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14 lines
558 B
C++
14 lines
558 B
C++
#import "TextureCompression.h"
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#import "BC1Compression.h"
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void compressRGBAToBC1(uint8_t const * _Nonnull argb, int width, int height, uint8_t * _Nonnull bc1) {
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DTX1CompressorDecompressor::BC1Compression compression;
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DTX1CompressorDecompressor::BMPImage image;
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image.InitWithData((unsigned char *)argb, width, height);
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image.m_ownData = false;
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DTX1CompressorDecompressor::BC1DDSImage ddsImage;
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compression.Compress(image, ddsImage);
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int numBlocks = width * height / (4 * 4);
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memcpy(bc1, ddsImage.GetData(), numBlocks * 8);
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}
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