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nir/builder: Add bany_inequal and bany helpers.

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The first simply picks the bany_inequal[234] opcodes based on the SSA
def's number of components.  The latter implicitly compares with zero
to achieve the same semantics of GLSL's any().

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
This commit is contained in:
Kenneth Graunke
2016-08-17 05:03:29 -07:00
parent 01e99cba04
commit d8971128ac
1 changed files with 19 additions and 0 deletions
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19
src/compiler/nir/nir_builder.h
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@@ -317,6 +317,25 @@ nir_fdot(nir_builder *build, nir_ssa_def *src0, nir_ssa_def *src1)
return NULL; return NULL;
} }
static inline nir_ssa_def *
nir_bany_inequal(nir_builder *b, nir_ssa_def *src0, nir_ssa_def *src1)
{
switch (src0->num_components) {
case 1: return nir_ine(b, src0, src1);
case 2: return nir_bany_inequal2(b, src0, src1);
case 3: return nir_bany_inequal3(b, src0, src1);
case 4: return nir_bany_inequal4(b, src0, src1);
default:
unreachable("bad component size");
}
}
static inline nir_ssa_def *
nir_bany(nir_builder *b, nir_ssa_def *src)
{
return nir_bany_inequal(b, src, nir_imm_int(b, 0));
}
static inline nir_ssa_def * static inline nir_ssa_def *
nir_channel(nir_builder *b, nir_ssa_def *def, unsigned c) nir_channel(nir_builder *b, nir_ssa_def *def, unsigned c)
{ {