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Set lower bound on size implied by whole-array assignment

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When an unsized array is accessed with a constant extension index this
sets a lower bound on the allowable sizes.  When the unsized array
gets a size set due to a whole-array assignment, this size must be at
least as large as the implied lower bound.

This causes the following tests to pass:

    glslparsertest/glsl2/array-16.vert
This commit is contained in:
Ian Romanick 2010-04-05 14:35:47 -07:00
parent 63038e18ad
commit 63f394203a
1 changed files with 7 additions and 0 deletions
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7
ast_to_hir.cpp
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@ -489,6 +489,13 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
assert(var != NULL);
if (var->max_array_access >= unsigned(rhs->type->array_size())) {
/* FINISHME: This should actually log the location of the RHS. */
_mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to "
"previous access",
var->max_array_access);
}
var->type = glsl_type::get_array_instance(lhs->type->element_type(),
rhs->type->array_size());
}