NAME

       OpenGL::Shader::Common - base class for use with OpenGL::Shader

SYNOPSIS

         # Instantiate a shader
         use OpenGL::Shader;
         my $shdr = new OpenGL::Shader();

DESCRIPTION

       This module provides a base class for OpenGL shader types.  Example usage:

         use OpenGL::Shader;
         my $shdr = new OpenGL::Shader();

         ##########
         # Methods defined in this module:

         # Get shader type.
         my $type = $shdr->GetType();

         # Get shader version
         my $ver = $shdr->GetVersion();

         # Get shader description
         my $desc = $shdr->GetDescription();

         # Load shader files.
         my $stat = $shdr->LoadFiles($fragment_file,$vertex_file);

         # Get shader GL constants.
         my $fragment_const = $shdr->GetFragmentConstant();
         my $vertex_const = $shdr->GetVertexConstant();

         # Get objects.
         my $fragment_shader = $shdr->GetFragmentShader();
         my $vertex_shader = $shdr->GetVertexShader();
         my $program = $shdr->GetProgram();

         ##########
         # Methods defined in subclasses:

         # Load shader text.
         $shdr->Load($fragment,$vertex);

         # Enable shader.
         $shdr->Enable();

         # Set Vertex Attribute
         my $attr_id = $self->MapAttr($attr_name);
         glVertexAttrib4fARB($attr_id,$x,$y,$z,$w);

         # Get Global Variable ID (uniform/env)
         my $var_id = $self->Map($var_name);

         # Set float4 vector variable
         $stat = $self->SetVector($var_name,$x,$y,$z,$w);

         # Set float4x4 matrix via OGA
         $stat = $self->SetMatrix($var_name,$oga);

         # Disable shader.
         $shdr->Disable();

         # Destructor.
         $shdr->DESTROY();

AUTHOR

       Bob "grafman" Free - grafman@graphcomp.com.  Copyright 2007 Graphcomp - ALL RIGHTS RESERVED

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl
       itself.

perl v5.40.1                                       2025-03-21                        OpenGL::Shader::Common(3pm)