27 #include "../../SDL_internal.h"
29 #if SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_UIKIT
42 #define DEFAULT_MOLTENVK "libMoltenVK.dylib"
45 #define DEFAULT_HANDLE RTLD_DEFAULT
47 int UIKit_Vulkan_LoadLibrary(
_THIS,
const char *
path)
70 "vkGetInstanceProcAddr");
78 path = DEFAULT_MOLTENVK;
90 "vkGetInstanceProcAddr");
94 SDL_SetError(
"Failed to find %s in either executable or %s: %s",
95 "vkGetInstanceProcAddr",
97 (
const char *) dlerror());
107 SDL_SetError(
"No vkEnumerateInstanceExtensionProperties found.");
111 extensions = SDL_Vulkan_CreateInstanceExtensionsList(
120 for (
Uint32 i = 0;
i < extensionCount;
i++) {
123 }
else if (
SDL_strcmp(VK_MVK_IOS_SURFACE_EXTENSION_NAME, extensions[
i].extensionName) == 0) {
130 if (!hasSurfaceExtension) {
131 SDL_SetError(
"Installed MoltenVK/Vulkan doesn't implement the "
134 }
else if (!hasIOSSurfaceExtension) {
135 SDL_SetError(
"Installed MoltenVK/Vulkan doesn't implement the "
136 VK_MVK_IOS_SURFACE_EXTENSION_NAME
"extension");
147 void UIKit_Vulkan_UnloadLibrary(
_THIS)
162 static const char *
const extensionsForUIKit[] = {
170 return SDL_Vulkan_GetInstanceExtensions_Helper(
182 PFN_vkCreateIOSSurfaceMVK vkCreateIOSSurfaceMVK =
184 (VkInstance)instance,
185 "vkCreateIOSSurfaceMVK");
186 VkIOSSurfaceCreateInfoMVK createInfo = {};
194 if (!vkCreateIOSSurfaceMVK) {
196 " extension is not enabled in the Vulkan instance.");
201 createInfo.pNext =
NULL;
202 createInfo.flags = 0;
203 createInfo.pView = (__bridge
void *)UIKit_Mtl_AddMetalView(
window);
204 result = vkCreateIOSSurfaceMVK(instance, &createInfo,
208 SDL_Vulkan_GetResultString(
result));
217 UIKit_Mtl_GetDrawableSize(
window,
w,
h);