Top "Depth-testing" questions

a technique used in 3D graphics to ensure that only the objects closest to the viewer are drawn in a scene.

Early Z-test / depth-test in DirectX 11

As a DirectX noob i'm trying to wrap my head around depth buffers and specifically how pixel shaders are called …

optimization directx directx-11 depth-buffer depth-testing
Meaning and usage of the factor parameter in glPolygonOffset

I am having difficulty understanding the meaning of the first parameter in glPolygonOffset function. void glPolygonOffset(GLfloat factor, GLfloat units); …

c opengl graphics depth-buffer depth-testing
OpenGl alpha test - How to replace AlphaFunc deprecated?

I'm trying to draw sphere with alpha, but I have a problem with my Z-buffer. Some pixels are transparent but …

opengl alpha depth-testing