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| author | Brian <brian.paul@tungstengraphics.com> | 2007-10-23 12:32:02 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-10-23 12:32:02 -0600 |
| commit | 40e46d0727920dffdcc23aba150aa3c37c6ecf65 (patch) | |
| tree | c748ed3c49bf9c1bcbc367d1c33b4e53f9b86a99 /src/mesa/pipe/draw | |
| parent | be049999829d21a1c9ec9a2c616e99186208266b (diff) | |
In get_vertex(), slot was computed using & 31. Replace with % VCACHE_SIZE.
Also, assert that index is not too large before indexing array.
Diffstat (limited to 'src/mesa/pipe/draw')
| -rw-r--r-- | src/mesa/pipe/draw/draw_vertex_cache.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/pipe/draw/draw_vertex_cache.c b/src/mesa/pipe/draw/draw_vertex_cache.c index 1f4adedede..dc939d6d14 100644 --- a/src/mesa/pipe/draw/draw_vertex_cache.c +++ b/src/mesa/pipe/draw/draw_vertex_cache.c @@ -57,7 +57,7 @@ void draw_vertex_cache_invalidate( struct draw_context *draw ) static struct vertex_header *get_vertex( struct draw_context *draw, unsigned i ) { - unsigned slot = (i + (i>>5)) & 31; + unsigned slot = (i + (i>>5)) % VCACHE_SIZE; /* Cache miss? */ @@ -74,6 +74,8 @@ static struct vertex_header *get_vertex( struct draw_context *draw, draw->vcache.referenced |= (1 << slot); /* slot now in use */ } + assert(slot < Elements(draw->vcache.idx)); + draw->vcache.idx[slot] = i; /* Add to vertex shader queue: |