state.h

layout(shared)
    uniform GLUPStateBlock {
 
    bool vertex_colors_enabled;
 
    vec4  front_color;
    vec4  back_color;
 
    bool draw_mesh_enabled;
    vec4  mesh_color;
    float mesh_width;
 
    bool lighting_enabled;
    bool vertex_normals_enabled;
    bool normal_mapping_enabled;
    vec3 light_vector;
    vec3 light_half_vector;
    float specular;
 
    bool texturing_enabled;
    bool indirect_texturing_enabled;
    int  texture_mode;
    int  texture_type;
 
    float cells_shrink;
 
    bool picking_enabled;
    int   picking_mode;
    int   picking_id;
    int   base_picking_id;
 
    bool clipping_enabled;
    int   clipping_mode;
    vec4  clip_plane;
    vec4  world_clip_plane;
    vec4  clip_clip_plane;
 
    bool alpha_discard_enabled;
    float alpha_threshold;
 
    bool primitive_filtering_enabled;
 
    mat4 modelviewprojection_matrix;
    mat4 modelview_matrix;
    mat4 projection_matrix;
    mat3 normal_matrix;
    mat4 texture_matrix;
    mat4 inverse_modelviewprojection_matrix;
    mat4 inverse_modelview_matrix;
    mat4 inverse_projection_matrix;
    vec4 viewport;
 
    float point_size;
} GLUP;
 
// Note: the 1D colormap is stored in a 2D texture, because
// 1D textures are not supported by all OpenGL implementations
uniform sampler2D       texture1Dsampler;
uniform sampler2D       texture2Dsampler;
uniform sampler3D       texture3Dsampler;
 
#define GLUP_PRIMITIVE_FILTER
uniform usamplerBuffer  texturePrimitiveFiltersampler;