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Usage of DIVE for developing graphics applications


TITLE: Usage of DIVE for developing graphics applications

DATE: 2002-02-04 12:19:52

AUTHOR: Artem Davidenko
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DIVE (Direct Interface Video Extensions) ... .......... ... ........... ....... . ..... ....... . ..... API ..... ....... ... ".........." ........... ............. ......, ......... . ......... ....... ...... DIVE ............. ... ...... .......... ..... . ............. . ...... ..... ............., ... ......., 2D ....... .....-.......... ... ......... ........ .......

........... ......... .......... DIVE ............ ......... .......:

  • ...... .......... ........ ...........
  • ............. . ............... DIVE
  • ............ ........ .......
  • ........... ..... ......
  • ......... .....-..... ... .....-..... ......... (........... ........)
  • ......... ............. .......
  • ....... ........... ... ....... ......., ....... ....... .......... .......... ...... ....
  • ....... ............ ...... (... banked-.......)

....... .......:

  • CLUT 8 (256 color) - "LUT8"
  • 8-bit grayscale - "GREY"
  • RGB 16 (5-6-5, 5-5-5) - "R565", "R555", "R664"
  • RGB 24 (R-G-B, B-G-R) - "RGB3", "BGR3"
  • RGB 32 (R-G-B, B-G-R) - "RGB4", "BGR4"
  • YUV 9 - DVI/Indeo three-plane color subsampled - "YUV9"
  • YUV 411 - "YUV411"
  • YUV 422 - "YUV422"
  • YUV CCIR601 - three-plane 2x2 color subsampled (MJPEG, MPEG) - "Y2X2"
  • YUV CCIR601 - three-plane 4x4 color subsampled? - "Y4X4"

........ .......:

  • CLUT 8 (256 ......)
  • RGB 16 (5-6-5, 5-5-5, 6-6-4)
  • RGB 24 (R-G-B, B-G-R)
  • RGB 32 (R-G-B-x,? B-G-R-x)
  • Blitter Operation

.......... ... .... ............. DIVE: .......... DIVE-........ . ...... ...... . ....... ......... .................. .............. DIVE . .......... DIVE handle: 

ULONG  ulErrorCode;
HDIVE  *phDiveInst;
BOOL   fNonScreenInstance;
PPVOID ppFrameBuffer;

ulErrorCode = DiveOpen(*phDiveInst, fNonScreenInstance, ppFrameBuffer);

....... DiveClose ...... .... ....... .. ......... ...... ...........

.... DIVE .......... ........ . .....-....., .. fNonScreenInstance ...... .... ........... . FALSE, ....., .... DIVE ............ ...... ... ......... ....... ..... ... ......... ....... ...... ... ...... .. ..... fNonScreenInstance = TRUE. ..... DIVE ... ............ ....... 2D .......... ... ........ ...... ......, .. ...... .... ......... ... ...... DiveAllocImageBuffer. ......... ........ .......... ... ... .......: 

ULONG   ulBufNum;
FOURCC  fccColorSpace;
ULONG   ulWidth, ulHeight, ulLineSizeBytes;
PBYTE   pbImageBuffer;

ulErrorCode = DiveAllocImageBuffer
              (
               hDive,             /* DIVE ..... */
               &ulBufNum,         /* ..... ...... */
               fccColorSpace,     /* ...... */
               ulWidth, ulHeight, /* ............ ...... ........... */
               ulLineSizeBytes,
               &pbImageBuffer
              );

..... .... ... ..... ........., ..... ....... . .... .......... ....... ....... DiveBeginImageBufferAccess ..., ... ... ........ . ......... .......: 

PBYTE   pbImageBuffer;
ULONG   ulBufferScanLineBytes, ulBufferScanLines;

ulErrorCode = DiveBeginImageBufferAccess
              (
               hDiveInst,              /* DIVE ..... */
               ulBufferNumber,         /* ..... ...... */
               &pbImageBuffer,         /* ......... .. ..... */
               &ulBufferScanLineBytes, /* ...... ..... . ...... */
               &ulBufferScanLines      /* ..... ..... */
               );

DIVE ......... .......... .... .. .... ..... ...... . .......... ........ . ulBufferScanLineBytes. ..... .......... ..... ......... ...... ...... . pbImageBuffer. ..... .... ... ...... .... ........, .......... ...... ....... DiveEndImageBufferAccess.

.......... ...... ............. DIVE . ......... .......... ....... .. ..... ... ............. . ... ...... ..... ........ ... ............. .......... . ... .......... ......... WM_REALIZEPALETTE ...... .......... ......... ..................: 

BYTE       pbPal 1024;

/* ...... ....... .......... ....... . Presentation Manager */
GpiQueryRealColors(hps, 0, 0, 256, (PLONG)pbPal);

/* ......... .. ... ....... ....... . DIVE */
DiveSetDestinationPalette(hDive, (PBYTE)pbPal);

.... .......... .... .......... ....... (........, ... ...... ........... ........... .. .....), ... ...... .... ........ DIVE ........... DiveSetSourcePalette. .... .............. ..... ..... ........... . ..... ......., .. ..... ....... ......... ...... ..... ....... ....... ............

DIVE ............ ................ .......... ...... . ..... Presentation Manager. ... .......... ...... ......... . PM ........., DIVE .......... ...... ........ DIVE .. .......... ........ ....... .... .........., ...-.. .......... ..... ....... ..............

...... DIVE .......... .. ..... ............. ...... ............. ........... ........ ....... ......... .......: 

WinSetVisibleRegionNotify(hwnd, TRUE);

...... ........ .... ..... .... ... ............ ........... ........, ...... - ........ ........... ... ..... ..... .. ......... ...... .........., ...... .......... .......: 

WinSetVisibleRegionNotify(hwnd, FALSE);

... .......... ............

... ......... ........ ....... ...., ........, ..... ... .... .......... ... ... ....... ... ...... ... ...... .... ... ...... ......... ... ... ........... ... ......... ......., .... ........ ......... WM_VRNDISABLED. . ..... .. ... ......... DIVE .......... ...... ....... 

DiveSetupBlitter(hDiveInst, 0);

..... .... ... ........... ........, .... ........ ......... WM_VRNENABLED. ......... ..... ...... ......... ...... ...... ........ ......., ........... ....... WinQueryVisibleRegion: 

hps = WinGetPS(hwnd);
hrgn = GpiCreateRegion(hps, 0, NULL);
WinQueryVisibleRegion(hwnd, hrgn);

....... DiveSetupBlitter ...... .......... ...... ... ... .......... ........ ......., ....... ....., ........ ......... . ........ ............ ... ...... ......... ........ ...: 

RECTL   rctls;
RGNRECT rgnCtl;
SETUP_BLITTER   SetupBlitter;
POINTL  pointl;
SWP     swp;
HPS     hps;
HRGN    hrgn;

rgnCtl.ircStart = 0;
rgnCtl.crc = 50;
rgnCtl.ulDirection = RECTDIR_LFRT_TOPBOT;

/* ......... ........ ....... */
GpiQueryRegionRects(hps, hrgn, NULL, &rgnCtl, rctls);

/* ......... ....... ........ .... ............ .............. */
WinQueryWindowPos( hwnd, &swp );

/* ....... ....... .... .. ....... */
pointl.x = swp.x;
pointl.y = swp.y;
WinMapWindowPoints(WinQueryWindow(hwnd, QW_PARENT), 
                   HWND_DESKTOP, &pointl, 1);

/* ........ .......... . ..... .......... . DIVE */
SIZEL   sizlSrcImg;  /* ...... ......... ........... */
FOURCC  fccSrcColors /* ...... */

SetupBlitter.ulStructLen = sizeof (SETUP_BLITTER);
SetupBlitter.fInvert = 0;
SetupBlitter.fccSrcColorFormat = fccSrcColors;
SetupBlitter.ulSrcLineSizeBytes = ulScanLineBytes;
SetupBlitter.ulSrcWidth = sizlSrcImg.cx;
SetupBlitter.ulSrcHeight = sizlSrcImg.cy;
SetupBlitter.ulSrcPosX = 0;
SetupBlitter.ulSrcPosY = 0;
SetupBlitter.fccDstColorFormat = FOURCC_SCRN;
SetupBlitter.ulDstLineSizeBytes = 0;
SetupBlitter.ulDstWidth = swp.cx;
SetupBlitter.ulDstHeight = swp.cy;
SetupBlitter.ulDstPosX = 0;
SetupBlitter.ulDstPosY = 0;
SetupBlitter.lScreenPosX = pointl.x;
SetupBlitter.lScreenPosY = pointl.y;
SetupBlitter.ulNumDstRects = rgnCtl.crcReturned;
SetupBlitter.pVisDstRects = rctls;
DiveSetupBlitter (hDive, &SetupBlitter);

...... ..... ......... ........... ........... ........... fccSrcColors.

. ........... .... ......., DIVE ....... ............... ... ...... . ........... .. ... .. ............ ....... ............. ......... .. ..... ........... ...-.. ... ......... ....... ..... ... ......... ....... . ....... . ...... ...... ....... ...... ..... ...... .... .......... . fccDstColorFormat. ulDstWidth . ulDstHeight ...... ......... ..... ...... ..........., ulNumDstRects ...... .... ..... 1 . pVisDstRects ...... ......... .. ....... . xLeft = yBottom = 0, xRight = ulDstWidth . yTop = ulDstHeight.

... ........... ....., *ppFrameBuffer ............ DiveOpen ...... ... ...... ......... . .....-....... .... ..... ....... ............, ... .......... ..... .... .............. ............., ......... ..... . ............ ....... ....... ........... ... ....... .......:

  • DiveAcquireFrameBuffer
  • DiveDeacquireFrameBuffer
  • DiveSwitchBank
  • DiveCalcFrameBufferAddress

....... DiveQueryCaps ............ ... ......... .......... . .......... ..... .......... . banked ....... DiveCalcFrameBufferAddress ........ ........ ..... ....... 

PRECTL prectlDest;          /* .......... . ........ */
PVOID  pDestinationAddress; /* ..... ...... */
PULONG pulBankNumber;       /* ..... ..... */
PULONG pulRemlinesInBank;   /* ....., .......... . ..... */

ulErrorCode = DiveCalcFrameBufferAddress
              (
               hDiveInst, &prectlDest, &pDestinationAddress,
               &pulBankNumber, &pulRemlinesInBank
              );

... .......... ........... ............. prectlDest ...... .......... ...... ....... ....... .... ........... .... ....... ..... ..... ....... ............ ......, .. .......... .. ...... ........ ...... ... pulRemlinesInBank ..... ... ....... ...... ...... ......... . pDestinationAddress ...... .... .... .. ....... ... . .....-.....(... DiveQueryCaps) (... .......... .. . ..... .... ..... ............ ... ... .. DIVE). .... . ...., .... ....... ..... ........ .........., .. ...... ...... ............... .......... ........

... ...... . ..... ...... .......... . DiveAcquireFrameBuffer . ............. DiveDeacquireFrameBuffer. ..... .... .......... .. ...... ........ ....... . .....-...... ..... ........... WM_VRNDISABLED . WM_VRNENABLED. ......... ........ ............ ...... ..... .....-..... ... ......... .. ...... .... fFBAccessOK ......... ..... .......... ........ ......... WM_VRNDISABLED . ............... ... ......... WM_VRNENABLED. 

BOOL  fKeepBlitting = TRUE;
BOOL  fFBAccessOK;
RECTL rectlOutput;
RECTL rectlDest;
ULONG ulMoreLines;
LONG  lBlitTop;
PVOID pDestinationAddress;
ULONG ulBankNumber;
ULONG ulRemlinesInAperature;
BOOL  fAcquired = FALSE;

while (fKeepBlitting)
.
   /* ... ..... ..... DiveSetupBlitter ... . ...... ...    */
   /********************************************************/
   /* .......... .......... ..... ... ....... ..... ...... */
   /* ... ..... ....... ......... . ....... .....          */
   /* ............ ...... .... ... ........... .. .....    */
   /* .........                                            */
   /********************************************************/

   ulMoreLines = rectlDest.yTop - rectlDest.yBottom;
   memcpy(&rectlDest, &rectlOutput, sizeof(RECTL));
   while (ulMoreLines && fFBAccessOK)
   .
      ulErrorCode = DiveCalcFrameBufferAddress
                    (
                     hDive, rectlDest, &pDestinationAddress,
                     &ulBankNumber, &ulRemlinesInAperture
                    );
      if (!fAcquired)
      if (!DiveAcquireFrameBuffer(hDive, ulBankNumber)) 
       fAcquired = TRUE;
       else break;
       
      DiveSwitchBank(hDive, ulBankNumber);
      .
         if (ulRemlinesInAperture < ulMoreLines)
         .
            rectlDest.yTop -= ulRemlinesInAperture;
            ulMoreLines -= ulRemlinesInAperture;
         .
         else ulMoreLines = 0;
      .
      if (fAcquired)
       DiveDeacquireFrameBuffer(hDive);
   . /* end: .... .... ..... ... ...... */
. /* end: .... ...... */

.... .......:

  • ...... ....., .... ... ........, ..... ........... . ........ ......
  • ....... ....... ..... (..... ..........) . ......... .....
  • ........ ... DIVE ..... . ....... - book/mmref2.inf
  • ....... ... . ...-.. ....... - samples/mm/dive/ . /samples/mm/fsdive/
  • ..... ........ ...... ....... .......... ........ ...... ......... ................ ... /2 (. . ......... .......).
  • ...-.. ....... ................ RDM2.

..... .. ...... .......... .. ....... ............. DIVE

........... ..... . .. ...... ... dos'a (......... .....-...... dpmi ...... (os/2 . ........ ....... ........:))
... ...... "the Matrix" :)
......., ... . ........ ...........

- ..... ......... aka sNOa aka 2:5036/12.777

P.S.

.. .... ... ...... ........ ......... divestuff.zip, ........ . CD06.

P.P.S.

greetings .... ........ ....... ..... . .. ... . /2 .... ........

.... ... ..... .. #os2russian

e-Deniska . e-co .. ............. ....... .. .......

Lelik - WarpVision ...... .....

[zuko] - .. ... ........ .... ...... .. ..... (....... ../...)

nickk - . ......... .. ..... mkisofs

RElf - .. ......... ........ ..........

Test the program:

ACPI kernel - it is aimed to reduce power consumption, noise (results of experiments)

Comments:

Validator
2002-02-04 16:00:00

...... "........" - ......... ..... ......... :-). . .... . .. .. Warp4+XRRM15+14.082c+SDD b44 - ... ........ ...... ......... ....... .... . .. ....., ...... . ....... .........? |-)

sNOa
2002-02-04 17:33:34

...... ... .. ........., . ........ .....(.......... ... ..... ...... ........... ..... .......... . ......). ... ........ .. ACP2+SDD b43.

......
2002-02-04 17:44:35

2sNOa: . ... .....-...... ..... ....? .... .....-...... ........., .. ..........?

Sergey Posokhov
2002-02-04 18:49:19

Bugs, ........... .....-.. ..........

..... ..... ..... . ........ .....!!!

... ..... .. 5 .. 8 ........ :-)

zuko
2002-02-04 20:05:44

sNOa: ../...

sNOa
2002-02-04 21:28:57

2zuko: .......

2......: .....-.. .... . ... . ........ .......

.. .... .. ........ ... ... :(

Max Droganow
2002-02-05 09:48:34

....- .. ... .......-.. ......... ??? ....... ... .... - .. .... ....-.-.-.-..... (........ .... .... . ....... .. ......... - .... .. .. ... ........ ...... ;-))))) )

Max Droganow
2002-02-05 09:50:31

. ...... - .... ......... ........... ......... (PSSST-4 ZX Speccy)

RElf
2002-02-05 11:16:29

. ....... .. ... . ....... ... . DIVE .........:

Fix for DIVE.DLL to allow hicolor. Look for 0BC0C745F000 and replace the latest 00 with 01. Don't forget to unpack by lxLite before!

SERG
2002-02-05 11:57:07

..... ......... ............

........ .... ... .. .....

.... ......... ............ ......... .... ........ . .... xonex.

Eugene Gorbunoff
2002-02-05 13:13:02

........ .... ... ............ ...-...... .... "...... ........ ..... .........".

Eugene
2002-02-05 14:28:15

.. FAQ .. ...... ".......":

Q: ... ... .. ........ ..... . .... .......?

A: ... ..... . ......... .......... ........ ..... ........ .........

sNOa
2002-02-05 14:58:02

eros2: ......., .....

RElf: .... .., .... ..... ....., .... ..... .......(........... .... .... ............ . ......).

ppl: . ... ...... .. ...... ........ ..... ........

Max Droganow
2002-02-07 12:11:18

... ..... .... ..... ........... .... ....... ......... ... ........ ... . ......... ........... - ..... ............ .... - ........ ...... . .........., .. ......... .. .......

.... ........
2002-02-11 07:19:45

. ...... Matrix .......... ... ...... . ............, .?

..... ........

sNOa
2002-02-12 22:14:04

2 .... ........: . . ...... ........?

RElf
2002-02-13 04:35:31

... . ....., ....... .....

[url]

ErOS2 ...... ......... DIVE ....... . ...., ....... ... ......... IFSIM2. .. ..... ..... .. ... ........ [url]

... ..., ..... . .... .......... .. ..............

ErOs2
2002-02-13 14:35:13

..... .......... ...... ... ........ .... . ...... .............. ...... ....... . ..... ........ . ScreenSaver (by ....... .....) . Blanker. ...... .... .. ........

Deniska
2002-02-13 15:15:15

. .......... exe .. ..... ........? . .. ....... ... .... .. ......., . ... .. IFSIM - ..... ........ ......

ErOs2
2002-02-13 17:19:42

to Deniska: .... ....

.... ........
2002-03-04 07:16:36

to ErOs2 & sNOa: ...., ......, .. ........ "......." . ..............

sNOa
2002-03-04 18:45:52

...., ....... ..:) ....

LightElf
2002-03-16 10:31:02

........ .. ............ .. .... ........:

1. ....... .......... ........... ..... .......... (. .....-.. .......) .. ....... .......... ......... . ...... .............. ....... ........, ....... .......... ....... DiveQueryCaps. .... .......... ......... ..., .. ...... (........ ................ . ..... ...... DIVE) ..... FOURCC_R565. ... ....... . ....... ........... ............ ....... . ...... ..... ......., .............. .............. ... ..... .... ....... ... ..., ... ..... ............. .............

2. ... ....... .......... ..........., ..... .......... .. DiveAllocImageBuffer ....... ............. . ........... .. ..... ........... ............. (........... .. .......... .. ...... . ......, ...... ...... ..... .........), ... ... . .... ..... .... ...... ...... . ... ..... ..... .......

How to prevent data loss? a) don't use old version of JFS driver. b) Don't boot from old eCS CD1 (if you take eCS 2.0 CD1, then disable its disk checker else it can kill your partitions), Advice how to use JFS filesystem

 


 

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