Wizt::GeometryShader Class Reference

An OpenGL geometry shader. More...

#include </home/werner/origo/vish/ocean/GLvish/Shader.hpp>

List of all members.

Classes

• struct VerticesIn< GeometryShader::IPOINTS >
• struct VerticesIn< GeometryShader::LINES >
• struct VerticesIn< GeometryShader::LINES_ADJACENCY >
• struct VerticesIn< GeometryShader::TRIANGLES >
• struct VerticesIn< GeometryShader::TRIANGLES_ADJACENCY >

Public Types

• enum InputType {
    IPOINTS = GL_POINTS, LINES = GL_LINES, LINES_ADJACENCY = GL_LINES_ADJACENCY_EXT, TRIANGLES = GL_TRIANGLES,
    TRIANGLES_ADJACENCY = GL_TRIANGLES_ADJACENCY_EXT
  }
• enum OutputType { OPOINTS = GL_POINTS, LINE_STRIP = GL_LINE_STRIP, TRIANGLE_STRIP = GL_TRIANGLE_STRIP }

  Output type for geometry shader.
  

Public Member Functions

• GL::render_primitives render_primitive ()

  Provide the render primitive type for this geometry shader's input type, which must be compatible, e.g.
  

Static Public Member Functions

• static GL::render_primitives render_primitive (InputType)

  Provide the render primitive type for a geometry shader's input type, which must be compatible, e.g.
  

Public Attributes

• enum
  Wizt::GeometryShader::InputType Input
• int MaxVertices
• enum
  Wizt::GeometryShader::OutputType Output

---

Detailed Description

An OpenGL geometry shader.

http://developer.download.nvidia.com/opengl/specs/GL_EXT_geometry_shader4.txt

// varying inputs: 
varying in vec4 gl_FrontColorIn[gl_VerticesIn]; 
varying in vec4 gl_BackColorIn[gl_VerticesIn]; 
varying in vec4 gl_FrontSecondaryColorIn[gl_VerticesIn]; 
varying in vec4 gl_BackSecondaryColorIn[gl_VerticesIn]; 
varying in vec4 gl_TexCoordIn[gl_VerticesIn][]; // at most will be  
                                                // gl_MaxTextureCoords 
varying in float gl_FogFragCoordIn[gl_VerticesIn]; 
varying in vec4  gl_PositionIn[gl_VerticesIn]; 
varying in float gl_PointSizeIn[gl_VerticesIn]; 
varying in vec4  gl_ClipVertexIn[gl_VerticesIn]; 
 
// varying outputs:
varying out vec4 gl_FrontColor; 
varying out vec4 gl_BackColor; 
varying out vec4 gl_FrontSecondaryColor; 
varying out vec4 gl_BackSecondaryColor; 
varying out vec4 gl_TexCoord[]; // at most gl_MaxTextureCoords 
varying out float gl_FogFragCoord; 

---

Member Function Documentation

GL::render_primitives Wizt::GeometryShader::render_primitive

(

InputType

I

)

[static]

Provide the render primitive type for a geometry shader's input type, which must be compatible, e.g.

for DrawArray();

GL::render_primitives Wizt::GeometryShader::render_primitive

(

)

[inline]

Provide the render primitive type for this geometry shader's input type, which must be compatible, e.g.

for DrawArray();

---

The documentation for this class was generated from the following files:

• ocean/GLvish/Shader.hpp
• ocean/GLvish/Shader.cpp