der richter
ce694c1eba
this adds support for possible transparent rendering by setting the window and layer background to transparent. NOTE: atm only possible with libplacebo master.
115 lines
3.8 KiB
Swift
115 lines
3.8 KiB
Swift
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import Cocoa
|
|
import QuartzCore
|
|
|
|
class MetalLayer: CAMetalLayer {
|
|
unowned var common: MacCommon
|
|
var log: LogHelper { return common.log }
|
|
|
|
// workaround for a MoltenVK workaround that sets the drawableSize to 1x1 to forcefully complete
|
|
// the presentation, this causes flicker and the drawableSize possibly staying at 1x1
|
|
override var drawableSize: CGSize {
|
|
get { return super.drawableSize }
|
|
set {
|
|
if Int(newValue.width) > 1 && Int(newValue.height) > 1 {
|
|
super.drawableSize = newValue
|
|
}
|
|
}
|
|
}
|
|
|
|
override var pixelFormat: MTLPixelFormat {
|
|
didSet {
|
|
if pixelFormat != oldValue {
|
|
log.verbose("Metal layer pixel format changed: \(pixelFormat.name)")
|
|
}
|
|
}
|
|
}
|
|
|
|
// workaround for nil to none-nil values, oldValue is same as current in those cases
|
|
var previousColorspace: CGColorSpace?
|
|
override var colorspace: CGColorSpace? {
|
|
didSet {
|
|
if colorspace != previousColorspace {
|
|
log.verbose("Metal layer colorspace changed: \(colorspace?.longName ?? "nil")")
|
|
}
|
|
previousColorspace = colorspace
|
|
}
|
|
}
|
|
|
|
override var edrMetadata: CAEDRMetadata? {
|
|
didSet {
|
|
if edrMetadata != oldValue {
|
|
log.verbose("Metal layer HDR metadata changed: \(edrMetadata?.description ?? "nil")")
|
|
}
|
|
}
|
|
}
|
|
|
|
override var wantsExtendedDynamicRangeContent: Bool {
|
|
didSet {
|
|
if wantsExtendedDynamicRangeContent != oldValue {
|
|
log.verbose("Metal layer HDR \(wantsExtendedDynamicRangeContent ? "active" : "inactive")")
|
|
}
|
|
}
|
|
}
|
|
|
|
override var displaySyncEnabled: Bool {
|
|
didSet {
|
|
if displaySyncEnabled != oldValue {
|
|
log.verbose("Metal layer display sync \(displaySyncEnabled ? "active" : "inactive")")
|
|
}
|
|
}
|
|
}
|
|
|
|
// workaround for MoltenVK problem setting this to false even when no transparent content is rendered
|
|
var wantsAlpha: Bool = false { didSet { isOpaque = !wantsAlpha } }
|
|
override var isOpaque: Bool {
|
|
get { return super.isOpaque }
|
|
set {
|
|
let isForced = newValue == wantsAlpha
|
|
if isOpaque == wantsAlpha || isForced {
|
|
super.isOpaque = !wantsAlpha
|
|
backgroundColor = (wantsAlpha ? NSColor.clear : NSColor.black).cgColor
|
|
log.verbose("Metal layer is opaque (direct-to-display possible): \(isOpaque)" + (isForced ? " (forced)" : ""))
|
|
}
|
|
}
|
|
}
|
|
|
|
init(common com: MacCommon) {
|
|
common = com
|
|
super.init()
|
|
|
|
pixelFormat = .rgba16Float
|
|
previousColorspace = colorspace
|
|
backgroundColor = NSColor.black.cgColor
|
|
}
|
|
|
|
// necessary for when the layer containing window changes the screen
|
|
override init(layer: Any) {
|
|
guard let oldLayer = layer as? MetalLayer else {
|
|
fatalError("init(layer: Any) passed an invalid layer")
|
|
}
|
|
common = oldLayer.common
|
|
super.init()
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
}
|