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Allow int->float argument conversion in _slang_locate_function().

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This commit is contained in:
Brian 2007-02-16 09:04:53 -07:00
parent d003877c66
commit 9ea2315d2d
1 changed files with 37 additions and 7 deletions
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44
src/mesa/shader/slang/slang_typeinfo.c
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@ -231,17 +231,44 @@ slang_type_specifier_copy(slang_type_specifier * x,
return GL_TRUE;
}
/**
* Test if two types are equal.
*/
GLboolean
slang_type_specifier_equal(const slang_type_specifier * x,
const slang_type_specifier * y)
{
if (x->type != y->type)
return 0;
return GL_FALSE;
if (x->type == slang_spec_struct)
return slang_struct_equal(x->_struct, y->_struct);
if (x->type == slang_spec_array)
return slang_type_specifier_equal(x->_array, y->_array);
return 1;
return GL_TRUE;
}
/**
* As above, but allow float/int casting.
*/
static GLboolean
slang_type_specifier_compatible(const slang_type_specifier * x,
const slang_type_specifier * y)
{
/* special case: float == int */
if (x->type == slang_spec_int && y->type == slang_spec_float) {
return GL_TRUE;
}
/* XXX may need to add bool/int compatibility, etc */
if (x->type != y->type)
return GL_FALSE;
if (x->type == slang_spec_struct)
return slang_struct_equal(x->_struct, y->_struct);
if (x->type == slang_spec_array)
return slang_type_specifier_compatible(x->_array, y->_array);
return GL_TRUE;
}
@ -660,12 +687,13 @@ _slang_typeof_operation_(const slang_operation * op,
}
/**
* Lookup a function according to name and parameter count/types.
*/
slang_function *
_slang_locate_function(const slang_function_scope * funcs, slang_atom a_name,
const slang_operation * args, GLuint num_args,
const slang_name_space * space,
slang_atom_pool * atoms)
const slang_name_space * space, slang_atom_pool * atoms)
{
GLuint i;
@ -689,14 +717,16 @@ _slang_locate_function(const slang_function_scope * funcs, slang_atom a_name,
slang_typeinfo_destruct(&ti);
return NULL;
}
if (!slang_type_specifier_equal(&ti.spec,
if (!slang_type_specifier_compatible(&ti.spec,
&f->parameters->variables[j]->type.specifier)) {
slang_typeinfo_destruct(&ti);
break;
}
slang_typeinfo_destruct(&ti);
/* "out" and "inout" formal parameter requires the actual parameter to be l-value */
/* "out" and "inout" formal parameter requires the actual
* parameter to be l-value.
*/
if (!ti.can_be_referenced &&
(f->parameters->variables[j]->type.qualifier == slang_qual_out ||
f->parameters->variables[j]->type.qualifier == slang_qual_inout))