gl_FragCoord z always 1

Space & Sound? Defying Physics? 1 · Why are normal maps in tangent space but not in normal space?...

You can refer to chapter 2.13 “Coordinate Transformations” of OpenGL specs, and to the fact, that...

w be representing depth information while gl_FragCoord.z is always 1.0 for all fragments? glsl th...

gl_FragCoord = gl_Position; Listing 39.1. ... In the pixel shader, the z-value is multiplied by 1...

In between 0 and 1 you get a percentage of both colors. You could implement mix yourself like ......