kolibrios/programs/system/drivers/ati2d/accel_2d.inc

int ClearPixmap(io_clear_t *io)
{
     u32_t ifl;
     u32_t *ring;

     local_pixmap_t *dstpixmap;

     dstpixmap = (io->dstpix == (void*)-1) ? &scr_pixmap : io->dstpix ;

     ifl = safe_cli();

#if R300_PIO

     R5xxFIFOWait(6);

     OUTREG(R5XX_DP_GUI_MASTER_CNTL,
            RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
            RADEON_GMC_BRUSH_SOLID_COLOR      |
            RADEON_GMC_DST_32BPP              |
            RADEON_GMC_SRC_DATATYPE_COLOR     |
            R5XX_GMC_CLR_CMP_CNTL_DIS         |
            R5XX_GMC_WR_MSK_DIS               |
            R5XX_ROP3_P
           );

     OUTREG(R5XX_DP_BRUSH_FRGD_CLR, io->color);
     OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);
     OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
     OUTREG(R5XX_DST_Y_X, 0);
     OUTREG(R5XX_DST_WIDTH_HEIGHT,(dstpixmap->width<<16)|dstpixmap->height);

#else
      BEGIN_RING(6);

        OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));

        OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_BRUSH_SOLID_COLOR      |
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 R5XX_GMC_CLR_CMP_CNTL_DIS         |
                 R5XX_GMC_WR_MSK_DIS               |
                 R5XX_ROP3_P
                );

        OUT_RING(dstpixmap->pitch_offset);
        OUT_RING(io->color);
        OUT_RING( 0 );
        OUT_RING((dstpixmap->width<<16)|dstpixmap->height);
      COMMIT_RING();

#endif

     safe_sti(ifl);

     return ERR_OK;
}


int Line(io_draw_t *draw)
{
     local_pixmap_t *dstpixmap;
     clip_t clip;
     int x0, y0, x1, y1;

     dstpixmap = (draw->dstpix == (void*)-1) ? &scr_pixmap : draw->dstpix ;

     x0 = draw->x0;
     y0 = draw->y0;

     x1 = draw->x1;
     y1 = draw->y1;

     clip.xmin = 0;
     clip.ymin = 0;
     clip.xmax = dstpixmap->width-1;
     clip.ymax = dstpixmap->height-1;

     if ( !LineClip(&clip, &x0, &y0, &x1, &y1 ))
     {
        u32_t ifl;
        u32_t *ring, write;

        ifl = safe_cli();

#if R300_PIO

        R5xxFIFOWait(6);

        OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
               RADEON_GMC_BRUSH_SOLID_COLOR      |
               RADEON_GMC_DST_32BPP              |
               RADEON_GMC_SRC_DATATYPE_COLOR     |
               R5XX_GMC_CLR_CMP_CNTL_DIS         |
               R5XX_GMC_WR_MSK_DIS               |
               R5XX_ROP3_P
              );

        OUTREG(R5XX_DST_LINE_PATCOUNT, 0x55 << R5XX_BRES_CNTL_SHIFT);

        OUTREG(R5XX_DP_BRUSH_FRGD_CLR, draw->color);
        OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);

        OUTREG(R5XX_DST_LINE_START,(y0<<16)|x0);
        OUTREG(R5XX_DST_LINE_END,(y1<<16)|x1);
#else
       BEGIN_RING(6);

         OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_POLYLINE, 4));
         OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                  RADEON_GMC_BRUSH_SOLID_COLOR      |
                  RADEON_GMC_DST_32BPP              |
                  RADEON_GMC_SRC_DATATYPE_COLOR     |
                  R5XX_GMC_CLR_CMP_CNTL_DIS         |
                  R5XX_GMC_WR_MSK_DIS               |
                  R5XX_ROP3_P);

         OUT_RING(dstpixmap->pitch_offset);
         OUT_RING(draw->color);
         OUT_RING((y0<<16)|x0);
         OUT_RING((y1<<16)|x1);
       COMMIT_RING();
#endif
        safe_sti(ifl);
     };
     return ERR_OK;
}

int DrawRect(io_draw_t* draw)
{
     int x0, y0, x1, y1, xend, yend;

     local_pixmap_t *dstpixmap;
     clip_t dst_clip;

     dstpixmap = (draw->dstpix == (void*)-1) ? &scr_pixmap : draw->dstpix ;

     x0 = draw->x0;
     y0 = draw->y0;

     x1 = xend = x0 + draw->w - 1;
     y1 = yend = y0 + draw->h - 1;

     dst_clip.xmin = 0;
     dst_clip.ymin = 0;
     dst_clip.xmax = dstpixmap->width-1;
     dst_clip.ymax = dstpixmap->height-1;


//  dbgprintf("draw rect x0:%d, y0:%d, x1:%d, y1:%d, color: %x\n",
//             x0, y0, x1, y1, draw->color);

     if( ! BlockClip( &dst_clip, &x0, &y0, &x1, &y1))
     {
        u32_t *ring;
        u32_t ifl;
        int w, h;

        w = x1 - x0 + 1;
        h = y1 - y0 + 1;

        ifl = safe_cli();

#if R300_PIO

        R5xxFIFOWait(6);

        OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
               RADEON_GMC_BRUSH_SOLID_COLOR      |
               RADEON_GMC_DST_32BPP              |
               RADEON_GMC_SRC_DATATYPE_COLOR     |
               R5XX_GMC_CLR_CMP_CNTL_DIS         |
               R5XX_GMC_WR_MSK_DIS               |
               R5XX_ROP3_P
              );

        OUTREG(R5XX_DP_BRUSH_FRGD_CLR, draw->color);
        OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);
        OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
        OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
        OUTREG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|h);

        if( draw->color != draw->border)
        {
           OUTREG(R5XX_DP_BRUSH_FRGD_CLR, draw->border);

           if( y0 == draw->y0)
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              y0++;
              h--;
           }
           if( y1 == yend )
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y1<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              h--;
           }
           if( (h > 0) && (x0 == draw->x0))
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
           if( (h > 0) && (x1 == xend))
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x1);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
        };
#else

      BEGIN_RING(64);

        OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));

        OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_BRUSH_SOLID_COLOR      |
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 R5XX_GMC_CLR_CMP_CNTL_DIS         |
                 R5XX_GMC_WR_MSK_DIS               |
                 R5XX_ROP3_P
                );

        OUT_RING(dstpixmap->pitch_offset);
        OUT_RING(draw->color);
        OUT_RING((x0<<16)|y0);
        OUT_RING((w<<16)|h);
        OUT_RING(CP_PACKET2());
        OUT_RING(CP_PACKET2());

        if( draw->color != draw->border)
        {
           if( y0 == draw->y0) {
              OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
              OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                       RADEON_GMC_BRUSH_SOLID_COLOR      |
                       RADEON_GMC_DST_32BPP              |
                       RADEON_GMC_SRC_DATATYPE_COLOR     |
                       R5XX_GMC_CLR_CMP_CNTL_DIS         |
                       R5XX_GMC_WR_MSK_DIS               |
                       R5XX_ROP3_P
                      );

              OUT_RING(dstpixmap->pitch_offset);
              OUT_RING(draw->border);
              OUT_RING((x0<<16)|y0);
              OUT_RING((w<<16)|1);
        OUT_RING(CP_PACKET2());
        OUT_RING(CP_PACKET2());

           //   y0++;
           //   h--;
           }
           if( y1 == yend ) {
              OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
              OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                       RADEON_GMC_BRUSH_SOLID_COLOR      |
                       RADEON_GMC_DST_32BPP              |
                       RADEON_GMC_SRC_DATATYPE_COLOR     |
                       R5XX_GMC_CLR_CMP_CNTL_DIS         |
                       R5XX_GMC_WR_MSK_DIS               |
                       R5XX_ROP3_P
                      );

              OUT_RING(dstpixmap->pitch_offset);
              OUT_RING(draw->border);
              OUT_RING((x0<<16)|y1);
              OUT_RING((w<<16)|1);
        OUT_RING(CP_PACKET2());
        OUT_RING(CP_PACKET2());

            //  h--;
           }
           if( (h > 0) && (x0 == draw->x0)) {
              OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
              OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                       RADEON_GMC_BRUSH_SOLID_COLOR      |
                       RADEON_GMC_DST_32BPP              |
                       RADEON_GMC_SRC_DATATYPE_COLOR     |
                       R5XX_GMC_CLR_CMP_CNTL_DIS         |
                       R5XX_GMC_WR_MSK_DIS               |
                       R5XX_ROP3_P
                      );

              OUT_RING(dstpixmap->pitch_offset);
              OUT_RING(draw->border);
              OUT_RING((x0<<16)|y0);
              OUT_RING((1<<16)|h);
        OUT_RING(CP_PACKET2());
        OUT_RING(CP_PACKET2());

           }
           if( (h > 0) && (x1 == xend)) {
              OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
              OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                       RADEON_GMC_BRUSH_SOLID_COLOR      |
                       RADEON_GMC_DST_32BPP              |
                       RADEON_GMC_SRC_DATATYPE_COLOR     |
                       R5XX_GMC_CLR_CMP_CNTL_DIS         |
                       R5XX_GMC_WR_MSK_DIS               |
                       R5XX_ROP3_P
                      );

              OUT_RING(dstpixmap->pitch_offset);
              OUT_RING(draw->border);
              OUT_RING((x1<<16)|y0);
              OUT_RING((1<<16)|h);
        OUT_RING(CP_PACKET2());
        OUT_RING(CP_PACKET2());

           }
        };

/*

        CP_REG(R5XX_DP_GUI_MASTER_CNTL,
                 RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_BRUSH_SOLID_COLOR      |
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 R5XX_GMC_CLR_CMP_CNTL_DIS         |
                 R5XX_GMC_WR_MSK_DIS               |
                 R5XX_ROP3_P
                );
        CP_REG(R5XX_DP_BRUSH_FRGD_CLR, draw->color);
        CP_REG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);

        CP_REG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
        CP_REG(R5XX_DST_Y_X,(y0<<16)|x0);
        CP_REG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|h);
        if( draw->color != draw->border)
        {
        CP_REG(R5XX_DP_GUI_MASTER_CNTL,
                 RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_BRUSH_SOLID_COLOR      |
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 R5XX_GMC_CLR_CMP_CNTL_DIS         |
                 R5XX_GMC_WR_MSK_DIS               |
                 R5XX_ROP3_P
                );
           CP_REG(R5XX_DP_BRUSH_FRGD_CLR, draw->border);
        CP_REG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);

        CP_REG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);


           if( y0 == draw->y0) {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              y0++;
              h--;
           }
           if( y1 == yend ) {
              CP_REG(R5XX_DST_Y_X,(y1<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              h--;
           }
           if( (h > 0) && (x0 == draw->x0)) {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
           if( (h > 0) && (x1 == xend)) {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x1);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
        };
*/

      COMMIT_RING();
#endif
        safe_sti(ifl);
     };
     return ERR_OK;
}

int FillRect(io_fill_t *fill)
{
     local_pixmap_t *dstpixmap;
     clip_t dst_clip;
     int x0, y0, x1, y1, xend, yend;

     dstpixmap = (fill->dstpix == (void*)-1) ? &scr_pixmap : fill->dstpix ;

     x0 = fill->x;
     y0 = fill->y;

     xend = x1 = x0 + fill->w - 1;
     yend = y1 = y0 + fill->h - 1;

     dst_clip.xmin = 0;
     dst_clip.ymin = 0;
     dst_clip.xmax = dstpixmap->width-1;
     dst_clip.ymax = dstpixmap->height-1;

//  dbgprintf("fill rect x0:%d, y0:%d, x1:%d, y1:%d\n",
//             x0, y0, x1, y1);

     if( ! BlockClip(&dst_clip, &x0, &y0, &x1, &y1))
     {
        u32_t *ring, write;
        u32_t ifl;

        int w = x1 - x0 + 1;
        int h = y1 - y0 + 1;

        ifl = safe_cli();

#if R300_PIO

        R5xxFIFOWait(9);

        OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_DST_PITCH_OFFSET_CNTL |
               R5XX_GMC_BRUSH_8X8_MONO_FG_BG    |
               RADEON_GMC_DST_32BPP             |
               R5XX_GMC_SRC_DATATYPE_COLOR      |
               R5XX_GMC_CLR_CMP_CNTL_DIS        |
               R5XX_GMC_WR_MSK_DIS              |
               R5XX_ROP3_P
               );

        OUTREG(R5XX_DP_BRUSH_BKGD_CLR, fill->bkcolor);
        OUTREG(R5XX_DP_BRUSH_FRGD_CLR, fill->fcolor);

        OUTREG(R5XX_BRUSH_DATA0, fill->bmp0);
        OUTREG(R5XX_BRUSH_DATA1, fill->bmp1);

        OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);
        OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);

        OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
        OUTREG(R5XX_DST_HEIGHT_WIDTH,(h<<16)|w);

        if( (fill->border & 0xFF000000) != 0)
        {
           R5xxFIFOWait(2);

           OUTREG(R5XX_DP_GUI_MASTER_CNTL,
                  RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                  RADEON_GMC_BRUSH_SOLID_COLOR      |
                  RADEON_GMC_DST_32BPP              |
                  RADEON_GMC_SRC_DATATYPE_COLOR     |
                  R5XX_GMC_CLR_CMP_CNTL_DIS         |
                  R5XX_GMC_WR_MSK_DIS               |
                  R5XX_ROP3_P
                 );

           OUTREG(R5XX_DP_BRUSH_FRGD_CLR, fill->border);

           if( y0 == fill->y)
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              y0++;
              h--;
           }
           if( y1 == yend )
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y1<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              h--;
           }
           if( (h > 0) && (x0 == fill->x))
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x0);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
           if( (h > 0) && (x1 == xend))
           {
              R5xxFIFOWait(2);

              OUTREG(R5XX_DST_Y_X,(y0<<16)|x1);
              OUTREG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
        };


#else
      BEGIN_RING(9+10*2);

        OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT, 7));
        OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL    |
                 R5XX_GMC_BRUSH_8X8_MONO_FG_BG       |
                 RADEON_GMC_DST_32BPP                |
                 RADEON_GMC_SRC_DATATYPE_COLOR       |
                 R5XX_GMC_CLR_CMP_CNTL_DIS           |
                 R5XX_GMC_WR_MSK_DIS                 |
                 R5XX_ROP3_P
                );

        OUT_RING(dstpixmap->pitch_offset);
        OUT_RING(fill->bkcolor);
        OUT_RING(fill->fcolor);

        OUT_RING(fill->bmp0);
        OUT_RING(fill->bmp1);

        OUT_RING((y0<<16)|x0);
        OUT_RING((y1<<16)|x1);

        if( (fill->border & 0xFF000000) != 0)
        {
           CP_REG(R5XX_DP_GUI_MASTER_CNTL,
                  RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                  RADEON_GMC_BRUSH_SOLID_COLOR      |
                  RADEON_GMC_DST_32BPP              |
                  RADEON_GMC_SRC_DATATYPE_COLOR     |
                  R5XX_GMC_CLR_CMP_CNTL_DIS         |
                  R5XX_GMC_WR_MSK_DIS               |
                  R5XX_ROP3_P
                 );

           CP_REG(R5XX_DP_BRUSH_FRGD_CLR, fill->border);

           if( y0 == fill->y)
           {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              y0++;
              h--;
           }
           if( y1 == yend )
           {
              CP_REG(R5XX_DST_Y_X,(y1<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(w<<16)|1);
              h--;
           }
           if( (h > 0) && (x0 == fill->x))
           {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x0);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
           if( (h > 0) && (x1 == xend))
           {
              CP_REG(R5XX_DST_Y_X,(y0<<16)|x1);
              CP_REG(R5XX_DST_WIDTH_HEIGHT,(1<<16)|h);
           }
        };

      COMMIT_RING();

#endif
        safe_sti(ifl);
     };
     return ERR_OK;
};


#define ADDRREG(addr)  ((volatile u32_t *)(rhd.MMIOBase + (addr)))


static int blit_host(u32_t dstpitch, int dstx, int dsty,
                     u32_t  src, int srcx, int srcy,
                     int w, int h, int srcpitch)
{
    u32_t     ifl;
    color_t  *src_addr;

    ifl = safe_cli();

#if R300_PIO

    R5xxFIFOWait(5);

    OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
//               RADEON_GMC_DST_CLIPPING           |
               RADEON_GMC_BRUSH_NONE             |
               RADEON_GMC_DST_32BPP              |
               RADEON_GMC_SRC_DATATYPE_COLOR     |
               RADEON_DP_SRC_SOURCE_HOST_DATA    |
          //     RADEON_GMC_BYTE_MSB_TO_LSB        |
               R5XX_GMC_CLR_CMP_CNTL_DIS         |
               R5XX_GMC_WR_MSK_DIS               |
               R5XX_ROP3_S
              );

    OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT |
                         R5XX_DST_Y_TOP_TO_BOTTOM);

    OUTREG(R5XX_DST_PITCH_OFFSET, dstpitch);

//        OUTREG(RADEON_SC_TOP_LEFT, (y << 16) | ((x+skipleft) & 0xffff));
//        OUTREG(RADEON_SC_BOTTOM_RIGHT,  ((y+h) << 16) | ((x+w) & 0xffff));

    OUTREG(RADEON_DST_Y_X, (dsty << 16) | (dstx & 0xffff));
    OUTREG(RADEON_DST_HEIGHT_WIDTH, (h << 16) | w);


    src_addr = &((color_t*)src)[srcpitch*srcy/4+srcx];

    while ( h-- )
    {
        color_t *tmp_src = src_addr;
        src_addr += srcpitch/4;

        int left = w;

        while( left )
        {
            volatile u32_t *d;

            if( left > 8 )
            {
                int i;

                R5xxFIFOWait(8);
                d = ADDRREG(RADEON_HOST_DATA0);

				/* Unrolling doesn't improve performance */
                for ( i = 0; i < 8; i++)
                    *d++ = *tmp_src++;
                left -= 8;
            }
            else
            {
                R5xxFIFOWait(left);

                if( h )
                    d = ADDRREG(RADEON_HOST_DATA7) - (left - 1);
                else
                    d = ADDRREG(RADEON_HOST_DATA_LAST) - (left - 1);

                for ( ; left; --left)
                    *d++ = *tmp_src++;
                left = 0;
            };
        };
    };

#endif

    safe_sti(ifl);

    return ERR_OK;
}


int Blit(io_blit_t *blit)
{
    clip_t src_clip, dst_clip;

    local_pixmap_t *srcpixmap;
    local_pixmap_t *dstpixmap;

    //dbgprintf("Pixblit src: %x dst: %x\n",blit->srcpix, blit->dstpix);

    dstpixmap = (blit->dstpix == (void*)-1) ? &scr_pixmap : blit->dstpix ;
    srcpixmap = (blit->srcpix == (void*)-1) ? &scr_pixmap : blit->srcpix ;

    //dbgprintf("srcpixmap: %x dstpixmap: %x\n",srcpixmap, dstpixmap);

    //dbgprintf("dst.width: %d dst.height: %d\n", dstpixmap->width,dstpixmap->height);
    //dbgprintf("src.width: %d src.height: %d\n", srcpixmap->width,srcpixmap->height);
    //dbgprintf("srcpitch: %x dstpitch: %x\n",
    //           srcpixmap->pitch_offset,dstpixmap->pitch_offset);

    src_clip.xmin = 0;
    src_clip.ymin = 0;
    src_clip.xmax = srcpixmap->width-1;
    src_clip.ymax = srcpixmap->height-1;

    dst_clip.xmin = 0;
    dst_clip.ymin = 0;
    dst_clip.xmax = dstpixmap->width-1;
    dst_clip.ymax = dstpixmap->height-1;

    if( !blit_clip(&dst_clip, &blit->dst_x, &blit->dst_y,
                   &src_clip, &blit->src_x, &blit->src_y,
                   &blit->w, &blit->h) )
    {
        u32_t *ring, write;
        u32_t ifl;

        if( (srcpixmap->flags & PX_MEM_MASK)==PX_MEM_SYSTEM)
            return blit_host(dstpixmap->pitch_offset,
                             blit->dst_x, blit->dst_y,
                             srcpixmap->mapped,
                             blit->src_x, blit->src_y,
                             blit->w, blit->h,
                             srcpixmap->pitch);

        ifl = safe_cli();

#if R300_PIO

        R5xxFIFOWait(7);

        OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
               RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
               RADEON_GMC_BRUSH_NONE             |
               RADEON_GMC_DST_32BPP              |
               RADEON_GMC_SRC_DATATYPE_COLOR     |
               RADEON_DP_SRC_SOURCE_MEMORY       |
               R5XX_GMC_CLR_CMP_CNTL_DIS         |
               R5XX_GMC_WR_MSK_DIS               |
               R5XX_ROP3_S
              );

        OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);

        OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
        OUTREG(R5XX_SRC_PITCH_OFFSET, srcpixmap->pitch_offset);

        OUTREG(R5XX_SRC_Y_X,(blit->src_y<<16)|blit->src_x);
        OUTREG(R5XX_DST_Y_X,(blit->dst_y<<16)|blit->dst_x);
        OUTREG(R5XX_DST_HEIGHT_WIDTH,(blit->h<<16)|blit->w);

#else
    BEGIN_RING(7);

        OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT, 5));

        OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                 RADEON_GMC_BRUSH_NONE             |
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 RADEON_DP_SRC_SOURCE_MEMORY       |
                 R5XX_GMC_CLR_CMP_CNTL_DIS         |
                 R5XX_GMC_WR_MSK_DIS               |
                 R5XX_ROP3_S
                );

        OUT_RING(srcpixmap->pitch_offset);
        OUT_RING(dstpixmap->pitch_offset);

        OUT_RING((blit->src_x<<16)|blit->src_y);
        OUT_RING((blit->dst_x<<16)|blit->dst_y);
        OUT_RING((blit->w<<16)|blit->h);
    COMMIT_RING();

#endif
        safe_sti(ifl);
     };
     return ERR_OK;
};


int BlitTransparent(io_blit_t *blit)
{
     clip_t src_clip, dst_clip;

     local_pixmap_t *srcpixmap;
     local_pixmap_t *dstpixmap;

    // dbgprintf("Transblit src: %x dst: %x\n",blit->srcpix, blit->dstpix);

     dstpixmap = (blit->dstpix == (void*)-1) ? &scr_pixmap : blit->dstpix ;
     srcpixmap = (blit->srcpix == (void*)-1) ? &scr_pixmap : blit->srcpix ;

     //dbgprintf("srcpixmap: %x dstpixmap: %x\n",srcpixmap, dstpixmap);

     //dbgprintf("dst.width: %d dst.height: %d\n", dstpixmap->width,dstpixmap->height);
     //dbgprintf("src.width: %d src.height: %d\n", srcpixmap->width,srcpixmap->height);
     //dbgprintf("srcpitch: %x dstpitch: %x\n",
     //           srcpixmap->pitch_offset,dstpixmap->pitch_offset);
     src_clip.xmin = 0;
     src_clip.ymin = 0;
     src_clip.xmax = srcpixmap->width-1;
     src_clip.ymax = srcpixmap->height-1;

     dst_clip.xmin = 0;
     dst_clip.ymin = 0;
     dst_clip.xmax = dstpixmap->width-1;
     dst_clip.ymax = dstpixmap->height-1;

     if( !blit_clip(&dst_clip, &blit->dst_x, &blit->dst_y,
                    &src_clip, &blit->src_x, &blit->src_y,
                    &blit->w, &blit->h) )
     {
        u32_t *ring, write;

        u32_t ifl;

        ifl = safe_cli();

#if R300_PIO

        R5xxFIFOWait(10);

        OUTREG(R5XX_DP_GUI_MASTER_CNTL,
               RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
               RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
               RADEON_GMC_BRUSH_NONE             |
               RADEON_GMC_DST_32BPP              |
               RADEON_GMC_SRC_DATATYPE_COLOR     |
               RADEON_DP_SRC_SOURCE_MEMORY       |
               R5XX_GMC_WR_MSK_DIS               |
               R5XX_ROP3_S
              );

        OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);

        OUTREG(R5XX_CLR_CMP_CLR_SRC, blit->key);
        OUTREG(R5XX_CLR_CMP_MASK, R5XX_CLR_CMP_MSK);
        OUTREG(R5XX_CLR_CMP_CNTL, R5XX_SRC_CMP_EQ_COLOR | R5XX_CLR_CMP_SRC_SOURCE);

        OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
        OUTREG(R5XX_SRC_PITCH_OFFSET, srcpixmap->pitch_offset);

        OUTREG(R5XX_SRC_Y_X,(blit->src_y<<16)|blit->src_x);
        OUTREG(R5XX_DST_Y_X,(blit->dst_y<<16)|blit->dst_x);
        OUTREG(R5XX_DST_HEIGHT_WIDTH,(blit->h<<16)|blit->w);

#else

        BEGIN_RING(10);

          OUT_RING(CP_PACKET3(RADEON_CNTL_TRANBLT, 8));

          OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
                   RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
                   RADEON_GMC_BRUSH_NONE             |
                   RADEON_GMC_DST_32BPP              |
                   RADEON_GMC_SRC_DATATYPE_COLOR     |
                   RADEON_DP_SRC_SOURCE_MEMORY       |
                   R5XX_GMC_WR_MSK_DIS               |
                   R5XX_ROP3_S
                  );

          OUT_RING(srcpixmap->pitch_offset);
          OUT_RING(dstpixmap->pitch_offset);

          OUT_RING(R5XX_CLR_CMP_SRC_SOURCE | R5XX_SRC_CMP_EQ_COLOR);
          OUT_RING(blit->key);
          OUT_RING(0xFFFFFFFF);

          OUT_RING((blit->src_x<<16)|blit->src_y);
          OUT_RING((blit->dst_x<<16)|blit->dst_y);
          OUT_RING((blit->w<<16)|blit->h);

        COMMIT_RING();

#endif

       safe_sti(ifl);
     };
     return ERR_OK;
}


#if 0

int LockPixmap(userpixmap_t *io)
{
   pixmap_t *pixmap;
   size_t    size;
   void     *usermap;

   dbgprintf("Lock pixmap %x\n", io->pixmap);

   if(io->pixmap == (pixmap_t*)-1)
     return ERR_PARAM;
   else
     pixmap = io->pixmap;

   if( (pixmap->flags & 1) == PX_LOCK )
     return ERR_PARAM;

   size = (pixmap->pitch*pixmap->width+4095) & ~ 4095;
   if (usermap = UserAlloc(size))
   {
     CommitPages(usermap, ((u32_t)pixmap->raw+rhd.PhisBase)|7|(1<<9), size);
     pixmap->flags |= PX_LOCK;
     pixmap->usermap = usermap;
     io->usermap = usermap;
     io->pitch   = pixmap->pitch;
     dbgprintf("map at %x\n", io->usermap);

     return ERR_OK;
   }
   else
     return ERR_PARAM;
};

int UnlockPixmap(userpixmap_t *io)
{
  pixmap_t *pixmap;
  size_t    size;

  dbgprintf("Unlock pixmap %x\n", io->pixmap);

  if(io->pixmap == (pixmap_t*)-1)
    return ERR_PARAM;
  else
    pixmap = io->pixmap;

  if( (pixmap->flags & 1) != PX_LOCK )
    return ERR_PARAM;

/*   Sanity checks  */

  if( (pixmap->usermap == 0)||
      ((u32_t)pixmap->usermap >= 0x80000000) ||
      ((u32_t)pixmap->usermap & 4095)
    )
    return ERR_PARAM;

  size = (pixmap->pitch*pixmap->width+4095) & ~ 4095;

  UnmapPages(pixmap->usermap, size);
  UserFree(pixmap->usermap);
  pixmap->usermap =  NULL;
  pixmap->flags  &= ~PX_LOCK;
  io->usermap     =  NULL;
  io->pitch       =  0;

  return ERR_OK;
};

#endif