1 /*
2 * Copyright 2015-2020 Arm Limited
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "spirv_cross_util.hpp"
18 #include "spirv_common.hpp"
19
20 using namespace spv;
21 using namespace SPIRV_CROSS_NAMESPACE;
22
23 namespace spirv_cross_util
24 {
rename_interface_variable(Compiler & compiler,const SmallVector<Resource> & resources,uint32_t location,const std::string & name)25 void rename_interface_variable(Compiler &compiler, const SmallVector<Resource> &resources, uint32_t location,
26 const std::string &name)
27 {
28 for (auto &v : resources)
29 {
30 if (!compiler.has_decoration(v.id, spv::DecorationLocation))
31 continue;
32
33 auto loc = compiler.get_decoration(v.id, spv::DecorationLocation);
34 if (loc != location)
35 continue;
36
37 auto &type = compiler.get_type(v.base_type_id);
38
39 // This is more of a friendly variant. If we need to rename interface variables, we might have to rename
40 // structs as well and make sure all the names match up.
41 if (type.basetype == SPIRType::Struct)
42 {
43 compiler.set_name(v.base_type_id, join("SPIRV_Cross_Interface_Location", location));
44 for (uint32_t i = 0; i < uint32_t(type.member_types.size()); i++)
45 compiler.set_member_name(v.base_type_id, i, join("InterfaceMember", i));
46 }
47
48 compiler.set_name(v.id, name);
49 }
50 }
51
inherit_combined_sampler_bindings(Compiler & compiler)52 void inherit_combined_sampler_bindings(Compiler &compiler)
53 {
54 auto &samplers = compiler.get_combined_image_samplers();
55 for (auto &s : samplers)
56 {
57 if (compiler.has_decoration(s.image_id, spv::DecorationDescriptorSet))
58 {
59 uint32_t set = compiler.get_decoration(s.image_id, spv::DecorationDescriptorSet);
60 compiler.set_decoration(s.combined_id, spv::DecorationDescriptorSet, set);
61 }
62
63 if (compiler.has_decoration(s.image_id, spv::DecorationBinding))
64 {
65 uint32_t binding = compiler.get_decoration(s.image_id, spv::DecorationBinding);
66 compiler.set_decoration(s.combined_id, spv::DecorationBinding, binding);
67 }
68 }
69 }
70 } // namespace spirv_cross_util
71