Function imageResizeRgba32fLinear

3rdparty/bimg/src/image_encode.cpp:544–587

	}

	bool imageResizeRgba32fLinear(ImageContainer* _dst, const ImageContainer* _src)
	{
		const uint16_t numSides = _src->m_numLayers * (_src->m_cubeMap ? 6 : 1);

		for (uint16_t side = 0; side < numSides; ++side)
		{
			bimg::ImageMip srcMip;
			bimg::imageGetRawData(*_src, side, 0, _src->m_data, _src->m_size, srcMip);

			bimg::ImageMip dstMip;
			bimg::imageGetRawData(*_dst, side, 0, _dst->m_data, _dst->m_size, dstMip);
			uint8_t* dstData = const_cast<uint8_t*>(dstMip.m_data);

			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;

			for (uint32_t zz = 0, depth = _dst->m_depth; zz < depth; ++zz, dstData += dstSlice)
			{
				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_BOX
					, STBIR_COLORSPACE_LINEAR
					, NULL
					);

				if (1 != result)
				{
					return false;
				}
			}

		}

		return true;
	}

	static float getAlpha(UnpackFn _unpack, const void* _data)
	{