diff options
Diffstat (limited to 'indra/llrender/llimagegl.cpp')
| -rw-r--r-- | indra/llrender/llimagegl.cpp | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp index 46478ba3c9..36ac3ff119 100644 --- a/indra/llrender/llimagegl.cpp +++ b/indra/llrender/llimagegl.cpp @@ -1693,11 +1693,11 @@ void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in) return; } - U32 pick_width = width/2; - U32 pick_height = height/2; + U32 pick_width = width/2 + 1; + U32 pick_height = height/2 + 1; - U32 size = llmax(pick_width, (U32) 1) * llmax(pick_height, (U32) 1); - size = size/8 + 1; + U32 size = pick_width * pick_height; + size = (size + 7) / 8; // pixelcount-to-bits mPickMask = new U8[size]; mPickMaskWidth = pick_width; mPickMaskHeight = pick_height; @@ -1716,10 +1716,7 @@ void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in) { U32 pick_idx = pick_bit/8; U32 pick_offset = pick_bit%8; - if (pick_idx >= size) - { - llerrs << "WTF?" << llendl; - } + llassert(pick_idx < size); mPickMask[pick_idx] |= 1 << pick_offset; } @@ -1748,8 +1745,8 @@ BOOL LLImageGL::getMask(const LLVector2 &tc) llassert(mPickMaskWidth > 0 && mPickMaskHeight > 0); - S32 x = (S32)(u * mPickMaskWidth); - S32 y = (S32)(v * mPickMaskHeight); + S32 x = llfloor(u * mPickMaskWidth); + S32 y = llfloor(v * mPickMaskHeight); if (LL_UNLIKELY(x >= mPickMaskWidth)) { |