diff options
Diffstat (limited to 'src/VBox/Additions/3D/win/VBoxSVGA/winsys/vmw_screen_wddm.c')
| -rw-r--r-- | src/VBox/Additions/3D/win/VBoxSVGA/winsys/vmw_screen_wddm.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/VBox/Additions/3D/win/VBoxSVGA/winsys/vmw_screen_wddm.c b/src/VBox/Additions/3D/win/VBoxSVGA/winsys/vmw_screen_wddm.c new file mode 100644 index 00000000..16b0ac21 --- /dev/null +++ b/src/VBox/Additions/3D/win/VBoxSVGA/winsys/vmw_screen_wddm.c @@ -0,0 +1,177 @@ +/* + * 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); +} |