Sweden-Number/dlls/ddraw/main.c

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/* DirectDraw Base Functions
*
* Copyright 1997-1999 Marcus Meissner
* Copyright 1998 Lionel Ulmer (most of Direct3D stuff)
* Copyright 2000-2001 TransGaming Technologies Inc.
*
* This file contains the (internal) driver registration functions,
* driver enumeration APIs and DirectDraw creation functions.
*/
#include "config.h"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include "winerror.h"
#include "debugtools.h"
#include "heap.h"
#include "ddraw.h"
#include "d3d.h"
/* This for all the enumeration and creation of D3D-related objects */
#include "ddraw_private.h"
#define MAX_DDRAW_DRIVERS 3
static const ddraw_driver* DDRAW_drivers[MAX_DDRAW_DRIVERS];
static int DDRAW_num_drivers; /* = 0 */
static int DDRAW_default_driver;
DEFAULT_DEBUG_CHANNEL(ddraw);
/**********************************************************************/
typedef struct {
LPVOID lpCallback;
LPVOID lpContext;
} DirectDrawEnumerateProcData;
/***********************************************************************
* DirectDrawEnumerateExA (DDRAW.*)
*/
HRESULT WINAPI DirectDrawEnumerateExA(
LPDDENUMCALLBACKEXA lpCallback, LPVOID lpContext, DWORD dwFlags)
{
int i;
TRACE("(%p,%p, %08lx)\n", lpCallback, lpContext, dwFlags);
if (TRACE_ON(ddraw)) {
DPRINTF(" Flags : ");
if (dwFlags & DDENUM_ATTACHEDSECONDARYDEVICES)
DPRINTF("DDENUM_ATTACHEDSECONDARYDEVICES ");
if (dwFlags & DDENUM_DETACHEDSECONDARYDEVICES)
DPRINTF("DDENUM_DETACHEDSECONDARYDEVICES ");
if (dwFlags & DDENUM_NONDISPLAYDEVICES)
DPRINTF("DDENUM_NONDISPLAYDEVICES ");
DPRINTF("\n");
}
for (i=0; i<DDRAW_num_drivers; i++)
{
TRACE("Enumerating %s/%s interface\n",
DDRAW_drivers[i]->info->szDriver,
DDRAW_drivers[i]->info->szDescription);
/* We have to pass NULL from the primary display device.
* RoadRage chapter 6's enumeration routine expects it. */
if (!lpCallback((DDRAW_default_driver == i) ? NULL
:(LPGUID)&DDRAW_drivers[i]->info->guidDeviceIdentifier,
(LPSTR)DDRAW_drivers[i]->info->szDescription,
(LPSTR)DDRAW_drivers[i]->info->szDriver,
lpContext, 0))
return DD_OK;
}
/* Unsupported flags */
if (dwFlags & DDENUM_NONDISPLAYDEVICES) {
FIXME("no non-display devices supported.\n");
}
if (dwFlags & DDENUM_DETACHEDSECONDARYDEVICES) {
FIXME("no detached secondary devices supported.\n");
}
return DD_OK;
}
/***********************************************************************
* DirectDrawEnumerateExW (DDRAW.*)
*/
static BOOL CALLBACK DirectDrawEnumerateExProcW(
GUID *lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName,
LPVOID lpContext, HMONITOR hm)
{
DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
LPWSTR lpDriverDescriptionW =
HEAP_strdupAtoW(GetProcessHeap(), 0, lpDriverDescription);
LPWSTR lpDriverNameW =
HEAP_strdupAtoW(GetProcessHeap(), 0, lpDriverName);
BOOL bResult = (*(LPDDENUMCALLBACKEXW *) pEPD->lpCallback)(
lpGUID, lpDriverDescriptionW, lpDriverNameW, pEPD->lpContext, hm);
HeapFree(GetProcessHeap(), 0, lpDriverDescriptionW);
HeapFree(GetProcessHeap(), 0, lpDriverNameW);
return bResult;
}
HRESULT WINAPI DirectDrawEnumerateExW(
LPDDENUMCALLBACKEXW lpCallback, LPVOID lpContext, DWORD dwFlags)
{
DirectDrawEnumerateProcData epd;
epd.lpCallback = (LPVOID) lpCallback;
epd.lpContext = lpContext;
return DirectDrawEnumerateExA(DirectDrawEnumerateExProcW, (LPVOID) &epd, 0);
}
/***********************************************************************
* DirectDrawEnumerateA (DDRAW.*)
*/
static BOOL CALLBACK DirectDrawEnumerateProcA(
GUID *lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName,
LPVOID lpContext, HMONITOR hm)
{
DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
return ((LPDDENUMCALLBACKA) pEPD->lpCallback)(
lpGUID, lpDriverDescription, lpDriverName, pEPD->lpContext);
}
HRESULT WINAPI DirectDrawEnumerateA(
LPDDENUMCALLBACKA lpCallback, LPVOID lpContext)
{
DirectDrawEnumerateProcData epd;
epd.lpCallback = (LPVOID) lpCallback;
epd.lpContext = lpContext;
return DirectDrawEnumerateExA(DirectDrawEnumerateProcA, (LPVOID) &epd, 0);
}
/***********************************************************************
* DirectDrawEnumerateW (DDRAW.*)
*/
static BOOL WINAPI DirectDrawEnumerateProcW(
GUID *lpGUID, LPWSTR lpDriverDescription, LPWSTR lpDriverName,
LPVOID lpContext, HMONITOR hm)
{
DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
return ((LPDDENUMCALLBACKW) pEPD->lpCallback)(
lpGUID, lpDriverDescription, lpDriverName, pEPD->lpContext);
}
HRESULT WINAPI DirectDrawEnumerateW(
LPDDENUMCALLBACKW lpCallback, LPVOID lpContext)
{
DirectDrawEnumerateProcData epd;
epd.lpCallback = (LPVOID) lpCallback;
epd.lpContext = lpContext;
return DirectDrawEnumerateExW(DirectDrawEnumerateProcW, (LPVOID) &epd, 0);
}
/***********************************************************************
* DirectDrawCreate
*/
const ddraw_driver* DDRAW_FindDriver(const GUID* pGUID)
{
static const GUID zeroGUID; /* gets zero-inited */
TRACE("(%s)\n", pGUID ? debugstr_guid(pGUID) : "(null)");
if (DDRAW_num_drivers == 0) return NULL;
if (pGUID == (LPGUID)DDCREATE_EMULATIONONLY
|| pGUID == (LPGUID)DDCREATE_HARDWAREONLY)
pGUID = NULL;
if (pGUID == NULL || memcmp(pGUID, &zeroGUID, sizeof(GUID)) == 0)
{
/* Use the default driver. */
return DDRAW_drivers[DDRAW_default_driver];
}
else
{
/* Look for a matching GUID. */
int i;
for (i=0; i < DDRAW_num_drivers; i++)
{
if (IsEqualGUID(pGUID,
&DDRAW_drivers[i]->info->guidDeviceIdentifier))
break;
}
if (i < DDRAW_num_drivers)
{
return DDRAW_drivers[i];
}
else
{
ERR("(%s): did not recognize requested GUID.\n",debugstr_guid(pGUID));
return NULL;
}
}
}
static HRESULT DDRAW_Create(
LPGUID lpGUID, LPVOID *lplpDD, LPUNKNOWN pUnkOuter, REFIID iid, BOOL ex
) {
const ddraw_driver* driver;
LPDIRECTDRAW7 pDD;
HRESULT hr;
if (DDRAW_num_drivers == 0)
{
WARN("no DirectDraw drivers registered\n");
return DDERR_INVALIDDIRECTDRAWGUID;
}
if (lpGUID == (LPGUID)DDCREATE_EMULATIONONLY
|| lpGUID == (LPGUID)DDCREATE_HARDWAREONLY)
lpGUID = NULL;
TRACE("(%s,%p,%p)\n",debugstr_guid(lpGUID),lplpDD,pUnkOuter);
if (pUnkOuter != NULL)
return DDERR_INVALIDPARAMS; /* CLASS_E_NOAGGREGATION? */
driver = DDRAW_FindDriver(lpGUID);
if (driver == NULL) return DDERR_INVALIDDIRECTDRAWGUID;
hr = driver->create(lpGUID, &pDD, pUnkOuter, ex);
if (FAILED(hr)) return hr;
hr = IDirectDraw7_QueryInterface(pDD, iid, lplpDD);
IDirectDraw7_Release(pDD);
return hr;
}
/***********************************************************************
* DirectDrawCreate
*
* Only creates legacy IDirectDraw interfaces.
* Cannot create IDirectDraw7 interfaces.
* In theory.
*/
HRESULT WINAPI DirectDrawCreate(
LPGUID lpGUID, LPDIRECTDRAW* lplpDD, LPUNKNOWN pUnkOuter
) {
return DDRAW_Create(lpGUID,(LPVOID*)lplpDD,pUnkOuter,&IID_IDirectDraw,FALSE);
}
2000-05-24 01:38:32 +02:00
/***********************************************************************
* DirectDrawCreateEx
*
* Only creates new IDirectDraw7 interfaces.
* Supposed to fail if legacy interfaces are requested.
* In theory.
2000-05-24 01:38:32 +02:00
*/
HRESULT WINAPI DirectDrawCreateEx(
LPGUID lpGUID, LPVOID* lplpDD, REFIID iid, LPUNKNOWN pUnkOuter
) {
if (!IsEqualGUID(iid, &IID_IDirectDraw7))
return DDERR_INVALIDPARAMS;
return DDRAW_Create(lpGUID, lplpDD, pUnkOuter, iid, TRUE);
}
extern HRESULT Uninit_DirectDraw_Create(const GUID*, LPDIRECTDRAW7*,
LPUNKNOWN, BOOL);
/* This is for the class factory. */
static HRESULT DDRAW_CreateDirectDraw(IUnknown* pUnkOuter, REFIID iid,
LPVOID* ppObj)
{
LPDIRECTDRAW7 pDD;
HRESULT hr;
hr = Uninit_DirectDraw_Create(NULL, &pDD, pUnkOuter, TRUE); /* ex? */
if (FAILED(hr)) return hr;
hr = IDirectDraw7_QueryInterface(pDD, iid, ppObj);
IDirectDraw_Release(pDD);
return hr;
}
/******************************************************************************
* DirectDraw ClassFactory
*/
typedef struct {
ICOM_VFIELD_MULTI(IClassFactory);
DWORD ref;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid,
LPVOID *ppObj);
} IClassFactoryImpl;
struct object_creation_info
{
const CLSID *clsid;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
LPVOID *ppObj);
};
/* There should be more, but these are the only ones listed in the header
* file. */
extern HRESULT DDRAW_CreateDirectDrawClipper(IUnknown *pUnkOuter, REFIID riid,
LPVOID *ppObj);
static const struct object_creation_info object_creation[] =
{
{ &CLSID_DirectDraw, DDRAW_CreateDirectDraw },
{ &CLSID_DirectDraw7, DDRAW_CreateDirectDraw },
{ &CLSID_DirectDrawClipper, DDRAW_CreateDirectDrawClipper }
};
static HRESULT WINAPI
DDCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
{
ICOM_THIS(IClassFactoryImpl,iface);
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI DDCF_AddRef(LPCLASSFACTORY iface) {
ICOM_THIS(IClassFactoryImpl,iface);
return ++(This->ref);
}
static ULONG WINAPI DDCF_Release(LPCLASSFACTORY iface) {
ICOM_THIS(IClassFactoryImpl,iface);
ULONG ref = --This->ref;
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI DDCF_CreateInstance(
LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
) {
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
return This->pfnCreateInstance(pOuter, riid, ppobj);
}
static HRESULT WINAPI DDCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
ICOM_THIS(IClassFactoryImpl,iface);
FIXME("(%p)->(%d),stub!\n",This,dolock);
return S_OK;
}
static ICOM_VTABLE(IClassFactory) DDCF_Vtbl =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
DDCF_QueryInterface,
DDCF_AddRef,
DDCF_Release,
DDCF_CreateInstance,
DDCF_LockServer
};
/*******************************************************************************
* DllGetClassObject [DDRAW.13]
* Retrieves class object from a DLL object
*
* NOTES
* Docs say returns STDAPI
*
* PARAMS
* rclsid [I] CLSID for the class object
* riid [I] Reference to identifier of interface for class object
* ppv [O] Address of variable to receive interface pointer for riid
*
* RETURNS
* Success: S_OK
* Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
* E_UNEXPECTED
*/
DWORD WINAPI DDRAW_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
{
int i;
IClassFactoryImpl *factory;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if ( !IsEqualGUID( &IID_IClassFactory, riid )
&& ! IsEqualGUID( &IID_IUnknown, riid) )
return E_NOINTERFACE;
for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
{
if (IsEqualGUID(object_creation[i].clsid, rclsid))
break;
}
if (i == sizeof(object_creation)/sizeof(object_creation[0]))
{
FIXME("%s: no class found.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
if (factory == NULL) return E_OUTOFMEMORY;
ICOM_INIT_INTERFACE(factory, IClassFactory, DDCF_Vtbl);
factory->ref = 1;
factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
*ppv = ICOM_INTERFACE(factory, IClassFactory);
return S_OK;
}
/*******************************************************************************
* DllCanUnloadNow [DDRAW.12] Determines whether the DLL is in use.
*
* RETURNS
* Success: S_OK
* Failure: S_FALSE
*/
DWORD WINAPI DDRAW_DllCanUnloadNow(void) {
FIXME("(void): stub\n");
return S_FALSE;
}
/******************************************************************************
* Initialisation
*/
/* Choose which driver is considered the primary display driver. It will
* be created when we get a NULL guid for the DirectDrawCreate(Ex). */
static int DDRAW_ChooseDefaultDriver(void)
{
int i;
int best = 0;
int best_score = 0;
assert(DDRAW_num_drivers > 0);
/* This algorithm is really stupid. */
for (i=0; i < DDRAW_num_drivers; i++)
{
if (DDRAW_drivers[i]->preference > best_score)
{
best_score = DDRAW_drivers[i]->preference;
best = i;
}
}
assert(best_score > 0);
return best;
}
BOOL WINAPI DDRAW_DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
/* If we were sufficiently cool, DDraw drivers would just be COM
* objects, registered with a particular component category. */
DDRAW_HAL_Init(hInstDLL, fdwReason, lpv);
DDRAW_User_Init(hInstDLL, fdwReason, lpv);
if (DDRAW_num_drivers > 0)
DDRAW_default_driver = DDRAW_ChooseDefaultDriver();
return TRUE;
}
/* Register a direct draw driver. This should be called from your init
* function. (That's why there is no locking: your init func is called from
* our DllInit, which is serialised.) */
void DDRAW_register_driver(const ddraw_driver *driver)
{
int i;
for (i = 0; i < DDRAW_num_drivers; i++)
{
if (DDRAW_drivers[i] == driver)
{
ERR("Driver reregistering %p\n", driver);
return;
}
}
if (DDRAW_num_drivers == sizeof(DDRAW_drivers)/sizeof(DDRAW_drivers[0]))
{
ERR("too many DDRAW drivers\n");
return;
}
DDRAW_drivers[DDRAW_num_drivers++] = driver;
}
/* This totally doesn't belong here. */
LONG DDRAW_width_bpp_to_pitch(DWORD width, DWORD bpp)
{
LONG pitch;
assert(bpp != 0); /* keeps happening... */
if (bpp == 15) bpp = 16;
pitch = width * (bpp / 8);
return pitch + (8 - (pitch % 8)) % 8;
}