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...ap->devKind) +#define NUM_TILES_WIDTH (LINEAR_PITCH/TILE_PITCH) + +static NVPtr last_wfb_pNv = NULL; + +/* Note, we can only expose one read and write function, the linear versions are for internal consumption. */ +static FbBits +nouveau_exa_wfb_read_memory(const void *src, int size) +{ + int i, line_x, line_y, tile_x, tile_y, subtile_x, subtile_y; + unsigned long offset = (unsigned long) src, subpixel_offset; + PixmapPtr pPixmap = NULL; + FbBits bits = 0; + void *new_src; + + if (!last_wfb_pNv) + return nouveau_exa_wfb_read_memory_linear(src, size); + + /* Find the right pixmap. */ + for (i = 0...