Hello
In directX 11, if I have a shader that takes vertices with POSITION defined as float3:
float3 pos : POSITION
Am I then allowed to use that shader with an input layout where the POSITION is defined to be a four component float using DXGI_FORMAT_R32G32B32A32_FLOAT? In essence am I allowed to use an input layout with more components (float3 < float4) in the input than the shader requires?
Also am I allowed to use an input layout where the POSITION is defined to be a two component float using DXGI_FORMAT_R32G32_FLOAT or a one component float using DXGI_FORMAT_R32_FLOAT? In essence am I allowed to use an input layout with fewer components in the input than what is defined in the shader.
Is there any kind of flexibility like this or do I have to provide an input layout where the POSITION is defined to be exactly a three component float?
Thanks for any help!
Karl
