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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /* |
| 2 | * Copyright © 2010 Intel Corporation |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 21 | * DEALINGS IN THE SOFTWARE. |
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| 22 | */ |
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| 23 | |||
| 24 | #include "ast.h" |
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| 25 | |||
| 26 | void |
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| 27 | ast_type_specifier::print(void) const |
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| 28 | { |
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| 29 | if (structure) { |
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| 30 | structure->print(); |
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| 31 | } else { |
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| 32 | printf("%s ", type_name); |
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| 33 | } |
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| 34 | |||
| 35 | if (is_array) { |
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| 36 | printf("[ "); |
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| 37 | |||
| 38 | if (array_size) { |
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| 39 | array_size->print(); |
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| 40 | } |
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| 41 | |||
| 42 | printf("] "); |
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| 43 | } |
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| 44 | } |
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| 45 | |||
| 46 | bool |
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| 47 | ast_fully_specified_type::has_qualifiers() const |
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| 48 | { |
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| 49 | return this->qualifier.flags.i != 0; |
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| 50 | } |
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| 51 | |||
| 52 | bool ast_type_qualifier::has_interpolation() const |
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| 53 | { |
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| 54 | return this->flags.q.smooth |
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| 55 | || this->flags.q.flat |
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| 56 | || this->flags.q.noperspective; |
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| 57 | } |
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| 58 | |||
| 59 | bool |
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| 60 | ast_type_qualifier::has_layout() const |
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| 61 | { |
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| 62 | return this->flags.q.origin_upper_left |
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| 63 | || this->flags.q.pixel_center_integer |
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| 64 | || this->flags.q.depth_any |
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| 65 | || this->flags.q.depth_greater |
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| 66 | || this->flags.q.depth_less |
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| 67 | || this->flags.q.depth_unchanged |
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| 68 | || this->flags.q.std140 |
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| 69 | || this->flags.q.shared |
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| 70 | || this->flags.q.column_major |
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| 71 | || this->flags.q.row_major |
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| 72 | || this->flags.q.packed |
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| 73 | || this->flags.q.explicit_location |
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| 74 | || this->flags.q.explicit_index |
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| 75 | || this->flags.q.explicit_binding; |
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| 76 | } |
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| 77 | |||
| 78 | bool |
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| 79 | ast_type_qualifier::has_storage() const |
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| 80 | { |
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| 81 | return this->flags.q.constant |
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| 82 | || this->flags.q.attribute |
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| 83 | || this->flags.q.varying |
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| 84 | || this->flags.q.in |
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| 85 | || this->flags.q.out |
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| 86 | || this->flags.q.uniform; |
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| 87 | } |
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| 88 | |||
| 89 | bool |
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| 90 | ast_type_qualifier::has_auxiliary_storage() const |
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| 91 | { |
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| 92 | return this->flags.q.centroid; |
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| 93 | } |
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| 94 | |||
| 95 | const char* |
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| 96 | ast_type_qualifier::interpolation_string() const |
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| 97 | { |
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| 98 | if (this->flags.q.smooth) |
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| 99 | return "smooth"; |
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| 100 | else if (this->flags.q.flat) |
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| 101 | return "flat"; |
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| 102 | else if (this->flags.q.noperspective) |
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| 103 | return "noperspective"; |
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| 104 | else |
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| 105 | return NULL; |
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| 106 | } |
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| 107 | |||
| 108 | bool |
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| 109 | ast_type_qualifier::merge_qualifier(YYLTYPE *loc, |
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| 110 | _mesa_glsl_parse_state *state, |
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| 111 | ast_type_qualifier q) |
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| 112 | { |
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| 113 | ast_type_qualifier ubo_mat_mask; |
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| 114 | ubo_mat_mask.flags.i = 0; |
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| 115 | ubo_mat_mask.flags.q.row_major = 1; |
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| 116 | ubo_mat_mask.flags.q.column_major = 1; |
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| 117 | |||
| 118 | ast_type_qualifier ubo_layout_mask; |
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| 119 | ubo_layout_mask.flags.i = 0; |
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| 120 | ubo_layout_mask.flags.q.std140 = 1; |
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| 121 | ubo_layout_mask.flags.q.packed = 1; |
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| 122 | ubo_layout_mask.flags.q.shared = 1; |
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| 123 | |||
| 124 | /* Uniform block layout qualifiers get to overwrite each |
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| 125 | * other (rightmost having priority), while all other |
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| 126 | * qualifiers currently don't allow duplicates. |
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| 127 | */ |
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| 128 | |||
| 129 | if ((this->flags.i & q.flags.i & ~(ubo_mat_mask.flags.i | |
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| 130 | ubo_layout_mask.flags.i)) != 0) { |
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| 131 | _mesa_glsl_error(loc, state, |
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| 132 | "duplicate layout qualifiers used\n"); |
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| 133 | return false; |
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| 134 | } |
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| 135 | |||
| 136 | if ((q.flags.i & ubo_mat_mask.flags.i) != 0) |
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| 137 | this->flags.i &= ~ubo_mat_mask.flags.i; |
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| 138 | if ((q.flags.i & ubo_layout_mask.flags.i) != 0) |
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| 139 | this->flags.i &= ~ubo_layout_mask.flags.i; |
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| 140 | |||
| 141 | this->flags.i |= q.flags.i; |
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| 142 | |||
| 143 | if (q.flags.q.explicit_location) |
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| 144 | this->location = q.location; |
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| 145 | |||
| 146 | if (q.flags.q.explicit_index) |
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| 147 | this->index = q.index; |
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| 148 | |||
| 149 | if (q.flags.q.explicit_binding) |
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| 150 | this->binding = q.binding; |
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| 151 | |||
| 152 | if (q.precision != ast_precision_none) |
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| 153 | this->precision = q.precision; |
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| 154 | |||
| 155 | return true; |
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| 156 | } |
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| 157 |