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/*
* Copyright (C) 2010 Splitted-Desktop Systems. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
#include <X11/Xlib.h>
#define ADL_OK 0
#define ADL_MAX_PATH 256
/*
* Based on public AMD Display Library (ADL) SDK:
* <http://developer.amd.com/gpu/adlsdk/Pages/default.aspx>
*/
typedef struct AdapterInfo {
int iSize;
int iAdapterIndex;
char strUDID[ADL_MAX_PATH];
int iBusNumber;
int iDeviceNumber;
int iFunctionNumber;
int iVendorID;
char strAdapterName[ADL_MAX_PATH];
char strDisplayName[ADL_MAX_PATH];
int iPresent;
int iXScreenNum;
int iDrvIndex;
char strXScreenConfigName[ADL_MAX_PATH];
} AdapterInfo, *LPAdapterInfo;
typedef struct XScreenInfo {
int iXScreenNum;
char strXScreenConfigName[ADL_MAX_PATH];
} XScreenInfo, *LPXScreenInfo;
typedef void *(*ADL_MAIN_MALLOC_CALLBACK)(int);
typedef int (*ADL_MAIN_CONTROL_CREATE)(ADL_MAIN_MALLOC_CALLBACK, int);
typedef int (*ADL_MAIN_CONTROL_DESTROY)(void);
typedef int (*ADL_ADAPTER_NUMBEROFADAPTERS_GET)(int *);
typedef int (*ADL_ADAPTER_ADAPTERINFO_GET)(LPAdapterInfo, int);
typedef int (*ADL_ADAPTER_XSCREENINFO_GET)(LPXScreenInfo, int);
static void *ADL_Main_Memory_Alloc(int iSize)
{
return malloc(iSize);
}
static void ADL_Main_Memory_Free(void *arg)
{
void ** const lpBuffer = arg;
if (lpBuffer && *lpBuffer) {
free(*lpBuffer);
*lpBuffer = NULL;
}
}
static int match_display(Display *x11_dpy, const char *display_name)
{
Display *test_dpy;
char *test_dpy_name, *x11_dpy_name;
int m;
test_dpy = XOpenDisplay(display_name);
if (!test_dpy)
return 0;
test_dpy_name = XDisplayString(test_dpy);
x11_dpy_name = XDisplayString(x11_dpy);
if (x11_dpy_name && test_dpy_name)
m = strcmp(x11_dpy_name, test_dpy_name) == 0;
else
m = !x11_dpy_name && !test_dpy_name;
XCloseDisplay(test_dpy);
return m;
}
Bool VA_FGLRXGetClientDriverName( Display *dpy, int screen,
int *ddxDriverMajorVersion, int *ddxDriverMinorVersion,
int *ddxDriverPatchVersion, char **clientDriverName )
{
ADL_MAIN_CONTROL_CREATE ADL_Main_Control_Create;
ADL_MAIN_CONTROL_DESTROY ADL_Main_Control_Destroy;
ADL_ADAPTER_NUMBEROFADAPTERS_GET ADL_Adapter_NumberOfAdapters_Get;
ADL_ADAPTER_ADAPTERINFO_GET ADL_Adapter_AdapterInfo_Get;
ADL_ADAPTER_XSCREENINFO_GET ADL_Adapter_XScreenInfo_Get;
LPAdapterInfo lpAdapterInfo = NULL;
LPXScreenInfo lpXScreenInfo = NULL;
void *libadl_handle = NULL;
Bool success = False;
int is_adl_initialized = 0;
int i, num_adapters, lpAdapterInfo_size, lpXScreenInfo_size;
if (ddxDriverMajorVersion)
*ddxDriverMajorVersion = 0;
if (ddxDriverMinorVersion)
*ddxDriverMinorVersion = 0;
if (ddxDriverPatchVersion)
*ddxDriverPatchVersion = 0;
if (clientDriverName)
*clientDriverName = NULL;
libadl_handle = dlopen("libatiadlxx.so", RTLD_LAZY|RTLD_GLOBAL);
if (!libadl_handle)
goto end;
dlerror();
ADL_Main_Control_Create = (ADL_MAIN_CONTROL_CREATE)
dlsym(libadl_handle,"ADL_Main_Control_Create");
if (dlerror())
goto end;
ADL_Main_Control_Destroy = (ADL_MAIN_CONTROL_DESTROY)
dlsym(libadl_handle,"ADL_Main_Control_Destroy");
if (dlerror())
goto end;
ADL_Adapter_NumberOfAdapters_Get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET)
dlsym(libadl_handle,"ADL_Adapter_NumberOfAdapters_Get");
if (dlerror())
goto end;
ADL_Adapter_AdapterInfo_Get = (ADL_ADAPTER_ADAPTERINFO_GET)
dlsym(libadl_handle,"ADL_Adapter_AdapterInfo_Get");
if (dlerror())
goto end;
ADL_Adapter_XScreenInfo_Get = (ADL_ADAPTER_XSCREENINFO_GET)
dlsym(libadl_handle,"ADL_Adapter_XScreenInfo_Get");
if (dlerror())
goto end;
if (ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1) != ADL_OK)
goto end;
is_adl_initialized = 1;
if (ADL_Adapter_NumberOfAdapters_Get(&num_adapters) != ADL_OK)
goto end;
if (num_adapters <= 0)
goto end;
lpAdapterInfo_size = num_adapters * sizeof(*lpAdapterInfo);
lpAdapterInfo = ADL_Main_Memory_Alloc(lpAdapterInfo_size);
if (!lpAdapterInfo)
goto end;
memset(lpAdapterInfo, 0, lpAdapterInfo_size);
for (i = 0; i < num_adapters; i++)
lpAdapterInfo[i].iSize = sizeof(lpAdapterInfo[i]);
lpXScreenInfo_size = num_adapters * sizeof(*lpXScreenInfo);
lpXScreenInfo = ADL_Main_Memory_Alloc(lpXScreenInfo_size);
if (!lpXScreenInfo)
goto end;
memset(lpXScreenInfo, 0, lpXScreenInfo_size);
if (ADL_Adapter_AdapterInfo_Get(lpAdapterInfo, lpAdapterInfo_size) != ADL_OK)
goto end;
if (ADL_Adapter_XScreenInfo_Get(lpXScreenInfo, lpXScreenInfo_size) != ADL_OK)
goto end;
for (i = 0; i < num_adapters; i++) {
LPXScreenInfo const lpCurrXScreenInfo = &lpXScreenInfo[i];
LPAdapterInfo const lpCurrAdapterInfo = &lpAdapterInfo[i];
if (!lpCurrAdapterInfo->iPresent)
continue;
#if 0
printf("Adapter %d:\n", i);
printf(" iAdapterIndex: %d\n", lpCurrAdapterInfo->iAdapterIndex);
printf(" strUDID: '%s'\n", lpCurrAdapterInfo->strUDID);
printf(" iBusNumber: %d\n", lpCurrAdapterInfo->iBusNumber);
printf(" iDeviceNumber: %d\n", lpCurrAdapterInfo->iDeviceNumber);
printf(" iFunctionNumber: %d\n", lpCurrAdapterInfo->iFunctionNumber);
printf(" iVendorID: 0x%04x\n", lpCurrAdapterInfo->iVendorID);
printf(" strAdapterName: '%s'\n", lpCurrAdapterInfo->strAdapterName);
printf(" strDisplayName: '%s'\n", lpCurrAdapterInfo->strDisplayName);
printf(" iPresent: %d\n", lpCurrAdapterInfo->iPresent);
printf(" iXScreenNum: %d\n", lpCurrXScreenInfo->iXScreenNum);
#endif
if (match_display(dpy, lpCurrAdapterInfo->strDisplayName) &&
screen == lpCurrXScreenInfo->iXScreenNum) {
*clientDriverName = strdup("fglrx");
break;
}
}
success = True;
end:
if (lpXScreenInfo)
ADL_Main_Memory_Free(&lpXScreenInfo);
if (lpAdapterInfo)
ADL_Main_Memory_Free(&lpAdapterInfo);
if (is_adl_initialized)
ADL_Main_Control_Destroy();
if (libadl_handle)
dlclose(libadl_handle);
return success;
}
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