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Fixed 3D texture resize.

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This commit is contained in:
Branimir Karadžić
2018-03-21 17:12:07 -07:00
parent bee361f416
commit 33076e2849
2 changed files with 39 additions and 17 deletions
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39
src/image_encode.cpp
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@@ -414,27 +414,38 @@ namespace bimg
{
bimg::ImageMip srcMip;
bimg::imageGetRawData(*_src, side, 0, _src->m_data, _src->m_size, srcMip);
const float* srcData = (const float*)(srcMip.m_data);
bimg::ImageMip dstMip;
bimg::imageGetRawData(*_dst, side, 0, _dst->m_data, _dst->m_size, dstMip);
float* dstData = (float*)(dstMip.m_data);
uint8_t* dstData = const_cast<uint8_t*>(dstMip.m_data);
int result = stbir_resize_float_generic(
(const float*)srcData, _src->m_width, _src->m_height, _src->m_width*16
, ( float*)dstData, _dst->m_width, _dst->m_height, _dst->m_width*16
, 4, 3
, STBIR_FLAG_ALPHA_PREMULTIPLIED
, STBIR_EDGE_CLAMP
, STBIR_FILTER_CUBICBSPLINE
, STBIR_COLORSPACE_LINEAR
, NULL
);
const uint32_t srcPitch = _src->m_width*16;
const uint32_t srcSlice = _src->m_height*srcPitch;
const uint32_t dstPitch = _dst->m_width*16;
const uint32_t dstSlice = _dst->m_height*dstPitch;
if (1 != result)
for (uint32_t zz = 0, depth = _dst->m_depth; zz < depth; ++zz, dstData += dstSlice)
{
return false;
const uint32_t srcDataStep = uint32_t(bx::floor(zz * _src->m_depth / float(_dst->m_depth) ) );
const uint8_t* srcData = &srcMip.m_data[srcDataStep*srcSlice];
int result = stbir_resize_float_generic(
(const float*)srcData, _src->m_width, _src->m_height, srcPitch
, ( float*)dstData, _dst->m_width, _dst->m_height, dstPitch
, 4, 3
, STBIR_FLAG_ALPHA_PREMULTIPLIED
, STBIR_EDGE_CLAMP
, STBIR_FILTER_CUBICBSPLINE
, STBIR_COLORSPACE_LINEAR
, NULL
);
if (1 != result)
{
return false;
}
}
}
return true;