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clover: Fix region size error checking in some buffer transfer commands.

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Tested-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Francisco Jerez 2014-03-14 11:31:11 +01:00
parent c8309cde30
commit d70ad1a4f9
1 changed files with 16 additions and 5 deletions
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21
src/gallium/state_trackers/clover/api/transfer.cpp
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@ -49,6 +49,17 @@ namespace {
return pitch;
}
///
/// Size of a region in bytes.
///
size_t
size(const vector_t &pitch, const vector_t &region) {
if (any_of(is_zero(), region))
return 0;
else
return dot(pitch, region - vector_t{ 0, 1, 1 });
}
///
/// Common argument checking shared by memory transfer commands.
///
@ -75,7 +86,7 @@ namespace {
throw error(CL_INVALID_VALUE);
// ...and within the specified object.
if (dot(pitch, origin) + pitch[2] * region[2] > mem.size())
if (dot(pitch, origin) + size(pitch, origin) > mem.size())
throw error(CL_INVALID_VALUE);
if (any_of(is_zero(), region))
@ -128,8 +139,8 @@ namespace {
auto src_offset = dot(src_pitch, src_orig);
if (interval_overlaps()(
dst_offset, dst_offset + dst_pitch[2] * region[2],
src_offset, src_offset + src_pitch[2] * region[2]))
dst_offset, dst_offset + size(dst_pitch, region),
src_offset, src_offset + size(src_pitch, region)))
throw error(CL_MEM_COPY_OVERLAP);
}
}
@ -199,10 +210,10 @@ namespace {
return [=, &q](event &) {
auto dst = _map<T>::get(q, dst_obj, CL_MAP_WRITE,
dot(dst_pitch, dst_orig),
dst_pitch[2] * region[2]);
size(dst_pitch, region));
auto src = _map<S>::get(q, src_obj, CL_MAP_READ,
dot(src_pitch, src_orig),
src_pitch[2] * region[2]);
size(src_pitch, region));
vector_t v = {};
for (v[2] = 0; v[2] < region[2]; ++v[2]) {