diff options
| author | Arpad Borsos <arpad.borsos@googlemail.com> | 2010-04-14 14:26:32 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2010-04-14 14:26:37 -0600 |
| commit | b3a68cdc6f4bf2c006aa01f8980536e8e520d62a (patch) | |
| tree | 60993ca65bc6153f425d42e2283b05027db0a84d | |
| parent | d9793fc3ac0986f8665e269ecf993705132d0360 (diff) | |
softpipe: Fix division by zero
This can be triggered by running the cairo tests using the gl backend
and softpipe.
Signed-off-by: Brian Paul <brianp@vmware.com>
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index 85966bc5e4..e64aee6d82 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -669,17 +669,17 @@ static void setup_tri_edges( struct setup_context *setup ) setup->emaj.sy = ceilf(vmin_y); setup->emaj.lines = (int) ceilf(vmax_y - setup->emaj.sy); - setup->emaj.dxdy = setup->emaj.dx / setup->emaj.dy; + setup->emaj.dxdy = setup->emaj.dy ? setup->emaj.dx / setup->emaj.dy : .0f; setup->emaj.sx = vmin_x + (setup->emaj.sy - vmin_y) * setup->emaj.dxdy; setup->etop.sy = ceilf(vmid_y); setup->etop.lines = (int) ceilf(vmax_y - setup->etop.sy); - setup->etop.dxdy = setup->etop.dx / setup->etop.dy; + setup->etop.dxdy = setup->etop.dy ? setup->etop.dx / setup->etop.dy : .0f; setup->etop.sx = vmid_x + (setup->etop.sy - vmid_y) * setup->etop.dxdy; setup->ebot.sy = ceilf(vmin_y); setup->ebot.lines = (int) ceilf(vmid_y - setup->ebot.sy); - setup->ebot.dxdy = setup->ebot.dx / setup->ebot.dy; + setup->ebot.dxdy = setup->ebot.dy ? setup->ebot.dx / setup->ebot.dy : .0f; setup->ebot.sx = vmin_x + (setup->ebot.sy - vmin_y) * setup->ebot.dxdy; } |