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account for pixel scale when checking against existing buffer storage size (#4103)

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xster 2017-09-13 14:05:45 -07:00 committed by GitHub
parent f808426ef4
commit 2d530daeca
1 changed files with 3 additions and 2 deletions
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5
shell/platform/darwin/ios/ios_gl_context.mm
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@ -163,9 +163,10 @@ bool IOSGLContext::PresentRenderBuffer() const {
bool IOSGLContext::UpdateStorageSizeIfNecessary() {
const CGSize layer_size = [layer_.get() bounds].size;
const CGFloat contents_scale = layer_.get().contentsScale;
const GLint size_width = layer_size.width;
const GLint size_height = layer_size.height;
const GLint size_width = layer_size.width * contents_scale;
const GLint size_height = layer_size.height * contents_scale;
if (size_width == storage_size_width_ && size_height == storage_size_height_) {
// Nothing to since the stoage size is already consistent with the layer.