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#import "GBOpenGLView.h"
#import "GBView.h"
#import "NSObject+DefaultsObserver.h"
#import <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);
if (gbview.gb) {
[self.shader renderBitmap:gbview.currentBuffer
previous:gbview.frameBlendingMode? gbview.previousBuffer : NULL
sized:NSMakeSize(GB_get_screen_width(gbview.gb), GB_get_screen_height(gbview.gb))
inSize:self.bounds.size
scale:scale
withBlendingMode:gbview.frameBlendingMode];
}
glFlush();
}
- (instancetype)initWithFrame:(NSRect)frameRect pixelFormat:(NSOpenGLPixelFormat *)format
{
__unsafe_unretained GBOpenGLView *weakSelf = self;
self = [super initWithFrame:frameRect pixelFormat:format];
[self observeStandardDefaultsKey:@"GBFilter" withBlock:^(id newValue) {
weakSelf.shader = nil;
[weakSelf setNeedsDisplay:true];
}];
return self;
}
@end
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