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Fixed out of bound access when running out of matrix cache.

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This commit is contained in:
Branimir Karadžić
2016-12-06 14:47:27 -08:00
parent ec15f0a01f
commit 90cc7640fb
1 changed files with 4 additions and 1 deletions
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5
src/bgfx_p.h
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@@ -907,7 +907,10 @@ namespace bgfx
uint32_t num = *_num;
BX_WARN(m_num+num < BGFX_CONFIG_MAX_MATRIX_CACHE, "Matrix cache overflow. %d (max: %d)", m_num+num, BGFX_CONFIG_MAX_MATRIX_CACHE);
num = bx::uint32_min(num, BGFX_CONFIG_MAX_MATRIX_CACHE-m_num);
uint32_t first = m_num;
uint32_t first = m_num < BGFX_CONFIG_MAX_MATRIX_CACHE
? m_num
: BGFX_CONFIG_MAX_MATRIX_CACHE - 1
;
m_num += num;
*_num = (uint16_t)num;
return first;