Using depth buffer with GL_LINES...

Using depth and color buffers with different resolutions (sub-sampled depth buffer)...

With a 2D iPhone OpenGL ES 1.1 app, how do I get my depth buffer working for textures?...

OpenGL point sprites with depth testing - a blending issue?...

OpenGL ES 2.x: How to Discard Depth Buffer glDiscardFramebufferEXT?...

Differences in the depth buffer between Android versions using OpenGL ES 1.1...

Affect depth, or stencil buffer from inside fragment shader?...

Workaround for transparency and depth testing in OpenGL ES?...

True depth values using OpenGL readPixels...

OpenGL Depth Buffer Problem...

glReadPixels(Depth_Component) not working in Android OpenGL ES20...

OpenGL Depth Buffer issue on Android...

Frame Buffer Object (FBO) and Render & Depth Buffers Relation...

How to use depth testing when rendering to an offscreen buffer then onto texture...

Missing depth info after first mesh...

Strange depth/blending in OpenGL drawing models...

Android depth buffer issue: Advice for anyone experiencing problem...

Why do you need the depth buffer?...

How to get Z values from Z Buffer...

How can I draw a cube with a depth buffer in OpenGL ES 2.0?...

(iOS) OpenGL ES (2.0) Application, how to move the object in Z?...

Drawing unobscured health bars in a Java 3D scene...

OpenGL: Can I mask wholly transparent fragments from the depth-buffer?...

Using depth buffer in opengl es 2.0 iphone...

OpenGL ES depth buffer...

Accessing 32-bit Depth Buffer from fragment shader?...

Java OpenGL color material darkens when depth test is disabled...

Java OpenGL saving depth buffer...

Can StretchRect be used with DF24 or INTZ surfaces? Can DF24 or INTZ be multisampled?...