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lonewolff

DX11 Basic constant buffer question

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Hi Guys,

 

Currently I am just using a single shader in my DX11 based project. But, it got me wondering - When using PSSetConstantBuffers() and VSSetConstantBuffers(), how does DX know what shader it is working with? Or is it just assumed by the last SetShader() call?

 

I am guessing that this must be the case. But, I'd rather know for sure than to continue guessing. smile.png

 

Thanks in advance.

 

 

 

 

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Yes, the last SetShader call will determine what shader will run. Methods like SetConstantBuffer bind things to the pipeline (device context), not a specific shader.

 

You can do this for example and both draw calls will use the same constant buffer:

SetConstantBuffer(0, B1)
SetShader(S1)
Draw()
SetShader(S2)
Draw()
Edited by lwm

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