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https://github.com/NixOS/nixpkgs.git
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336bc8283b
This reverts commit c778945806.
I believe this is exactly what brings the staging branch into
the right shape after the last merge from master (through staging-next);
otherwise part of staging changes would be lost
(due to being already reachable from master but reverted).
75 lines
2.5 KiB
Diff
75 lines
2.5 KiB
Diff
From 980164fd92f5c2302624cd046d30ff21e6e4ba8a 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 2d39d13b6ad..daf06480a60 100644
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--- a/meson_options.txt
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+++ b/meson_options.txt
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@@ -368,6 +368,12 @@ 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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option(
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'prefer-iris',
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type : 'boolean',
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diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
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index a92d621927a..3bd65c6890c 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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@@ -401,8 +401,10 @@ 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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@@ -423,6 +425,7 @@ 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 0893f64793b..d46ce85a85f 100644
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--- a/src/util/meson.build
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+++ b/src/util/meson.build
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@@ -179,7 +179,12 @@ _libmesa_util = static_library(
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include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux],
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dependencies : deps_for_libmesa_util,
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link_with: libmesa_format,
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- c_args : [c_msvc_compat_args],
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+ c_args : [
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+ c_msvc_compat_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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gnu_symbol_visibility : 'hidden',
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build_by_default : false
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)
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--
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2.28.0
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