Mercurial > sdl-ios-xcode
annotate src/thread/amigaos/SDL_systhread.c @ 889:eac8c69b5706
ate: Fri, 09 Apr 2004 20:07:10 +0200
From: Hibernatus
Subject: [SDL] BUG: changing video mode in opengl + windows
In WIN_GL_SetupWindow (SDL12/src/video/wincommon/SDL_wingl.c) you call
WIN_GL_ResetWindow when SetPixelFormat fails.
WIN_GL_ResetWindow cannot properly work in its current state, because there
are several things to update once you've created a new window. At least
DirectInput doesn't work anymore here (which is somewhat annoying for the
player :).
I think you can simply remove that function. Many games don't try to
recover from that exception, that's why the newest ATI drivers emulate 16
bpp display in 32 bpp mode so the error never occurs (but the games may run
much slower).
Having SDL_SetVideoMode return NULL would be better than actually setting
the video mode and losing focus, directinput and maybe directsound too. It
also made my previous drivers crash (when switching from 32 bpp windowed to
16 bpp fullscreen).
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 16 May 2004 18:02:48 +0000 |
| parents | b8d311d90021 |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
|
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28 /* BeOS thread management routines for SDL */ |
| 0 | 29 |
| 30 #include "SDL_error.h" | |
| 31 #include "SDL_mutex.h" | |
| 32 #include "SDL_thread.h" | |
| 33 #include "SDL_thread_c.h" | |
| 34 #include "SDL_systhread.h" | |
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35 #include "mydebug.h" |
| 0 | 36 |
| 37 typedef struct { | |
| 38 int (*func)(void *); | |
| 39 void *data; | |
| 40 SDL_Thread *info; | |
| 41 struct Task *wait; | |
| 42 } thread_args; | |
| 43 | |
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44 #ifndef MORPHOS |
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45 |
| 0 | 46 #if defined(__SASC) && !defined(__PPC__) |
| 47 __saveds __asm Uint32 RunThread(register __a0 char *args ) | |
| 48 #elif defined(__PPC__) | |
| 49 Uint32 RunThread(char *args) | |
| 50 #else | |
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51 Uint32 __saveds RunThread(char *args __asm("a0") ) |
| 0 | 52 #endif |
| 53 { | |
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54 #ifdef STORMC4_WOS |
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55 thread_args *data=(thread_args *)args; |
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56 #else |
| 0 | 57 thread_args *data=(thread_args *)atol(args); |
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58 #endif |
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59 |
| 0 | 60 struct Task *Father; |
| 61 | |
| 62 D(bug("Received data: %lx\n",data)); | |
| 63 Father=data->wait; | |
| 64 | |
| 65 SDL_RunThread(data); | |
| 66 | |
| 67 Signal(Father,SIGBREAKF_CTRL_F); | |
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68 D(bug("Thread with data %lx ended\n",data)); |
| 0 | 69 return(0); |
| 70 } | |
| 71 | |
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72 #else |
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73 |
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74 #include <emul/emulinterface.h> |
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75 |
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76 Uint32 RunTheThread(void) |
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77 { |
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78 thread_args *data=(thread_args *)atol((char *)REG_A0); |
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79 struct Task *Father; |
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80 |
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81 D(bug("Received data: %lx\n",data)); |
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82 Father=data->wait; |
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83 |
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84 SDL_RunThread(data); |
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85 |
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86 Signal(Father,SIGBREAKF_CTRL_F); |
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87 D(bug("Thread with data %lx ended\n",data)); |
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88 return(0); |
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89 } |
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90 |
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91 struct EmulLibEntry RunThreadStruct= |
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92 { |
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93 TRAP_LIB, |
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94 0, |
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95 (ULONG)RunTheThread |
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96 }; |
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97 |
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98 void *RunThread=&RunThreadStruct; |
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99 #endif |
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100 |
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101 |
| 0 | 102 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
| 103 { | |
| 104 /* Create the thread and go! */ | |
| 105 char buffer[20]; | |
| 106 | |
| 107 D(bug("Sending %lx to the new thread...\n",args)); | |
| 108 | |
| 109 if(args) | |
| 110 sprintf(buffer,"%ld",args); | |
| 111 | |
|
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112 #ifdef STORMC4_WOS |
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113 thread->handle=CreateTaskPPCTags(TASKATTR_CODE, RunThread, |
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114 TASKATTR_NAME, "SDL subtask", |
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115 TASKATTR_STACKSIZE, 100000, |
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116 (args ? TASKATTR_R3 : TAG_IGNORE), args, |
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117 TASKATTR_INHERITR2, TRUE, |
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118 TAG_DONE); |
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119 #else |
| 0 | 120 thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(), |
| 121 NP_Name,(ULONG)"SDL subtask", | |
| 122 NP_CloseOutput, FALSE, | |
| 123 NP_StackSize,20000, | |
| 124 NP_Entry,(ULONG)RunThread, | |
| 125 args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer, | |
| 126 TAG_DONE); | |
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127 #endif |
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128 |
| 0 | 129 if(!thread->handle) |
| 130 { | |
| 131 SDL_SetError("Not enough resources to create thread"); | |
| 132 return(-1); | |
| 133 } | |
| 134 | |
| 135 return(0); | |
| 136 } | |
| 137 | |
| 138 void SDL_SYS_SetupThread(void) | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 Uint32 SDL_ThreadID(void) | |
| 143 { | |
| 144 return((Uint32)FindTask(NULL)); | |
| 145 } | |
| 146 | |
| 147 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 148 { | |
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149 SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 0 | 150 Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C); |
| 151 } | |
| 152 | |
| 153 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 154 { | |
| 155 Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C); | |
| 156 } |