Is there a way to access data, such as current resolution, from the shader without passing it specifically?
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Is there a way to access data, such as current resolution, from the shader without passing it specifically?
Resolution of the rendertarget is not available, you need to pass it explicitly.
Resolution of an input texture is in DirectX 10+, you can use GetDimensions
http://msdn.microsoft.com/en-us/library/windows/desktop/bb509693(v=vs.85).aspx