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TGA loading problem

Started by programmer88 Sep 29, 2006 at 9:07 AM 1 replies 750+ views

Original Post

Sep 29, 2006 at 9:07 AM

I recently started coding a simple engine, when i hit my first problem... I tried to draw a sprite from the TGA class from the Beginning openGL game programming book and it worked fine until i changed the TGA file from a 128 X 128 picture to a 512 X 512 picture, when this ugly artifact appeared. The green/pink mesh is where the image should be (its drawn to a quad) Help!!! http://geocities.com/rankine_software/strangeerror.jpg

Brother Bob

Sep 29, 2006 at 9:13 AM

Looks like the effect you get when you lie to OpenGL about the number of components in the source image. For example, if the TGA is an RGB image, but you say it's an RGBA. Check the exact format of the TGA and make sure the third and second last parameter to glTexImage matches that format.

programmer88

Sep 29, 2006 at 9:25 AM

Thanks, it works now :p what a simple mistake lol

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