Hi people. Look this two images: The first is my original sphere; the second is how I see with OpenGl. It has a deformation on the left side. I've tried everything: GL_LINEAR, GL_NEAREST, GL_CLAMP, etc. I'm using alpha testing for not drawing pink pixels. I've tried with BLEND, but it doesn't work too. Almost every texture that I have, has a minor deformation when I see with OpenGl. But this seems to happen when the texture is very small. For example, my sphere is 45x43. If I scale the QUAD, the texture automatically scale too, and it looks perfect. Is there a way for see a texture exactly like I made in Paint, for example? Thanks in advance!

Ok, I'll scale the image:





The first is my original image, a 24 bits bitmap. In the second image, the deformation is marked with a blue rectangle. This DOESN'T happen if I scale the QUAD.

Also, note this:




The first is my original image, again a 24 bits bitmap. In the second image, I rotated with glrotatef 90 degrees. Note the little deformation.

All this DOESN'T happen if I scale the QUAD, very strange.

What can I do?

Thanks for the answer. I'm using an orthographic projection, and my QUAD is the same size in pixels like my texture. For example, my green sphere is 45x43.



Anyway, I'm sure that the texture's coords and all that is ok, because if I scale the QUAD ( glVertex2f( width = 145, 0) glVertex2f( height = 143, 0) ) the texture is displayed perfectly, without imperfections.

I'm sure that I'm forgetting some texture's parameter, like GL_LINEAR, GL_NEAREST, etc.. but I can't find it.