ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-12-22 22:25:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add an experimental "no-copy" renderer (#741)

Browse Source 
* Add "ASGraphicsContext" to skip copying our rendered images

* Zero the buffer before making a context

* Update license header

* Update dangerfile

* Make it a runtime flag

* Restore GState for good measure

* Free buffer if end without image

* Enable the experiment, and cut out the middle-man

* Fix typo
This commit is contained in:
Adlai Holler
2018-01-13 19:19:08 -08:00
committed by GitHub
parent 3708f2e448
commit 1d105c2056
14 changed files with 272 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Source/ASDisplayNode.mm
View File

@@ -36,6 +36,7 @@
#import <AsyncDisplayKit/ASDimension.h>
#import <AsyncDisplayKit/ASDisplayNodeExtras.h>
#import <AsyncDisplayKit/ASEqualityHelpers.h>
#import <AsyncDisplayKit/ASGraphicsContext.h>
#import <AsyncDisplayKit/ASInternalHelpers.h>
#import <AsyncDisplayKit/ASLayoutElementStylePrivate.h>
#import <AsyncDisplayKit/ASLayoutSpec.h>
@@ -1507,7 +1508,7 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
BOOL isRight = (idx == 1 || idx == 2);
CGSize size = CGSizeMake(radius + 1, radius + 1);
UIGraphicsBeginImageContextWithOptions(size, NO, self.contentsScaleForDisplay);
ASGraphicsBeginImageContextWithOptions(size, NO, self.contentsScaleForDisplay);
CGContextRef ctx = UIGraphicsGetCurrentContext();
if (isRight == YES) {
@@ -1524,11 +1525,9 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
// No lock needed, as _clipCornerLayers is only modified on the main thread.
CALayer *clipCornerLayer = _clipCornerLayers[idx];
clipCornerLayer.contents = (id)(UIGraphicsGetImageFromCurrentImageContext().CGImage);
clipCornerLayer.contents = (id)(ASGraphicsGetImageAndEndCurrentContext().CGImage);
clipCornerLayer.bounds = CGRectMake(0.0, 0.0, size.width, size.height);
clipCornerLayer.anchorPoint = CGPointMake(isRight ? 1.0 : 0.0, isTop ? 1.0 : 0.0);
UIGraphicsEndImageContext();
}
[self _layoutClipCornersIfNeeded];
});