fimgse2d.cpp

来自「6410BSP3」· C++ 代码 · 共 1,270 行 · 第 1/4 页

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**/
BOOL FIMGSE2D::FlipBlt(PRECTL prclSrc, PRECTL prclDst, ROT_TYPE m_iRotate)
{
    DWORD uCmdRegVal=0;
    BOOL bRetVal = FALSE;
    RECTL    rectDst;            //< If rotation case this value must be corrected.    

    RETAILMSG(DISP_ZONE_ENTER,(TEXT("[2DHW] FlipBlt Entry\r\n")));                

    /// Always LeftTop Coordinate is less than RightBottom for Source and Destination Region
    assert( (prclSrc->left < prclSrc->right) && (prclSrc->top < prclSrc->bottom) );
    assert( (prclDst->left < prclDst->right) && (prclDst->top < prclDst->bottom) );

    /// Check Flip Option, we only do care about only flip, don't care about rotation option although it set.
    if(HASBIT_COND(m_iRotate, FLIP_X))
    {
        SetRotationMode(FLIP_X);
        /// Set rotation origin on destination's bottom line.
        rectDst.left = prclDst->left;                    //< x1
        rectDst.right = prclDst->right - 1;                //< x2
        rectDst.top = prclDst->bottom - 1;            //< y2
        rectDst.bottom = prclDst->bottom - 1 + prclDst->bottom - 1 - prclDst->top;    //< y2 + (y2-y1)
    }
    else if(HASBIT_COND(m_iRotate, FLIP_Y))
    {
        SetRotationMode(FLIP_Y);
        /// Set rotation origin on destination's right line.
        rectDst.left = prclDst->right - 1;                //< x2
        rectDst.right = prclDst->right - 1 + prclDst->right - 1 - prclDst->left;        //< x2 + (x2 - x1)
        rectDst.top = prclDst->top;                    //< y1
        rectDst.bottom = prclDst->bottom - 1;            //< y2
    }
    else
    {
        /// Do not need to do Flip operation.
        return FALSE;
    }

    SetCoordinateSrcBlock(prclSrc->left, prclSrc->top, prclSrc->right - 1, prclSrc->bottom - 1);
    SetRotationOrg((WORD)rectDst.left, (WORD)rectDst.top);
    SetCoordinateDstBlock(rectDst.left, rectDst.top, rectDst.right, rectDst.bottom);

    uCmdRegVal = G2D_NORMAL_BITBLT_BIT;

    bRetVal = DoCmd(&(m_pG2DReg->CMDR1), uCmdRegVal, G2D_INTERRUPT);
    
    RETAILMSG(DISP_ZONE_ENTER,(TEXT("[2DHW] FlipBlt Exit\r\n")));            
    /// TODO: Resource Register clearing can be needed.

    return bRetVal;

}

// if ucTransMode is '1', Transparent Mode
// else '0', Opaque Mode
void FIMGSE2D::SetTransparentMode(bool bIsTransparent, COLOR uBsColor)
{
    DWORD uRopRegVal;

    RequestEmptyFifo(2);

    uRopRegVal = m_pG2DReg->ROP;

    uRopRegVal =
        (bIsTransparent == 1) ? (uRopRegVal | G2D_TRANSPARENT_BIT) : (uRopRegVal & ~(G2D_TRANSPARENT_BIT));

    m_pG2DReg->ROP = uRopRegVal;

    // register Blue Screen Color
    m_pG2DReg->BS_COLOR = uBsColor;
}

// if ucTransMode is '1', Transparent Mode
// else '0', Opaque Mode
void FIMGSE2D::SetColorKeyOn(DWORD uBsColor)
{
    RequestEmptyFifo(2);

    m_pG2DReg->ROP = m_pG2DReg->ROP | G2D_TRANSPARENT_BIT;

    // register Blue Screen Color
    m_pG2DReg->BS_COLOR = uBsColor;
}

void FIMGSE2D::SetColorKeyOff(void)
{
    RequestEmptyFifo(2);

    // Blue screen off
    m_pG2DReg->ROP =  m_pG2DReg->ROP & ~(G2D_TRANSPARENT_BIT);

    // color key off
    m_pG2DReg->COLORKEY_CNTL = (m_pG2DReg->COLORKEY_CNTL & ~(0x1U<<31));
}

void FIMGSE2D::SetFgColor(DWORD uFgColor)
{
    RequestEmptyFifo(1);
    uFgColor &= 0x00ffffff;        //< Remove Alpha value
    m_pG2DReg->FG_COLOR = uFgColor;
}

void FIMGSE2D::SetBgColor(DWORD uBgColor)
{
    RequestEmptyFifo(1);
    uBgColor &= 0x00ffffff;        //< Remove Alpha value
    m_pG2DReg->BG_COLOR = uBgColor;
}

void FIMGSE2D::SetBsColor(DWORD uBsColor)
{
    RequestEmptyFifo(1);
    uBsColor &= 0x00ffffff;        //< Remove Alpha value
    m_pG2DReg->BS_COLOR = uBsColor;
}


/**
*    @fn    void FIMGSE2D::FillRect(PRECT prtDst, DWORD uColor)
*    @param    prtDst    Destination Rectangle
*    @param    uColor    Filled Color
*    @attention    prtDst must have positive value.
*    @brief    prclDst must be rotated when screen is rotated.
*/
void FIMGSE2D::FillRect(PRECTL prclDst, COLOR uColor)
{
    SetFgColor(uColor);
    Set3rdOperand(G2D_OPERAND3_FG);
    SetRopEtype(ROP_PAT_ONLY);
    BitBlt(prclDst, prclDst, ROT_0);        // Fill Rect doesn't care about screen rotation,
}

/*
 *     @fn    void FIMGSE2D::SetSrcSurface(PSURFACE_DESCRIPTOR desc_surface)
 *    @brief    Set Source Surface Information to FIMG2D HW Register
 *    @param    desc_surface    Surface Information : Base Address, Horizontal&Vertical Resolution, Color mode
 */
void FIMGSE2D::SetSrcSurface(PSURFACE_DESCRIPTOR desc_surface)
{
    RequestEmptyFifo(4);
    
    m_pG2DReg->SRC_BASE_ADDR = desc_surface->dwBaseaddr;
    
    m_pG2DReg->SRC_COLOR_MODE = desc_surface->dwColorMode;
    
    m_pG2DReg->SRC_HORI_RES = desc_surface->dwHoriRes;
    m_pG2DReg->SRC_VERT_RES = desc_surface->dwVertRes;
}

/*
 *     @fn    void FIMGSE2D::SetDstSurface(PSURFACE_DESCRIPTOR desc_surface)
 *    @brief    Set Destination Surface Information to FIMG2D HW Register
 *    @param    desc_surface    Surface Information : Base Address, Horizontal&Vertical Resolution, Color mode
 */
void FIMGSE2D::SetDstSurface(PSURFACE_DESCRIPTOR desc_surface)
{
    RequestEmptyFifo(4);
    
    m_pG2DReg->DST_BASE_ADDR = desc_surface->dwBaseaddr;
    
    m_pG2DReg->DST_COLOR_MODE = desc_surface->dwColorMode;
    
    m_pG2DReg->SC_HORI_RES = desc_surface->dwHoriRes;
    m_pG2DReg->SC_VERT_RES = desc_surface->dwVertRes;
}

/*
 *  @fn     void FIMGSE2D::TranslateCoordinateToZero(PSURFACE_DESCRIPTOR pdesc_surface, LPRECT prclDst)
 *  @brief  Adjust Coordinate from (x1,y1)~(x2,y2) to (0,0)~(x2-x1,y2-y1)
 *          Recalculate BaseAddress
 *  @param  desc_surface    Surface Information : Base Address, Horizontal&Vertical Resolution, Color mode
 *          prclDst         Surface Target Region coordinate
 *          prclCLip        Surface Clipping region coordinate
 */
void FIMGSE2D::TranslateCoordinateToZero(PSURFACE_DESCRIPTOR pdesc_surface, PRECTL prclDst, PRECTL prclClip)
{
    RECTL   rtNew;
    RECTL   rtNewClip;
    /// NewAddress = OriginalAddress + (Y1 * Hori.Res + X1) * BPP
    /// NewRect : NewRect.Left & top = (0,0), Right & bottom = (X2-X1, Y2-Y1)
    switch(pdesc_surface->dwColorMode)
    {
        case G2D_COLOR_RGB_565:
        case G2D_COLOR_RGBA_5551:
        case G2D_COLOR_ARGB_1555:
            /// 2Bytes per pixel
            pdesc_surface->dwBaseaddr = pdesc_surface->dwBaseaddr + (prclDst->top * pdesc_surface->dwHoriRes + prclDst->left) * 2;
        break;
        case G2D_COLOR_RGBA_8888:
        case G2D_COLOR_ARGB_8888:
        case G2D_COLOR_XRGB_8888:
        case G2D_COLOR_RGBX_8888:
            /// 4Bytes per pixel
            pdesc_surface->dwBaseaddr = pdesc_surface->dwBaseaddr + (prclDst->top * pdesc_surface->dwHoriRes + prclDst->left) * 4;
        break;
        default:
            RETAILMSG(DISP_ZONE_ERROR,(TEXT("[TCTZ] Unsupported Color Format\r\n")));
        break;
    }
    rtNew.left = 0;
    rtNew.top = 0;
    rtNew.right = prclDst->right - prclDst->left;
    rtNew.bottom = prclDst->bottom - prclDst->top;

    if(prclClip)
    {
        rtNewClip.left = 0;
        rtNewClip.top = 0;
        rtNewClip.right = prclClip->right - prclDst->left;
        rtNewClip.bottom = prclClip->bottom - prclDst->top;
        CopyRect((LPRECT)prclClip, (LPRECT) &rtNewClip);
    }
    
    CopyRect((LPRECT)prclDst, (LPRECT)&rtNew);
    pdesc_surface->dwVertRes -= prclDst->bottom - prclDst->top;
}


/**
*    Initialize 2D HW
*/
void FIMGSE2D::Init() 
{
    RequestEmptyFifo(4);
    
    /// Font Operation Related
    m_bIsBitBlt = true;
    m_bIsScr2Scr = false;
    DisableEffect(); // Disable per-pixel/per-plane alpha blending and fading
    SetColorKeyOff();

    m_pG2DReg->ALPHA = (FADING_OFFSET_DISABLE | ALPHA_VALUE_DISABLE);
    m_pG2DReg->ROP = (G2D_OPERAND3_FG_BIT | G2D_NO_ALPHA_MODE | OPAQUE_ENABLE | G2D_ROP_SRC_ONLY);
    SetRotationOrg(0, 0);
    m_pG2DReg->ROT_MODE = ROT_0;
    m_pG2DReg->ALPHA = 0;
}

void FIMGSE2D::PutPixel(DWORD uPosX, DWORD uPosY, DWORD uColor) //modification
{
    SetRotationMode(ROT_0);    
    
    RequestEmptyFifo(4);
    
    m_pG2DReg->COORD0_X = uPosX;
    m_pG2DReg->COORD0_Y = uPosY;
    m_pG2DReg->FG_COLOR = uColor;

    DoCmd(&(m_pG2DReg->CMDR0), G2D_REND_POINT_BIT, G2D_FASTRETURN);
}

/**
 * Draw Line
 * (usPosX1, usPosY1) ~ (usPosX2, usPosY2)
 * Do not draw last point
 *   0 < usPosX, usPosY1, usPosX2, usPosY2 < 2040
 * X-INCR is calculated by (End_X - Start_X)/ ABS(End_Y - Start Y), when Y-axis is the major axis(Y length>X length)
 * Y-INCR is calculated by (End_Y - Start_Y)/ ABS(End_X - Start X), When X-axis is the major axis
 */
#define INCR_INTEGER_PART_LENGTH    (11)
#define INCR_FRACTION_PART_LENGTH   (11)
void FIMGSE2D::PutLine(DWORD usPosX1, DWORD usPosY1, DWORD usPosX2, DWORD usPosY2, DWORD uColor, bool bIsDrawLastPoint) //modification
{
    int nMajorCoordX;
    DWORD uHSz, uVSz;
    int i;
    int nIncr=0;
    DWORD uCmdRegVal;

    SetRotationMode(ROT_0);        

    RequestEmptyFifo(7);

    RETAILMSG(DISP_ZONE_LINE,(TEXT("(%d,%d)~(%d,%d):Color:0x%x, LasT:%d\n"),
        usPosX1, usPosY1, usPosX2, usPosY2, uColor, bIsDrawLastPoint));

    m_pG2DReg->COORD0_X = usPosX1;
    m_pG2DReg->COORD0_Y = usPosY1;
    m_pG2DReg->COORD2_X = usPosX2;
    m_pG2DReg->COORD2_Y = usPosY2;

    /// Vertical Length
    uVSz = ABS((WORD)usPosY1 - (WORD)usPosY2);
    /// Horizontal Length
    uHSz = ABS((WORD)usPosX1 - (WORD)usPosX2);

    nMajorCoordX = (uHSz>=uVSz);

    if(nMajorCoordX)
    {
        // X length is longer than Y length
        // YINCR = (EY-SY)/ABS(EX-SX)
        for (i=0; i<INCR_FRACTION_PART_LENGTH+1; i++)
        {
            uVSz <<= 1;
            nIncr <<= 1;
            if (uVSz >= uHSz)
            {
                nIncr = nIncr | 1;
                uVSz -= uHSz;
            }
        }
        nIncr = (nIncr + 1) >> 1;
        if (usPosY1 > usPosY2)
        {
            nIncr = (~nIncr) + 1; // 2's complement
        }
        RETAILMSG(DISP_ZONE_LINE, (TEXT("YINCR: %x  "), nIncr ));
  }
    else
    {
        // Y length is longer than Y length    
        // XINCR = (EX-SX)/ABS(EY-SY)
        for (i=0; i<INCR_FRACTION_PART_LENGTH+1; i++)
        {
            uHSz <<= 1;
            nIncr <<= 1;
            if (uHSz >= uVSz)

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