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/*
* Copyright (C) 2016-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/**********************************************************
* Copyright 2009-2015 VMware, Inc. 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, 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 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 "../wddm_screen.h"
#include "vmw_fence.h"
#include "vmw_context.h"
#include "vmwgfx_drm.h"
#include "util/os_file.h"
#include "util/u_memory.h"
#include "pipe/p_compiler.h"
#include "util/u_hash_table.h"
/* Called from vmw_drm_create_screen(), creates and initializes the
* vmw_winsys_screen structure, which is the main entity in this
* module.
* First, check whether a vmw_winsys_screen object already exists for
* this device, and in that case return that one, making sure that we
* have our own file descriptor open to DRM.
*/
struct vmw_winsys_screen_wddm *
vmw_winsys_create_wddm(const WDDMGalliumDriverEnv *pEnv)
{
struct vmw_winsys_screen_wddm *vws_wddm;
struct vmw_winsys_screen *vws;
if ( pEnv->pHWInfo == NULL
|| pEnv->pHWInfo->u32HwType != VBOX_GA_HW_TYPE_VMSVGA)
return NULL;
vws_wddm = CALLOC_STRUCT(vmw_winsys_screen_wddm);
vws = &vws_wddm->base;
if (!vws)
goto out_no_vws;
vws_wddm->pEnv = pEnv;
vws_wddm->HwInfo = pEnv->pHWInfo->u.svga;
vws->device = 0; /* not used */
vws->open_count = 1;
vws->ioctl.drm_fd = -1; /* not used */
vws->force_coherent = FALSE;
if (!vmw_ioctl_init(vws))
goto out_no_ioctl;
vws->base.have_gb_dma = !vws->force_coherent;
vws->base.need_to_rebind_resources = FALSE;
vws->base.have_transfer_from_buffer_cmd = vws->base.have_vgpu10;
vws->base.have_constant_buffer_offset_cmd = FALSE;
vws->cache_maps = FALSE;
vws->fence_ops = vmw_fence_ops_create(vws);
if (!vws->fence_ops)
goto out_no_fence_ops;
if(!vmw_pools_init(vws))
goto out_no_pools;
if (!vmw_winsys_screen_init_svga(vws))
goto out_no_svga;
cnd_init(&vws->cs_cond);
mtx_init(&vws->cs_mutex, mtx_plain);
return vws_wddm;
out_no_svga:
vmw_pools_cleanup(vws);
out_no_pools:
vws->fence_ops->destroy(vws->fence_ops);
out_no_fence_ops:
vmw_ioctl_cleanup(vws);
out_no_ioctl:
FREE(vws);
out_no_vws:
return NULL;
}
void
vmw_winsys_destroy(struct vmw_winsys_screen *vws)
{
if (--vws->open_count == 0) {
vmw_pools_cleanup(vws);
vws->fence_ops->destroy(vws->fence_ops);
vmw_ioctl_cleanup(vws);
mtx_destroy(&vws->cs_mutex);
cnd_destroy(&vws->cs_cond);
FREE(vws);
}
}
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