mirror of
https://github.com/libsdl-org/SDL.git
synced 2025-09-20 02:08:13 +00:00
os2: a _lot_ of coding style cleanup, sot that they match the SDL style.
also renamed the 'debug' macro to debug_os2: the former was dangerously a common name. the binary (dll) output is precisely the same as before.
This commit is contained in:
Ozkan Sezer
@@ -34,23 +34,23 @@
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#include "my_gradd.h"
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typedef struct _VODATA {
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PVOID pBuffer;
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HRGN hrgnVisible;
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ULONG ulBPP;
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ULONG ulScanLineSize;
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ULONG ulWidth;
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ULONG ulHeight;
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ULONG ulScreenHeight;
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ULONG ulScreenBytesPerLine;
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RECTL rectlWin;
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PVOID pBuffer;
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HRGN hrgnVisible;
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ULONG ulBPP;
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ULONG ulScanLineSize;
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ULONG ulWidth;
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ULONG ulHeight;
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ULONG ulScreenHeight;
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ULONG ulScreenBytesPerLine;
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RECTL rectlWin;
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PRECTL pRectl;
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ULONG cRectl;
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PBLTRECT pBltRect;
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ULONG cBltRect;
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PRECTL pRectl;
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ULONG cRectl;
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PBLTRECT pBltRect;
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ULONG cBltRect;
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} VODATA;
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static BOOL voQueryInfo(PVIDEOOUTPUTINFO pInfo);
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static BOOL voQueryInfo(VIDEOOUTPUTINFO *pInfo);
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static PVODATA voOpen();
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static VOID voClose(PVODATA pVOData);
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static BOOL voSetVisibleRegion(PVODATA pVOData, HWND hwnd,
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@@ -64,448 +64,421 @@ static BOOL voUpdate(PVODATA pVOData, HWND hwnd, SDL_Rect *pSDLRects,
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ULONG cSDLRects);
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OS2VIDEOOUTPUT voVMan = {
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voQueryInfo,
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voOpen,
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voClose,
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voSetVisibleRegion,
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voVideoBufAlloc,
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voVideoBufFree,
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voUpdate
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voQueryInfo,
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voOpen,
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voClose,
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voSetVisibleRegion,
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voVideoBufAlloc,
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voVideoBufFree,
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voUpdate
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};
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static HMODULE hmodVMan = NULLHANDLE;
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static FNVMIENTRY *pfnVMIEntry = NULL;
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static ULONG ulVRAMAddress = 0;
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static HMODULE hmodVMan = NULLHANDLE;
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static FNVMIENTRY *pfnVMIEntry = NULL;
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static ULONG ulVRAMAddress = 0;
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VOID APIENTRY ExitVMan(VOID)
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{
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if ( ( ulVRAMAddress != 0 ) && ( hmodVMan != NULLHANDLE ) )
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{
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pfnVMIEntry( 0, VMI_CMD_TERMPROC, NULL, NULL );
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DosFreeModule( hmodVMan );
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}
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if (ulVRAMAddress != 0 && hmodVMan != NULLHANDLE) {
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pfnVMIEntry(0, VMI_CMD_TERMPROC, NULL, NULL);
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DosFreeModule(hmodVMan);
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}
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DosExitList( EXLST_EXIT, (PFNEXITLIST)NULL );
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DosExitList(EXLST_EXIT, (PFNEXITLIST)NULL);
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}
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static BOOL _vmanInit()
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static BOOL _vmanInit(void)
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{
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ULONG ulRC;
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CHAR acBuf[255];
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INITPROCOUT stInitProcOut;
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ULONG ulRC;
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CHAR acBuf[255];
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INITPROCOUT stInitProcOut;
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if (hmodVMan != NULLHANDLE) /* Already was initialized */
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return TRUE;
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/* Load vman.dll */
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ulRC = DosLoadModule(acBuf, sizeof(acBuf), "VMAN", &hmodVMan);
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if (ulRC != NO_ERROR) {
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debug_os2("Could not load VMAN.DLL, rc = %u : %s", ulRC, acBuf);
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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/* Get VMIEntry */
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ulRC = DosQueryProcAddr(hmodVMan, 0L, "VMIEntry", (PFN *)&pfnVMIEntry);
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if (ulRC != NO_ERROR) {
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debug_os2("Could not query address of pfnVMIEntry func. of VMAN.DLL, "
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"rc = %u", ulRC);
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DosFreeModule(hmodVMan);
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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/* VMAN initialization */
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stInitProcOut.ulLength = sizeof(stInitProcOut);
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ulRC = pfnVMIEntry(0, VMI_CMD_INITPROC, NULL, &stInitProcOut);
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if (ulRC != RC_SUCCESS) {
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debug_os2("Could not initialize VMAN for this process");
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pfnVMIEntry = NULL;
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DosFreeModule(hmodVMan);
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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/* Store video memory virtual address */
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ulVRAMAddress = stInitProcOut.ulVRAMVirt;
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/* We use exit list for VMI_CMD_TERMPROC */
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if (DosExitList(EXLST_ADD | 0x00001000, (PFNEXITLIST)ExitVMan) != NO_ERROR) {
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debug_os2("DosExitList() failed");
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}
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if ( hmodVMan != NULLHANDLE )
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// Already was initialized.
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return TRUE;
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// Load vman.dll
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ulRC = DosLoadModule( acBuf, sizeof(acBuf), "VMAN", &hmodVMan );
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if ( ulRC != NO_ERROR )
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{
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debug( "Could not load VMAN.DLL, rc = %u : %s", ulRC, &acBuf );
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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// Get VMIEntry.
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ulRC = DosQueryProcAddr( hmodVMan, 0L, "VMIEntry", (PFN *)&pfnVMIEntry );
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if ( ulRC != NO_ERROR )
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{
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debug( "Could not query address of pfnVMIEntry func. of VMAN.DLL, "
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"rc = %u", ulRC );
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DosFreeModule( hmodVMan );
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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// VMAN initialization.
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stInitProcOut.ulLength = sizeof(stInitProcOut);
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ulRC = pfnVMIEntry( 0, VMI_CMD_INITPROC, NULL, &stInitProcOut );
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if ( ulRC != RC_SUCCESS )
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{
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debug( "Could not initialize VMAN for this process" );
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pfnVMIEntry = NULL;
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DosFreeModule( hmodVMan );
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hmodVMan = NULLHANDLE;
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return FALSE;
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}
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// Store video memory virtual address.
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ulVRAMAddress = stInitProcOut.ulVRAMVirt;
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// We use exit list for VMI_CMD_TERMPROC.
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if ( DosExitList( EXLST_ADD | 0x00001000, (PFNEXITLIST)ExitVMan )
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!= NO_ERROR )
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debug( "DosExitList() failed" );
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return TRUE;
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}
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static PRECTL _getRectlArray(PVODATA pVOData, ULONG cRects)
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{
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PRECTL pRectl;
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PRECTL pRectl;
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if ( pVOData->cRectl >= cRects )
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return pVOData->pRectl;
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if (pVOData->cRectl >= cRects)
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return pVOData->pRectl;
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pRectl = SDL_realloc( pVOData->pRectl, cRects * sizeof(RECTL) );
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if ( pRectl == NULL )
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return NULL;
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pRectl = SDL_realloc(pVOData->pRectl, cRects * sizeof(RECTL));
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if (pRectl == NULL)
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return NULL;
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pVOData->pRectl = pRectl;
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pVOData->cRectl = cRects;
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return pRectl;
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pVOData->pRectl = pRectl;
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pVOData->cRectl = cRects;
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return pRectl;
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}
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static PBLTRECT _getBltRectArray(PVODATA pVOData, ULONG cRects)
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{
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PBLTRECT pBltRect;
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PBLTRECT pBltRect;
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if ( pVOData->cBltRect >= cRects )
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return pVOData->pBltRect;
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if (pVOData->cBltRect >= cRects)
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return pVOData->pBltRect;
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pBltRect = SDL_realloc( pVOData->pBltRect, cRects * sizeof(BLTRECT) );
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if ( pBltRect == NULL )
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return NULL;
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pBltRect = SDL_realloc(pVOData->pBltRect, cRects * sizeof(BLTRECT));
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if (pBltRect == NULL)
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return NULL;
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pVOData->pBltRect = pBltRect;
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pVOData->cBltRect = cRects;
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return pBltRect;
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pVOData->pBltRect = pBltRect;
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pVOData->cBltRect = cRects;
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return pBltRect;
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}
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static BOOL voQueryInfo(PVIDEOOUTPUTINFO pInfo)
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static BOOL voQueryInfo(VIDEOOUTPUTINFO *pInfo)
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{
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ULONG ulRC;
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GDDMODEINFO sCurModeInfo;
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ULONG ulRC;
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GDDMODEINFO sCurModeInfo;
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if ( !_vmanInit() )
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return FALSE;
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if (!_vmanInit())
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return FALSE;
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// Query current (desktop) mode.
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ulRC = pfnVMIEntry( 0, VMI_CMD_QUERYCURRENTMODE, NULL, &sCurModeInfo );
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if ( ulRC != RC_SUCCESS )
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{
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debug( "Could not query desktop video mode." );
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return FALSE;
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}
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/* Query current (desktop) mode */
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ulRC = pfnVMIEntry(0, VMI_CMD_QUERYCURRENTMODE, NULL, &sCurModeInfo);
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if (ulRC != RC_SUCCESS) {
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debug_os2("Could not query desktop video mode.");
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return FALSE;
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}
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pInfo->ulBPP = sCurModeInfo.ulBpp;
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pInfo->ulHorizResolution = sCurModeInfo.ulHorizResolution;
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pInfo->ulVertResolution = sCurModeInfo.ulVertResolution;
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pInfo->ulScanLineSize = sCurModeInfo.ulScanLineSize;
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pInfo->fccColorEncoding = sCurModeInfo.fccColorEncoding;
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pInfo->ulBPP = sCurModeInfo.ulBpp;
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pInfo->ulHorizResolution = sCurModeInfo.ulHorizResolution;
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pInfo->ulVertResolution = sCurModeInfo.ulVertResolution;
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pInfo->ulScanLineSize = sCurModeInfo.ulScanLineSize;
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pInfo->fccColorEncoding = sCurModeInfo.fccColorEncoding;
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return TRUE;
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return TRUE;
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}
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static PVODATA voOpen()
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static PVODATA voOpen(void)
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{
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PVODATA pVOData;
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PVODATA pVOData;
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if ( !_vmanInit() )
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return NULL;
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if (!_vmanInit())
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return NULL;
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pVOData = SDL_calloc( 1, sizeof(VODATA) );
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if ( pVOData == NULL )
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{
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SDL_OutOfMemory();
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return NULL;
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}
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pVOData = SDL_calloc(1, sizeof(VODATA));
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if (pVOData == NULL) {
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SDL_OutOfMemory();
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return NULL;
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}
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return pVOData;
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return pVOData;
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}
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static VOID voClose(PVODATA pVOData)
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{
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if ( pVOData->pRectl != NULL )
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SDL_free( pVOData->pRectl );
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if (pVOData->pRectl != NULL)
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SDL_free(pVOData->pRectl);
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if ( pVOData->pBltRect != NULL )
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SDL_free( pVOData->pBltRect );
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if (pVOData->pBltRect != NULL)
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SDL_free(pVOData->pBltRect);
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voVideoBufFree( pVOData );
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voVideoBufFree(pVOData);
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}
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static BOOL voSetVisibleRegion(PVODATA pVOData, HWND hwnd,
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SDL_DisplayMode *pSDLDisplayMode,
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HRGN hrgnShape, BOOL fVisible)
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{
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HPS hps;
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BOOL fSuccess = FALSE;
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HPS hps;
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BOOL fSuccess = FALSE;
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hps = WinGetPS( hwnd );
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hps = WinGetPS(hwnd);
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if ( pVOData->hrgnVisible != NULLHANDLE )
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{
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GpiDestroyRegion( hps, pVOData->hrgnVisible );
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pVOData->hrgnVisible = NULLHANDLE;
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}
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if ( fVisible )
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{
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// Query visible rectangles
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pVOData->hrgnVisible = GpiCreateRegion( hps, 0, NULL );
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if ( pVOData->hrgnVisible == NULLHANDLE )
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{
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SDL_SetError( "GpiCreateRegion() failed" );
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}
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else
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{
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if ( WinQueryVisibleRegion( hwnd, pVOData->hrgnVisible ) == RGN_ERROR )
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{
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GpiDestroyRegion( hps, pVOData->hrgnVisible );
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if (pVOData->hrgnVisible != NULLHANDLE) {
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GpiDestroyRegion(hps, pVOData->hrgnVisible);
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pVOData->hrgnVisible = NULLHANDLE;
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}
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else
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{
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if ( hrgnShape != NULLHANDLE )
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GpiCombineRegion( hps, pVOData->hrgnVisible, pVOData->hrgnVisible,
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hrgnShape, CRGN_AND );
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fSuccess = TRUE;
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}
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}
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WinQueryWindowRect( hwnd, &pVOData->rectlWin );
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WinMapWindowPoints( hwnd, HWND_DESKTOP, (PPOINTL)&pVOData->rectlWin, 2 );
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if (fVisible) {
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/* Query visible rectangles */
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pVOData->hrgnVisible = GpiCreateRegion(hps, 0, NULL);
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if (pVOData->hrgnVisible == NULLHANDLE) {
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SDL_SetError("GpiCreateRegion() failed");
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} else {
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if (WinQueryVisibleRegion(hwnd, pVOData->hrgnVisible) == RGN_ERROR) {
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GpiDestroyRegion(hps, pVOData->hrgnVisible);
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pVOData->hrgnVisible = NULLHANDLE;
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} else {
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if (hrgnShape != NULLHANDLE)
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GpiCombineRegion(hps, pVOData->hrgnVisible, pVOData->hrgnVisible,
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hrgnShape, CRGN_AND);
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fSuccess = TRUE;
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}
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}
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if ( pSDLDisplayMode != NULL )
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{
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pVOData->ulScreenHeight = pSDLDisplayMode->h;
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pVOData->ulScreenBytesPerLine =
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((PMODEDATA)pSDLDisplayMode->driverdata)->ulScanLineBytes;
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WinQueryWindowRect(hwnd, &pVOData->rectlWin);
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WinMapWindowPoints(hwnd, HWND_DESKTOP, (PPOINTL)&pVOData->rectlWin, 2);
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if (pSDLDisplayMode != NULL) {
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pVOData->ulScreenHeight = pSDLDisplayMode->h;
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pVOData->ulScreenBytesPerLine =
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((MODEDATA *)pSDLDisplayMode->driverdata)->ulScanLineBytes;
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}
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}
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}
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WinReleasePS( hps );
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WinReleasePS(hps);
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return fSuccess;
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return fSuccess;
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}
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static PVOID voVideoBufAlloc(PVODATA pVOData, ULONG ulWidth, ULONG ulHeight,
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ULONG ulBPP, ULONG fccColorEncoding,
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PULONG pulScanLineSize)
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{
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ULONG ulRC;
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ULONG ulScanLineSize = ulWidth * (ulBPP >> 3);
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ULONG ulRC;
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ULONG ulScanLineSize = ulWidth * (ulBPP >> 3);
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// Destroy previous buffer.
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voVideoBufFree( pVOData );
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/* Destroy previous buffer */
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voVideoBufFree(pVOData);
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if ( ( ulWidth == 0 ) || ( ulHeight == 0 ) || ( ulBPP == 0 ) )
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return NULL;
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if (ulWidth == 0 || ulHeight == 0 || ulBPP == 0)
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return NULL;
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// Bytes per line.
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ulScanLineSize = ( ulScanLineSize + 3 ) & ~3; /* 4-byte aligning */
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*pulScanLineSize = ulScanLineSize;
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/* Bytes per line */
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ulScanLineSize = (ulScanLineSize + 3) & ~3; /* 4-byte aligning */
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*pulScanLineSize = ulScanLineSize;
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ulRC = DosAllocMem( &pVOData->pBuffer,
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(ulHeight * ulScanLineSize) + sizeof(ULONG),
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PAG_COMMIT | PAG_EXECUTE | PAG_READ | PAG_WRITE );
|
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if ( ulRC != NO_ERROR )
|
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{
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debug( "DosAllocMem(), rc = %u", ulRC );
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return NULL;
|
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}
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ulRC = DosAllocMem(&pVOData->pBuffer,
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(ulHeight * ulScanLineSize) + sizeof(ULONG),
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PAG_COMMIT | PAG_EXECUTE | PAG_READ | PAG_WRITE);
|
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if (ulRC != NO_ERROR) {
|
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debug_os2("DosAllocMem(), rc = %u", ulRC);
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return NULL;
|
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}
|
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|
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pVOData->ulBPP = ulBPP;
|
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pVOData->ulScanLineSize = ulScanLineSize;
|
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pVOData->ulWidth = ulWidth;
|
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pVOData->ulHeight = ulHeight;
|
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pVOData->ulBPP = ulBPP;
|
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pVOData->ulScanLineSize = ulScanLineSize;
|
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pVOData->ulWidth = ulWidth;
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pVOData->ulHeight = ulHeight;
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return pVOData->pBuffer;
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return pVOData->pBuffer;
|
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}
|
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|
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static VOID voVideoBufFree(PVODATA pVOData)
|
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{
|
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ULONG ulRC;
|
||||
ULONG ulRC;
|
||||
|
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if ( pVOData->pBuffer == NULL )
|
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return;
|
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if (pVOData->pBuffer == NULL)
|
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return;
|
||||
|
||||
ulRC = DosFreeMem( pVOData->pBuffer );
|
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if ( ulRC != NO_ERROR )
|
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debug( "DosFreeMem(), rc = %u", ulRC );
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else
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pVOData->pBuffer = NULL;
|
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ulRC = DosFreeMem(pVOData->pBuffer);
|
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if (ulRC != NO_ERROR) {
|
||||
debug_os2("DosFreeMem(), rc = %u", ulRC);
|
||||
} else {
|
||||
pVOData->pBuffer = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static BOOL voUpdate(PVODATA pVOData, HWND hwnd, SDL_Rect *pSDLRects,
|
||||
ULONG cSDLRects)
|
||||
{
|
||||
PRECTL prectlDst, prectlScan;
|
||||
HPS hps;
|
||||
HRGN hrgnUpdate;
|
||||
RGNRECT rgnCtl;
|
||||
SDL_Rect stSDLRectDef;
|
||||
BMAPINFO bmiSrc;
|
||||
BMAPINFO bmiDst;
|
||||
PPOINTL pptlSrcOrg;
|
||||
PBLTRECT pbrDst;
|
||||
HWREQIN sHWReqIn;
|
||||
BITBLTINFO sBitbltInfo = { 0 };
|
||||
ULONG ulIdx;
|
||||
// RECTL rectlScreenUpdate;
|
||||
PRECTL prectlDst, prectlScan;
|
||||
HPS hps;
|
||||
HRGN hrgnUpdate;
|
||||
RGNRECT rgnCtl;
|
||||
SDL_Rect stSDLRectDef;
|
||||
BMAPINFO bmiSrc;
|
||||
BMAPINFO bmiDst;
|
||||
PPOINTL pptlSrcOrg;
|
||||
PBLTRECT pbrDst;
|
||||
HWREQIN sHWReqIn;
|
||||
BITBLTINFO sBitbltInfo = { 0 };
|
||||
ULONG ulIdx;
|
||||
/* RECTL rectlScreenUpdate;*/
|
||||
|
||||
if ( pVOData->pBuffer == NULL )
|
||||
return FALSE;
|
||||
if (pVOData->pBuffer == NULL)
|
||||
return FALSE;
|
||||
|
||||
if ( pVOData->hrgnVisible == NULLHANDLE )
|
||||
return TRUE;
|
||||
if (pVOData->hrgnVisible == NULLHANDLE)
|
||||
return TRUE;
|
||||
|
||||
bmiSrc.ulLength = sizeof(BMAPINFO);
|
||||
bmiSrc.ulType = BMAP_MEMORY;
|
||||
bmiSrc.ulWidth = pVOData->ulWidth;
|
||||
bmiSrc.ulHeight = pVOData->ulHeight;
|
||||
bmiSrc.ulBpp = pVOData->ulBPP;
|
||||
bmiSrc.ulBytesPerLine = pVOData->ulScanLineSize;
|
||||
bmiSrc.pBits = (PBYTE)pVOData->pBuffer;
|
||||
bmiSrc.ulLength = sizeof(BMAPINFO);
|
||||
bmiSrc.ulType = BMAP_MEMORY;
|
||||
bmiSrc.ulWidth = pVOData->ulWidth;
|
||||
bmiSrc.ulHeight = pVOData->ulHeight;
|
||||
bmiSrc.ulBpp = pVOData->ulBPP;
|
||||
bmiSrc.ulBytesPerLine = pVOData->ulScanLineSize;
|
||||
bmiSrc.pBits = (PBYTE)pVOData->pBuffer;
|
||||
|
||||
bmiDst.ulLength = sizeof(BMAPINFO);
|
||||
bmiDst.ulType = BMAP_VRAM;
|
||||
bmiDst.pBits = (PBYTE)ulVRAMAddress;
|
||||
bmiDst.ulWidth = bmiSrc.ulWidth;
|
||||
bmiDst.ulHeight = bmiSrc.ulHeight;
|
||||
bmiDst.ulBpp = bmiSrc.ulBpp;
|
||||
bmiDst.ulBytesPerLine = pVOData->ulScreenBytesPerLine;
|
||||
bmiDst.ulLength = sizeof(BMAPINFO);
|
||||
bmiDst.ulType = BMAP_VRAM;
|
||||
bmiDst.pBits = (PBYTE)ulVRAMAddress;
|
||||
bmiDst.ulWidth = bmiSrc.ulWidth;
|
||||
bmiDst.ulHeight = bmiSrc.ulHeight;
|
||||
bmiDst.ulBpp = bmiSrc.ulBpp;
|
||||
bmiDst.ulBytesPerLine = pVOData->ulScreenBytesPerLine;
|
||||
|
||||
// List of update rectangles. This is the intersection of requested
|
||||
// rectangles and visible rectangles.
|
||||
|
||||
if ( cSDLRects == 0 )
|
||||
{
|
||||
// Full update requested.
|
||||
stSDLRectDef.x = 0;
|
||||
stSDLRectDef.y = 0;
|
||||
stSDLRectDef.w = bmiSrc.ulWidth;
|
||||
stSDLRectDef.h = bmiSrc.ulHeight;
|
||||
pSDLRects = &stSDLRectDef;
|
||||
cSDLRects = 1;
|
||||
}
|
||||
|
||||
// Make list of destionation rectangles (prectlDst) list from the source
|
||||
// list (prectl).
|
||||
prectlDst = _getRectlArray( pVOData, cSDLRects );
|
||||
if ( prectlDst == NULL )
|
||||
{
|
||||
debug( "Not enough memory" );
|
||||
return FALSE;
|
||||
}
|
||||
prectlScan = prectlDst;
|
||||
for( ulIdx = 0; ulIdx < cSDLRects; ulIdx++, pSDLRects++, prectlScan++ )
|
||||
{
|
||||
prectlScan->xLeft = pSDLRects->x;
|
||||
prectlScan->yTop = pVOData->ulHeight - pSDLRects->y;
|
||||
prectlScan->xRight = prectlScan->xLeft + pSDLRects->w;
|
||||
prectlScan->yBottom = prectlScan->yTop - pSDLRects->h;
|
||||
}
|
||||
|
||||
hps = WinGetPS( hwnd );
|
||||
if ( hps == NULLHANDLE )
|
||||
return FALSE;
|
||||
|
||||
// Make destination region to update.
|
||||
hrgnUpdate = GpiCreateRegion( hps, cSDLRects, prectlDst );
|
||||
// "AND" on visible and destination regions, result is region to update.
|
||||
GpiCombineRegion( hps, hrgnUpdate, hrgnUpdate, pVOData->hrgnVisible,
|
||||
CRGN_AND );
|
||||
|
||||
// Get rectangles of the region to update.
|
||||
rgnCtl.ircStart = 1;
|
||||
rgnCtl.crc = 0;
|
||||
rgnCtl.ulDirection = 1;
|
||||
rgnCtl.crcReturned = 0;
|
||||
GpiQueryRegionRects( hps, hrgnUpdate, NULL, &rgnCtl, NULL );
|
||||
if ( rgnCtl.crcReturned == 0 )
|
||||
{
|
||||
GpiDestroyRegion( hps, hrgnUpdate );
|
||||
WinReleasePS( hps );
|
||||
return TRUE;
|
||||
}
|
||||
// We don't need prectlDst, use it again to store update regions.
|
||||
prectlDst = _getRectlArray( pVOData, rgnCtl.crcReturned );
|
||||
if ( prectlDst == NULL )
|
||||
{
|
||||
debug( "Not enough memory" );
|
||||
GpiDestroyRegion( hps, hrgnUpdate );
|
||||
WinReleasePS( hps );
|
||||
return FALSE;
|
||||
}
|
||||
rgnCtl.ircStart = 1;
|
||||
rgnCtl.crc = rgnCtl.crcReturned;
|
||||
rgnCtl.ulDirection = 1;
|
||||
GpiQueryRegionRects( hps, hrgnUpdate, NULL, &rgnCtl, prectlDst );
|
||||
GpiDestroyRegion( hps, hrgnUpdate );
|
||||
WinReleasePS( hps );
|
||||
cSDLRects = rgnCtl.crcReturned;
|
||||
// Now cRect/prectlDst is a list of regions in window (update && visible).
|
||||
|
||||
// Make lists for blitting from update regions.
|
||||
|
||||
pbrDst = _getBltRectArray( pVOData, cSDLRects );
|
||||
if ( pbrDst == NULL )
|
||||
{
|
||||
debug( "Not enough memory" );
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
prectlScan = prectlDst;
|
||||
pptlSrcOrg = (PPOINTL)prectlDst; // Yes, this memory block will be used again.
|
||||
for( ulIdx = 0; ulIdx < cSDLRects; ulIdx++, prectlScan++, pptlSrcOrg++ )
|
||||
{
|
||||
pbrDst[ulIdx].ulXOrg = pVOData->rectlWin.xLeft + prectlScan->xLeft;
|
||||
pbrDst[ulIdx].ulYOrg = pVOData->ulScreenHeight -
|
||||
( pVOData->rectlWin.yBottom + prectlScan->yTop );
|
||||
pbrDst[ulIdx].ulXExt = prectlScan->xRight - prectlScan->xLeft;
|
||||
pbrDst[ulIdx].ulYExt = prectlScan->yTop - prectlScan->yBottom;
|
||||
pptlSrcOrg->x = prectlScan->xLeft;
|
||||
pptlSrcOrg->y = bmiSrc.ulHeight - prectlScan->yTop;
|
||||
}
|
||||
pptlSrcOrg = (PPOINTL)prectlDst;
|
||||
|
||||
// Request HW
|
||||
sHWReqIn.ulLength = sizeof(HWREQIN);
|
||||
sHWReqIn.ulFlags = REQUEST_HW;
|
||||
sHWReqIn.cScrChangeRects = 1;
|
||||
sHWReqIn.arectlScreen = &pVOData->rectlWin;
|
||||
if ( pfnVMIEntry( 0, VMI_CMD_REQUESTHW, &sHWReqIn, NULL ) != RC_SUCCESS )
|
||||
{
|
||||
debug( "pfnVMIEntry(,VMI_CMD_REQUESTHW,,) failed" );
|
||||
sHWReqIn.cScrChangeRects = 0; // for fail signal only.
|
||||
}
|
||||
else
|
||||
{
|
||||
RECTL rclSrcBounds;
|
||||
|
||||
rclSrcBounds.xLeft = 0;
|
||||
rclSrcBounds.yBottom = 0;
|
||||
rclSrcBounds.xRight = bmiSrc.ulWidth;
|
||||
rclSrcBounds.yTop = bmiSrc.ulHeight;
|
||||
|
||||
sBitbltInfo.ulLength = sizeof(BITBLTINFO);
|
||||
sBitbltInfo.ulBltFlags = BF_DEFAULT_STATE | BF_ROP_INCL_SRC | BF_PAT_HOLLOW;
|
||||
sBitbltInfo.cBlits = cSDLRects;
|
||||
sBitbltInfo.ulROP = ROP_SRCCOPY;
|
||||
sBitbltInfo.pSrcBmapInfo = &bmiSrc;
|
||||
sBitbltInfo.pDstBmapInfo = &bmiDst;
|
||||
sBitbltInfo.prclSrcBounds = &rclSrcBounds;
|
||||
sBitbltInfo.prclDstBounds = &pVOData->rectlWin;
|
||||
sBitbltInfo.aptlSrcOrg = pptlSrcOrg;
|
||||
sBitbltInfo.abrDst = pbrDst;
|
||||
|
||||
// Screen update.
|
||||
if ( pfnVMIEntry( 0, VMI_CMD_BITBLT, &sBitbltInfo, NULL ) != RC_SUCCESS )
|
||||
{
|
||||
debug( "pfnVMIEntry(,VMI_CMD_BITBLT,,) failed" );
|
||||
sHWReqIn.cScrChangeRects = 0; // for fail signal only.
|
||||
/* List of update rectangles. This is the intersection of requested
|
||||
* rectangles and visible rectangles. */
|
||||
if (cSDLRects == 0) {
|
||||
/* Full update requested */
|
||||
stSDLRectDef.x = 0;
|
||||
stSDLRectDef.y = 0;
|
||||
stSDLRectDef.w = bmiSrc.ulWidth;
|
||||
stSDLRectDef.h = bmiSrc.ulHeight;
|
||||
pSDLRects = &stSDLRectDef;
|
||||
cSDLRects = 1;
|
||||
}
|
||||
|
||||
// Release HW.
|
||||
sHWReqIn.ulFlags = 0;
|
||||
if ( pfnVMIEntry( 0, VMI_CMD_REQUESTHW, &sHWReqIn, NULL ) != RC_SUCCESS )
|
||||
debug( "pfnVMIEntry(,VMI_CMD_REQUESTHW,,) failed" );
|
||||
}
|
||||
/* Make list of destination rectangles (prectlDst) list from the source
|
||||
* list (prectl). */
|
||||
prectlDst = _getRectlArray(pVOData, cSDLRects);
|
||||
if (prectlDst == NULL) {
|
||||
debug_os2("Not enough memory");
|
||||
return FALSE;
|
||||
}
|
||||
prectlScan = prectlDst;
|
||||
for (ulIdx = 0; ulIdx < cSDLRects; ulIdx++, pSDLRects++, prectlScan++) {
|
||||
prectlScan->xLeft = pSDLRects->x;
|
||||
prectlScan->yTop = pVOData->ulHeight - pSDLRects->y;
|
||||
prectlScan->xRight = prectlScan->xLeft + pSDLRects->w;
|
||||
prectlScan->yBottom = prectlScan->yTop - pSDLRects->h;
|
||||
}
|
||||
|
||||
return sHWReqIn.cScrChangeRects != 0;
|
||||
hps = WinGetPS(hwnd);
|
||||
if (hps == NULLHANDLE)
|
||||
return FALSE;
|
||||
|
||||
/* Make destination region to update */
|
||||
hrgnUpdate = GpiCreateRegion(hps, cSDLRects, prectlDst);
|
||||
/* "AND" on visible and destination regions, result is region to update */
|
||||
GpiCombineRegion(hps, hrgnUpdate, hrgnUpdate, pVOData->hrgnVisible, CRGN_AND);
|
||||
|
||||
/* Get rectangles of the region to update */
|
||||
rgnCtl.ircStart = 1;
|
||||
rgnCtl.crc = 0;
|
||||
rgnCtl.ulDirection = 1;
|
||||
rgnCtl.crcReturned = 0;
|
||||
GpiQueryRegionRects(hps, hrgnUpdate, NULL, &rgnCtl, NULL);
|
||||
if (rgnCtl.crcReturned == 0) {
|
||||
GpiDestroyRegion(hps, hrgnUpdate);
|
||||
WinReleasePS(hps);
|
||||
return TRUE;
|
||||
}
|
||||
/* We don't need prectlDst, use it again to store update regions */
|
||||
prectlDst = _getRectlArray(pVOData, rgnCtl.crcReturned);
|
||||
if (prectlDst == NULL) {
|
||||
debug_os2("Not enough memory");
|
||||
GpiDestroyRegion(hps, hrgnUpdate);
|
||||
WinReleasePS(hps);
|
||||
return FALSE;
|
||||
}
|
||||
rgnCtl.ircStart = 1;
|
||||
rgnCtl.crc = rgnCtl.crcReturned;
|
||||
rgnCtl.ulDirection = 1;
|
||||
GpiQueryRegionRects(hps, hrgnUpdate, NULL, &rgnCtl, prectlDst);
|
||||
GpiDestroyRegion(hps, hrgnUpdate);
|
||||
WinReleasePS(hps);
|
||||
cSDLRects = rgnCtl.crcReturned;
|
||||
|
||||
/* Now cRect/prectlDst is a list of regions in window (update && visible) */
|
||||
|
||||
/* Make lists for blitting from update regions */
|
||||
pbrDst = _getBltRectArray(pVOData, cSDLRects);
|
||||
if (pbrDst == NULL) {
|
||||
debug_os2("Not enough memory");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
prectlScan = prectlDst;
|
||||
pptlSrcOrg = (PPOINTL)prectlDst; /* Yes, this memory block will be used again */
|
||||
for (ulIdx = 0; ulIdx < cSDLRects; ulIdx++, prectlScan++, pptlSrcOrg++) {
|
||||
pbrDst[ulIdx].ulXOrg = pVOData->rectlWin.xLeft + prectlScan->xLeft;
|
||||
pbrDst[ulIdx].ulYOrg = pVOData->ulScreenHeight -
|
||||
(pVOData->rectlWin.yBottom + prectlScan->yTop);
|
||||
pbrDst[ulIdx].ulXExt = prectlScan->xRight - prectlScan->xLeft;
|
||||
pbrDst[ulIdx].ulYExt = prectlScan->yTop - prectlScan->yBottom;
|
||||
pptlSrcOrg->x = prectlScan->xLeft;
|
||||
pptlSrcOrg->y = bmiSrc.ulHeight - prectlScan->yTop;
|
||||
}
|
||||
pptlSrcOrg = (PPOINTL)prectlDst;
|
||||
|
||||
/* Request HW */
|
||||
sHWReqIn.ulLength = sizeof(HWREQIN);
|
||||
sHWReqIn.ulFlags = REQUEST_HW;
|
||||
sHWReqIn.cScrChangeRects = 1;
|
||||
sHWReqIn.arectlScreen = &pVOData->rectlWin;
|
||||
if (pfnVMIEntry(0, VMI_CMD_REQUESTHW, &sHWReqIn, NULL) != RC_SUCCESS) {
|
||||
debug_os2("pfnVMIEntry(,VMI_CMD_REQUESTHW,,) failed");
|
||||
sHWReqIn.cScrChangeRects = 0; /* for fail signal only */
|
||||
} else {
|
||||
RECTL rclSrcBounds;
|
||||
|
||||
rclSrcBounds.xLeft = 0;
|
||||
rclSrcBounds.yBottom = 0;
|
||||
rclSrcBounds.xRight = bmiSrc.ulWidth;
|
||||
rclSrcBounds.yTop = bmiSrc.ulHeight;
|
||||
|
||||
sBitbltInfo.ulLength = sizeof(BITBLTINFO);
|
||||
sBitbltInfo.ulBltFlags = BF_DEFAULT_STATE | BF_ROP_INCL_SRC | BF_PAT_HOLLOW;
|
||||
sBitbltInfo.cBlits = cSDLRects;
|
||||
sBitbltInfo.ulROP = ROP_SRCCOPY;
|
||||
sBitbltInfo.pSrcBmapInfo = &bmiSrc;
|
||||
sBitbltInfo.pDstBmapInfo = &bmiDst;
|
||||
sBitbltInfo.prclSrcBounds = &rclSrcBounds;
|
||||
sBitbltInfo.prclDstBounds = &pVOData->rectlWin;
|
||||
sBitbltInfo.aptlSrcOrg = pptlSrcOrg;
|
||||
sBitbltInfo.abrDst = pbrDst;
|
||||
|
||||
/* Screen update */
|
||||
if (pfnVMIEntry(0, VMI_CMD_BITBLT, &sBitbltInfo, NULL) != RC_SUCCESS) {
|
||||
debug_os2("pfnVMIEntry(,VMI_CMD_BITBLT,,) failed");
|
||||
sHWReqIn.cScrChangeRects = 0; /* for fail signal only */
|
||||
}
|
||||
|
||||
/* Release HW */
|
||||
sHWReqIn.ulFlags = 0;
|
||||
if (pfnVMIEntry(0, VMI_CMD_REQUESTHW, &sHWReqIn, NULL) != RC_SUCCESS) {
|
||||
debug_os2("pfnVMIEntry(,VMI_CMD_REQUESTHW,,) failed");
|
||||
}
|
||||
}
|
||||
|
||||
return sHWReqIn.cScrChangeRects != 0;
|
||||
}
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
|
||||
Reference in New Issue
Block a user