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annotate src/audio/mint/SDL_mintaudio_gsxb.h @ 1897:c2a27da60b18

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Solved the performance problems by introducing the concept of a single-buffered display, which is a fast path used for the whole-surface SDL 1.2 API. Solved the flicker problems by implementing a backbuffer in the GDI renderer. Unfortunately, now using the GDI renderer with a backbuffer and HBITMAPs is significantly slower than SDL's surface code. *sigh*
author Sam Lantinga <slouken@libsdl.org>
date Wed, 12 Jul 2006 06:39:26 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /*
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25 * GSXB audio definitions
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26 *
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27 * Patrice Mandin
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28 */
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29
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30 #ifndef _SDL_mintaudio_gsxb_h
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31 #define _SDL_mintaudio_gsxb_h
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32
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33 #include <mint/falcon.h> /* for trap_14_xxx macros */
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34
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35 /* GSXB Cookie */
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36
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37 #define C_GSXB 0x47535842L
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38
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39 /* Bit 5 in cookie _SND */
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40
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41 #define SND_GSXB (1<<5)
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42
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43 /* NSoundcmd modes */
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44
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45 #define SETRATE 7 /* Set sample rate */
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46 #define SET8BITFORMAT 8 /* 8 bits format */
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47 #define SET16BITFORMAT 9 /* 16 bits format */
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48 #define SET24BITFORMAT 10 /* 24 bits format */
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49 #define SET32BITFORMAT 11 /* 32 bits format */
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50 #define LTATTEN_MASTER 12 /* Attenuation */
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51 #define RTATTEN_MASTER 13
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52 #define LTATTEN_MICIN 14
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53 #define RTATTEN_MICIN 15
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54 #define LTATTEN_FMGEN 16
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55 #define RTATTEN_FMGEN 17
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56 #define LTATTEN_LINEIN 18
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57 #define RTATTEN_LINEIN 19
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58 #define LTATTEN_CDIN 20
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59 #define RTATTEN_CDIN 21
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60 #define LTATTEN_VIDIN 22
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61 #define RTATTEN_VIDIN 23
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62 #define LTATTEN_AUXIN 24
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63 #define RTATTEN_AUXIN 25
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64
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65 /* Setmode modes */
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66
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67 #define MONO16 3
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68 #define STEREO24 4
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69 #define STEREO32 5
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70 #define MONO24 6
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71 #define MONO32 7
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72
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73 /* Sndstatus modes */
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74
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75 #define SND_QUERYFORMATS 2
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76 #define SND_QUERYMIXERS 3
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77 #define SND_QUERYSOURCES 4
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78 #define SND_QUERYDUPLEX 5
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79 #define SND_QUERY8BIT 8
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80 #define SND_QUERY16BIT 9
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81 #define SND_QUERY24BIT 10
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82 #define SND_QUERY32BIT 11
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83
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84 #define SND_FORMAT8 (1<<0)
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85 #define SND_FORMAT16 (1<<1)
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86 #define SND_FORMAT24 (1<<2)
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87 #define SND_FORMAT32 (1<<3)
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88
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89 #define SND_FORMATSIGNED (1<<0)
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90 #define SND_FORMATUNSIGNED (1<<1)
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91 #define SND_FORMATBIGENDIAN (1<<2)
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92 #define SND_FORMATLITTLEENDIAN (1<<3)
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93
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94 /* Devconnect prescalers */
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95
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96 #define CLK_44K 1
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97 #define CLK_22K 3
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98 #define CLK_11K 7
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99
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100 /* Extra xbios functions */
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101
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102 #define NSoundcmd(mode,data,data2) \
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103 (long)trap_14_wwl((short)130,(short)(mode),(short)(data),(long)(data2))
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104 #define NSetinterrupt(src_inter,cause,inth_addr) \
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105 (long)trap_14_wwwl((short)135,(short)(src_inter),(short)(cause), \
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106 (long)(inth_addr))
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107
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108 #endif /* _SDL_mintaudio_gsxb_h */
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109 /* vi: set ts=4 sw=4 expandtab: */