Animation rendering updates

This commit is contained in:
Ali 2022-02-11 23:49:58 +04:00
parent c8bc4b7f12
commit 05a0d399dd
6 changed files with 228 additions and 217 deletions

View File

@ -172,7 +172,7 @@ public final class AnimatedStickerNode: ASDisplayNode {
private var cachedData: (Data, Bool, EmojiFitzModifier?)?
private let useMetalCache: Bool
private var renderer: (AnimationRenderer & ASDisplayNode)?
private var renderer: AnimationRendererPool.Holder?
public var isPlaying: Bool = false
private var currentLoopCount: Int = 0
@ -232,30 +232,42 @@ public final class AnimatedStickerNode: ASDisplayNode {
self.timer.swap(nil)?.invalidate()
}
private static let hardwareRendererPool = AnimationRendererPool(generate: {
if #available(iOS 10.0, *) {
return CompressedAnimationRenderer()
} else {
return SoftwareAnimationRenderer()
}
})
private static let softwareRendererPool = AnimationRendererPool(generate: {
return SoftwareAnimationRenderer()
})
private weak var nodeToCopyFrameFrom: AnimatedStickerNode?
override public func didLoad() {
super.didLoad()
if #available(iOS 10.0, *), self.useMetalCache {
self.renderer = CompressedAnimationRenderer()
self.renderer = AnimatedStickerNode.hardwareRendererPool.take()
} else {
self.renderer = SoftwareAnimationRenderer()
self.renderer = AnimatedStickerNode.softwareRendererPool.take()
if let contents = self.nodeToCopyFrameFrom?.renderer?.renderer.contents {
self.renderer?.renderer.contents = contents
}
}
self.renderer?.frame = CGRect(origin: CGPoint(), size: self.size ?? self.bounds.size)
if let contents = self.nodeToCopyFrameFrom?.renderer?.contents {
self.renderer?.contents = contents
}
self.renderer?.renderer.frame = CGRect(origin: CGPoint(), size: self.size ?? self.bounds.size)
if let (overlayColor, replace) = self.overlayColor {
self.renderer?.setOverlayColor(overlayColor, replace: replace, animated: false)
self.renderer?.renderer.setOverlayColor(overlayColor, replace: replace, animated: false)
}
self.nodeToCopyFrameFrom = nil
self.addSubnode(self.renderer!)
self.addSubnode(self.renderer!.renderer)
}
public func cloneCurrentFrame(from otherNode: AnimatedStickerNode?) {
if let renderer = self.renderer {
if let contents = otherNode?.renderer?.contents {
if let renderer = self.renderer?.renderer as? SoftwareAnimationRenderer, let otherRenderer = otherNode?.renderer?.renderer as? SoftwareAnimationRenderer {
if let contents = otherRenderer.contents {
renderer.contents = contents
}
} else {
@ -428,7 +440,7 @@ public final class AnimatedStickerNode: ASDisplayNode {
return
}
strongSelf.renderer?.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
strongSelf.renderer?.renderer.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
guard let strongSelf = self else {
return
}
@ -532,7 +544,7 @@ public final class AnimatedStickerNode: ASDisplayNode {
return
}
strongSelf.renderer?.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
strongSelf.renderer?.renderer.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
guard let strongSelf = self else {
return
}
@ -685,7 +697,7 @@ public final class AnimatedStickerNode: ASDisplayNode {
return
}
strongSelf.renderer?.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
strongSelf.renderer?.renderer.render(queue: strongSelf.queue, width: frame.width, height: frame.height, bytesPerRow: frame.bytesPerRow, data: frame.data, type: frame.type, mulAlpha: frame.multiplyAlpha, completion: {
guard let strongSelf = self else {
return
}
@ -715,11 +727,11 @@ public final class AnimatedStickerNode: ASDisplayNode {
public func updateLayout(size: CGSize) {
self.size = size
self.renderer?.frame = CGRect(origin: CGPoint(), size: size)
self.renderer?.renderer.frame = CGRect(origin: CGPoint(), size: size)
}
public func setOverlayColor(_ color: UIColor?, replace: Bool, animated: Bool) {
self.overlayColor = (color, replace)
self.renderer?.setOverlayColor(color, replace: replace, animated: animated)
self.renderer?.renderer.setOverlayColor(color, replace: replace, animated: animated)
}
}

View File

@ -8,7 +8,47 @@ public enum AnimationRendererFrameType {
case dct
}
protocol AnimationRenderer {
final class AnimationRendererPool {
final class Holder {
let pool: AnimationRendererPool
let renderer: AnimationRenderer
init(pool: AnimationRendererPool, renderer: AnimationRenderer) {
self.pool = pool
self.renderer = renderer
}
deinit {
self.renderer.removeFromSupernode()
self.pool.putBack(renderer: self.renderer)
}
}
private let generate: () -> AnimationRenderer
private var items: [AnimationRenderer] = []
init(generate: @escaping () -> AnimationRenderer) {
self.generate = generate
}
func take() -> Holder {
if !self.items.isEmpty {
let item = self.items.removeLast()
return Holder(pool: self, renderer: item)
} else {
return Holder(pool: self, renderer: self.generate())
}
}
private func putBack(renderer: AnimationRenderer) {
#if DEBUG
self.items.append(renderer)
#endif
}
}
protocol AnimationRenderer: ASDisplayNode {
func render(queue: Queue, width: Int, height: Int, bytesPerRow: Int, data: Data, type: AnimationRendererFrameType, mulAlpha: Bool, completion: @escaping () -> Void)
func setOverlayColor(_ color: UIColor?, replace: Bool, animated: Bool)

View File

@ -88,66 +88,6 @@ final class CompressedAnimationRenderer: ASDisplayNode, AnimationRenderer {
case .yuva:
self.renderer.renderYuva(metalLayer: self.layer, width: width, height: height, data: data, completion: completion)
}
/*assert(bytesPerRow > 0)
queue.async { [weak self] in
switch type {
case .dct:
break
default:
return
}
var image: UIImage?
autoreleasepool {
image = generateImagePixel(CGSize(width: CGFloat(width), height: CGFloat(height)), scale: 1.0, pixelGenerator: { _, pixelData, contextBytesPerRow in
switch type {
case .yuva:
data.withUnsafeBytes { bytes -> Void in
guard let baseAddress = bytes.baseAddress else {
return
}
if bytesPerRow <= 0 || height <= 0 || width <= 0 || bytesPerRow * height > bytes.count {
assert(false)
return
}
decodeYUVAToRGBA(baseAddress.assumingMemoryBound(to: UInt8.self), pixelData, Int32(width), Int32(height), Int32(contextBytesPerRow))
}
case .argb:
var data = data
data.withUnsafeMutableBytes { bytes -> Void in
guard let baseAddress = bytes.baseAddress else {
return
}
if mulAlpha {
var srcData = vImage_Buffer(data: baseAddress.assumingMemoryBound(to: UInt8.self), height: vImagePixelCount(height), width: vImagePixelCount(width), rowBytes: bytesPerRow)
var destData = vImage_Buffer(data: pixelData, height: vImagePixelCount(height), width: vImagePixelCount(width), rowBytes: bytesPerRow)
let permuteMap: [UInt8] = [3, 2, 1, 0]
vImagePermuteChannels_ARGB8888(&srcData, &destData, permuteMap, vImage_Flags(kvImageDoNotTile))
vImagePremultiplyData_ARGB8888(&destData, &destData, vImage_Flags(kvImageDoNotTile))
vImagePermuteChannels_ARGB8888(&destData, &destData, permuteMap, vImage_Flags(kvImageDoNotTile))
} else {
memcpy(pixelData, baseAddress.assumingMemoryBound(to: UInt8.self), bytes.count)
}
}
}
})
}
Queue.mainQueue().async {
guard let strongSelf = self else {
return
}
strongSelf.contents = image?.cgImage
strongSelf.updateHighlightedContentNode()
if strongSelf.highlightedContentNode?.frame != strongSelf.bounds {
strongSelf.highlightedContentNode?.frame = strongSelf.bounds
}
completion()
}
}*/
}
private func updateHighlightedContentNode() {

View File

@ -75,7 +75,9 @@ fragment float4 samplingIdctShader(
const half4 yuva = half4(color0, color1, color2, color3);
return float4(rgb(yuva));
const half4 color = rgb(yuva);
return float4(color.r * color.a, color.g * color.a, color.b * color.a, color.a);
}
fragment float4 samplingRgbShader(
@ -84,7 +86,11 @@ fragment float4 samplingRgbShader(
) {
constexpr sampler textureSampler(mag_filter::linear, min_filter::linear);
const half4 color = colorTexture.sample(textureSampler, in.textureCoordinate);
half4 color = colorTexture.sample(textureSampler, in.textureCoordinate);
color.r *= color.a;
color.g *= color.a;
color.b *= color.a;
return float4(color.r, color.g, color.b, color.a);
}
@ -104,27 +110,33 @@ fragment float4 samplingYuvaShader(
RasterizerData in [[stage_in]],
texture2d<half, access::sample> yTexture [[texture(0)]],
texture2d<half, access::sample> cbcrTexture [[texture(1)]],
texture2d<uint, access::sample> alphaTexture [[texture(2)]],
constant int &alphaWidth [[buffer(3)]]
texture2d<uint, access::read> alphaTexture [[texture(2)]],
constant uint2 &alphaSize [[buffer(3)]]
) {
constexpr sampler textureSampler(mag_filter::linear, min_filter::linear);
constexpr sampler nearestSampler(mag_filter::nearest, min_filter::nearest);
half4 color = samplePoint(yTexture, cbcrTexture, textureSampler, in.textureCoordinate);
int horizontalPixel = (int)(in.textureCoordinate.x * alphaWidth);
uint8_t alpha2 = (uint8_t)alphaTexture.sample(nearestSampler, in.textureCoordinate.x, in.textureCoordinate.y).r;
int alphaX = (int)(in.textureCoordinate.x * alphaSize.x);
int alphaY = (int)(in.textureCoordinate.y * alphaSize.y);
uint8_t a1 = (alpha2 & (0xf0U));
uint8_t a2 = ((alpha2 & (0x0fU)) << 4);
uint32_t packedAlpha = alphaTexture.read(uint2(alphaX / 2, alphaY)).r;
uint32_t a1 = (packedAlpha & (0xf0U));
uint32_t a2 = (packedAlpha & (0x0fU)) << 4;
uint8_t alphas[2];
alphas[0] = a1 | (a1 >> 4);
alphas[1] = a2 | (a2 >> 4);
int alphaIndex = horizontalPixel % 2;
uint8_t resolvedAlpha = alphas[alphaIndex];
uint32_t left = (a1 >> 4) | a1;
uint32_t right = (a2 >> 4) | a2;
color.a = ((half)resolvedAlpha) / 255.0f;
uint32_t chooseLeft = alphaX % 2 == 0;
uint32_t resolvedAlpha = chooseLeft * left + (1 - chooseLeft) * right;
float alpha = resolvedAlpha / 255.0f;
color.r *= alpha;
color.g *= alpha;
color.b *= alpha;
color.a = alpha;
return float4(color);
}

View File

@ -131,17 +131,12 @@ final class Texture {
}
}
func readDirect(width: Int, height: Int, bytesPerRow: Int, read: (UnsafeMutableRawPointer, Int) -> Void) {
func readDirect(width: Int, height: Int, bytesPerRow: Int, read: (UnsafeMutableRawPointer?) -> UnsafeRawPointer) {
if let directBuffer = self.directBuffer, width == self.width, height == self.height, bytesPerRow == directBuffer.bytesPerRow {
read(directBuffer.buffer.contents(), directBuffer.buffer.length)
let _ = read(directBuffer.buffer.contents())
} else {
var tempData = Data(count: height * bytesPerRow)
tempData.withUnsafeMutableBytes { bytes in
read(bytes.baseAddress!, height * bytesPerRow)
let region = MTLRegion(origin: MTLOrigin(x: 0, y: 0, z: 0), size: MTLSize(width: width, height: height, depth: 1))
self.texture.replace(region: region, mipmapLevel: 0, withBytes: bytes.baseAddress!, bytesPerRow: bytesPerRow)
}
let region = MTLRegion(origin: MTLOrigin(x: 0, y: 0, z: 0), size: MTLSize(width: width, height: height, depth: 1))
self.texture.replace(region: region, mipmapLevel: 0, withBytes: read(nil), bytesPerRow: bytesPerRow)
}
}
}

View File

@ -22,7 +22,6 @@ public final class CompressedImageRenderer {
let renderIdctPipelineState: MTLRenderPipelineState
let renderRgbPipelineState: MTLRenderPipelineState
let renderYuvaPipelineState: MTLRenderPipelineState
let commandQueue: MTLCommandQueue
init?(sharedContext: AnimationCompressor.SharedContext) {
self.sharedContext = sharedContext
@ -81,11 +80,6 @@ public final class CompressedImageRenderer {
return nil
}
self.renderYuvaPipelineState = renderYuvaPipelineState
guard let commandQueue = self.sharedContext.device.makeCommandQueue() else {
return nil
}
self.commandQueue = commandQueue
}
}
@ -98,10 +92,61 @@ public final class CompressedImageRenderer {
private var rgbTexture: Texture?
private var yuvaTextures: TextureSet?
private let commandQueue: MTLCommandQueue
public init?(sharedContext: AnimationCompressor.SharedContext) {
self.sharedContext = sharedContext
self.shared = Shared.shared
guard let commandQueue = self.sharedContext.device.makeCommandQueue() else {
return nil
}
self.commandQueue = commandQueue
}
private var drawableRequestTimestamp: Double?
private func getNextDrawable(metalLayer: CALayer, drawableSize: CGSize) -> CAMetalDrawable? {
#if targetEnvironment(simulator)
if #available(iOS 13.0, *) {
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
return metalLayer.nextDrawable()
} else {
return nil
}
} else {
return nil
}
#else
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
let beginTime = CFAbsoluteTimeGetCurrent()
let drawableRequestDuration: Double
if let drawableRequestTimestamp = self.drawableRequestTimestamp {
drawableRequestDuration = beginTime - drawableRequestTimestamp
if drawableRequestDuration < 1.0 / 60.0 {
return nil
}
} else {
drawableRequestDuration = 0.0
}
self.drawableRequestTimestamp = beginTime
let result = metalLayer.nextDrawable()
let duration = CFAbsoluteTimeGetCurrent() - beginTime
if duration > 1.0 / 200.0 {
print("lag \(duration * 1000.0) ms (\(drawableRequestDuration * 1000.0) ms)")
}
return result
} else {
return nil
}
#endif
}
private func updateIdctTextures(compressedImage: AnimationCompressor.CompressedImageData) {
@ -162,8 +207,18 @@ public final class CompressedImageRenderer {
let planeSize = Int(readBuffer.readInt32())
let planeData = readBuffer.readDataNoCopy(length: planeSize)
compressedTextures.textures[i].readDirect(width: planeWidth, height: planeHeight, bytesPerRow: bytesPerRow, read: { destination, maxLength in
readDCTBlocks(Int32(planeWidth), Int32(planeHeight), planeData, destination.assumingMemoryBound(to: Float32.self), Int32(bytesPerRow / 4))
var tempData: Data?
compressedTextures.textures[i].readDirect(width: planeWidth, height: planeHeight, bytesPerRow: bytesPerRow, read: { destinationBytes in
if let destinationBytes = destinationBytes {
readDCTBlocks(Int32(planeWidth), Int32(planeHeight), planeData, destinationBytes.assumingMemoryBound(to: Float32.self), Int32(bytesPerRow / 4))
return UnsafeRawPointer(destinationBytes)
} else {
tempData = Data(count: bytesPerRow * planeHeight)
return tempData!.withUnsafeMutableBytes { bytes -> UnsafeRawPointer in
readDCTBlocks(Int32(planeWidth), Int32(planeHeight), planeData, bytes.baseAddress!.assumingMemoryBound(to: Float32.self), Int32(bytesPerRow / 4))
return UnsafeRawPointer(bytes.baseAddress!)
}
}
})
}
}
@ -177,7 +232,7 @@ public final class CompressedImageRenderer {
return
}
guard let commandBuffer = self.shared.commandQueue.makeCommandBuffer() else {
guard let commandBuffer = self.commandQueue.makeCommandBuffer() else {
return
}
commandBuffer.label = "MyCommand"
@ -240,28 +295,7 @@ public final class CompressedImageRenderer {
let drawableSize = CGSize(width: CGFloat(outputTextures.textures[0].width), height: CGFloat(outputTextures.textures[0].height))
var maybeDrawable: CAMetalDrawable?
#if targetEnvironment(simulator)
if #available(iOS 13.0, *) {
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
} else {
preconditionFailure()
}
#else
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
#endif
guard let drawable = maybeDrawable else {
guard let drawable = self.getNextDrawable(metalLayer: metalLayer, drawableSize: drawableSize) else {
commandBuffer.commit()
completion()
return
@ -287,13 +321,34 @@ public final class CompressedImageRenderer {
renderEncoder.endEncoding()
commandBuffer.present(drawable)
var storedDrawable: MTLDrawable? = drawable
commandBuffer.addScheduledHandler { _ in
storedDrawable?.present()
storedDrawable = nil
}
#if targetEnvironment(simulator)
commandBuffer.addCompletedHandler { _ in
DispatchQueue.main.async {
completion()
}
}
#else
if #available(iOS 10.3, *) {
drawable.addPresentedHandler { _ in
DispatchQueue.main.async {
completion()
}
}
} else {
commandBuffer.addCompletedHandler { _ in
DispatchQueue.main.async {
completion()
}
}
}
#endif
commandBuffer.commit()
}
@ -316,8 +371,15 @@ public final class CompressedImageRenderer {
rgbTexture = texture
}
rgbTexture.readDirect(width: width, height: height, bytesPerRow: bytesPerRow, read: { destination, maxLength in
data.copyBytes(to: destination.assumingMemoryBound(to: UInt8.self), from: 0 ..< min(maxLength, data.count))
rgbTexture.readDirect(width: width, height: height, bytesPerRow: bytesPerRow, read: { destinationBytes in
return data.withUnsafeBytes { bytes -> UnsafeRawPointer in
if let destinationBytes = destinationBytes {
memcpy(destinationBytes, bytes.baseAddress!, bytes.count)
return UnsafeRawPointer(destinationBytes)
} else {
return bytes.baseAddress!
}
}
})
}
@ -328,35 +390,14 @@ public final class CompressedImageRenderer {
return
}
guard let commandBuffer = self.shared.commandQueue.makeCommandBuffer() else {
guard let commandBuffer = self.commandQueue.makeCommandBuffer() else {
return
}
commandBuffer.label = "MyCommand"
let drawableSize = CGSize(width: CGFloat(rgbTexture.width), height: CGFloat(rgbTexture.height))
var maybeDrawable: CAMetalDrawable?
#if targetEnvironment(simulator)
if #available(iOS 13.0, *) {
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
} else {
preconditionFailure()
}
#else
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
#endif
guard let drawable = maybeDrawable else {
guard let drawable = self.getNextDrawable(metalLayer: metalLayer, drawableSize: drawableSize) else {
commandBuffer.commit()
completion()
return
@ -413,7 +454,7 @@ public final class CompressedImageRenderer {
pixelFormat: .rg8Unorm
),
TextureSet.Description(
fractionWidth: 1, fractionHeight: 1,
fractionWidth: 2, fractionHeight: 1,
pixelFormat: .r8Uint
)
],
@ -431,40 +472,32 @@ public final class CompressedImageRenderer {
return
}
yuvaTextures.textures[0].readDirect(width: width, height: height, bytesPerRow: width, read: { destination, maxLength in
memcpy(destination, yuva.advanced(by: 0), min(width * height, maxLength))
})
yuvaTextures.textures[1].readDirect(width: width / 2, height: height / 2, bytesPerRow: width, read: { destination, maxLength in
memcpy(destination, yuva.advanced(by: width * height), min(width * height, maxLength))
})
var unpackedAlpha = Data(count: width * height)
unpackedAlpha.withUnsafeMutableBytes { alphaBuffer in
let alphaBytes = alphaBuffer.baseAddress!.assumingMemoryBound(to: UInt8.self)
let alpha = yuva.advanced(by: width * height * 2)
var i = 0
for y in 0 ..< height {
let alphaRow = alphaBytes.advanced(by: y * width)
var x = 0
while x < width {
let a = alpha[i / 2]
let a1 = (a & (0xf0))
let a2 = ((a & (0x0f)) << 4)
alphaRow[x + 0] = a1 | (a1 >> 4);
alphaRow[x + 1] = a2 | (a2 >> 4);
x += 2
i += 2
}
yuvaTextures.textures[0].readDirect(width: width, height: height, bytesPerRow: width, read: { destinationBytes in
if let destinationBytes = destinationBytes {
memcpy(destinationBytes, yuva.advanced(by: 0), width * height)
return UnsafeRawPointer(destinationBytes)
} else {
return UnsafeRawPointer(yuva.advanced(by: 0))
}
yuvaTextures.textures[2].readDirect(width: width, height: height, bytesPerRow: width, read: { destination, maxLength in
memcpy(destination, alphaBytes, min(maxLength, width * height))
})
}
})
yuvaTextures.textures[1].readDirect(width: width / 2, height: height / 2, bytesPerRow: width, read: { destinationBytes in
if let destinationBytes = destinationBytes {
memcpy(destinationBytes, yuva.advanced(by: width * height), width * height / 2)
return UnsafeRawPointer(destinationBytes)
} else {
return UnsafeRawPointer(yuva.advanced(by: width * height))
}
})
yuvaTextures.textures[2].readDirect(width: width / 2, height: height, bytesPerRow: width / 2, read: { destinationBytes in
if let destinationBytes = destinationBytes {
memcpy(destinationBytes, yuva.advanced(by: width * height * 2), width / 2 * height)
return UnsafeRawPointer(destinationBytes)
} else {
return UnsafeRawPointer(yuva.advanced(by: width * height * 2))
}
})
}
}
@ -475,35 +508,14 @@ public final class CompressedImageRenderer {
return
}
guard let commandBuffer = self.shared.commandQueue.makeCommandBuffer() else {
guard let commandBuffer = self.commandQueue.makeCommandBuffer() else {
return
}
commandBuffer.label = "MyCommand"
let drawableSize = CGSize(width: CGFloat(yuvaTextures.width), height: CGFloat(yuvaTextures.height))
var maybeDrawable: CAMetalDrawable?
#if targetEnvironment(simulator)
if #available(iOS 13.0, *) {
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
} else {
preconditionFailure()
}
#else
if let metalLayer = metalLayer as? CAMetalLayer {
if metalLayer.drawableSize != drawableSize {
metalLayer.drawableSize = drawableSize
}
maybeDrawable = metalLayer.nextDrawable()
}
#endif
guard let drawable = maybeDrawable else {
guard let drawable = self.getNextDrawable(metalLayer: metalLayer, drawableSize: drawableSize) else {
commandBuffer.commit()
completion()
return
@ -524,8 +536,8 @@ public final class CompressedImageRenderer {
renderEncoder.setFragmentTexture(yuvaTextures.textures[1].texture, index: 1)
renderEncoder.setFragmentTexture(yuvaTextures.textures[2].texture, index: 2)
var alphaWidth: Int32 = Int32(yuvaTextures.textures[2].texture.width)
renderEncoder.setFragmentBytes(&alphaWidth, length: 4, index: 3)
var alphaSize = simd_uint2(UInt32(yuvaTextures.textures[0].texture.width), UInt32(yuvaTextures.textures[0].texture.height))
renderEncoder.setFragmentBytes(&alphaSize, length: 8, index: 3)
renderEncoder.drawPrimitives(type: .triangle, vertexStart: 0, vertexCount: 6)