From: Antia Puentes <apuen...@igalia.com> Adds NIR ALU operations: * nir_op_ftrunc * nir_op_fceil * nir_op_ffloor * nir_op_ffrac * nir_op_fround_even
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580 --- src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 40 ++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index 12fdb48..57685bb 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -855,6 +855,46 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) break; } + case nir_op_ftrunc: + inst = emit(RNDZ(dst, op[0])); + inst->saturate = instr->dest.saturate; + break; + + case nir_op_fceil: { + /* Get the number of components of the source to create a + * temporary register with the appropriate glsl type. + */ + int num_components = instr->src[0].src.is_ssa ? + instr->src[0].src.ssa->num_components : + instr->src[0].src.reg.reg->num_components; + assert(num_components > 0); + + src_reg tmp = src_reg(this, glsl_type::float_type, num_components); + tmp.swizzle = brw_swizzle_for_size(num_components); + + op[0].negate = !op[0].negate; + emit(RNDD(dst_reg(tmp), op[0])); + tmp.negate = true; + inst = emit(MOV(dst, tmp)); + inst->saturate = instr->dest.saturate; + break; + } + + case nir_op_ffloor: + inst = emit(RNDD(dst, op[0])); + inst->saturate = instr->dest.saturate; + break; + + case nir_op_ffract: + inst = emit(FRC(dst, op[0])); + inst->saturate = instr->dest.saturate; + break; + + case nir_op_fround_even: + inst = emit(RNDE(dst, op[0])); + inst->saturate = instr->dest.saturate; + break; + default: unreachable("Unimplemented ALU operation"); } -- 2.1.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
