predicateBlock (HLSL)

predicateBlock (HLSL)

Bb313985.note(en-us,XNAGameStudio.31).gifNote
This HLSL attribute is available only when developing for the Xbox 360.

Performs branching by using predicated exec blocks.

Syntax

[predicateBlock]

Parameters

None.

Scope

Applies to if statements.

Remarks

Use the predicateBlock attribute with the flatten attribute to specify exactly how to flatten a branch.

Examples

The following HLSL code snippet shows how to apply the predicateBlock attribute.

[predicateBlock]
if( a )
{
  a = sqrt( a );
}
    

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