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Question by imarko · Oct 25, 2014 at 08:41 AM · compressiondevicesupportrgba

Only allow Android devices that support RGBA compression

Hello,

I know that all Android devices support ETC1 compression, but I will have too many issues if I use ETC. Is there any way I can ban/not support all devices that cant display RGBA compression correctly. Developer console tells me that my game is supported on all devices, but on some devices sprites are not displayed correctly (RGBA used). What is the best way to unsupport devices that cant handle RGBA.

If I am forced to use ETC1 on some devices, what will happen to sprites that use alpha (not opaque) and will I still be able to use alpha in code.

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avatar image Itaros · Oct 25, 2014 at 08:51 AM 0
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Isn't it ETC1+RGBA16 for GLES2.0?

avatar image imarko · Oct 25, 2014 at 10:34 AM 0
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Yes, I can see it now. But some devices cant display sprites, galaxy young and xperia e for example. How can I find all device that cant display it corretly. alt text

problem1.jpg (185.1 kB)
avatar image Itaros · Oct 25, 2014 at 11:22 AM 0
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Wow, never encountered anything like this. Good to know

avatar image imarko · Oct 25, 2014 at 11:25 AM 0
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Should I report this as bug?

avatar image Itaros · Oct 25, 2014 at 04:12 PM 0
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It looks definitely like one. I think, yes

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Answer by screenname_taken · Oct 25, 2014 at 04:32 PM

I think your issue here is that the phones you talk about are really low end. Try to force OpenGL ES 1 and see what happens. And no i don't think it's a bug if the GPU isn't supporting what you want to do.

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avatar image imarko · Oct 25, 2014 at 09:12 PM 0
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Where can I force OpenGL ES 1, I can only set u to 2.0 or force 3.0. I use unity 4.5.5 where (I think) 1.X is not available.

avatar image screenname_taken · Oct 26, 2014 at 12:04 PM 0
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Baaah i apologize. I remember that force OpenGL ES 1.0 from an older version of Unity.

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