Halide
Lerp.h
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1 #ifndef HALIDE_LERP_H
2 #define HALIDE_LERP_H
3 
4 /** \file
5  * Defines methods for converting a lerp intrinsic into Halide IR.
6  */
7 
8 #include "Expr.h"
9 
10 namespace Halide {
11 
12 struct Target;
13 
14 namespace Internal {
15 
16 /** Build Halide IR that computes a lerp. Use by codegen targets that don't have
17  * a native lerp. The lerp is done in the type of the zero value. The final_type
18  * is a cast that should occur after the lerp. It's included because in some
19  * cases you can incorporate a final cast into the lerp math. */
20 Expr lower_lerp(Type final_type, Expr zero_val, Expr one_val, const Expr &weight, const Target &target);
21 
22 } // namespace Internal
23 } // namespace Halide
24 
25 #endif
Halide
This file defines the class FunctionDAG, which is our representation of a Halide pipeline,...
Definition: AbstractGenerator.h:19
Halide::LinkageType::Internal
@ Internal
Not visible externally, similar to 'static' linkage in C.
Halide::Internal::lower_lerp
Expr lower_lerp(Type final_type, Expr zero_val, Expr one_val, const Expr &weight, const Target &target)
Build Halide IR that computes a lerp.
Expr.h