From: Ian Romanick Date: Wed, 18 Apr 2018 20:34:25 +0000 (-0700) Subject: nir: Add floating point atomic min, max, and compare-swap instrinsics X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0842655ac654cf3090d2543ec955c967c38d2d03;p=mesa.git nir: Add floating point atomic min, max, and compare-swap instrinsics Signed-off-by: Ian Romanick Reviewed-by: Caio Marcelo de Oliveira Filho --- diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp index aba8d70a8a0..a53000f47e9 100644 --- a/src/compiler/glsl/glsl_to_nir.cpp +++ b/src/compiler/glsl/glsl_to_nir.cpp @@ -709,6 +709,8 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_ssbo_atomic_imin; else if (ir->return_deref->type == glsl_type::uint_type) op = nir_intrinsic_ssbo_atomic_umin; + else if (ir->return_deref->type == glsl_type::float_type) + op = nir_intrinsic_ssbo_atomic_fmin; else unreachable("Invalid type"); break; @@ -718,6 +720,8 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_ssbo_atomic_imax; else if (ir->return_deref->type == glsl_type::uint_type) op = nir_intrinsic_ssbo_atomic_umax; + else if (ir->return_deref->type == glsl_type::float_type) + op = nir_intrinsic_ssbo_atomic_fmax; else unreachable("Invalid type"); break; @@ -725,7 +729,9 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_ssbo_atomic_exchange; break; case ir_intrinsic_ssbo_atomic_comp_swap: - op = nir_intrinsic_ssbo_atomic_comp_swap; + op = ir->return_deref->type->is_integer_32_64() + ? nir_intrinsic_ssbo_atomic_comp_swap + : nir_intrinsic_ssbo_atomic_fcomp_swap; break; case ir_intrinsic_shader_clock: op = nir_intrinsic_shader_clock; @@ -777,6 +783,8 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_shared_atomic_imin; else if (ir->return_deref->type == glsl_type::uint_type) op = nir_intrinsic_shared_atomic_umin; + else if (ir->return_deref->type == glsl_type::float_type) + op = nir_intrinsic_shared_atomic_fmin; else unreachable("Invalid type"); break; @@ -786,6 +794,8 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_shared_atomic_imax; else if (ir->return_deref->type == glsl_type::uint_type) op = nir_intrinsic_shared_atomic_umax; + else if (ir->return_deref->type == glsl_type::float_type) + op = nir_intrinsic_shared_atomic_fmax; else unreachable("Invalid type"); break; @@ -793,7 +803,9 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_shared_atomic_exchange; break; case ir_intrinsic_shared_atomic_comp_swap: - op = nir_intrinsic_shared_atomic_comp_swap; + op = ir->return_deref->type->is_integer_32_64() + ? nir_intrinsic_shared_atomic_comp_swap + : nir_intrinsic_shared_atomic_fcomp_swap; break; case ir_intrinsic_vote_any: op = nir_intrinsic_vote_any; @@ -1042,7 +1054,10 @@ nir_visitor::visit(ir_call *ir) case nir_intrinsic_ssbo_atomic_xor: case nir_intrinsic_ssbo_atomic_exchange: case nir_intrinsic_ssbo_atomic_comp_swap: - case nir_intrinsic_ssbo_atomic_fadd: { + case nir_intrinsic_ssbo_atomic_fadd: + case nir_intrinsic_ssbo_atomic_fmin: + case nir_intrinsic_ssbo_atomic_fmax: + case nir_intrinsic_ssbo_atomic_fcomp_swap: { int param_count = ir->actual_parameters.length(); assert(param_count == 3 || param_count == 4); @@ -1063,7 +1078,8 @@ nir_visitor::visit(ir_call *ir) /* data2 parameter (only with atomic_comp_swap) */ if (param_count == 4) { - assert(op == nir_intrinsic_ssbo_atomic_comp_swap); + assert(op == nir_intrinsic_ssbo_atomic_comp_swap || + op == nir_intrinsic_ssbo_atomic_fcomp_swap); param = param->get_next(); inst = (ir_instruction *) param; instr->src[3] = nir_src_for_ssa(evaluate_rvalue(inst->as_rvalue())); @@ -1126,7 +1142,10 @@ nir_visitor::visit(ir_call *ir) case nir_intrinsic_shared_atomic_xor: case nir_intrinsic_shared_atomic_exchange: case nir_intrinsic_shared_atomic_comp_swap: - case nir_intrinsic_shared_atomic_fadd: { + case nir_intrinsic_shared_atomic_fadd: + case nir_intrinsic_shared_atomic_fmin: + case nir_intrinsic_shared_atomic_fmax: + case nir_intrinsic_shared_atomic_fcomp_swap: { int param_count = ir->actual_parameters.length(); assert(param_count == 2 || param_count == 3); @@ -1142,7 +1161,8 @@ nir_visitor::visit(ir_call *ir) /* data2 parameter (only with atomic_comp_swap) */ if (param_count == 3) { - assert(op == nir_intrinsic_shared_atomic_comp_swap); + assert(op == nir_intrinsic_shared_atomic_comp_swap || + op == nir_intrinsic_shared_atomic_fcomp_swap); param = param->get_next(); inst = (ir_instruction *) param; instr->src[2] = diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py index 836cb34d74a..8c9bc3bbc9a 100644 --- a/src/compiler/nir/nir_intrinsics.py +++ b/src/compiler/nir/nir_intrinsics.py @@ -359,6 +359,9 @@ intrinsic("deref_atomic_xor", src_comp=[1, 1], dest_comp=1) intrinsic("deref_atomic_exchange", src_comp=[1, 1], dest_comp=1) intrinsic("deref_atomic_comp_swap", src_comp=[1, 1, 1], dest_comp=1) intrinsic("deref_atomic_fadd", src_comp=[1, 1], dest_comp=1) +intrinsic("deref_atomic_fmin", src_comp=[1, 1], dest_comp=1) +intrinsic("deref_atomic_fmax", src_comp=[1, 1], dest_comp=1) +intrinsic("deref_atomic_fcomp_swap", src_comp=[1, 1, 1], dest_comp=1) # SSBO atomic intrinsics # @@ -385,7 +388,10 @@ intrinsic("ssbo_atomic_or", src_comp=[1, 1, 1], dest_comp=1) intrinsic("ssbo_atomic_xor", src_comp=[1, 1, 1], dest_comp=1) intrinsic("ssbo_atomic_exchange", src_comp=[1, 1, 1], dest_comp=1) intrinsic("ssbo_atomic_comp_swap", src_comp=[1, 1, 1, 1], dest_comp=1) -intrinsic("ssbo_atomic_fadd", src_comp=[1, 1, 1], dest_comp=1) +intrinsic("ssbo_atomic_fadd", src_comp=[1, 1, 1], dest_comp=1) +intrinsic("ssbo_atomic_fmin", src_comp=[1, 1, 1], dest_comp=1) +intrinsic("ssbo_atomic_fmax", src_comp=[1, 1, 1], dest_comp=1) +intrinsic("ssbo_atomic_fcomp_swap", src_comp=[1, 1, 1, 1], dest_comp=1) # CS shared variable atomic intrinsics # @@ -412,6 +418,9 @@ intrinsic("shared_atomic_xor", src_comp=[1, 1], dest_comp=1, indices=[BASE]) intrinsic("shared_atomic_exchange", src_comp=[1, 1], dest_comp=1, indices=[BASE]) intrinsic("shared_atomic_comp_swap", src_comp=[1, 1, 1], dest_comp=1, indices=[BASE]) intrinsic("shared_atomic_fadd", src_comp=[1, 1], dest_comp=1, indices=[BASE]) +intrinsic("shared_atomic_fmin", src_comp=[1, 1], dest_comp=1, indices=[BASE]) +intrinsic("shared_atomic_fmax", src_comp=[1, 1], dest_comp=1, indices=[BASE]) +intrinsic("shared_atomic_fcomp_swap", src_comp=[1, 1, 1], dest_comp=1, indices=[BASE]) def system_value(name, dest_comp, indices=[]): intrinsic("load_" + name, [], dest_comp, indices, diff --git a/src/compiler/nir/nir_lower_atomics_to_ssbo.c b/src/compiler/nir/nir_lower_atomics_to_ssbo.c index 72686624329..c165a03b141 100644 --- a/src/compiler/nir/nir_lower_atomics_to_ssbo.c +++ b/src/compiler/nir/nir_lower_atomics_to_ssbo.c @@ -58,6 +58,9 @@ lower_instr(nir_intrinsic_instr *instr, unsigned ssbo_offset, nir_builder *b) case nir_intrinsic_ssbo_atomic_exchange: case nir_intrinsic_ssbo_atomic_comp_swap: case nir_intrinsic_ssbo_atomic_fadd: + case nir_intrinsic_ssbo_atomic_fmin: + case nir_intrinsic_ssbo_atomic_fmax: + case nir_intrinsic_ssbo_atomic_fcomp_swap: case nir_intrinsic_store_ssbo: case nir_intrinsic_load_ssbo: case nir_intrinsic_get_buffer_size: @@ -140,7 +143,8 @@ lower_instr(nir_intrinsic_instr *instr, unsigned ssbo_offset, nir_builder *b) new_instr->src[0] = nir_src_for_ssa(buffer); nir_src_copy(&new_instr->src[1], &instr->src[0], new_instr); nir_src_copy(&new_instr->src[2], &instr->src[1], new_instr); - if (op == nir_intrinsic_ssbo_atomic_comp_swap) + if (op == nir_intrinsic_ssbo_atomic_comp_swap || + op == nir_intrinsic_ssbo_atomic_fcomp_swap) nir_src_copy(&new_instr->src[3], &instr->src[2], new_instr); break; } diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c index 3d4451e3602..c418433aa52 100644 --- a/src/compiler/nir/nir_lower_io.c +++ b/src/compiler/nir/nir_lower_io.c @@ -281,6 +281,9 @@ lower_atomic(nir_intrinsic_instr *intrin, struct lower_io_state *state, OP(atomic_or) OP(atomic_xor) OP(atomic_fadd) + OP(atomic_fmin) + OP(atomic_fmax) + OP(atomic_fcomp_swap) #undef OP default: unreachable("Invalid atomic"); @@ -382,6 +385,9 @@ nir_lower_io_block(nir_block *block, case nir_intrinsic_deref_atomic_exchange: case nir_intrinsic_deref_atomic_comp_swap: case nir_intrinsic_deref_atomic_fadd: + case nir_intrinsic_deref_atomic_fmin: + case nir_intrinsic_deref_atomic_fmax: + case nir_intrinsic_deref_atomic_fcomp_swap: /* We can lower the io for this nir instrinsic */ break; case nir_intrinsic_interp_deref_at_centroid: @@ -444,6 +450,9 @@ nir_lower_io_block(nir_block *block, case nir_intrinsic_deref_atomic_exchange: case nir_intrinsic_deref_atomic_comp_swap: case nir_intrinsic_deref_atomic_fadd: + case nir_intrinsic_deref_atomic_fmin: + case nir_intrinsic_deref_atomic_fmax: + case nir_intrinsic_deref_atomic_fcomp_swap: assert(vertex_index == NULL); replacement = lower_atomic(intrin, state, var, offset); break;