/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#include <graphicsaccelerator.h>

#include "lcdgdrvif.h"

#include "lcdtransform.h"

#include "lcdgdrvutil.h"

#include "lcdgd.hrh"

#include "collision.h"

#include "lcdbitblt.h"

#include "lcd32bpp.h"

inline TInt Color16MURed(TInt aColor16MU)

{

    return (aColor16MU >> 16) & 0xff;

}

inline TInt Color16MUGreen(TInt aColor16MU)

{

    return (aColor16MU >> 8) & 0xff;

}

inline TInt Color16MUBlue(TInt aColor16MU)

{

    return (aColor16MU & 0xff);

}

inline TUint32 ARGB8888ToColor16MU(TUint32 aARGB)

{

    return aARGB & 0xffffff;

}

inline TUint32 Color16MU(TInt aRed, TInt aGreen, TInt aBlue)

{

    return TUint32((aRed << 16) | (aGreen << 8) | aBlue);

}

LOCAL_C TUint32 Color16MUForward(TUint32 aRGB)

{

    return ARGB8888ToColor16MU(aRGB);

}

LOCAL_C TUint32 Color16MUReverse(TUint32 aColor16MU)

{

    return aColor16MU;  // NB: no transparency bits.

}

LOCAL_C TUint32 Color16MUQuantize(TUint32 aRGB)

{

    return aRGB & 0xffffff;

}

//

// DrawRegion support

//

#ifdef LCDGD_SUPPORT_1BPP_MASK_BITMAP

LOCAL_C void DrawRegionColor16MUMaskToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // ignored

    const TLcdTransform&            aTransform      // includes anchor

);

LOCAL_C void DrawImageColor16MUMaskToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // ignored

    const TLcdTransform&            aTransform      // includes anchor

);

#endif

#ifdef LCDGD_SUPPORT_MATCHED_MASK_BITMAP

LOCAL_C void DrawRegionColor16MUColor16MUToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // ignored

    const TLcdTransform&            aTransform      // includes anchor

);

#endif

#ifdef LCDGD_SUPPORT_ALPHA_BITMAP

LOCAL_C void DrawRegionColor16MUAlphaToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // ignored

    const TLcdTransform&          aTransform        // includes anchor

);

#endif

LOCAL_C void DrawRegionARGB8888AlphaChannelToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // ignored

    const TLcdTransform&          aTransform        // includes anchor

);

//

// BitBlt support

//

LOCAL_C void BitBltColor16MUToARGB8888

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

LOCAL_C void BitBltARGB8888ToColor16MU

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

#ifdef LCDGD_SUPPORT_1BPP_MASK_BITMAP

LOCAL_C void BitBltColor16MUGray2ToARGB8888

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

LOCAL_C void BitBltARGB8888ToColor16MUGray2

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

#endif

#ifdef LCDGD_SUPPORT_MATCHED_MASK_BITMAP

LOCAL_C void BitBltColor16MUColor16MUToARGB8888

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

LOCAL_C void BitBltARGB8888ToColor16MUColor16MU

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

#endif

#ifdef LCDGD_SUPPORT_ALPHA_BITMAP

LOCAL_C void BitBltColor16MUGray256ToARGB8888

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

LOCAL_C void BitBltARGB8888ToColor16MUGray256

(

    const TAcceleratedBitmapInfo*   aDstColorBitmap,

    const TAcceleratedBitmapInfo*   aDstAlphaBitmap,

    const TRect&                    aDstRect,

    const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    const TAcceleratedBitmapInfo*   aSrcAlphaBitmap,

    const TLcdTransform&            aTransform

);

#endif

//

// Image types supported by this DLL.

//

#define COLOR16MU_OPAQUE IMAGE_TYPE(EColor16MU,ENone,ETransparencyNone)

#define COLOR16MU_MASK_1BPP IMAGE_TYPE(EColor16MU,EGray2,ETransparencyMaskBitmap)

#define COLOR16MU_MASK_MATCHED IMAGE_TYPE(EColor16MU,EColor16MU,ETransparencyMaskBitmap)

#define COLOR16MU_ALPHA IMAGE_TYPE(EColor16MU,EGray256,ETransparencyAlphaBitmap)

const TImageRenderer ImageRendererArray[] =

{

    //

    // SrcOver

    //

    /*           target,          source,          transform mask,      function */

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_OPAQUE, KTransSimpleMask, BitBltThirtyTwoBppSimple),

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_OPAQUE, KTransAllMask, BitBltThirtyTwoBpp),

#ifdef LCDGD_SUPPORT_1BPP_MASK_BITMAP

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_MASK_1BPP, KTransNoneMask, DrawImageColor16MUMaskToColor16MU),

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_MASK_1BPP, KTransAllMask, DrawRegionColor16MUMaskToColor16MU),

#endif

#ifdef LCDGD_SUPPORT_MATCHED_MASK_BITMAP

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_MASK_MATCHED, KTransAllMask, DrawRegionColor16MUColor16MUToColor16MU),

#endif

#ifdef LCDGD_SUPPORT_ALPHA_BITMAP

    RENDER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_ALPHA, KTransAllMask, DrawRegionColor16MUAlphaToColor16MU),

#endif

    RENDER_ENTRY(COLOR16MU_OPAQUE, JAVA_OPAQUE_IMAGE, KTransAllMask, BitBltARGB8888ToColor16MU),

    RENDER_ENTRY(COLOR16MU_OPAQUE, JAVA_ALPHA_IMAGE, KTransAllMask, DrawRegionARGB8888AlphaChannelToColor16MU),

    //

    // SrcCopy

    //

    /*            target,          source,              function */

    BLITTER_ENTRY(COLOR16MU_OPAQUE, COLOR16MU_OPAQUE, BitBltARGB8888ToColor16MU),

    BLITTER_ENTRY(JAVA_ALPHA_IMAGE,  COLOR16MU_OPAQUE, BitBltColor16MUToARGB8888),

    BLITTER_ENTRY(COLOR16MU_OPAQUE, JAVA_OPAQUE_IMAGE, BitBltARGB8888ToColor16MU),

    BLITTER_ENTRY(JAVA_OPAQUE_IMAGE, COLOR16MU_OPAQUE, BitBltColor16MUToARGB8888),

#ifdef LCDGD_SUPPORT_1BPP_MASK_BITMAP

    BLITTER_ENTRY(COLOR16MU_MASK_1BPP, JAVA_ALPHA_IMAGE, BitBltARGB8888ToColor16MUGray2),

    BLITTER_ENTRY(JAVA_ALPHA_IMAGE, COLOR16MU_MASK_1BPP, BitBltColor16MUGray2ToARGB8888),

    BLITTER_ENTRY(COLOR16MU_MASK_1BPP, COLOR16MU_MASK_1BPP, BitBltThirtyTwoBppOneBpp),

#endif

#ifdef LCDGD_SUPPORT_MATCHED_MASK_BITMAP

    BLITTER_ENTRY(COLOR16MU_MASK_MATCHED, JAVA_ALPHA_IMAGE, BitBltARGB8888ToColor16MUColor16MU),

    BLITTER_ENTRY(JAVA_ALPHA_IMAGE, COLOR16MU_MASK_MATCHED, BitBltColor16MUColor16MUToARGB8888),

    BLITTER_ENTRY(COLOR16MU_MASK_MATCHED, COLOR16MU_MASK_MATCHED, BitBltThirtyTwoBppThirtyTwoBpp),

#endif

#ifdef LCDGD_SUPPORT_ALPHA_BITMAP

    BLITTER_ENTRY(COLOR16MU_ALPHA, JAVA_ALPHA_IMAGE, BitBltARGB8888ToColor16MUGray256),

    BLITTER_ENTRY(JAVA_ALPHA_IMAGE, COLOR16MU_ALPHA, BitBltColor16MUGray256ToARGB8888),

    BLITTER_ENTRY(COLOR16MU_ALPHA, COLOR16MU_ALPHA, BitBltThirtyTwoBppEightBpp),

#endif

};

const TInt ImageRendererCount = sizeof(ImageRendererArray)/sizeof(ImageRendererArray[0]);

const TCollisionDetector CollisionDetectorArray[] =

{

//

//  Supported collision detectors.

//

    COLLISION_DETECTOR_ENTRY(ENoneBit,ETransparencyNoneBit,        EGray2Bit,ETransparencyMaskBitmapBit,   DetectCollisionGray2Gray2),

    COLLISION_DETECTOR_ENTRY(EGray2Bit,ETransparencyMaskBitmapBit, ENoneBit,ETransparencyNoneBit,          DetectCollisionGray2Gray2),

    COLLISION_DETECTOR_ENTRY(EGray2Bit,ETransparencyMaskBitmapBit, EGray2Bit,ETransparencyMaskBitmapBit,   DetectCollisionGray2Gray2),

#ifdef LCDGD_SUPPORT_ALPHA_BITMAP

    COLLISION_DETECTOR_ENTRY(ENoneBit,ETransparencyNoneBit,            EGray256Bit,ETransparencyAlphaBitmapBit,    DetectCollisionGray256Gray256),

    COLLISION_DETECTOR_ENTRY(EGray2Bit,ETransparencyMaskBitmapBit,     EGray256Bit,ETransparencyAlphaBitmapBit,    DetectCollisionGray2Gray256),

    COLLISION_DETECTOR_ENTRY(EGray256Bit,ETransparencyAlphaBitmapBit,  EGray2Bit,ETransparencyMaskBitmapBit,       DetectCollisionGray256Gray2),

    COLLISION_DETECTOR_ENTRY(EGray256Bit,ETransparencyAlphaBitmapBit,  ENoneBit,ETransparencyNoneBit,              DetectCollisionGray256Gray256),

    COLLISION_DETECTOR_ENTRY(EGray256Bit,ETransparencyAlphaBitmapBit,  EGray256Bit,ETransparencyAlphaBitmapBit,    DetectCollisionGray256Gray256),

#endif

#ifdef LCDGD_SUPPORT_MATCHED_MASK_BITMAP

    COLLISION_DETECTOR_ENTRY(KGenericModesMask,KGenericTransMask,  KGenericModesMask,KGenericTransMask,    GenericDetectCollision),

#endif

};

const TInt CollisionDetectorCount = sizeof(CollisionDetectorArray)/sizeof(CollisionDetectorArray[0]);

const TColorMap ColorMapArray[] =

{

    { EColor16MU, Color16MUForward, Color16MUReverse, Color16MUQuantize }

};

const TInt ColorMapCount = sizeof(ColorMapArray)/sizeof(ColorMapArray[0]);

const TDrawFunctions DrawFunctionsArray[] =

{

    {

        EColor16MU,

        CLcdGraphicsDevice::ECapFillTriangle,

        NULL,   // drawLine

        NULL,   // drawRect

        NULL,   // fillRect

        NULL,   // drawArc

        NULL,   // fillArc

        &FillTriangle32Bpp,

        NULL    // drawText

    }

};

const TInt DrawFunctionsCount = sizeof(DrawFunctionsArray)/sizeof(DrawFunctionsArray[0]);

const TInt KVersionBuild = 0;

_LIT(KProviderSymbianSoftwareLtd, "Symbian Software Ltd");

LOCAL_C CLcdGraphicsDriverImpl* CreateColor16MUDriverL();

const TImplementationProxy ImplementationTable[] =

{

    IMPLEMENTATION_PROXY_ENTRY(LCDGD_COLOR16MU_IMPLEMENTATION_UID, CreateColor16MUDriverL)

};

/**

 * Ordinal 1

 */

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

{

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    return ImplementationTable;

}

CLcdGraphicsDriverImpl* CreateColor16MUDriverL()

{

    CLcdGraphicsDriver::TDriverInfo driverInfo;

    driverInfo.iVersion      = TVersion(KLcdImgVersionMajor, KLcdImgVersionMinor, KVersionBuild);

    driverInfo.iProvider     = KProviderSymbianSoftwareLtd;

    driverInfo.iTransparencyCaps = CAP_1BPP_MASK_BITMAP|CAP_MATCHED_MASK_BITMAP|CAP_ALPHA_BITMAP;

    driverInfo.iARGB8888Mode = EColorARGB8888;

    driverInfo.iDisplayMode = EColor16MU;

    return new(ELeave) CLcdGraphicsDriverImpl

           (

               driverInfo,

               ImageRendererArray,

               ImageRendererCount,

               ColorMapArray,

               ColorMapCount,

               CollisionDetectorArray,

               CollisionDetectorCount,

               DrawFunctionsArray,

               DrawFunctionsCount

           );

}

// ***************************************************************

// Render Functions

// ***************************************************************

#ifdef LCDGD_SUPPORT_1BPP_MASK_BITMAP

LOCAL_C void DrawRegionColor16MUMaskToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // mask

    const TLcdTransform&          aTransform        // includes anchor

)

{

    ASSERT(aDstColorBitmap->iDisplayMode == EColor16MU);

    ASSERT(aSrcColorBitmap->iDisplayMode == EColor16MU);

    ASSERT(aSrcAlphaBitmap->iDisplayMode == EGray2);

    TPoint srcPoint = aTransform(aDstRect.iTl);

    TInt dudx = aTransform.iDuDx;

    TInt dudy = aTransform.iDuDy;

    TInt dvdx = aTransform.iDvDx;

    TInt dvdy = aTransform.iDvDy;

    TInt u0   = srcPoint.iX;

    TInt v0   = srcPoint.iY;

    TInt u    = u0;

    TInt v    = v0;

    const TInt width = aDstRect.Width();

    const TInt srcLinePitch = aSrcColorBitmap->iLinePitch;

    const TInt mskLinePitch = aSrcAlphaBitmap->iLinePitch;

    const TInt dstLinePitch = aDstColorBitmap->iLinePitch;

    TUint8* srcAddress = aSrcColorBitmap->iAddress;

    TUint8* mskAddress = aSrcAlphaBitmap->iAddress; // 1 bpp

    TUint8* dstAddress = aDstColorBitmap->iAddress;

    TInt x = aDstRect.iTl.iX;

    TInt y = aDstRect.iTl.iY;

    TInt h = aDstRect.Height();

    //

    // Iterate over destination pixels.

    //

    dstAddress += (y*dstLinePitch + x*sizeof(TUint32));

    for (; h>0; --h)

    {

        TUint32* dst = (TUint32*)(dstAddress);

        TUint32* end = dst + width;

        u=u0;

        v=v0;

        while (dst < end)

        {

            TInt m = *(mskAddress + v*mskLinePitch + (u>>3));

            if (m & (1<<(u&0x7)))

            {

                TUint32 srcColor = *(TUint32*)(srcAddress + v*srcLinePitch + u*sizeof(TUint32));

                *dst = srcColor;

            }

            ++dst;

            u+=dudx;

            v+=dvdx;

        }

        u0+=dudy;

        v0+=dvdy;

        dstAddress += dstLinePitch;

    }

}

LOCAL_C void DrawImageColor16MUMaskToColor16MU

(

    const TAcceleratedBitmapInfo* aDstColorBitmap,

    const TAcceleratedBitmapInfo* /*aDstAlphaBitmap*/,

    const TRect&                  aDstRect,     // must be clipped to destination

    const TAcceleratedBitmapInfo* aSrcColorBitmap,

    const TAcceleratedBitmapInfo* aSrcAlphaBitmap,      // mask

    const TLcdTransform&          aTransform        // includes anchor

)

{

    ASSERT(aDstColorBitmap->iDisplayMode == EColor16MU);

    ASSERT(aSrcColorBitmap->iDisplayMode == EColor16MU);

    ASSERT(aSrcAlphaBitmap->iDisplayMode == EGray2);

    ASSERT(aTransform.iDuDx == 1);

    ASSERT(aTransform.iDuDy == 0);

    ASSERT(aTransform.iDvDx == 0);

    ASSERT(aTransform.iDvDy == 1);

    TPoint srcPoint = aTransform(aDstRect.iTl);

    ASSERT(srcPoint.iX == (aDstRect.iTl.iX + aTransform.iU0));

    ASSERT(srcPoint.iY == (aDstRect.iTl.iY + aTransform.iV0));

    TInt u0   = srcPoint.iX;

    TInt v0   = srcPoint.iY;

    TInt u    = u0;

    TInt v    = v0;

    TInt mu;        // mask u coord

    TInt m = 0;         // mask byte

    const TInt width = aDstRect.Width();

    const TInt srcLinePitch = aSrcColorBitmap->iLinePitch;

    const TInt mskLinePitch = aSrcAlphaBitmap->iLinePitch;

    const TInt dstLinePitch = aDstColorBitmap->iLinePitch;

    TUint8* srcAddress = aSrcColorBitmap->iAddress;

    TUint8* mskAddress = aSrcAlphaBitmap->iAddress; // 1 bpp

    TUint8* dstAddress = aDstColorBitmap->iAddress;

    TInt x = aDstRect.iTl.iX;

    TInt y = aDstRect.iTl.iY;

    TInt h = aDstRect.Height();

#ifdef _DEBUG

    const TSize   srcSize  = aSrcColorBitmap->iSize;

    const TUint32* srcStart = (TUint32*)srcAddress;

    const TUint32* srcLimit = (TUint32*)(srcAddress + (srcSize.iHeight-1)*dstLinePitch + srcSize.iWidth*sizeof(TUint32));

#endif

    //

    // Start address of destination pixels.

    //

    dstAddress += ((y*dstLinePitch) + (x*sizeof(TUint32)));

    //

    // Start address of source pixels

    //

    srcAddress += ((v*srcLinePitch) + (u*sizeof(TUint32)));

    mskAddress += ((v*mskLinePitch) + (u>>3));

    for (; h>0; --h)

    {

        TUint32* src = (TUint32*)srcAddress;

        TUint8*  msk = mskAddress;

        TUint32* dst = (TUint32*)dstAddress;

        TUint32* end = dst + width;

        u=u0;

        mu=-1;

        while (dst < end)

        {

#ifdef _DEBUG

            ASSERT((srcStart <= src) && (src <= srcLimit));

#endif

            if (mu != (u>>3))

            {

                mu = (u>>3);

                m  = *msk++;

            }

            if (m & (1<<(u&0x7)))

            {

                *dst = *src;

            }

            ++src;

            ++dst;

            ++u;

        }

        dstAddress += dstLinePitch;

        srcAddress += srcLinePitch;

        mskAddress += mskLinePitch;

    }

}

#endif