diff options
Diffstat (limited to 'src/glsl/nir/glsl_to_nir.cpp')
| -rw-r--r-- | src/glsl/nir/glsl_to_nir.cpp | 145 |
1 files changed, 129 insertions, 16 deletions
diff --git a/src/glsl/nir/glsl_to_nir.cpp b/src/glsl/nir/glsl_to_nir.cpp index 7c30be3fa72..0338af67567 100644 --- a/src/glsl/nir/glsl_to_nir.cpp +++ b/src/glsl/nir/glsl_to_nir.cpp @@ -65,6 +65,7 @@ public: virtual void visit(ir_dereference_variable *); virtual void visit(ir_dereference_record *); virtual void visit(ir_dereference_array *); + virtual void visit(ir_barrier *); void create_function(ir_function *ir); @@ -615,27 +616,135 @@ nir_visitor::visit(ir_call *ir) op = nir_intrinsic_atomic_counter_inc_var; } else if (strcmp(ir->callee_name(), "__intrinsic_atomic_predecrement") == 0) { op = nir_intrinsic_atomic_counter_dec_var; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_load") == 0) { + op = nir_intrinsic_image_load; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_store") == 0) { + op = nir_intrinsic_image_store; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_add") == 0) { + op = nir_intrinsic_image_atomic_add; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_min") == 0) { + op = nir_intrinsic_image_atomic_min; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_max") == 0) { + op = nir_intrinsic_image_atomic_max; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_and") == 0) { + op = nir_intrinsic_image_atomic_and; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_or") == 0) { + op = nir_intrinsic_image_atomic_or; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_xor") == 0) { + op = nir_intrinsic_image_atomic_xor; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_exchange") == 0) { + op = nir_intrinsic_image_atomic_exchange; + } else if (strcmp(ir->callee_name(), "__intrinsic_image_atomic_comp_swap") == 0) { + op = nir_intrinsic_image_atomic_comp_swap; + } else if (strcmp(ir->callee_name(), "__intrinsic_memory_barrier") == 0) { + op = nir_intrinsic_memory_barrier; } else { unreachable("not reached"); } nir_intrinsic_instr *instr = nir_intrinsic_instr_create(shader, op); - ir_dereference *param = - (ir_dereference *) ir->actual_parameters.get_head(); - instr->variables[0] = evaluate_deref(&instr->instr, param); - nir_ssa_dest_init(&instr->instr, &instr->dest, 1, NULL); + + switch (op) { + case nir_intrinsic_atomic_counter_read_var: + case nir_intrinsic_atomic_counter_inc_var: + case nir_intrinsic_atomic_counter_dec_var: { + ir_dereference *param = + (ir_dereference *) ir->actual_parameters.get_head(); + instr->variables[0] = evaluate_deref(&instr->instr, param); + nir_ssa_dest_init(&instr->instr, &instr->dest, 1, NULL); + break; + } + case nir_intrinsic_image_load: + case nir_intrinsic_image_store: + case nir_intrinsic_image_atomic_add: + case nir_intrinsic_image_atomic_min: + case nir_intrinsic_image_atomic_max: + case nir_intrinsic_image_atomic_and: + case nir_intrinsic_image_atomic_or: + case nir_intrinsic_image_atomic_xor: + case nir_intrinsic_image_atomic_exchange: + case nir_intrinsic_image_atomic_comp_swap: { + nir_ssa_undef_instr *instr_undef = + nir_ssa_undef_instr_create(shader, 1); + nir_instr_insert_after_cf_list(this->cf_node_list, + &instr_undef->instr); + + /* Set the image variable dereference. */ + exec_node *param = ir->actual_parameters.get_head(); + ir_dereference *image = (ir_dereference *)param; + const glsl_type *type = + image->variable_referenced()->type->without_array(); + + instr->variables[0] = evaluate_deref(&instr->instr, image); + param = param->get_next(); + + /* Set the address argument, extending the coordinate vector to four + * components. + */ + const nir_src src_addr = evaluate_rvalue((ir_dereference *)param); + nir_alu_instr *instr_addr = nir_alu_instr_create(shader, nir_op_vec4); + nir_ssa_dest_init(&instr_addr->instr, &instr_addr->dest.dest, 4, NULL); + + for (int i = 0; i < 4; i++) { + if (i < type->coordinate_components()) { + instr_addr->src[i].src = src_addr; + instr_addr->src[i].swizzle[0] = i; + } else { + instr_addr->src[i].src = nir_src_for_ssa(&instr_undef->def); + } + } + + nir_instr_insert_after_cf_list(cf_node_list, &instr_addr->instr); + instr->src[0] = nir_src_for_ssa(&instr_addr->dest.dest.ssa); + param = param->get_next(); + + /* Set the sample argument, which is undefined for single-sample + * images. + */ + if (type->sampler_dimensionality == GLSL_SAMPLER_DIM_MS) { + instr->src[1] = evaluate_rvalue((ir_dereference *)param); + param = param->get_next(); + } else { + instr->src[1] = nir_src_for_ssa(&instr_undef->def); + } + + /* Set the intrinsic parameters. */ + if (!param->is_tail_sentinel()) { + instr->src[2] = evaluate_rvalue((ir_dereference *)param); + param = param->get_next(); + } + + if (!param->is_tail_sentinel()) { + instr->src[3] = evaluate_rvalue((ir_dereference *)param); + param = param->get_next(); + } + + /* Set the intrinsic destination. */ + if (ir->return_deref) + nir_ssa_dest_init(&instr->instr, &instr->dest, + ir->return_deref->type->vector_elements, NULL); + break; + } + case nir_intrinsic_memory_barrier: + break; + default: + unreachable("not reached"); + } nir_instr_insert_after_cf_list(this->cf_node_list, &instr->instr); - nir_intrinsic_instr *store_instr = - nir_intrinsic_instr_create(shader, nir_intrinsic_store_var); - store_instr->num_components = 1; + if (ir->return_deref) { + nir_intrinsic_instr *store_instr = + nir_intrinsic_instr_create(shader, nir_intrinsic_store_var); + store_instr->num_components = ir->return_deref->type->vector_elements; - store_instr->variables[0] = evaluate_deref(&store_instr->instr, ir->return_deref); - store_instr->src[0].is_ssa = true; - store_instr->src[0].ssa = &instr->dest.ssa; + store_instr->variables[0] = + evaluate_deref(&store_instr->instr, ir->return_deref); + store_instr->src[0] = nir_src_for_ssa(&instr->dest.ssa); - nir_instr_insert_after_cf_list(this->cf_node_list, &store_instr->instr); + nir_instr_insert_after_cf_list(this->cf_node_list, + &store_instr->instr); + } return; } @@ -823,13 +932,9 @@ nir_visitor::evaluate_rvalue(ir_rvalue* ir) } nir_dest *dest = get_instr_dest(this->result); - assert(dest->is_ssa); - nir_src src = NIR_SRC_INIT; - src.is_ssa = true; - src.ssa = &dest->ssa; - return src; + return nir_src_for_ssa(&dest->ssa); } nir_alu_instr * @@ -1786,3 +1891,11 @@ nir_visitor::visit(ir_dereference_array *ir) ralloc_steal(this->deref_tail, deref); this->deref_tail = &deref->deref; } + +void +nir_visitor::visit(ir_barrier *ir) +{ + nir_intrinsic_instr *instr = + nir_intrinsic_instr_create(this->shader, nir_intrinsic_barrier); + nir_instr_insert_after_cf_list(this->cf_node_list, &instr->instr); +} |