bsnes/Cocoa/GBOpenGLView.m

36 lines
1.2 KiB
Objective-C

#import "GBOpenGLView.h"
#import "GBView.h"
#include <OpenGL/gl.h>
@implementation GBOpenGLView
- (void)drawRect:(NSRect)dirtyRect {
if (!self.shader) {
self.shader = [[GBGLShader alloc] initWithName:[[NSUserDefaults standardUserDefaults] objectForKey:@"GBFilter"]];
}
GBView *gbview = (GBView *)self.superview;
double scale = self.window.backingScaleFactor;
glViewport(0, 0, self.bounds.size.width * scale, self.bounds.size.height * scale);
[self.shader renderBitmap:gbview.currentBuffer
previous:gbview.shouldBlendFrameWithPrevious? gbview.previousBuffer : NULL
sized:NSMakeSize(GB_get_screen_width(gbview.gb), GB_get_screen_height(gbview.gb))
inSize:self.bounds.size
scale:scale];
glFlush();
}
- (instancetype)initWithFrame:(NSRect)frameRect pixelFormat:(NSOpenGLPixelFormat *)format
{
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(filterChanged) name:@"GBFilterChanged" object:nil];
return [super initWithFrame:frameRect pixelFormat:format];
}
- (void) filterChanged
{
self.shader = nil;
[self setNeedsDisplay:YES];
}
@end