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/*
* 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 "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_text.h"
#include "tgsi/tgsi_dump.h"
#include "freedreno_util.h"
#include "ir3_compiler.h"
#include "instr-a3xx.h"
#include "ir3.h"
static void dump_info(struct ir3_shader_variant *so, const char *str)
{
uint32_t *bin;
const char *type = ir3_shader_stage(so->shader);
// TODO make gpu_id configurable on cmdline
bin = ir3_shader_assemble(so, 320);
debug_printf("; %s: %s\n", type, str);
ir3_shader_disasm(so, bin);
free(bin);
}
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 print_usage(void)
{
printf("Usage: ir3_compiler [OPTIONS]... FILE\n");
printf(" --verbose - verbose compiler/debug messages\n");
printf(" --binning-pass - generate binning pass shader (VERT)\n");
printf(" --color-two-side - emulate two-sided color (FRAG)\n");
printf(" --half-precision - use half-precision\n");
printf(" --saturate-s MASK - bitmask of samplers to saturate S coord\n");
printf(" --saturate-t MASK - bitmask of samplers to saturate T coord\n");
printf(" --saturate-r MASK - bitmask of samplers to saturate R coord\n");
printf(" --nocp - disable copy propagation\n");
printf(" --nir - use NIR compiler\n");
printf(" --help - show this message\n");
}
int main(int argc, char **argv)
{
int ret = 0, n = 1;
const char *filename;
struct tgsi_token toks[65536];
struct tgsi_parse_context parse;
struct ir3_compiler *compiler;
struct ir3_shader_variant v;
struct ir3_shader s;
struct ir3_shader_key key = {};
const char *info;
void *ptr;
size_t size;
fd_mesa_debug |= FD_DBG_DISASM;
/* cmdline args which impact shader variant get spit out in a
* comment on the first line.. a quick/dirty way to preserve
* that info so when ir3test recompiles the shader with a new
* compiler version, we use the same shader-key settings:
*/
debug_printf("; options:");
while (n < argc) {
if (!strcmp(argv[n], "--verbose")) {
fd_mesa_debug |= FD_DBG_MSGS | FD_DBG_OPTMSGS;
n++;
continue;
}
if (!strcmp(argv[n], "--binning-pass")) {
debug_printf(" %s", argv[n]);
key.binning_pass = true;
n++;
continue;
}
if (!strcmp(argv[n], "--color-two-side")) {
debug_printf(" %s", argv[n]);
key.color_two_side = true;
n++;
continue;
}
if (!strcmp(argv[n], "--half-precision")) {
debug_printf(" %s", argv[n]);
key.half_precision = true;
n++;
continue;
}
if (!strcmp(argv[n], "--saturate-s")) {
debug_printf(" %s %s", argv[n], argv[n+1]);
key.vsaturate_s = key.fsaturate_s = strtol(argv[n+1], NULL, 0);
n += 2;
continue;
}
if (!strcmp(argv[n], "--saturate-t")) {
debug_printf(" %s %s", argv[n], argv[n+1]);
key.vsaturate_t = key.fsaturate_t = strtol(argv[n+1], NULL, 0);
n += 2;
continue;
}
if (!strcmp(argv[n], "--saturate-r")) {
debug_printf(" %s %s", argv[n], argv[n+1]);
key.vsaturate_r = key.fsaturate_r = strtol(argv[n+1], NULL, 0);
n += 2;
continue;
}
if (!strcmp(argv[n], "--help")) {
print_usage();
return 0;
}
break;
}
debug_printf("\n");
filename = argv[n];
ret = read_file(filename, &ptr, &size);
if (ret) {
print_usage();
return ret;
}
if (fd_mesa_debug & FD_DBG_OPTMSGS)
debug_printf("%s\n", (char *)ptr);
if (!tgsi_text_translate(ptr, toks, Elements(toks)))
errx(1, "could not parse `%s'", filename);
memset(&s, 0, sizeof(s));
s.tokens = toks;
memset(&v, 0, sizeof(v));
v.key = key;
v.shader = &s;
tgsi_parse_init(&parse, toks);
switch (parse.FullHeader.Processor.Processor) {
case TGSI_PROCESSOR_FRAGMENT:
s.type = v.type = SHADER_FRAGMENT;
break;
case TGSI_PROCESSOR_VERTEX:
s.type = v.type = SHADER_VERTEX;
break;
case TGSI_PROCESSOR_COMPUTE:
s.type = v.type = SHADER_COMPUTE;
break;
}
/* TODO cmdline option to target different gpus: */
compiler = ir3_compiler_create(320);
info = "NIR compiler";
ret = ir3_compile_shader_nir(compiler, &v);
if (ret) {
fprintf(stderr, "compiler failed!\n");
return ret;
}
dump_info(&v, info);
}
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