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/*
* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef LOADER_H
#define LOADER_H
#include <stdbool.h>
#include <sys/stat.h>
#include <stddef.h>
#include "mesa_interface.h"
#ifdef __cplusplus
extern "C" {
#endif
struct __DRIextensionRec;
/* Helpers to figure out driver and device name, eg. from pci-id, etc. */
int
loader_open_device(const char *);
char *
loader_get_kernel_driver_name(int fd);
int
loader_open_render_node_platform_device(const char * const drivers[],
unsigned int n_drivers);
bool
loader_is_device_render_capable(int fd);
char *
loader_get_render_node(dev_t device);
bool
loader_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id);
char *
loader_get_driver_for_fd(int fd);
void *
loader_open_driver_lib(const char *driver_name,
const char *lib_suffix,
const char **search_path_vars,
const char *default_search_path,
bool warn_on_fail);
char *
loader_get_device_name_for_fd(int fd);
/* For dri prime gpu offloading this function will take current render fd and possibly
* update it with new prime gpu offloading fd. For dri prime gpu offloading optionally
* this function can return the original fd. Also this function returns true/false based
* on render gpu is different from display gpu.
*/
bool
loader_get_user_preferred_fd(int *fd_render_gpu, int *original_fd);
/* for logging.. keep this aligned with egllog.h so we can just use
* _eglLog directly.
*/
#define _LOADER_FATAL 0 /* unrecoverable error */
#define _LOADER_WARNING 1 /* recoverable error/problem */
#define _LOADER_INFO 2 /* just useful info */
#define _LOADER_DEBUG 3 /* useful info for debugging */
typedef void loader_logger(int level, const char *fmt, ...);
void
loader_set_logger(loader_logger *logger);
struct dri_extension_match {
/* __DRI_* extension name */
const char *name;
/* Required minimum version in the extension struct */
int version;
/* offset in the data arg at which to store a pointer to the extension */
int offset;
bool optional;
};
bool loader_bind_extensions(void *data,
const struct dri_extension_match *matches, size_t num_matches,
const __DRIextension **extensions);
#ifdef __cplusplus
}
#endif
#endif /* LOADER_H */
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