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/*
* Copyright © 2010 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "ast.h"
extern "C" {
#include "program/symbol_table.h"
}
void
ast_type_specifier::print(void) const
{
if (structure) {
structure->print();
} else {
printf("%s ", type_name);
}
if (is_array) {
printf("[ ");
if (array_size) {
array_size->print();
}
printf("] ");
}
}
bool
ast_fully_specified_type::has_qualifiers() const
{
return this->qualifier.flags.i != 0;
}
bool ast_type_qualifier::has_interpolation() const
{
return this->flags.q.smooth
|| this->flags.q.flat
|| this->flags.q.noperspective;
}
const char*
ast_type_qualifier::interpolation_string() const
{
if (this->flags.q.smooth)
return "smooth";
else if (this->flags.q.flat)
return "flat";
else if (this->flags.q.noperspective)
return "noperspective";
else
return NULL;
}
bool
ast_type_qualifier::merge_qualifier(YYLTYPE *loc,
_mesa_glsl_parse_state *state,
ast_type_qualifier q)
{
ast_type_qualifier ubo_mat_mask;
ubo_mat_mask.flags.i = 0;
ubo_mat_mask.flags.q.row_major = 1;
ubo_mat_mask.flags.q.column_major = 1;
ast_type_qualifier ubo_layout_mask;
ubo_layout_mask.flags.i = 0;
ubo_layout_mask.flags.q.std140 = 1;
ubo_layout_mask.flags.q.packed = 1;
ubo_layout_mask.flags.q.shared = 1;
/* Uniform block layout qualifiers get to overwrite each
* other (rightmost having priority), while all other
* qualifiers currently don't allow duplicates.
*/
if ((this->flags.i & q.flags.i & ~(ubo_mat_mask.flags.i |
ubo_layout_mask.flags.i)) != 0) {
_mesa_glsl_error(loc, state,
"duplicate layout qualifiers used\n");
return false;
}
if ((q.flags.i & ubo_mat_mask.flags.i) != 0)
this->flags.i &= ~ubo_mat_mask.flags.i;
if ((q.flags.i & ubo_layout_mask.flags.i) != 0)
this->flags.i &= ~ubo_layout_mask.flags.i;
this->flags.i |= q.flags.i;
if (q.flags.q.explicit_location)
this->location = q.location;
if (q.flags.q.explicit_index)
this->index = q.index;
return true;
}
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