diff options
author | Chris Robinson <[email protected]> | 2011-09-10 01:12:34 -0700 |
---|---|---|
committer | Chris Robinson <[email protected]> | 2011-09-10 01:12:34 -0700 |
commit | 724ad0d89381456771c672b68b72bb07042b2173 (patch) | |
tree | f8b5c8ffcfd64d0ff03cdeb64edceef41852e7c2 | |
parent | 7a0df8553fbf879f94c372aed3d7b5dfab25ad6c (diff) |
Add an option to trap context errors in a debugger
-rw-r--r-- | Alc/ALc.c | 8 | ||||
-rw-r--r-- | OpenAL32/Include/alError.h | 2 | ||||
-rw-r--r-- | OpenAL32/alError.c | 17 | ||||
-rw-r--r-- | alsoftrc.sample | 8 |
4 files changed, 35 insertions, 0 deletions
@@ -34,6 +34,7 @@ #include "alSource.h" #include "alBuffer.h" #include "alAuxEffectSlot.h" +#include "alError.h" #include "bs2b.h" #include "alu.h" @@ -498,6 +499,10 @@ static void alc_init(void) if(str && (strcasecmp(str, "true") == 0 || strtol(str, NULL, 0) == 1)) ZScale = -1.0; + str = getenv("__ALSOFT_TRAP_AL_ERROR"); + if(str && (strcasecmp(str, "true") == 0 || strtol(str, NULL, 0) == 1)) + TrapALError = AL_TRUE; + pthread_key_create(&LocalContext, ReleaseThreadCtx); InitializeCriticalSection(&ListLock); ThunkInit(); @@ -569,6 +574,9 @@ static void alc_initconfig(void) if(DefaultResampler >= RESAMPLER_MAX || DefaultResampler <= RESAMPLER_MIN) DefaultResampler = RESAMPLER_DEFAULT; + if(!TrapALError) + TrapALError = GetConfigValueBool(NULL, "trap-al-error", AL_FALSE); + ReverbBoost *= aluPow(10.0f, GetConfigValueFloat("reverb", "boost", 0.0f) / 20.0f); EmulateEAXReverb = GetConfigValueBool("reverb", "emulate-eax", AL_FALSE); diff --git a/OpenAL32/Include/alError.h b/OpenAL32/Include/alError.h index 7976e50f..f3a9c12d 100644 --- a/OpenAL32/Include/alError.h +++ b/OpenAL32/Include/alError.h @@ -8,6 +8,8 @@ extern "C" { #endif +extern ALboolean TrapALError; + ALvoid alSetError(ALCcontext *Context, ALenum errorCode); #ifdef __cplusplus diff --git a/OpenAL32/alError.c b/OpenAL32/alError.c index 29d06027..8b95423b 100644 --- a/OpenAL32/alError.c +++ b/OpenAL32/alError.c @@ -20,10 +20,14 @@ #include "config.h" +#include <signal.h> + #include "alMain.h" #include "AL/alc.h" #include "alError.h" +ALboolean TrapALError = AL_FALSE; + AL_API ALenum AL_APIENTRY alGetError(void) { ALCcontext *Context; @@ -41,5 +45,18 @@ AL_API ALenum AL_APIENTRY alGetError(void) ALvoid alSetError(ALCcontext *Context, ALenum errorCode) { + if(TrapALError) + { +#ifdef _WIN32 + /* Safely catch a breakpoint exception that wasn't caught by a debugger */ + __try { + DebugBreak(); + } __except((GetExceptionCode()==EXCEPTION_BREAKPOINT) ? + EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) { + } +#elif defined(SIGTRAP) + kill(getpid(), SIGTRAP); +#endif + } CompExchangeInt(&Context->LastError, AL_NO_ERROR, errorCode); } diff --git a/alsoftrc.sample b/alsoftrc.sample index 1f749f69..baf0930b 100644 --- a/alsoftrc.sample +++ b/alsoftrc.sample @@ -150,6 +150,14 @@ #layout_61CHN = fl=-30, fr=30, fc=0, sl=-90, sr=90, bc=180 #layout_71CHN = fl=-30, fr=30, fc=0, sl=-90, sr=90, bl=-150, br=150 +## trap-al-error: +# Generates a SIGTRAP signal when an AL context error is generated, on systems +# that support it. This helps when debugging, while trying to find the cause +# of a context error. On Windows, a breakpoint exception is generated. +# Optionally, the __ALSOFT_TRAP_AL_ERROR env var may be set before running the +# app instead. +#trap-al-error = false + ## ## Reverb effect stuff (includes EAX reverb) ## |