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/**************************************************************************
*
* 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 VMWARE 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_memory.h"
#include "util/u_dl.h"
#include "sw/dri/dri_sw_winsys.h"
#include "sw/null/null_sw_winsys.h"
#ifdef HAVE_PIPE_LOADER_XLIB
/* Explicitly wrap the header to ease build without X11 headers */
#include "sw/xlib/xlib_sw_winsys.h"
#endif
#include "target-helpers/inline_sw_helper.h"
#include "state_tracker/drisw_api.h"
struct pipe_loader_sw_device {
struct pipe_loader_device base;
struct util_dl_library *lib;
struct sw_winsys *ws;
};
#define pipe_loader_sw_device(dev) ((struct pipe_loader_sw_device *)dev)
static struct pipe_loader_ops pipe_loader_sw_ops;
static struct sw_winsys *(*backends[])() = {
null_sw_create
};
#ifdef HAVE_PIPE_LOADER_XLIB
bool
pipe_loader_sw_probe_xlib(struct pipe_loader_device **devs, Display *display)
{
struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
if (!sdev)
return false;
sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE;
sdev->base.driver_name = "swrast";
sdev->base.ops = &pipe_loader_sw_ops;
sdev->ws = xlib_create_sw_winsys(display);
if (!sdev->ws) {
FREE(sdev);
return false;
}
*devs = &sdev->base;
return true;
}
#endif
bool
pipe_loader_sw_probe_dri(struct pipe_loader_device **devs, struct drisw_loader_funcs *drisw_lf)
{
struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
if (!sdev)
return false;
sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE;
sdev->base.driver_name = "swrast";
sdev->base.ops = &pipe_loader_sw_ops;
sdev->ws = dri_create_sw_winsys(drisw_lf);
if (!sdev->ws) {
FREE(sdev);
return false;
}
*devs = &sdev->base;
return true;
}
bool
pipe_loader_sw_probe_null(struct pipe_loader_device **devs)
{
struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
if (!sdev)
return false;
sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE;
sdev->base.driver_name = "swrast";
sdev->base.ops = &pipe_loader_sw_ops;
sdev->ws = null_sw_create();
if (!sdev->ws) {
FREE(sdev);
return false;
}
*devs = &sdev->base;
return true;
}
int
pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev)
{
int i;
for (i = 0; i < Elements(backends); i++) {
if (i < ndev) {
struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
/* TODO: handle CALLOC_STRUCT failure */
sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE;
sdev->base.driver_name = "swrast";
sdev->base.ops = &pipe_loader_sw_ops;
sdev->ws = backends[i]();
devs[i] = &sdev->base;
}
}
return i;
}
static void
pipe_loader_sw_release(struct pipe_loader_device **dev)
{
struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(*dev);
if (sdev->ws && sdev->ws->destroy)
sdev->ws->destroy(sdev->ws);
if (sdev->lib)
util_dl_close(sdev->lib);
FREE(sdev);
*dev = NULL;
}
static struct pipe_screen *
pipe_loader_sw_create_screen(struct pipe_loader_device *dev,
const char *library_paths)
{
struct pipe_loader_sw_device *sdev = pipe_loader_sw_device(dev);
struct pipe_screen *(*init)(struct sw_winsys *);
if (!sdev->lib)
sdev->lib = pipe_loader_find_module(dev, library_paths);
if (!sdev->lib)
return NULL;
init = (void *)util_dl_get_proc_address(sdev->lib, "swrast_create_screen");
if (!init){
util_dl_close(sdev->lib);
sdev->lib = NULL;
return NULL;
}
return init(sdev->ws);
}
static struct pipe_loader_ops pipe_loader_sw_ops = {
.create_screen = pipe_loader_sw_create_screen,
.release = pipe_loader_sw_release
};
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