99 lines
1.8 KiB
Plaintext
99 lines
1.8 KiB
Plaintext
/*
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ActiveGS, Copyright 2004-2016 Olivier Goguel, https://github.com/ogoguel/ActiveGS
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Based on Kegs, Copyright 2004 Kent Dickey, https://kegs.sourceforge.net
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This code is covered by the GNU GPL licence
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*/
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#include "../Src/defc.h"
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#include "../Src/video.h"
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#include "../Src/sim65816.h"
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#import "emulatorView.h"
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int x_frame_rate = -1;
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@implementation emulatorView
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-(void)activateEmulatorRefresh:(int)_frameRate
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{
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if (displayLink)
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[self deactivateEmulatorRefresh];
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displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(directDraw:)];
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x_frame_rate = _frameRate;
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switch(_frameRate)
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{
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case 30:
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[displayLink setFrameInterval:2];
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g_video.g_screen_redraw_skip_amt = 1;
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break;
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case 60:
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[displayLink setFrameInterval:1];
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g_video.g_screen_redraw_skip_amt = -1;
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break;
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case 15:
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[displayLink setFrameInterval:4];
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g_video.g_screen_redraw_skip_amt = 3;
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break;
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case 20:
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default: // 20FPS
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[displayLink setFrameInterval:3];
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g_video.g_screen_redraw_skip_amt = 2;
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break;
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}
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// OG utiliser NSRunLoopCommonModes pour que le rendu ne s'arrete pas durant un uiscrollview
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[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
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}
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-(void)deactivateEmulatorRefresh
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{
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displayLink=nil;
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}
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int x_video_need_to_be_refreshed = 0;
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extern int x_vbl_count ;
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void x_invalidrect()
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{
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x_video_need_to_be_refreshed = 1;
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}
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- (void)directDraw:(CADisplayLink *)sender
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{
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x_vbl_count++;
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addFrameRate(4);
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if (x_video_need_to_be_refreshed)
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{
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x_video_need_to_be_refreshed = 0;
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addFrameRate(3);
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[self setNeedsDisplay];
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}
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/*
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#ifdef ACTIVEGS
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extern void x_update_framerate();
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x_update_framerate();
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#endif
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*/
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}
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-(void) drawRect:(CGRect) rect
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{
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CGContextRef g = UIGraphicsGetCurrentContext();
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x_async_refresh(g,rect);
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}
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@end
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