diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/video/uikit/SDL_uikitmetalview.m')
| -rw-r--r-- | Source/3rdParty/SDL2/src/video/uikit/SDL_uikitmetalview.m | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/Source/3rdParty/SDL2/src/video/uikit/SDL_uikitmetalview.m b/Source/3rdParty/SDL2/src/video/uikit/SDL_uikitmetalview.m deleted file mode 100644 index 436e742..0000000 --- a/Source/3rdParty/SDL2/src/video/uikit/SDL_uikitmetalview.m +++ /dev/null @@ -1,132 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - */ - -/* - * @author Mark Callow, www.edgewise-consulting.com. - * - * Thanks to Alex Szpakowski, @slime73 on GitHub, for his gist showing - * how to add a CAMetalLayer backed view. - */ - -#include "../../SDL_internal.h" - -#if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN) - -#import "../SDL_sysvideo.h" -#import "SDL_uikitwindow.h" -#import "SDL_uikitmetalview.h" - -#include "SDL_assert.h" - -@implementation SDL_uikitmetalview - -/* Returns a Metal-compatible layer. */ -+ (Class)layerClass -{ - return [CAMetalLayer class]; -} - -- (instancetype)initWithFrame:(CGRect)frame - scale:(CGFloat)scale -{ - if ((self = [super initWithFrame:frame])) { - self.tag = METALVIEW_TAG; - self.layer.contentsScale = scale; - [self updateDrawableSize]; - } - - return self; -} - -/* Set the size of the metal drawables when the view is resized. */ -- (void)layoutSubviews -{ - [super layoutSubviews]; - [self updateDrawableSize]; -} - -- (void)updateDrawableSize -{ - CGSize size = self.bounds.size; - size.width *= self.layer.contentsScale; - size.height *= self.layer.contentsScale; - ((CAMetalLayer *)self.layer).drawableSize = size; -} - -@end - -SDL_uikitmetalview* -UIKit_Mtl_AddMetalView(SDL_Window* window) -{ - SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata; - SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view; - CGFloat scale = 1.0; - - if ([view isKindOfClass:[SDL_uikitmetalview class]]) { - return (SDL_uikitmetalview *)view; - } - - if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) { - /* Set the scale to the natural scale factor of the screen - then - * the backing dimensions of the Metal view will match the pixel - * dimensions of the screen rather than the dimensions in points - * yielding high resolution on retine displays. - */ -#ifdef __IPHONE_8_0 - if ([data.uiwindow.screen respondsToSelector:@selector(nativeScale)]) { - scale = data.uiwindow.screen.nativeScale; - } else -#endif - { - scale = data.uiwindow.screen.scale; - } - } - SDL_uikitmetalview *metalview - = [[SDL_uikitmetalview alloc] initWithFrame:view.frame - scale:scale]; - [metalview setSDLWindow:window]; - - return metalview; -} - -void -UIKit_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h) -{ - @autoreleasepool { - SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata; - SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view; - SDL_uikitmetalview* metalview = [view viewWithTag:METALVIEW_TAG]; - if (metalview) { - CAMetalLayer *layer = (CAMetalLayer*)metalview.layer; - assert(layer != NULL); - if (w) { - *w = layer.drawableSize.width; - } - if (h) { - *h = layer.drawableSize.height; - } - } else { - SDL_GetWindowSize(window, w, h); - } - } -} - -#endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN) */ |