| 1 | /* $Id: VBoxVideo_common.h 43363 2012-09-20 09:56:07Z 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 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | /*
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| 19 | * This code is based on:
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| 20 | *
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| 21 | * VirtualBox Guest Additions for Haiku.
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| 22 | * Copyright (c) 2011 Mike Smith <[email protected]>
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| 23 | * François Revol <[email protected]>
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| 24 | *
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| 25 | * Permission is hereby granted, free of charge, to any person
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| 26 | * obtaining a copy of this software and associated documentation
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| 27 | * files (the "Software"), to deal in the Software without
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| 28 | * restriction, including without limitation the rights to use,
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| 29 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 30 | * copies of the Software, and to permit persons to whom the
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| 31 | * Software is furnished to do so, subject to the following
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| 32 | * conditions:
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| 33 | *
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| 34 | * The above copyright notice and this permission notice shall be
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| 35 | * included in all copies or substantial portions of the Software.
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| 36 | *
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| 37 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 38 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 39 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 40 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 41 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 42 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 43 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 44 | * OTHER DEALINGS IN THE SOFTWARE.
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| 45 | */
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| 46 |
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| 47 | #ifndef _VBOXVIDEO_COMMON_H
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| 48 | #define _VBOXVIDEO_COMMON_H
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| 49 |
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| 50 | #include <Drivers.h>
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| 51 | #include <Accelerant.h>
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| 52 | #include <PCI.h>
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| 53 |
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| 54 | struct SharedInfo {
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| 55 | display_mode currentMode;
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| 56 |
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| 57 | area_id framebufferArea;
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| 58 | void* framebuffer;
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| 59 | };
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| 60 |
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| 61 | enum {
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| 62 | VBOXVIDEO_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
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| 63 | VBOXVIDEO_GET_DEVICE_NAME,
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| 64 | VBOXVIDEO_SET_DISPLAY_MODE
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| 65 | };
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| 66 |
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| 67 | static inline uint32 get_color_space_for_depth(uint32 depth)
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| 68 | {
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| 69 | switch (depth) {
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| 70 | case 1:
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| 71 | return B_GRAY1;
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| 72 | case 4:
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| 73 | return B_GRAY8;
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| 74 | // the app_server is smart enough to translate this to VGA mode
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| 75 | case 8:
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| 76 | return B_CMAP8;
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| 77 | case 15:
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| 78 | return B_RGB15;
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| 79 | case 16:
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| 80 | return B_RGB16;
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| 81 | case 24:
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| 82 | return B_RGB24;
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| 83 | case 32:
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| 84 | return B_RGB32;
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| 85 | }
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| 86 |
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| 87 | return 0;
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| 88 | }
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| 89 |
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| 90 | static inline uint32 get_depth_for_color_space(uint32 depth)
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| 91 | {
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| 92 | switch (depth) {
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| 93 | case B_GRAY1:
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| 94 | return 1;
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| 95 | case B_GRAY8:
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| 96 | return 4;
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| 97 | case B_CMAP8:
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| 98 | return 8;
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| 99 | case B_RGB15:
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| 100 | return 15;
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| 101 | case B_RGB16:
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| 102 | return 16;
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| 103 | case B_RGB24:
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| 104 | return 24;
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| 105 | case B_RGB32:
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| 106 | return 32;
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| 107 | }
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| 108 |
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| 109 | return 0;
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| 110 | }
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| 111 |
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| 112 | #endif
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