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spirv: Implement SpvOpConvertUToAccelerationStructureKHR

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Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7734>
This commit is contained in:
Jason Ekstrand 2020-08-13 18:05:50 -05:00 • committed by Marge Bot
parent 879b87cf8c
commit 7f223a2329
1 changed files with 19 additions and 0 deletions
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19
src/compiler/spirv/vtn_variables.c
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@ -2616,6 +2616,25 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
break;
}
case SpvOpConvertUToAccelerationStructureKHR: {
struct vtn_type *as_type = vtn_get_type(b, w[1]);
struct vtn_type *u_type = vtn_get_value_type(b, w[3]);
vtn_fail_if(!((u_type->base_type == vtn_base_type_vector &&
u_type->type == glsl_vector_type(GLSL_TYPE_UINT, 2)) ||
(u_type->base_type == vtn_base_type_scalar &&
u_type->type == glsl_uint64_t_type())),
"OpConvertUToAccelerationStructure may only be used to "
"cast from a 64-bit scalar integer or a 2-component vector "
"of 32-bit integers");
vtn_fail_if(as_type->base_type != vtn_base_type_accel_struct,
"The result type of an OpConvertUToAccelerationStructure "
"must be OpTypeAccelerationStructure");
nir_ssa_def *u = vtn_get_nir_ssa(b, w[3]);
vtn_push_nir_ssa(b, w[2], nir_sloppy_bitcast(&b->nb, u, as_type->type));
break;
}
default:
vtn_fail_with_opcode("Unhandled opcode", opcode);
}