From f3def21c963bcf0e575466b6cd4efba7772ec820 Mon Sep 17 00:00:00 2001 From: Andri Yngvason Date: Sun, 8 Sep 2019 23:24:01 +0000 Subject: [PATCH] Fix y-inversion --- src/zrle.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/zrle.c b/src/zrle.c index bde026c..e2f7024 100644 --- a/src/zrle.c +++ b/src/zrle.c @@ -369,14 +369,15 @@ int zrle_encode_box(struct vec* out, const struct rfb_pixel_format *dst_fmt, int tile_x = (i % UDIV_UP(width, 64)) * 64; int tile_y = (i / UDIV_UP(width, 64)) * 64; - if (fb->nvnc_modifier & NVNC_MOD_Y_INVERT) - tile_y = (UDIV_UP(height, 64) - tile_y / 64 - 1) * 64; - int tile_width = width - tile_x >= 64 ? 64 : width - tile_x; int tile_height = height - tile_y >= 64 ? 64 : height - tile_y; + int y_off = !(fb->nvnc_modifier & NVNC_MOD_Y_INVERT) + ? y + tile_y + : fb->height - y - tile_y - tile_height; + zrle_copy_tile(tile, - ((uint32_t*)fb->addr) + x + tile_x + (y + tile_y) * stride, + ((uint32_t*)fb->addr) + x + tile_x + y_off * stride, stride, tile_width, tile_height, fb->nvnc_modifier);