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| Rev | Author | Line No. | Line |
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| 5564 | 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 (array_specifier) { |
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| 36 | array_specifier->print(); |
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| 37 | } |
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| 38 | } |
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| 39 | |||
| 40 | bool |
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| 41 | ast_fully_specified_type::has_qualifiers() const |
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| 42 | { |
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| 43 | return this->qualifier.flags.i != 0; |
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| 44 | } |
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| 45 | |||
| 46 | bool ast_type_qualifier::has_interpolation() const |
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| 47 | { |
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| 48 | return this->flags.q.smooth |
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| 49 | || this->flags.q.flat |
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| 50 | || this->flags.q.noperspective; |
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| 51 | } |
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| 52 | |||
| 53 | bool |
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| 54 | ast_type_qualifier::has_layout() const |
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| 55 | { |
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| 56 | return this->flags.q.origin_upper_left |
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| 57 | || this->flags.q.pixel_center_integer |
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| 58 | || this->flags.q.depth_any |
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| 59 | || this->flags.q.depth_greater |
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| 60 | || this->flags.q.depth_less |
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| 61 | || this->flags.q.depth_unchanged |
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| 62 | || this->flags.q.std140 |
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| 63 | || this->flags.q.shared |
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| 64 | || this->flags.q.column_major |
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| 65 | || this->flags.q.row_major |
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| 66 | || this->flags.q.packed |
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| 67 | || this->flags.q.explicit_location |
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| 68 | || this->flags.q.explicit_index |
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| 69 | || this->flags.q.explicit_binding |
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| 70 | || this->flags.q.explicit_offset; |
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| 71 | } |
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| 72 | |||
| 73 | bool |
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| 74 | ast_type_qualifier::has_storage() const |
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| 75 | { |
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| 76 | return this->flags.q.constant |
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| 77 | || this->flags.q.attribute |
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| 78 | || this->flags.q.varying |
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| 79 | || this->flags.q.in |
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| 80 | || this->flags.q.out |
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| 81 | || this->flags.q.uniform; |
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| 82 | } |
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| 83 | |||
| 84 | bool |
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| 85 | ast_type_qualifier::has_auxiliary_storage() const |
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| 86 | { |
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| 87 | return this->flags.q.centroid |
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| 88 | || this->flags.q.sample; |
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| 89 | } |
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| 90 | |||
| 91 | const char* |
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| 92 | ast_type_qualifier::interpolation_string() const |
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| 93 | { |
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| 94 | if (this->flags.q.smooth) |
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| 95 | return "smooth"; |
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| 96 | else if (this->flags.q.flat) |
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| 97 | return "flat"; |
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| 98 | else if (this->flags.q.noperspective) |
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| 99 | return "noperspective"; |
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| 100 | else |
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| 101 | return NULL; |
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| 102 | } |
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| 103 | |||
| 104 | bool |
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| 105 | ast_type_qualifier::merge_qualifier(YYLTYPE *loc, |
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| 106 | _mesa_glsl_parse_state *state, |
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| 107 | ast_type_qualifier q) |
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| 108 | { |
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| 109 | ast_type_qualifier ubo_mat_mask; |
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| 110 | ubo_mat_mask.flags.i = 0; |
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| 111 | ubo_mat_mask.flags.q.row_major = 1; |
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| 112 | ubo_mat_mask.flags.q.column_major = 1; |
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| 113 | |||
| 114 | ast_type_qualifier ubo_layout_mask; |
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| 115 | ubo_layout_mask.flags.i = 0; |
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| 116 | ubo_layout_mask.flags.q.std140 = 1; |
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| 117 | ubo_layout_mask.flags.q.packed = 1; |
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| 118 | ubo_layout_mask.flags.q.shared = 1; |
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| 119 | |||
| 120 | ast_type_qualifier ubo_binding_mask; |
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| 121 | ubo_binding_mask.flags.i = 0; |
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| 122 | ubo_binding_mask.flags.q.explicit_binding = 1; |
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| 123 | ubo_binding_mask.flags.q.explicit_offset = 1; |
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| 124 | |||
| 125 | ast_type_qualifier stream_layout_mask; |
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| 126 | stream_layout_mask.flags.i = 0; |
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| 127 | stream_layout_mask.flags.q.stream = 1; |
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| 128 | |||
| 129 | /* Uniform block layout qualifiers get to overwrite each |
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| 130 | * other (rightmost having priority), while all other |
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| 131 | * qualifiers currently don't allow duplicates. |
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| 132 | */ |
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| 133 | ast_type_qualifier allowed_duplicates_mask; |
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| 134 | allowed_duplicates_mask.flags.i = |
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| 135 | ubo_mat_mask.flags.i | |
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| 136 | ubo_layout_mask.flags.i | |
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| 137 | ubo_binding_mask.flags.i; |
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| 138 | |||
| 139 | /* Geometry shaders can have several layout qualifiers |
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| 140 | * assigning different stream values. |
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| 141 | */ |
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| 142 | if (state->stage == MESA_SHADER_GEOMETRY) |
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| 143 | allowed_duplicates_mask.flags.i |= |
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| 144 | stream_layout_mask.flags.i; |
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| 145 | |||
| 146 | if ((this->flags.i & q.flags.i & ~allowed_duplicates_mask.flags.i) != 0) { |
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| 147 | _mesa_glsl_error(loc, state, |
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| 148 | "duplicate layout qualifiers used"); |
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| 149 | return false; |
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| 150 | } |
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| 151 | |||
| 152 | if (q.flags.q.prim_type) { |
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| 153 | if (this->flags.q.prim_type && this->prim_type != q.prim_type) { |
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| 154 | _mesa_glsl_error(loc, state, |
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| 155 | "conflicting primitive type qualifiers used"); |
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| 156 | return false; |
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| 157 | } |
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| 158 | this->prim_type = q.prim_type; |
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| 159 | } |
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| 160 | |||
| 161 | if (q.flags.q.max_vertices) { |
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| 162 | if (this->flags.q.max_vertices && this->max_vertices != q.max_vertices) { |
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| 163 | _mesa_glsl_error(loc, state, |
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| 164 | "geometry shader set conflicting max_vertices " |
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| 165 | "(%d and %d)", this->max_vertices, q.max_vertices); |
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| 166 | return false; |
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| 167 | } |
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| 168 | this->max_vertices = q.max_vertices; |
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| 169 | } |
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| 170 | |||
| 171 | if (q.flags.q.invocations) { |
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| 172 | if (this->flags.q.invocations && this->invocations != q.invocations) { |
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| 173 | _mesa_glsl_error(loc, state, |
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| 174 | "geometry shader set conflicting invocations " |
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| 175 | "(%d and %d)", this->invocations, q.invocations); |
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| 176 | return false; |
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| 177 | } |
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| 178 | this->invocations = q.invocations; |
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| 179 | } |
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| 180 | |||
| 181 | if (state->stage == MESA_SHADER_GEOMETRY && |
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| 182 | state->has_explicit_attrib_stream()) { |
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| 183 | if (q.flags.q.stream && q.stream >= state->ctx->Const.MaxVertexStreams) { |
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| 184 | _mesa_glsl_error(loc, state, |
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| 185 | "`stream' value is larger than MAX_VERTEX_STREAMS - 1 " |
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| 186 | "(%d > %d)", |
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| 187 | q.stream, state->ctx->Const.MaxVertexStreams - 1); |
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| 188 | } |
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| 189 | if (this->flags.q.explicit_stream && |
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| 190 | this->stream >= state->ctx->Const.MaxVertexStreams) { |
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| 191 | _mesa_glsl_error(loc, state, |
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| 192 | "`stream' value is larger than MAX_VERTEX_STREAMS - 1 " |
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| 193 | "(%d > %d)", |
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| 194 | this->stream, state->ctx->Const.MaxVertexStreams - 1); |
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| 195 | } |
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| 196 | |||
| 197 | if (!this->flags.q.explicit_stream) { |
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| 198 | if (q.flags.q.stream) { |
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| 199 | this->flags.q.stream = 1; |
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| 200 | this->stream = q.stream; |
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| 201 | } else if (!this->flags.q.stream && this->flags.q.out) { |
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| 202 | /* Assign default global stream value */ |
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| 203 | this->flags.q.stream = 1; |
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| 204 | this->stream = state->out_qualifier->stream; |
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| 205 | } |
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| 206 | } else { |
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| 207 | if (q.flags.q.explicit_stream) { |
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| 208 | _mesa_glsl_error(loc, state, |
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| 209 | "duplicate layout `stream' qualifier"); |
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| 210 | } |
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| 211 | } |
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| 212 | } |
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| 213 | |||
| 214 | if ((q.flags.i & ubo_mat_mask.flags.i) != 0) |
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| 215 | this->flags.i &= ~ubo_mat_mask.flags.i; |
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| 216 | if ((q.flags.i & ubo_layout_mask.flags.i) != 0) |
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| 217 | this->flags.i &= ~ubo_layout_mask.flags.i; |
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| 218 | |||
| 219 | for (int i = 0; i < 3; i++) { |
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| 220 | if (q.flags.q.local_size & (1 << i)) { |
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| 221 | if ((this->flags.q.local_size & (1 << i)) && |
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| 222 | this->local_size[i] != q.local_size[i]) { |
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| 223 | _mesa_glsl_error(loc, state, |
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| 224 | "compute shader set conflicting values for " |
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| 225 | "local_size_%c (%d and %d)", 'x' + i, |
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| 226 | this->local_size[i], q.local_size[i]); |
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| 227 | return false; |
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| 228 | } |
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| 229 | this->local_size[i] = q.local_size[i]; |
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| 230 | } |
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| 231 | } |
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| 232 | |||
| 233 | this->flags.i |= q.flags.i; |
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| 234 | |||
| 235 | if (q.flags.q.explicit_location) |
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| 236 | this->location = q.location; |
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| 237 | |||
| 238 | if (q.flags.q.explicit_index) |
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| 239 | this->index = q.index; |
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| 240 | |||
| 241 | if (q.flags.q.explicit_binding) |
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| 242 | this->binding = q.binding; |
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| 243 | |||
| 244 | if (q.flags.q.explicit_offset) |
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| 245 | this->offset = q.offset; |
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| 246 | |||
| 247 | if (q.precision != ast_precision_none) |
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| 248 | this->precision = q.precision; |
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| 249 | |||
| 250 | if (q.flags.q.explicit_image_format) { |
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| 251 | this->image_format = q.image_format; |
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| 252 | this->image_base_type = q.image_base_type; |
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| 253 | } |
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| 254 | |||
| 255 | return true; |
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| 256 | } |
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| 257 | |||
| 258 | bool |
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| 259 | ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, |
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| 260 | _mesa_glsl_parse_state *state, |
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| 261 | ast_type_qualifier q, |
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| 262 | ast_node* &node) |
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| 263 | { |
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| 264 | void *mem_ctx = state; |
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| 265 | bool create_gs_ast = false; |
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| 266 | bool create_cs_ast = false; |
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| 267 | ast_type_qualifier valid_in_mask; |
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| 268 | valid_in_mask.flags.i = 0; |
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| 269 | |||
| 270 | switch (state->stage) { |
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| 271 | case MESA_SHADER_GEOMETRY: |
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| 272 | if (q.flags.q.prim_type) { |
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| 273 | /* Make sure this is a valid input primitive type. */ |
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| 274 | switch (q.prim_type) { |
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| 275 | case GL_POINTS: |
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| 276 | case GL_LINES: |
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| 277 | case GL_LINES_ADJACENCY: |
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| 278 | case GL_TRIANGLES: |
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| 279 | case GL_TRIANGLES_ADJACENCY: |
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| 280 | break; |
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| 281 | default: |
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| 282 | _mesa_glsl_error(loc, state, |
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| 283 | "invalid geometry shader input primitive type"); |
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| 284 | break; |
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| 285 | } |
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| 286 | } |
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| 287 | |||
| 288 | create_gs_ast |= |
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| 289 | q.flags.q.prim_type && |
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| 290 | !state->in_qualifier->flags.q.prim_type; |
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| 291 | |||
| 292 | valid_in_mask.flags.q.prim_type = 1; |
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| 293 | valid_in_mask.flags.q.invocations = 1; |
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| 294 | break; |
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| 295 | case MESA_SHADER_FRAGMENT: |
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| 296 | valid_in_mask.flags.q.early_fragment_tests = 1; |
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| 297 | break; |
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| 298 | case MESA_SHADER_COMPUTE: |
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| 299 | create_cs_ast |= |
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| 300 | q.flags.q.local_size != 0 && |
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| 301 | state->in_qualifier->flags.q.local_size == 0; |
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| 302 | |||
| 303 | valid_in_mask.flags.q.local_size = 7; |
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| 304 | break; |
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| 305 | default: |
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| 306 | _mesa_glsl_error(loc, state, |
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| 307 | "input layout qualifiers only valid in " |
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| 308 | "geometry, fragment and compute shaders"); |
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| 309 | break; |
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| 310 | } |
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| 311 | |||
| 312 | /* Generate an error when invalid input layout qualifiers are used. */ |
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| 313 | if ((q.flags.i & ~valid_in_mask.flags.i) != 0) { |
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| 314 | _mesa_glsl_error(loc, state, |
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| 315 | "invalid input layout qualifiers used"); |
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| 316 | return false; |
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| 317 | } |
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| 318 | |||
| 319 | /* Input layout qualifiers can be specified multiple |
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| 320 | * times in separate declarations, as long as they match. |
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| 321 | */ |
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| 322 | if (this->flags.q.prim_type) { |
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| 323 | if (q.flags.q.prim_type && |
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| 324 | this->prim_type != q.prim_type) { |
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| 325 | _mesa_glsl_error(loc, state, |
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| 326 | "conflicting input primitive types specified"); |
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| 327 | } |
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| 328 | } else if (q.flags.q.prim_type) { |
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| 329 | state->in_qualifier->flags.q.prim_type = 1; |
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| 330 | state->in_qualifier->prim_type = q.prim_type; |
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| 331 | } |
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| 332 | |||
| 333 | if (this->flags.q.invocations && |
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| 334 | q.flags.q.invocations && |
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| 335 | this->invocations != q.invocations) { |
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| 336 | _mesa_glsl_error(loc, state, |
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| 337 | "conflicting invocations counts specified"); |
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| 338 | return false; |
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| 339 | } else if (q.flags.q.invocations) { |
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| 340 | this->flags.q.invocations = 1; |
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| 341 | this->invocations = q.invocations; |
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| 342 | } |
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| 343 | |||
| 344 | if (q.flags.q.early_fragment_tests) { |
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| 345 | state->fs_early_fragment_tests = true; |
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| 346 | } |
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| 347 | |||
| 348 | if (create_gs_ast) { |
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| 349 | node = new(mem_ctx) ast_gs_input_layout(*loc, q.prim_type); |
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| 350 | } else if (create_cs_ast) { |
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| 351 | /* Infer a local_size of 1 for every unspecified dimension */ |
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| 352 | unsigned local_size[3]; |
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| 353 | for (int i = 0; i < 3; i++) { |
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| 354 | if (q.flags.q.local_size & (1 << i)) |
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| 355 | local_size[i] = q.local_size[i]; |
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| 356 | else |
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| 357 | local_size[i] = 1; |
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| 358 | } |
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| 359 | node = new(mem_ctx) ast_cs_input_layout(*loc, local_size); |
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| 360 | } |
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| 361 | |||
| 362 | return true; |
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| 363 | } |