49 lines
1.4 KiB
Swift
49 lines
1.4 KiB
Swift
import Foundation
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import GLKit
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import Flutter
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public class FlutterFilamentTexture : NSObject, FlutterTexture {
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public var pixelBuffer: CVPixelBuffer?
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var pixelBufferAttrs = [
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kCVPixelBufferPixelFormatTypeKey: NSNumber(value: kCVPixelFormatType_32BGRA),
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kCVPixelBufferOpenGLCompatibilityKey: kCFBooleanTrue,
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kCVPixelBufferOpenGLESCompatibilityKey: kCFBooleanTrue,
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kCVPixelBufferIOSurfacePropertiesKey: [:]
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] as CFDictionary
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var flutterTextureId: Int64 = -1
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var registry: FlutterTextureRegistry?
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init(width:Int64, height:Int64, registry:FlutterTextureRegistry) {
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self.registry = registry
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super.init()
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if(CVPixelBufferCreate(kCFAllocatorDefault, Int(width), Int(height),
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kCVPixelFormatType_32BGRA, pixelBufferAttrs, &pixelBuffer) != kCVReturnSuccess) {
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print("Error allocating pixel buffer")
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} else {
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self.flutterTextureId = registry.register(self)
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}
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}
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public func copyPixelBuffer() -> Unmanaged<CVPixelBuffer>? {
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return Unmanaged.passRetained(pixelBuffer!);
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}
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public func onTextureUnregistered(_ texture:FlutterTexture) {
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print("Texture unregistered")
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}
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public func destroy() {
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if(self.flutterTextureId != -1) {
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self.registry!.unregisterTexture(self.flutterTextureId)
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}
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self.pixelBuffer = nil
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}
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}
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