home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Hackers Magazine 57
/
CdHackersMagazineNr57.iso
/
Software
/
Multimedia
/
k3d-setup-0.7.11.0.exe
/
include
/
k3d
/
k3dsdk
/
render_state_gl.h
< prev
next >
Wrap
C/C++ Source or Header
|
2008-11-07
|
3KB
|
98 lines
#ifndef K3DSDK_RENDER_STATE_GL_H
#define K3DSDK_RENDER_STATE_GL_H
// K-3D
// Copyright (c) 1995-2006, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// 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
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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
/** \file
\author Tim Shead (tshead@k-3d.com)
*/
#include "gl.h"
namespace k3d
{
class icamera;
namespace gl
{
/// Used to pass (potentially) useful rendering state from the engine to the object being rendered
class render_state
{
public:
render_state(icamera& Camera) :
camera(Camera),
orthographic(false),
draw_two_sided(true)
{
}
/// Stores the camera used for drawing
icamera& camera;
/// Set to true iff the OpenGL viewing frustum used for drawing is orthographic
bool orthographic;
bool draw_two_sided;
//@{
/** Stores the OpenGL viewing frustum used for drawing (perspective or orthographic).
* Note: these are the actual values passed to glFrustum() or glOrtho() to fill the
* render window, in general they will be different from the viewing frustum defined
* by the camera for rendering. */
double gl_window_frustum_left;
double gl_window_frustum_right;
double gl_window_frustum_top;
double gl_window_frustum_bottom;
double gl_window_frustum_near;
double gl_window_frustum_far;
//@}
//@{
/** Stores an imaginary OpenGL viewing frustum that represents the viewing frustum
* defined by the camera for rendering. Note that the values may not be the same
* as those returned by the camera object. */
double gl_camera_frustum_left;
double gl_camera_frustum_right;
double gl_camera_frustum_top;
double gl_camera_frustum_bottom;
double gl_camera_frustum_near;
double gl_camera_frustum_far;
//@}
/// Stores the current OpenGL projection matrix
float gl_projection_matrix[16];
/// Stores the current OpenGL viewport
GLint gl_viewport[4];
/// Stores the selection state of the calling node
double node_selection;
/// Stores the selection state of the parent of the calling node
double parent_selection;
};
} // namespace gl
} // namespace k3d
#endif // !K3DSDK_RENDER_STATE_GL_H