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72 lines
2.5 KiB
Diff
72 lines
2.5 KiB
Diff
From 2a1e32b4105fe95413a615a44d40938920ea1a19 Mon Sep 17 00:00:00 2001
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From: David McFarland <corngood@gmail.com>
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Date: Mon, 6 Aug 2018 15:52:11 -0300
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Subject: [PATCH] disk_cache: include dri driver path in cache key
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This fixes invalid cache hits on NixOS where all shared library
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timestamps in /nix/store are zero.
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---
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meson_options.txt | 6 ++++++
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src/util/disk_cache.c | 3 +++
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src/util/meson.build | 7 ++++++-
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3 files changed, 15 insertions(+), 1 deletion(-)
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diff --git a/meson_options.txt b/meson_options.txt
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index a723b5406cf..65a8954291f 100644
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--- a/meson_options.txt
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+++ b/meson_options.txt
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@@ -330,3 +330,9 @@ option(
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value : true,
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description : 'Enable direct rendering in GLX and EGL for DRI',
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)
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+option(
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+ 'disk-cache-key',
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+ type : 'string',
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+ value : '',
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+ description : 'Mesa cache key.'
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+)
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diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
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index 0aa2646a9bb..bd784d38e21 100644
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--- a/src/util/disk_cache.c
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+++ b/src/util/disk_cache.c
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@@ -389,8 +389,10 @@ disk_cache_create(const char *gpu_name, const char *driver_id,
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/* Create driver id keys */
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size_t id_size = strlen(driver_id) + 1;
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+ size_t key_size = strlen(DISK_CACHE_KEY) + 1;
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size_t gpu_name_size = strlen(gpu_name) + 1;
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cache->driver_keys_blob_size += id_size;
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+ cache->driver_keys_blob_size += key_size;
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cache->driver_keys_blob_size += gpu_name_size;
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/* We sometimes store entire structs that contains a pointers in the cache,
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@@ -411,6 +413,7 @@ disk_cache_create(const char *gpu_name, const char *driver_id,
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uint8_t *drv_key_blob = cache->driver_keys_blob;
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DRV_KEY_CPY(drv_key_blob, &cache_version, cv_size)
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DRV_KEY_CPY(drv_key_blob, driver_id, id_size)
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+ DRV_KEY_CPY(drv_key_blob, DISK_CACHE_KEY, key_size)
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DRV_KEY_CPY(drv_key_blob, gpu_name, gpu_name_size)
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DRV_KEY_CPY(drv_key_blob, &ptr_size, ptr_size_size)
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DRV_KEY_CPY(drv_key_blob, &driver_flags, driver_flags_size)
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diff --git a/src/util/meson.build b/src/util/meson.build
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index 397c2228129..77013563e5d 100644
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--- a/src/util/meson.build
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+++ b/src/util/meson.build
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@@ -120,7 +120,12 @@ libmesa_util = static_library(
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[files_mesa_util, format_srgb],
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include_directories : inc_common,
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dependencies : [dep_zlib, dep_clock, dep_thread, dep_atomic, dep_m],
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- c_args : [c_msvc_compat_args, c_vis_args],
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+ c_args : [
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+ c_msvc_compat_args, c_vis_args,
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+ '-DDISK_CACHE_KEY="@0@"'.format(
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+ get_option('disk-cache-key')
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+ ),
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+ ],
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build_by_default : false
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)
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--
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2.19.2
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