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draw: added array element debug / bounds checking code (disabled)

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This commit is contained in:
Brian Paul 2010-07-16 11:09:17 -06:00
parent 2f6d47a7c8
commit 959a458ea0
1 changed files with 24 additions and 4 deletions
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28
src/gallium/auxiliary/draw/draw_pt_vcache.c
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@ -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) {