C++ (Cpp) ExitContext示例

示例#1

文件： ALc.c 项目： ghoulsblade/vegaogre

/*
    alcDestroyContext

    Remove a Context
*/
ALCAPI ALCvoid ALCAPIENTRY alcDestroyContext(ALCcontext *context)
{
    ALCcontext **list;

    InitAL();

    // Lock context list
    SuspendContext(NULL);

    if (IsContext(context))
    {
        // Lock context
        SuspendContext(context);

        ReleaseALSources(context);
        ReleaseALAuxiliaryEffectSlots(context);

        context->Device->Context = NULL;

        list = &g_pContextList;
        while(*list != context)
            list = &(*list)->next;

        *list = (*list)->next;
        g_ulContextCount--;

        // Unlock context
        ProcessContext(context);

        ExitContext(context);

        // Free memory (MUST do this after ProcessContext)
        memset(context, 0, sizeof(ALCcontext));
        free(context);
    }
    else
        SetALCError(ALC_INVALID_CONTEXT);

    ProcessContext(NULL);
}

示例#2

文件： ALc.c 项目： SergeStinckwich/openqwaq

/*
    alcDestroyContext

    Remove a Context
*/
ALCAPI ALCvoid ALCAPIENTRY alcDestroyContext(ALCcontext *context)
{
    ALCcontext **list;
    ALuint i;

    if (IsContext(context))
    {
        ALCdevice *Device = context->Device;

        if(Device->NumContexts == 1)
            ALCdevice_StopPlayback(Device);

        SuspendContext(NULL);

        for(i = 0;i < Device->NumContexts-1;i++)
        {
            if(Device->Contexts[i] == context)
            {
                memmove(&Device->Contexts[i], &Device->Contexts[i+1],
                        (Device->NumContexts-i-1) * sizeof(*Device->Contexts));
                break;
            }
        }
        Device->NumContexts--;

        // Lock context
        SuspendContext(context);

        if(context->SourceCount > 0)
        {
#ifdef _DEBUG
            AL_PRINT("alcDestroyContext(): deleting %d Source(s)\n", context->SourceCount);
#endif
            ReleaseALSources(context);
        }
        if(context->AuxiliaryEffectSlotCount > 0)
        {
#ifdef _DEBUG
            AL_PRINT("alcDestroyContext(): deleting %d AuxiliaryEffectSlot(s)\n", context->AuxiliaryEffectSlotCount);
#endif
            ReleaseALAuxiliaryEffectSlots(context);
        }

        list = &g_pContextList;
        while(*list != context)
            list = &(*list)->next;

        *list = (*list)->next;
        g_ulContextCount--;

        // Unlock context
        ProcessContext(context);
        ProcessContext(NULL);

        ExitContext(context);

        // Free memory (MUST do this after ProcessContext)
        memset(context, 0, sizeof(ALCcontext));
        free(context);
    }
    else
        alcSetError(ALC_INVALID_CONTEXT);
}