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73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
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/*
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* Copyright © 2018 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* @file iris_disk_cache.c
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*
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* Functions for interacting with the on-disk shader cache.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <assert.h>
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#include <string.h>
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#include "compiler/blob.h"
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#include "compiler/nir/nir.h"
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#include "util/build_id.h"
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#include "util/disk_cache.h"
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#include "util/mesa-sha1.h"
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#include "iris_context.h"
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/**
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* Initialize the on-disk shader cache.
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*/
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void
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iris_disk_cache_init(struct iris_screen *screen)
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{
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#ifdef ENABLE_SHADER_CACHE
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if (INTEL_DEBUG & DEBUG_DISK_CACHE_DISABLE_MASK)
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return;
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/* array length = print length + nul char + 1 extra to verify it's unused */
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char renderer[11];
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UNUSED int len =
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snprintf(renderer, sizeof(renderer), "iris_%04x", screen->pci_id);
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assert(len == sizeof(renderer) - 2);
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const struct build_id_note *note =
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build_id_find_nhdr_for_addr(iris_disk_cache_init);
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assert(note && build_id_length(note) == 20); /* sha1 */
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const uint8_t *id_sha1 = build_id_data(note);
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assert(id_sha1);
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char timestamp[41];
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_mesa_sha1_format(timestamp, id_sha1);
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const uint64_t driver_flags =
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brw_get_compiler_config_value(screen->compiler);
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screen->disk_cache = disk_cache_create(renderer, timestamp, driver_flags);
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#endif
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}
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