mesa/src/imagination/vulkan/winsys/pvr_winsys.c

79 lines
2.5 KiB
C

/*
* Copyright © 2022 Imagination Technologies Ltd.
*
* 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.
*/
#include <stdbool.h>
#include <vulkan/vulkan.h>
#include <xf86drm.h>
#include "powervr/pvr_drm_public.h"
#include "pvr_private.h"
#include "pvr_winsys.h"
#include "vk_log.h"
#if defined(PVR_SUPPORT_SERVICES_DRIVER)
# include "pvrsrvkm/pvr_srv_public.h"
#endif
void pvr_winsys_destroy(struct pvr_winsys *ws)
{
ws->ops->destroy(ws);
}
struct pvr_winsys *pvr_winsys_create(int master_fd,
int render_fd,
const VkAllocationCallbacks *alloc)
{
#if defined(PVR_SUPPORT_SERVICES_DRIVER)
drmVersionPtr version;
bool services_driver;
version = drmGetVersion(render_fd);
if (!version) {
vk_errorf(NULL,
VK_ERROR_INCOMPATIBLE_DRIVER,
"Failed to query kernel driver version for device.");
return NULL;
}
if (strcmp(version->name, "pvr") == 0) {
services_driver = true;
} else if (strcmp(version->name, "powervr") == 0) {
services_driver = false;
} else {
drmFreeVersion(version);
vk_errorf(
NULL,
VK_ERROR_INCOMPATIBLE_DRIVER,
"Device does not use any of the supported pvrsrvkm or powervr kernel driver.");
return NULL;
}
drmFreeVersion(version);
if (services_driver)
return pvr_srv_winsys_create(master_fd, render_fd, alloc);
#endif
return pvr_drm_winsys_create(master_fd, render_fd, alloc);
}