ogl_shaders.c File Reference

OpenGL shaders for the atomes program. More...

#include "global.h"

Include dependency graph for ogl_shaders.c:

Go to the source code of this file.

Macros
#define	GLSL(src)   "#version 150\n" #src

Variables
const GLchar *	point_vertex
const GLchar *	point_color
const GLchar *	line_vertex
const GLchar *	axis_line_vertex
const GLchar *	line_color
const GLchar *	line_stipple
const GLchar *	angle_vertex
const GLchar *	angle_stipple
const GLchar *	line_stipple_color
const GLchar *	angle_color
const GLchar *	full_vertex
const GLchar *	full_color
const GLchar *	sphere_vertex
const GLchar *	axis_sphere_vertex
const GLchar *	gs_cylinder_vertex
const GLchar *	cylinder_vertex
const GLchar *	cone_vertex
const GLchar *	cap_vertex
const GLchar *	gs_cylinder_geom
const GLchar *	axis_cylinder_geom
const GLchar *	polyedron_vertex
const GLchar *	polyedron_geom
const GLchar *	polyedron_color
const GLchar *	pick_color
const GLchar *	string_vertex
const GLchar *	angstrom_vertex
const GLchar *	degree_vertex
const GLchar *	string_color
const GLchar *	string_color_2d

Detailed Description

OpenGL shaders for the atomes program.

Author

Sébastien Le Roux sebas.nosp@m.tien.nosp@m..lero.nosp@m.ux@i.nosp@m.pcms..nosp@m.unis.nosp@m.tra.f.nosp@m.r

Definition in file ogl_shaders.c.

Macro Definition Documentation

GLSL

#define GLSL

(

src

)

"#version 150\n" #src

Definition at line 41 of file ogl_shaders.c.

Variable Documentation

angle_color

const GLchar* angle_color

Initial value:

= GLSL(
  uniform int factor;
  uniform uint pattern;
  in float line_pos;
  in vec4 v_color;
 
  out vec4 fragment_color;
  void main()
  {
    fragment_color = v_color;
    if (line_pos == -1.0) discard;
  }
)

Definition at line 343 of file ogl_shaders.c.

angle_stipple

const GLchar* angle_stipple

Definition at line 154 of file ogl_shaders.c.

angle_vertex

const GLchar* angle_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  in vec3 vert;
  in vec4 vertColor;
 
  out vec4 vert_color;
  void main()
  {
    vert_color = vertColor;
    gl_Position = vec4(vert, 1.0);
  }
)

Definition at line 141 of file ogl_shaders.c.

angstrom_vertex

const GLchar* angstrom_vertex

Definition at line 1426 of file ogl_shaders.c.

axis_cylinder_geom

const GLchar * axis_cylinder_geom

Definition at line 939 of file ogl_shaders.c.

axis_line_vertex

const GLchar* axis_line_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  uniform vec4 vertColor;
  in vec3 vert;
 
  out vec4 vert_color;
  void main()
  {
    vert_color = vertColor;
    gl_Position = mvp * vec4(vert, 1.0);
  }
)

Definition at line 93 of file ogl_shaders.c.

axis_sphere_vertex

const GLchar* axis_sphere_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  uniform mat4 m_view;
  uniform vec4 vertColor;
 
  in vec3 vert;
  in vec3 vertNormal;
 
  out vec4 surfaceColor;
  out vec3 surfacePosition;
  out vec3 surfaceNormal;
  out vec3 surfaceToCamera;
  void main ()
  {
    surfaceColor = vertColor;
    vec4 pos = vec4(vert, 1.0);
    surfacePosition = vec3(m_view * pos);
    surfaceNormal   = mat3(m_view) * vertNormal;
    surfaceToCamera = normalize (- surfacePosition);
    gl_PointSize = 1.0;
    gl_Position = mvp * pos;
  }
)

Definition at line 711 of file ogl_shaders.c.

cap_vertex

const GLchar* cap_vertex

Definition at line 830 of file ogl_shaders.c.

cone_vertex

const GLchar* cone_vertex

Definition at line 788 of file ogl_shaders.c.

cylinder_vertex

const GLchar* cylinder_vertex

Definition at line 748 of file ogl_shaders.c.

degree_vertex

const GLchar* degree_vertex

Definition at line 1549 of file ogl_shaders.c.

full_color

const GLchar* full_color

Definition at line 381 of file ogl_shaders.c.

full_vertex

const GLchar* full_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  uniform mat4 m_view;
  in vec3 vert;
  in vec3 vertNormal;
  in vec4 vertColor;
 
  out vec4 surfaceColor;
  out vec3 surfacePosition;
  out vec3 surfaceNormal;
  out vec3 surfaceToCamera;
  void main ()
  {
    surfaceColor    = vertColor;
 
    surfacePosition = vec3(m_view * vec4(vert, 1.0f));
    surfaceNormal   = mat3(m_view) * vertNormal;
    surfaceToCamera = normalize (- surfacePosition);
    gl_Position     = mvp * vec4(vert, 1.0f);
  }
)

Definition at line 359 of file ogl_shaders.c.

gs_cylinder_geom

const GLchar* gs_cylinder_geom

Definition at line 869 of file ogl_shaders.c.

gs_cylinder_vertex

const GLchar* gs_cylinder_vertex

Initial value:

= GLSL(
  in vec3 vert;
  in vec4 vertColor;
  out vec4 vertCol;
  void main ()
  {
    vertCol  = vertColor;
    gl_Position = vec4(vert, 1.0);
  }
)

Definition at line 737 of file ogl_shaders.c.

line_color

const GLchar* line_color

Initial value:

= GLSL(
  in vec4 vert_color;
  out vec4 fragment_color;
  void main()
  {
    fragment_color = vert_color;
  }
)

Definition at line 106 of file ogl_shaders.c.

line_stipple

const GLchar* line_stipple

Initial value:

= GLSL(
  layout(lines) in;
  layout(line_strip, max_vertices=2) out;
  in vec4 vert_color[];
  uniform float depth;
 
  out float line_pos;
  out vec4 v_color;
  void main()
  {
    vec2 win_pos_0 = gl_in[0].gl_Position.xy;
    vec2 win_pos_1 = gl_in[1].gl_Position.xy;
    gl_Position = gl_in[0].gl_Position;
    line_pos = 0.0;
    v_color = vert_color[0];
    EmitVertex();
    gl_Position = gl_in[1].gl_Position;
    float psize = 3.0; 
    line_pos = psize * length(win_pos_1 - win_pos_0);
    line_pos *= depth;
    v_color = vert_color[1];
    EmitVertex();
    EndPrimitive();
  }
)

Definition at line 115 of file ogl_shaders.c.

line_stipple_color

const GLchar* line_stipple_color

Initial value:

= GLSL(
  uniform int factor;
  uniform uint pattern;
  in float line_pos;
  in vec4 v_color;
 
  out vec4 fragment_color;
  void main()
  {
    fragment_color = v_color;
    if (line_pos == -1.0) discard;
    uint bit = uint(round(line_pos/factor)) % 16U;
    if ((pattern & (1U<<bit)) == 0U) discard;
  }
)

Definition at line 327 of file ogl_shaders.c.

line_vertex

const GLchar* line_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  in vec3 vert;
  in vec4 vertColor;
 
  out vec4 vert_color;
  void main()
  {
    vert_color = vertColor;
    gl_Position = mvp * vec4(vert, 1.0);
  }
)

Definition at line 80 of file ogl_shaders.c.

pick_color

const GLchar* pick_color

Initial value:

= GLSL(
  in vec4 vert_color;
  out uvec4 fragment_color;
  void main()
  {
    fragment_color = uvec4(vert_color);
  }
)

Definition at line 1365 of file ogl_shaders.c.

point_color

const GLchar* point_color

Initial value:

= GLSL(
  in vec4 vert_color;
  out vec4 fragment_color;
  void main()
  {
    
      fragment_color = vert_color;
    
  }
)

Definition at line 59 of file ogl_shaders.c.

point_vertex

const GLchar* point_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  in vec3 vert;
  in vec3 offset;
  in float size;
  in vec4 vertColor;
 
  out vec4 vert_color;
  void main()
  {
    vert_color = vertColor;
    gl_PointSize = size;
    gl_Position = mvp * vec4(vert + offset, 1.0);
  }
)

Definition at line 43 of file ogl_shaders.c.

polyedron_color

const GLchar* polyedron_color

Definition at line 1060 of file ogl_shaders.c.

polyedron_geom

const GLchar* polyedron_geom

Definition at line 1017 of file ogl_shaders.c.

polyedron_vertex

const GLchar* polyedron_vertex

Initial value:

= GLSL(
  in vec4 vert;
  in vec4 vertColor;
 
  out vec4 surfaceColor;
  void main ()
  {
    surfaceColor = vertColor;
    gl_Position = vert;
  }
)

Definition at line 1005 of file ogl_shaders.c.

sphere_vertex

const GLchar* sphere_vertex

Initial value:

= GLSL(
  uniform mat4 mvp;
  uniform mat4 m_view;
 
  in vec3 vert;
  in vec3 offset;
  in vec4 vertColor;
  in float radius;
 
  out vec4 surfaceColor;
  out vec3 surfacePosition;
  out vec3 surfaceNormal;
  out vec3 surfaceToCamera;
  void main ()
  {
    surfaceColor    = vertColor;
    vec4 pos = vec4 (radius*vert + offset, 1.0);
    surfacePosition = vec3(m_view * pos);
    surfaceNormal   = mat3(m_view) * vert;
    surfaceToCamera = normalize (- surfacePosition);
    gl_PointSize = 1.0;
    gl_Position = mvp * pos;
  }
)

Definition at line 686 of file ogl_shaders.c.

string_color

const GLchar* string_color

Initial value:

= GLSL(
  uniform sampler2DRect tex;
  uniform vec4 vert_color;
  uniform vec4 viewp;
  uniform int tilted;
  in vec2 text_coords;
 
  out vec4 fragment_color;
  void main()
  {
    vec2 coords = text_coords;
    fragment_color = vert_color * vec4(1.0, 1.0, 1.0, texture (tex, text_coords).r);
  }
)

Definition at line 1715 of file ogl_shaders.c.

string_color_2d

const GLchar* string_color_2d

Initial value:

= GLSL(
  uniform sampler2DRect tex;
  uniform vec4 vert_color;
  in vec2 text_coords;
 
  out vec4 fragment_color;
  void main()
  {
    vec4 sampled = vec4(1.0, 1.0, 1.0, texture (tex, text_coords).r);
    fragment_color = vert_color * sampled;
  }
)

Definition at line 1730 of file ogl_shaders.c.

string_vertex

const GLchar* string_vertex

Definition at line 1374 of file ogl_shaders.c.