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authorNicolai Hähnle <[email protected]>2017-09-17 18:25:39 +0200
committerNicolai Hähnle <[email protected]>2017-09-20 15:35:57 +0200
commit15cae12804ef288c7fb4cb9a38f7e32e6d8c4dc1 (patch)
treea16cb7a6c9e2aae62af08521e64143752e3941a7 /docs
parent62a8ca22cde9907726f63d6a1915390fb2f21cfe (diff)
glsl/linker: fix output variable overlap check
Prevent an overflow caused by too many output variables. To limit the scope of the issue, write to the assigned array only for the non-ES fragment shader path, which is the only place where it's needed. Since the function will bail with an error when output variables with overlapping components are found, (max # of FS outputs) * 4 is an upper limit to the space we need. Found by address sanitizer. Fixes dEQP-GLES3.functional.attribute_location.bind_aliasing.* Cc: [email protected] Reviewed-by: Timothy Arceri <[email protected]>
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