0,0 → 1,140 |
/************************************************************************** |
* |
* 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. |
* |
**************************************************************************/ |
|
/** |
* \file Library that provides device enumeration and creation of |
* winsys/pipe_screen instances. |
*/ |
|
#ifndef PIPE_LOADER_H |
#define PIPE_LOADER_H |
|
#include "pipe/p_compiler.h" |
|
#ifdef __cplusplus |
extern "C" { |
#endif |
|
struct pipe_screen; |
|
enum pipe_loader_device_type { |
PIPE_LOADER_DEVICE_SOFTWARE, |
PIPE_LOADER_DEVICE_PCI, |
NUM_PIPE_LOADER_DEVICE_TYPES |
}; |
|
/** |
* A device known to the pipe loader. |
*/ |
struct pipe_loader_device { |
enum pipe_loader_device_type type; |
|
union { |
struct { |
int vendor_id; |
int chip_id; |
} pci; |
} u; /**< Discriminated by \a type */ |
|
const char *driver_name; |
const struct pipe_loader_ops *ops; |
}; |
|
/** |
* Get a list of known devices. |
* |
* \param devs Array that will be filled with pointers to the devices |
* available in the system. |
* \param ndev Maximum number of devices to return. |
* \return Number of devices available in the system. |
*/ |
int |
pipe_loader_probe(struct pipe_loader_device **devs, int ndev); |
|
/** |
* Create a pipe_screen for the specified device. |
* |
* \param dev Device the screen will be created for. |
* \param library_paths Colon-separated list of filesystem paths that |
* will be used to look for the pipe driver |
* module that handles this device. |
*/ |
struct pipe_screen * |
pipe_loader_create_screen(struct pipe_loader_device *dev, |
const char *library_paths); |
|
/** |
* Release resources allocated for a list of devices. |
* |
* Should be called when the specified devices are no longer in use to |
* release any resources allocated by pipe_loader_probe. |
* |
* \param devs Devices to release. |
* \param ndev Number of devices to release. |
*/ |
void |
pipe_loader_release(struct pipe_loader_device **devs, int ndev); |
|
/** |
* Get a list of known software devices. |
* |
* This function is platform-specific. |
* |
* \sa pipe_loader_probe |
*/ |
int |
pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev); |
|
#ifdef HAVE_PIPE_LOADER_DRM |
|
/** |
* Get a list of known DRM devices. |
* |
* This function is platform-specific. |
* |
* \sa pipe_loader_probe |
*/ |
int |
pipe_loader_drm_probe(struct pipe_loader_device **devs, int ndev); |
|
/** |
* Initialize a DRM device in an already opened fd. |
* |
* This function is platform-specific. |
* |
* \sa pipe_loader_probe |
*/ |
boolean |
pipe_loader_drm_probe_fd(struct pipe_loader_device **dev, int fd); |
|
#endif |
|
#ifdef __cplusplus |
} |
#endif |
|
#endif /* PIPE_LOADER_H */ |