 struct queue_family_indices {
 	u32 graphics, present;
@@ -13,8 +14,10 @@ struct renderer_context {
 	VkInstance instance;
 	VkPhysicalDevice physical_device;
 	VkDevice device;
-	VkQueue graphics_queue;
+	VkQueue graphics_queue, present_queue;
+	VkSurfaceKHR surface;
 	struct queue_family_indices queue_indices;
+	RGFW_window *window;
 };
 
 #endif

rgfw.h

@@ -1554,7 +1554,7 @@ extern "C" {
 	 * @param win a pointer to the target window
 	 * @return A pointer to the macOS view object, or NULL if not on macOS
 	*/
-	RGFWDEF void *RGFW_window_getView_OSX(RGFW_window * win);
+	void *RGFW_window_getView_OSX(RGFW_window * win);
 
 	/**!
 	 * @brief retrieves the macOS window object
@@ -5071,6 +5071,14 @@ const char *extensions = ((const char *(*) (u32))RGFW_glGetString) (RGFW_GL_EXTE
 
 		 return vkCreateWin32SurfaceKHR(instance, &win32, NULL, surface);
 #elif defined(RGFW_MACOS) && !defined(RGFW_MACOS_X11)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-local-typedef"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-local-typedef"
+#include <vulkan/vulkan_macos.h>
+#include <vulkan/vulkan_metal.h>
+#pragma GCC diagnostic pop
+#pragma clang diagnostic pop
 void *contentView = ((void *(*) (id, SEL))objc_msgSend) ((id) win->src.window, sel_getUid("contentView"));
 		VkMacOSSurfaceCreateInfoMVK macos = {VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK, 0, 0, (void *)contentView};
 		 return vkCreateMacOSSurfaceMVK(instance, &macos, NULL, surface);

types.h

@@ -20,6 +20,5 @@ typedef size_t usize;
 typedef float f32;
 typedef double f64;
 
-typedef uint8_t bool;
 
 #endif