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/*
* Copyright © 2014 Broadcom
*
* 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 <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "util/os_file.h"
#include "renderonly/renderonly.h"
#include "kmsro/drm/kmsro_drm_public.h"
#include "vc4_drm_public.h"
#include "vc4/vc4_screen.h"
#include "drm-uapi/vc4_drm.h"
struct pipe_screen *
vc4_drm_screen_create(int fd, const struct pipe_screen_config *config)
{
bool v3d_present = true;
#ifndef USE_VC4_SIMULATOR
struct drm_vc4_get_param ident0 = {
.param = DRM_VC4_PARAM_V3D_IDENT0,
};
int ret = ioctl(fd, DRM_IOCTL_VC4_GET_PARAM, &ident0);
v3d_present = ret == 0;
#endif
if (v3d_present)
return vc4_screen_create(os_dupfd_cloexec(fd), NULL);
#ifdef GALLIUM_KMSRO
return kmsro_drm_screen_create(fd, config);
#endif
return NULL;
}
struct pipe_screen *
vc4_drm_screen_create_renderonly(struct renderonly *ro,
const struct pipe_screen_config *config)
{
return vc4_screen_create(fcntl(ro->gpu_fd, F_DUPFD_CLOEXEC, 3), ro);
}
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