tried to add faster srgb to/from linear from this source<div><br></div><div><a href="https://stackoverflow.com/questions/6475373/optimizations-for-pow-with-const-non-integer-exponent">https://stackoverflow.com/questions/6475373/optimizations-for-pow-with-const-non-integer-exponent</a></div><div><br></div><div>see answer with poly7 code. </div><div><br></div><div>still around 8-9 fps on full HD frames (png), while different composition mode (porter/duff, srcOnTop) does 22 fps! <br><br>On Tuesday, June 29, 2021, Andrew Randrianasulu &lt;<a href="mailto:randrianasulu@gmail.com">randrianasulu@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">updated diff attached, now both &#39;my&#39; new modes (avg was around before but was deleted at some point.. &lt;*&gt;) works in plain x11. probably for opengl preview you need to a bit more lines.. <div><br></div><div>reason why it failed to compile at first - one (!) additional space in defines for new mode.. <br><div><br></div><div>&lt;*&gt; <a href="http://git.cinelerra-gg.org/git/?p=goodguy/history.git;a=commit;h=93d60cc0fdf746cc03b4d7a9e45744c2c424439b" target="_blank">http://git.cinelerra-gg.org/<wbr>git/?p=goodguy/history.git;a=<wbr>commit;h=<wbr>93d60cc0fdf746cc03b4d7a9e45744<wbr>c2c424439b</a></div><div><br></div><div><br><br>On Tuesday, June 29, 2021, Andrew Randrianasulu &lt;<a href="mailto:randrianasulu@gmail.com" target="_blank">randrianasulu@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">finally looked at history..<div><br></div><div><a href="http://git.cinelerra-gg.org/git/?p=goodguy/history.git;a=blobdiff;f=cinelerra-5.1/cinelerra/overlayframe.h;h=730be3741ed638b54703c530809aeaada999e20e;hp=7ca03621e6b6df0b91b165e9566fbc263a2074b0;hb=93d60cc0fdf746cc03b4d7a9e45744c2c424439b;hpb=361dbd9de4e6e4143ea0cac5daa89b30685a4c70" target="_blank">http://git.cinelerra-gg.org/gi<wbr>t/?p=goodguy/history.git;a=blo<wbr>bdiff;f=cinelerra-5.1/cinelerr<wbr>a/overlayframe.h;h=730be3741ed<wbr>638b54703c530809aeaada999e20e;<wbr>hp=7ca03621e6b6df0b91b165e9566<wbr>fbc263a2074b0;hb=93d60cc0fdf74<wbr>6cc03b4d7a9e45744c2c424439b;<wbr>hpb=361dbd9de4e6e4143ea0cac5da<wbr>a89b30685a4c70</a></div><div><br></div><div>and made this patch (attached) </div><div><br></div><div>it works softer than logical or porter/duff modes, but notiecably  slower ( (on 8 core arm tablet) </div><div><br></div><div><br></div><div>my modes fails to compile - something about me not really knowing how to write macro functions (?) </div><div><br></div><div><br></div><div><br></div>
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