08/r2_doxygen/R2LogDepthOnlySingle_8frag_source.html

 /// \file R2LogDepthOnlySingle.frag
 /// \brief Single-instance logarithmic depth only fragment shader.

 #include "R2LogDepth.h"
 #include "R2Normals.h"
 #include "R2SurfaceTypes.h"
 #include "R2View.h"

 in      R2_vertex_data_t R2_vertex_data;
 uniform R2_view_t        R2_view;

 void
 main (void)
 {
   float depth_log = R2_logDepthEncodePartial (
     R2_vertex_data.positive_eye_z,
     R2_view.depth_coefficient);

   gl_FragDepth = depth_log;
 }
R2_logDepthEncodePartial
float R2_logDepthEncodePartial(const float z, const float depth_coefficient)
Definition: R2LogDepth.h:33

R2Normals.h
Functions for transforming normal vectors.

R2View.h
Types relating to the view.

R2SurfaceTypes.h
Types for deferred surface shading.

R2_vertex_data_t::positive_eye_z
float positive_eye_z
Positive eye-space Z position.
Definition: R2SurfaceTypes.h:17

R2_vertex_data_t
Interpolated vertex data that all deferred surface shaders will receive.
Definition: R2SurfaceTypes.h:11

R2LogDepth.h
Logarithmic depth functions.

R2_view_t::depth_coefficient
float depth_coefficient
The scene&#39;s logarithmic depth coefficient.
Definition: R2View.h:11

R2_view_t
Matrices and parameters related to the view that all surface shaders will receive.
Definition: R2View.h:9