Method Load

src/Nazara/Utility/Formats/DDSLoader.cpp:41–121

			}

			static bool Load(Image* image, Stream& stream, const ImageParams& parameters)
			{
				NazaraUnused(parameters);

				ByteStream byteStream(&stream);
				byteStream.SetDataEndianness(Endianness_LittleEndian);

				UInt32 magic;
				byteStream >> magic;
				NazaraAssert(magic == DDS_Magic, "Invalid DDS file"); // The Check function should make sure this doesn't happen

				DDSHeader header;
				byteStream >> header;

				DDSHeaderDX10Ext headerDX10;
				if (header.format.flags & DDPF_FOURCC && header.format.fourCC == D3DFMT_DX10)
					byteStream >> headerDX10;
				else
				{
					headerDX10.arraySize = 1;
					headerDX10.dxgiFormat = DXGI_FORMAT_UNKNOWN;
					headerDX10.miscFlag = 0;
					headerDX10.resourceDimension = D3D10_RESOURCE_DIMENSION_UNKNOWN;
				}

				if ((header.flags & DDSD_WIDTH) == 0)
					NazaraWarning("Ill-formed DDS file, doesn't have a width flag");

				unsigned int width = std::max(header.width, 1U);

				unsigned int height = 1U;
				if (header.flags & DDSD_HEIGHT)
					height = std::max(header.height, 1U);

				unsigned int depth = 1U;
				if (header.flags & DDSD_DEPTH)
					depth = std::max(header.depth, 1U);

				unsigned int levelCount = (parameters.levelCount > 0) ? std::min(parameters.levelCount, static_cast<UInt8>(header.levelCount)) : header.levelCount;

				// First, identify the type
				ImageType type;
				if (!IdentifyImageType(header, headerDX10, &type))
					return false;

				// Then the format
				PixelFormatType format;
				if (!IdentifyPixelFormat(header, headerDX10, &format))
					return false;

				image->Create(type, format, width, height, depth, levelCount);

				// Read all mipmap levels
				for (unsigned int i = 0; i < image->GetLevelCount(); i++)
				{
					std::size_t byteCount = PixelFormat::ComputeSize(format, width, height, depth);

					UInt8* ptr = image->GetPixels(0, 0, 0, i);