imageTexture 有可能为空处理

BFFramework/Classes/PQGPUImage/akfilters/PQImageFilter.swift

@@ -72,7 +72,8 @@ open class PQImageFilter: PQBaseFilter {
         }
 
         if newImage != nil {
-            BFLog(message: "提前加载图片。。。。timelineIn : \(String(describing: mSticker?.timelineIn)) timelineOut :\(mSticker?.timelineOut) \(mSticker?.locationPath)")
+            BFLog(message: "提前加载图片。。。。timelineIn : \(String(describing: mSticker?.timelineIn)) timelineOut :\(String(describing: mSticker?.timelineOut)) \(String(describing: mSticker?.locationPath))")
+            
             imageTexture = PQGPUImageTools.setupTexture(image: newImage!.cgImage!)
 
         } else { FilterLog(message: "image filter init error image data is nil!") }
@@ -115,13 +116,19 @@ open class PQImageFilter: PQBaseFilter {
 
         FilterLog(message: " image filter 当前时间: \(currTime) \(newImage!.size)")
 
-        if currTime >= mSticker!.timelineIn && currTime <= mSticker!.timelineOut {
+//        if currTime >= mSticker!.timelineIn && currTime <= mSticker!.timelineOut {
             FilterLog(message: " 显示图片当前时间: \(currTime) 开始时间：\(mSticker!.timelineIn) 结束时间：\(mSticker!.timelineOut)  \(String(describing: newImage?.size))")
             // 取纹理坐标
             let textureCoordinates = PQGPUImageTools.getTextureCoordinates(sticker: mSticker!, textureSize: newImage!.size, cannvasSize: inputSize)
 
             FilterLog(message: "textureCoordinates is \(textureCoordinates)")
-
+            
+            //imageTexture 有可能被析构导致黑屏
+            if(imageTexture == 0){
+                FilterLog(message: "imageTexture is error !!!!!")
+                imageTexture = PQGPUImageTools.setupTexture(image: newImage!.cgImage!)
+            }
+        
             let texturePropertiesimagetwo = InputTextureProperties(textureCoordinates: textureCoordinates, texture: imageTexture)
 
             let verticesPoint: [GLfloat] = PQGPUImageTools.getVerticesPoint(sticker: mSticker!, textureSize: newImage!.size, cannvasSize: inputSize)
@@ -131,8 +138,6 @@ open class PQImageFilter: PQBaseFilter {
 
                                  inputTextures: [texturePropertiesimagetwo])
             releaseIncomingFramebuffers()
-        } else {
-//            imageTexture = 0
-        }
+ 
     }
 }