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)

Variables
const GLchar *	point_vertex
const GLchar *	point_color
const GLchar *	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 *	sphere_vertex
const GLchar *	cylinder_vertex
const GLchar *	cone_vertex
const GLchar *	cap_vertex
const GLchar *	gs_cylinder_geom
const GLchar *	string_vertex
const GLchar *	full_color
const GLchar *	sphere_vertex_ray
const GLchar *	cylinder_vertex_ray
const GLchar *	cone_vertex_ray
const GLchar *	cap_vertex_ray
const GLchar *	full_color_ray
const GLchar *	angstrom_vertex
const GLchar *	degree_vertex
const GLchar *	string_color
const GLchar *	string_color_2d
const GLchar *	background_vertex
const GLchar *	background_linear
const GLchar *	background_circular

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

)

Value:

"#version 150\n" #src

Definition at line 48 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 330 of file ogl_shaders.c.

angle_stipple

const GLchar* angle_stipple

Definition at line 141 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 128 of file ogl_shaders.c.

angstrom_vertex

const GLchar* angstrom_vertex

Definition at line 1834 of file ogl_shaders.c.

background_circular

const GLchar* background_circular

Definition at line 2200 of file ogl_shaders.c.

background_linear

const GLchar* background_linear

Definition at line 2164 of file ogl_shaders.c.

background_vertex

const GLchar* background_vertex

Initial value:

                                = GLSL(
  in vec2 vert;
 
  out vec2 fragment_coord;
  void main ()
  {
     fragment_coord = 0.5*vert + 0.5;
     gl_Position = vec4(vert, 0.0, 1.0);
  }
)

Definition at line 2153 of file ogl_shaders.c.

cap_vertex

const GLchar* cap_vertex

Definition at line 479 of file ogl_shaders.c.

cap_vertex_ray

const GLchar* cap_vertex_ray

Definition at line 1204 of file ogl_shaders.c.

cone_vertex

const GLchar* cone_vertex

Definition at line 437 of file ogl_shaders.c.

cone_vertex_ray

const GLchar* cone_vertex_ray

Definition at line 1122 of file ogl_shaders.c.

cylinder_vertex

const GLchar* cylinder_vertex

Definition at line 397 of file ogl_shaders.c.

cylinder_vertex_ray

const GLchar* cylinder_vertex_ray

Definition at line 1034 of file ogl_shaders.c.

degree_vertex

const GLchar* degree_vertex

Definition at line 1957 of file ogl_shaders.c.

full_color

const GLchar* full_color

Definition at line 636 of file ogl_shaders.c.

full_color_ray

const GLchar* full_color_ray

Definition at line 1264 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 346 of file ogl_shaders.c.

gs_cylinder_geom

const GLchar* gs_cylinder_geom

Definition at line 518 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 93 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 102 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 314 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.

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 66 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 50 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 370 of file ogl_shaders.c.

sphere_vertex_ray

const GLchar* sphere_vertex_ray

Definition at line 980 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;
    vec4 color = vert_color * vec4(1.0, 1.0, 1.0, texture (tex, text_coords).r);
    fragment_color = vec4(color.rgb * color.a, color.a);
  }
)

Definition at line 2123 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);
    vec4 color = vert_color * sampled;
    fragment_color = vec4(color.rgb * color.a, color.a);
  }
)

Definition at line 2139 of file ogl_shaders.c.

string_vertex

const GLchar* string_vertex

Definition at line 584 of file ogl_shaders.c.