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edited Apr 13, 2017 at 12:18

I have finally figured out what was going on. The undesired thin white diagonal lines on the floor appeared because I was using glEnable(GL_POLYGON_SMOOTH);, which is apparently a bad practice.

The problem regarding the unexpected result when blending textures was caused due to a strange behaviour of a discard; operation in the shader. More details about it in this other questionthis other question.

I have finally figured out what was going on. The undesired thin white diagonal lines on the floor appeared because I was using glEnable(GL_POLYGON_SMOOTH);, which is apparently a bad practice.

The problem regarding the unexpected result when blending textures was caused due to a strange behaviour of a discard; operation in the shader. More details about it in this other question.

I have finally figured out what was going on. The undesired thin white diagonal lines on the floor appeared because I was using glEnable(GL_POLYGON_SMOOTH);, which is apparently a bad practice.

The problem regarding the unexpected result when blending textures was caused due to a strange behaviour of a discard; operation in the shader. More details about it in this other question.

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answered Jul 18, 2012 at 12:22

Dan

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I have finally figured out what was going on. The undesired thin white diagonal lines on the floor appeared because I was using glEnable(GL_POLYGON_SMOOTH);, which is apparently a bad practice.

The problem regarding the unexpected result when blending textures was caused due to a strange behaviour of a discard; operation in the shader. More details about it in this other question.