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Diffstat (limited to 'src/compiler/nir/nir_print.c')
-rw-r--r-- | src/compiler/nir/nir_print.c | 1069 |
1 files changed, 1069 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c new file mode 100644 index 00000000000..48ecb48a620 --- /dev/null +++ b/src/compiler/nir/nir_print.c @@ -0,0 +1,1069 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Connor Abbott ([email protected]) + * + */ + +#include "nir.h" +#include "compiler/shader_enums.h" +#include <stdio.h> +#include <stdlib.h> + +static void +print_tabs(unsigned num_tabs, FILE *fp) +{ + for (unsigned i = 0; i < num_tabs; i++) + fprintf(fp, "\t"); +} + +typedef struct { + FILE *fp; + nir_shader *shader; + /** map from nir_variable -> printable name */ + struct hash_table *ht; + + /** set of names used so far for nir_variables */ + struct set *syms; + + /* an index used to make new non-conflicting names */ + unsigned index; +} print_state; + +static void +print_register(nir_register *reg, print_state *state) +{ + FILE *fp = state->fp; + if (reg->name != NULL) + fprintf(fp, "/* %s */ ", reg->name); + if (reg->is_global) + fprintf(fp, "gr%u", reg->index); + else + fprintf(fp, "r%u", reg->index); +} + +static const char *sizes[] = { "error", "vec1", "vec2", "vec3", "vec4" }; + +static void +print_register_decl(nir_register *reg, print_state *state) +{ + FILE *fp = state->fp; + fprintf(fp, "decl_reg %s ", sizes[reg->num_components]); + if (reg->is_packed) + fprintf(fp, "(packed) "); + print_register(reg, state); + if (reg->num_array_elems != 0) + fprintf(fp, "[%u]", reg->num_array_elems); + fprintf(fp, "\n"); +} + +static void +print_ssa_def(nir_ssa_def *def, print_state *state) +{ + FILE *fp = state->fp; + if (def->name != NULL) + fprintf(fp, "/* %s */ ", def->name); + fprintf(fp, "%s ssa_%u", sizes[def->num_components], def->index); +} + +static void +print_ssa_use(nir_ssa_def *def, print_state *state) +{ + FILE *fp = state->fp; + if (def->name != NULL) + fprintf(fp, "/* %s */ ", def->name); + fprintf(fp, "ssa_%u", def->index); +} + +static void print_src(nir_src *src, print_state *state); + +static void +print_reg_src(nir_reg_src *src, print_state *state) +{ + FILE *fp = state->fp; + print_register(src->reg, state); + if (src->reg->num_array_elems != 0) { + fprintf(fp, "[%u", src->base_offset); + if (src->indirect != NULL) { + fprintf(fp, " + "); + print_src(src->indirect, state); + } + fprintf(fp, "]"); + } +} + +static void +print_reg_dest(nir_reg_dest *dest, print_state *state) +{ + FILE *fp = state->fp; + print_register(dest->reg, state); + if (dest->reg->num_array_elems != 0) { + fprintf(fp, "[%u", dest->base_offset); + if (dest->indirect != NULL) { + fprintf(fp, " + "); + print_src(dest->indirect, state); + } + fprintf(fp, "]"); + } +} + +static void +print_src(nir_src *src, print_state *state) +{ + if (src->is_ssa) + print_ssa_use(src->ssa, state); + else + print_reg_src(&src->reg, state); +} + +static void +print_dest(nir_dest *dest, print_state *state) +{ + if (dest->is_ssa) + print_ssa_def(&dest->ssa, state); + else + print_reg_dest(&dest->reg, state); +} + +static void +print_alu_src(nir_alu_instr *instr, unsigned src, print_state *state) +{ + FILE *fp = state->fp; + + if (instr->src[src].negate) + fprintf(fp, "-"); + if (instr->src[src].abs) + fprintf(fp, "abs("); + + print_src(&instr->src[src].src, state); + + bool print_swizzle = false; + for (unsigned i = 0; i < 4; i++) { + if (!nir_alu_instr_channel_used(instr, src, i)) + continue; + + if (instr->src[src].swizzle[i] != i) { + print_swizzle = true; + break; + } + } + + if (print_swizzle) { + fprintf(fp, "."); + for (unsigned i = 0; i < 4; i++) { + if (!nir_alu_instr_channel_used(instr, src, i)) + continue; + + fprintf(fp, "%c", "xyzw"[instr->src[src].swizzle[i]]); + } + } + + if (instr->src[src].abs) + fprintf(fp, ")"); +} + +static void +print_alu_dest(nir_alu_dest *dest, print_state *state) +{ + FILE *fp = state->fp; + /* we're going to print the saturate modifier later, after the opcode */ + + print_dest(&dest->dest, state); + + if (!dest->dest.is_ssa && + dest->write_mask != (1 << dest->dest.reg.reg->num_components) - 1) { + fprintf(fp, "."); + for (unsigned i = 0; i < 4; i++) + if ((dest->write_mask >> i) & 1) + fprintf(fp, "%c", "xyzw"[i]); + } +} + +static void +print_alu_instr(nir_alu_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + + print_alu_dest(&instr->dest, state); + + fprintf(fp, " = %s", nir_op_infos[instr->op].name); + if (instr->dest.saturate) + fprintf(fp, ".sat"); + fprintf(fp, " "); + + for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) { + if (i != 0) + fprintf(fp, ", "); + + print_alu_src(instr, i, state); + } +} + +static void +print_constant(nir_constant *c, const struct glsl_type *type, print_state *state) +{ + FILE *fp = state->fp; + unsigned total_elems = glsl_get_components(type); + unsigned i; + + switch (glsl_get_base_type(type)) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_BOOL: + for (i = 0; i < total_elems; i++) { + if (i > 0) fprintf(fp, ", "); + fprintf(fp, "0x%08x", c->value.u[i]); + } + break; + + case GLSL_TYPE_FLOAT: + for (i = 0; i < total_elems; i++) { + if (i > 0) fprintf(fp, ", "); + fprintf(fp, "%f", c->value.f[i]); + } + break; + + case GLSL_TYPE_STRUCT: + for (i = 0; i < c->num_elements; i++) { + if (i > 0) fprintf(fp, ", "); + fprintf(fp, "{ "); + print_constant(c->elements[i], glsl_get_struct_field(type, i), state); + fprintf(fp, " }"); + } + break; + + case GLSL_TYPE_ARRAY: + for (i = 0; i < c->num_elements; i++) { + if (i > 0) fprintf(fp, ", "); + fprintf(fp, "{ "); + print_constant(c->elements[i], glsl_get_array_element(type), state); + fprintf(fp, " }"); + } + break; + + default: + unreachable("not reached"); + } +} + +static void +print_var_decl(nir_variable *var, print_state *state) +{ + FILE *fp = state->fp; + + fprintf(fp, "decl_var "); + + const char *const cent = (var->data.centroid) ? "centroid " : ""; + const char *const samp = (var->data.sample) ? "sample " : ""; + const char *const patch = (var->data.patch) ? "patch " : ""; + const char *const inv = (var->data.invariant) ? "invariant " : ""; + const char *const mode[] = { "shader_in ", "shader_out ", "", "", + "uniform ", "shader_storage", "system " }; + + fprintf(fp, "%s%s%s%s%s%s ", + cent, samp, patch, inv, mode[var->data.mode], + glsl_interp_qualifier_name(var->data.interpolation)); + + glsl_print_type(var->type, fp); + + struct set_entry *entry = NULL; + if (state->syms) + entry = _mesa_set_search(state->syms, var->name); + + char *name; + + if (entry != NULL) { + /* we have a collision with another name, append an @ + a unique index */ + name = ralloc_asprintf(state->syms, "%s@%u", var->name, state->index++); + } else { + name = var->name; + } + + fprintf(fp, " %s", name); + + if (var->data.mode == nir_var_shader_in || + var->data.mode == nir_var_shader_out || + var->data.mode == nir_var_uniform || + var->data.mode == nir_var_shader_storage) { + const char *loc = NULL; + char buf[4]; + + switch (state->shader->stage) { + case MESA_SHADER_VERTEX: + if (var->data.mode == nir_var_shader_in) + loc = gl_vert_attrib_name(var->data.location); + else if (var->data.mode == nir_var_shader_out) + loc = gl_varying_slot_name(var->data.location); + break; + case MESA_SHADER_GEOMETRY: + if ((var->data.mode == nir_var_shader_in) || + (var->data.mode == nir_var_shader_out)) + loc = gl_varying_slot_name(var->data.location); + break; + case MESA_SHADER_FRAGMENT: + if (var->data.mode == nir_var_shader_in) + loc = gl_varying_slot_name(var->data.location); + else if (var->data.mode == nir_var_shader_out) + loc = gl_frag_result_name(var->data.location); + break; + case MESA_SHADER_TESS_CTRL: + case MESA_SHADER_TESS_EVAL: + case MESA_SHADER_COMPUTE: + default: + /* TODO */ + break; + } + + if (!loc) { + snprintf(buf, sizeof(buf), "%u", var->data.location); + loc = buf; + } + + fprintf(fp, " (%s, %u)", loc, var->data.driver_location); + } + + if (var->constant_initializer) { + fprintf(fp, " = { "); + print_constant(var->constant_initializer, var->type, state); + fprintf(fp, " }"); + } + + fprintf(fp, "\n"); + + if (state->syms) { + _mesa_set_add(state->syms, name); + _mesa_hash_table_insert(state->ht, var, name); + } +} + +static void +print_var(nir_variable *var, print_state *state) +{ + FILE *fp = state->fp; + const char *name; + if (state->ht) { + struct hash_entry *entry = _mesa_hash_table_search(state->ht, var); + + assert(entry != NULL); + name = entry->data; + } else { + name = var->name; + } + + fprintf(fp, "%s", name); +} + +static void +print_deref_var(nir_deref_var *deref, print_state *state) +{ + print_var(deref->var, state); +} + +static void +print_deref_array(nir_deref_array *deref, print_state *state) +{ + FILE *fp = state->fp; + fprintf(fp, "["); + switch (deref->deref_array_type) { + case nir_deref_array_type_direct: + fprintf(fp, "%u", deref->base_offset); + break; + case nir_deref_array_type_indirect: + if (deref->base_offset != 0) + fprintf(fp, "%u + ", deref->base_offset); + print_src(&deref->indirect, state); + break; + case nir_deref_array_type_wildcard: + fprintf(fp, "*"); + break; + } + fprintf(fp, "]"); +} + +static void +print_deref_struct(nir_deref_struct *deref, const struct glsl_type *parent_type, + print_state *state) +{ + FILE *fp = state->fp; + fprintf(fp, ".%s", glsl_get_struct_elem_name(parent_type, deref->index)); +} + +static void +print_deref(nir_deref_var *deref, print_state *state) +{ + nir_deref *tail = &deref->deref; + nir_deref *pretail = NULL; + while (tail != NULL) { + switch (tail->deref_type) { + case nir_deref_type_var: + assert(pretail == NULL); + assert(tail == &deref->deref); + print_deref_var(deref, state); + break; + + case nir_deref_type_array: + assert(pretail != NULL); + print_deref_array(nir_deref_as_array(tail), state); + break; + + case nir_deref_type_struct: + assert(pretail != NULL); + print_deref_struct(nir_deref_as_struct(tail), + pretail->type, state); + break; + + default: + unreachable("Invalid deref type"); + } + + pretail = tail; + tail = pretail->child; + } +} + +static void +print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state) +{ + unsigned num_srcs = nir_intrinsic_infos[instr->intrinsic].num_srcs; + FILE *fp = state->fp; + + if (nir_intrinsic_infos[instr->intrinsic].has_dest) { + print_dest(&instr->dest, state); + fprintf(fp, " = "); + } + + fprintf(fp, "intrinsic %s (", nir_intrinsic_infos[instr->intrinsic].name); + + for (unsigned i = 0; i < num_srcs; i++) { + if (i != 0) + fprintf(fp, ", "); + + print_src(&instr->src[i], state); + } + + fprintf(fp, ") ("); + + unsigned num_vars = nir_intrinsic_infos[instr->intrinsic].num_variables; + + for (unsigned i = 0; i < num_vars; i++) { + if (i != 0) + fprintf(fp, ", "); + + print_deref(instr->variables[i], state); + } + + fprintf(fp, ") ("); + + unsigned num_indices = nir_intrinsic_infos[instr->intrinsic].num_indices; + + for (unsigned i = 0; i < num_indices; i++) { + if (i != 0) + fprintf(fp, ", "); + + fprintf(fp, "%d", instr->const_index[i]); + } + + fprintf(fp, ")"); + + if (!state->shader) + return; + + struct exec_list *var_list = NULL; + + switch (instr->intrinsic) { + case nir_intrinsic_load_uniform: + var_list = &state->shader->uniforms; + break; + case nir_intrinsic_load_input: + case nir_intrinsic_load_per_vertex_input: + var_list = &state->shader->inputs; + break; + case nir_intrinsic_load_output: + case nir_intrinsic_store_output: + case nir_intrinsic_store_per_vertex_output: + var_list = &state->shader->outputs; + break; + default: + return; + } + + nir_foreach_variable(var, var_list) { + if ((var->data.driver_location == instr->const_index[0]) && + var->name) { + fprintf(fp, "\t/* %s */", var->name); + break; + } + } +} + +static void +print_tex_instr(nir_tex_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + + print_dest(&instr->dest, state); + + fprintf(fp, " = "); + + switch (instr->op) { + case nir_texop_tex: + fprintf(fp, "tex "); + break; + case nir_texop_txb: + fprintf(fp, "txb "); + break; + case nir_texop_txl: + fprintf(fp, "txl "); + break; + case nir_texop_txd: + fprintf(fp, "txd "); + break; + case nir_texop_txf: + fprintf(fp, "txf "); + break; + case nir_texop_txf_ms: + fprintf(fp, "txf_ms "); + break; + case nir_texop_txs: + fprintf(fp, "txs "); + break; + case nir_texop_lod: + fprintf(fp, "lod "); + break; + case nir_texop_tg4: + fprintf(fp, "tg4 "); + break; + case nir_texop_query_levels: + fprintf(fp, "query_levels "); + break; + case nir_texop_texture_samples: + fprintf(fp, "texture_samples "); + break; + case nir_texop_samples_identical: + fprintf(fp, "samples_identical "); + break; + default: + unreachable("Invalid texture operation"); + break; + } + + for (unsigned i = 0; i < instr->num_srcs; i++) { + print_src(&instr->src[i].src, state); + + fprintf(fp, " "); + + switch(instr->src[i].src_type) { + case nir_tex_src_coord: + fprintf(fp, "(coord)"); + break; + case nir_tex_src_projector: + fprintf(fp, "(projector)"); + break; + case nir_tex_src_comparitor: + fprintf(fp, "(comparitor)"); + break; + case nir_tex_src_offset: + fprintf(fp, "(offset)"); + break; + case nir_tex_src_bias: + fprintf(fp, "(bias)"); + break; + case nir_tex_src_lod: + fprintf(fp, "(lod)"); + break; + case nir_tex_src_ms_index: + fprintf(fp, "(ms_index)"); + break; + case nir_tex_src_ddx: + fprintf(fp, "(ddx)"); + break; + case nir_tex_src_ddy: + fprintf(fp, "(ddy)"); + break; + case nir_tex_src_sampler_offset: + fprintf(fp, "(sampler_offset)"); + break; + + default: + unreachable("Invalid texture source type"); + break; + } + + fprintf(fp, ", "); + } + + bool has_nonzero_offset = false; + for (unsigned i = 0; i < 4; i++) { + if (instr->const_offset[i] != 0) { + has_nonzero_offset = true; + break; + } + } + + if (has_nonzero_offset) { + fprintf(fp, "[%i %i %i %i] (offset), ", + instr->const_offset[0], instr->const_offset[1], + instr->const_offset[2], instr->const_offset[3]); + } + + if (instr->op == nir_texop_tg4) { + fprintf(fp, "%u (gather_component), ", instr->component); + } + + if (instr->sampler) { + print_deref(instr->sampler, state); + } else { + fprintf(fp, "%u", instr->sampler_index); + } + + fprintf(fp, " (sampler)"); +} + +static void +print_call_instr(nir_call_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + + fprintf(fp, "call %s ", instr->callee->name); + + for (unsigned i = 0; i < instr->num_params; i++) { + if (i != 0) + fprintf(fp, ", "); + + print_deref(instr->params[i], state); + } + + if (instr->return_deref != NULL) { + if (instr->num_params != 0) + fprintf(fp, ", "); + fprintf(fp, "returning "); + print_deref(instr->return_deref, state); + } +} + +static void +print_load_const_instr(nir_load_const_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + + print_ssa_def(&instr->def, state); + + fprintf(fp, " = load_const ("); + + for (unsigned i = 0; i < instr->def.num_components; i++) { + if (i != 0) + fprintf(fp, ", "); + + /* + * we don't really know the type of the constant (if it will be used as a + * float or an int), so just print the raw constant in hex for fidelity + * and then print the float in a comment for readability. + */ + + fprintf(fp, "0x%08x /* %f */", instr->value.u[i], instr->value.f[i]); + } + + fprintf(fp, ")"); +} + +static void +print_jump_instr(nir_jump_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + + switch (instr->type) { + case nir_jump_break: + fprintf(fp, "break"); + break; + + case nir_jump_continue: + fprintf(fp, "continue"); + break; + + case nir_jump_return: + fprintf(fp, "return"); + break; + } +} + +static void +print_ssa_undef_instr(nir_ssa_undef_instr* instr, print_state *state) +{ + FILE *fp = state->fp; + print_ssa_def(&instr->def, state); + fprintf(fp, " = undefined"); +} + +static void +print_phi_instr(nir_phi_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + print_dest(&instr->dest, state); + fprintf(fp, " = phi "); + nir_foreach_phi_src(instr, src) { + if (&src->node != exec_list_get_head(&instr->srcs)) + fprintf(fp, ", "); + + fprintf(fp, "block_%u: ", src->pred->index); + print_src(&src->src, state); + } +} + +static void +print_parallel_copy_instr(nir_parallel_copy_instr *instr, print_state *state) +{ + FILE *fp = state->fp; + nir_foreach_parallel_copy_entry(instr, entry) { + if (&entry->node != exec_list_get_head(&instr->entries)) + fprintf(fp, "; "); + + print_dest(&entry->dest, state); + fprintf(fp, " = "); + print_src(&entry->src, state); + } +} + +static void +print_instr(const nir_instr *instr, print_state *state, unsigned tabs) +{ + FILE *fp = state->fp; + print_tabs(tabs, fp); + + switch (instr->type) { + case nir_instr_type_alu: + print_alu_instr(nir_instr_as_alu(instr), state); + break; + + case nir_instr_type_call: + print_call_instr(nir_instr_as_call(instr), state); + break; + + case nir_instr_type_intrinsic: + print_intrinsic_instr(nir_instr_as_intrinsic(instr), state); + break; + + case nir_instr_type_tex: + print_tex_instr(nir_instr_as_tex(instr), state); + break; + + case nir_instr_type_load_const: + print_load_const_instr(nir_instr_as_load_const(instr), state); + break; + + case nir_instr_type_jump: + print_jump_instr(nir_instr_as_jump(instr), state); + break; + + case nir_instr_type_ssa_undef: + print_ssa_undef_instr(nir_instr_as_ssa_undef(instr), state); + break; + + case nir_instr_type_phi: + print_phi_instr(nir_instr_as_phi(instr), state); + break; + + case nir_instr_type_parallel_copy: + print_parallel_copy_instr(nir_instr_as_parallel_copy(instr), state); + break; + + default: + unreachable("Invalid instruction type"); + break; + } +} + +static int +compare_block_index(const void *p1, const void *p2) +{ + const nir_block *block1 = *((const nir_block **) p1); + const nir_block *block2 = *((const nir_block **) p2); + + return (int) block1->index - (int) block2->index; +} + +static void print_cf_node(nir_cf_node *node, print_state *state, + unsigned tabs); + +static void +print_block(nir_block *block, print_state *state, unsigned tabs) +{ + FILE *fp = state->fp; + + print_tabs(tabs, fp); + fprintf(fp, "block block_%u:\n", block->index); + + /* sort the predecessors by index so we consistently print the same thing */ + + nir_block **preds = + malloc(block->predecessors->entries * sizeof(nir_block *)); + + struct set_entry *entry; + unsigned i = 0; + set_foreach(block->predecessors, entry) { + preds[i++] = (nir_block *) entry->key; + } + + qsort(preds, block->predecessors->entries, sizeof(nir_block *), + compare_block_index); + + print_tabs(tabs, fp); + fprintf(fp, "/* preds: "); + for (unsigned i = 0; i < block->predecessors->entries; i++) { + fprintf(fp, "block_%u ", preds[i]->index); + } + fprintf(fp, "*/\n"); + + free(preds); + + nir_foreach_instr(block, instr) { + print_instr(instr, state, tabs); + fprintf(fp, "\n"); + } + + print_tabs(tabs, fp); + fprintf(fp, "/* succs: "); + for (unsigned i = 0; i < 2; i++) + if (block->successors[i]) { + fprintf(fp, "block_%u ", block->successors[i]->index); + } + fprintf(fp, "*/\n"); +} + +static void +print_if(nir_if *if_stmt, print_state *state, unsigned tabs) +{ + FILE *fp = state->fp; + + print_tabs(tabs, fp); + fprintf(fp, "if "); + print_src(&if_stmt->condition, state); + fprintf(fp, " {\n"); + foreach_list_typed(nir_cf_node, node, node, &if_stmt->then_list) { + print_cf_node(node, state, tabs + 1); + } + print_tabs(tabs, fp); + fprintf(fp, "} else {\n"); + foreach_list_typed(nir_cf_node, node, node, &if_stmt->else_list) { + print_cf_node(node, state, tabs + 1); + } + print_tabs(tabs, fp); + fprintf(fp, "}\n"); +} + +static void +print_loop(nir_loop *loop, print_state *state, unsigned tabs) +{ + FILE *fp = state->fp; + + print_tabs(tabs, fp); + fprintf(fp, "loop {\n"); + foreach_list_typed(nir_cf_node, node, node, &loop->body) { + print_cf_node(node, state, tabs + 1); + } + print_tabs(tabs, fp); + fprintf(fp, "}\n"); +} + +static void +print_cf_node(nir_cf_node *node, print_state *state, unsigned int tabs) +{ + switch (node->type) { + case nir_cf_node_block: + print_block(nir_cf_node_as_block(node), state, tabs); + break; + + case nir_cf_node_if: + print_if(nir_cf_node_as_if(node), state, tabs); + break; + + case nir_cf_node_loop: + print_loop(nir_cf_node_as_loop(node), state, tabs); + break; + + default: + unreachable("Invalid CFG node type"); + } +} + +static void +print_function_impl(nir_function_impl *impl, print_state *state) +{ + FILE *fp = state->fp; + + fprintf(fp, "\nimpl %s ", impl->function->name); + + for (unsigned i = 0; i < impl->num_params; i++) { + if (i != 0) + fprintf(fp, ", "); + + print_var(impl->params[i], state); + } + + if (impl->return_var != NULL) { + if (impl->num_params != 0) + fprintf(fp, ", "); + fprintf(fp, "returning "); + print_var(impl->return_var, state); + } + + fprintf(fp, "{\n"); + + nir_foreach_variable(var, &impl->locals) { + fprintf(fp, "\t"); + print_var_decl(var, state); + } + + foreach_list_typed(nir_register, reg, node, &impl->registers) { + fprintf(fp, "\t"); + print_register_decl(reg, state); + } + + nir_index_blocks(impl); + + foreach_list_typed(nir_cf_node, node, node, &impl->body) { + print_cf_node(node, state, 1); + } + + fprintf(fp, "\tblock block_%u:\n}\n\n", impl->end_block->index); +} + +static void +print_function(nir_function *function, print_state *state) +{ + FILE *fp = state->fp; + + fprintf(fp, "decl_function %s ", function->name); + + for (unsigned i = 0; i < function->num_params; i++) { + if (i != 0) + fprintf(fp, ", "); + + switch (function->params[i].param_type) { + case nir_parameter_in: + fprintf(fp, "in "); + break; + case nir_parameter_out: + fprintf(fp, "out "); + break; + case nir_parameter_inout: + fprintf(fp, "inout "); + break; + default: + unreachable("Invalid parameter type"); + } + + glsl_print_type(function->params[i].type, fp); + } + + if (function->return_type != NULL) { + if (function->num_params != 0) + fprintf(fp, ", "); + fprintf(fp, "returning "); + glsl_print_type(function->return_type, fp); + } + + fprintf(fp, "\n"); + + if (function->impl != NULL) { + print_function_impl(function->impl, state); + return; + } +} + +static void +init_print_state(print_state *state, nir_shader *shader, FILE *fp) +{ + state->fp = fp; + state->shader = shader; + state->ht = _mesa_hash_table_create(NULL, _mesa_hash_pointer, + _mesa_key_pointer_equal); + state->syms = _mesa_set_create(NULL, _mesa_key_hash_string, + _mesa_key_string_equal); + state->index = 0; +} + +static void +destroy_print_state(print_state *state) +{ + _mesa_hash_table_destroy(state->ht, NULL); + _mesa_set_destroy(state->syms, NULL); +} + +void +nir_print_shader(nir_shader *shader, FILE *fp) +{ + print_state state; + init_print_state(&state, shader, fp); + + fprintf(fp, "shader: %s\n", gl_shader_stage_name(shader->stage)); + + if (shader->info.name) + fprintf(fp, "name: %s\n", shader->info.name); + + if (shader->info.label) + fprintf(fp, "label: %s\n", shader->info.label); + + fprintf(fp, "inputs: %u\n", shader->num_inputs); + fprintf(fp, "outputs: %u\n", shader->num_outputs); + fprintf(fp, "uniforms: %u\n", shader->num_uniforms); + + nir_foreach_variable(var, &shader->uniforms) { + print_var_decl(var, &state); + } + + nir_foreach_variable(var, &shader->inputs) { + print_var_decl(var, &state); + } + + nir_foreach_variable(var, &shader->outputs) { + print_var_decl(var, &state); + } + + nir_foreach_variable(var, &shader->globals) { + print_var_decl(var, &state); + } + + nir_foreach_variable(var, &shader->system_values) { + print_var_decl(var, &state); + } + + foreach_list_typed(nir_register, reg, node, &shader->registers) { + print_register_decl(reg, &state); + } + + foreach_list_typed(nir_function, func, node, &shader->functions) { + print_function(func, &state); + } + + destroy_print_state(&state); +} + +void +nir_print_instr(const nir_instr *instr, FILE *fp) +{ + print_state state = { + .fp = fp, + }; + print_instr(instr, &state, 0); + +} |