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};

int sna_blit_tex(bitmap_t *dst_bitmap, int dst_x, int dst_y,

                  int w, int h, bitmap_t *src_bitmap, int src_x, int src_y,

                  bitmap_t *mask_bitmap)

{

    struct sna_composite_op cop;

    batchbuffer_t  execbuffer;

    BoxRec box;

    struct kgem_bo src_bo, mask_bo, dst_bo;

    memset(&cop, 0, sizeof(cop));

    memset(&execbuffer,  0, sizeof(execbuffer));

    memset(&src_bo, 0, sizeof(src_bo));

    memset(&dst_bo, 0, sizeof(dst_bo));

    memset(&mask_bo, 0, sizeof(mask_bo));

    src_bo.gaddr  = src_bitmap->gaddr;

    src_bo.pitch  = src_bitmap->pitch;

    src_bo.tiling = 0;

    dst_bo.gaddr  = dst_bitmap->gaddr;

    dst_bo.pitch  = dst_bitmap->pitch;

    dst_bo.tiling = 0;

    mask_bo.gaddr  = mask_bitmap->gaddr;

    mask_bo.pitch  = mask_bitmap->pitch;

    mask_bo.tiling = 0;

    box.x1 = dst_x;

    box.y1 = dst_y;

    box.x2 = dst_x+w;

    box.y2 = dst_y+h;

    sna_device->render.composite(sna_device, 0,

                                 src_bitmap, &src_bo,

                                 mask_bitmap, &mask_bo,

                                 dst_bitmap, &dst_bo,

                                 src_x, src_y,

                                 src_x, src_y,

                                 dst_x, dst_y,

                                 w, h, &cop);

    cop.box(sna_device, &cop, &box);

    cop.done(sna_device, &cop);

    INIT_LIST_HEAD(&execbuffer.objects);

    list_add_tail(&src_bitmap->obj->exec_list, &execbuffer.objects);

    list_add_tail(&mask_bitmap->obj->exec_list, &execbuffer.objects);

    _kgem_submit(&sna_device->kgem, &execbuffer);