Rendering glitch with GL_DEPTH_TEST and transparent textures

Question

From one angle my shrubs look like this:

From the other, they look like this:

Answer 1

That link (and sorting on CPU) is for alpha blending. If you need only Alpha Testing (not Blending), then you don't need to sort anything. Just enable alpha test, keeping depth test enabled, and everything will be rendered fine.

See here: http://www.opengl.org/wiki/Transparency_Sorting You need "Alpha test" that requires alpha testing, not "Standard translucent" that requires sorting.