I want to import an image using Haxe, my image is big but it is 8 bits and it weighs 89kb. The problem occurs when I import it, because the size of the memory grows by 35mb. I suppose it is reserving memory for a 32bit image. Any idea how to import an image of 8bits, without consuming so much memory?
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1\$\begingroup\$ Is your image a png or jpeg? Those formats are storage compressions. When you load a png it will unload into full memory size. But im not sure how OpenFL handles compression though, I don't know if openfl handles any gpu compressed image formats. \$\endgroup\$– SidarNov 24, 2017 at 18:54
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\$\begingroup\$ It's a png with alpha and 8bits, but I can covert it to other format. which format do you think can work best? \$\endgroup\$– Matías GonzálezNov 24, 2017 at 18:58
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\$\begingroup\$ I'm not familiar with OpenFLs system. I don't think any format matters if they unpack fully in memory. What are your targets? Also see: github.com/openfl/lime/issues/872 \$\endgroup\$– SidarNov 24, 2017 at 18:59
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\$\begingroup\$ Only html5. I read the documentation and did not find anything related to the number of bits :( \$\endgroup\$– Matías GonzálezNov 24, 2017 at 19:01
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\$\begingroup\$ Webgl ( if you're even using that ) supports a few compressed textures. But on targets that do not support those formats it will unpack regardless. You could ask about this in their irc chat and report back? \$\endgroup\$– SidarNov 24, 2017 at 19:05
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1 Answer
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Joshua answer the question: https://stackoverflow.com/questions/47478690/image-import-in-haxe-openfl/47479897#47479897
OpenFL currently uses 32-bit memory for images at runtime, regardless of the original compression format. I believe there is an enhancement task open right now to allow for 24-bit, 16-bit and other color formats.