1 /* 2 * Copyright © 2013 Intel Corporation 3 * 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: 10 * 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 13 * Software. 14 * 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. 22 */ 23 24 #ifndef LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H 25 #define LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H 26 27 #include "ir.h" 28 #include "util/hash_table.h" 29 30 struct uniform_block_array_elements { 31 unsigned *array_elements; 32 unsigned num_array_elements; 33 34 ir_dereference_array *ir; 35 36 struct uniform_block_array_elements *array; 37 }; 38 39 struct link_uniform_block_active { 40 const glsl_type *type; 41 ir_variable *var; 42 43 struct uniform_block_array_elements *array; 44 45 unsigned binding; 46 47 bool has_instance_name; 48 bool has_binding; 49 bool is_shader_storage; 50 }; 51 52 class link_uniform_block_active_visitor : public ir_hierarchical_visitor { 53 public: link_uniform_block_active_visitor(void * mem_ctx,struct hash_table * ht,struct gl_shader_program * prog)54 link_uniform_block_active_visitor(void *mem_ctx, struct hash_table *ht, 55 struct gl_shader_program *prog) 56 : success(true), prog(prog), ht(ht), mem_ctx(mem_ctx) 57 { 58 /* empty */ 59 } 60 61 virtual ir_visitor_status visit_enter(ir_dereference_array *); 62 virtual ir_visitor_status visit(ir_dereference_variable *); 63 virtual ir_visitor_status visit(ir_variable *); 64 65 bool success; 66 67 private: 68 struct gl_shader_program *prog; 69 struct hash_table *ht; 70 void *mem_ctx; 71 }; 72 73 #endif /* LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H */ 74