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/* $Id: gl.h 108 2009-01-08 16:38:36Z mmmaddd $ */

      G3DViewer - 3D object viewer

      Copyright (C) 2005, 2006  Markus Dahms <mad@automagically.de>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef _GL_H
#define _GL_H

#include <g3d/types.h>

#define G3D_FLAG_GL_SPECULAR        (1L << 0)
#define G3D_FLAG_GL_SHININESS       (1L << 1)
#define G3D_FLAG_GL_ALLTWOSIDE      (1L << 2)
#define G3D_FLAG_GL_TEXTURES        (1L << 3)
#define G3D_FLAG_GL_COLORS          (1L << 4)
#define G3D_FLAG_GL_POINTS          (1L << 5)
#define G3D_FLAG_GL_COORD_AXES      (1L << 6)
#define G3D_FLAG_GL_SHADOW          (1L << 7)
#define G3D_FLAG_GL_ISOMETRIC       (1L << 8)

typedef struct _G3DGLRenderState G3DGLRenderState;

typedef struct {
      /* to be set by caller */
      gfloat zoom;
      gfloat aspect;
      gfloat bgcolor[4];
      gfloat quat[4];
      G3DMatrix shadow_matrix[16];
      G3DFloat min_y;
      guint32 norm_count;
      gfloat offx;
      gfloat offy;
      gint32 glflags;
      gboolean updated;
      gboolean initialized;
      /* can be read by caller */
      guint32 avg_msec;
      /* to be used by caller only */
      G3DGLRenderState *state;
} G3DGLRenderOptions;

void gl_set_twoside(gboolean twoside);
void gl_set_textures(gboolean textures);
void gl_load_texture(gpointer key, gpointer value, gpointer data);
void gl_draw(G3DGLRenderOptions *options, G3DModel *model);


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