diff options
| author | Brian Paul <[email protected]> | 2010-07-16 11:09:17 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2010-07-16 11:09:32 -0600 |
| commit | 959a458ea01d5fa4274bdd439da114b42d3b86d3 (patch) | |
| tree | c0083d87796c3de6e8921c801ac675653407ec48 | |
| parent | 2f6d47a7c8d6e69e5154de44115aab9ba35a41d2 (diff) | |
draw: added array element debug / bounds checking code (disabled)
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_vcache.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c index b7e0da7d44e..d856bd8bd3d 100644 --- a/src/gallium/auxiliary/draw/draw_pt_vcache.c +++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c @@ -344,10 +344,10 @@ vcache_check_run( struct draw_pt_front_end *frontend, { struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; struct draw_context *draw = vcache->draw; - unsigned min_index = draw->pt.user.min_index; - unsigned max_index = draw->pt.user.max_index; - unsigned index_size = draw->pt.user.eltSize; - unsigned fetch_count = max_index + 1 - min_index; + const unsigned min_index = draw->pt.user.min_index; + const unsigned max_index = draw->pt.user.max_index; + const unsigned index_size = draw->pt.user.eltSize; + const unsigned fetch_count = max_index + 1 - min_index; const ushort *transformed_elts; ushort *storage = NULL; boolean ok = FALSE; @@ -357,6 +357,26 @@ vcache_check_run( struct draw_pt_front_end *frontend, vcache->fetch_max, draw_count); + /* debug: verify indexes are in range [min_index, max_index] */ + if (0) { + unsigned i; + for (i = 0; i < draw_count; i++) { + if (index_size == 1) { + assert( ((const ubyte *) elts)[i] >= min_index); + assert( ((const ubyte *) elts)[i] <= max_index); + } + else if (index_size == 2) { + assert( ((const ushort *) elts)[i] >= min_index); + assert( ((const ushort *) elts)[i] <= max_index); + } + else { + assert(index_size == 4); + assert( ((const uint *) elts)[i] >= min_index); + assert( ((const uint *) elts)[i] <= max_index); + } + } + } + if (elt_bias + max_index >= DRAW_PIPE_MAX_VERTICES || fetch_count >= UNDEFINED_VERTEX_ID || fetch_count > draw_count) { |