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george7378

Sending different structs to float4

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Hi everyone,

 

I've got a quick question: I have a float4 in my effect file, and it seems to work the same if I use SetValue() to send in a D3DXVECTOR4 or a D3DXPLANE from my program. Is there a difference between sending each type to the accommodate the float4 in my shader? What if I made a custom struct and tried to send it to my float4 using SetValue()? Also, what would happen if I tried to send a D3DXVECTOR3 to a float4?

 

Thanks!

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You are sending pack of bytes so it doesn't matter if it is D3DXVECTOR4, D3DXPLANE, MyColorClass4, __m128, or Foo

If you send less data then it needs then that is probably filled with garbage values.

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