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comparison src/video/riscos/SDL_wimppoll.c @ 955:d74fbf56f2f6

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Date: Fri, 25 Jun 2004 13:29:15 +0100 From: "alan buckley" Subject: Modification for RISC OS version of SDL Ive attached a zip file with the changes to this email, it contains the following: The file sdldiff.txt is the output from cvs diff u. . The directory thread/riscos contains all the new files to support threading. Readme.riscos is a new readme file to add.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 17 Sep 2004 13:20:10 +0000
parents b8d311d90021
children 974ba6ae0fa3
comparison
equal deleted inserted replaced
954:3acd16ea0180 955:d74fbf56f2f6
41 41
42 #include "kernel.h" 42 #include "kernel.h"
43 #include "swis.h" 43 #include "swis.h"
44 #include "unixlib/os.h" 44 #include "unixlib/os.h"
45 45
46 #ifndef DISABLE_THREADS
47 #include <pthread.h>
48 #endif
49
46 /* Local functions */ 50 /* Local functions */
47 void WIMP_Poll(_THIS, int waitTime); 51 void WIMP_Poll(_THIS, int waitTime);
48 void WIMP_SetFocus(int win); 52 void WIMP_SetFocus(int win);
49 53
50 /* SDL_riscossprite functions */ 54 /* SDL_riscossprite functions */
54 58
55 59
56 extern void WIMP_PollMouse(_THIS); 60 extern void WIMP_PollMouse(_THIS);
57 extern void RISCOS_PollKeyboard(); 61 extern void RISCOS_PollKeyboard();
58 62
63 #ifdef DISABLE_THREADS
59 extern void DRenderer_FillBuffers(); 64 extern void DRenderer_FillBuffers();
60 65
61 /* Timer running function */ 66 /* Timer running function */
62 extern void RISCOS_CheckTimer(); 67 extern void RISCOS_CheckTimer();
68
69 #else
70 extern int riscos_using_threads;
71 #endif
63 72
64 /* Mouse cursor handling */ 73 /* Mouse cursor handling */
65 extern void WIMP_ReshowCursor(_THIS); 74 extern void WIMP_ReshowCursor(_THIS);
66 75
67 int hasFocus = 0; 76 int hasFocus = 0;
73 void WIMP_PumpEvents(_THIS) 82 void WIMP_PumpEvents(_THIS)
74 { 83 {
75 WIMP_Poll(this, 0); 84 WIMP_Poll(this, 0);
76 if (hasFocus) RISCOS_PollKeyboard(); 85 if (hasFocus) RISCOS_PollKeyboard();
77 if (mouseInWindow) WIMP_PollMouse(this); 86 if (mouseInWindow) WIMP_PollMouse(this);
87 #ifdef DISABLE_THREADS
78 DRenderer_FillBuffers(); 88 DRenderer_FillBuffers();
79 if (SDL_timer_running) RISCOS_CheckTimer(); 89 if (SDL_timer_running) RISCOS_CheckTimer();
90 #endif
80 } 91 }
81 92
82 93
83 void WIMP_Poll(_THIS, int waitTime) 94 void WIMP_Poll(_THIS, int waitTime)
84 { 95 {
98 waitTime += regs.r[0]; 109 waitTime += regs.r[0];
99 } 110 }
100 111
101 while (doPoll) 112 while (doPoll)
102 { 113 {
114 #ifndef DISABLE_THREADS
115 /* Stop thread callbacks while program is paged out */
116 if (riscos_using_threads) __pthread_stop_ticker();
117 #endif
118
103 if (waitTime <= 0) 119 if (waitTime <= 0)
104 { 120 {
105 regs.r[0] = pollMask; /* Poll Mask */ 121 regs.r[0] = pollMask; /* Poll Mask */
106 /* For no wait time mask out null event so we wait until something happens */ 122 /* For no wait time mask out null event so we wait until something happens */
107 if (waitTime < 0) regs.r[0] |= 1; 123 if (waitTime < 0) regs.r[0] |= 1;
108 regs.r[1] = (int)message; 124 regs.r[1] = (int)message;
109 _kernel_swi(Wimp_Poll, &regs, &regs); 125 _kernel_swi(Wimp_Poll, &regs, &regs);
110 } else 126 } else
111 { 127 {
114 regs.r[2] = waitTime; 130 regs.r[2] = waitTime;
115 _kernel_swi(Wimp_PollIdle, &regs, &regs); 131 _kernel_swi(Wimp_PollIdle, &regs, &regs);
116 } 132 }
117 133
118 /* Flag to specify if we post a SDL_SysWMEvent */ 134 /* Flag to specify if we post a SDL_SysWMEvent */
119 sysEvent = 0; 135 sysEvent = 0;
120 136
121 code = (unsigned int)regs.r[0]; 137 code = (unsigned int)regs.r[0];
122 138
123 switch(code) 139 switch(code)
124 { 140 {
125 case 0: /* Null Event - drop out for standard processing*/ 141 case 0: /* Null Event - drop out for standard processing*/
126 doPoll = 0; 142 doPoll = 0;
127 break; 143 break;
128 144
129 case 1: /* Redraw window */ 145 case 1: /* Redraw window */
130 _kernel_swi(Wimp_RedrawWindow, &regs,&regs); 146 _kernel_swi(Wimp_RedrawWindow, &regs,&regs);
131 if (message[0] == sdlWindow) 147 if (message[0] == sdlWindow)
132 { 148 {
133 while (regs.r[0]) 149 while (regs.r[0])
134 { 150 {
135 WIMP_PlotSprite(this, message[1], message[2]); 151 WIMP_PlotSprite(this, message[1], message[2]);
136 _kernel_swi(Wimp_GetRectangle, &regs, &regs); 152 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
137 } 153 }
138 } else 154 } else
139 { 155 {
140 /* TODO: Currently we just eat them - we may need to pass them on */ 156 /* TODO: Currently we just eat them - we may need to pass them on */
141 while (regs.r[0]) 157 while (regs.r[0])
142 { 158 {
143 _kernel_swi(Wimp_GetRectangle, &regs, &regs); 159 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
144 } 160 }
145 } 161 }
146 break; 162 break;
147 163
148 case 2: /* Open window */ 164 case 2: /* Open window */
149 if ( resizeOnOpen && message[0] == sdlWindow) 165 if ( resizeOnOpen && message[0] == sdlWindow)
150 { 166 {
151 /* Ensure window is correct size */ 167 /* Ensure window is correct size */
275 memcpy(wmmsg.pollBlock, message, 64 * sizeof(int)); 291 memcpy(wmmsg.pollBlock, message, 64 * sizeof(int));
276 292
277 /* Fall out of polling loop if message is successfully posted */ 293 /* Fall out of polling loop if message is successfully posted */
278 if (SDL_PrivateSysWMEvent(&wmmsg)) doPoll = 0; 294 if (SDL_PrivateSysWMEvent(&wmmsg)) doPoll = 0;
279 } 295 }
280 296 #ifndef DISABLE_THREADS
297 if (riscos_using_threads)
298 {
299 /* Restart ticker here so other thread can not interfere
300 with the Redraw processing */
301 if (riscos_using_threads) __pthread_start_ticker();
302 /* Give other threads a better chance of running */
303 pthread_yield();
304 }
305 #endif
281 } 306 }
282 } 307 }
283 308
284 /* Set focus to specified window */ 309 /* Set focus to specified window */
285 void WIMP_SetFocus(int win) 310 void WIMP_SetFocus(int win)
301 { 326 {
302 if (current_video && current_video->hidden->window_handle) 327 if (current_video && current_video->hidden->window_handle)
303 { 328 {
304 WIMP_Poll(current_video, 0); 329 WIMP_Poll(current_video, 0);
305 } 330 }
331 #ifdef DISABLE_THREADS
306 /* Keep sound buffers running */ 332 /* Keep sound buffers running */
307 DRenderer_FillBuffers(); 333 DRenderer_FillBuffers();
308 if (SDL_timer_running) RISCOS_CheckTimer(); 334 if (SDL_timer_running) RISCOS_CheckTimer();
335 #endif
309 } 336 }