91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* Vulkan display driver loading
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*
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* Copyright (c) 2017 Roderick Colenbrander
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <dlfcn.h>
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#include <pthread.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "win32u_private.h"
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#include "wine/vulkan.h"
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#include "wine/vulkan_driver.h"
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WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
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#ifdef SONAME_LIBVULKAN
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static void *vulkan_handle;
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static struct vulkan_funcs vulkan_funcs;
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static void vulkan_init(void)
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{
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UINT status;
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if (!(vulkan_handle = dlopen( SONAME_LIBVULKAN, RTLD_NOW )))
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{
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ERR( "Failed to load %s\n", SONAME_LIBVULKAN );
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return;
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}
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if ((status = user_driver->pVulkanInit( WINE_VULKAN_DRIVER_VERSION, vulkan_handle, &vulkan_funcs )) &&
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status != STATUS_NOT_IMPLEMENTED)
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{
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ERR( "Failed to initialize the driver vulkan functions, status %#x\n", status );
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dlclose( vulkan_handle );
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vulkan_handle = NULL;
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return;
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}
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}
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/***********************************************************************
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* __wine_get_vulkan_driver (win32u.so)
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*/
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const struct vulkan_funcs *__wine_get_vulkan_driver( UINT version )
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{
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static pthread_once_t init_once = PTHREAD_ONCE_INIT;
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if (version != WINE_VULKAN_DRIVER_VERSION)
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{
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ERR( "version mismatch, vulkan wants %u but win32u has %u\n", version, WINE_VULKAN_DRIVER_VERSION );
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return NULL;
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}
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pthread_once( &init_once, vulkan_init );
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return vulkan_handle ? &vulkan_funcs : NULL;
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}
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#else /* SONAME_LIBVULKAN */
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/***********************************************************************
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* __wine_get_vulkan_driver (win32u.so)
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*/
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const struct vulkan_funcs *__wine_get_vulkan_driver( UINT version )
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{
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ERR("Wine was built without Vulkan support.\n");
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return NULL;
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}
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#endif /* SONAME_LIBVULKAN */
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