forked from KolibriOS/kolibrios
247 lines
8.0 KiB
C
247 lines
8.0 KiB
C
/*
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* Copyright (C) 2010 Splitted-Desktop Systems. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dlfcn.h>
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#include <X11/Xlib.h>
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#define ADL_OK 0
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#define ADL_MAX_PATH 256
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/*
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* Based on public AMD Display Library (ADL) SDK:
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* <http://developer.amd.com/gpu/adlsdk/Pages/default.aspx>
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*/
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typedef struct AdapterInfo {
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int iSize;
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int iAdapterIndex;
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char strUDID[ADL_MAX_PATH];
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int iBusNumber;
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int iDeviceNumber;
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int iFunctionNumber;
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int iVendorID;
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char strAdapterName[ADL_MAX_PATH];
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char strDisplayName[ADL_MAX_PATH];
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int iPresent;
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int iXScreenNum;
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int iDrvIndex;
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char strXScreenConfigName[ADL_MAX_PATH];
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} AdapterInfo, *LPAdapterInfo;
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typedef struct XScreenInfo {
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int iXScreenNum;
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char strXScreenConfigName[ADL_MAX_PATH];
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} XScreenInfo, *LPXScreenInfo;
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typedef void *(*ADL_MAIN_MALLOC_CALLBACK)(int);
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typedef int (*ADL_MAIN_CONTROL_CREATE)(ADL_MAIN_MALLOC_CALLBACK, int);
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typedef int (*ADL_MAIN_CONTROL_DESTROY)(void);
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typedef int (*ADL_ADAPTER_NUMBEROFADAPTERS_GET)(int *);
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typedef int (*ADL_ADAPTER_ADAPTERINFO_GET)(LPAdapterInfo, int);
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typedef int (*ADL_ADAPTER_XSCREENINFO_GET)(LPXScreenInfo, int);
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static void *ADL_Main_Memory_Alloc(int iSize)
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{
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return malloc(iSize);
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}
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static void ADL_Main_Memory_Free(void *arg)
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{
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void ** const lpBuffer = arg;
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if (lpBuffer && *lpBuffer) {
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free(*lpBuffer);
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*lpBuffer = NULL;
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}
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}
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static int get_display_name_length(const char *name)
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{
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const char *m;
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if (!name)
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return 0;
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/* Strip out screen number */
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m = strchr(name, ':');
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if (m) {
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m = strchr(m, '.');
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if (m)
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return m - name;
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}
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return strlen(name);
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}
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static int match_display_name(Display *x11_dpy, const char *display_name)
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{
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Display *test_dpy;
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char *test_dpy_name, *x11_dpy_name;
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int test_dpy_namelen, x11_dpy_namelen;
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int m;
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test_dpy = XOpenDisplay(display_name);
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if (!test_dpy)
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return 0;
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test_dpy_name = XDisplayString(test_dpy);
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test_dpy_namelen = get_display_name_length(test_dpy_name);
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x11_dpy_name = XDisplayString(x11_dpy);
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x11_dpy_namelen = get_display_name_length(x11_dpy_name);
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m = (test_dpy_namelen == x11_dpy_namelen &&
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(test_dpy_namelen == 0 ||
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(test_dpy_namelen > 0 &&
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strncmp(test_dpy_name, x11_dpy_name, test_dpy_namelen) == 0)));
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XCloseDisplay(test_dpy);
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return m;
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}
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Bool VA_FGLRXGetClientDriverName( Display *dpy, int screen,
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int *ddxDriverMajorVersion, int *ddxDriverMinorVersion,
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int *ddxDriverPatchVersion, char **clientDriverName )
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{
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ADL_MAIN_CONTROL_CREATE ADL_Main_Control_Create;
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ADL_MAIN_CONTROL_DESTROY ADL_Main_Control_Destroy;
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ADL_ADAPTER_NUMBEROFADAPTERS_GET ADL_Adapter_NumberOfAdapters_Get;
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ADL_ADAPTER_ADAPTERINFO_GET ADL_Adapter_AdapterInfo_Get;
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ADL_ADAPTER_XSCREENINFO_GET ADL_Adapter_XScreenInfo_Get;
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LPAdapterInfo lpAdapterInfo = NULL;
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LPXScreenInfo lpXScreenInfo = NULL;
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void *libadl_handle = NULL;
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Bool success = False;
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int is_adl_initialized = 0;
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int i, num_adapters, lpAdapterInfo_size, lpXScreenInfo_size;
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if (ddxDriverMajorVersion)
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*ddxDriverMajorVersion = 0;
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if (ddxDriverMinorVersion)
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*ddxDriverMinorVersion = 0;
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if (ddxDriverPatchVersion)
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*ddxDriverPatchVersion = 0;
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if (clientDriverName)
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*clientDriverName = NULL;
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libadl_handle = dlopen("libatiadlxx.so", RTLD_LAZY|RTLD_GLOBAL);
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if (!libadl_handle)
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goto end;
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dlerror();
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ADL_Main_Control_Create = (ADL_MAIN_CONTROL_CREATE)
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dlsym(libadl_handle,"ADL_Main_Control_Create");
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if (dlerror())
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goto end;
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ADL_Main_Control_Destroy = (ADL_MAIN_CONTROL_DESTROY)
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dlsym(libadl_handle,"ADL_Main_Control_Destroy");
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if (dlerror())
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goto end;
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ADL_Adapter_NumberOfAdapters_Get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET)
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dlsym(libadl_handle,"ADL_Adapter_NumberOfAdapters_Get");
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if (dlerror())
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goto end;
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ADL_Adapter_AdapterInfo_Get = (ADL_ADAPTER_ADAPTERINFO_GET)
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dlsym(libadl_handle,"ADL_Adapter_AdapterInfo_Get");
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if (dlerror())
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goto end;
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ADL_Adapter_XScreenInfo_Get = (ADL_ADAPTER_XSCREENINFO_GET)
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dlsym(libadl_handle,"ADL_Adapter_XScreenInfo_Get");
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if (dlerror())
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goto end;
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if (ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1) != ADL_OK)
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goto end;
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is_adl_initialized = 1;
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if (ADL_Adapter_NumberOfAdapters_Get(&num_adapters) != ADL_OK)
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goto end;
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if (num_adapters <= 0)
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goto end;
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lpAdapterInfo_size = num_adapters * sizeof(*lpAdapterInfo);
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lpAdapterInfo = ADL_Main_Memory_Alloc(lpAdapterInfo_size);
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if (!lpAdapterInfo)
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goto end;
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memset(lpAdapterInfo, 0, lpAdapterInfo_size);
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for (i = 0; i < num_adapters; i++)
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lpAdapterInfo[i].iSize = sizeof(lpAdapterInfo[i]);
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lpXScreenInfo_size = num_adapters * sizeof(*lpXScreenInfo);
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lpXScreenInfo = ADL_Main_Memory_Alloc(lpXScreenInfo_size);
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if (!lpXScreenInfo)
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goto end;
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memset(lpXScreenInfo, 0, lpXScreenInfo_size);
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if (ADL_Adapter_AdapterInfo_Get(lpAdapterInfo, lpAdapterInfo_size) != ADL_OK)
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goto end;
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if (ADL_Adapter_XScreenInfo_Get(lpXScreenInfo, lpXScreenInfo_size) != ADL_OK)
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goto end;
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for (i = 0; i < num_adapters; i++) {
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LPXScreenInfo const lpCurrXScreenInfo = &lpXScreenInfo[i];
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LPAdapterInfo const lpCurrAdapterInfo = &lpAdapterInfo[i];
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if (!lpCurrAdapterInfo->iPresent)
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continue;
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#if 0
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printf("Adapter %d:\n", i);
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printf(" iAdapterIndex: %d\n", lpCurrAdapterInfo->iAdapterIndex);
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printf(" strUDID: '%s'\n", lpCurrAdapterInfo->strUDID);
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printf(" iBusNumber: %d\n", lpCurrAdapterInfo->iBusNumber);
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printf(" iDeviceNumber: %d\n", lpCurrAdapterInfo->iDeviceNumber);
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printf(" iFunctionNumber: %d\n", lpCurrAdapterInfo->iFunctionNumber);
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printf(" iVendorID: 0x%04x\n", lpCurrAdapterInfo->iVendorID);
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printf(" strAdapterName: '%s'\n", lpCurrAdapterInfo->strAdapterName);
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printf(" strDisplayName: '%s'\n", lpCurrAdapterInfo->strDisplayName);
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printf(" iPresent: %d\n", lpCurrAdapterInfo->iPresent);
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printf(" iXScreenNum: %d\n", lpCurrXScreenInfo->iXScreenNum);
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#endif
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if (screen == lpCurrXScreenInfo->iXScreenNum &&
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match_display_name(dpy, lpCurrAdapterInfo->strDisplayName)) {
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if (clientDriverName)
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*clientDriverName = strdup("fglrx");
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success = True;
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break;
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}
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}
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end:
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if (lpXScreenInfo)
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ADL_Main_Memory_Free(&lpXScreenInfo);
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if (lpAdapterInfo)
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ADL_Main_Memory_Free(&lpAdapterInfo);
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if (is_adl_initialized)
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ADL_Main_Control_Destroy();
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if (libadl_handle)
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dlclose(libadl_handle);
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return success;
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}
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