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  • sampler2d

    Here is the syntax for a sampler in Direct3D 9.

    sampler Name = SamplerType{   Texture = <texture_variable>;   [state_name = state_value;]   ... };
     
    hlsl里面
    sampler  XXXsampler= sampler2D{
     
     texture=.....;
    AddressU=
    AddressV=
    AddressW=
    BorderColor=
    Filter=
    MaxAnisotropy=
    MaxLOD=
    MinLOD=
    MipLODBias=
     
    }
     
    sampler MeshTextureSampler = 
    sampler_state
    {
        Texture = <g_MeshTexture>;
        MipFilter = LINEAR;
        MinFilter = LINEAR;
        MagFilter = LINEAR;
    };
     
    DX10
    SamplerState MeshTextureSampler
    {
        Filter = MIN_MAG_MIP_LINEAR;
        AddressU = Wrap;
        AddressV = Wrap;
    };
    
    SamplerComparisonState ShadowSampler
    {
       // sampler state
       Filter = COMPARISON_MIN_MAG_LINEAR_MIP_POINT;
       AddressU = MIRROR;
       AddressV = MIRROR;
    
       // sampler comparison state
       ComparisonFunc = LESS;
    };
    float3 vModProjUV;
      ...
    float fShadow = g_ShadowMap.SampleCmpLevelZero( ShadowSampler, vModProjUV.xy, vModProjUV.z);

    http://msdn.microsoft.com/en-us/library/windows/desktop/bb509644(v=vs.85).aspx
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  • 原文地址:https://www.cnblogs.com/minggoddess/p/3673713.html
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