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/*
* Copyright (c) 2017 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.
*/
#include <stdint.h>
#include "util/build_id.h"
#include "util/mesa-sha1.h"
#include "brw_context.h"
#include "brw_program.h"
static uint8_t driver_sha1[20];
void
brw_program_binary_init(unsigned device_id)
{
const struct build_id_note *note =
build_id_find_nhdr_for_addr(brw_program_binary_init);
assert(note);
/**
* With Mesa's megadrivers, taking the sha1 of i965_dri.so may not be
* unique. Therefore, we make a sha1 of the "i965" string and the sha1
* build id from i965_dri.so.
*/
struct mesa_sha1 ctx;
_mesa_sha1_init(&ctx);
char renderer[10];
assert(device_id < 0x10000);
int len = snprintf(renderer, sizeof(renderer), "i965_%04x", device_id);
assert(len == sizeof(renderer) - 1);
_mesa_sha1_update(&ctx, renderer, len);
_mesa_sha1_update(&ctx, build_id_data(note), build_id_length(note));
_mesa_sha1_final(&ctx, driver_sha1);
}
void
brw_get_program_binary_driver_sha1(struct gl_context *ctx, uint8_t *sha1)
{
memcpy(sha1, driver_sha1, sizeof(uint8_t) * 20);
}
/* This is just a wrapper around brw_program_deserialize_nir() as i965
* doesn't need gl_shader_program like other drivers do.
*/
void
brw_deserialize_program_binary(struct gl_context *ctx,
struct gl_shader_program *shProg,
struct gl_program *prog)
{
brw_program_deserialize_nir(ctx, prog, prog->info.stage);
}
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