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Date: Wed, 9 Apr 2003 18:21:33 -0230 From: Stephen Anthony <stephena@roadrunner.nf.net> Subject: [SDL] First patch concerning 4.3 and refresh rates OK, here's my first draft of the patch for the above subject. A short explanation: X 4.3 introduces many more modelines than older versions. This would be fine, except it introduces many modes with the *same* resolution but different refresh rates. And SDL won't necessarily pick the one with the highest refresh rate. So this patch restores SDL to X 4.2 functionality. That is, there is only ever one refresh rate *per* resolution, and it is the highest possible. This functionality can be totally disabled by using the environment variable 'SDL_VIDEO_X11_USE_ALL_MODES' set equal to 1.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 20 Apr 2003 05:36:52 +0000
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1 /*
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2 Header definitions for the MMX routines for the HERMES library
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3 Copyright (c) 1998 Christian Nentwich (c.nentwich@cs.ucl.ac.uk)
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4 This source code is licensed under the GNU LGPL
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5
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6 Please refer to the file COPYING.LIB contained in the distribution for
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7 licensing conditions
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8 */
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9
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10 #ifndef __HERMES_HEAD_MMX__
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11 #define __HERMES_HEAD_MMX__
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12
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13
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14 /* If you cannot stand ifdefs, then please do not look into this file, it's
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15 going to end your life :) */
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16
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17 #ifdef X86_ASSEMBLER
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18
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19
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20 #ifdef __cplusplus
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21 extern "C" {
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22 #endif
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23
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24 void STACKCALL ConvertMMX(HermesConverterInterface *);
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25
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26 void STACKCALL ClearMMX_32(HermesClearInterface *);
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27 void STACKCALL ClearMMX_24(HermesClearInterface *);
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28 void STACKCALL ClearMMX_16(HermesClearInterface *);
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29 void STACKCALL ClearMMX_8(HermesClearInterface *);
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30
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31 void ConvertMMXpII32_24RGB888();
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32 void ConvertMMXpII32_16RGB565();
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33 void ConvertMMXpII32_16BGR565();
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34 void ConvertMMXpII32_16RGB555();
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35 void ConvertMMXpII32_16BGR565();
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36 void ConvertMMXpII32_16BGR555();
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37
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38 void ConvertMMXp32_16RGB555();
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39
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40 #ifdef __cplusplus
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41 }
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42 #endif
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43
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44
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45
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46 /* Fix the underscore business with ELF compilers */
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47
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48 #if defined(__ELF__) && defined(__GNUC__)
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49 #ifdef __cplusplus
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50 extern "C" {
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51 #endif
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52
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53 void ConvertMMX(HermesConverterInterface *) __attribute__ ((alias ("_ConvertMMX")));
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54 #if 0
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55 void ClearMMX_32(HermesClearInterface *) __attribute__ ((alias ("_ClearMMX_32")));
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56 void ClearMMX_24(HermesClearInterface *) __attribute__ ((alias ("_ClearMMX_24")));
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57 void ClearMMX_16(HermesClearInterface *) __attribute__ ((alias ("_ClearMMX_16")));
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58 void ClearMMX_8(HermesClearInterface *) __attribute__ ((alias ("_ClearMMX_8")));
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59
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60 void ConvertMMXp32_16RGB555() __attribute__ ((alias ("_ConvertMMXp32_16RGB555")));
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61 #endif
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62
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63 void ConvertMMXpII32_24RGB888() __attribute__ ((alias ("_ConvertMMXpII32_24RGB888")));
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64 void ConvertMMXpII32_16RGB565() __attribute__ ((alias ("_ConvertMMXpII32_16RGB565")));
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65 void ConvertMMXpII32_16BGR565() __attribute__ ((alias ("_ConvertMMXpII32_16BGR565")));
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66 void ConvertMMXpII32_16RGB555() __attribute__ ((alias ("_ConvertMMXpII32_16RGB555")));
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67 void ConvertMMXpII32_16BGR555() __attribute__ ((alias ("_ConvertMMXpII32_16BGR555")));
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68
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69 #ifdef __cplusplus
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70 }
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71 #endif
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72
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73 #endif /* ELF and GNUC */
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74
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75
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76
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77
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78 /* Make it work with Watcom */
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79 #ifdef __WATCOMC__
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80 #pragma warning 601 9
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81
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82 #pragma aux ConvertMMX "_*" modify [EAX EBX ECX EDX ESI EDI]
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83
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84 #pragma aux ClearMMX_32 "_*" modify [EAX EBX ECX EDX ESI EDI]
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85 #pragma aux ClearMMX_24 "_*" modify [EAX EBX ECX EDX ESI EDI]
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86 #pragma aux ClearMMX_16 "_*" modify [EAX EBX ECX EDX ESI EDI]
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87 #pragma aux ClearMMX_8 "_*" modify [EAX EBX ECX EDX ESI EDI]
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88
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89 #pragma aux ConvertMMXpII32_24RGB888 "_*"
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90 #pragma aux ConvertMMXpII32_16RGB565 "_*"
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91 #pragma aux ConvertMMXpII32_16BGR565 "_*"
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92 #pragma aux ConvertMMXpII32_16RGB555 "_*"
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93 #pragma aux ConvertMMXpII32_16BGR555 "_*"
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94 #pragma aux ConvertMMXp32_16RGB555 "_*"
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95
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96 #endif /* WATCOM */
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97
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98 #endif /* X86_ASSEMBLER */
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99
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100
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101 #endif