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nir: Add nir_imm_vec4_16

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We already have nir_imm_float16 and nir_imm_vec4; let's add the ability
to easily make immediate fp16 vectors as well, now that fp16 support is
maturing in NIR/GLSL.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Alyssa Rosenzweig
2019-07-03 13:00:14 -07:00
parent a110a8090d
commit 4a4b48fb05
1 changed files with 14 additions and 0 deletions
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14
src/compiler/nir/nir_builder.h
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@@ -318,6 +318,20 @@ nir_imm_vec4(nir_builder *build, float x, float y, float z, float w)
return nir_build_imm(build, 4, 32, v);
}
static inline nir_ssa_def *
nir_imm_vec4_16(nir_builder *build, float x, float y, float z, float w)
{
nir_const_value v[4];
memset(v, 0, sizeof(v));
v[0].u16 = _mesa_float_to_half(x);
v[1].u16 = _mesa_float_to_half(y);
v[2].u16 = _mesa_float_to_half(z);
v[3].u16 = _mesa_float_to_half(w);
return nir_build_imm(build, 4, 16, v);
}
static inline nir_ssa_def *
nir_imm_ivec2(nir_builder *build, int x, int y)
{