diff options
| author | Brian Paul <[email protected]> | 2010-04-19 10:10:41 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2010-04-19 10:10:47 -0600 |
| commit | c060265bdb953f0c9d73e60f08c53a2e3b1a1176 (patch) | |
| tree | ae8c7474823fea0f7f0b59d6a2600717c3436799 /src/mesa | |
| parent | cf7d08b4434325220488d4c9e871e230bafd7b7c (diff) | |
st/mesa: invert scissor rect depending on FB orientation
Fixes fd.o bug 27715
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_scissor.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/mesa/state_tracker/st_atom_scissor.c b/src/mesa/state_tracker/st_atom_scissor.c index 5e0c51cff0a..56b1383ae39 100644 --- a/src/mesa/state_tracker/st_atom_scissor.c +++ b/src/mesa/state_tracker/st_atom_scissor.c @@ -72,12 +72,15 @@ update_scissor( struct st_context *st ) scissor.minx = scissor.miny = scissor.maxx = scissor.maxy = 0; } - /* Now invert Y. Pipe drivers use the convention Y=0=top for surfaces + /* Now invert Y if needed. + * Gallium drivers use the convention Y=0=top for surfaces. */ - miny = fb->Height - scissor.maxy; - maxy = fb->Height - scissor.miny; - scissor.miny = miny; - scissor.maxy = maxy; + if (st_fb_orientation(fb) == Y_0_TOP) { + miny = fb->Height - scissor.maxy; + maxy = fb->Height - scissor.miny; + scissor.miny = miny; + scissor.maxy = maxy; + } if (memcmp(&scissor, &st->state.scissor, sizeof(scissor)) != 0) { /* state has changed */ |