2 * OpenAL cross platform audio library
3 * Copyright (C) 1999-2000 by authors.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 * Or go to http://www.gnu.org/copyleft/lgpl.html
24 #define WIN32_LEAN_AND_MEAN
38 #include "alc/context.h"
40 #include "core/except.h"
41 #include "core/logging.h"
42 #include "opthelpers.h"
46 bool TrapALError{false};
48 void ALCcontext::setError(ALenum errorCode, const char *msg, ...)
50 auto message = al::vector<char>(256);
55 int msglen{std::vsnprintf(message.data(), message.size(), msg, args)};
56 if(msglen >= 0 && static_cast<size_t>(msglen) >= message.size())
58 message.resize(static_cast<size_t>(msglen) + 1u);
59 msglen = std::vsnprintf(message.data(), message.size(), msg, args2);
64 if(msglen >= 0) msg = message.data();
65 else msg = "<internal error constructing message>";
67 WARN("Error generated on context %p, code 0x%04x, \"%s\"\n",
68 decltype(std::declval<void*>()){this}, errorCode, msg);
72 /* DebugBreak will cause an exception if there is no debugger */
73 if(IsDebuggerPresent())
75 #elif defined(SIGTRAP)
80 ALenum curerr{AL_NO_ERROR};
81 mLastError.compare_exchange_strong(curerr, errorCode);
84 AL_API ALenum AL_APIENTRY alGetError(void)
87 ContextRef context{GetContextRef()};
90 static constexpr ALenum deferror{AL_INVALID_OPERATION};
91 WARN("Querying error state on null context (implicitly 0x%04x)\n", deferror);
95 if(IsDebuggerPresent())
97 #elif defined(SIGTRAP)
104 return context->mLastError.exchange(AL_NO_ERROR);