diff options
author | Brian Paul <[email protected]> | 2017-08-18 15:48:13 -0600 |
---|---|---|
committer | Brian Paul <[email protected]> | 2017-08-21 19:04:51 -0600 |
commit | 19e9bd4c117f9f38f4fdec0467a57f0e29e5c0f3 (patch) | |
tree | f032bdb79bc1eba94540a7ec9efa32a2cf15a9c0 /src/mesa/main/varray.h | |
parent | 0ef5aa4128940f6d60f3442b1cfcbdb8f3614c8e (diff) |
mesa: optimize _mesa_attr_zero_aliases_vertex()
After the context is initialized, the API and context flags won't
change. So, we can compute whether vertex attribute 0 aliases
vertex position just once.
This should make the glVertexAttrib*() functions a little quicker.
Reviewed-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/mesa/main/varray.h')
-rw-r--r-- | src/mesa/main/varray.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h index 730f7cf3588..927a1ada38a 100644 --- a/src/mesa/main/varray.h +++ b/src/mesa/main/varray.h @@ -73,19 +73,9 @@ _mesa_update_client_array(struct gl_context *ctx, } static inline bool -_mesa_attr_zero_aliases_vertex(struct gl_context *ctx) +_mesa_attr_zero_aliases_vertex(const struct gl_context *ctx) { - const bool is_forward_compatible_context = - ctx->Const.ContextFlags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT; - - /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES - * 2.0. Note that we cannot just check for API_OPENGL_COMPAT here because - * that will erroneously allow this usage in a 3.0 forward-compatible - * context too. - */ - return (ctx->API == API_OPENGLES - || (ctx->API == API_OPENGL_COMPAT - && !is_forward_compatible_context)); + return ctx->_AttribZeroAliasesVertex; } extern void |