mirror of
https://github.com/Q3Rally-Team/rallyunlimited-engine.git
synced 2024-11-22 20:31:10 +00:00
154 lines
3.8 KiB
C
154 lines
3.8 KiB
C
/*
|
|
===========================================================================
|
|
Copyright (C) 1999-2005 Id Software, Inc.
|
|
|
|
This file is part of Quake III Arena source code.
|
|
|
|
Quake III Arena source code is free software; you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Quake III Arena source code is distributed in the hope that it will be
|
|
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Quake III Arena source code; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
===========================================================================
|
|
*/
|
|
/*
|
|
** LINUX_QVK.C
|
|
**
|
|
** This file implements the operating system binding of VK to QVK function
|
|
** pointers. When doing a port of Quake2 you must implement the following
|
|
** two functions:
|
|
**
|
|
** QVK_Init() - loads libraries, assigns function pointers, etc.
|
|
** QVK_Shutdown() - unloads libraries, NULLs function pointers
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include "../qcommon/q_shared.h"
|
|
#include "../qcommon/qcommon.h"
|
|
#include "../renderercommon/tr_types.h"
|
|
#include "unix_glw.h"
|
|
#include <dlfcn.h>
|
|
|
|
|
|
#define VK_USE_PLATFORM_XLIB_KHR
|
|
//#define VK_USE_PLATFORM_XLIB_XRANDR_EXT
|
|
#include "../renderercommon/vulkan/vulkan.h"
|
|
|
|
static PFN_vkGetInstanceProcAddr qvkGetInstanceProcAddr;
|
|
static PFN_vkCreateXlibSurfaceKHR qvkCreateXlibSurfaceKHR;
|
|
// Xlib + XRandR
|
|
//static PFN_vkAcquireXlibDisplayEXT vkAcquireXlibDisplayEXT;
|
|
//static PFN_vkGetRandROutputDisplayEXT PFN_vkGetRandROutputDisplayEXT;
|
|
|
|
/*
|
|
** QVK_Shutdown
|
|
**
|
|
** Unloads the specified DLL then nulls out all the proc pointers.
|
|
*/
|
|
void QVK_Shutdown( qboolean unloadDLL )
|
|
{
|
|
Com_Printf( "...shutting down QVK\n" );
|
|
|
|
if ( glw_state.VulkanLib && unloadDLL )
|
|
{
|
|
Com_Printf( "...unloading Vulkan DLL\n" );
|
|
dlclose( glw_state.VulkanLib );
|
|
glw_state.VulkanLib = NULL;
|
|
|
|
qvkGetInstanceProcAddr = NULL;
|
|
}
|
|
|
|
qvkCreateXlibSurfaceKHR = NULL;
|
|
}
|
|
|
|
|
|
void *VK_GetInstanceProcAddr( VkInstance instance, const char *name )
|
|
{
|
|
return qvkGetInstanceProcAddr( instance, name );
|
|
}
|
|
|
|
|
|
qboolean VK_CreateSurface( VkInstance instance, VkSurfaceKHR *surface )
|
|
{
|
|
VkXlibSurfaceCreateInfoKHR desc;
|
|
|
|
qvkCreateXlibSurfaceKHR = (PFN_vkCreateXlibSurfaceKHR) VK_GetInstanceProcAddr( instance, "vkCreateXlibSurfaceKHR" );
|
|
if ( !qvkCreateXlibSurfaceKHR )
|
|
return qfalse;
|
|
|
|
desc.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
|
|
desc.pNext = NULL;
|
|
desc.flags = 0;
|
|
desc.dpy = dpy;
|
|
desc.window = win;
|
|
|
|
if ( qvkCreateXlibSurfaceKHR( instance, &desc, NULL, surface ) == VK_SUCCESS )
|
|
return qtrue;
|
|
else
|
|
return qfalse;
|
|
}
|
|
|
|
|
|
static void *load_vulkan_library( const char *dllname )
|
|
{
|
|
void *lib;
|
|
|
|
lib = Sys_LoadLibrary( dllname );
|
|
if ( lib )
|
|
{
|
|
qvkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr) Sys_LoadFunction( lib, "vkGetInstanceProcAddr" );
|
|
if ( qvkGetInstanceProcAddr )
|
|
{
|
|
return lib;
|
|
}
|
|
Sys_UnloadLibrary( lib );
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
** QVK_Init
|
|
**
|
|
*/
|
|
qboolean QVK_Init( void )
|
|
{
|
|
|
|
Com_Printf( "...initializing QVK\n" );
|
|
|
|
if ( glw_state.VulkanLib == NULL )
|
|
{
|
|
const char *dllnames[] = { "libvulkan.so.1", "libvulkan.so" };
|
|
int i;
|
|
|
|
for ( i = 0; i < ARRAY_LEN( dllnames ); i++ )
|
|
{
|
|
glw_state.VulkanLib = load_vulkan_library( dllnames[i] );
|
|
|
|
Com_Printf( "...loading '%s' : %s\n", dllnames[i], glw_state.VulkanLib ? "success" : "failed" );
|
|
if ( glw_state.VulkanLib )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( !glw_state.VulkanLib )
|
|
{
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
Sys_LoadFunctionErrors(); // reset error counter
|
|
|
|
return qtrue;
|
|
}
|