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perf(bin_decoder): improve the decoding performance of a8 (#7494)

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Benign X 2024-12-24 04:50:26 +08:00 committed by GitHub
parent 0223869773
commit 517b307ae3
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1 changed files with 12 additions and 5 deletions
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17
src/libs/bin_decoder/lv_bin_decoder.c
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@ -275,13 +275,20 @@ lv_result_t lv_bin_decoder_open(lv_image_decoder_t * decoder, lv_image_decoder_d
}
}
else if(LV_COLOR_FORMAT_IS_ALPHA_ONLY(cf)) {
/*Alpha only image will need decoder data to store pointer to decoded image, to free it when decoder closes*/
decoder_data_t * decoder_data = get_decoder_data(dsc);
if(decoder_data == NULL) {
return LV_RESULT_INVALID;
if(cf == LV_COLOR_FORMAT_A8) {
res = LV_RESULT_OK;
use_directly = true;
dsc->decoded = (lv_draw_buf_t *)image;
}
else {
/*Alpha only image will need decoder data to store pointer to decoded image, to free it when decoder closes*/
decoder_data_t * decoder_data = get_decoder_data(dsc);
if(decoder_data == NULL) {
return LV_RESULT_INVALID;
}
res = decode_alpha_only(decoder, dsc);
res = decode_alpha_only(decoder, dsc);
}
}
else {
/*In case of uncompressed formats the image stored in the ROM/RAM.