apitrace Digest, Vol 13, Issue 3

[José Fonseca]

On Thu, Sep 13, 2012 at 10:58 PM, Kenneth Hurley
<klhurley at graffitientertainment.com> wrote:
> On 8/2/12 11:16 AM, apitrace-request at lists.freedesktop.org wrote:
>>
>> But I had to tweak the image
>> >to be a power-of-two -- it looks like EGLImageKHR don't need to be a
>> >power-of-two size, but regular textures do. A bit confusing.
>> >Eitherway, I believe this is a problem with your original solution
>> >too.
>
> Just a FYI,  Images do not have to be a power of two in both cases.
>
> They just need the following set to have NPOT (Non-Power of Two) settings,
>
>     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
>     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
>     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
>     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
>
> And mipmaps should be turned off as they make no sense.
>
> We use NPOT all over the place for video textures.

hmm..

So, essentially, we should also emit the above glTexParameteri calls
when replacing the  glEGLImageTargetTexture2DOE with glTexImage to
ensure the NPOT get accepted...

Jose