diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoavulkan.m')
| -rw-r--r-- | Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoavulkan.m | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoavulkan.m b/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoavulkan.m deleted file mode 100644 index 0e53d21..0000000 --- a/Source/3rdParty/SDL2/src/video/cocoa/SDL_cocoavulkan.m +++ /dev/null @@ -1,230 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> - - 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 SDL_VIDEO_VULKAN && SDL_VIDEO_DRIVER_COCOA - -#include "SDL_cocoavideo.h" -#include "SDL_cocoawindow.h" -#include "SDL_assert.h" - -#include "SDL_loadso.h" -#include "SDL_cocoametalview.h" -#include "SDL_cocoavulkan.h" -#include "SDL_syswm.h" - -#include <dlfcn.h> - -const char* defaultPaths[] = { - "vulkan.framework/vulkan", - "libvulkan.1.dylib", - "MoltenVK.framework/MoltenVK", - "libMoltenVK.dylib" -}; - -/* Since libSDL is most likely a .dylib, need RTLD_DEFAULT not RTLD_SELF. */ -#define DEFAULT_HANDLE RTLD_DEFAULT - -int Cocoa_Vulkan_LoadLibrary(_THIS, const char *path) -{ - VkExtensionProperties *extensions = NULL; - Uint32 extensionCount = 0; - SDL_bool hasSurfaceExtension = SDL_FALSE; - SDL_bool hasMacOSSurfaceExtension = SDL_FALSE; - PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = NULL; - - if (_this->vulkan_config.loader_handle) { - return SDL_SetError("Vulkan/MoltenVK already loaded"); - } - - /* Load the Vulkan loader library */ - if (!path) { - path = SDL_getenv("SDL_VULKAN_LIBRARY"); - } - - if (!path) { - /* MoltenVK framework, currently, v0.17.0, has a static library and is - * the recommended way to use the package. There is likely no object to - * load. */ - 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 framework or .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/MoltenVK library"); - } - - SDL_strlcpy(_this->vulkan_config.loader_path, foundPath, - 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", - _this->vulkan_config.loader_path, - (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) { - 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 = SDL_TRUE; - } else if (SDL_strcmp(VK_MVK_MACOS_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) { - hasMacOSSurfaceExtension = SDL_TRUE; - } - } - SDL_free(extensions); - if (!hasSurfaceExtension) { - SDL_SetError("Installed MoltenVK/Vulkan doesn't implement the " - VK_KHR_SURFACE_EXTENSION_NAME " extension"); - goto fail; - } else if (!hasMacOSSurfaceExtension) { - SDL_SetError("Installed MoltenVK/Vulkan doesn't implement the " - VK_MVK_MACOS_SURFACE_EXTENSION_NAME "extension"); - goto fail; - } - return 0; - -fail: - SDL_UnloadObject(_this->vulkan_config.loader_handle); - _this->vulkan_config.loader_handle = NULL; - return -1; -} - -void Cocoa_Vulkan_UnloadLibrary(_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; - } -} - -SDL_bool Cocoa_Vulkan_GetInstanceExtensions(_THIS, - SDL_Window *window, - unsigned *count, - const char **names) -{ - static const char *const extensionsForCocoa[] = { - VK_KHR_SURFACE_EXTENSION_NAME, VK_MVK_MACOS_SURFACE_EXTENSION_NAME - }; - if (!_this->vulkan_config.loader_handle) { - SDL_SetError("Vulkan is not loaded"); - return SDL_FALSE; - } - return SDL_Vulkan_GetInstanceExtensions_Helper( - count, names, SDL_arraysize(extensionsForCocoa), - extensionsForCocoa); -} - -SDL_bool Cocoa_Vulkan_CreateSurface(_THIS, - SDL_Window *window, - VkInstance instance, - VkSurfaceKHR *surface) -{ - PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = - (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr; - PFN_vkCreateMacOSSurfaceMVK vkCreateMacOSSurfaceMVK = - (PFN_vkCreateMacOSSurfaceMVK)vkGetInstanceProcAddr( - (VkInstance)instance, - "vkCreateMacOSSurfaceMVK"); - VkMacOSSurfaceCreateInfoMVK createInfo = {}; - VkResult result; - - if (!_this->vulkan_config.loader_handle) { - SDL_SetError("Vulkan is not loaded"); - return SDL_FALSE; - } - - if (!vkCreateMacOSSurfaceMVK) { - SDL_SetError(VK_MVK_MACOS_SURFACE_EXTENSION_NAME - " extension is not enabled in the Vulkan instance."); - return SDL_FALSE; - } - createInfo.sType = VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK; - createInfo.pNext = NULL; - createInfo.flags = 0; - createInfo.pView = Cocoa_Mtl_AddMetalView(window); - result = vkCreateMacOSSurfaceMVK(instance, &createInfo, - NULL, surface); - if (result != VK_SUCCESS) { - SDL_SetError("vkCreateMacOSSurfaceMVK failed: %s", - SDL_Vulkan_GetResultString(result)); - return SDL_FALSE; - } - return SDL_TRUE; -} - -void Cocoa_Vulkan_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h) -{ - Cocoa_Mtl_GetDrawableSize(window, w, h); -} - -#endif - -/* vim: set ts=4 sw=4 expandtab: */ |