openal32: Wrap and track OpenAL contexts.

This commit is contained in:
Chris Robinson 2009-08-25 18:55:53 -07:00 committed by Alexandre Julliard
parent d973953bbf
commit fbafa5d8f5

View file

@ -36,6 +36,11 @@
WINE_DEFAULT_DEBUG_CHANNEL(openal32);
typedef struct wine_ALCcontext {
ALCcontext *ctx;
struct wine_ALCcontext *next;
} wine_ALCcontext;
struct FuncList {
const char *name;
@ -45,6 +50,18 @@ struct FuncList {
static const struct FuncList ALCFuncs[];
static const struct FuncList ALFuncs[];
static wine_ALCcontext *CtxList;
static wine_ALCcontext *CurrentCtx;
CRITICAL_SECTION openal_cs;
static CRITICAL_SECTION_DEBUG openal_cs_debug =
{
0, 0, &openal_cs,
{&openal_cs_debug.ProcessLocksList,
&openal_cs_debug.ProcessLocksList},
0, 0, {(DWORD_PTR)(__FILE__ ": openal_cs")}
};
CRITICAL_SECTION openal_cs = {&openal_cs_debug, -1, 0, 0, 0, 0};
/***********************************************************************
* OpenAL initialisation routine
@ -56,12 +73,30 @@ BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinst);
break;
case DLL_PROCESS_DETACH:
while(CtxList)
{
wine_ALCcontext *next = CtxList->next;
HeapFree(GetProcessHeap(), 0, CtxList);
CtxList = next;
}
}
return TRUE;
}
/* Validates the given context */
static wine_ALCcontext *ValidateCtx(ALCcontext *ctx)
{
wine_ALCcontext *cur = CtxList;
while(cur != NULL && cur->ctx != ctx)
cur = cur->next;
return cur;
}
/***********************************************************************
* OpenAL thunk routines
*/
@ -69,12 +104,55 @@ BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
/* OpenAL ALC 1.0 functions */
ALCcontext* CDECL wine_alcCreateContext(ALCdevice *device, const ALCint* attrlist)
{
return alcCreateContext(device, attrlist);
wine_ALCcontext *ctx;
ctx = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(wine_ALCcontext));
if(!ctx)
{
ERR("Out of memory!\n");
return NULL;
}
ctx->ctx = alcCreateContext(device, attrlist);
if(!ctx->ctx)
{
HeapFree(GetProcessHeap(), 0, ctx);
WARN("Failed to create new context\n");
return NULL;
}
TRACE("Created new context %p\n", ctx->ctx);
EnterCriticalSection(&openal_cs);
ctx->next = CtxList;
CtxList = ctx;
LeaveCriticalSection(&openal_cs);
return ctx->ctx;
}
ALCboolean CDECL wine_alcMakeContextCurrent(ALCcontext *context)
{
return alcMakeContextCurrent(context);
wine_ALCcontext *ctx = NULL;
EnterCriticalSection(&openal_cs);
if(context && !(ctx=ValidateCtx(context)))
{
FIXME("Could not find context %p in context list\n", context);
LeaveCriticalSection(&openal_cs);
return ALC_FALSE;
}
if(alcMakeContextCurrent(ctx ? ctx->ctx : NULL) == ALC_FALSE)
{
WARN("Failed to make context %p current\n", ctx->ctx);
LeaveCriticalSection(&openal_cs);
return ALC_FALSE;
}
CurrentCtx = ctx;
LeaveCriticalSection(&openal_cs);
return ALC_TRUE;
}
ALvoid CDECL wine_alcProcessContext(ALCcontext *context)
@ -89,12 +167,43 @@ ALvoid CDECL wine_alcSuspendContext(ALCcontext *context)
ALvoid CDECL wine_alcDestroyContext(ALCcontext *context)
{
wine_ALCcontext **list, *ctx;
EnterCriticalSection(&openal_cs);
list = &CtxList;
while(*list && (*list)->ctx != context)
list = &(*list)->next;
if(!(*list))
{
FIXME("Could not find context %p in context list\n", context);
LeaveCriticalSection(&openal_cs);
return;
}
ctx = *list;
*list = (*list)->next;
if(ctx == CurrentCtx)
CurrentCtx = NULL;
LeaveCriticalSection(&openal_cs);
HeapFree(GetProcessHeap(), 0, ctx);
alcDestroyContext(context);
}
ALCcontext* CDECL wine_alcGetCurrentContext(ALCvoid)
{
return alcGetCurrentContext();
ALCcontext *ret = NULL;
EnterCriticalSection(&openal_cs);
if(CurrentCtx)
ret = CurrentCtx->ctx;
LeaveCriticalSection(&openal_cs);
return ret;
}
ALCdevice* CDECL wine_alcGetContextsDevice(ALCcontext *context)