| /* |
| * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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: |
| * Rob Clark <robclark@freedesktop.org> |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/mman.h> |
| #include <fcntl.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <err.h> |
| #include <getopt.h> |
| |
| #include "nir/tgsi_to_nir.h" |
| #include "tgsi/tgsi_parse.h" |
| #include "tgsi/tgsi_text.h" |
| #include "tgsi/tgsi_dump.h" |
| |
| #include "ir3/ir3_compiler.h" |
| #include "ir3/ir3_gallium.h" |
| #include "ir3/ir3_nir.h" |
| #include "ir3/instr-a3xx.h" |
| #include "ir3/ir3.h" |
| |
| #include "main/mtypes.h" |
| |
| #include "compiler/glsl/standalone.h" |
| #include "compiler/glsl/glsl_to_nir.h" |
| #include "compiler/glsl/gl_nir.h" |
| #include "compiler/nir_types.h" |
| #include "compiler/spirv/nir_spirv.h" |
| |
| #include "pipe/p_context.h" |
| |
| static void |
| dump_info(struct ir3_shader_variant *so, const char *str) |
| { |
| uint32_t *bin; |
| const char *type = ir3_shader_stage(so); |
| bin = ir3_shader_assemble(so); |
| printf("; %s: %s\n", type, str); |
| ir3_shader_disasm(so, bin, stdout); |
| } |
| |
| static void |
| insert_sorted(struct exec_list *var_list, nir_variable *new_var) |
| { |
| nir_foreach_variable_in_list(var, var_list) { |
| if (var->data.location > new_var->data.location) { |
| exec_node_insert_node_before(&var->node, &new_var->node); |
| return; |
| } |
| } |
| exec_list_push_tail(var_list, &new_var->node); |
| } |
| |
| static void |
| sort_varyings(nir_shader *nir, nir_variable_mode mode) |
| { |
| struct exec_list new_list; |
| exec_list_make_empty(&new_list); |
| nir_foreach_variable_with_modes_safe(var, nir, mode) { |
| exec_node_remove(&var->node); |
| insert_sorted(&new_list, var); |
| } |
| exec_list_append(&nir->variables, &new_list); |
| } |
| |
| static void |
| fixup_varying_slots(nir_shader *nir, nir_variable_mode mode) |
| { |
| nir_foreach_variable_with_modes(var, nir, mode) { |
| if (var->data.location >= VARYING_SLOT_VAR0) { |
| var->data.location += 9; |
| } else if ((var->data.location >= VARYING_SLOT_TEX0) && |
| (var->data.location <= VARYING_SLOT_TEX7)) { |
| var->data.location += VARYING_SLOT_VAR0 - VARYING_SLOT_TEX0; |
| } |
| } |
| } |
| |
| static struct ir3_compiler *compiler; |
| |
| static nir_shader * |
| load_glsl(unsigned num_files, char* const* files, gl_shader_stage stage) |
| { |
| static const struct standalone_options options = { |
| .glsl_version = 310, |
| .do_link = true, |
| .lower_precision = true, |
| }; |
| struct gl_shader_program *prog; |
| const nir_shader_compiler_options *nir_options = |
| ir3_get_compiler_options(compiler); |
| static struct gl_context local_ctx; |
| |
| prog = standalone_compile_shader(&options, num_files, files, &local_ctx); |
| if (!prog) |
| errx(1, "couldn't parse `%s'", files[0]); |
| |
| nir_shader *nir = glsl_to_nir(&local_ctx, prog, stage, nir_options); |
| |
| /* required NIR passes: */ |
| if (nir_options->lower_all_io_to_temps || |
| nir->info.stage == MESA_SHADER_VERTEX || |
| nir->info.stage == MESA_SHADER_GEOMETRY) { |
| NIR_PASS_V(nir, nir_lower_io_to_temporaries, |
| nir_shader_get_entrypoint(nir), |
| true, true); |
| } else if (nir->info.stage == MESA_SHADER_FRAGMENT) { |
| NIR_PASS_V(nir, nir_lower_io_to_temporaries, |
| nir_shader_get_entrypoint(nir), |
| true, false); |
| } |
| |
| NIR_PASS_V(nir, nir_lower_global_vars_to_local); |
| NIR_PASS_V(nir, nir_split_var_copies); |
| NIR_PASS_V(nir, nir_lower_var_copies); |
| |
| NIR_PASS_V(nir, nir_split_var_copies); |
| NIR_PASS_V(nir, nir_lower_var_copies); |
| nir_print_shader(nir, stdout); |
| NIR_PASS_V(nir, gl_nir_lower_atomics, prog, true); |
| NIR_PASS_V(nir, gl_nir_lower_buffers, prog); |
| NIR_PASS_V(nir, nir_lower_atomics_to_ssbo); |
| nir_print_shader(nir, stdout); |
| |
| switch (stage) { |
| case MESA_SHADER_VERTEX: |
| nir_assign_var_locations(nir, nir_var_shader_in, |
| &nir->num_inputs, |
| ir3_glsl_type_size); |
| |
| /* Re-lower global vars, to deal with any dead VS inputs. */ |
| NIR_PASS_V(nir, nir_lower_global_vars_to_local); |
| |
| sort_varyings(nir, nir_var_shader_out); |
| nir_assign_var_locations(nir, nir_var_shader_out, |
| &nir->num_outputs, |
| ir3_glsl_type_size); |
| fixup_varying_slots(nir, nir_var_shader_out); |
| break; |
| case MESA_SHADER_FRAGMENT: |
| sort_varyings(nir, nir_var_shader_in); |
| nir_assign_var_locations(nir, nir_var_shader_in, |
| &nir->num_inputs, |
| ir3_glsl_type_size); |
| fixup_varying_slots(nir, nir_var_shader_in); |
| nir_assign_var_locations(nir, nir_var_shader_out, |
| &nir->num_outputs, |
| ir3_glsl_type_size); |
| break; |
| case MESA_SHADER_COMPUTE: |
| case MESA_SHADER_KERNEL: |
| break; |
| default: |
| errx(1, "unhandled shader stage: %d", stage); |
| } |
| |
| nir_assign_var_locations(nir, nir_var_uniform, |
| &nir->num_uniforms, |
| ir3_glsl_type_size); |
| |
| NIR_PASS_V(nir, nir_lower_system_values); |
| NIR_PASS_V(nir, nir_lower_compute_system_values, NULL); |
| |
| NIR_PASS_V(nir, nir_lower_frexp); |
| NIR_PASS_V(nir, nir_lower_io, |
| nir_var_shader_in | nir_var_shader_out | nir_var_uniform, |
| ir3_glsl_type_size, (nir_lower_io_options)0); |
| NIR_PASS_V(nir, gl_nir_lower_samplers, prog); |
| |
| return nir; |
| } |
| |
| static int |
| read_file(const char *filename, void **ptr, size_t *size) |
| { |
| int fd, ret; |
| struct stat st; |
| |
| *ptr = MAP_FAILED; |
| |
| fd = open(filename, O_RDONLY); |
| if (fd == -1) { |
| warnx("couldn't open `%s'", filename); |
| return 1; |
| } |
| |
| ret = fstat(fd, &st); |
| if (ret) |
| errx(1, "couldn't stat `%s'", filename); |
| |
| *size = st.st_size; |
| *ptr = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); |
| if (*ptr == MAP_FAILED) |
| errx(1, "couldn't map `%s'", filename); |
| |
| close(fd); |
| |
| return 0; |
| } |
| |
| static void debug_func(void *priv, enum nir_spirv_debug_level level, |
| size_t spirv_offset, const char *message) |
| { |
| // printf("%s\n", message); |
| } |
| |
| static nir_shader * |
| load_spirv(const char *filename, const char *entry, gl_shader_stage stage) |
| { |
| const struct spirv_to_nir_options spirv_options = { |
| /* these caps are just make-believe */ |
| .caps = { |
| .draw_parameters = true, |
| .float64 = true, |
| .image_read_without_format = true, |
| .image_write_without_format = true, |
| .int64 = true, |
| .variable_pointers = true, |
| }, |
| .lower_ubo_ssbo_access_to_offsets = true, |
| .debug = { |
| .func = debug_func, |
| } |
| }; |
| nir_shader *nir; |
| void *buf; |
| size_t size; |
| |
| read_file(filename, &buf, &size); |
| |
| nir = spirv_to_nir(buf, size / 4, |
| NULL, 0, /* spec_entries */ |
| stage, entry, |
| &spirv_options, |
| ir3_get_compiler_options(compiler)); |
| |
| nir_print_shader(nir, stdout); |
| |
| return nir; |
| } |
| |
| static const char *shortopts = "g:hv"; |
| |
| static const struct option longopts[] = { |
| { "gpu", required_argument, 0, 'g' }, |
| { "help", no_argument, 0, 'h' }, |
| { "verbose", no_argument, 0, 'v' }, |
| }; |
| |
| static void |
| print_usage(void) |
| { |
| printf("Usage: ir3_compiler [OPTIONS]... <file.tgsi | file.spv entry_point | (file.vert | file.frag)*>\n"); |
| printf(" -g, --gpu GPU_ID - specify gpu-id (default 320)\n"); |
| printf(" -h, --help - show this message\n"); |
| printf(" -v, --verbose - verbose compiler/debug messages\n"); |
| } |
| |
| int |
| main(int argc, char **argv) |
| { |
| int ret = 0, opt; |
| char *filenames[2]; |
| int num_files = 0; |
| unsigned stage = 0; |
| struct ir3_shader_key key = {}; |
| unsigned gpu_id = 320; |
| const char *info; |
| const char *spirv_entry = NULL; |
| void *ptr; |
| bool from_tgsi = false; |
| size_t size; |
| |
| while ((opt = getopt_long_only(argc, argv, shortopts, longopts, NULL)) != -1) { |
| switch (opt) { |
| case 'g': |
| gpu_id = strtol(optarg, NULL, 0); |
| break; |
| case 'v': |
| ir3_shader_debug |= IR3_DBG_OPTMSGS | IR3_DBG_DISASM; |
| break; |
| default: |
| printf("unrecognized arg: %c\n", opt); |
| /* fallthrough */ |
| case 'h': |
| print_usage(); |
| return 0; |
| } |
| } |
| |
| if (optind >= argc) { |
| fprintf(stderr, "no file specified!\n"); |
| print_usage(); |
| return 0; |
| } |
| |
| unsigned n = optind; |
| while (n < argc) { |
| char *filename = argv[n]; |
| char *ext = strrchr(filename, '.'); |
| |
| if (strcmp(ext, ".tgsi") == 0) { |
| if (num_files != 0) |
| errx(1, "in TGSI mode, only a single file may be specified"); |
| from_tgsi = true; |
| } else if (strcmp(ext, ".spv") == 0) { |
| if (num_files != 0) |
| errx(1, "in SPIR-V mode, only a single file may be specified"); |
| stage = MESA_SHADER_COMPUTE; |
| filenames[num_files++] = filename; |
| n++; |
| if (n == argc) |
| errx(1, "in SPIR-V mode, an entry point must be specified"); |
| spirv_entry = argv[n]; |
| n++; |
| } else if (strcmp(ext, ".comp") == 0) { |
| if (from_tgsi || spirv_entry) |
| errx(1, "cannot mix GLSL/TGSI/SPIRV"); |
| if (num_files >= ARRAY_SIZE(filenames)) |
| errx(1, "too many GLSL files"); |
| stage = MESA_SHADER_COMPUTE; |
| } else if (strcmp(ext, ".frag") == 0) { |
| if (from_tgsi || spirv_entry) |
| errx(1, "cannot mix GLSL/TGSI/SPIRV"); |
| if (num_files >= ARRAY_SIZE(filenames)) |
| errx(1, "too many GLSL files"); |
| stage = MESA_SHADER_FRAGMENT; |
| } else if (strcmp(ext, ".vert") == 0) { |
| if (from_tgsi) |
| errx(1, "cannot mix GLSL and TGSI"); |
| if (num_files >= ARRAY_SIZE(filenames)) |
| errx(1, "too many GLSL files"); |
| stage = MESA_SHADER_VERTEX; |
| } else { |
| print_usage(); |
| return -1; |
| } |
| |
| filenames[num_files++] = filename; |
| |
| n++; |
| } |
| |
| nir_shader *nir; |
| |
| compiler = ir3_compiler_create(NULL, gpu_id); |
| |
| if (from_tgsi) { |
| struct tgsi_token toks[65536]; |
| const nir_shader_compiler_options *nir_options = |
| ir3_get_compiler_options(compiler); |
| |
| ret = read_file(filenames[0], &ptr, &size); |
| if (ret) { |
| print_usage(); |
| return ret; |
| } |
| |
| if (ir3_shader_debug & IR3_DBG_OPTMSGS) |
| printf("%s\n", (char *)ptr); |
| |
| if (!tgsi_text_translate(ptr, toks, ARRAY_SIZE(toks))) |
| errx(1, "could not parse `%s'", filenames[0]); |
| |
| if (ir3_shader_debug & IR3_DBG_OPTMSGS) |
| tgsi_dump(toks, 0); |
| |
| nir = tgsi_to_nir_noscreen(toks, nir_options); |
| NIR_PASS_V(nir, nir_lower_global_vars_to_local); |
| } else if (spirv_entry) { |
| nir = load_spirv(filenames[0], spirv_entry, stage); |
| |
| NIR_PASS_V(nir, nir_lower_io, |
| nir_var_shader_in | nir_var_shader_out, |
| ir3_glsl_type_size, (nir_lower_io_options)0); |
| |
| /* TODO do this somewhere else */ |
| nir_lower_int64(nir); |
| nir_lower_system_values(nir); |
| nir_lower_compute_system_values(nir, NULL); |
| } else if (num_files > 0) { |
| nir = load_glsl(num_files, filenames, stage); |
| } else { |
| print_usage(); |
| return -1; |
| } |
| |
| ir3_finalize_nir(compiler, nir); |
| ir3_nir_post_finalize(compiler, nir); |
| |
| struct ir3_shader *shader = rzalloc_size(NULL, sizeof(*shader)); |
| shader->compiler = compiler; |
| shader->type = stage; |
| shader->nir = nir; |
| |
| struct ir3_shader_variant *v = rzalloc_size(shader, sizeof(*v)); |
| v->type = shader->type; |
| v->shader = shader; |
| v->key = key; |
| v->const_state = rzalloc_size(v, sizeof(*v->const_state)); |
| |
| shader->variants = v; |
| shader->variant_count = 1; |
| |
| ir3_nir_lower_variant(v, nir); |
| |
| info = "NIR compiler"; |
| ret = ir3_compile_shader_nir(compiler, v); |
| if (ret) { |
| fprintf(stderr, "compiler failed!\n"); |
| return ret; |
| } |
| dump_info(v, info); |
| |
| return 0; |
| } |