diff options
| author | Mike Erwin <significant.bit@gmail.com> | 2017-06-05 05:02:30 +0300 |
|---|---|---|
| committer | Mike Erwin <significant.bit@gmail.com> | 2017-06-07 23:20:37 +0300 |
| commit | bb3e669d06ec5aead740affe75ac0375110b4d7a (patch) | |
| tree | 46baece98940b3607e6433ca992f72451839be73 /intern | |
| parent | a5242d08fbe4105dd18e1adbe65d4f17f83fa68f (diff) | |
Gawain: faster lookup shader attribs by name
Quick hash rejection instead of string comparison. Uniform lookups already work this way. I don't expect a major overall speedup since attributes are looked up less frequently than uniforms.
Diffstat (limited to 'intern')
| -rw-r--r-- | intern/gawain/src/shader_interface.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/intern/gawain/src/shader_interface.c b/intern/gawain/src/shader_interface.c index f0da342f088..4c9f7fae67f 100644 --- a/intern/gawain/src/shader_interface.c +++ b/intern/gawain/src/shader_interface.c @@ -288,6 +288,7 @@ const ShaderInput* ShaderInterface_attrib(const ShaderInterface* shaderface, con { // attribs are stored after uniforms const uint32_t input_ct = shaderface->uniform_ct + shaderface->attrib_ct; + const unsigned name_hash = hash_string(name); for (uint32_t i = shaderface->uniform_ct; i < input_ct; ++i) { const ShaderInput* attrib = shaderface->inputs + i; @@ -296,6 +297,8 @@ const ShaderInput* ShaderInterface_attrib(const ShaderInterface* shaderface, con if (attrib->name == NULL) continue; #endif + if (attrib->name_hash != name_hash) continue; + if (match(attrib->name, name)) return attrib; } |