diff options
| author | Brian Paul <brianp@vmware.com> | 2010-09-20 15:34:02 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2010-09-20 15:34:02 -0600 |
| commit | 77af10955462819d973a395270777c5b8217f6ae (patch) | |
| tree | 0ca80dfde8e525b817ba1d4ffd36639df853a94a | |
| parent | 1662c317032cf280701d7e55b028b7f0dc8afc65 (diff) | |
| download | mesa-sprite-coord.tar.gz | |
draw: check bitshift against PIPE_MAX_SHADER_OUTPUSsprite-coord
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_wide_point.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c index 40843c58c20..3646c6a7145 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c +++ b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c @@ -237,7 +237,11 @@ widepoint_first_point(struct draw_stage *stage, for (i = 0; i < fs->info.num_inputs; i++) { if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { const int generic_index = fs->info.input_semantic_index[i]; - if (rast->sprite_coord_enable & (1 << generic_index)) { + /* Note that sprite_coord enable is a bitfield of + * PIPE_MAX_SHADER_OUTPUTS bits. + */ + if (generic_index < PIPE_MAX_SHADER_OUTPUTS && + (rast->sprite_coord_enable & (1 << generic_index))) { /* OK, this generic attribute needs to be replaced with a * texcoord (see above). */ |