Error Unable to Find Compiled Shaders

#1

Hello,
Since I reinstalled my System I can’t run my Xenko App any more.
At run-time I have an exception when Loading effect (EffectSystem.LoadEffect)
One of my shader is compiling OK, while the others don’t.

Compile shader exception: System.InvalidOperationException: Unable to find compiled shaders [shaders_bytecode/517b1e056bf970bd1aae19edc5f6708d] for mixin [mixin CopyEffect] with parameters []
à SiliconStudio.Xenko.Shaders.Compiler.EffectCompilerCache.Compile(ShaderMixinSource mixin, EffectCompilerParameters effectParameters, CompilerParameters compilerParameters) dans C:\TeamCity\work\d8c64cdc22790f8f\sources\engine\SiliconStudio.Xenko.Shaders\Compiler\EffectCompilerCache.cs:ligne 101
à SiliconStudio.Xenko.Shaders.Compiler.EffectCompilerBase.Compile(ShaderSource shaderSource, CompilerParameters compilerParameters) dans C:\TeamCity\work\d8c64cdc22790f8f\sources\engine\SiliconStudio.Xenko.Shaders\Compiler\EffectCompilerBase.cs:ligne 69
à SiliconStudio.Xenko.Rendering.EffectSystem.GetCompilerResults(String effectName, CompilerParameters compilerParameters) dans C:\TeamCity\work\d8c64cdc22790f8f\sources\engine\SiliconStudio.Xenko.Engine\Rendering\EffectSystem.cs:ligne 265
à SiliconStudio.Xenko.Rendering.EffectSystem.LoadEffect(String effectName, CompilerParameters compilerParameters) dans C:\TeamCity\work\d8c64cdc22790f8f\sources\engine\SiliconStudio.Xenko.Engine\Rendering\EffectSystem.cs:ligne 172
à SiliconStudio.Xenko.Rendering.EffectSystemExtensions.LoadEffect(EffectSystem effectSystem, String effectName) dans C:\TeamCity\work\d8c64cdc22790f8f\sources\engine\SiliconStudio.Xenko.Engine\Rendering\EffectSystemExtensions.cs:ligne 24
à Ocean7.Scripts.WavesToScreenScript2.Start() dans C:\YDS2\Ocean7\Ocean7\Ocean7.Game\Scripts\WavesToScreenScript2.cs:ligne 100

My EffectCompileLog.xkeffectlog looks good :
!EffectCompileRequest
EffectName: CopyEffect
UsedParameters: {}

!EffectCompileRequest
EffectName: WavesEffect
UsedParameters: {}

!EffectCompileRequest
EffectName: DerivedEffect
UsedParameters: {}

!EffectCompileRequest
EffectName: MergeEffect
UsedParameters: {}

!EffectCompileRequest
EffectName: WindToScreenEffect
UsedParameters: {}

!EffectCompileRequest
EffectName: SimpleColorEffect
UsedParameters: {}

I’m using Xenko 1.7
What are the possible reasons for error Unable to find compiled shaders?

Mat

#2

Since I reinstalled my System I can’t run my Xenko App any more.
Do you mean opening and compiling the Game with Xenko, or running an already compiled App?

It is possible that some cache is missing/corrupted. Try to clean your %TEMP% folder.
I would also suggest to upgrade the App to the latest Xenko version, but that might not necessarily be practical in your case.

#3

Thanks for your answer
Removing %TEMP% on the PC did not help.

PS : Problem occures on Windows desktop and on iOS too.
PS 2 : I plan to migrate to latest version of Xenko, but as there are breking changes I first need to compile & run on the version I use today.

[UPDATE]
I updated the name of my effect files. It solved the problem.
So you were right some trashy cache/temp data/files were probably associated with old file names (but somewhere outside %TEMP%)