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2279 lines
69 KiB
2279 lines
69 KiB
//******************************Module*Header*******************************
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// Module Name: mcd.c
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//
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// Main module for Mini Client Driver wrapper library.
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//
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// Copyright (c) 1995 Microsoft Corporation
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//**************************************************************************
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <ddrawp.h>
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#include <ddrawi.h>
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#include <windows.h>
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#include <wtypes.h>
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#include <windef.h>
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#include <wingdi.h>
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#include <winddi.h>
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#include <glp.h>
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#include <glgenwin.h>
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#include <mcdrv.h>
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#include <mcd2hack.h>
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#include <mcd.h>
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#include <mcdint.h>
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#ifdef MCD95
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#include "mcdrvint.h"
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#endif
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#include "debug.h"
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ULONG verMajor, verMinor;
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// Checks MCD version to see if the driver can accept direct buffer
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// access. Direct access was introduced in 1.1.
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#define SUPPORTS_DIRECT() \
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(verMinor >= 0x10 || verMajor > 1)
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// Checks for version 2.0 or higher
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#define SUPPORTS_20() \
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(verMajor >= 2)
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extern ULONG McdFlags;
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extern ULONG McdPrivateFlags;
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#if DBG
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extern ULONG McdDebugFlags;
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#endif
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#ifdef MCD95
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MCDRVINITFUNC pMCDrvInit = (MCDRVINITFUNC) NULL;
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MCDENGESCFILTERFUNC pMCDEngEscFilter = (MCDENGESCFILTERFUNC) NULL;
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MCDENGESCPREPFUNC pMCDEngEscPrep = (MCDENGESCPREPFUNC) NULL;
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DHPDEV gdhpdev = (DHPDEV) NULL;
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#define EXTESCAPE Mcd95EscapeBypass
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#else
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#define EXTESCAPE ExtEscape
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#endif
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#ifdef MCD95
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//
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// Local driver semaphore.
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//
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extern CRITICAL_SECTION gsemMcd;
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/******************************Public*Routine******************************\
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* Mcd95EscapeBypass
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*
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* Escape function for MCD95.
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*
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* Call via the function pointer retrieved via LoadLibrary/GetProcAddress.
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* Synchronize to the global
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*
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* History:
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* 09-Feb-1997 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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LONG WINAPI Mcd95EscapeBypass(HDC hdc, int iEscape,
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int cjIn, PVOID pvIn,
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int cjOut, PVOID pvOut)
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{
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LONG lRet = 0;
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if ((iEscape == RXFUNCS) && pMCDEngEscPrep && pMCDEngEscFilter)
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{
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MCDHDR McdHdr;
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SURFOBJ bogusSurf;
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bogusSurf.dhpdev = gdhpdev;
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EnterCriticalSection(&gsemMcd);
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//
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// Prep the MCDHDR buffer. Required before invoking
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// MCDEngEscFilter.
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//
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if ((*pMCDEngEscPrep)(sizeof(McdHdr), &McdHdr, cjIn, pvIn))
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{
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//
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// Pass to dispatch function.
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//
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(*pMCDEngEscFilter)(&bogusSurf, iEscape,
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sizeof(McdHdr), &McdHdr,
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cjOut, pvOut, (ULONG_PTR *) &lRet);
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}
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else
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{
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DBGPRINT("Mcd95EscapeBypass: MCDEngEscPrep failed\n");
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}
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LeaveCriticalSection(&gsemMcd);
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}
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return lRet;
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}
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/******************************Public*Routine******************************\
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* Mcd95DriverInit
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*
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* Initialize the MCD driver.
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*
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* History:
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* 14-Apr-1997 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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typedef enum {
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MCDRV_NEEDINIT,
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MCDRV_INITFAIL,
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MCDRV_INITOK
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} MCDRVSTATE;
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BOOL Mcd95DriverInit(HDC hdc)
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{
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HMODULE hmodMCD;
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MCDGETDRIVERNAME mcdDriverNames;
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MCDCMDI mcdCmd;
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static MCDRVSTATE McdInitState = MCDRV_NEEDINIT;
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EnterCriticalSection(&gsemMcd);
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if (McdInitState == MCDRV_NEEDINIT)
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{
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//
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// One shot at init. Assume failure for now.
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//
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McdInitState = MCDRV_INITFAIL;
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//
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// Call Escape to determine name of MCD driver DLL and the
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// name of its Init entry point.
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//
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mcdCmd.command = MCDCMD_GETDRIVERNAME;
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mcdDriverNames.ulVersion = 1;
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if ((EXTESCAPE(hdc, RXFUNCS, sizeof(mcdCmd), (char *) &mcdCmd,
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sizeof(mcdDriverNames),
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(char *) &mcdDriverNames) <= 0) ||
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(!mcdDriverNames.pchDriverName) ||
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(!mcdDriverNames.pchFuncName))
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{
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DBGPRINT("MCDGetDriverInfo: MCDCMD_GETDRIVERNAME failed\n");
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goto Mcd95DriverInit_exit;
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}
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//
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// Load the MCD driver DLL and get entry points.
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//
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if (hmodMCD = LoadLibraryA(mcdDriverNames.pchDriverName))
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{
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HMODULE hmodMCDSRV;
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//
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// Get MCDrvInit entry point first.
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//
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pMCDrvInit = (MCDRVINITFUNC)
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GetProcAddress(hmodMCD, mcdDriverNames.pchFuncName);
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if (pMCDrvInit)
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{
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//
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// Call MCDrvInit to get MCDSRV32.DLL module handle.
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//
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hmodMCDSRV = (*pMCDrvInit)(hdc, &gdhpdev);
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if (hmodMCDSRV)
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{
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//
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// Get the MCDEngEscPrep and MCDEngEscFilter entry
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// points.
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//
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pMCDEngEscPrep = (MCDENGESCPREPFUNC)
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GetProcAddress(hmodMCDSRV, MCDENGESCPREPNAME);
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pMCDEngEscFilter = (MCDENGESCFILTERFUNC)
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GetProcAddress(hmodMCDSRV, MCDENGESCFILTERNAME);
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if (pMCDEngEscPrep && pMCDEngEscFilter)
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{
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McdInitState = MCDRV_INITOK;
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}
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else
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{
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pMCDEngEscPrep = (MCDENGESCPREPFUNC) NULL;
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pMCDEngEscFilter = (MCDENGESCFILTERFUNC) NULL;
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DBGPRINT("Mcd95DriverInit: GetProcAddress failed\n");
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}
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}
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}
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else
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{
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DBGPRINT1("MCDGetDriverInfo: GetProcAddress(%s) failed\n",
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mcdDriverNames.pchFuncName);
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}
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}
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else
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{
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DBGPRINT1("MCDGetDriverInfo: LoadLibrary(%s) failed\n",
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mcdDriverNames.pchDriverName);
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}
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}
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Mcd95DriverInit_exit:
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LeaveCriticalSection(&gsemMcd);
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return (McdInitState == MCDRV_INITOK);
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}
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#endif
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//*****************************Private*Routine******************************
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//
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// InitMcdEsc
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//
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// Initializes an MCDESC_HEADER for filling in
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//
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//**************************************************************************
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// Placeholder in case any generic initialization becomes necessary
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#define InitMcdEsc(pmeh) (pmeh)
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//*****************************Private*Routine******************************
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//
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// InitMcdEscEmpty
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//
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// Initializes an MCDESC_HEADER for filling in
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//
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//**************************************************************************
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#define InitMcdEscEmpty(pmeh) \
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(InitMcdEsc(pmeh), \
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(pmeh)->hRC = NULL, \
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(pmeh)->hSharedMem = NULL, \
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(pmeh)->pSharedMem = NULL, \
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(pmeh)->dwWindow = 0, \
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(pmeh))
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//*****************************Private*Routine******************************
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//
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// InitMcdEscContext
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//
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// Initializes an MCDESC_HEADER for filling in
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//
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//**************************************************************************
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#define InitMcdEscContext(pmeh, pmctx) \
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(InitMcdEsc(pmeh), \
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(pmeh)->hRC = (pmctx)->hMCDContext, \
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(pmeh)->dwWindow = (pmctx)->dwMcdWindow, \
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(pmeh))
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//*****************************Private*Routine******************************
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//
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// InitMcdEscSurfaces
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//
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// Fills in some MCDESC_HEADER fields from context information
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//
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//**************************************************************************
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#if DBG
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extern ULONG APIENTRY glDebugEntry(int param, void *data);
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#endif
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MCDESC_HEADER *InitMcdEscSurfaces(MCDESC_HEADER *pmeh, MCDCONTEXT *pmctx)
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{
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GENMCDSTATE *pmst;
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InitMcdEscContext(pmeh, pmctx);
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// We're assuming that the context passed in is always the one
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// statically placed in the GENMCDSTATE. Attempt to verify this
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// by checking that the allocation size for the context is
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// the same as for a GENMCDSTATE.
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ASSERTOPENGL(glDebugEntry(3, pmctx) == sizeof(GENMCDSTATE),
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"InitMcdEscSurfaces: Bad context\n");
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pmst = (GENMCDSTATE *)pmctx;
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pmeh->msrfColor.hSurf = pmst->hDdColor;
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pmeh->msrfDepth.hSurf = pmst->hDdDepth;
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return pmeh;
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}
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//******************************Public*Routine******************************
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//
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// BOOL APIENTRY MCDGetDriverInfo(HDC hdc, MCDDRIVERINFOI *pMCDDriverInfo)
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//
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// Checks to determine if the device driver reports MCD capabilities.
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//
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//**************************************************************************
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BOOL APIENTRY MCDGetDriverInfo(HDC hdc, MCDDRIVERINFOI *pMCDDriverInfo)
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{
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BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDDRIVERINFOCMDI)];
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MCDESC_HEADER *pmeh;
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MCDDRIVERINFOCMDI *pInfoCmd;
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if ( !(McdPrivateFlags & MCDPRIVATE_MCD_ENABLED) )
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{
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return FALSE;
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}
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#ifdef MCD95
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if (!Mcd95DriverInit(hdc))
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{
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return FALSE;
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}
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#endif
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pmeh = InitMcdEscEmpty((MCDESC_HEADER *)(cmdBuffer));
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pmeh->flags = 0;
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pInfoCmd = (MCDDRIVERINFOCMDI *)(pmeh + 1);
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pInfoCmd->command = MCD_DRIVERINFO;
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// Force the table to empty
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memset(&pMCDDriverInfo->mcdDriver, 0, sizeof(MCDDRIVER));
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// Force the version to 0
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pMCDDriverInfo->mcdDriverInfo.verMajor = 0;
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if (!(BOOL)EXTESCAPE(hdc, MCDFUNCS,
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sizeof(cmdBuffer),
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(char *)pmeh, sizeof(MCDDRIVERINFOI),
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(char *)pMCDDriverInfo))
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return FALSE;
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// See if the driver filled in a non-null version:
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if (pMCDDriverInfo->mcdDriverInfo.verMajor != 0)
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{
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verMajor = pMCDDriverInfo->mcdDriverInfo.verMajor;
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verMinor = pMCDDriverInfo->mcdDriverInfo.verMinor;
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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//******************************Public*Routine******************************
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//
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// LONG APIENTRY MCDDescribeMcdPixelFormat(HDC hdc,
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// LONG iPixelFormat,
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// MCDPIXELFORMAT *ppfd)
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//
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// Returns information about the specified hardware-dependent pixel format.
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//
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//**************************************************************************
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LONG APIENTRY MCDDescribeMcdPixelFormat(HDC hdc, LONG iPixelFormat,
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MCDPIXELFORMAT *pMcdPixelFmt)
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{
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LONG lRet = 0;
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BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDPIXELFORMATCMDI)];
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MCDESC_HEADER *pmeh;
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MCDPIXELFORMATCMDI *pPixelFmtCmd;
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if ( !(McdPrivateFlags & MCDPRIVATE_PALETTEFORMATS) &&
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((GetDeviceCaps(hdc, BITSPIXEL) * GetDeviceCaps(hdc, PLANES)) == 8) &&
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(GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) )
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{
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return lRet;
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}
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pmeh = InitMcdEscEmpty((MCDESC_HEADER *)(cmdBuffer));
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pmeh->flags = 0;
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pPixelFmtCmd = (MCDPIXELFORMATCMDI *)(pmeh + 1);
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pPixelFmtCmd->command = MCD_DESCRIBEPIXELFORMAT;
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pPixelFmtCmd->iPixelFormat = iPixelFormat;
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lRet = (LONG)EXTESCAPE(hdc, MCDFUNCS,
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sizeof(cmdBuffer),
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(char *)pmeh, sizeof(MCDPIXELFORMAT),
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(char *)pMcdPixelFmt);
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// Limit overlay/underlay planes to 15 each (as per spec).
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if (pMcdPixelFmt)
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{
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if (pMcdPixelFmt->cOverlayPlanes > 15)
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pMcdPixelFmt->cOverlayPlanes = 15;
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if (pMcdPixelFmt->cUnderlayPlanes > 15)
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pMcdPixelFmt->cUnderlayPlanes = 15;
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}
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return lRet;
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}
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//******************************Public*Routine******************************
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//
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// LONG APIENTRY MCDDescribePixelFormat(HDC hdc,
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// LONG iPixelFormat,
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// LPPIXELFORMATDESCRIPTOR ppfd)
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//
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// Returns a PIXELFORMATDESCRIPTOR describing the specified hardware-dependent
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// pixel format.
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//
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//**************************************************************************
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#define STANDARD_MCD_FLAGS \
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(PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_GENERIC_FORMAT | \
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PFD_GENERIC_ACCELERATED)
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LONG APIENTRY MCDDescribePixelFormat(HDC hdc, LONG iPixelFormat,
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LPPIXELFORMATDESCRIPTOR ppfd)
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{
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LONG lRet = 0;
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MCDPIXELFORMAT mcdPixelFmt;
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lRet = MCDDescribeMcdPixelFormat(hdc, iPixelFormat,
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ppfd ? &mcdPixelFmt : NULL);
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if (ppfd && lRet)
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{
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ppfd->nSize = sizeof(*ppfd);
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ppfd->nVersion = 1;
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ppfd->dwFlags = mcdPixelFmt.dwFlags | STANDARD_MCD_FLAGS |
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((mcdPixelFmt.dwFlags & PFD_DOUBLEBUFFER) ?
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0 : PFD_SUPPORT_GDI);
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if (McdPrivateFlags & MCDPRIVATE_EMULATEICD)
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ppfd->dwFlags &= ~PFD_GENERIC_FORMAT;
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memcpy(&ppfd->iPixelType, &mcdPixelFmt.iPixelType,
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offsetof(MCDPIXELFORMAT, cDepthBits) -
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offsetof(MCDPIXELFORMAT, iPixelType));
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ppfd->cDepthBits = mcdPixelFmt.cDepthBits;
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if (ppfd->iPixelType == PFD_TYPE_RGBA)
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{
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if (ppfd->cColorBits < 8)
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{
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ppfd->cAccumBits = 16;
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ppfd->cAccumRedBits = 5;
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ppfd->cAccumGreenBits = 6;
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ppfd->cAccumBlueBits = 5;
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ppfd->cAccumAlphaBits = 0;
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}
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else
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{
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if (ppfd->cColorBits <= 16)
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{
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ppfd->cAccumBits = 32;
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ppfd->cAccumRedBits = 11;
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ppfd->cAccumGreenBits = 11;
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ppfd->cAccumBlueBits = 10;
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ppfd->cAccumAlphaBits = 0;
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}
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else
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{
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ppfd->cAccumBits = 64;
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ppfd->cAccumRedBits = 16;
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ppfd->cAccumGreenBits = 16;
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ppfd->cAccumBlueBits = 16;
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ppfd->cAccumAlphaBits = 0;
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}
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}
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}
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else
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{
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ppfd->cAccumBits = 0;
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ppfd->cAccumRedBits = 0;
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ppfd->cAccumGreenBits = 0;
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ppfd->cAccumBlueBits = 0;
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ppfd->cAccumAlphaBits = 0;
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}
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if (mcdPixelFmt.cStencilBits)
|
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{
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ppfd->cStencilBits = mcdPixelFmt.cStencilBits;
|
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}
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else
|
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{
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if (McdPrivateFlags & MCDPRIVATE_USEGENERICSTENCIL)
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ppfd->cStencilBits = 8;
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else
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ppfd->cStencilBits = 0;
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}
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ppfd->cAuxBuffers = 0;
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ppfd->iLayerType = PFD_MAIN_PLANE;
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ppfd->bReserved = (BYTE) (mcdPixelFmt.cOverlayPlanes |
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(mcdPixelFmt.cUnderlayPlanes << 4));
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ppfd->dwLayerMask = 0;
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ppfd->dwVisibleMask = mcdPixelFmt.dwTransparentColor;
|
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ppfd->dwDamageMask = 0;
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}
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return lRet;
|
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}
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|
|
|
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//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDCreateContext(MCDCONTEXT *pMCDContext,
|
|
// MCDRCINFO *pRcInfo,
|
|
// GLSURF *pgsurf,
|
|
// ULONG flags)
|
|
//
|
|
// Creates an MCD rendering context for the specified hdc/hwnd according
|
|
// to the specified flags.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDCreateContext(MCDCONTEXT *pMCDContext,
|
|
MCDRCINFOPRIV *pRcInfo,
|
|
GLSURF *pgsurf,
|
|
int ipfd,
|
|
ULONG flags)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDCREATECONTEXT)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDCREATECONTEXT *pmcc;
|
|
|
|
if (flags & MCDSURFACE_HWND)
|
|
{
|
|
// We don't have surfaces to pass in this case
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->flags = MCDESC_FL_CREATE_CONTEXT;
|
|
}
|
|
else if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->flags = MCDESC_FL_CREATE_CONTEXT | MCDESC_FL_SURFACES;
|
|
}
|
|
else
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
|
|
pmcc = (MCDCREATECONTEXT *)(pmeh + 1);
|
|
|
|
if (flags & MCDSURFACE_HWND)
|
|
{
|
|
pmcc->escCreate.hwnd = pgsurf->hwnd;
|
|
}
|
|
else
|
|
{
|
|
pmcc->escCreate.hwnd = NULL;
|
|
}
|
|
pmcc->escCreate.flags = flags;
|
|
|
|
pmcc->ipfd = ipfd;
|
|
pmcc->iLayer = pgsurf->iLayer;
|
|
pmcc->mcdFlags = McdFlags;
|
|
pmcc->pRcInfo = pRcInfo;
|
|
|
|
pMCDContext->hMCDContext =
|
|
(MCDHANDLE)IntToPtr( EXTESCAPE(pgsurf->hdc, MCDFUNCS,
|
|
sizeof(MCDESC_HEADER) + sizeof(MCDCREATECONTEXT),
|
|
(char *)cmdBuffer, sizeof(MCDRCINFOPRIV),
|
|
(char *)pRcInfo) );
|
|
|
|
pMCDContext->hdc = pgsurf->hdc;
|
|
pMCDContext->dwMcdWindow = pRcInfo->dwMcdWindow;
|
|
|
|
return (pMCDContext->hMCDContext != (HANDLE)NULL);
|
|
}
|
|
|
|
#define MCD_MEM_ALIGN 32
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// UCHAR * APIENTRY MCDAlloc(MCDCONTEXT *pMCDContext,
|
|
// ULONG numBytes,
|
|
// MCDHANDLE *pMCDHandle,
|
|
// ULONG flags);
|
|
//
|
|
// Allocate a chunk of shared memory to use for vertex and pixel data.
|
|
//
|
|
// The return value is a pointer to a shared memory region which can be
|
|
// subsequently used by the caller. For vertex processing, caller should
|
|
// use MCDLockMemory()/MCDUnlockMemory to serialize hardware access to the
|
|
// memory.
|
|
//
|
|
//**************************************************************************
|
|
|
|
UCHAR * APIENTRY MCDAlloc(MCDCONTEXT *pMCDContext, ULONG numBytes,
|
|
HANDLE *pMCDHandle, ULONG flags)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDALLOCCMDI)];
|
|
ULONG outBuffer;
|
|
ULONG totalSize = numBytes + MCD_MEM_ALIGN + sizeof(MCDMEMHDRI);
|
|
MCDALLOCCMDI *pCmdAlloc;
|
|
MCDESC_HEADER *pmeh;
|
|
VOID *pResult;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
UCHAR *pBase;
|
|
UCHAR *pAlign;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmdAlloc = (MCDALLOCCMDI *)(pmeh + 1);
|
|
pCmdAlloc->command = MCD_ALLOC;
|
|
pCmdAlloc->sourceProcessID = GetCurrentProcessId();
|
|
pCmdAlloc->numBytes = totalSize;
|
|
pCmdAlloc->flags = flags;
|
|
|
|
pBase = (UCHAR *)IntToPtr( EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 4, (char *)pMCDHandle) );
|
|
|
|
if (!pBase)
|
|
return (VOID *)NULL;
|
|
|
|
pAlign = (UCHAR *)(((ULONG_PTR)(pBase + sizeof(MCDMEMHDRI)) +
|
|
(MCD_MEM_ALIGN - 1)) &
|
|
~(MCD_MEM_ALIGN - 1));
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)(pAlign - sizeof(MCDMEMHDRI));
|
|
|
|
pMCDMemHdr->flags = 0;
|
|
pMCDMemHdr->numBytes = numBytes;
|
|
pMCDMemHdr->pMaxMem = (VOID *)((char *)pMCDMemHdr + totalSize);
|
|
pMCDMemHdr->hMCDMem = *pMCDHandle;
|
|
pMCDMemHdr->pBase = pBase;
|
|
|
|
return (VOID *)(pAlign);
|
|
}
|
|
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDFree(MCDCONTEXT *pMCDContext,
|
|
// VOID *pMem);
|
|
//
|
|
// Frees a chunk of driver-allocated shared memory.
|
|
//
|
|
// Returns TRUE for success, FALSE for failure.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDFree(MCDCONTEXT *pMCDContext, VOID *pMCDMem)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDFREECMDI)];
|
|
MCDFREECMDI *pCmdFree;
|
|
MCDESC_HEADER *pmeh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
|
|
#ifdef MCD95
|
|
//
|
|
// Driver already shutdown, therefore memory already deleted.
|
|
//
|
|
|
|
if (!pMCDEngEscFilter)
|
|
return TRUE;
|
|
#endif
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmdFree = (MCDFREECMDI *)(pmeh + 1);
|
|
pCmdFree->command = MCD_FREE;
|
|
pCmdFree->hMCDMem = pMCDMemHdr->hMCDMem;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// VOID APIENTRY MCDBeginState(MCDCONTEXT *pMCDContext, VOID *pMCDMem);
|
|
//
|
|
// Begins a batch of state commands to issue to the driver.
|
|
//
|
|
//**************************************************************************
|
|
|
|
VOID APIENTRY MCDBeginState(MCDCONTEXT *pMCDContext, VOID *pMCDMem)
|
|
{
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
MCDSTATECMDI *pMCDStateCmd;
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
|
|
pMCDStateCmd->command = MCD_STATE;
|
|
pMCDStateCmd->numStates = 0;
|
|
pMCDStateCmd->pNextState = (MCDSTATE *)(pMCDStateCmd + 1);
|
|
pMCDStateCmd->pMaxState = (MCDSTATE *)(pMCDMemHdr->pMaxMem);
|
|
|
|
pMCDMemHdr->pMCDContext = pMCDContext;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDFlushState(VOID pMCDMem);
|
|
//
|
|
// Flushes a batch of state commands to the driver.
|
|
//
|
|
// Returns TRUE for success, FALSE for failure.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDFlushState(VOID *pMCDMem)
|
|
{
|
|
MCDESC_HEADER meh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
MCDSTATECMDI *pMCDStateCmd;
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
|
|
InitMcdEscContext(&meh, pMCDMemHdr->pMCDContext);
|
|
meh.hSharedMem = pMCDMemHdr->hMCDMem;
|
|
meh.pSharedMem = (char *)pMCDMem;
|
|
meh.sharedMemSize = (ULONG)((char *)pMCDStateCmd->pNextState -
|
|
(char *)pMCDStateCmd);
|
|
meh.flags = 0;
|
|
|
|
if (!meh.sharedMemSize)
|
|
return TRUE;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDMemHdr->pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(MCDESC_HEADER), (char *)&meh,
|
|
0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDAddState(VOID *pMCDMem, ULONG stateToChange,
|
|
// ULONG stateValue);
|
|
//
|
|
// Adds a state to a state buffer (started with MCDBeginState). If there
|
|
// is no room in the state stream (i.e., the memory buffer), the current
|
|
// batch of state commands is automatically flushed.
|
|
//
|
|
//
|
|
// Returns TRUE for success, FALSE for failure. A FALSE return will occur
|
|
// if an automatic flush is performed which fails.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDAddState(VOID *pMCDMem, ULONG stateToChange,
|
|
ULONG stateValue)
|
|
{
|
|
MCDSTATECMDI *pMCDStateCmd;
|
|
MCDSTATE *pState;
|
|
BOOL retVal = TRUE;
|
|
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
|
|
if (((char *)pMCDStateCmd->pNextState + sizeof(MCDSTATE)) >=
|
|
(char *)pMCDStateCmd->pMaxState) {
|
|
|
|
MCDMEMHDRI *pMCDMemHdr = (MCDMEMHDRI *)
|
|
((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
retVal = MCDFlushState(pMCDMem);
|
|
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
pMCDStateCmd->command = MCD_STATE;
|
|
pMCDStateCmd->numStates = 0;
|
|
pMCDStateCmd->pNextState = (MCDSTATE *)(pMCDStateCmd + 1);
|
|
pMCDStateCmd->pMaxState = (MCDSTATE *)(pMCDMemHdr->pMaxMem);
|
|
}
|
|
|
|
pMCDStateCmd->numStates++;
|
|
pState = pMCDStateCmd->pNextState;
|
|
pState->size = sizeof(MCDSTATE);
|
|
pState->state = stateToChange;
|
|
pState->stateValue = stateValue;
|
|
pMCDStateCmd->pNextState++;
|
|
|
|
return retVal;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDAddStateStruct(VOID *pMCDMem, ULONG stateToChange,
|
|
// VOID *pStateValue, ULONG stateValueSize)
|
|
//
|
|
//
|
|
// Adds a state structure to a state buffer (started with MCDBeginState). If
|
|
// there is no room in the state stream (i.e., the memory buffer), the current
|
|
// batch of state commands is automatically flushed.
|
|
//
|
|
//
|
|
// Returns TRUE for success, FALSE for failure. A FALSE return will occur
|
|
// if an automatic flush is performed which fails.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDAddStateStruct(VOID *pMCDMem, ULONG stateToChange,
|
|
VOID *pStateValue, ULONG stateValueSize)
|
|
{
|
|
MCDSTATECMDI *pMCDStateCmd;
|
|
MCDSTATE *pState;
|
|
BOOL retVal = FALSE;
|
|
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
|
|
if (((char *)pMCDStateCmd->pNextState + stateValueSize) >=
|
|
(char *)pMCDStateCmd->pMaxState) {
|
|
|
|
MCDMEMHDRI *pMCDMemHdr = (MCDMEMHDRI *)
|
|
((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
retVal = MCDFlushState(pMCDMem);
|
|
|
|
pMCDStateCmd = (MCDSTATECMDI *)pMCDMem;
|
|
pMCDStateCmd->command = MCD_STATE;
|
|
pMCDStateCmd->numStates = 0;
|
|
pMCDStateCmd->pNextState = (MCDSTATE *)(pMCDStateCmd + 1);
|
|
pMCDStateCmd->pMaxState = (MCDSTATE *)(pMCDMemHdr->pMaxMem);
|
|
}
|
|
|
|
pMCDStateCmd->numStates++;
|
|
pState = pMCDStateCmd->pNextState;
|
|
pState->state = stateToChange;
|
|
pState->size = offsetof(MCDSTATE, stateValue) + stateValueSize;
|
|
memcpy((char *)&pState->stateValue, (char *)pStateValue, stateValueSize);
|
|
pMCDStateCmd->pNextState =
|
|
(MCDSTATE *)(((char *)pMCDStateCmd->pNextState) + pState->size);
|
|
|
|
return retVal;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDSetViewport(MCDCONTEXT *pMCDContext, VOID pMCDMem,
|
|
// MCDVIEWPORT pMCDViewport)
|
|
//
|
|
// Establishes the viewport scaling to convert transformed coordinates to
|
|
// screen coordinates.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDSetViewport(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
|
|
MCDVIEWPORT *pMCDViewport)
|
|
{
|
|
MCDESC_HEADER meh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
MCDVIEWPORTCMDI *pMCDViewportCmd;
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
pMCDViewportCmd = (MCDVIEWPORTCMDI *)pMCDMem;
|
|
|
|
pMCDViewportCmd->MCDViewport = *pMCDViewport;
|
|
pMCDViewportCmd->command = MCD_VIEWPORT;
|
|
|
|
InitMcdEscContext(&meh, pMCDContext);
|
|
meh.hSharedMem = pMCDMemHdr->hMCDMem;
|
|
meh.pSharedMem = (char *)pMCDMem;
|
|
meh.sharedMemSize = sizeof(MCDVIEWPORTCMDI);
|
|
meh.flags = 0;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(MCDESC_HEADER), (char *)&meh,
|
|
0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG APIENTRY MCDQueryMemStatus((VOID *pMCDMem);
|
|
//
|
|
// Returns the status of the specified memory block. Return values are:
|
|
//
|
|
// MCD_MEM_READY - memory is available for client access
|
|
// MCD_MEM_BUSY - memory is busy due to driver access
|
|
// MCD_MEM_INVALID - queried memory is invalid
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDQueryMemStatus(VOID *pMCDMem)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDMEMSTATUSCMDI)];
|
|
MCDMEMHDRI *pMCDMemHdr =
|
|
(MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
MCDMEMSTATUSCMDI *pCmdMemStatus;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
#ifdef MCD95
|
|
//
|
|
// Driver already shutdown, therefore memory already deleted.
|
|
//
|
|
|
|
if (!pMCDEngEscFilter)
|
|
return MCD_MEM_INVALID;
|
|
#endif
|
|
|
|
pmeh = InitMcdEscEmpty((MCDESC_HEADER *)(cmdBuffer));
|
|
pmeh->flags = 0;
|
|
|
|
pCmdMemStatus = (MCDMEMSTATUSCMDI *)(pmeh + 1);
|
|
pCmdMemStatus->command = MCD_QUERYMEMSTATUS;
|
|
pCmdMemStatus->hMCDMem = pMCDMemHdr->hMCDMem;
|
|
|
|
return (ULONG)EXTESCAPE(pMCDMemHdr->pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDProcessBatch(MCDCONTEXT *pMCDContext, VOID pMCDMem,
|
|
// ULONG batchSize, VOID *pMCDFirstCmd)
|
|
//
|
|
// Processes a batch of primitives pointed to by pMCDMem.
|
|
//
|
|
// Returns TRUE if the batch was processed without error, FALSE otherwise.
|
|
//
|
|
//**************************************************************************
|
|
|
|
PVOID APIENTRY MCDProcessBatch(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
|
|
ULONG batchSize, VOID *pMCDFirstCmd,
|
|
int cExtraSurfaces,
|
|
LPDIRECTDRAWSURFACE *pdds)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + MCD_MAXMIPMAPLEVEL*sizeof(DWORD)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
int i;
|
|
ULONG_PTR *pdwSurf;
|
|
|
|
#if DBG
|
|
if (McdDebugFlags & MCDDEBUG_DISABLE_PROCBATCH)
|
|
{
|
|
MCDSync(pMCDContext);
|
|
return pMCDFirstCmd;
|
|
}
|
|
#endif
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->hSharedMem = pMCDMemHdr->hMCDMem;
|
|
pmeh->pSharedMem = (char *)pMCDFirstCmd;
|
|
pmeh->sharedMemSize = batchSize;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK | MCDESC_FL_BATCH;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES | MCDESC_FL_LOCK_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL ||
|
|
cExtraSurfaces != 0)
|
|
{
|
|
return pMCDFirstCmd;
|
|
}
|
|
|
|
// Assert that we won't exceed the kernel's expectations
|
|
ASSERTOPENGL(MCD_MAXMIPMAPLEVEL <= MCDESC_MAX_LOCK_SURFACES,
|
|
"MCD_MAXMIPMAPLEVEL too large\n");
|
|
|
|
pmeh->cLockSurfaces = cExtraSurfaces;
|
|
pdwSurf = (ULONG_PTR *)(pmeh+1);
|
|
for (i = 0; i < cExtraSurfaces; i++)
|
|
{
|
|
*pdwSurf++ = ((LPDDRAWI_DDRAWSURFACE_INT)pdds[i])->lpLcl->hDDSurface;
|
|
}
|
|
|
|
return (PVOID)IntToPtr( EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL) );
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDReadSpan(MCDCONTEXT *pMCDContext, VOID pMCDMem,
|
|
// ULONG x, ULONG y, ULONG numPixels, ULONG type)
|
|
//
|
|
// Reads a span of pixel data from the buffer requested by "type".
|
|
// The pixel values are returned in pMCDMem.
|
|
//
|
|
// Returns TRUE for success, FALSE for failure.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDReadSpan(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
|
|
ULONG x, ULONG y, ULONG numPixels, ULONG type)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSPANCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
MCDSPANCMDI *pMCDSpanCmd;
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->sharedMemSize = 0;
|
|
pmeh->flags = 0;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
pMCDSpanCmd = (MCDSPANCMDI *)(pmeh + 1);
|
|
|
|
pMCDSpanCmd->command = MCD_READSPAN;
|
|
pMCDSpanCmd->hMem = pMCDMemHdr->hMCDMem;
|
|
pMCDSpanCmd->MCDSpan.x = x;
|
|
pMCDSpanCmd->MCDSpan.y = y;
|
|
pMCDSpanCmd->MCDSpan.numPixels = numPixels;
|
|
pMCDSpanCmd->MCDSpan.type = type;
|
|
pMCDSpanCmd->MCDSpan.pPixels = (VOID *)((char *)pMCDMem);
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDWriteSpan(MCDCONTEXT *pMCDContext, VOID pMCDMem,
|
|
// ULONG x, ULONG y, ULONG numPixels, ULONG type)
|
|
//
|
|
// Writes a span of pixel data to the buffer requested by "type".
|
|
// The pixel values are given in pMCDMem.
|
|
//
|
|
// Returns TRUE for success, FALSE for failure.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDWriteSpan(MCDCONTEXT *pMCDContext, VOID *pMCDMem,
|
|
ULONG x, ULONG y, ULONG numPixels, ULONG type)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSPANCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDMEMHDRI *pMCDMemHdr;
|
|
MCDSPANCMDI *pMCDSpanCmd;
|
|
|
|
pMCDMemHdr = (MCDMEMHDRI *)((char *)pMCDMem - sizeof(MCDMEMHDRI));
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->sharedMemSize = 0;
|
|
pmeh->flags = 0;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
pMCDSpanCmd = (MCDSPANCMDI *)(pmeh + 1);
|
|
|
|
pMCDSpanCmd->command = MCD_WRITESPAN;
|
|
pMCDSpanCmd->hMem = pMCDMemHdr->hMCDMem;
|
|
pMCDSpanCmd->MCDSpan.x = x;
|
|
pMCDSpanCmd->MCDSpan.y = y;
|
|
pMCDSpanCmd->MCDSpan.numPixels = numPixels;
|
|
pMCDSpanCmd->MCDSpan.type = type;
|
|
pMCDSpanCmd->MCDSpan.pPixels = (VOID *)((char *)pMCDMem);
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDClear(MCDCONTEXT *pMCDContext, RECTL rect, ULONG buffers);
|
|
//
|
|
// Clears buffers specified for the given rectangle. The current fill values
|
|
// will be used.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDClear(MCDCONTEXT *pMCDContext, RECTL rect, ULONG buffers)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDCLEARCMDI)];
|
|
MCDCLEARCMDI *pClearCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
#if DBG
|
|
if (McdDebugFlags & MCDDEBUG_DISABLE_CLEAR)
|
|
{
|
|
MCDSync(pMCDContext);
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
pClearCmd = (MCDCLEARCMDI *)(pmeh + 1);
|
|
pClearCmd->command = MCD_CLEAR;
|
|
pClearCmd->buffers = buffers;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDSetScissorRect(MCDCONTEXT *pMCDContext, RECTL *pRect,
|
|
// BOOL bEnabled);
|
|
//
|
|
// Sets the scissor rectangle.
|
|
//
|
|
//**************************************************************************
|
|
|
|
//!! Need semaphore to remove display lock !!
|
|
|
|
BOOL APIENTRY MCDSetScissorRect(MCDCONTEXT *pMCDContext, RECTL *pRect,
|
|
BOOL bEnabled)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSCISSORCMDI)];
|
|
MCDSCISSORCMDI *pScissorCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pScissorCmd = (MCDSCISSORCMDI *)(pmeh + 1);
|
|
pScissorCmd->command = MCD_SCISSOR;
|
|
pScissorCmd->rect = *pRect;
|
|
pScissorCmd->bEnabled = bEnabled;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDSwap(MCDCONTEXT *pMCDContext, ULONG flags);
|
|
//
|
|
// Swaps the front and back buffers.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDSwap(MCDCONTEXT *pMCDContext, ULONG flags)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSWAPCMDI)];
|
|
MCDSWAPCMDI *pSwapCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
// InitMcdEscSurfaces cannot be used because the context given
|
|
// is a temporary one constructed on the fly since SwapBuffers
|
|
// has only surface information.
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
|
|
// Swap cannot be called on DirectDraw surfaces because DirectDraw
|
|
// contexts cannot be double-buffered. These handles can therefore
|
|
// be forced to NULL.
|
|
pmeh->msrfColor.hSurf = NULL;
|
|
pmeh->msrfDepth.hSurf = NULL;
|
|
|
|
#ifdef MCD95
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK | MCDESC_FL_SWAPBUFFER;
|
|
#else
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
#endif
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
|
|
pSwapCmd = (MCDSWAPCMDI *)(pmeh + 1);
|
|
pSwapCmd->command = MCD_SWAP;
|
|
pSwapCmd->flags = flags;
|
|
#ifdef MCD95
|
|
pSwapCmd->hwnd = WindowFromDC(pMCDContext->hdc);
|
|
#endif
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDDeleteContext(MCDCONTEXT *pMCDContext);
|
|
//
|
|
// Deletes the specified context. This will free the buffers associated with
|
|
// the context, but will *not* free memory or textures created with the
|
|
// context.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDDeleteContext(MCDCONTEXT *pMCDContext)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDDELETERCCMDI)];
|
|
MCDDELETERCCMDI *pDeleteRcCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pDeleteRcCmd = (MCDDELETERCCMDI *)(pmeh + 1);
|
|
pDeleteRcCmd->command = MCD_DELETERC;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDAllocBuffers(MCDCONTEXT *pMCDContext)
|
|
//
|
|
// Allocates the buffers required for the specified context.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDAllocBuffers(MCDCONTEXT *pMCDContext, RECTL *pWndRect)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDALLOCBUFFERSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDALLOCBUFFERSCMDI *pAllocBuffersCmd;
|
|
|
|
#if DBG
|
|
if (McdDebugFlags & MCDDEBUG_DISABLE_ALLOCBUF)
|
|
{
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pAllocBuffersCmd = (MCDALLOCBUFFERSCMDI *)(pmeh + 1);
|
|
pAllocBuffersCmd->command = MCD_ALLOCBUFFERS;
|
|
pAllocBuffersCmd->WndRect = *pWndRect;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDGetBuffers(MCDCONTEXT *pMCDContext,
|
|
// MCDRECTBUFFERS *pMCDBuffers);
|
|
//
|
|
// Returns information about the buffers (front, back, and depth) associated
|
|
// with the specified context.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDGetBuffers(MCDCONTEXT *pMCDContext,
|
|
MCDRECTBUFFERS *pMCDBuffers)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDGETBUFFERSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDGETBUFFERSCMDI *pGetBuffersCmd;
|
|
|
|
#if DBG
|
|
if (McdDebugFlags & MCDDEBUG_DISABLE_GETBUF)
|
|
{
|
|
if (pMCDBuffers)
|
|
{
|
|
pMCDBuffers->mcdFrontBuf.bufFlags &= ~MCDBUF_ENABLED;
|
|
pMCDBuffers->mcdBackBuf.bufFlags &= ~MCDBUF_ENABLED;
|
|
pMCDBuffers->mcdDepthBuf.bufFlags &= ~MCDBUF_ENABLED;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pGetBuffersCmd = (MCDGETBUFFERSCMDI *)(pmeh + 1);
|
|
pGetBuffersCmd->command = MCD_GETBUFFERS;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, sizeof(MCDRECTBUFFERS),
|
|
(char *)pMCDBuffers);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG MCDLock();
|
|
//
|
|
// Grab the MCD synchronization lock.
|
|
//
|
|
//**************************************************************************
|
|
|
|
static ULONG __MCDLockRequest(MCDCONTEXT *pMCDContext, ULONG tid)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDLOCKCMDI)];
|
|
MCDLOCKCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDLOCKCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_LOCK;
|
|
|
|
return EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
ULONG APIENTRY MCDLock(MCDCONTEXT *pMCDContext)
|
|
{
|
|
ULONG ulRet;
|
|
ULONG tid;
|
|
|
|
tid = GetCurrentThreadId();
|
|
|
|
do
|
|
{
|
|
ulRet = __MCDLockRequest(pMCDContext, tid);
|
|
if (ulRet == MCD_LOCK_BUSY)
|
|
Sleep(0);
|
|
}
|
|
while (ulRet == MCD_LOCK_BUSY);
|
|
|
|
return ulRet;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// VOID MCDUnlock();
|
|
//
|
|
// Release the MCD synchronization lock.
|
|
//
|
|
//**************************************************************************
|
|
|
|
VOID APIENTRY MCDUnlock(MCDCONTEXT *pMCDContext)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDLOCKCMDI)];
|
|
MCDLOCKCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDLOCKCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_UNLOCK;
|
|
|
|
EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// VOID MCDBindContext();
|
|
//
|
|
// Bind a new window to the specified context.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDBindContext(MCDCONTEXT *pMCDContext, HDC hdc,
|
|
GLGENwindow *pwnd)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDBINDCONTEXTCMDI)];
|
|
MCDBINDCONTEXTCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
ULONG_PTR dwMcdWindow;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->dwWindow = pwnd->dwMcdWindow;
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDBINDCONTEXTCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_BINDCONTEXT;
|
|
pCmd->hWnd = pwnd->gwid.hwnd;
|
|
|
|
dwMcdWindow = EXTESCAPE(hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
if (dwMcdWindow != 0)
|
|
{
|
|
pMCDContext->hdc = hdc;
|
|
pMCDContext->dwMcdWindow = dwMcdWindow;
|
|
if (pwnd->dwMcdWindow == 0)
|
|
{
|
|
// Save MCD server-side window handle in the GENwindow
|
|
pwnd->dwMcdWindow = dwMcdWindow;
|
|
}
|
|
else
|
|
{
|
|
ASSERTOPENGL(pwnd->dwMcdWindow == dwMcdWindow,
|
|
"dwMcdWindow mismatch\n");
|
|
}
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL MCDSync();
|
|
//
|
|
// Synchronizes the 3D hardware.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDSync(MCDCONTEXT *pMCDContext)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSYNCCMDI)];
|
|
MCDSYNCCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDSYNCCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_SYNC;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// MCDHANDLE MCDCreateTexture();
|
|
//
|
|
// Creates and loads a texture on the MCD device.
|
|
//
|
|
//**************************************************************************
|
|
|
|
MCDHANDLE APIENTRY MCDCreateTexture(MCDCONTEXT *pMCDContext,
|
|
MCDTEXTUREDATA *pTexData,
|
|
ULONG flags,
|
|
VOID *pSurface)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDCREATETEXCMDI)];
|
|
MCDCREATETEXCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pCmd = (MCDCREATETEXCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_CREATE_TEXTURE;
|
|
pCmd->pTexData = pTexData;
|
|
pCmd->flags = flags;
|
|
pCmd->pSurface = pSurface;
|
|
|
|
return (MCDHANDLE)IntToPtr( EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL) );
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDDeleteTexture(MCDCONTEXT *pMCDContext,
|
|
// MCDHANDLE hMCDTexture);
|
|
//
|
|
// Deletes the specified texture. This will free the device memory associated
|
|
// with the texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDDeleteTexture(MCDCONTEXT *pMCDContext, MCDHANDLE hTex)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDDELETETEXCMDI)];
|
|
MCDDELETETEXCMDI *pDeleteTexCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
#ifdef MCD95
|
|
//
|
|
// Driver already shutdown, therefore memory already deleted.
|
|
//
|
|
|
|
if (!pMCDEngEscFilter)
|
|
return MCD_MEM_INVALID;
|
|
#endif
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pDeleteTexCmd = (MCDDELETETEXCMDI *)(pmeh + 1);
|
|
pDeleteTexCmd->command = MCD_DELETE_TEXTURE;
|
|
pDeleteTexCmd->hTex = hTex;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL MCDUpdateSubTexture();
|
|
//
|
|
// Updates a texture (or region of a texture).
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDUpdateSubTexture(MCDCONTEXT *pMCDContext,
|
|
MCDTEXTUREDATA *pTexData, MCDHANDLE hTex,
|
|
ULONG lod, RECTL *pRect)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDUPDATESUBTEXCMDI)];
|
|
MCDUPDATESUBTEXCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pCmd = (MCDUPDATESUBTEXCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_UPDATE_SUB_TEXTURE;
|
|
pCmd->hTex = hTex;
|
|
pCmd->pTexData = pTexData;
|
|
pCmd->lod = lod;
|
|
pCmd->rect = *pRect;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL MCDUpdateTexturePalette();
|
|
//
|
|
// Updates the palette for the specified texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDUpdateTexturePalette(MCDCONTEXT *pMCDContext,
|
|
MCDTEXTUREDATA *pTexData, MCDHANDLE hTex,
|
|
ULONG start, ULONG numEntries)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDUPDATETEXPALETTECMDI)];
|
|
MCDUPDATETEXPALETTECMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pCmd = (MCDUPDATETEXPALETTECMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_UPDATE_TEXTURE_PALETTE;
|
|
pCmd->hTex = hTex;
|
|
pCmd->pTexData = pTexData;
|
|
pCmd->start = start;
|
|
pCmd->numEntries = numEntries;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL MCDUpdateTexturePriority();
|
|
//
|
|
// Updates the priority for the specified texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDUpdateTexturePriority(MCDCONTEXT *pMCDContext,
|
|
MCDTEXTUREDATA *pTexData,
|
|
MCDHANDLE hTex)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDUPDATETEXPRIORITYCMDI)];
|
|
MCDUPDATETEXPRIORITYCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pCmd = (MCDUPDATETEXPRIORITYCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_UPDATE_TEXTURE_PRIORITY;
|
|
pCmd->hTex = hTex;
|
|
pCmd->pTexData = pTexData;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL MCDUpdateTextureStata();
|
|
//
|
|
// Updates the state for the specified texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDUpdateTextureState(MCDCONTEXT *pMCDContext,
|
|
MCDTEXTUREDATA *pTexData,
|
|
MCDHANDLE hTex)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDUPDATETEXSTATECMDI)];
|
|
MCDUPDATETEXSTATECMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pCmd = (MCDUPDATETEXSTATECMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_UPDATE_TEXTURE_STATE;
|
|
pCmd->hTex = hTex;
|
|
pCmd->pTexData = pTexData;
|
|
|
|
return (BOOL)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG MCDTextureStatus();
|
|
//
|
|
// Returns the status for the specified texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDTextureStatus(MCDCONTEXT *pMCDContext, MCDHANDLE hTex)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDTEXSTATUSCMDI)];
|
|
MCDTEXSTATUSCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDTEXSTATUSCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_TEXTURE_STATUS;
|
|
pCmd->hTex = hTex;
|
|
|
|
return (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG MCDTextureKey();
|
|
//
|
|
// Returns the driver-managed "key" for the specified texture.
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDTextureKey(MCDCONTEXT *pMCDContext, MCDHANDLE hTex)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDTEXKEYCMDI)];
|
|
MCDTEXKEYCMDI *pCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pCmd = (MCDTEXKEYCMDI *)(pmeh + 1);
|
|
pCmd->command = MCD_GET_TEXTURE_KEY;
|
|
pCmd->hTex = hTex;
|
|
|
|
return (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDDescribeMcdLayerPlane(HDC hdc, LONG iPixelFormat,
|
|
// LONG iLayerPlane,
|
|
// MCDLAYERPLANE *pMcdPixelFmt)
|
|
//
|
|
// Returns hardware specific information about the specified layer plane.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDDescribeMcdLayerPlane(HDC hdc, LONG iPixelFormat,
|
|
LONG iLayerPlane,
|
|
MCDLAYERPLANE *pMcdLayer)
|
|
{
|
|
BOOL bRet = FALSE;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDLAYERPLANECMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDLAYERPLANECMDI *pLayerPlaneCmd;
|
|
|
|
pmeh = InitMcdEscEmpty((MCDESC_HEADER *)(cmdBuffer));
|
|
pmeh->flags = 0;
|
|
|
|
pLayerPlaneCmd = (MCDLAYERPLANECMDI *)(pmeh + 1);
|
|
pLayerPlaneCmd->command = MCD_DESCRIBELAYERPLANE;
|
|
pLayerPlaneCmd->iPixelFormat = iPixelFormat;
|
|
pLayerPlaneCmd->iLayerPlane = iLayerPlane;
|
|
|
|
bRet = (BOOL)EXTESCAPE(hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, sizeof(MCDLAYERPLANE),
|
|
(char *)pMcdLayer);
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// BOOL APIENTRY MCDDescribeLayerPlane(HDC hdc, LONG iPixelFormat,
|
|
// LONG iLayerPlane,
|
|
// LPLAYERPLANEDESCRIPTOR ppfd)
|
|
//
|
|
// Returns LAYERPLANEDESCRIPTOR describing the specified layer plane.
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOL APIENTRY MCDDescribeLayerPlane(HDC hdc, LONG iPixelFormat,
|
|
LONG iLayerPlane,
|
|
LPLAYERPLANEDESCRIPTOR plpd)
|
|
{
|
|
BOOL bRet = FALSE;
|
|
MCDLAYERPLANE McdLayer;
|
|
|
|
if (!MCDDescribeMcdLayerPlane(hdc, iPixelFormat, iLayerPlane, &McdLayer))
|
|
return bRet;
|
|
|
|
if (plpd)
|
|
{
|
|
plpd->nSize = sizeof(*plpd);
|
|
memcpy(&plpd->nVersion, &McdLayer.nVersion,
|
|
offsetof(LAYERPLANEDESCRIPTOR, cAccumBits) -
|
|
offsetof(LAYERPLANEDESCRIPTOR, nVersion));
|
|
plpd->cAccumBits = 0;
|
|
plpd->cAccumRedBits = 0;
|
|
plpd->cAccumGreenBits = 0;
|
|
plpd->cAccumBlueBits = 0;
|
|
plpd->cAccumAlphaBits = 0;
|
|
plpd->cDepthBits = 0;
|
|
plpd->cStencilBits = 0;
|
|
plpd->cAuxBuffers = McdLayer.cAuxBuffers;
|
|
plpd->iLayerPlane = McdLayer.iLayerPlane;
|
|
plpd->bReserved = 0;
|
|
plpd->crTransparent = McdLayer.crTransparent;
|
|
|
|
bRet = TRUE;
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// LONG APIENTRY MCDSetLayerPalette(HDC hdc, BOOL bRealize,
|
|
// LONG cEntries, COLORREF *pcr)
|
|
//
|
|
// Sets the palette of the specified layer plane.
|
|
//
|
|
//**************************************************************************
|
|
|
|
LONG APIENTRY MCDSetLayerPalette(HDC hdc, LONG iLayerPlane, BOOL bRealize,
|
|
LONG cEntries, COLORREF *pcr)
|
|
{
|
|
LONG lRet = 0;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDSETLAYERPALCMDI) +
|
|
(255 * sizeof(COLORREF))];
|
|
BYTE *pjBuffer = (BYTE *) NULL;
|
|
MCDESC_HEADER *pmeh;
|
|
MCDSETLAYERPALCMDI *pSetLayerPalCmd;
|
|
|
|
// Use stack allocation if possible; otherwise, allocate heap memory for
|
|
// the command buffer.
|
|
|
|
if (cEntries <= 256)
|
|
{
|
|
pmeh = (MCDESC_HEADER *)(cmdBuffer);
|
|
}
|
|
else
|
|
{
|
|
LONG lBytes;
|
|
|
|
lBytes = sizeof(MCDESC_HEADER) + sizeof(MCDSETLAYERPALCMDI) +
|
|
((cEntries - 1) * sizeof(COLORREF));
|
|
|
|
pjBuffer = (BYTE *) LocalAlloc(LMEM_FIXED, lBytes);
|
|
pmeh = (MCDESC_HEADER *)pjBuffer;
|
|
}
|
|
|
|
if (pmeh != (MCDESC_HEADER *) NULL)
|
|
{
|
|
InitMcdEscEmpty(pmeh);
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK;
|
|
|
|
pSetLayerPalCmd = (MCDSETLAYERPALCMDI *)(pmeh + 1);
|
|
pSetLayerPalCmd->command = MCD_SETLAYERPALETTE;
|
|
pSetLayerPalCmd->iLayerPlane = iLayerPlane;
|
|
pSetLayerPalCmd->bRealize = bRealize;
|
|
pSetLayerPalCmd->cEntries = cEntries;
|
|
memcpy(&pSetLayerPalCmd->acr[0], pcr, cEntries * sizeof(COLORREF));
|
|
|
|
lRet = (BOOL)EXTESCAPE(hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
// Delete the heap memory if it was allocated for the command buffer.
|
|
|
|
if (pjBuffer)
|
|
{
|
|
LocalFree(pjBuffer);
|
|
}
|
|
|
|
return lRet;
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG APIENTRY MCDDrawPixels(MCDCONTEXT *pMCDContext, ULONG width,
|
|
// ULONG height, ULONG format, ULONG type,
|
|
// VOID *pPixels, BOOL packed)
|
|
//
|
|
// MCD version of glDrawPixels
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDDrawPixels(MCDCONTEXT *pMCDContext, ULONG width,
|
|
ULONG height, ULONG format, ULONG type,
|
|
VOID *pPixels, BOOL packed)
|
|
{
|
|
ULONG ulRet = (ULONG) FALSE;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDDRAWPIXELSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDDRAWPIXELSCMDI *pPixelsCmd;
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
pPixelsCmd = (MCDDRAWPIXELSCMDI *)(pmeh + 1);
|
|
pPixelsCmd->command = MCD_DRAW_PIXELS;
|
|
pPixelsCmd->width = width;
|
|
pPixelsCmd->height = height;
|
|
pPixelsCmd->format = format;
|
|
pPixelsCmd->type = type;
|
|
pPixelsCmd->packed = packed;
|
|
pPixelsCmd->pPixels = pPixels;
|
|
|
|
ulRet = (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL);
|
|
|
|
return ulRet;
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG APIENTRY MCDReadPixels(MCDCONTEXT *pMCDContext, LONG x, LONG y,
|
|
// ULONG width, ULONG height, ULONG format,
|
|
// ULONG type, VOID *pPixels)
|
|
//
|
|
// MCD version of glReadPixels
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDReadPixels(MCDCONTEXT *pMCDContext, LONG x, LONG y,
|
|
ULONG width, ULONG height, ULONG format,
|
|
ULONG type, VOID *pPixels)
|
|
{
|
|
ULONG ulRet = (ULONG) FALSE;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDREADPIXELSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDREADPIXELSCMDI *pPixelsCmd;
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
pPixelsCmd = (MCDREADPIXELSCMDI *)(pmeh + 1);
|
|
pPixelsCmd->command = MCD_READ_PIXELS;
|
|
pPixelsCmd->x = x;
|
|
pPixelsCmd->y = y;
|
|
pPixelsCmd->width = width;
|
|
pPixelsCmd->height = height;
|
|
pPixelsCmd->format = format;
|
|
pPixelsCmd->type = type;
|
|
pPixelsCmd->pPixels = pPixels;
|
|
|
|
ulRet = (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL);
|
|
|
|
return ulRet;
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG APIENTRY MCDCopyPixels(MCDCONTEXT *pMCDContext, LONG x, LONG y,
|
|
// ULONG width, ULONG height, ULONG type)
|
|
//
|
|
// MCD version of glCopyPixels
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDCopyPixels(MCDCONTEXT *pMCDContext, LONG x, LONG y,
|
|
ULONG width, ULONG height, ULONG type)
|
|
{
|
|
ULONG ulRet = (ULONG) FALSE;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDCOPYPIXELSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDCOPYPIXELSCMDI *pPixelsCmd;
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
if (SUPPORTS_DIRECT())
|
|
{
|
|
pmeh->flags |= MCDESC_FL_SURFACES;
|
|
}
|
|
else if (pmeh->msrfColor.hSurf != NULL ||
|
|
pmeh->msrfDepth.hSurf != NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
pPixelsCmd = (MCDCOPYPIXELSCMDI *)(pmeh + 1);
|
|
pPixelsCmd->command = MCD_COPY_PIXELS;
|
|
pPixelsCmd->x = x;
|
|
pPixelsCmd->y = y;
|
|
pPixelsCmd->width = width;
|
|
pPixelsCmd->height = height;
|
|
pPixelsCmd->type = type;
|
|
|
|
ulRet = (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL);
|
|
|
|
return ulRet;
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// ULONG APIENTRY MCDPixelMap(MCDCONTEXT *pMCDContext, ULONG mapType,
|
|
// ULONG mapSize, VOID *pMap)
|
|
//
|
|
// MCD version of glPixelMap
|
|
//
|
|
//**************************************************************************
|
|
|
|
ULONG APIENTRY MCDPixelMap(MCDCONTEXT *pMCDContext, ULONG mapType,
|
|
ULONG mapSize, VOID *pMap)
|
|
{
|
|
ULONG ulRet = (ULONG) FALSE;
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDPIXELMAPCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDPIXELMAPCMDI *pPixelsCmd;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)(cmdBuffer), pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pPixelsCmd = (MCDPIXELMAPCMDI *)(pmeh + 1);
|
|
pPixelsCmd->command = MCD_PIXEL_MAP;
|
|
pPixelsCmd->mapType = mapType;
|
|
pPixelsCmd->mapSize = mapSize;
|
|
pPixelsCmd->pMap = pMap;
|
|
|
|
ulRet = (ULONG)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL);
|
|
|
|
return ulRet;
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// MCDDestroyWindow
|
|
//
|
|
// Forwards user-mode window destruction notification to the server for
|
|
// resource cleanup
|
|
//
|
|
//**************************************************************************
|
|
|
|
void APIENTRY MCDDestroyWindow(HDC hdc, ULONG_PTR dwMcdWindow)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDPIXELMAPCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDDESTROYWINDOWCMDI *pmdwc;
|
|
|
|
pmeh = InitMcdEscEmpty((MCDESC_HEADER *)cmdBuffer);
|
|
pmeh->dwWindow = dwMcdWindow;
|
|
pmeh->flags = 0;
|
|
|
|
pmdwc = (MCDDESTROYWINDOWCMDI *)(pmeh + 1);
|
|
pmdwc->command = MCD_DESTROY_WINDOW;
|
|
|
|
EXTESCAPE(hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL);
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// MCDGetTextureFormats
|
|
//
|
|
//**************************************************************************
|
|
|
|
int APIENTRY MCDGetTextureFormats(MCDCONTEXT *pMCDContext, int nFmts,
|
|
struct _DDSURFACEDESC *pddsd)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER) + sizeof(MCDGETTEXTUREFORMATSCMDI)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDGETTEXTUREFORMATSCMDI *pmgtf;
|
|
|
|
pmeh = InitMcdEscContext((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->hSharedMem = NULL;
|
|
pmeh->pSharedMem = (VOID *)NULL;
|
|
pmeh->flags = 0;
|
|
|
|
pmgtf = (MCDGETTEXTUREFORMATSCMDI *)(pmeh + 1);
|
|
pmgtf->command = MCD_GET_TEXTURE_FORMATS;
|
|
pmgtf->nFmts = nFmts;
|
|
|
|
return (int)EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
nFmts*sizeof(DDSURFACEDESC), (char *)pddsd);
|
|
}
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// MCDSwapMultiple
|
|
//
|
|
//**************************************************************************
|
|
|
|
DWORD APIENTRY MCDSwapMultiple(HDC hdc, UINT cBuffers, GENMCDSWAP *pgms)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER)+
|
|
sizeof(HDC)*MCDESC_MAX_EXTRA_WNDOBJ+
|
|
sizeof(MCDSWAPMULTIPLECMDI)];
|
|
MCDSWAPMULTIPLECMDI *pSwapMultCmd;
|
|
MCDESC_HEADER *pmeh;
|
|
UINT i;
|
|
HDC *phdc;
|
|
|
|
// InitMcdEscSurfaces cannot be used because the context given
|
|
// is a temporary one constructed on the fly since SwapBuffers
|
|
// has only surface information.
|
|
pmeh = InitMcdEscEmpty((MCDESC_HEADER *)cmdBuffer);
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK | MCDESC_FL_EXTRA_WNDOBJ;
|
|
pmeh->cExtraWndobj = cBuffers;
|
|
|
|
phdc = (HDC *)(pmeh+1);
|
|
pSwapMultCmd = (MCDSWAPMULTIPLECMDI *)((BYTE *)phdc+cBuffers*sizeof(HDC));
|
|
pSwapMultCmd->command = MCD_SWAP_MULTIPLE;
|
|
pSwapMultCmd->cBuffers = cBuffers;
|
|
|
|
for (i = 0; i < cBuffers; i++)
|
|
{
|
|
*phdc++ = pgms->pwswap->hdc;
|
|
pSwapMultCmd->auiFlags[i] = pgms->pwswap->uiFlags;
|
|
pSwapMultCmd->adwMcdWindow[i] = pgms->pwnd->dwMcdWindow;
|
|
}
|
|
|
|
return (DWORD)EXTESCAPE(hdc, MCDFUNCS, sizeof(cmdBuffer),
|
|
(char *)pmeh, 0, (char *)NULL);
|
|
}
|
|
|
|
|
|
//******************************Public*Routine******************************
|
|
//
|
|
// MCDProcessBatch2
|
|
//
|
|
// Processes a batch of primitives pointed to by pMCDMem.
|
|
// This is the 2.0 front-end processing entry point.
|
|
//
|
|
// Returns last command processed or NULL if all are processed.
|
|
//
|
|
//**************************************************************************
|
|
|
|
PVOID APIENTRY MCDProcessBatch2(MCDCONTEXT *pMCDContext,
|
|
VOID *pMCDCmdMem,
|
|
VOID *pMCDPrimMem,
|
|
MCDCOMMAND *pMCDFirstCmd,
|
|
int cExtraSurfaces,
|
|
LPDIRECTDRAWSURFACE *pdds,
|
|
ULONG cmdFlagsAll,
|
|
ULONG primFlags,
|
|
MCDTRANSFORM *pMCDTransform,
|
|
MCDMATERIALCHANGES *pMCDMatChanges)
|
|
{
|
|
BYTE cmdBuffer[sizeof(MCDESC_HEADER)+
|
|
MCD_MAXMIPMAPLEVEL*sizeof(DWORD)];
|
|
MCDESC_HEADER *pmeh;
|
|
MCDMEMHDRI *pMCDCmdMemHdr, *pMCDPrimMemHdr;
|
|
int i;
|
|
ULONG_PTR *pdwSurf;
|
|
MCDPROCESSCMDI *pProcessCmd;
|
|
|
|
// Version is checked in mcdcx.c.
|
|
ASSERTOPENGL(SUPPORTS_20(), "MCDProcessBatch2 requires 2.0\n");
|
|
// This function requires 2.0 so direct support should also exist.
|
|
ASSERTOPENGL(SUPPORTS_DIRECT(), "MCDProcessBatch2 requires direct\n");
|
|
|
|
#if DBG
|
|
if (McdDebugFlags & MCDDEBUG_DISABLE_PROCBATCH)
|
|
{
|
|
MCDSync(pMCDContext);
|
|
return pMCDFirstCmd;
|
|
}
|
|
#endif
|
|
|
|
pMCDCmdMemHdr = (MCDMEMHDRI *)((char *)pMCDCmdMem - sizeof(MCDMEMHDRI));
|
|
pMCDPrimMemHdr = (MCDMEMHDRI *)((char *)pMCDPrimMem - sizeof(MCDMEMHDRI));
|
|
|
|
pmeh = InitMcdEscSurfaces((MCDESC_HEADER *)cmdBuffer, pMCDContext);
|
|
pmeh->hSharedMem = pMCDCmdMemHdr->hMCDMem;
|
|
pmeh->pSharedMem = (char *)pMCDCmdMem;
|
|
pmeh->sharedMemSize = sizeof(MCDPROCESSCMDI);
|
|
pmeh->flags = MCDESC_FL_DISPLAY_LOCK |
|
|
MCDESC_FL_SURFACES | MCDESC_FL_LOCK_SURFACES;
|
|
|
|
// Assert that we won't exceed the kernel's expectations
|
|
ASSERTOPENGL(MCD_MAXMIPMAPLEVEL <= MCDESC_MAX_LOCK_SURFACES,
|
|
"MCD_MAXMIPMAPLEVEL too large\n");
|
|
|
|
pmeh->cLockSurfaces = cExtraSurfaces;
|
|
pdwSurf = (ULONG_PTR *)(pmeh+1);
|
|
for (i = 0; i < cExtraSurfaces; i++)
|
|
{
|
|
*pdwSurf++ = ((LPDDRAWI_DDRAWSURFACE_INT)pdds[i])->lpLcl->hDDSurface;
|
|
}
|
|
|
|
pProcessCmd = (MCDPROCESSCMDI *)pMCDCmdMem;
|
|
pProcessCmd->command = MCD_PROCESS;
|
|
pProcessCmd->hMCDPrimMem = pMCDPrimMemHdr->hMCDMem;
|
|
pProcessCmd->pMCDFirstCmd = pMCDFirstCmd;
|
|
pProcessCmd->cmdFlagsAll = cmdFlagsAll;
|
|
pProcessCmd->primFlags = primFlags;
|
|
pProcessCmd->pMCDTransform = pMCDTransform;
|
|
pProcessCmd->pMCDMatChanges = pMCDMatChanges;
|
|
|
|
return (PVOID)IntToPtr( EXTESCAPE(pMCDContext->hdc, MCDFUNCS,
|
|
sizeof(cmdBuffer), (char *)pmeh,
|
|
0, (char *)NULL) );
|
|
}
|