The only change neccessary is to change the type of the constant used
to compare against.
This has been tested against the arb_gpu_shader_fp64/execution/
fs-isinf-dvec tests using the ARB_gl_spirv branch.
---
src/compiler/spirv/vtn_alu.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/compiler/spirv/vtn_alu.c b/src/compiler/spirv/vtn_alu.c
index d0c9e316935..2b03a2e4d09 100644
--- a/src/compiler/spirv/vtn_alu.c
+++ b/src/compiler/spirv/vtn_alu.c
@@ -529,10 +529,15 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
val->ssa->def = nir_fne(&b->nb, src[0], src[0]);
break;
- case SpvOpIsInf:
- val->ssa->def = nir_ieq(&b->nb, nir_fabs(&b->nb, src[0]),
- nir_imm_float(&b->nb, INFINITY));
+ case SpvOpIsInf: {
+ nir_ssa_def *inf;
+ if (src[0]->bit_size == 64)
+ inf = nir_imm_double(&b->nb, INFINITY);
+ else
+ inf = nir_imm_float(&b->nb, INFINITY);
+ val->ssa->def = nir_ieq(&b->nb, nir_fabs(&b->nb, src[0]), inf);
break;
+ }
case SpvOpFUnordEqual:
case SpvOpFUnordNotEqual:
--
2.14.3
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