From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m | 265 --------------------- 1 file changed, 265 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m (limited to 'contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m') diff --git a/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m b/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m deleted file mode 100644 index 332593b..0000000 --- a/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvulkan.m +++ /dev/null @@ -1,265 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -/* - * @author Mark Callow, www.edgewise-consulting.com. Based on Jacob Lifshay's - * SDL_x11vulkan.c. - */ - -#include "SDL_internal.h" - -#if defined(SDL_VIDEO_VULKAN) && defined(SDL_VIDEO_DRIVER_UIKIT) - -#include "SDL_uikitvideo.h" -#include "SDL_uikitwindow.h" - -#include "SDL_uikitvulkan.h" -#include "SDL_uikitmetalview.h" - -#include - -const char *defaultPaths[] = { - "libvulkan.dylib", -}; - -/* Since libSDL is static, could use RTLD_SELF. Using RTLD_DEFAULT is future - * proofing. */ -#define DEFAULT_HANDLE RTLD_DEFAULT - -bool UIKit_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path) -{ - VkExtensionProperties *extensions = NULL; - Uint32 extensionCount = 0; - bool hasSurfaceExtension = false; - bool hasMetalSurfaceExtension = false; - bool hasIOSSurfaceExtension = false; - PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = NULL; - - if (_this->vulkan_config.loader_handle) { - return SDL_SetError("Vulkan Portability library is already loaded."); - } - - // Load the Vulkan loader library - if (!path) { - path = SDL_GetHint(SDL_HINT_VULKAN_LIBRARY); - } - - if (!path) { - // Handle the case where Vulkan Portability is linked statically. - vkGetInstanceProcAddr = - (PFN_vkGetInstanceProcAddr)dlsym(DEFAULT_HANDLE, - "vkGetInstanceProcAddr"); - } - - if (vkGetInstanceProcAddr) { - _this->vulkan_config.loader_handle = DEFAULT_HANDLE; - } else { - const char **paths; - const char *foundPath = NULL; - int numPaths; - int i; - - if (path) { - paths = &path; - numPaths = 1; - } else { - // Look for the .dylib packaged with the application instead. - paths = defaultPaths; - numPaths = SDL_arraysize(defaultPaths); - } - - for (i = 0; i < numPaths && _this->vulkan_config.loader_handle == NULL; i++) { - foundPath = paths[i]; - _this->vulkan_config.loader_handle = SDL_LoadObject(foundPath); - } - - if (_this->vulkan_config.loader_handle == NULL) { - return SDL_SetError("Failed to load Vulkan Portability library"); - } - - SDL_strlcpy(_this->vulkan_config.loader_path, path, - SDL_arraysize(_this->vulkan_config.loader_path)); - vkGetInstanceProcAddr = - (PFN_vkGetInstanceProcAddr)SDL_LoadFunction( - _this->vulkan_config.loader_handle, - "vkGetInstanceProcAddr"); - } - - if (!vkGetInstanceProcAddr) { - SDL_SetError("Failed to find %s in either executable or %s: %s", - "vkGetInstanceProcAddr", - "linked Vulkan Portability library", - (const char *)dlerror()); - goto fail; - } - - _this->vulkan_config.vkGetInstanceProcAddr = (void *)vkGetInstanceProcAddr; - _this->vulkan_config.vkEnumerateInstanceExtensionProperties = - (void *)((PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr)( - VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties"); - - if (!_this->vulkan_config.vkEnumerateInstanceExtensionProperties) { - SDL_SetError("No vkEnumerateInstanceExtensionProperties found."); - goto fail; - } - - extensions = SDL_Vulkan_CreateInstanceExtensionsList( - (PFN_vkEnumerateInstanceExtensionProperties) - _this->vulkan_config.vkEnumerateInstanceExtensionProperties, - &extensionCount); - - if (!extensions) { - goto fail; - } - - for (Uint32 i = 0; i < extensionCount; i++) { - if (SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) { - hasSurfaceExtension = true; - } else if (SDL_strcmp(VK_EXT_METAL_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) { - hasMetalSurfaceExtension = true; - } else if (SDL_strcmp(VK_MVK_IOS_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) { - hasIOSSurfaceExtension = true; - } - } - - SDL_free(extensions); - - if (!hasSurfaceExtension) { - SDL_SetError("Installed Vulkan Portability doesn't implement the " VK_KHR_SURFACE_EXTENSION_NAME " extension"); - goto fail; - } else if (!hasMetalSurfaceExtension && !hasIOSSurfaceExtension) { - SDL_SetError("Installed Vulkan Portability doesn't implement the " VK_EXT_METAL_SURFACE_EXTENSION_NAME " or " VK_MVK_IOS_SURFACE_EXTENSION_NAME " extensions"); - goto fail; - } - - return true; - -fail: - _this->vulkan_config.loader_handle = NULL; - return false; -} - -void UIKit_Vulkan_UnloadLibrary(SDL_VideoDevice *_this) -{ - if (_this->vulkan_config.loader_handle) { - if (_this->vulkan_config.loader_handle != DEFAULT_HANDLE) { - SDL_UnloadObject(_this->vulkan_config.loader_handle); - } - _this->vulkan_config.loader_handle = NULL; - } -} - -char const* const* UIKit_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this, - Uint32 *count) -{ - static const char *const extensionsForUIKit[] = { - VK_KHR_SURFACE_EXTENSION_NAME, VK_EXT_METAL_SURFACE_EXTENSION_NAME - }; - if(count) { - *count = SDL_arraysize(extensionsForUIKit); - } - return extensionsForUIKit; -} - -bool UIKit_Vulkan_CreateSurface(SDL_VideoDevice *_this, - SDL_Window *window, - VkInstance instance, - const struct VkAllocationCallbacks *allocator, - VkSurfaceKHR *surface) -{ - PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = - (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr; - PFN_vkCreateMetalSurfaceEXT vkCreateMetalSurfaceEXT = - (PFN_vkCreateMetalSurfaceEXT)vkGetInstanceProcAddr( - (VkInstance)instance, - "vkCreateMetalSurfaceEXT"); - PFN_vkCreateIOSSurfaceMVK vkCreateIOSSurfaceMVK = - (PFN_vkCreateIOSSurfaceMVK)vkGetInstanceProcAddr( - (VkInstance)instance, - "vkCreateIOSSurfaceMVK"); - VkResult result; - SDL_MetalView metalview; - - if (!_this->vulkan_config.loader_handle) { - return SDL_SetError("Vulkan is not loaded"); - } - - if (!vkCreateMetalSurfaceEXT && !vkCreateIOSSurfaceMVK) { - return SDL_SetError(VK_EXT_METAL_SURFACE_EXTENSION_NAME " or " VK_MVK_IOS_SURFACE_EXTENSION_NAME - " extensions are not enabled in the Vulkan instance."); - } - - metalview = UIKit_Metal_CreateView(_this, window); - if (metalview == NULL) { - return false; - } - - if (vkCreateMetalSurfaceEXT) { - VkMetalSurfaceCreateInfoEXT createInfo = {}; - createInfo.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT; - createInfo.pNext = NULL; - createInfo.flags = 0; - createInfo.pLayer = (__bridge const CAMetalLayer *) - UIKit_Metal_GetLayer(_this, metalview); - result = vkCreateMetalSurfaceEXT(instance, &createInfo, allocator, surface); - if (result != VK_SUCCESS) { - UIKit_Metal_DestroyView(_this, metalview); - return SDL_SetError("vkCreateMetalSurfaceEXT failed: %s", SDL_Vulkan_GetResultString(result)); - } - } else { - VkIOSSurfaceCreateInfoMVK createInfo = {}; - createInfo.sType = VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK; - createInfo.pNext = NULL; - createInfo.flags = 0; - createInfo.pView = (const void *)metalview; - result = vkCreateIOSSurfaceMVK(instance, &createInfo, - allocator, surface); - if (result != VK_SUCCESS) { - UIKit_Metal_DestroyView(_this, metalview); - return SDL_SetError("vkCreateIOSSurfaceMVK failed: %s", SDL_Vulkan_GetResultString(result)); - } - } - - /* Unfortunately there's no SDL_Vulkan_DestroySurface function we can call - * Metal_DestroyView from. Right now the metal view's ref count is +2 (one - * from returning a new view object in CreateView, and one because it's - * a subview of the window.) If we release the view here to make it +1, it - * will be destroyed when the window is destroyed. - * - * TODO: Now that we have SDL_Vulkan_DestroySurface someone with enough - * knowledge of Metal can proceed. */ - CFBridgingRelease(metalview); - - return true; -} - -void UIKit_Vulkan_DestroySurface(SDL_VideoDevice *_this, - VkInstance instance, - VkSurfaceKHR surface, - const struct VkAllocationCallbacks *allocator) -{ - if (_this->vulkan_config.loader_handle) { - SDL_Vulkan_DestroySurface_Internal(_this->vulkan_config.vkGetInstanceProcAddr, instance, surface, allocator); - // TODO: Add CFBridgingRelease(metalview) here perhaps? - } -} - -#endif -- cgit v1.2.3