1 // Copyright 2021 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/program_id.h"
16
17 #include <atomic>
18
19 namespace tint {
20
21 namespace {
22
23 std::atomic<uint32_t> next_program_id{1};
24
25 } // namespace
26
27 ProgramID::ProgramID() = default;
28
ProgramID(uint32_t id)29 ProgramID::ProgramID(uint32_t id) : val(id) {}
30
New()31 ProgramID ProgramID::New() {
32 return ProgramID(next_program_id++);
33 }
34
35 namespace detail {
36
37 /// AssertProgramIDsEqual is called by TINT_ASSERT_PROGRAM_IDS_EQUAL() and
38 /// TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID() to assert that the ProgramIDs
39 /// `a` and `b` are equal.
AssertProgramIDsEqual(ProgramID a,ProgramID b,bool if_valid,diag::System system,const char * msg,const char * file,size_t line)40 void AssertProgramIDsEqual(ProgramID a,
41 ProgramID b,
42 bool if_valid,
43 diag::System system,
44 const char* msg,
45 const char* file,
46 size_t line) {
47 if (a == b) {
48 return; // matched
49 }
50 if (if_valid && (!a || !b)) {
51 return; // a or b were not valid
52 }
53 diag::List diagnostics;
54 tint::InternalCompilerError(file, line, system, diagnostics) << msg;
55 }
56
57 } // namespace detail
58 } // namespace tint
59