| 1 | /* $Id: VBoxVideo_common.h 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxVideo, Haiku Guest Additions, common header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2024 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 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | /*
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| 29 | * This code is based on:
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| 30 | *
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| 31 | * VirtualBox Guest Additions for Haiku.
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| 32 | * Copyright (c) 2011 Mike Smith <mike@scgtrp.net>
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| 33 | * François Revol <revol@free.fr>
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| 34 | *
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| 35 | * Permission is hereby granted, free of charge, to any person
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| 36 | * obtaining a copy of this software and associated documentation
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| 37 | * files (the "Software"), to deal in the Software without
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| 38 | * restriction, including without limitation the rights to use,
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| 39 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 40 | * copies of the Software, and to permit persons to whom the
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| 41 | * Software is furnished to do so, subject to the following
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| 42 | * conditions:
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| 43 | *
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| 44 | * The above copyright notice and this permission notice shall be
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| 45 | * included in all copies or substantial portions of the Software.
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| 46 | *
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| 47 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 48 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 49 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 50 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 51 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 52 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 53 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 54 | * OTHER DEALINGS IN THE SOFTWARE.
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| 55 | */
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| 56 |
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| 57 | #ifndef GA_INCLUDED_SRC_haiku_VBoxVideo_common_VBoxVideo_common_h
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| 58 | #define GA_INCLUDED_SRC_haiku_VBoxVideo_common_VBoxVideo_common_h
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| 59 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 60 | # pragma once
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| 61 | #endif
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| 62 |
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| 63 | #include <Drivers.h>
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| 64 | #include <Accelerant.h>
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| 65 | #include <PCI.h>
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| 66 |
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| 67 | struct SharedInfo
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| 68 | {
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| 69 | display_mode currentMode;
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| 70 | area_id framebufferArea;
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| 71 | void *framebuffer;
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| 72 | };
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| 73 |
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| 74 | enum
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| 75 | {
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| 76 | VBOXVIDEO_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
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| 77 | VBOXVIDEO_GET_DEVICE_NAME,
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| 78 | VBOXVIDEO_SET_DISPLAY_MODE
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| 79 | };
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| 80 |
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| 81 | static inline uint32 get_color_space_for_depth(uint32 depth)
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| 82 | {
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| 83 | switch (depth)
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| 84 | {
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| 85 | case 1: return B_GRAY1;
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| 86 | case 4: return B_GRAY8;
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| 87 | /* The app_server is smart enough to translate this to VGA mode */
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| 88 | case 8: return B_CMAP8;
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| 89 | case 15: return B_RGB15;
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| 90 | case 16: return B_RGB16;
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| 91 | case 24: return B_RGB24;
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| 92 | case 32: return B_RGB32;
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| 93 | }
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| 94 |
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| 95 | return 0;
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| 96 | }
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| 97 |
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| 98 | static inline uint32 get_depth_for_color_space(uint32 depth)
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| 99 | {
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| 100 | switch (depth)
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| 101 | {
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| 102 | case B_GRAY1: return 1;
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| 103 | case B_GRAY8: return 4;
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| 104 | case B_CMAP8: return 8;
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| 105 | case B_RGB15: return 15;
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| 106 | case B_RGB16: return 16;
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| 107 | case B_RGB24: return 24;
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| 108 | case B_RGB32: return 32;
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| 109 | }
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| 110 | return 0;
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| 111 | }
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| 112 |
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| 113 | #endif /* !GA_INCLUDED_SRC_haiku_VBoxVideo_common_VBoxVideo_common_h */
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| 114 |
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