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/*
* Copyright (C) 2016-2023 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 "pipe/p_compiler.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "vmw_context.h"
#include "vmw_screen.h"
#include "vmw_surface.h"
#include "vmw_buffer.h"
#include "svga_drm_public.h"
#include "svga3d_surfacedefs.h"
#include "frontend/drm_driver.h"
#include "vmwgfx_drm.h"
#include "../wddm_screen.h"
#include <iprt/asm.h>
static struct svga_winsys_surface *
vmw_drm_surface_from_handle(struct svga_winsys_screen *sws,
struct winsys_handle *whandle,
SVGA3dSurfaceFormat *format);
static struct svga_winsys_surface *
vmw_drm_gb_surface_from_handle(struct svga_winsys_screen *sws,
struct winsys_handle *whandle,
SVGA3dSurfaceFormat *format);
static boolean
vmw_drm_surface_get_handle(struct svga_winsys_screen *sws,
struct svga_winsys_surface *surface,
unsigned stride,
struct winsys_handle *whandle);
struct vmw_winsys_screen_wddm *
vmw_winsys_create_wddm(const WDDMGalliumDriverEnv *pEnv);
/* This is actually the entrypoint to the entire driver,
* called by the target bootstrap code.
*/
struct svga_winsys_screen *
svga_wddm_winsys_screen_create(const WDDMGalliumDriverEnv *pEnv)
{
struct vmw_winsys_screen_wddm *vws;
if (pEnv->cb < sizeof(WDDMGalliumDriverEnv))
goto out_no_vws;
vws = vmw_winsys_create_wddm(pEnv);
if (!vws)
goto out_no_vws;
/* XXX do this properly */
vws->base.base.surface_from_handle = vws->base.base.have_gb_objects ?
vmw_drm_gb_surface_from_handle : vmw_drm_surface_from_handle;
vws->base.base.surface_get_handle = vmw_drm_surface_get_handle;
return &vws->base.base;
out_no_vws:
return NULL;
}
static struct svga_winsys_surface *
vmw_drm_gb_surface_from_handle(struct svga_winsys_screen *sws,
struct winsys_handle *whandle,
SVGA3dSurfaceFormat *format)
{
RT_NOREF3(sws, whandle, format);
return 0;
}
static struct svga_winsys_surface *
vmw_drm_surface_from_handle(struct svga_winsys_screen *sws,
struct winsys_handle *whandle,
SVGA3dSurfaceFormat *format)
{
RT_NOREF3(sws, whandle, format);
return 0;
}
/*
* The user mode driver asks the kernel driver to create a resource
* (vmw_ioctl_surface_create) and gets a sid (surface id).
* This function is supposed to convert the sid to a handle (file descriptor)
* which can be used to access the surface.
*/
static boolean
vmw_drm_surface_get_handle(struct svga_winsys_screen *sws,
struct svga_winsys_surface *surface,
unsigned stride,
struct winsys_handle *whandle)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
struct vmw_svga_winsys_surface *vsrf;
RT_NOREF(vws);
if (!surface)
return FALSE;
vsrf = vmw_svga_winsys_surface(surface);
whandle->handle = vsrf->sid;
whandle->stride = stride;
whandle->offset = 0;
switch (whandle->type) {
case WINSYS_HANDLE_TYPE_SHARED:
case WINSYS_HANDLE_TYPE_KMS:
whandle->handle = vsrf->sid;
break;
case WINSYS_HANDLE_TYPE_FD:
whandle->handle = vsrf->sid; /// @todo will this be enough for WDDM?
break;
default:
vmw_error("Attempt to export unsupported handle type %d.\n",
whandle->type);
return FALSE;
}
return TRUE;
}
void
vmw_svga_winsys_host_log(struct svga_winsys_screen *sws, const char *log)
{
(void)sws;
_debug_printf("%s\n", log);
}
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