Max McZonk

I build a GPU Debugger so you don't have to.

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Germany

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McZonk / video.glsl

Last active January 2, 2016 01:09

	// vertex shader
	attribute vec4 a_color;
	attribute vec4 a_position;
	attribute vec2 a_tex_coord;
	varying mediump vec2 v_tex_coord;
	varying lowp vec4 v_color_mix;
	void main() {
	v_color_mix = a_color;
	v_tex_coord = a_tex_coord;
	gl_Position = a_position;

McZonk / selected.glsl

Last active January 2, 2016 01:09

	// vertex shader
	uniform float u_selected;
	attribute vec4 a_position;
	attribute vec4 a_color;
	varying lowp vec4 v_color;
	void main() {
	if (u_selected > 0.0) {
	v_color = vec4(0.5, 1.0, 1.0, 1.0);
	} else {
	v_color = a_color;

McZonk / fastsingle.glsl

Last active January 2, 2016 01:09

	// vertex shader
	attribute vec4 a_color;
	attribute vec4 a_position;
	attribute vec2 a_tex_coord;
	varying highp vec2 v_tex_coord;
	varying lowp vec4 v_color_mix;
	void main() {
	v_color_mix = a_color;
	v_tex_coord = a_tex_coord;
	gl_Position = a_position;

McZonk / discard.glsl

Last active January 2, 2016 01:09

	// vertex shader
	attribute vec4 a_position;
	attribute vec2 a_tex_coord;
	varying mediump vec2 v_tex_coord;
	void main() {
	v_tex_coord = a_tex_coord;
	gl_Position = a_position;
	}

	// fragment shader

McZonk / CheckClearColor.m

Last active January 1, 2016 15:09

Fixing TRAUMA OpenGL ES debugger warnings

	if(flashIntensity > 0.0f)
	{
	glClearColor(flashIntensity, flashIntensity, flashIntensity, 0.0f);
	glClear(GL_COLOR_BUFFER_BIT);
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	}
	else
	{
	glClear(GL_COLOR_BUFFER_BIT);
	}

McZonk / UIImageView+UIPImageFrame.m

Created October 8, 2013 09:59

Category to calculate the image frame in UIImageView

	#import "UIImageView+UIPImageFrame.h"

	@implementation UIImageView (UIPImageFrame)

	- (CGRect)imageFrame
	{
	UIViewContentMode contentMode = self.contentMode;

	UIImage *image = self.image;
	if(image == nil)

McZonk / IrisSegue.mm

Created May 23, 2013 07:35 — forked from michaelochs/IrisSegue.mm

	@implementation IrisSegue

	- (void)perform
	{
	CATransition *shutterAnimation = [CATransition animation];
	[shutterAnimation setDelegate:self];
	[shutterAnimation setDuration:0.5];

	shutterAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
	[shutterAnimation setType:@"cameraIris"];

McZonk / gist:5516682

Last active December 16, 2015 23:49

overriding self might seem strange, but it ensure that you cannot accidentally use the strong self.

	- (void)foo
	{
	__weak __typeof__(self) weakSelf = self;
	dispatch_async(queue, ^{
	__typeof__(self) self = weakSelf;

	[self bar];
	});
	}

McZonk / main.m

Created April 23, 2013 13:48

Dispatch Behavior

	int main(int argc, const char * argv[])
	{

	@autoreleasepool {

	dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);

	dispatch_block_t block = ^{
	int a = 5;
	NSLog(@"%p = %d", &a, a);

McZonk / No-Default.c

Created April 17, 2013 10:55

If you use switch(enum) you should not implement default: You will get a helpful warning when a value is not implemented. This is useful when new values will be added to the enum. You don't forget to handle the new value because of the warning. When a value doesn't need to be handle, add it at the end of the switch with a break.

	typedef enum MyEnum {
	MyEnum1,
	MyEnum2,
	MyEnum3,
	} MyEnum;

	static int function1(MyEnum e) {
	switch(e) { // warning: Enumeration value 'MyEnum3' not handled in switch
	case MyEnum1:
	return 1;

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