diff options
Diffstat (limited to 'src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h')
-rw-r--r-- | src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h b/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h new file mode 100644 index 00000000..6c145eb0 --- /dev/null +++ b/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h @@ -0,0 +1,66 @@ +/* $Id: VBoxGaHwSVGA.h $ */ +/** @file + * VirtualBox Windows Guest Mesa3D - Gallium driver interface. + */ + +/* + * 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 + */ + +#ifndef GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h +#define GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/types.h> + +/* + * VBOXGAHWINFOSVGA contains information about the virtual hardware, which is neede dy the user mode + * Gallium driver. The driver can not query the info at the initialization time, therefore + * we send the complete info to the driver. + * + * Since both FIFO and SVGA_REG_ are expanded over time, we reserve some space. + * The Gallium user mode driver can figure out which part of au32Regs and au32Fifo + * is valid from the raw data. + * + * VBOXGAHWINFOSVGA struct goes both to 32 and 64 bit user mode binaries, take care of alignment. + */ +#pragma pack(1) +typedef struct VBOXGAHWINFOSVGA +{ + uint32_t cbInfoSVGA; + + /* Copy of SVGA_REG_*, up to 256, currently 58 are used. */ + uint32_t au32Regs[256]; + + /* Copy of FIFO registers, up to 1024, currently 290 are used. */ + uint32_t au32Fifo[1024]; + + /* Currently SVGA has 260 caps, 512 should be ok for near future. + * This is a copy of SVGA3D_DEVCAP_* values returned by the host. + * Only valid if SVGA_CAP_GBOBJECTS is set in SVGA_REG_CAPABILITIES. + */ + uint32_t au32Caps[512]; +} VBOXGAHWINFOSVGA; +#pragma pack() + +#endif /* !GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h */ |