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Code Issues Packages Projects Releases Wiki Activity

Camera and editor improvements

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This commit is contained in:
Ilya Laktyushin
2023-06-11 22:17:00 +04:00
parent 137e234310
commit ceaa808fad
5 changed files with 247 additions and 68 deletions
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164
submodules/TelegramUI/Components/CameraScreen/Sources/ShutterBlobView.swift
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@@ -3,6 +3,7 @@ import Metal
import MetalKit
import ComponentFlow
import Display
import MetalImageView
private final class PropertyAnimation<T: Interpolatable> {
let from: T
@@ -63,6 +64,7 @@ private final class AnimatableProperty<T: Interpolatable> {
}
func tick(timestamp: Double) -> Bool {
guard let animation = self.animation, case let .curve(duration, curve) = animation.animation else {
return false
}
@@ -73,8 +75,7 @@ private final class AnimatableProperty<T: Interpolatable> {
case .easeInOut:
t = listViewAnimationCurveEaseInOut(t)
case .spring:
t = listViewAnimationCurveEaseInOut(t)
//t = listViewAnimationCurveSystem(t)
t = lookupSpringValue(t)
case let .custom(x1, y1, x2, y2):
t = bezierPoint(CGFloat(x1), CGFloat(y1), CGFloat(x2), CGFloat(y2), t)
}
@@ -88,7 +89,69 @@ private final class AnimatableProperty<T: Interpolatable> {
}
}
final class ShutterBlobView: MTKView, MTKViewDelegate {
private func lookupSpringValue(_ t: CGFloat) -> CGFloat {
let table: [(CGFloat, CGFloat)] = [
(0.0, 0.0),
(0.0625, 0.1123005598783493),
(0.125, 0.31598418951034546),
(0.1875, 0.5103585720062256),
(0.25, 0.6650152802467346),
(0.3125, 0.777747631072998),
(0.375, 0.8557760119438171),
(0.4375, 0.9079672694206238),
(0.5, 0.942038357257843),
(0.5625, 0.9638798832893372),
(0.625, 0.9776856303215027),
(0.6875, 0.9863143563270569),
(0.75, 0.991658091545105),
(0.8125, 0.9949421286582947),
(0.875, 0.9969474077224731),
(0.9375, 0.9981651306152344),
(1.0, 1.0)
]
for i in 0 ..< table.count - 2 {
let lhs = table[i]
let rhs = table[i + 1]
if t >= lhs.0 && t <= rhs.0 {
let fraction = (t - lhs.0) / (rhs.0 - lhs.0)
let value = lhs.1 + fraction * (rhs.1 - lhs.1)
return value
}
}
return 1.0
// print("---start---")
// for i in 0 ..< 16 {
// let j = Double(i) * 1.0 / 16.0
// print("\(j) \(listViewAnimationCurveSystem(j))")
// }
// print("---end---")
}
private class ShutterBlobLayer: MetalImageLayer {
override public init() {
super.init()
self.renderer.imageUpdated = { [weak self] image in
self?.contents = image
}
}
override public init(layer: Any) {
super.init()
if let layer = layer as? ShutterBlobLayer {
self.contents = layer.contents
}
}
required public init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
final class ShutterBlobView: UIView {
enum BlobState {
case generic
case video
@@ -147,7 +210,6 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
private let commandQueue: MTLCommandQueue
private let drawPassthroughPipelineState: MTLRenderPipelineState
private var viewportDimensions = CGSize(width: 1, height: 1)
private var displayLink: SharedDisplayLinkDriver.Link?
@@ -162,6 +224,10 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
private(set) var state: BlobState = .generic
static override var layerClass: AnyClass {
return ShutterBlobLayer.self
}
public init?(test: Bool) {
let mainBundle = Bundle(for: ShutterBlobView.self)
@@ -207,16 +273,12 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
self.drawPassthroughPipelineState = try! device.makeRenderPipelineState(descriptor: pipelineStateDescriptor)
super.init(frame: CGRect(), device: device)
super.init(frame: CGRect())
(self.layer as! ShutterBlobLayer).renderer.device = device
self.isOpaque = false
self.backgroundColor = .clear
self.colorPixelFormat = .bgra8Unorm
self.framebufferOnly = true
self.isPaused = true
self.delegate = self
self.displayLink = SharedDisplayLinkDriver.shared.add { [weak self] in
self?.tick()
@@ -232,10 +294,6 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
self.displayLink?.invalidate()
}
public func mtkView(_ view: MTKView, drawableSizeWillChange size: CGSize) {
self.viewportDimensions = size
}
func updateState(_ state: BlobState, transition: Transition = .immediate) {
guard self.state != state else {
return
@@ -297,40 +355,56 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
self.draw()
}
override public func draw(_ rect: CGRect) {
self.redraw(drawable: self.currentDrawable!)
override func layoutSubviews() {
super.layoutSubviews()
self.tick()
}
private func redraw(drawable: MTLDrawable) {
guard let commandBuffer = self.commandQueue.makeCommandBuffer() else {
private func getNextDrawable(layer: MetalImageLayer, drawableSize: CGSize) -> MetalImageLayer.Drawable? {
layer.renderer.drawableSize = drawableSize
return layer.renderer.nextDrawable()
}
func draw() {
guard let layer = self.layer as? MetalImageLayer else {
return
}
self.updateAnimations()
let drawableSize = CGSize(width: self.bounds.width * UIScreen.main.scale, height: self.bounds.height * UIScreen.main.scale)
guard let drawable = self.getNextDrawable(layer: layer, drawableSize: drawableSize) else {
return
}
let renderPassDescriptor = self.currentRenderPassDescriptor!
let renderPassDescriptor = MTLRenderPassDescriptor()
renderPassDescriptor.colorAttachments[0].texture = drawable.texture
renderPassDescriptor.colorAttachments[0].loadAction = .clear
renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColor(red: 0, green: 0, blue: 0, alpha: 0.0)
renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColor(red: 0, green: 0, blue: 0, alpha: 0)
guard let commandBuffer = self.commandQueue.makeCommandBuffer() else {
return
}
guard let renderEncoder = commandBuffer.makeRenderCommandEncoder(descriptor: renderPassDescriptor) else {
return
}
let viewportDimensions = self.viewportDimensions
renderEncoder.setViewport(MTLViewport(originX: 0.0, originY: 0.0, width: viewportDimensions.width, height: viewportDimensions.height, znear: -1.0, zfar: 1.0))
renderEncoder.setViewport(MTLViewport(originX: 0.0, originY: 0.0, width: drawableSize.width, height: drawableSize.height, znear: -1.0, zfar: 1.0))
renderEncoder.setRenderPipelineState(self.drawPassthroughPipelineState)
let w = Float(1)
let h = Float(1)
var vertices: [Float] = [
w, -h,
-w, -h,
-w, h,
w, -h,
-w, h,
w, h
1, -1,
-1, -1,
-1, 1,
1, -1,
-1, 1,
1, 1
]
renderEncoder.setVertexBytes(&vertices, length: 4 * vertices.count, index: 0)
var resolution = simd_uint2(UInt32(viewportDimensions.width), UInt32(viewportDimensions.height))
var resolution = simd_uint2(UInt32(drawableSize.width), UInt32(drawableSize.height))
renderEncoder.setFragmentBytes(&resolution, length: MemoryLayout<simd_uint2>.size * 2, index: 0)
var primaryParameters = simd_float4(
@@ -340,7 +414,7 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
Float(self.primaryCornerRadius.presentationValue)
)
renderEncoder.setFragmentBytes(&primaryParameters, length: MemoryLayout<simd_float4>.size, index: 1)
var secondaryParameters = simd_float3(
Float(self.secondarySize.presentationValue),
Float(self.secondaryOffset.presentationValue),
@@ -350,17 +424,17 @@ final class ShutterBlobView: MTKView, MTKViewDelegate {
renderEncoder.drawPrimitives(type: .triangle, vertexStart: 0, vertexCount: 6, instanceCount: 1)
renderEncoder.endEncoding()
commandBuffer.present(drawable)
var storedDrawable: MetalImageLayer.Drawable? = drawable
commandBuffer.addCompletedHandler { _ in
DispatchQueue.main.async {
autoreleasepool {
storedDrawable?.present(completion: {})
storedDrawable = nil
}
}
}
commandBuffer.commit()
}
override func layoutSubviews() {
super.layoutSubviews()
self.tick()
}
func draw(in view: MTKView) {
}
}