diff options
Diffstat (limited to 'src/gallium/winsys/xlib')
-rw-r--r-- | src/gallium/winsys/xlib/xlib_cell.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/gallium/winsys/xlib/xlib_cell.c b/src/gallium/winsys/xlib/xlib_cell.c index ce4efe88510..2ad1aab4397 100644 --- a/src/gallium/winsys/xlib/xlib_cell.c +++ b/src/gallium/winsys/xlib/xlib_cell.c @@ -47,88 +47,7 @@ -/** - * For Cell. Basically, rearrange the pixels/quads from this layout: - * +--+--+--+--+ - * |p0|p1|p2|p3|.... - * +--+--+--+--+ - * - * to this layout: - * +--+--+ - * |p0|p1|.... - * +--+--+ - * |p2|p3| - * +--+--+ - */ -static void -twiddle_tile(const uint *tileIn, uint *tileOut) -{ - int y, x; - - for (y = 0; y < TILE_SIZE; y+=2) { - for (x = 0; x < TILE_SIZE; x+=2) { - int k = 4 * (y/2 * TILE_SIZE/2 + x/2); - tileOut[y * TILE_SIZE + (x + 0)] = tileIn[k]; - tileOut[y * TILE_SIZE + (x + 1)] = tileIn[k+1]; - tileOut[(y + 1) * TILE_SIZE + (x + 0)] = tileIn[k+2]; - tileOut[(y + 1) * TILE_SIZE + (x + 1)] = tileIn[k+3]; - } - } -} -/** - * Display a surface that's in a tiled configuration. That is, all the - * pixels for a TILE_SIZExTILE_SIZE block are contiguous in memory. - */ -static void -xm_displaytarget_display(struct sw_winsys *ws, - struct sw_displaytarget *dt, - void *winsys_drawable) -{ - struct xmesa_buffer *xm_buffer = (struct xm_drawable *)winsys_drawable; - XImage *ximage; - struct xm_buffer *xm_buf = xm_buffer( - cell_texture(surf->texture)->buffer); - const uint tilesPerRow = (surf->width + TILE_SIZE - 1) / TILE_SIZE; - uint x, y; - - ximage = b->tempImage; - - /* check that the XImage has been previously initialized */ - assert(ximage->format); - assert(ximage->bitmap_unit); - - /* update XImage's fields */ - ximage->width = TILE_SIZE; - ximage->height = TILE_SIZE; - ximage->bytes_per_line = TILE_SIZE * 4; - - for (y = 0; y < surf->height; y += TILE_SIZE) { - for (x = 0; x < surf->width; x += TILE_SIZE) { - uint tmpTile[TILE_SIZE * TILE_SIZE]; - int tx = x / TILE_SIZE; - int ty = y / TILE_SIZE; - int offset = ty * tilesPerRow + tx; - int w = TILE_SIZE; - int h = TILE_SIZE; - - if (y + h > surf->height) - h = surf->height - y; - if (x + w > surf->width) - w = surf->width - x; - - /* offset in pixels */ - offset *= TILE_SIZE * TILE_SIZE; - - /* twiddle from ximage buffer to temp tile */ - twiddle_tile((uint *) xm_buf->data + offset, tmpTile); - /* display temp tile data */ - ximage->data = (char *) tmpTile; - XPutImage(b->xm_visual->display, b->drawable, b->gc, - ximage, 0, 0, x, y, w, h); - } - } -} |