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compiler/spirv: implement 16-bit exp and log

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v2
 - use nir_fmul_imm helper (Jason)

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Iago Toral Quiroga 2018-04-18 10:09:33 +02:00
parent f18554e2ce
commit 88663ba67c
1 changed files with 2 additions and 2 deletions
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4
src/compiler/spirv/vtn_glsl450.c
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@ -177,7 +177,7 @@ matrix_inverse(struct vtn_builder *b, struct vtn_ssa_value *src)
static nir_ssa_def *
build_exp(nir_builder *b, nir_ssa_def *x)
{
return nir_fexp2(b, nir_fmul(b, x, nir_imm_float(b, M_LOG2E)));
return nir_fexp2(b, nir_fmul_imm(b, x, M_LOG2E));
}
/**
@ -186,7 +186,7 @@ build_exp(nir_builder *b, nir_ssa_def *x)
static nir_ssa_def *
build_log(nir_builder *b, nir_ssa_def *x)
{
return nir_fmul(b, nir_flog2(b, x), nir_imm_float(b, 1.0 / M_LOG2E));
return nir_fmul_imm(b, nir_flog2(b, x), 1.0 / M_LOG2E);
}
/**