Add libva to chromium third_party.

third_party/libva/va/x11/va_fglrx.c

+/*
+ * 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 get_display_name_length(const char *name)
+{
+    const char *m;
+
+    if (!name)
+        return 0;
+
+    /* Strip out screen number */
+    m = strchr(name, ':');
+    if (m) {
+        m = strchr(m, '.');
+        if (m)
+            return m - name;
+    }
+    return strlen(name);
+}
+
+static int match_display_name(Display *x11_dpy, const char *display_name)
+{
+    Display *test_dpy;
+    char *test_dpy_name, *x11_dpy_name;
+    int test_dpy_namelen, x11_dpy_namelen;
+    int m;
+
+    test_dpy = XOpenDisplay(display_name);
+    if (!test_dpy)
+        return 0;
+
+    test_dpy_name    = XDisplayString(test_dpy);
+    test_dpy_namelen = get_display_name_length(test_dpy_name);
+    x11_dpy_name     = XDisplayString(x11_dpy);
+    x11_dpy_namelen  = get_display_name_length(x11_dpy_name);
+
+    m = (test_dpy_namelen == x11_dpy_namelen &&
+         (test_dpy_namelen == 0 ||
+          (test_dpy_namelen > 0 &&
+           strncmp(test_dpy_name, x11_dpy_name, test_dpy_namelen) == 0)));
+
+    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 (screen == lpCurrXScreenInfo->iXScreenNum &&
+            match_display_name(dpy, lpCurrAdapterInfo->strDisplayName)) {
+            if (clientDriverName)
+                *clientDriverName = strdup("fglrx");
+            success = True;
+            break;
+        }
+    }
+
+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;
+}