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This commit is contained in:
Ali
2023-11-17 21:48:46 +04:00
parent 165b23570b
commit e25f926342
38 changed files with 3431 additions and 2656 deletions
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34
submodules/TelegramUI/Components/DustEffect/Sources/DustEffectLayer.swift
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@@ -36,6 +36,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
let texture: MTLTexture
var phase: Float = 0
var particleBufferIsInitialized: Bool = false
var particleBuffer: SharedBuffer?
init?(frame: CGRect, image: UIImage) {
@@ -78,18 +79,29 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
}
final class DustComputeState: ComputeState {
let computePipelineStateInitializeParticle: MTLComputePipelineState
let computePipelineStateUpdateParticle: MTLComputePipelineState
required init?(device: MTLDevice) {
guard let library = metalLibrary(device: device) else {
return nil
}
guard let functionDustEffectInitializeParticle = library.makeFunction(name: "dustEffectInitializeParticle") else {
return nil
}
guard let computePipelineStateInitializeParticle = try? device.makeComputePipelineState(function: functionDustEffectInitializeParticle) else {
return nil
}
self.computePipelineStateInitializeParticle = computePipelineStateInitializeParticle
guard let functionDustEffectUpdateParticle = library.makeFunction(name: "dustEffectUpdateParticle") else {
return nil
}
guard let computePipelineStateUpdateParticle = try? device.makeComputePipelineState(function: functionDustEffectUpdateParticle) else {
return nil
}
self.computePipelineStateUpdateParticle = computePipelineStateUpdateParticle
}
}
@@ -127,7 +139,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
fatalError("init(coder:) has not been implemented")
}
private func updateItems() {
private func updateItems(deltaTime: Double) {
var didRemoveItems = false
for i in (0 ..< self.items.count).reversed() {
self.items[i].phase += (1.0 / 60.0) / Float(UIView.animationDurationFactor())
@@ -147,13 +159,13 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
private func updateNeedsAnimation() {
if !self.items.isEmpty && self.isInHierarchy {
if self.updateLink == nil {
self.updateLink = SharedDisplayLinkDriver.shared.add { [weak self] in
self.updateLink = SharedDisplayLinkDriver.shared.add(framesPerSecond: .fps(60), { [weak self] deltaTime in
guard let self else {
return
}
self.updateItems()
self.updateItems(deltaTime: deltaTime)
self.setNeedsUpdate()
}
})
}
} else {
if self.updateLink != nil {
@@ -189,7 +201,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
if let particleBuffer = MetalEngine.shared.sharedBuffer(spec: BufferSpec(length: particleCount * 4 * (4 + 1))) {
item.particleBuffer = particleBuffer
let particles = particleBuffer.buffer.contents().assumingMemoryBound(to: Float.self)
/*let particles = particleBuffer.buffer.contents().assumingMemoryBound(to: Float.self)
for i in 0 ..< particleCount {
particles[i * 5 + 0] = 0.0;
particles[i * 5 + 1] = 0.0;
@@ -200,7 +212,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
particles[i * 5 + 3] = sin(direction) * velocity
particles[i * 5 + 4] = Float.random(in: 0.7 ... 1.5)
}
}*/
}
}
}
@@ -217,6 +229,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
guard let particleBuffer = item.particleBuffer else {
continue
}
let itemFrame = item.frame
let particleColumnCount = Int(itemFrame.width)
let particleRowCount = Int(itemFrame.height)
@@ -224,8 +237,15 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
let threadgroupSize = MTLSize(width: 32, height: 1, depth: 1)
let threadgroupCount = MTLSize(width: (particleRowCount * particleColumnCount + threadgroupSize.width - 1) / threadgroupSize.width, height: 1, depth: 1)
computeEncoder.setComputePipelineState(state.computePipelineStateUpdateParticle)
computeEncoder.setBuffer(particleBuffer.buffer, offset: 0, index: 0)
if !item.particleBufferIsInitialized {
item.particleBufferIsInitialized = true
computeEncoder.setComputePipelineState(state.computePipelineStateInitializeParticle)
computeEncoder.dispatchThreadgroups(threadgroupCount, threadsPerThreadgroup: threadgroupSize)
}
computeEncoder.setComputePipelineState(state.computePipelineStateUpdateParticle)
var particleCount = SIMD2<UInt32>(UInt32(particleColumnCount), UInt32(particleRowCount))
computeEncoder.setBytes(&particleCount, length: 4 * 2, index: 1)
var phase = item.phase