Function init

core/image/s3.go:26–53

()

)

func init() {
	RegisterConverter(S3_DXT1_RGB, RGBA_U8_NORM, func(src []byte, w, h, d int) ([]byte, error) {
		return decode4x4Blocks(src, w, h, d, func(r binary.Reader, dst []pixel) {
			decodeDXT1(r, dst, func(p *pixel) {
				p.setToBlackRGB()
			})
		})
	})
	RegisterConverter(S3_DXT1_RGBA, RGBA_U8_NORM, func(src []byte, w, h, d int) ([]byte, error) {
		return decode4x4Blocks(src, w, h, d, func(r binary.Reader, dst []pixel) {
			decodeDXT1(r, dst, func(p *pixel) {
				p.setToBlackRGBA()
			})
		})
	})
	RegisterConverter(S3_DXT3_RGBA, RGBA_U8_NORM, func(src []byte, w, h, d int) ([]byte, error) {
		return decode4x4Blocks(src, w, h, d, func(r binary.Reader, dst []pixel) {
			decodeAlphaDXT3(r, dst)
			decodeColorDXT3_5(r, dst)
		})
	})
	RegisterConverter(S3_DXT5_RGBA, RGBA_U8_NORM, func(src []byte, w, h, d int) ([]byte, error) {
		return decode4x4Blocks(src, w, h, d, func(r binary.Reader, dst []pixel) {
			decodeAlphaDXT5(r, dst)
			decodeColorDXT3_5(r, dst)
		})
	})
}

type pixel struct {
	r, g, b, a int