/**************************************************************************/
/*  rendering_context_driver_vulkan_apple_embedded.mm                     */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
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/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
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/* The above copyright notice and this permission notice shall be         */
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/**************************************************************************/

#import "rendering_context_driver_vulkan_apple_embedded.h"

#ifdef VULKAN_ENABLED

#ifdef USE_VOLK
#include <volk.h>
#else
#include <vulkan/vulkan_metal.h>
#endif

const char *RenderingContextDriverVulkanAppleEmbedded::_get_platform_surface_extension() const {
	return VK_EXT_METAL_SURFACE_EXTENSION_NAME;
}

RenderingContextDriver::SurfaceID RenderingContextDriverVulkanAppleEmbedded::surface_create(const void *p_platform_data) {
	const WindowPlatformData *wpd = (const WindowPlatformData *)(p_platform_data);

	VkMetalSurfaceCreateInfoEXT create_info = {};
	create_info.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT;
	create_info.pLayer = *wpd->layer_ptr;

	VkSurfaceKHR vk_surface = VK_NULL_HANDLE;
	VkResult err = vkCreateMetalSurfaceEXT(instance_get(), &create_info, get_allocation_callbacks(VK_OBJECT_TYPE_SURFACE_KHR), &vk_surface);
	ERR_FAIL_COND_V(err != VK_SUCCESS, SurfaceID());

	Surface *surface = memnew(Surface);
	surface->vk_surface = vk_surface;
	return SurfaceID(surface);
}

RenderingContextDriverVulkanAppleEmbedded::RenderingContextDriverVulkanAppleEmbedded() {
	// Does nothing.
}

RenderingContextDriverVulkanAppleEmbedded::~RenderingContextDriverVulkanAppleEmbedded() {
	// Does nothing.
}

#endif // VULKAN_ENABLED
