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/*
* Copyright © 2018 Google
*
* 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 "aco_interface.h"
#include "aco_ir.h"
#include "vulkan/radv_shader.h"
#include "vulkan/radv_shader_args.h"
#include "c11/threads.h"
#include "util/debug.h"
#include <iostream>
#include <sstream>
namespace aco {
uint64_t debug_flags = 0;
static const struct debug_control aco_debug_options[] = {
{"validateir", DEBUG_VALIDATE},
{"validatera", DEBUG_VALIDATE_RA},
{"perfwarn", DEBUG_PERFWARN},
{NULL, 0}
};
static once_flag init_once_flag = ONCE_FLAG_INIT;
static void init()
{
debug_flags = parse_debug_string(getenv("ACO_DEBUG"), aco_debug_options);
#ifndef NDEBUG
/* enable some flags by default on debug builds */
debug_flags |= aco::DEBUG_VALIDATE;
#endif
}
}
void aco_compile_shader(unsigned shader_count,
struct nir_shader *const *shaders,
struct radv_shader_binary **binary,
struct radv_shader_args *args)
{
call_once(&aco::init_once_flag, aco::init);
ac_shader_config config = {0};
std::unique_ptr<aco::Program> program{new aco::Program};
/* Instruction Selection */
aco::select_program(program.get(), shader_count, shaders, &config, args);
if (args->options->dump_preoptir) {
std::cerr << "After Instruction Selection:\n";
aco_print_program(program.get(), stderr);
}
aco::validate(program.get(), stderr);
/* Boolean phi lowering */
aco::lower_bool_phis(program.get());
//std::cerr << "After Boolean Phi Lowering:\n";
//aco_print_program(program.get(), stderr);
aco::dominator_tree(program.get());
/* Optimization */
aco::value_numbering(program.get());
aco::optimize(program.get());
aco::validate(program.get(), stderr);
aco::setup_reduce_temp(program.get());
aco::insert_exec_mask(program.get());
aco::validate(program.get(), stderr);
aco::live live_vars = aco::live_var_analysis(program.get(), args->options);
aco::spill(program.get(), live_vars, args->options);
//std::cerr << "Before Schedule:\n";
//aco_print_program(program.get(), stderr);
aco::schedule_program(program.get(), live_vars);
std::string llvm_ir;
if (args->options->record_ir) {
char *data = NULL;
size_t size = 0;
FILE *f = open_memstream(&data, &size);
if (f) {
aco_print_program(program.get(), f);
fputc(0, f);
fclose(f);
}
llvm_ir = std::string(data, data + size);
free(data);
}
/* Register Allocation */
aco::register_allocation(program.get(), live_vars.live_out);
if (args->options->dump_shader) {
std::cerr << "After RA:\n";
aco_print_program(program.get(), stderr);
}
if (aco::validate_ra(program.get(), args->options, stderr)) {
std::cerr << "Program after RA validation failure:\n";
aco_print_program(program.get(), stderr);
abort();
}
aco::ssa_elimination(program.get());
/* Lower to HW Instructions */
aco::lower_to_hw_instr(program.get());
//std::cerr << "After Eliminate Pseudo Instr:\n";
//aco_print_program(program.get(), stderr);
/* Insert Waitcnt */
aco::insert_wait_states(program.get());
aco::insert_NOPs(program.get());
//std::cerr << "After Insert-Waitcnt:\n";
//aco_print_program(program.get(), stderr);
/* Assembly */
std::vector<uint32_t> code;
unsigned exec_size = aco::emit_program(program.get(), code);
bool get_disasm = args->options->dump_shader || args->options->record_ir;
size_t size = llvm_ir.size();
std::string disasm;
if (get_disasm) {
std::ostringstream stream;
aco::print_asm(program.get(), code, exec_size / 4u, stream);
stream << '\0';
disasm = stream.str();
size += disasm.size();
}
size += code.size() * sizeof(uint32_t) + sizeof(radv_shader_binary_legacy);
/* We need to calloc to prevent unintialized data because this will be used
* directly for the disk cache. Uninitialized data can appear because of
* padding in the struct or because legacy_binary->data can be at an offset
* from the start less than sizeof(radv_shader_binary_legacy). */
radv_shader_binary_legacy* legacy_binary = (radv_shader_binary_legacy*) calloc(size, 1);
legacy_binary->base.type = RADV_BINARY_TYPE_LEGACY;
legacy_binary->base.stage = shaders[shader_count-1]->info.stage;
legacy_binary->base.is_gs_copy_shader = false;
legacy_binary->base.total_size = size;
memcpy(legacy_binary->data, code.data(), code.size() * sizeof(uint32_t));
legacy_binary->exec_size = exec_size;
legacy_binary->code_size = code.size() * sizeof(uint32_t);
legacy_binary->config = config;
legacy_binary->disasm_size = 0;
legacy_binary->ir_size = llvm_ir.size();
llvm_ir.copy((char*) legacy_binary->data + legacy_binary->code_size, llvm_ir.size());
if (get_disasm) {
disasm.copy((char*) legacy_binary->data + legacy_binary->code_size + llvm_ir.size(), disasm.size());
legacy_binary->disasm_size = disasm.size();
}
*binary = (radv_shader_binary*) legacy_binary;
}
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