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author | Grazvydas Ignotas <notasas@gmail.com> | 2017-03-26 19:30:23 +0300 |
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committer | Timothy Arceri <tarceri@itsqueeze.com> | 2017-03-27 15:05:10 +1100 |
commit | b97faea162fe9999d241de679f99ad935a8bce26 (patch) | |
tree | 9eb7ed304a4d3923072ef59d3f8c81f8ad275e7b /src/compiler/glsl/shader_cache.cpp | |
parent | f2d4d116113c8eddf7e8f372d466510c31d3dba4 (diff) |
glsl, st/shader_cache: check the whole sha1 for zero
The checks were only looking at the first byte, while the intention
seems to be to check if the whole sha1 is zero. This prevented all
shaders with first byte zero in their sha1 from being saved.
This shaves around a second from Deus Ex load time on a hot cache.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Diffstat (limited to 'src/compiler/glsl/shader_cache.cpp')
-rw-r--r-- | src/compiler/glsl/shader_cache.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/glsl/shader_cache.cpp b/src/compiler/glsl/shader_cache.cpp index 274bb8c91e7..ea1bc01f028 100644 --- a/src/compiler/glsl/shader_cache.cpp +++ b/src/compiler/glsl/shader_cache.cpp @@ -1221,7 +1221,8 @@ shader_cache_write_program_metadata(struct gl_context *ctx, * TODO: In future we should use another method to generate a key for ff * programs. */ - if (*prog->data->sha1 == 0) + static const char zero[sizeof(prog->data->sha1)] = {0}; + if (memcmp(prog->data->sha1, zero, sizeof(prog->data->sha1)) == 0) return; struct blob *metadata = blob_create(); |