mika/libnx
1
0
Fork 0
mirror of https://github.com/switchbrew/libnx.git synced 2025-06-22 21:02:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

Added x/y bounds checking to gfxGetFramebufferDisplayOffset().

Browse Source
This commit is contained in:
yellows8 2017-11-20 19:26:04 -05:00
parent 8f459cf958
commit 353faed782
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
nx/source/gfx/gfx.c
View File

@ -249,6 +249,9 @@ u32 gfxGetFramebufferDisplayOffset(u32 x, u32 y) {
gfxGetFramebuffer(&width, &height); gfxGetFramebuffer(&width, &height);
if (x >= width) x = width-1;
if (y >= height) y = height-1;
y = height-1-y; y = height-1-y;
tilepos = ((y & 127) / 16) + (x/16*8) + ((y/16/8)*(width/16*8)); tilepos = ((y & 127) / 16) + (x/16*8) + ((y/16/8)*(width/16*8));