| 1 | /** @file
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| 2 | * Common defines which are being used by various graphics implementations
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| 3 | * (VBoxVGA, VBoxSVGA, VMSVGA) and Main.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2017-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 | #ifndef VBOX_INCLUDED_graphics_h
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| 38 | #define VBOX_INCLUDED_graphics_h
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| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 40 | # pragma once
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| 41 | #endif
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| 42 |
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| 43 | /** The default amount of VGA VRAM (in bytes). */
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| 44 | # define VGA_VRAM_DEFAULT (_4M)
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| 45 | /** The minimum amount of VGA VRAM (in bytes). */
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| 46 | # define VGA_VRAM_MIN (_1M)
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| 47 | /** The maximum amount of VGA VRAM (in bytes). Limited by VBOX_MAX_ALLOC_PAGE_COUNT. */
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| 48 | # define VGA_VRAM_MAX (256 * _1M)
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| 49 |
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| 50 | /** The minimum amount of SVGA VRAM (in bytes). */
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| 51 | #define SVGA_VRAM_MIN_SIZE (4 * 640 * 480)
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| 52 | /** The maximum amount of SVGA VRAM (in bytes) when 3D acceleration is enabled. */
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| 53 | #define SVGA_VRAM_MIN_SIZE_3D (16 * 1024 * 1024)
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| 54 | /** The maximum amount of SVGA VRAM (in bytes). */
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| 55 | #define SVGA_VRAM_MAX_SIZE (128 * 1024 * 1024)
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| 56 |
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| 57 | #endif /* !VBOX_INCLUDED_graphics_h */
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