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