gfx_osi.c

IBM source for pallas/vulcan/vesta

    }
 
    // Fixme:  I don't know how to deal with too small a mask by default
    // So I assume we clip also by mask bound
    if(pAlpha)
    {
        UINT uAlphaWidth, uAlphaHeight;
        INT nx, ny;
        uAlphaWidth = uWidth;
        uAlphaHeight = uHeight;
        nAlphaX += xadj;
        nAlphaY += yadj;
        nx = nAlphaX;
        ny = nAlphaY;
        // check for pattern area
        if(gfx_osi_ClipExtRect(&pAlpha->bound,
            &nAlphaX, &nAlphaY, &uAlphaWidth, &uAlphaHeight))
        {
            PDEBUG("No overlapping mask rect is found!\n");
            return -1;
        }
        else if(uAlphaWidth < uWidth || uAlphaHeight < uHeight)
        {
            uWidth = uAlphaWidth;
            uHeight = uAlphaHeight;
            nx = nAlphaX - nx;
            ny = nAlphaY - ny;
            nSrcX += nx; 
            nDesX += nx; 
            nSrcY += ny; 
            nDesY += ny; 
        }
    }

    if(GET_GFX_SURFACE_DATA_TYPE(pDes->uPlaneConfig) != G2D_ARGB_8888 || GET_GFX_SURFACE_DATA_TYPE(pSrc->uPlaneConfig) != G2D_ARGB_8888)
    {
        rtn = -1;
    }
    else
    {
        BYTE *psrca;
        UINT bplsrca;
        UINT incsrca;
        ALPHA_BLEND_SELECT bs;

        if(!pBlendSelect || 
            (pBlendSelect->blendInputSelect == GFX_BLEND_ALPHA_FROM_PATTERN && !pAlpha)) // no alpha given
        {
            pBlendSelect = &bs;
            bs.blendInputSelect = GFX_BLEND_ALPHA_FROM_SOURCE;
            bs.globalAlphaValue = 255;
            bs.storedAlphaSelect = GFX_DEST_ALPHA_FROM_DESTINATION;
            PDEBUG("Alpha mask is not used\n");
        }

        switch(pBlendSelect->blendInputSelect)
        {
        case GFX_BLEND_ALPHA_FROM_GIVEN:
            psrca = &pBlendSelect->globalAlphaValue;
            bplsrca = 0;
            incsrca = 0;
            break;

        case GFX_BLEND_ALPHA_FROM_DESTINATION:
            psrca = pDes->plane[0].pBuffer + nDesY*pDes->plane[0].uBytePerLine + (nDesX<<2);
            bplsrca = pDes->plane[0].uBytePerLine;
            incsrca = 4;
            break;

        case GFX_BLEND_ALPHA_FROM_PATTERN:
            psrca = pAlpha->plane[0].pBuffer + nAlphaY*pAlpha->plane[0].uBytePerLine + nAlphaX;
            bplsrca = pAlpha->plane[0].uBytePerLine;
            incsrca = 1;
            break;

        case GFX_BLEND_ALPHA_FROM_SOURCE:
        default:
            psrca = pSrc->plane[0].pBuffer + nSrcY*pSrc->plane[0].uBytePerLine + (nSrcX<<2);
            bplsrca = pSrc->plane[0].uBytePerLine;
            incsrca = 4;
            break;
        
        }

        PDEBUGE("Alpha p = %08x, bpl=%d, inc=%d\n", psrca, bplsrca, incsrca);

        switch(pBlendSelect->storedAlphaSelect)
        {
        case GFX_DEST_ALPHA_FROM_GIVEN:
            __gfx_osi_g2d_blend32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, nDesX, nDesY, uWidth, uHeight,
                      pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, nSrcX, nSrcY,
                      psrca, bplsrca, incsrca, &pBlendSelect->globalAlphaValue, 0, 0);
            break;
        case GFX_DEST_ALPHA_FROM_SOURCE:
            __gfx_osi_g2d_blend32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, nDesX, nDesY, uWidth, uHeight,
                      pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, nSrcX, nSrcY,
                      psrca, bplsrca, incsrca, 
                      pSrc->plane[0].pBuffer + nSrcY*pSrc->plane[0].uBytePerLine + (nSrcX<<2), pSrc->plane[0].uBytePerLine, 4);
            break;
        case GFX_DEST_ALPHA_FROM_DESTINATION:
            __gfx_osi_g2d_blend32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, nDesX, nDesY, uWidth, uHeight,
                      pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, nSrcX, nSrcY,
                      psrca, bplsrca, incsrca, 
                      pDes->plane[0].pBuffer + nDesY*pDes->plane[0].uBytePerLine + (nDesX<<2), pDes->plane[0].uBytePerLine, 4);
            break;
        case GFX_DEST_ALPHA_FROM_BLEND:
            __gfx_osi_g2d_blend32_a(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, nDesX, nDesY, uWidth, uHeight,
                      pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, nSrcX, nSrcY,
                      psrca, bplsrca, incsrca);
            break;
        }
    }

    return rtn;
}



INT gfx_osi_colorKey(GFX_SURFACE_T *pDes, INT nDesX, INT nDesY,
                UINT uWidth, UINT uHeight,
                GFX_SURFACE_T *pSrc, INT nSrcX, INT nSrcY,
                COLOR_KEY_SELECT *pColorKeySelect, ALPHA_SELECT *pAlphaSelect)
{
    INT rtn;

    if(!gfx_osi_pSurface_valid(pSrc) || !gfx_osi_pSurface_valid(pDes))
    {
        PDEBUG("invalid surface!\n");
        return -1;
    }
    if(!pColorKeySelect)
    {
        PDEBUG("Color key is not specified!\n");
        return -1;
    }

    if(gfx_osi_ClipExtBLTRect(&pSrc->bound, &pDes->clip, 
                            &nSrcX, &nSrcY, &nDesX, &nDesY,  &uWidth, &uHeight, NULL, NULL))
    {
        PDEBUG("No overlapping rect is found!\n");
        return 0;       // just done
    }

    rtn = -1;

    return rtn;
}



INT gfx_osi_resize(GFX_SURFACE_T *pDes, UINT uDesX, UINT uDesY, UINT uDesWidth, UINT uDesHeight,
            GFX_SURFACE_T *pSrc, UINT uSrcX, UINT uSrcY, UINT uSrcWidth, UINT uSrcHeight,
            BYTE destAlpha, char enableGammaCorrection)
{
    INT rtn = 0;

    if(!gfx_osi_pSurface_valid(pSrc) || !gfx_osi_pSurface_valid(pDes))
    {
        PDEBUG("invalid surface!\n");
        return -1;
    }

    gfx_osi_pixelJustify(pDes->plane[0].uPixelJustify, &uDesX, &uDesWidth);
    gfx_osi_pixelJustify(pSrc->plane[0].uPixelJustify, &uSrcX, &uSrcWidth);

    if(gfx_osi_ClipRect(pDes->plane[0].uAllocWidth, pDes->plane[0].uAllocHeight, 
                            uDesX, uDesY, &uDesWidth, &uDesHeight))
    {
        return 0;       // that's it
    }

    if(gfx_osi_ClipRect(pSrc->plane[0].uAllocWidth, pSrc->plane[0].uAllocHeight, 
                            uSrcX, uSrcY, &uSrcWidth, &uSrcHeight))
    {
        return 0;       // that's it
    }

    {
        if(GET_GFX_SURFACE_DATA_TYPE(pSrc->uPlaneConfig) == G2D_CLUT8)
        {
            GFX_PALETTE_T yuvpal[256];
            GFX_PALETTE_T *pPal;
            pPal = __gfx_osi_g2d_select_palette(pSrc, pDes, yuvpal);
            switch(GET_GFX_SURFACE_DATA_TYPE(pDes->uPlaneConfig))
            {
            case G2D_CLUT8:
                __gfx_osi_g2d_resize_nn8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                break;
            case G2D_AYCBCR422:
                __gfx_osi_g2d_fillblt8(pDes->plane[2].pBuffer,  pDes->plane[2].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, destAlpha);  // a
            case G2D_YCBCR422:
                // y
                __gfx_osi_g2d_resize_clut_8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, pPal, 1);
                // uv
                __gfx_osi_g2d_resize_clut_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, pPal);
                break;
            case G2D_AYCBCR420:
                __gfx_osi_g2d_fillblt8(pDes->plane[2].pBuffer,  pDes->plane[2].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, destAlpha);  // a
            case G2D_YCBCR420:
                // y
                __gfx_osi_g2d_resize_clut_8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, pPal, 1);
                // uv
                __gfx_osi_g2d_resize_clut_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY/2,
                    uDesWidth, uDesHeight/2, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, pPal);
                break;
            case G2D_ARGB_8888:
                __gfx_osi_g2d_resize_clut_32(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, pPal);
                break;
            default:
                rtn = -1;
                break;
            }
        }
        else if(GET_GFX_SURFACE_DATA_TYPE(pDes->uPlaneConfig) == G2D_CLUT8 || IS_GFX_SURFACE_CLUT(pSrc->uPlaneConfig))
        {
            rtn = -1;
        }
        else    // we all are direct color modes
        {
            // uv
            switch(GET_GFX_SURFACE_DATA_TYPE(pDes->uPlaneConfig))
            {
            case G2D_YCBCR422:      // des is 422
            case G2D_AYCBCR422:     
                switch(GET_GFX_SURFACE_DATA_TYPE(pSrc->uPlaneConfig))
                {
                case G2D_YCBCR422:      // src is 422
                case G2D_AYCBCR422:     
                    // y first
#ifdef __G2D_FAST_RESIZE
                    __gfx_osi_g2d_resize_nn8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#else
                    __gfx_osi_g2d_resize_bl8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#endif
                    // uv
                    __gfx_osi_g2d_resize_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[1].pBuffer, pSrc->plane[1].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                    break;
                case G2D_YCBCR420:      // src is 420
                case G2D_AYCBCR420:     // we should expand to 422
                    // y first
#ifdef __G2D_FAST_RESIZE
                    __gfx_osi_g2d_resize_nn8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#else
                    __gfx_osi_g2d_resize_bl8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#endif
                    // uv
                    __gfx_osi_g2d_resize_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[1].pBuffer, pSrc->plane[1].uBytePerLine, uSrcX, uSrcY/2, uSrcWidth, uSrcHeight/2);
                    break;
                case G2D_ARGB_8888:
                    __gfx_osi_g2d_resize_32_yuv422(pDes->plane[0].pBuffer, pDes->plane[1].pBuffer, pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                    break;
                default:
                    rtn = -1;
                }
                break;
            case G2D_YCBCR420:          // des is 420
            case G2D_AYCBCR420:
                switch(GET_GFX_SURFACE_DATA_TYPE(pSrc->uPlaneConfig))
                {
                case G2D_YCBCR422:      // src is 422
                case G2D_AYCBCR422:     // we need drop odd lines
                    // y first
#ifdef __G2D_FAST_RESIZE
                    __gfx_osi_g2d_resize_nn8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#else
                    __gfx_osi_g2d_resize_bl8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#endif
                    // uv
                    __gfx_osi_g2d_resize_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY/2,
                        uDesWidth, uDesHeight/2, pSrc->plane[1].pBuffer, pSrc->plane[1].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                    break;
                case G2D_YCBCR420:      // src is 420
                case G2D_AYCBCR420:     
                    // y first
#ifdef __G2D_FAST_RESIZE
                    __gfx_osi_g2d_resize_nn8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#else
                    __gfx_osi_g2d_resize_bl8(pDes->plane[0].pBuffer,  pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
#endif
                    // uv
                    __gfx_osi_g2d_resize_uv(pDes->plane[1].pBuffer,  pDes->plane[1].uBytePerLine, uDesX, uDesY/2,
                        uDesWidth, uDesHeight/2, pSrc->plane[1].pBuffer, pSrc->plane[1].uBytePerLine, uSrcX, uSrcY/2, uSrcWidth, uSrcHeight/2);
                    break;
                case G2D_ARGB_8888:
                    __gfx_osi_g2d_resize_32_yuv420(pDes->plane[0].pBuffer, pDes->plane[1].pBuffer, pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                    break;
                default:
                    rtn = -1;
                }
                break;
            case G2D_ARGB_8888: // des is argb8888
                switch(GET_GFX_SURFACE_DATA_TYPE(pSrc->uPlaneConfig))
                {
                case G2D_YCBCR422:      // src is 422
                case G2D_AYCBCR422:     
                    __gfx_osi_g2d_resize_yuv422_32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[1].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, destAlpha);
                    break;
                case G2D_YCBCR420:      // src is 420
                case G2D_AYCBCR420:     
                    __gfx_osi_g2d_resize_yuv420_32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[1].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight, destAlpha);
                    break;
                case G2D_ARGB_8888:
                    __gfx_osi_g2d_resize_32(pDes->plane[0].pBuffer, pDes->plane[0].uBytePerLine, uDesX, uDesY,
                        uDesWidth, uDesHeight, pSrc->plane[0].pBuffer, pSrc->plane[0].uBytePerLine, uSrcX, uSrcY, uSrcWidth, uSrcHeight);
                    break;
                default:
                    rtn = -1;
                }
                break;
            default:
                rtn = -1;
            }
            // a
            switch(GET_GFX_SURFACE_DATA_TYPE(pDes->uPlaneConfig))
            {
            case G2D_AYCBCR422:     // dest has alpha
            case G2D_AYCBCR420:
                __gfx_osi_g2d_fillblt8(pDes->plane[2].pBuffer,  pDes->plane[2].uBytePerLine, uDesX, uDesY,
                    uDesWidth, uDesHeight, destAlpha);  // a
                break;
            default: // no alpha at all
                break;
            }
        }
    }

    return rtn;
}