2 * Copyright © 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
27 ast_type_specifier::print(void) const
32 printf("%s ", type_name
);
35 if (array_specifier
) {
36 array_specifier
->print();
41 ast_fully_specified_type::has_qualifiers() const
43 return this->qualifier
.flags
.i
!= 0;
46 bool ast_type_qualifier::has_interpolation() const
48 return this->flags
.q
.smooth
50 || this->flags
.q
.noperspective
;
54 ast_type_qualifier::has_layout() const
56 return this->flags
.q
.origin_upper_left
57 || this->flags
.q
.pixel_center_integer
58 || this->flags
.q
.depth_any
59 || this->flags
.q
.depth_greater
60 || this->flags
.q
.depth_less
61 || this->flags
.q
.depth_unchanged
62 || this->flags
.q
.std140
63 || this->flags
.q
.shared
64 || this->flags
.q
.column_major
65 || this->flags
.q
.row_major
66 || this->flags
.q
.packed
67 || this->flags
.q
.explicit_location
68 || this->flags
.q
.explicit_index
69 || this->flags
.q
.explicit_binding
70 || this->flags
.q
.explicit_offset
;
74 ast_type_qualifier::has_storage() const
76 return this->flags
.q
.constant
77 || this->flags
.q
.attribute
78 || this->flags
.q
.varying
81 || this->flags
.q
.uniform
;
85 ast_type_qualifier::has_auxiliary_storage() const
87 return this->flags
.q
.centroid
88 || this->flags
.q
.sample
;
92 ast_type_qualifier::interpolation_string() const
94 if (this->flags
.q
.smooth
)
96 else if (this->flags
.q
.flat
)
98 else if (this->flags
.q
.noperspective
)
99 return "noperspective";
105 ast_type_qualifier::merge_qualifier(YYLTYPE
*loc
,
106 _mesa_glsl_parse_state
*state
,
107 ast_type_qualifier q
)
109 ast_type_qualifier ubo_mat_mask
;
110 ubo_mat_mask
.flags
.i
= 0;
111 ubo_mat_mask
.flags
.q
.row_major
= 1;
112 ubo_mat_mask
.flags
.q
.column_major
= 1;
114 ast_type_qualifier ubo_layout_mask
;
115 ubo_layout_mask
.flags
.i
= 0;
116 ubo_layout_mask
.flags
.q
.std140
= 1;
117 ubo_layout_mask
.flags
.q
.packed
= 1;
118 ubo_layout_mask
.flags
.q
.shared
= 1;
120 ast_type_qualifier ubo_binding_mask
;
121 ubo_binding_mask
.flags
.i
= 0;
122 ubo_binding_mask
.flags
.q
.explicit_binding
= 1;
123 ubo_binding_mask
.flags
.q
.explicit_offset
= 1;
125 ast_type_qualifier stream_layout_mask
;
126 stream_layout_mask
.flags
.i
= 0;
127 stream_layout_mask
.flags
.q
.stream
= 1;
129 /* Uniform block layout qualifiers get to overwrite each
130 * other (rightmost having priority), while all other
131 * qualifiers currently don't allow duplicates.
133 ast_type_qualifier allowed_duplicates_mask
;
134 allowed_duplicates_mask
.flags
.i
=
135 ubo_mat_mask
.flags
.i
|
136 ubo_layout_mask
.flags
.i
|
137 ubo_binding_mask
.flags
.i
;
139 /* Geometry shaders can have several layout qualifiers
140 * assigning different stream values.
142 if (state
->stage
== MESA_SHADER_GEOMETRY
)
143 allowed_duplicates_mask
.flags
.i
|=
144 stream_layout_mask
.flags
.i
;
146 if ((this->flags
.i
& q
.flags
.i
& ~allowed_duplicates_mask
.flags
.i
) != 0) {
147 _mesa_glsl_error(loc
, state
,
148 "duplicate layout qualifiers used");
152 if (q
.flags
.q
.prim_type
) {
153 if (this->flags
.q
.prim_type
&& this->prim_type
!= q
.prim_type
) {
154 _mesa_glsl_error(loc
, state
,
155 "conflicting primitive type qualifiers used");
158 this->prim_type
= q
.prim_type
;
161 if (q
.flags
.q
.max_vertices
) {
162 if (this->flags
.q
.max_vertices
&& this->max_vertices
!= q
.max_vertices
) {
163 _mesa_glsl_error(loc
, state
,
164 "geometry shader set conflicting max_vertices "
165 "(%d and %d)", this->max_vertices
, q
.max_vertices
);
168 this->max_vertices
= q
.max_vertices
;
171 if (q
.flags
.q
.invocations
) {
172 if (this->flags
.q
.invocations
&& this->invocations
!= q
.invocations
) {
173 _mesa_glsl_error(loc
, state
,
174 "geometry shader set conflicting invocations "
175 "(%d and %d)", this->invocations
, q
.invocations
);
178 this->invocations
= q
.invocations
;
181 if (state
->stage
== MESA_SHADER_GEOMETRY
&&
182 state
->has_explicit_attrib_stream()) {
183 if (q
.flags
.q
.stream
&& q
.stream
>= state
->ctx
->Const
.MaxVertexStreams
) {
184 _mesa_glsl_error(loc
, state
,
185 "`stream' value is larger than MAX_VERTEX_STREAMS - 1 "
187 q
.stream
, state
->ctx
->Const
.MaxVertexStreams
- 1);
189 if (this->flags
.q
.explicit_stream
&&
190 this->stream
>= state
->ctx
->Const
.MaxVertexStreams
) {
191 _mesa_glsl_error(loc
, state
,
192 "`stream' value is larger than MAX_VERTEX_STREAMS - 1 "
194 this->stream
, state
->ctx
->Const
.MaxVertexStreams
- 1);
197 if (!this->flags
.q
.explicit_stream
) {
198 if (q
.flags
.q
.stream
) {
199 this->flags
.q
.stream
= 1;
200 this->stream
= q
.stream
;
201 } else if (!this->flags
.q
.stream
&& this->flags
.q
.out
) {
202 /* Assign default global stream value */
203 this->flags
.q
.stream
= 1;
204 this->stream
= state
->out_qualifier
->stream
;
207 if (q
.flags
.q
.explicit_stream
) {
208 _mesa_glsl_error(loc
, state
,
209 "duplicate layout `stream' qualifier");
214 if ((q
.flags
.i
& ubo_mat_mask
.flags
.i
) != 0)
215 this->flags
.i
&= ~ubo_mat_mask
.flags
.i
;
216 if ((q
.flags
.i
& ubo_layout_mask
.flags
.i
) != 0)
217 this->flags
.i
&= ~ubo_layout_mask
.flags
.i
;
219 for (int i
= 0; i
< 3; i
++) {
220 if (q
.flags
.q
.local_size
& (1 << i
)) {
221 if ((this->flags
.q
.local_size
& (1 << i
)) &&
222 this->local_size
[i
] != q
.local_size
[i
]) {
223 _mesa_glsl_error(loc
, state
,
224 "compute shader set conflicting values for "
225 "local_size_%c (%d and %d)", 'x' + i
,
226 this->local_size
[i
], q
.local_size
[i
]);
229 this->local_size
[i
] = q
.local_size
[i
];
233 this->flags
.i
|= q
.flags
.i
;
235 if (q
.flags
.q
.explicit_location
)
236 this->location
= q
.location
;
238 if (q
.flags
.q
.explicit_index
)
239 this->index
= q
.index
;
241 if (q
.flags
.q
.explicit_binding
)
242 this->binding
= q
.binding
;
244 if (q
.flags
.q
.explicit_offset
)
245 this->offset
= q
.offset
;
247 if (q
.precision
!= ast_precision_none
)
248 this->precision
= q
.precision
;
250 if (q
.flags
.q
.explicit_image_format
) {
251 this->image_format
= q
.image_format
;
252 this->image_base_type
= q
.image_base_type
;
259 ast_type_qualifier::merge_in_qualifier(YYLTYPE
*loc
,
260 _mesa_glsl_parse_state
*state
,
261 ast_type_qualifier q
,
264 void *mem_ctx
= state
;
265 bool create_gs_ast
= false;
266 bool create_cs_ast
= false;
267 ast_type_qualifier valid_in_mask
;
268 valid_in_mask
.flags
.i
= 0;
270 switch (state
->stage
) {
271 case MESA_SHADER_GEOMETRY
:
272 if (q
.flags
.q
.prim_type
) {
273 /* Make sure this is a valid input primitive type. */
274 switch (q
.prim_type
) {
277 case GL_LINES_ADJACENCY
:
279 case GL_TRIANGLES_ADJACENCY
:
282 _mesa_glsl_error(loc
, state
,
283 "invalid geometry shader input primitive type");
289 q
.flags
.q
.prim_type
&&
290 !state
->in_qualifier
->flags
.q
.prim_type
;
292 valid_in_mask
.flags
.q
.prim_type
= 1;
293 valid_in_mask
.flags
.q
.invocations
= 1;
295 case MESA_SHADER_FRAGMENT
:
296 valid_in_mask
.flags
.q
.early_fragment_tests
= 1;
298 case MESA_SHADER_COMPUTE
:
300 q
.flags
.q
.local_size
!= 0 &&
301 state
->in_qualifier
->flags
.q
.local_size
== 0;
303 valid_in_mask
.flags
.q
.local_size
= 7;
306 _mesa_glsl_error(loc
, state
,
307 "input layout qualifiers only valid in "
308 "geometry, fragment and compute shaders");
312 /* Generate an error when invalid input layout qualifiers are used. */
313 if ((q
.flags
.i
& ~valid_in_mask
.flags
.i
) != 0) {
314 _mesa_glsl_error(loc
, state
,
315 "invalid input layout qualifiers used");
319 /* Input layout qualifiers can be specified multiple
320 * times in separate declarations, as long as they match.
322 if (this->flags
.q
.prim_type
) {
323 if (q
.flags
.q
.prim_type
&&
324 this->prim_type
!= q
.prim_type
) {
325 _mesa_glsl_error(loc
, state
,
326 "conflicting input primitive types specified");
328 } else if (q
.flags
.q
.prim_type
) {
329 state
->in_qualifier
->flags
.q
.prim_type
= 1;
330 state
->in_qualifier
->prim_type
= q
.prim_type
;
333 if (this->flags
.q
.invocations
&&
334 q
.flags
.q
.invocations
&&
335 this->invocations
!= q
.invocations
) {
336 _mesa_glsl_error(loc
, state
,
337 "conflicting invocations counts specified");
339 } else if (q
.flags
.q
.invocations
) {
340 this->flags
.q
.invocations
= 1;
341 this->invocations
= q
.invocations
;
344 if (q
.flags
.q
.early_fragment_tests
) {
345 state
->fs_early_fragment_tests
= true;
349 node
= new(mem_ctx
) ast_gs_input_layout(*loc
, q
.prim_type
);
350 } else if (create_cs_ast
) {
351 /* Infer a local_size of 1 for every unspecified dimension */
352 unsigned local_size
[3];
353 for (int i
= 0; i
< 3; i
++) {
354 if (q
.flags
.q
.local_size
& (1 << i
))
355 local_size
[i
] = q
.local_size
[i
];
359 node
= new(mem_ctx
) ast_cs_input_layout(*loc
, local_size
);