godot/platform/ios/rendering_context_driver_vulkan_ios.mm

/**************************************************************************/
/*  rendering_context_driver_vulkan_ios.mm                                */
/**************************************************************************/
/*                         This file is part of:                          */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#import "rendering_context_driver_vulkan_ios.h"

#ifdef VULKAN_ENABLED

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

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

RenderingContextDriver::SurfaceID RenderingContextDriverVulkanIOS::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);
}

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

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

#endif // VULKAN_ENABLED