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1. [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   

   Topic by asdfg9 · Sep 2017 · Home› Technical Talk

   PROBLEM: See the image below, two simple passes, draw pass1, overwrite with pass2, should end up seeing the second pass, but theres an error. It works if you disconnect one of the pixel shader color inputs (so it gets autoassigned black) but if both have color input like in the image, it errors out. (note that you have to…

2. Re: [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   Reply by kodde · Oct 2017 · Home› Technical Talk

   I just tried recreating this. I get the same error and behavior you describe. Maya 2017 64-bit gtx770 win7

3. Re: [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   Reply by shaderfx · Oct 2017 · Home› Technical Talk

   @kodde What is the error? If it is some missing variables maybe we can 'hack' them into the second pass by inserting a custom code node that just makes a dummy variables in the shader's header...

4. Re: [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   Reply by kodde · Oct 2017 · Home› Technical Talk

   I think I've only ever used multiple passes when using render targets. All the nodes in your screenshot have default settings?

5. Re: [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   Reply by kodde · Oct 2017 · Home› Technical Talk

   Same as asdfg9 mentioned. Redeclaration of _HPosition.

6. Re: [ShaderFX] [Maya] Two simple passes error.. doing something wrong? bug? limitation?

   

   Reply by shaderfx · Sep 2017 · Home› Technical Talk

   -- edit -- (nevermind: pointed to the wrong tutorial. Trying to locate a multi-pass one)