istereo2

annotate src/ios/viewctl.m @ 35:643f4ab609a4

find changesets by author, revision, files, or words in the commit message
added readme and license
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 31 Oct 2015 05:45:35 +0200
parents 3bccfc7d10fe
children
rev   line source
nuclear@2 1 #include <stdlib.h>
nuclear@2 2 #import <OpenGLES/ES2/glext.h>
nuclear@0 3 #import "viewctl.h"
nuclear@2 4 #include "istereo.h"
nuclear@0 5
nuclear@0 6 @interface ViewController () {
nuclear@0 7 EAGLContext *ctx;
nuclear@16 8 float pixel_scale, max_pixel_scale, low_pixel_scale;
nuclear@1 9
nuclear@5 10 GLKView *glview;
nuclear@1 11 ADBannerView *ad;
nuclear@1 12 BOOL ad_visible;
nuclear@16 13 BOOL ad_ready;
nuclear@16 14
nuclear@16 15 int ios_ver_major, ios_ver_minor;
nuclear@16 16 BOOL landscape_swap;
nuclear@0 17 }
nuclear@0 18
nuclear@1 19
nuclear@1 20 - (void)create_ad;
nuclear@2 21 - (void)show_ad;
nuclear@2 22 - (void)hide_ad;
nuclear@1 23
nuclear@1 24 - (void)init_gl;
nuclear@1 25 - (void)destroy_gl;
nuclear@16 26
nuclear@16 27 - (void)enable_retina;
nuclear@16 28 - (void)disable_retina;
nuclear@16 29 - (BOOL)is_retina_enabled;
nuclear@16 30 - (BOOL)have_retina;
nuclear@0 31 @end
nuclear@0 32
nuclear@16 33 static ViewController *view_ctl;
nuclear@16 34 static BOOL ad_show_requested;
nuclear@16 35
nuclear@16 36 void ad_banner_show(void)
nuclear@16 37 {
nuclear@16 38 if(view_ctl) {
nuclear@16 39 [view_ctl show_ad];
nuclear@16 40 }
nuclear@16 41 ad_show_requested = YES;
nuclear@16 42 }
nuclear@16 43
nuclear@16 44 void ad_banner_hide(void)
nuclear@16 45 {
nuclear@16 46 if(view_ctl) {
nuclear@16 47 [view_ctl hide_ad];
nuclear@16 48 }
nuclear@16 49 ad_show_requested = NO;
nuclear@16 50 }
nuclear@16 51
nuclear@16 52 void use_retina_res(int enable)
nuclear@16 53 {
nuclear@16 54 if(enable) {
nuclear@16 55 [view_ctl enable_retina];
nuclear@16 56 } else {
nuclear@16 57 [view_ctl disable_retina];
nuclear@16 58 }
nuclear@16 59 }
nuclear@16 60
nuclear@16 61 int using_retina_res(void)
nuclear@16 62 {
nuclear@16 63 return [view_ctl is_retina_enabled] ? 1 : 0;
nuclear@16 64 }
nuclear@16 65
nuclear@16 66 int have_retina(void)
nuclear@16 67 {
nuclear@16 68 if(view_ctl) {
nuclear@16 69 return [view_ctl have_retina] ? 1 : 0;
nuclear@16 70 }
nuclear@16 71 return 0;
nuclear@16 72 }
nuclear@16 73
nuclear@16 74
nuclear@0 75 @implementation ViewController
nuclear@0 76
nuclear@0 77 - (void)viewDidLoad
nuclear@0 78 {
nuclear@0 79 [super viewDidLoad];
nuclear@0 80
nuclear@16 81 view_ctl = self;
nuclear@16 82
nuclear@16 83 NSString *str = [[UIDevice currentDevice] systemVersion];
nuclear@16 84 if(sscanf(str.UTF8String, "%d.%d", &ios_ver_major, &ios_ver_minor) != 2) {
nuclear@16 85 ios_ver_major = 8;
nuclear@16 86 ios_ver_minor = 0;
nuclear@16 87 }
nuclear@16 88 printf("iOS version: %d.%d\n", ios_ver_major, ios_ver_minor);
nuclear@16 89
nuclear@16 90 // in iOS versions before 8, the view size and event coordinates are swapped in landscape
nuclear@16 91 if((int)NSFoundationVersionNumber < NSFoundationVersionNumber_iOS_8_0) {
nuclear@16 92 assert(ios_ver_major < 8);
nuclear@16 93 landscape_swap = YES;
nuclear@16 94 } else {
nuclear@16 95 landscape_swap = NO;
nuclear@16 96 }
nuclear@3 97
nuclear@0 98 self->ctx = [[EAGLContext alloc] initWithAPI: kEAGLRenderingAPIOpenGLES2];
nuclear@0 99 if(!self->ctx) {
nuclear@0 100 NSLog(@"Failed to create OpenGL ES 2.0 context");
nuclear@0 101 }
nuclear@0 102
nuclear@5 103 glview = (GLKView*)self.view;
nuclear@5 104 glview.context = self->ctx;
nuclear@5 105 glview.drawableDepthFormat = GLKViewDrawableDepthFormat24;
nuclear@0 106
nuclear@5 107 if([glview respondsToSelector: NSSelectorFromString(@"contentScaleFactor")]) {
nuclear@16 108 max_pixel_scale = [[UIScreen mainScreen] scale];
nuclear@16 109 printf("max pixel scale: %g\n", pixel_scale);
nuclear@3 110 } else {
nuclear@16 111 max_pixel_scale = 1.0f;
nuclear@3 112 }
nuclear@16 113 low_pixel_scale = 1.0f;
nuclear@16 114 [self disable_retina]; // default to non-retina mode
nuclear@3 115
nuclear@1 116 [self create_ad];
nuclear@1 117
nuclear@1 118 [self init_gl];
nuclear@0 119 }
nuclear@0 120
nuclear@0 121 - (void)dealloc
nuclear@0 122 {
nuclear@16 123 view_ctl = nil;
nuclear@16 124
nuclear@1 125 [self destroy_gl];
nuclear@0 126
nuclear@0 127 if([EAGLContext currentContext] == self->ctx) {
nuclear@0 128 [EAGLContext setCurrentContext: nil];
nuclear@0 129 }
nuclear@0 130 }
nuclear@0 131
nuclear@0 132 - (void)didReceiveMemoryWarning
nuclear@0 133 {
nuclear@0 134 [super didReceiveMemoryWarning];
nuclear@0 135
nuclear@0 136 if([self isViewLoaded] && ([[self view] window] == nil)) {
nuclear@0 137 self.view = nil;
nuclear@0 138
nuclear@1 139 [self destroy_gl];
nuclear@0 140
nuclear@0 141 if([EAGLContext currentContext] == self->ctx) {
nuclear@0 142 [EAGLContext setCurrentContext: nil];
nuclear@0 143 }
nuclear@0 144 self->ctx = nil;
nuclear@0 145 }
nuclear@0 146
nuclear@0 147 // Dispose of any resources that can be recreated.
nuclear@0 148 }
nuclear@0 149
nuclear@0 150 - (BOOL)prefersStatusBarHidden
nuclear@0 151 {
nuclear@0 152 return YES;
nuclear@0 153 }
nuclear@0 154
nuclear@4 155 - (BOOL)shouldAutorotate
nuclear@4 156 {
nuclear@4 157 return YES;
nuclear@4 158 }
nuclear@4 159
nuclear@4 160 - (UIInterfaceOrientationMask)supportedInterfaceOrientations
nuclear@4 161 {
nuclear@4 162 return UIInterfaceOrientationMaskLandscape;
nuclear@4 163 //return UIInterfaceOrientationMaskAll;
nuclear@4 164 }
nuclear@4 165
nuclear@1 166 - (void)create_ad
nuclear@1 167 {
nuclear@1 168 ad = [[ADBannerView alloc] initWithAdType: ADAdTypeBanner];
nuclear@16 169 CGRect rect = ad.frame;
nuclear@16 170 rect.size.width = glview.bounds.size.width;
nuclear@16 171 ad.frame = rect;
nuclear@1 172 [ad setAutoresizingMask: UIViewAutoresizingFlexibleWidth];
nuclear@16 173
nuclear@2 174 ad_visible = YES;
nuclear@16 175 ad_ready = NO;
nuclear@2 176 [self hide_ad];
nuclear@5 177 [glview addSubview: ad];
nuclear@1 178 ad.delegate = self;
nuclear@1 179 }
nuclear@1 180
nuclear@2 181 - (void)show_ad
nuclear@1 182 {
nuclear@16 183 if(!ad_visible && ad_ready) {
nuclear@1 184 CGRect rect = ad.frame;
nuclear@1 185 rect.origin.y = 0;
nuclear@1 186 ad.frame = rect;
nuclear@1 187 ad_visible = YES;
nuclear@1 188 }
nuclear@1 189 }
nuclear@1 190
nuclear@2 191 - (void)hide_ad
nuclear@2 192 {
nuclear@2 193 if(ad_visible) {
nuclear@2 194 ad.frame = CGRectOffset(ad.frame, 0, -ad.frame.size.height);
nuclear@2 195 ad_visible = NO;
nuclear@2 196 }
nuclear@2 197 }
nuclear@2 198
nuclear@2 199 - (void)init_gl
nuclear@2 200 {
nuclear@2 201 [EAGLContext setCurrentContext: self->ctx];
nuclear@2 202
nuclear@2 203 if(init() == -1) {
nuclear@2 204 NSLog(@"app initialization failed");
nuclear@2 205 exit(0);
nuclear@2 206 }
nuclear@2 207 }
nuclear@2 208
nuclear@2 209 - (void)destroy_gl
nuclear@2 210 {
nuclear@2 211 cleanup();
nuclear@2 212 [EAGLContext setCurrentContext: self->ctx];
nuclear@2 213 }
nuclear@2 214
nuclear@16 215 - (void)enable_retina
nuclear@16 216 {
nuclear@16 217 pixel_scale = max_pixel_scale;
nuclear@16 218 printf("enable_retina setting pixel scale: %g\n", pixel_scale);
nuclear@16 219 glview.contentScaleFactor = pixel_scale;
nuclear@16 220 [glview setNeedsLayout];
nuclear@16 221 }
nuclear@16 222
nuclear@16 223 - (void)disable_retina
nuclear@16 224 {
nuclear@16 225 pixel_scale = low_pixel_scale;
nuclear@16 226 printf("disable_retina setting pixel scale: %g\n", pixel_scale);
nuclear@16 227 glview.contentScaleFactor = pixel_scale;
nuclear@16 228 [glview setNeedsLayout];
nuclear@16 229 }
nuclear@16 230
nuclear@16 231 - (BOOL)is_retina_enabled
nuclear@16 232 {
nuclear@16 233 return pixel_scale > low_pixel_scale;
nuclear@16 234 }
nuclear@16 235
nuclear@16 236 - (BOOL)have_retina
nuclear@16 237 {
nuclear@16 238 return max_pixel_scale > 1.0;
nuclear@16 239 }
nuclear@16 240
nuclear@2 241
nuclear@2 242 - (void)glkView: (GLKView*)view drawInRect: (CGRect)rect
nuclear@2 243 {
nuclear@2 244 redraw();
nuclear@2 245 }
nuclear@2 246
nuclear@2 247 - (void)viewDidLayoutSubviews
nuclear@2 248 {
nuclear@2 249 CGRect rect = self.view.frame;
nuclear@3 250 int xsz = rect.size.width * pixel_scale;
nuclear@3 251 int ysz = rect.size.height * pixel_scale;
nuclear@16 252
nuclear@16 253 BOOL is_landscape = UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation);
nuclear@16 254 if(is_landscape && landscape_swap) {
nuclear@16 255 int tmp = xsz;
nuclear@16 256 xsz = ysz;
nuclear@16 257 ysz = tmp;
nuclear@16 258 }
nuclear@16 259
nuclear@3 260 reshape(xsz, ysz);
nuclear@3 261 printf("viewport %dx%d (scale: %g)\n", xsz, ysz, pixel_scale);
nuclear@2 262 }
nuclear@2 263
nuclear@6 264 - (void)touchesBegan: (NSSet<UITouch*>*)touches withEvent: (UIEvent*)event
nuclear@6 265 {
nuclear@6 266 UITouch *touch = [touches anyObject];
nuclear@16 267 CGPoint pt = [touch locationInView: glview];
nuclear@16 268 int x = (int)(pt.x * pixel_scale);
nuclear@16 269 int y = (int)(pt.y * pixel_scale);
nuclear@16 270
nuclear@16 271 mouse_button(0, 1, x, y);
nuclear@6 272 }
nuclear@6 273
nuclear@6 274 - (void)touchesMoved: (NSSet<UITouch*>*)touches withEvent: (UIEvent*)event
nuclear@6 275 {
nuclear@6 276 UITouch *touch = [touches anyObject];
nuclear@16 277 CGPoint pt = [touch locationInView: glview];
nuclear@16 278 int x = (int)(pt.x * pixel_scale);
nuclear@16 279 int y = (int)(pt.y * pixel_scale);
nuclear@16 280
nuclear@16 281 mouse_motion(x, y);
nuclear@6 282 }
nuclear@6 283
nuclear@6 284 - (void)touchesEnded: (NSSet<UITouch*>*)touches withEvent: (UIEvent*)event
nuclear@6 285 {
nuclear@6 286 UITouch *touch = [touches anyObject];
nuclear@16 287 CGPoint pt = [touch locationInView: glview];
nuclear@16 288 int x = (int)(pt.x * pixel_scale);
nuclear@16 289 int y = (int)(pt.y * pixel_scale);
nuclear@16 290
nuclear@16 291 mouse_button(0, 0, x, y);
nuclear@16 292 printf("touch release %d %d\n", x, y);
nuclear@6 293 }
nuclear@6 294
nuclear@6 295 - (void)touchesCancelled: (NSSet<UITouch*>*)touches withEvent: (UIEvent*)event
nuclear@6 296 {
nuclear@6 297 UITouch *touch = [touches anyObject];
nuclear@16 298 CGPoint pt = [touch locationInView: glview];
nuclear@16 299 int x = (int)(pt.x * pixel_scale);
nuclear@16 300 int y = (int)(pt.y * pixel_scale);
nuclear@16 301
nuclear@16 302 mouse_button(0, 0, x, y);
nuclear@6 303 }
nuclear@6 304
nuclear@2 305 // ADBannerDelegate functions
nuclear@2 306
nuclear@2 307 - (void)bannerViewDidLoadAd: (ADBannerView*)banner
nuclear@2 308 {
nuclear@16 309 ad_ready = YES;
nuclear@16 310 if(ad_show_requested) {
nuclear@16 311 [self show_ad];
nuclear@16 312 }
nuclear@2 313 }
nuclear@2 314
nuclear@1 315 - (void)bannerView: (ADBannerView*)banner didFailToReceiveAdWithError: (NSError*)error
nuclear@1 316 {
nuclear@16 317 ad_ready = NO;
nuclear@2 318 [self hide_ad];
nuclear@1 319
nuclear@1 320 NSLog(@"Failed to retrieve ad");
nuclear@1 321 }
nuclear@1 322
nuclear@1 323
nuclear@0 324 @end /* implementation ViewController */