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/*
* Copyright (C) 2019 Ryan Houdek <Sonicadvance1@gmail.com>
*
* 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.
*/
#include "disassemble.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 "util/u_dynarray.h"
#include "bifrost_compile.h"
static void
compile_shader(char **argv)
{
struct gl_shader_program *prog;
nir_shader *nir[2];
unsigned shader_types[2] = {
MESA_SHADER_VERTEX,
MESA_SHADER_FRAGMENT,
};
struct standalone_options options = {
.glsl_version = 430,
.do_link = true,
};
static struct gl_context local_ctx;
prog = standalone_compile_shader(&options, 2, argv, &local_ctx);
prog->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program->info.stage = MESA_SHADER_FRAGMENT;
struct bifrost_program compiled;
for (unsigned i = 0; i < 2; ++i) {
nir[i] = glsl_to_nir(&local_ctx, prog, shader_types[i], &bifrost_nir_options);
NIR_PASS_V(nir[i], nir_lower_global_vars_to_local);
NIR_PASS_V(nir[i], nir_split_var_copies);
NIR_PASS_V(nir[i], nir_lower_var_copies);
NIR_PASS_V(nir[i], nir_lower_alu_to_scalar, NULL);
/* before buffers and vars_to_ssa */
NIR_PASS_V(nir[i], gl_nir_lower_bindless_images);
NIR_PASS_V(nir[i], gl_nir_lower_buffers, prog);
NIR_PASS_V(nir[i], nir_opt_constant_folding);
bifrost_compile_shader_nir(nir[i], &compiled);
}
}
static void
disassemble(const char *filename)
{
FILE *fp = fopen(filename, "rb");
assert(fp);
fseek(fp, 0, SEEK_END);
unsigned filesize = ftell(fp);
rewind(fp);
unsigned char *code = malloc(filesize);
unsigned res = fread(code, 1, filesize, fp);
if (res != filesize) {
printf("Couldn't read full file\n");
}
fclose(fp);
disassemble_bifrost(code, filesize, false);
free(code);
}
int
main(int argc, char **argv)
{
if (argc < 2) {
printf("Pass a command\n");
exit(1);
}
if (strcmp(argv[1], "compile") == 0)
compile_shader(&argv[2]);
else if (strcmp(argv[1], "disasm") == 0)
disassemble(argv[2]);
else
unreachable("Unknown command. Valid: compile/disasm");
return 0;
}
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