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glsl: Mark 'in' variables at global scope as read-only

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Fixes Piglit tests:
spec/glsl-1.30/compiler/storage-qualifiers/static-write-centroid-in-01.frag
spec/glsl-1.30/compiler/storage-qualifiers/static-write-in-01.frag
spec/glsl-1.30/compiler/storage-qualifiers/static-write-in-02.frag
(cherry picked from commit 01a584d093)
This commit is contained in:
Chad Versace 2011-01-20 14:12:16 -08:00 • committed by Ian Romanick
parent c4b626018a
commit 7bb3fe50c2
1 changed files with 2 additions and 1 deletions
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3
src/glsl/ast_to_hir.cpp
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@ -1812,7 +1812,6 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
}
}
/* FINISHME: Mark 'in' variables at global scope as read-only. */
if (qual->flags.q.constant || qual->flags.q.attribute
|| qual->flags.q.uniform
|| (qual->flags.q.varying && (state->target == fragment_shader)))
@ -2209,6 +2208,8 @@ ast_declarator_list::hir(exec_list *instructions,
mode, var->name, extra);
}
} else if (var->mode == ir_var_in) {
var->read_only = true;
if (state->target == vertex_shader) {
bool error_emitted = false;