Author: David McFarland Date: Mon Aug 6 15:52:11 2018 -0300 [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. diff --git a/meson_options.txt b/meson_options.txt index b8f753e2e1a..70d9071c8be 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -452,6 +452,12 @@ option( value : true, description : 'Enable direct rendering in GLX and EGL for DRI', ) +option( + 'disk-cache-key', + type : 'string', + value : '', + description : 'Mesa cache key.' +) option('egl-lib-suffix', type : 'string', value : '', diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c index 8dbe0938d11..498fe42de70 100644 --- a/src/util/disk_cache.c +++ b/src/util/disk_cache.c @@ -194,8 +194,10 @@ 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, @@ -216,6 +218,7 @@ 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) diff --git a/src/util/meson.build b/src/util/meson.build index cd44e49bfb4..f17115515a5 100644 --- a/src/util/meson.build +++ b/src/util/meson.build @@ -268,7 +268,12 @@ _libmesa_util = static_library( include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux], dependencies : deps_for_libmesa_util, link_with: [libmesa_format, libmesa_util_sse41], - c_args : [c_msvc_compat_args], + c_args : [ + c_msvc_compat_args, + '-DDISK_CACHE_KEY="@0@"'.format( + get_option('disk-cache-key') + ), + ], gnu_symbol_visibility : 'hidden', build_by_default : false )