Add support to BC4 and BC5 format #2013
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ben-clayton
approved these changes
Jun 22, 2018
| @@ -160,36 +160,35 @@ func decodeAlphaDXT3(r binary.Reader, dst []pixel) { | |||
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| func decodeAlphaDXT5(r binary.Reader, dst []pixel) { | |||
| a0, a1, codes := int(r.Uint8()), int(r.Uint8()), uint64(r.Uint16())|(uint64(r.Uint32())<<16) | |||
| for i := 0; i < 16; i++ { | |||
| dst[i].a = mixAlphaDXT5(a0, a1, codes) | |||
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Ignorable: I unfortunately suspect this might not inline, but I do side with readability / reuse than raw performance in this case.
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So that BC4 and BC5 format images can be converted to RGBA8_UNORM format.