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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-09-15 19:32:10 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-09-16 12:51:58 -0400 |
| commit | eb081681df248750727a8a76436760d617b4a6a9 (patch) | |
| tree | aa46019ab0d6efc10b064cc87d5cc116fcc6c522 /src/mesa/state_tracker/st_atom_texture.c | |
| parent | 1aff899a874abddc2d79e595242a233e874e4a96 (diff) | |
| download | external_mesa3d-eb081681df248750727a8a76436760d617b4a6a9.zip external_mesa3d-eb081681df248750727a8a76436760d617b4a6a9.tar.gz external_mesa3d-eb081681df248750727a8a76436760d617b4a6a9.tar.bz2 | |
st/mesa: avoid integer overflows with buffers >= 512MB
This fixes failures with the newly-submitted max-size texture buffer
piglit test for GPUs exposing >= 128M max texels.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.6 11.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Diffstat (limited to 'src/mesa/state_tracker/st_atom_texture.c')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_texture.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c index 31e0f6b..3e37752 100644 --- a/src/mesa/state_tracker/st_atom_texture.c +++ b/src/mesa/state_tracker/st_atom_texture.c @@ -274,8 +274,8 @@ st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe, return NULL; size = MIN2(stObj->pt->width0 - base, (unsigned)stObj->base.BufferSize); - f = ((base * 8) / desc->block.bits) * desc->block.width; - n = ((size * 8) / desc->block.bits) * desc->block.width; + f = (base / (desc->block.bits / 8)) * desc->block.width; + n = (size / (desc->block.bits / 8)) * desc->block.width; if (!n) return NULL; templ.u.buf.first_element = f; |