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SDL-1.2.14
[sdl_omap.git] / src / video / symbian / EKA2 / dsa.cpp
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e14743d1 1#include "dsa.h"
2#include "sdlepocapi.h"
3#include <cdsb.h>
4
5
6LOCAL_C TInt BytesPerPixel(TDisplayMode aMode)
7 {
8 return ((TDisplayModeUtils::NumDisplayModeBitsPerPixel(aMode) - 1) >> 3) + 1;
9 }
10
11
12
13
14template<class T>
15NONSHARABLE_CLASS(CBitmapSurface) : public T
16 {
17public:
18 CBitmapSurface(RWsSession& aSession);
19private:
20 void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
21 ~CBitmapSurface();
22 TUint8* LockSurface();
23 void UnlockHwSurface();
24 void CreateSurfaceL();
25 void Wipe(TInt aLength);
26 void Free();
27 void Update(CFbsBitmap& aBmp);
28 TInt ExternalUpdate();
29private:
30 CFbsBitmap* iBmp;
31 CFbsBitmap* iCopyBmp;
32 };
33
34
35template<class T>
36void CBitmapSurface<T>::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice)
37 {
38 delete iCopyBmp;
39 iCopyBmp = NULL;
40 iCopyBmp = new (ELeave) CFbsBitmap();
41 T::ConstructL(aWindow, aDevice);
42 }
43
44template<class T>
45CBitmapSurface<T>::CBitmapSurface(RWsSession& aSession) : T(aSession)
46 {
47 }
48
49template<class T>
50void CBitmapSurface<T>::Free()
51 {
52 delete iBmp;
53 iBmp = NULL;
54 T::Free();
55 }
56
57template<class T>
58CBitmapSurface<T>::~CBitmapSurface()
59 {
60 __ASSERT_DEBUG(iBmp == NULL, PANIC(KErrNotReady));
61 delete iCopyBmp;
62 }
63
64template<class T>
65TUint8* CBitmapSurface<T>::LockSurface()
66 {
67 iBmp->LockHeap();
68 return reinterpret_cast<TUint8*>(iBmp->DataAddress());
69 }
70
71
72template<class T>
73void CBitmapSurface<T>::UnlockHwSurface()
74 {
75 iBmp->UnlockHeap();
76 T::SetUpdating(EFalse);
77 Update(*iBmp);
78 }
79
80
81template<class T>
82void CBitmapSurface<T>::Update(CFbsBitmap& aBmp)
83 {
84 if(!T::Blitter(aBmp))
85 {
86 if(T::SwSize() == T::HwRect().Size())
87 T::Gc().BitBlt(T::HwRect().iTl, &aBmp);
88 else
89 T::Gc().DrawBitmap(T::HwRect(), &aBmp);
90 }
91 T::DrawOverlays();
92 T::CompleteUpdate();
93 }
94
95template<class T>
96void CBitmapSurface<T>::CreateSurfaceL()
97 {
98 Free();
99 iBmp = new (ELeave) CFbsBitmap();
100 User::LeaveIfError(iBmp->Create(T::SwSize(), T::DisplayMode()));
101 T::CreateSurfaceL(*iBmp);
102 }
103
104template<class T>
105void CBitmapSurface<T>::Wipe(TInt aLength) //dont call in drawing
106 {
107 iBmp->LockHeap();
108 Mem::FillZ(iBmp->DataAddress(), aLength);
109 iBmp->UnlockHeap();
110 }
111
112template<class T>
113TInt CBitmapSurface<T>::ExternalUpdate()
114 {
115 if(iCopyBmp->Handle() == 0)
116 {
117 const TInt err = iCopyBmp->Duplicate(iBmp->Handle());
118 if(err != KErrNone)
119 return err;
120 }
121 Update(*iCopyBmp);
122 return KErrNone;
123 }
124
125
126//////////////////////////////////////////////////////////////////////
127
128
129
130NONSHARABLE_CLASS(CDsaBitgdi) : public CDsa
131 {
132public:
133 CDsaBitgdi(RWsSession& aSession);
134protected:
135 void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
136 CBitmapContext& Gc();
137 void CompleteUpdate();
138 ~CDsaBitgdi();
139 void CreateSurfaceL(CFbsBitmap& aBmp);
140 void Free();
141 void UnlockHWSurfaceRequestComplete();
142private:
143 void Resume();
144
145 CFbsBitGc* iGc;
146 CFbsDevice* iDevice;
147 CFbsBitmap* iBitGdiBmp;
148 CWindowGc* iWinGc;
149 RWindow* iWindow;
150 TInt iHandle;
151 };
152
153
154CDsaBitgdi::CDsaBitgdi(RWsSession& aSession) : CDsa(aSession)
155 {
156 }
157
158CDsaBitgdi::~CDsaBitgdi()
159 {
160 delete iWinGc;
161 delete iBitGdiBmp;
162 }
163
164void CDsaBitgdi::CompleteUpdate()
165 {
166 EpocSdlEnv::Request(CDsa::ERequestUpdate);
167 }
168
169
170void CDsaBitgdi::UnlockHWSurfaceRequestComplete()
171 {
172 if(iHandle == 0)
173 return;
174
175 if(iBitGdiBmp == NULL)
176 {
177 iBitGdiBmp = new CFbsBitmap();
178 if(iBitGdiBmp == NULL)
179 return;
180 iBitGdiBmp->Duplicate(iHandle);
181 }
182
183 iWindow->Invalidate();
184
185 iWindow->BeginRedraw();
186 iWinGc->Activate(*iWindow);
187 iWinGc->BitBlt(TPoint(0, 0), iBitGdiBmp);
188 iWinGc->Deactivate();
189 iWindow->EndRedraw();
190 }
191
192void CDsaBitgdi::Resume()
193 {
194 Start();
195 }
196
197CBitmapContext& CDsaBitgdi::Gc()
198 {
199 return *iGc;
200 }
201
202 void CDsaBitgdi::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice)
203 {
204
205 delete iBitGdiBmp;
206 iBitGdiBmp = NULL;
207 delete iWinGc;
208 iWinGc = NULL;
209 iHandle = 0;
210
211 iWindow = &aWindow;
212 User::LeaveIfError(aDevice.CreateContext(iWinGc));
213 CDsa::ConstructL(aWindow, aDevice);
214 Start();
215 }
216
217void CDsaBitgdi::CreateSurfaceL(CFbsBitmap& aBmp)
218 {
219 iDevice = CFbsBitmapDevice::NewL(&aBmp);
220 User::LeaveIfError(iDevice->CreateContext(iGc));
221 iHandle = aBmp.Handle();
222 }
223
224void CDsaBitgdi::Free()
225 {
226 delete iGc;
227 iGc = NULL;
228 delete iDevice;
229 iDevice = NULL;
230 }
231
232////////////////////////////////////////////////////////////////////////
233///////////////////////////////////////////////////////////////////////
234
235NONSHARABLE_CLASS(CDsaBase) : public CDsa, public MDirectScreenAccess
236 {
237protected:
238 inline CDirectScreenAccess& Dsa() const;
239 CDsaBase(RWsSession& aSession);
240 ~CDsaBase();
241 void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
242 void Stop();
243 void Resume();
244 CBitmapContext& Gc();
245protected:
246 CDirectScreenAccess* iDsa;
247private:
248 void AbortNow(RDirectScreenAccess::TTerminationReasons aReason);
249 void Restart(RDirectScreenAccess::TTerminationReasons aReason);
250private:
251 void RestartL();
252 };
253
254
255inline CDirectScreenAccess& CDsaBase::Dsa() const
256 {
257 return *iDsa;
258 }
259
260
261CDsaBase::CDsaBase(RWsSession& aSession) : CDsa(aSession)
262 {
263 }
264
265CBitmapContext& CDsaBase::Gc()
266 {
267 return *Dsa().Gc();
268 }
269
270void CDsaBase::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice)
271 {
272 CDsa::ConstructL(aWindow, aDevice);
273 if(iDsa != NULL)
274 {
275 iDsa->Cancel();
276 delete iDsa;
277 iDsa = NULL;
278 }
279
280 iDsa = CDirectScreenAccess::NewL(
281 Session(),
282 aDevice,
283 aWindow,
284 *this);
285 RestartL();
286 }
287
288void CDsaBase::Resume()
289 {
290 if(Stopped())
291 Restart(RDirectScreenAccess::ETerminateRegion);
292 }
293
294CDsaBase::~CDsaBase()
295 {
296 if(iDsa != NULL)
297 {
298 iDsa->Cancel();
299 }
300 delete iDsa;
301 }
302
303
304void CDsaBase::RestartL()
305 {
306
307
308 iDsa->StartL();
309
310 const RRegion* r = iDsa->DrawingRegion();
311 const TRect rect = r->BoundingRect();
312 iDsa->Gc()->SetClippingRegion(r);
313
314 if(rect != ScreenRect())
315 {
316 return ;
317 }
318
319
320 SetTargetRect();
321 RecreateL();
322
323 Start();
324
325
326 }
327
328void CDsaBase::AbortNow(RDirectScreenAccess::TTerminationReasons /*aReason*/)
329 {
330 Stop();
331 }
332
333void CDsaBase::Restart(RDirectScreenAccess::TTerminationReasons aReason)
334 {
335 if(aReason == RDirectScreenAccess::ETerminateRegion) //auto restart
336 {
337 TRAPD(err, RestartL());
338 PANIC_IF_ERROR(err);
339 }
340 }
341
342
343void CDsaBase::Stop()
344 {
345 CDsa::Stop();
346 iDsa->Cancel();
347 }
348
349
350 ///////////////////////////////////////////////////////////////////////
351 ///////////////////////////////////////////////////////////////////////
352NONSHARABLE_CLASS(TDsa)
353 {
354 public:
355 inline TDsa(const CDsa& aDsa);
356 inline TBool IsFlip() const;
357 inline TBool IsTurn() const;
358 inline const TSize& SwSize() const;
359 inline void Copy(TUint32* aTarget, const TUint8* aSrc, TInt aBytes, TInt aHeight) const;
360 private:
361 const CDsa& iDsa;
362 };
363
364
365
366
367inline TDsa::TDsa(const CDsa& aDsa) : iDsa(aDsa)
368 {
369 }
370
371inline TBool TDsa::IsTurn() const
372 {
373 return iDsa.iStateFlags & CDsa::EOrientation90;
374 }
375
376inline TBool TDsa::IsFlip() const
377 {
378 return iDsa.iStateFlags & CDsa::EOrientation180;
379 }
380
381inline const TSize& TDsa::SwSize() const
382 {
383 return iDsa.SwSize();
384 }
385
386inline void TDsa::Copy(TUint32* aTarget, const TUint8* aSrc, TInt aBytes, TInt aHeight) const
387 {
388 iDsa.iCopyFunction(iDsa, aTarget, aSrc, aBytes, aHeight);
389 }
390
391template<class T, class S>
392void ClipCopy(const TDsa& iDsa, TUint8* aTarget,
393 const TUint8* aSource,
394 const TRect& aUpdateRect,
395 const TRect& aSourceRect)
396 {
397 const S* source = reinterpret_cast<const S*>(aSource);
398 const TInt lineWidth = aSourceRect.Width();
399
400 source += (aUpdateRect.iTl.iY * lineWidth);
401 const TInt sourceStartOffset = aUpdateRect.iTl.iX;
402 source += sourceStartOffset;
403
404 T* targetPtr = reinterpret_cast<T*>(aTarget);
405
406 const TInt scanLineWidth = iDsa.SwSize().iWidth;
407
408 targetPtr += (aSourceRect.iTl.iY + aUpdateRect.iTl.iY ) * scanLineWidth;
409 const TInt targetStartOffset = (aUpdateRect.iTl.iX + aSourceRect.iTl.iX);
410
411 targetPtr += targetStartOffset;
412
413
414 const TInt height = aUpdateRect.Height();
415
416 const TInt lineMove = iDsa.IsTurn() ? 1 : lineWidth;
417 const TInt copyLen = aUpdateRect.Width();
418
419
420 if(iDsa.IsFlip())
421 {
422
423 targetPtr += scanLineWidth * (height - 1);
424
425 for(TInt i = 0; i < height; i++) //source is always smaller
426 {
427 iDsa.Copy(reinterpret_cast<TUint32*>(targetPtr), reinterpret_cast<const TUint8*>(source), copyLen, height);
428 source += lineMove;
429 targetPtr -= scanLineWidth;
430 }
431 }
432 else
433 {
434
435
436 for(TInt i = 0; i < height; i++) //source is always smaller
437 {
438 iDsa.Copy(reinterpret_cast<TUint32*>(targetPtr), reinterpret_cast<const TUint8*>(source), copyLen, height);
439 source += lineMove;
440 targetPtr += scanLineWidth; // >> 2;
441 }
442 }
443
444 }
445
446
447
448NONSHARABLE_CLASS(CDsaA) : public CDsaBase
449 {
450 public:
451 CDsaA(RWsSession& aSession);
452 protected:
453 void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
454 void CompleteUpdate();
455 void CreateSurfaceL(CFbsBitmap& aBmp);
456 void Free();
457 void UnlockHWSurfaceRequestComplete();
458 };
459
460
461CDsaA::CDsaA(RWsSession& aSession) : CDsaBase(aSession)
462 {
463 }
464
465
466void CDsaA::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice)
467 {
468 CDsaBase::ConstructL(aWindow, aDevice);
469 }
470
471void CDsaA::CompleteUpdate()
472 {
473 iDsa->ScreenDevice()->Update();
474 }
475
476void CDsaA::CreateSurfaceL(CFbsBitmap& /*aBmp*/)
477 {
478 }
479
480void CDsaA::Free()
481 {
482
483 }
484
485void CDsaA::UnlockHWSurfaceRequestComplete()
486 {
487 PANIC(KErrNotSupported);
488 }
489
490
491
492//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
493
494NONSHARABLE_CLASS(MDsbObs)
495 {
496 public:
497 virtual void SurfaceReady() = 0;
498 virtual CDirectScreenBitmap& Dsb() = 0;
499 };
500
501NONSHARABLE_CLASS(CDsbSurface) : public CActive
502 {
503 public:
504 CDsbSurface(MDsbObs& aDsb);
505 TUint8* Address();
506 void Complete();
507 ~CDsbSurface();
508 private:
509 void RunL();
510 void DoCancel();
511 private:
512 MDsbObs& iDsb;
513 TUint8* iAddress;
514 };
515
516CDsbSurface::CDsbSurface(MDsbObs& aDsb) : CActive(CActive::EPriorityHigh) , iDsb(aDsb)
517 {
518 CActiveScheduler::Add(this);
519 }
520
521CDsbSurface::~CDsbSurface()
522 {
523 Cancel();
524 }
525
526void CDsbSurface::Complete()
527 {
528 if(iAddress != NULL && !IsActive())
529 {
530 iAddress = NULL;
531 SetActive();
532 iDsb.Dsb().EndUpdate(iStatus);
533 }
534 }
535
536TUint8* CDsbSurface::Address()
537 {
538 if(iAddress == NULL && !IsActive())
539 {
540 TAcceleratedBitmapInfo info;
541 if(KErrNone == iDsb.Dsb().BeginUpdate(info))
542 iAddress = info.iAddress;
543 }
544 return iAddress;
545 }
546
547void CDsbSurface::RunL()
548 {
549 iDsb.SurfaceReady();
550 }
551
552void CDsbSurface::DoCancel()
553 {
554 //empty
555 }
556
557NONSHARABLE_CLASS(CDsaB) : public CDsaBase,
558 public MDsbObs
559 {
560 public:
561 CDsaB(RWsSession& aSession, TInt aFlags);
562 private:
563 ~CDsaB();
564 TUint8* LockSurface();
565 void UnlockHWSurfaceRequestComplete();
566 void UnlockHwSurface();
567 void CreateSurfaceL();
568 void Wipe(TInt aLength);
569 void RecreateL();
570 void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
571 CDirectScreenBitmap& Dsb();
572 void SurfaceReady();
573 TInt ExternalUpdate();
574 private:
575 CDsbSurface* iSurface1;
576 CDsbSurface* iSurface2;
577 CDirectScreenBitmap* iDsb;
578 TInt iType;
579 };
580
581CDsaB::CDsaB(RWsSession& aSession, TInt aFlags) : CDsaBase(aSession), iType(aFlags)
582 {
583 }
584
585
586
587void CDsaB::UnlockHWSurfaceRequestComplete()
588 {
589 iSurface1->Complete();
590 if(iSurface2 != NULL)
591 iSurface2->Complete();
592 }
593
594void CDsaB::CreateSurfaceL()
595 {
596 __ASSERT_ALWAYS(SwSize() == HwRect().Size(), PANIC(KErrNotSupported));
597 }
598
599void CDsaB::Wipe(TInt aLength) //dont call in drawing
600 {
601 TUint8* addr = LockSurface();
602 if(addr != NULL)
603 {
604 Mem::FillZ(addr, aLength);
605 UnlockHwSurface();
606 }
607 }
608
609
610void CDsaB::UnlockHwSurface()
611 {
612 EpocSdlEnv::Request(CDsa::ERequestUpdate);
613 }
614
615TUint8* CDsaB::LockSurface()
616 {
617 TUint8* addr = iSurface1->Address();
618 if(addr == NULL && iSurface2 != NULL)
619 addr = iSurface2->Address();
620 SetUpdating(addr == NULL);
621 return addr;
622 }
623
624void CDsaB::SurfaceReady()
625 {
626 SetUpdating(EFalse);
627 }
628
629CDirectScreenBitmap& CDsaB::Dsb()
630 {
631 return *iDsb;
632 }
633
634void CDsaB::ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice)
635 {
636 if(iDsb == NULL)
637 iDsb = CDirectScreenBitmap::NewL();
638 CDsaBase::ConstructL(aWindow, aDevice);
639 if(iSurface1 == NULL)
640 iSurface1 = new (ELeave) CDsbSurface(*this);
641 if(iSurface2 == NULL && iType & CDirectScreenBitmap::EDoubleBuffer)
642 iSurface2 = new (ELeave) CDsbSurface(*this);
643 }
644
645CDsaB::~CDsaB()
646 {
647 delete iSurface1;
648 delete iSurface2;
649 delete iDsb;
650 }
651
652void CDsaB::RecreateL()
653 {
654 iDsb->Close();
655 iDsb->Create(HwRect(), CDirectScreenBitmap::TSettingsFlags(iType));
656 }
657
658TInt CDsaB::ExternalUpdate()
659 {
660 if(LockSurface())
661 {
662 UnlockHWSurfaceRequestComplete();
663 return KErrNone;
664 }
665 return KErrNotReady;
666 }
667
668
669/////////////////////////////////////////////////////////////////////////////////////////////////////
670
671
672
673CDsa* CDsa::CreateL(RWsSession& aSession)
674 {
675 if(EpocSdlEnv::Flags(CSDL::EDrawModeDSB))
676 {
677 TInt flags = CDirectScreenBitmap::ENone;
678 if(EpocSdlEnv::Flags(CSDL::EDrawModeDSBDoubleBuffer))
679 flags |= CDirectScreenBitmap::EDoubleBuffer;
680 if(EpocSdlEnv::Flags(CSDL::EDrawModeDSBIncrementalUpdate))
681 flags |= CDirectScreenBitmap::EIncrementalUpdate;
682 return new (ELeave) CDsaB(aSession, flags);
683 }
684 else if(EpocSdlEnv::Flags(CSDL::EDrawModeGdi))
685 {
686 return new (ELeave) CBitmapSurface<CDsaBitgdi>(aSession);
687 }
688 else
689 {
690 return new (ELeave) CBitmapSurface<CDsaA>(aSession);
691 }
692 }
693
694
695void CDsa::RecreateL()
696 {
697 }
698
699void CDsa::Free()
700 {
701 }
702
703TSize CDsa::WindowSize() const
704 {
705 TSize size = iSwSize;
706 if(iStateFlags & EOrientation90)
707 {
708 const TInt tmp = size.iWidth;
709 size.iWidth = size.iHeight;
710 size.iHeight = tmp;
711 }
712 return size;
713 }
714
715void CDsa::SetSuspend()
716 {
717 iStateFlags |= ESdlThreadSuspend;
718 }
719
720
721void CDsa::SetUpdating(TBool aUpdate)
722 {
723 if(aUpdate)
724 iStateFlags |= EUpdating;
725 else
726 iStateFlags &= ~EUpdating;
727 }
728
729
730TBool CDsa::Stopped() const
731 {
732 return (iStateFlags & ESdlThreadExplicitStop);
733 }
734
735void CDsa::SetOrientation(CSDL::TOrientationMode aOrientation)
736 {
737 TInt flags = 0;
738 switch(aOrientation)
739 {
740 case CSDL::EOrientation90:
741 flags = EOrientation90;
742 break;
743 case CSDL::EOrientation180:
744 flags = EOrientation180;
745 break;
746 case CSDL::EOrientation270:
747 flags = EOrientation90 | EOrientation180;
748 break;
749 case CSDL::EOrientation0:
750 flags = 0;
751 break;
752 }
753 if(flags != (iStateFlags & EOrientationFlags))
754 {
755 iStateFlags |= EOrientationChanged;
756 iNewFlags = flags; //cannot be set during drawing...
757 }
758 }
759
760CDsa::~CDsa()
761 {
762 iOverlays.Close();
763 User::Free(iLut256);
764 }
765
766void CDsa::ConstructL(RWindow& aWindow, CWsScreenDevice& /*aDevice*/)
767 {
768 if(iLut256 == NULL)
769 iLut256 = (TUint32*) User::AllocL(256 * sizeof(TUint32));
770 iTargetMode = aWindow.DisplayMode();
771 iTargetBpp = BytesPerPixel(DisplayMode());
772 iScreenRect = TRect(aWindow.Position(), aWindow.Size());
773 SetTargetRect();
774 }
775
776void CDsa::DrawOverlays()
777 {
778 const TInt last = iOverlays.Count() - 1;
779 for(TInt i = last; i >= 0 ; i--)
780 iOverlays[i].iOverlay->Draw(Gc(), HwRect(), SwSize());
781 }
782
783TInt CDsa::AppendOverlay(MOverlay& aOverlay, TInt aPriority)
784 {
785 TInt i;
786 for(i = 0; i < iOverlays.Count() && iOverlays[i].iPriority < aPriority; i++)
787 {}
788 const TOverlay overlay = {&aOverlay, aPriority};
789 return iOverlays.Insert(overlay, i);
790 }
791
792TInt CDsa::RemoveOverlay(MOverlay& aOverlay)
793 {
794 for(TInt i = 0; i < iOverlays.Count(); i++)
795 {
796 if(iOverlays[i].iOverlay == &aOverlay)
797 {
798 iOverlays.Remove(i);
799 return KErrNone;
800 }
801 }
802 return KErrNotFound;
803 }
804
805void CDsa::LockPalette(TBool aLock)
806 {
807 if(aLock)
808 iStateFlags |= EPaletteLocked;
809 else
810 iStateFlags &= ~EPaletteLocked;
811 }
812TInt CDsa::SetPalette(TInt aFirst, TInt aCount, TUint32* aPalette)
813 {
814 if(iLut256 == NULL)
815 return KErrNotFound;
816 const TInt count = aCount - aFirst;
817 if(count > 256)
818 return KErrArgument;
819 if(iStateFlags & EPaletteLocked)
820 return KErrNone;
821 for(TInt i = aFirst; i < count; i++) //not so busy here:-)
822 {
823 iLut256[i] = aPalette[i];
824 }
825 return KErrNone;
826 }
827
828
829
830
831
832CDsa::CDsa(RWsSession& aSession) :
833 iStateFlags(0),
834 iSession(aSession)
835
836 {
837// CActiveScheduler::Add(this);
838 iCFTable[0] = CopyMem;
839 iCFTable[1] = CopyMemFlipReversed;
840 iCFTable[2] = CopyMemReversed;
841 iCFTable[3] = CopyMemFlip;
842
843 iCFTable[4] = Copy256;
844 iCFTable[5] = Copy256FlipReversed;
845 iCFTable[6] = Copy256Reversed;
846 iCFTable[7] = Copy256Flip;
847
848
849 iCFTable[8] = CopySlow;
850 iCFTable[9] = CopySlowFlipReversed;
851 iCFTable[10] = CopySlowReversed;
852 iCFTable[11] = CopySlowFlip;
853 }
854
855RWsSession& CDsa::Session()
856 {
857 return iSession;
858 }
859
860TInt CDsa::RedrawRequest()
861 {
862 if(!(iStateFlags & (EUpdating) && (iStateFlags & ERunning)))
863 {
864 return ExternalUpdate();
865 }
866 return KErrNotReady;
867 }
868
869TUint8* CDsa::LockHwSurface()
870 {
871 if((iStateFlags & EUpdating) == 0) //else frame is skipped
872 {
873 return LockSurface();
874 }
875 return NULL;
876 }
877
878/*
879void CDsa::RunL()
880 {
881 iStateFlags &= ~EUpdating;
882 }
883
884
885void CDsa::DoCancel()
886 {
887 iStateFlags &= ~EUpdating;
888 //nothing can do, just wait?
889 }
890*/
891
892
893TInt CDsa::AllocSurface(TBool aHwSurface, const TSize& aSize, TDisplayMode aMode)
894 {
895 if(aHwSurface && aMode != DisplayMode())
896 return KErrArgument;
897
898 iSourceMode = aMode;
899
900 iSourceBpp = BytesPerPixel(aMode);
901
902 const TSize size = WindowSize();
903 if(aSize.iWidth > size.iWidth)
904 return KErrTooBig;
905 if(aSize.iHeight > size.iHeight)
906 return KErrTooBig;
907
908 TRAPD(err, CreateSurfaceL());
909 if(err != KErrNone)
910 return err;
911
912 SetCopyFunction();
913
914 return KErrNone;
915 }
916
917
918void CDsa::CreateZoomerL(const TSize& aSize)
919 {
920 iSwSize = aSize;
921 iStateFlags |= EResizeRequest;
922 CreateSurfaceL();
923 SetTargetRect();
924 }
925
926
927/*
928void SaveBmp(const TDesC& aName, const TAny* aData, TInt aLength, const TSize& aSz, TDisplayMode aMode)
929 {
930 CFbsBitmap* s = new CFbsBitmap();
931 s->Create(aSz, aMode);
932 s->LockHeap();
933 TUint32* addr = s->DataAddress();
934 Mem::Copy(addr, aData, aLength);
935 s->UnlockHeap();
936 s->Save(aName);
937 s->Reset();
938 delete s;
939 }
940
941void SaveBmp(const TDesC& aName, const TUint32* aData, const TSize& aSz)
942 {
943 CFbsBitmap* s = new CFbsBitmap();
944 s->Create(aSz, EColor64K);
945 TBitmapUtil bmp(s);
946 bmp.Begin(TPoint(0, 0));
947 for(TInt j = 0; j < aSz.iHeight; j++)
948 {
949 bmp.SetPos(TPoint(0, j));
950 for(TInt i = 0; i < aSz.iWidth; i++)
951 {
952 bmp.SetPixel(*aData);
953 aData++;
954 bmp.IncXPos();
955 }
956 }
957 bmp.End();
958 s->Save(aName);
959 s->Reset();
960 delete s;
961 }
962
963TBuf<16> FooName(TInt aFoo)
964 {
965 TBuf<16> b;
966 b.Format(_L("C:\\pic%d.mbm"), aFoo);
967 return b;
968 }
969
970*/
971
972
973void CDsa::ClipCopy(TUint8* aTarget,
974 const TUint8* aSource,
975 const TRect& aUpdateRect,
976 const TRect& aSourceRect) const
977 {
978 const TDsa dsa(*this);
979 switch(iSourceBpp)
980 {
981 case 1:
982 ::ClipCopy<TUint32, TUint8>(dsa, aTarget, aSource, aUpdateRect, aSourceRect);
983 break;
984 case 2:
985 ::ClipCopy<TUint32, TUint16>(dsa, aTarget, aSource, aUpdateRect, aSourceRect);
986 break;
987 case 4:
988 ::ClipCopy<TUint32, TUint32>(dsa, aTarget, aSource, aUpdateRect, aSourceRect);
989 break;
990 }
991 }
992
993
994void CDsa::Wipe() //dont call in drawing
995 {
996 if(IsDsaAvailable())
997 Wipe(iTargetBpp * SwSize().iWidth * SwSize().iHeight);
998 }
999
1000void CDsa::SetCopyFunction()
1001 {
1002 //calculate offset to correct function in iCFTable according to given parameters
1003 TInt function = 0;
1004 const TInt KCopyFunctions = 4;
1005 const TInt KOffsetToNative = 0;
1006 const TInt KOffsetTo256 = KOffsetToNative + KCopyFunctions;
1007 const TInt KOffsetToOtherModes = KOffsetTo256 + KCopyFunctions;
1008 const TInt KOffsetTo90Functions = 1;
1009 const TInt KOffsetTo180Functions = 2;
1010
1011 if(iSourceMode == DisplayMode())
1012 function = KOffsetToNative; //0
1013 else if(iSourceMode == EColor256)
1014 function = KOffsetTo256; //4
1015 else
1016 function = KOffsetToOtherModes; //8
1017
1018 if(iStateFlags & EOrientation90)
1019 function += KOffsetTo90Functions; // + 1
1020 if(iStateFlags & EOrientation180)
1021 function += KOffsetTo180Functions; //+ 2
1022
1023 iCopyFunction = iCFTable[function];
1024
1025 Wipe();
1026 }
1027
1028inline void Rotate(TRect& aRect)
1029 {
1030 const TInt dx = aRect.iBr.iX - aRect.iTl.iX;
1031 const TInt dy = aRect.iBr.iY - aRect.iTl.iY;
1032
1033 aRect.iBr.iX = aRect.iTl.iX + dy;
1034 aRect.iBr.iY = aRect.iTl.iY + dx;
1035
1036 const TInt tmp = aRect.iTl.iX;
1037 aRect.iTl.iX = aRect.iTl.iY;
1038 aRect.iTl.iY = tmp;
1039 }
1040
1041/*
1042int bar = 0;
1043*/
1044
1045TBool CDsa::AddUpdateRect(const TUint8* aBits, const TRect& aUpdateRect, const TRect& aRect)
1046 {
1047
1048 if(iStateFlags & EOrientationChanged)
1049 {
1050 iStateFlags &= ~EOrientationFlags;
1051 iStateFlags |= iNewFlags;
1052 SetCopyFunction();
1053 iStateFlags &= ~EOrientationChanged;
1054 EpocSdlEnv::WaitDeviceChange();
1055 return EFalse; //skip this frame as data is may be changed
1056 }
1057
1058 if(iTargetAddr == NULL)
1059 {
1060 iTargetAddr = LockHwSurface();
1061 }
1062
1063 TUint8* target = iTargetAddr;
1064 if(target == NULL)
1065 return EFalse;
1066
1067
1068 TRect targetRect = TRect(TPoint(0, 0), SwSize());
1069
1070 TRect sourceRect = aRect;
1071 TRect updateRect = aUpdateRect;
1072
1073// TPoint move(0, 0);
1074
1075
1076 if(iStateFlags & EOrientation90)
1077 {
1078 Rotate(sourceRect);
1079 Rotate(updateRect);
1080 }
1081
1082 if(iSourceMode != DisplayMode() || targetRect != sourceRect || targetRect != updateRect || ((iStateFlags & EOrientationFlags) != 0))
1083 {
1084 sourceRect.Intersection(targetRect); //so source always smaller or equal than target
1085 //updateRect.Intersection(targetRect);
1086 ClipCopy(target, aBits, updateRect, sourceRect);
1087 }
1088 else
1089 {
1090 const TInt byteCount = aRect.Width() * aRect.Height() * iSourceBpp; //this could be stored
1091 Mem::Copy(target, aBits, byteCount);
1092 }
1093
1094 return ETrue;
1095 }
1096
1097
1098void CDsa::UpdateSwSurface()
1099 {
1100 iTargetAddr = NULL;
1101 UnlockHwSurface(); //could be faster if does not use AO, but only check status before redraw, then no context switch needed
1102 }
1103
1104
1105
1106
1107void CDsa::DoStop()
1108 {
1109 if(IsDsaAvailable())
1110 iStateFlags |= ESdlThreadExplicitStop;
1111 Stop();
1112 }
1113
1114
1115void CDsa::Stop()
1116 {
1117 iStateFlags &= ~ERunning;
1118 }
1119
1120void CDsa::Start()
1121 {
1122 iStateFlags |= ERunning;
1123
1124 iStateFlags &= ~ESdlThreadExplicitStop;
1125
1126 if(iStateFlags & ESdlThreadSuspend)
1127 {
1128 EpocSdlEnv::Resume();
1129 iStateFlags &= ~ ESdlThreadSuspend;
1130 }
1131 EpocSdlEnv::ObserverEvent(MSDLObserver::EEventWindowReserved);
1132 }
1133
1134
1135TBool CDsa::Blitter(CFbsBitmap& aBmp)
1136 {
1137 return iBlitter && iBlitter->BitBlt(Gc(), aBmp, HwRect(), SwSize());
1138 }
1139
1140void CDsa::SetBlitter(MBlitter* aBlitter)
1141 {
1142 iBlitter = aBlitter;
1143 }
1144
1145
1146TPoint CDsa::WindowCoordinates(const TPoint& aPoint) const
1147 {
1148 TPoint pos = aPoint - iScreenRect.iTl;
1149 const TSize asz = iScreenRect.Size();
1150 if(iStateFlags & EOrientation180)
1151 {
1152 pos.iX = asz.iWidth - pos.iX;
1153 pos.iY = asz.iHeight - pos.iY;
1154 }
1155 if(iStateFlags & EOrientation90)
1156 {
1157 pos.iX = aPoint.iY;
1158 pos.iY = aPoint.iX;
1159 }
1160 pos.iX <<= 16;
1161 pos.iY <<= 16;
1162 pos.iX /= asz.iWidth;
1163 pos.iY /= asz.iHeight;
1164 pos.iX *= iSwSize.iWidth;
1165 pos.iY *= iSwSize.iHeight;
1166 pos.iX >>= 16;
1167 pos.iY >>= 16;
1168 return pos;
1169 }
1170
1171void CDsa::SetTargetRect()
1172 {
1173 iTargetRect = iScreenRect;
1174 if(iStateFlags & EResizeRequest && EpocSdlEnv::Flags(CSDL::EAllowImageResizeKeepRatio))
1175 {
1176 const TSize asz = iScreenRect.Size();
1177 const TSize sz = iSwSize;
1178
1179 TRect rect;
1180
1181 const TInt dh = (sz.iHeight << 16) / sz.iWidth;
1182
1183 if((asz.iWidth * dh ) >> 16 <= asz.iHeight)
1184 {
1185 rect.SetRect(TPoint(0, 0), TSize(asz.iWidth, (asz.iWidth * dh) >> 16));
1186 }
1187 else
1188 {
1189 const TInt dw = (sz.iWidth << 16) / sz.iHeight;
1190 rect.SetRect(TPoint(0, 0), TSize((asz.iHeight * dw) >> 16, asz.iHeight));
1191 }
1192 rect.Move((asz.iWidth - rect.Size().iWidth) >> 1, (asz.iHeight - rect.Size().iHeight) >> 1);
1193
1194 iTargetRect = rect;
1195 iTargetRect.Move(iScreenRect.iTl);
1196
1197 }
1198 if(!(iStateFlags & EResizeRequest))
1199 iSwSize = iScreenRect.Size();
1200
1201 }
1202
1203
1204/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
1205
1206void CDsa::Copy256(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1207 {
1208 TUint32* target = aTarget;
1209 const TUint32* endt = target + aBytes;
1210 const TUint8* source = aSource;
1211 while(target < endt)
1212 {
1213 *target++ = aDsa.iLut256[*source++];
1214 }
1215 }
1216
1217void CDsa::Copy256Reversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1218 {
1219 const TUint32* target = aTarget;
1220 TUint32* endt = aTarget + aBytes;
1221 const TUint8* source = aSource;
1222 while(target < endt)
1223 {
1224 *(--endt) = aDsa.iLut256[*source++];
1225 }
1226 }
1227
1228void CDsa::Copy256Flip(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1229 {
1230 TUint32* target = aTarget;
1231 const TUint32* endt = target + aBytes;
1232 const TUint8* column = aSource;
1233
1234 while(target < endt)
1235 {
1236 *target++ = aDsa.iLut256[*column];
1237 column += aLineLen;
1238 }
1239 }
1240
1241void CDsa::Copy256FlipReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1242 {
1243 const TUint32* target = aTarget;
1244 TUint32* endt = aTarget + aBytes;
1245 const TUint8* column = aSource;
1246
1247 while(target < endt)
1248 {
1249 *(--endt) = aDsa.iLut256[*column];
1250 column += aLineLen;
1251 }
1252 }
1253
1254void CDsa::CopyMem(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1255 {
1256 const TUint32* src = reinterpret_cast<const TUint32*>(aSource);
1257 Mem::Copy(aTarget, src, aBytes << 2);
1258 }
1259
1260void CDsa::CopyMemFlip(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1261 {
1262 TUint32* target = aTarget;
1263 const TUint32* endt = target + aBytes;
1264 const TUint32* column = reinterpret_cast<const TUint32*>(aSource);
1265
1266 while(target < endt)
1267 {
1268 *target++ = *column;
1269 column += aLineLen;
1270 }
1271 }
1272
1273void CDsa::CopyMemReversed(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1274 {
1275 const TUint32* target = aTarget;
1276 TUint32* endt = aTarget + aBytes;
1277 const TUint32* source = reinterpret_cast<const TUint32*>(aSource);
1278 while(target < endt)
1279 {
1280 *(--endt) = *source++;
1281 }
1282 }
1283
1284
1285void CDsa::CopyMemFlipReversed(const CDsa& /*aDsa*/, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1286 {
1287 const TUint32* target = aTarget;
1288 TUint32* endt = aTarget + aBytes;
1289 const TUint32* column = reinterpret_cast<const TUint32*>(aSource);
1290
1291 while(target < endt)
1292 {
1293 *(--endt) = *column;
1294 column += aLineLen;
1295 }
1296 }
1297
1298/*
1299
1300LOCAL_C TRgb rgb16MA(TInt aValue)
1301 {
1302 return TRgb::Color16MA(aValue);
1303 }
1304*/
1305NONSHARABLE_CLASS(MRgbCopy)
1306 {
1307 public:
1308 virtual void Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed) = 0;
1309 virtual void FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed) = 0;
1310 };
1311
1312template <class T>
1313NONSHARABLE_CLASS(TRgbCopy) : public MRgbCopy
1314 {
1315 public:
1316 TRgbCopy(TDisplayMode aMode);
1317 void* operator new(TUint aBytes, TAny* aMem);
1318 void Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed);
1319 void FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed);
1320 static TUint32 Gray256(const TUint8& aPixel);
1321 static TUint32 Color256(const TUint8& aPixel);
1322 static TUint32 Color4K(const TUint16& aPixel);
1323 static TUint32 Color64K(const TUint16& aPixel);
1324 static TUint32 Color16M(const TUint32& aPixel);
1325 static TUint32 Color16MU(const TUint32& aPixel);
1326 static TUint32 Color16MA(const TUint32& aPixel);
1327 private:
1328 typedef TUint32 (*TRgbFunc) (const T& aValue);
1329 TRgbFunc iFunc;
1330 };
1331
1332
1333template <class T>
1334void* TRgbCopy<T>::operator new(TUint /*aBytes*/, TAny* aMem)
1335 {
1336 return aMem;
1337 }
1338
1339template <class T>
1340TRgbCopy<T>::TRgbCopy(TDisplayMode aMode)
1341 {
1342 switch(aMode)
1343 {
1344 case EGray256 : iFunc = (TRgbFunc) Gray256; break;
1345 case EColor256 : iFunc = (TRgbFunc) Color256; break;
1346 case EColor4K : iFunc = (TRgbFunc) Color4K; break;
1347 case EColor64K : iFunc = (TRgbFunc) Color64K; break;
1348 case EColor16M : iFunc = (TRgbFunc) Color16M; break;
1349 case EColor16MU : iFunc = (TRgbFunc) Color16MU; break;
1350 case EColor16MA : iFunc = (TRgbFunc) Color16MA; break;
1351 default:
1352 PANIC(KErrNotSupported);
1353 }
1354 }
1355
1356template <class T>
1357void TRgbCopy<T>::Copy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TBool aReversed)
1358 {
1359 const T* source = reinterpret_cast<const T*>(aSource);
1360 TUint32* target = aTarget;
1361 TUint32* endt = target + aBytes;
1362
1363 if(aReversed)
1364 {
1365 while(target < endt)
1366 {
1367 const T value = *source++;
1368 *(--endt) = iFunc(value);//iFunc(value).Value();
1369 }
1370 }
1371 else
1372 {
1373 while(target < endt)
1374 {
1375 const T value = *source++;
1376 *target++ = iFunc(value);//iFunc(value).Value();
1377 }
1378 }
1379 }
1380
1381template <class T>
1382void TRgbCopy<T>::FlipCopy(TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen, TBool aReversed)
1383 {
1384 const T* column = reinterpret_cast<const T*>(aSource);
1385 TUint32* target = aTarget;
1386 TUint32* endt = target + aBytes;
1387
1388 if(aReversed)
1389 {
1390 while(target < endt)
1391 {
1392 *(--endt) = iFunc(*column);
1393 column += aLineLen;
1394 }
1395 }
1396 else
1397 {
1398 while(target < endt)
1399 {
1400 *target++ = iFunc(*column);
1401 column += aLineLen;
1402 }
1403 }
1404 }
1405
1406template <class T> TUint32 TRgbCopy<T>::Gray256(const TUint8& aPixel)
1407 {
1408 const TUint32 px = aPixel << 16 | aPixel << 8 | aPixel;
1409 return px;
1410 }
1411
1412template <class T> TUint32 TRgbCopy<T>::Color256(const TUint8& aPixel)
1413 {
1414 return TRgb::Color256(aPixel).Value();
1415 }
1416
1417template <class T> TUint32 TRgbCopy<T>::Color4K(const TUint16& aPixel)
1418 {
1419 TUint32 col = (aPixel & 0xF00) << 12;
1420 col |= (aPixel & 0xF00) << 8;
1421
1422 col |= (aPixel & 0x0F0) << 8;
1423 col |= (aPixel & 0x0F0);
1424
1425 col |= (aPixel & 0x00F) << 4;
1426 col |= (aPixel & 0x00F);
1427
1428 return col;
1429 }
1430
1431template <class T> TUint32 TRgbCopy<T>::Color64K(const TUint16& aPixel)
1432 {
1433 TUint32 col = (aPixel & 0xF800)<< 8;
1434 col |= (aPixel & 0xE000) << 3;
1435
1436 col |= (aPixel & 0x07E0) << 5;
1437 col |= (aPixel & 0xC0) >> 1;
1438
1439 col |= (aPixel & 0x07E0) << 3;
1440 col |= (aPixel & 0x1C) >> 2;
1441
1442 return col;
1443 }
1444
1445template <class T> TUint32 TRgbCopy<T>::Color16M(const TUint32& aPixel)
1446 {
1447 return TRgb::Color16M(aPixel).Value();
1448 }
1449
1450template <class T> TUint32 TRgbCopy<T>::Color16MU(const TUint32& aPixel)
1451 {
1452 return TRgb::Color16MU(aPixel).Value();
1453 }
1454
1455template <class T> TUint32 TRgbCopy<T>::Color16MA(const TUint32& aPixel)
1456 {
1457 return TRgb::Color16MA(aPixel).Value();
1458 }
1459
1460typedef TUint64 TStackMem;
1461
1462LOCAL_C MRgbCopy* GetCopy(TAny* mem, TDisplayMode aMode)
1463 {
1464 if(aMode == EColor256 || aMode == EGray256)
1465 {
1466 return new (mem) TRgbCopy<TUint8>(aMode);
1467 }
1468 if(aMode == EColor4K || aMode == EColor64K)
1469 {
1470 return new (mem) TRgbCopy<TUint16>(aMode);
1471 }
1472 if(aMode == EColor16M || aMode == EColor16MU || aMode == EColor16MA)
1473 {
1474 return new (mem) TRgbCopy<TUint32>(aMode);
1475 }
1476 PANIC(KErrNotSupported);
1477 return NULL;
1478 }
1479
1480
1481void CDsa::CopySlowFlipReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1482 {
1483 TStackMem mem = 0;
1484 GetCopy(&mem, aDsa.iSourceMode)->FlipCopy(aTarget, aSource, aBytes, aLineLen, ETrue);
1485 }
1486
1487void CDsa::CopySlowFlip(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt aLineLen)
1488 {
1489 TStackMem mem = 0;
1490 GetCopy(&mem, aDsa.iSourceMode)->FlipCopy(aTarget, aSource, aBytes, aLineLen, EFalse);
1491 }
1492
1493void CDsa::CopySlow(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1494 {
1495 TStackMem mem = 0;
1496 GetCopy(&mem, aDsa.iSourceMode)->Copy(aTarget, aSource, aBytes, EFalse);
1497 }
1498
1499void CDsa::CopySlowReversed(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes, TInt)
1500 {
1501 TStackMem mem = 0;
1502 GetCopy(&mem, aDsa.iSourceMode)->Copy(aTarget, aSource, aBytes, ETrue);
1503 }
1504
1505////////////////////////////////////////////////////////////////////////////////////////////////////////////////7
SDL with some OMAP hardware support