diff options
Diffstat (limited to 'nixpkgs/pkgs/development/libraries/mesa/disk_cache-include-dri-driver-path-in-cache-key.patch')
| -rw-r--r-- | nixpkgs/pkgs/development/libraries/mesa/disk_cache-include-dri-driver-path-in-cache-key.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/mesa/disk_cache-include-dri-driver-path-in-cache-key.patch b/nixpkgs/pkgs/development/libraries/mesa/disk_cache-include-dri-driver-path-in-cache-key.patch new file mode 100644 index 000000000000..37813db89347 --- /dev/null +++ b/nixpkgs/pkgs/development/libraries/mesa/disk_cache-include-dri-driver-path-in-cache-key.patch @@ -0,0 +1,52 @@ +From 2a1e32b4105fe95413a615a44d40938920ea1a19 Mon Sep 17 00:00:00 2001 +From: David McFarland <corngood@gmail.com> +Date: Mon, 6 Aug 2018 15:52:11 -0300 +Subject: [PATCH] disk_cache: include dri driver path in cache key + +This fixes invalid cache hits on NixOS where all shared library +timestamps in /nix/store are zero. +--- + src/util/Makefile.am | 3 +++ + src/util/disk_cache.c | 3 +++ + 2 files changed, 6 insertions(+) + +diff --git a/src/util/Makefile.am b/src/util/Makefile.am +index bafb57439a..a22e2e41eb 100644 +--- a/src/util/Makefile.am ++++ b/src/util/Makefile.am +@@ -35,6 +35,9 @@ noinst_LTLIBRARIES = \ + libmesautil.la \ + libxmlconfig.la + ++AM_CFLAGS = \ ++ -DDISK_CACHE_KEY=\"$(drivers)\" ++ + AM_CPPFLAGS = \ + $(PTHREAD_CFLAGS) \ + -I$(top_srcdir)/include +diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c +index 368ec41792..071220b2ba 100644 +--- a/src/util/disk_cache.c ++++ b/src/util/disk_cache.c +@@ -388,8 +388,10 @@ disk_cache_create(const char *gpu_name, const char *driver_id, + + /* Create driver id keys */ + size_t id_size = strlen(driver_id) + 1; ++ size_t key_size = strlen(DISK_CACHE_KEY) + 1; + size_t gpu_name_size = strlen(gpu_name) + 1; + cache->driver_keys_blob_size += id_size; ++ cache->driver_keys_blob_size += key_size; + cache->driver_keys_blob_size += gpu_name_size; + + /* We sometimes store entire structs that contains a pointers in the cache, +@@ -410,6 +412,7 @@ disk_cache_create(const char *gpu_name, const char *driver_id, + uint8_t *drv_key_blob = cache->driver_keys_blob; + DRV_KEY_CPY(drv_key_blob, &cache_version, cv_size) + DRV_KEY_CPY(drv_key_blob, driver_id, id_size) ++ DRV_KEY_CPY(drv_key_blob, DISK_CACHE_KEY, key_size) + DRV_KEY_CPY(drv_key_blob, gpu_name, gpu_name_size) + DRV_KEY_CPY(drv_key_blob, &ptr_size, ptr_size_size) + DRV_KEY_CPY(drv_key_blob, &driver_flags, driver_flags_size) +-- +2.19.1 + |