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REVIEWED: GetPixelDataSize() to consider compressed data properly

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raysan5 2020-06-02 23:08:34 +02:00
parent a4333035c7
commit 3792951023
1 changed files with 8 additions and 0 deletions
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8
src/textures.c
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@ -3222,6 +3222,14 @@ int GetPixelDataSize(int width, int height, int format)
} }
dataSize = width*height*bpp/8; // Total data size in bytes dataSize = width*height*bpp/8; // Total data size in bytes
// Most compressed formats works on 4x4 blocks,
// if texture is smaller, minimum dataSize is 8 or 16
if ((width < 4) && (height < 4))
{
if ((format >= COMPRESSED_DXT1_RGB) && (format < COMPRESSED_DXT3_RGBA)) dataSize = 8;
else if ((format >= COMPRESSED_DXT3_RGBA) && (format < COMPRESSED_ASTC_8x8_RGBA)) dataSize = 16;
}
return dataSize; return dataSize;
} }