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23 lines
729 B
C
23 lines
729 B
C
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//
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// - This is the fog header to include for pixel shaders if the shader doesn't support pixel-shader-blended vertex fog.
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//
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// -- PIXELFOGTYPE is 0 for RANGE FOG, 1 for WATER/HEIGHT FOG --
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// DYNAMIC: "PIXELFOGTYPE" "0..1" [ = ( pShaderAPI->GetSceneFogMode() == MATERIAL_FOG_LINEAR_BELOW_FOG_Z ) ]
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#if ( PIXELFOGTYPE == 1 )
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// No matter what shader model we are, we do pixel fog for water.
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#define DOPIXELFOG 1
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#define HARDWAREFOGBLEND 0
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#else
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#if defined( SHADER_MODEL_PS_2_0 )
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// Never do pixel for for ps20 (unless we are in water)
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#define DOPIXELFOG 0
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#define HARDWAREFOGBLEND 1
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#else
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// Never do vertex fog for >ps20
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#define DOPIXELFOG 1
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#define HARDWAREFOGBLEND 0
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#endif
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#endif
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