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