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UE-Civil-scientist-Research

UE民科知识大全

  • ShaderCompileWorker如何调试?

    Debug ShaderCompileWorker

    image-20200622174025938

  • DXGI_FORMAT_R10G10B10A2_UNORM的精度为什么比DXGI_FORMAT_R11G11B10_FLOAT高?

DXGI_FORMAT_R10G10B10A2_UNorm是用整数表示小数,其表示方法为:

image-20200630112849599

DXGI_FORMAT_R11G11B10_FLOAT由于是浮点数,需要记录指数位以及尾数,因此精度是低于DXGI_FORMAT_R10G10B10A2_UNORM

DXGI_FORMAT_R11G11B10_FLOAT可以表示非0~1范围的值

DXGI_FORMAT_R10G10B10A2_UNorm只能表示0~1范围的值

d3d10 graphics programming guide resources data conversion

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