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Synchronously lookup shader from cache #305

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Synchronously lookup shader from cache #305

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2 changes: 1 addition & 1 deletion framework/Source/OpenGLContext_Shared.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ public let sharedImageProcessingContext = OpenGLContext()
extension OpenGLContext {
public func programForVertexShader(_ vertexShader:String, fragmentShader:String) throws -> ShaderProgram {
let lookupKeyForShaderProgram = "V: \(vertexShader) - F: \(fragmentShader)"
if let shaderFromCache = shaderCache[lookupKeyForShaderProgram] {
if let shaderFromCache = sharedImageProcessingContext.runOperationSynchronously({ shaderCache[lookupKeyForShaderProgram] }) {
return shaderFromCache
} else {
return try sharedImageProcessingContext.runOperationSynchronously{
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