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/*
* Copyright (C) 2016 Christian Gmeiner <christian.gmeiner@gmail.com>
* Copyright (C) 2017 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 <fcntl.h>
#include <unistd.h>
#include "kmsro_drm_public.h"
#include "vc4/drm/vc4_drm_public.h"
#include "xf86drm.h"
#include "pipe/p_screen.h"
#include "renderonly/renderonly.h"
struct pipe_screen *kmsro_drm_screen_create(int fd)
{
struct renderonly ro = {
/* Passes the vc4-allocated BO through to the KMS-only DRM device using
* PRIME buffer sharing. The VC4 BO must be linear, which the SCANOUT
* flag on allocation will have ensured.
*/
.create_for_resource = renderonly_create_gpu_import_for_resource,
.kms_fd = fd,
.gpu_fd = drmOpenWithType("vc4", NULL, DRM_NODE_RENDER),
};
if (ro.gpu_fd < 0)
return NULL;
struct pipe_screen *screen = vc4_drm_screen_create_renderonly(&ro);
if (!screen)
close(ro.gpu_fd);
return screen;
}
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