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Fixed setting the layer drawable size 

Without this change the drawable had a size of 0 and the metal renderer asserted because the projection matrix wasn't set.
This commit is contained in:
Sam Lantinga 2018-03-02 12:08:18 -08:00
parent cef1c1c2ee
commit ac2d1f6773
1 changed files with 10 additions and 3 deletions
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13
src/video/uikit/SDL_uikitmetalview.m
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@ -60,7 +60,14 @@
/* Set the size of the metal drawables when the view is resized. */ /* Set the size of the metal drawables when the view is resized. */
- (void)layoutSubviews - (void)layoutSubviews
{ {
CGSize bounds;
[super layoutSubviews]; [super layoutSubviews];
bounds = [self bounds].size;
bounds.width *= self.layer.contentsScale;
bounds.height *= self.layer.contentsScale;
((CAMetalLayer *) self.layer).drawableSize = bounds;
} }
@end @end
@ -72,9 +79,9 @@ UIKit_Mtl_AddMetalView(SDL_Window* window)
SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view; SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view;
CGFloat scale = 1.0; CGFloat scale = 1.0;
if ([view isKindOfClass:[SDL_uikitmetalview class]]) { if ([view isKindOfClass:[SDL_uikitmetalview class]]) {
return (SDL_uikitmetalview *)view; return (SDL_uikitmetalview *)view;
} }
if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) { if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
/* Set the scale to the natural scale factor of the screen - then /* Set the scale to the natural scale factor of the screen - then