0,0 → 1,101 |
/************************************************************************** |
* |
* Copyright 2012 Francisco Jerez |
* 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 TUNGSTEN GRAPHICS 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 "pipe_loader_priv.h" |
|
#include "util/u_inlines.h" |
#include "util/u_memory.h" |
#include "util/u_string.h" |
#include "util/u_dl.h" |
|
#define MODULE_PREFIX "pipe_" |
|
static int (*backends[])(struct pipe_loader_device **, int) = { |
#ifdef HAVE_PIPE_LOADER_DRM |
&pipe_loader_drm_probe, |
#endif |
&pipe_loader_sw_probe |
}; |
|
int |
pipe_loader_probe(struct pipe_loader_device **devs, int ndev) |
{ |
int i, n = 0; |
|
for (i = 0; i < Elements(backends); i++) |
n += backends[i](&devs[n], MAX2(0, ndev - n)); |
|
return n; |
} |
|
void |
pipe_loader_release(struct pipe_loader_device **devs, int ndev) |
{ |
int i; |
|
for (i = 0; i < ndev; i++) |
devs[i]->ops->release(&devs[i]); |
} |
|
struct pipe_screen * |
pipe_loader_create_screen(struct pipe_loader_device *dev, |
const char *library_paths) |
{ |
return dev->ops->create_screen(dev, library_paths); |
} |
|
struct util_dl_library * |
pipe_loader_find_module(struct pipe_loader_device *dev, |
const char *library_paths) |
{ |
struct util_dl_library *lib; |
const char *next; |
char path[PATH_MAX]; |
int len, ret; |
|
for (next = library_paths; *next; library_paths = next + 1) { |
next = util_strchrnul(library_paths, ':'); |
len = next - library_paths; |
|
if (len) |
ret = util_snprintf(path, sizeof(path), "%.*s/%s%s%s", |
len, library_paths, |
MODULE_PREFIX, dev->driver_name, UTIL_DL_EXT); |
else |
ret = util_snprintf(path, sizeof(path), "%s%s%s", |
MODULE_PREFIX, dev->driver_name, UTIL_DL_EXT); |
|
if (ret > 0 && ret < sizeof(path)) { |
lib = util_dl_open(path); |
if (lib) { |
return lib; |
} |
} |
} |
|
return NULL; |
} |