raster pushed a commit to branch master. http://git.enlightenment.org/core/efl.git/commit/?id=7743b17dbaf310ce1b1e0753adc772ca56769fc2
commit 7743b17dbaf310ce1b1e0753adc772ca56769fc2 Author: Carsten Haitzler <[email protected]> Date: Wed May 4 18:12:24 2022 +0100 evas - png loader - work around libpng arm bug where rgb > a on decode on arm when a is 0 ... per pixel rgb can be > 0 which violates premul rgb leading to junk rendering. this now is worked around in the png loader and forces rgb to 0 when a is 0 per pixel. @fix --- .../evas/image_loaders/png/evas_image_load_png.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/src/modules/evas/image_loaders/png/evas_image_load_png.c b/src/modules/evas/image_loaders/png/evas_image_load_png.c index 9e5073cc5b..7180e0ce22 100644 --- a/src/modules/evas/image_loaders/png/evas_image_load_png.c +++ b/src/modules/evas/image_loaders/png/evas_image_load_png.c @@ -596,6 +596,17 @@ evas_image_load_file_head_with_data_png(void *loader_data, } free(pixels2); + if ((epi.hasa) && (pack_offset == sizeof(DATA32))) + { + DATA32 *dst_ptr = (DATA32 *) surface; + int total = w * h; + + for (i = 0; i < total; i++) + { + if (A_VAL(dst_ptr) == 0) *dst_ptr = 0; + dst_ptr++; + } + } prop->info.premul = EINA_TRUE; *error = EVAS_LOAD_ERROR_NONE; @@ -882,6 +893,17 @@ evas_image_load_file_data_png(void *loader_data, } } + if ((epi.hasa) && (pack_offset == sizeof(DATA32))) + { + DATA32 *dst_ptr = (DATA32 *) surface; + int total = w * h; + + for (i = 0; i < total; i++) + { + if (A_VAL(dst_ptr) == 0) *dst_ptr = 0; + dst_ptr++; + } + } prop->info.premul = EINA_TRUE; *error = EVAS_LOAD_ERROR_NONE; --
