In _mesa_compressed_texture_size(), texcompress.c there's lots of code
similar to the following:
case MESA_FORMAT_RGBA_DXT1:
/* round up width, height to next multiple of 4 */
width = (width + 3) & ~3;
height = (height + 3) & ~3;
/* 8 bytes per 4x4 tile of RGB[A] texels */
size = width * height / 2;
/* Textures smaller than 4x4 will effectively be made into 4x4 and
* take 8 bytes.
*/
if (size < 8)
size = 8;
return size;
What's the purpose of the if (size < 8) size = 8;? It seems redundant to me.
Philipp
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