changeset 7874:e3a502930e2a

eliminate src/graphics subdirectory
author John W. Eaton <jwe@octave.org>
date Thu, 05 Jun 2008 18:00:37 -0400
parents 02b590f46a29
children bff8dbc1be11
files ChangeLog Makeconf.in configure.in src/ChangeLog src/DLD-FUNCTIONS/fltk_backend.cc src/Makefile.in src/gl-render.cc src/gl-render.h src/graphics/ChangeLog src/graphics/Makefile.in src/graphics/Makerules.in src/graphics/fltk_backend/Makefile.in src/graphics/fltk_backend/fltk_backend.cc src/graphics/opengl/Makefile.in src/graphics/opengl/gl-render.cc src/graphics/opengl/gl-render.h
diffstat 13 files changed, 261 insertions(+), 621 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2008-06-05  John W. Eaton  <jwe@octave.org>
+
+	* configure.in: Add FT2_CFLAGS to XTRA_CXXFLAGS, not CXXFLAGS.
+	Don't add FT2_LIBS to LIBS.
+	Don't generate src/graphics/Makefile, src/graphics/Makerules,
+	src/graphics/opengl/Makefile, or src/graphics/fltk_backend/Makefile.
+
+	* Makeconf.in (FT2_LIBS, GRAPHICS_LIBS): Substitute here.
+
 2008-06-04  Shai Ayal  <shaiay@users.sourceforge.net>
 
 	* configure.in: Use AC_TRY_LINK in FTGL test.
--- a/Makeconf.in
+++ b/Makeconf.in
@@ -215,6 +215,8 @@
 LIBREADLINE = @LIBREADLINE@
 TERMLIBS = @TERMLIBS@
 
+FT2_LIBS = @FT2_LIBS@
+GRAPHICS_LIBS = @GRAPHICS_LIBS@
 QHULL_LIBS = @QHULL_LIBS@
 REGEX_LIBS = @REGEX_LIBS@
 BLAS_LIBS = @BLAS_LIBS@
--- a/configure.in
+++ b/configure.in
@@ -664,11 +664,12 @@
           OPENGL_LIBS="$OPENGL_LIBS $FT2_LIBS -lftgl"
 	  LIBS="$save_LIBS"
           AC_DEFINE(HAVE_FTGL, 1, [Define to 1 if FTGL is present])
-	  AC_MSG_RESULT(yes)],[
+	  AC_MSG_RESULT(yes)
+	  XTRA_CXXFLAGS="$XTRA_CXXFLAGS $FT2_CFLAGS"],[
+	  AC_MSG_RESULT(no)])],[
+          warn_graphics="FTGL library not found. Native renderer will not have on-screen text"])
 	  LIBS="$save_LIBS"
 	  CXXFLAGS="$save_CXXFLAGS"
-	  AC_MSG_RESULT(no)])],[
-          warn_graphics="FTGL library not found. Native renderer will not have on-screen text"])
     AC_LANG_POP(C++)
   fi
 fi
@@ -1961,9 +1962,7 @@
   libcruft/qrupdate/Makefile
   libcruft/ranlib/Makefile libcruft/slatec-fn/Makefile
   libcruft/slatec-err/Makefile libcruft/villad/Makefile
-  libcruft/blas-xtra/Makefile libcruft/lapack-xtra/Makefile
-  src/graphics/Makefile src/graphics/Makerules
-  src/graphics/opengl/Makefile src/graphics/fltk_backend/Makefile])
+  libcruft/blas-xtra/Makefile libcruft/lapack-xtra/Makefile])
 AC_OUTPUT
 
 AC_CONFIG_COMMANDS([default-1],[[chmod +x install-octave]],[[]])
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,21 @@
 2008-06-05  John W. Eaton  <jwe@octave.org>
 
+	* gl-render.cc (opengl_renderer::draw): Correctly avoid shadow
+	warnings from gcc for xmin, xmax, ymin, ymax, zmin, and zmax.
+
+	* graphics/ChangeLog, graphics/Makefile.in, graphics/Makerules.in,
+	graphics/fltk_backend/Makefile.in, graphics/opengl/Makefile.in:
+	Delete.
+
+	* gl-render.cc, gl-render.h: Move here from src/graphics/opengl.
+	* Makefile.in: Add them to the appropriate lists.
+	(octave$(EXEEXT)): Also link with $(OPENGL_LIBS)
+
+	* fltk_backend.cc: Move here from src/graphics/fltk_backend.
+	* Makefile.in (DLD_XSRC): Add it to the list
+	(fltk_backend.oct): Include special rules for linking with
+	$(GRAPHICS_LIBS) and $(FT2_LIBS).
+
 	* dynamic-ld.cc (octave_dynamic_loader::mex_mangler,
 	octave_dynamic_loader::mex_uscore_mangler,
 	octave_dynamic_loader::mex_f77_mangler): New functions.
@@ -12,6 +28,192 @@
 	* graphics.cc (properties::update_normals): Style fixes.
 	* graphics.h.in: Style fixes.
 
+	ChangeLog entries for gl-render.h, gl-render.cc, and
+	fltk_backend.cc before the move:
+
+	2008-06-05  John W. Eaton  <jwe@octave.org>
+
+	* opengl/gl-render.cc (xmin): New static function.
+
+	* opengl/gl-render.h (opengl_renderer): Style fixes.
+	* fltk_backend/fltk_backend.cc: Style fixes.
+
+	2008-04-26  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.h (opengl_renderer::draw(hggroup)): New method.
+	* opengl/gl-render.cc (opengl_renderer::draw(hggroup)): Likewise.
+	(opengl_renderer::draw(graphics_object)): Call it.
+
+	2008-03-17  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (plot_window::resize,
+	plot_window::draw): make canvas the size of figure.position
+
+	2008-03-09  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (plot_window::handle): add zoom
+	stack
+
+	2008-03-06  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (plot_window::handle): Add handling
+	of the 'a' and 'g' keys
+	(plot_window: toggle_grid): New helper function
+	(plot_window): Add new togglegrid button
+
+	2008-03-01  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (OpenGL_fltk::draw_overlay,
+	OpenGL_fltk::zoom, OpenGL_fltk::set_zoom_box): Added to support
+	zoom box
+	(plot_window::handle): Added zoom box code, B-3 now does autoscale
+	(plot_window::axis_auto): New utility function to call axis("auto")
+	(plot_window::button_press): "A" button now does autoscale
+
+	* opengl/gl-render.cc (make_marker_list): Add the "+x*.^v><"
+	markers
+
+	2008-02-27  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (opengl_renderer::draw(patch),
+	opengl_renderer::draw(surface)): Adapt to type change of facealpha and
+	edgealpha, using double_radio_property class.
+
+	2008-02-26  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.h: Make sure windows.h is included before OpenGL
+	headers.
+	* fltk_backend/Makefile.in (FLTK_EXTRA_CXXFLAGS): Use $(srcdir) for
+	includesion of OpenGL renderer headers.
+	(Makeconf): Move inclusion of Makeconf later on, to avoid freezing
+	MinGW make.
+
+	* fltk_backend/Makefile.in (GRAPHICS_CFLAGS): New substituted
+	variable.
+
+	2008-02-25  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (class plot_window): Many changes
+	to use figure::properties instead of figure handle to reference
+	the figure
+	(class figure_manager): ditto
+	(__fltk_redraw__): moved most of functionality into the
+	figure_manager class
+	(plot_window::pixel2pos): Modified to use axes::pixel2coord
+	(plot_window::pixel2staus): Modified to use pixel2pos
+	(plot_window::handle): Added zoom with mouse 
+
+	2008-02-24  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (OpenGL_fltk::Draw): removed double
+	buffer switch
+	(OpenGL_fltk::setup_viewport): removed call to glOrtho --
+	gl-render takes care of all the transformations
+
+	2008-02-23  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/fltk_backend.cc (plot_window::mark_modifed): mark
+	the whole window as damaged (otherwise changing figure.postion
+	does not have immediate effect)
+	(plot_window::draw): New function, checks for window size 
+	(__fltk_maxtime__): New DEFUN to allow tweaking of fltk timeout
+	(__fltk_redraw__): Use fltk_maxtime as timeout
+
+	2008-02-21  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (opengl_renderer::patch_tesselator::combine):
+	Protect against NULL vertex data.
+
+	* opengl/gl-render.cc (opengl_renderer::draw(patch)): Add marker
+	rendering of patch objects.
+
+	2008-02-21  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* opengl/gl-render.cc: remove OpenGL includes
+	* opengl/gl-render.h: add OpenGL includes
+	* fltk_backend/fltk_backend.cc: remove OpenGL includes
+	(__fltk_redraw__): put figure handle into the figure's
+	__plot_stream__ property for later
+	(fltk_backend::close_figure): use argument as figure handle to
+	close
+
+	2008-02-20  Shai Ayal  <shaiay@users.sourceforge.net>
+
+	* fltk_backend/Makefile.in: initial import
+
+	* fltk_backend/fltk_backend.cc: initial import
+	
+
+	2008-02-20  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.h (opengl_renderer::draw(patch)): New method to
+	render patch objects.
+	(class opengl_renderer::patch_tesselator): Forward declaration.
+	* opengl/gl-render.cc (opengl_texture::create): Use RGB data format
+	instead of RGBA.
+	(class opengl_tesselator): New classes to abstract GLU tessellation
+	process.
+	(class opengl_renderer::patch_tesselator): New class to render opaque
+	patch objects.
+	(class vertex_data): New class to hold vertex data during tessellation
+	of patch objects.
+	(opengl_renderer::draw(patch)): New method to render patch objects (no
+	transparency, no border, no marker yet).
+	(opengl_renderer::draw(graphics_object)): Dispatch to it.
+
+	* opengl/gl-render.cc (opengl_renderer::draw(patch)): Use patch color
+	data and support face/vertex single color specification.
+
+	* opengl/gl-render.cc (opengl_tesselator::begin_polygon): Set
+	tessellation property also for non-filled polygons.
+	(opengl_renderer::patch_tesselator::vertex): Protect against empty
+	color matrices.
+	(opengl_renderer::draw(patch)): Render patch border (no transparency
+	yet).
+
+	2008-02-19  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (opengl_texture::texture_rep::tex_coord,
+	opengl_texture::tex_coord): New wrapper around glTexCoord2d.
+	(opengl_renderer::draw(surface)): Use it for texturemap
+	implementation.
+	(opengl_renderer::draw(surface)): Fix indexing bug when creating clip
+	matrix.
+	(opengl_texture::operator=): Add assignment operator.
+	(opengl_texture::create): New static opengl_texture creator.
+	(opengl_texture::is_valid): New accessor.
+
+	2008-02-18  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (class opengl_texture): New class to wrap
+	texture operations in OpenGL.
+
+	2008-02-17  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (opengl_renderer::draw(surface)): Set material
+	color when rendering surface facets.
+
+	* opengl/gl-render.cc (opengl_renderer::draw(surface)): Add rendering
+	of mesh and markers.
+
+	2008-02-16  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.cc (opengl_renderer::draw(figure)): Initialize the
+	OpenGL context correctly.
+	(opengl_renderer::draw(surface)): Add missing glEnd call.
+
+	2008-02-14  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* opengl/gl-render.h opengl/gl-render.cc: Add rendering
+	interface for surface objects (actual implement still
+	missing).
+
+	2008-02-14  Michael Goffioul  <michael.goffioul@gmail.com>
+
+	* Makefile.in Makerules.in: Initial import
+	* opengl/Makefile.in: Likewise.
+	* opengl/gl-render.h opengl/gl-render.cc: Likewise.
+
 2008-06-04  Shai Ayal  <shaiay@users.sourceforge.net>
 
 	* graphics.cc (axes::properties::set_defaults): Preserve position
rename from src/graphics/fltk_backend/fltk_backend.cc
rename to src/DLD-FUNCTIONS/fltk_backend.cc
--- a/src/graphics/fltk_backend/fltk_backend.cc
+++ b/src/DLD-FUNCTIONS/fltk_backend.cc
@@ -1,6 +1,6 @@
 /*
 
-Copyright (C) 2007 Shai Ayal
+Copyright (C) 2007, 2008 Shai Ayal
 
 This file is part of Octave.
 
@@ -20,15 +20,26 @@
 
 */
 
+/*
+
+To initialize:
+
+  input_event_hook ("__fltk_redraw__");
+  __init_fltk__ ();
+  set (gcf (), "__backend__", "fltk");
+  plot (randn (1e3, 1));
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <map>
 #include <set>
 #include <sstream>
 #include <iostream>
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 #include "gl-render.h"
 
 #include <FL/Fl.H>
@@ -793,15 +804,8 @@
   return retval;	
 }
 
-/* to init
-autoload("__init_fltk__",[pwd(),"/fltk_backend.oct"])
-autoload("__remove_fltk__",[pwd(),"/fltk_backend.oct"])
-autoload("__fltk_redraw__",[pwd(),"/fltk_backend.oct"])
-autoload("__fltk_maxtime__",[pwd(),"/fltk_backend.oct"])
-input_event_hook ("__fltk_redraw__");
-__init_fltk__ ();
-set(gcf(),"__backend__","fltk")
-plot(randn(1e3,1));
-
-
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
 */
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -65,7 +65,8 @@
 DLD_XSRC := amd.cc balance.cc besselj.cc betainc.cc bsxfun.cc cellfun.cc \
 	chol.cc ccolamd.cc colamd.cc colloc.cc conv2.cc convhulln.cc daspk.cc \
 	dasrt.cc dassl.cc det.cc dispatch.cc dlmread.cc dmperm.cc eig.cc \
-	expm.cc fft.cc fft2.cc fftn.cc fftw.cc filter.cc find.cc fsolve.cc \
+	expm.cc fft.cc fft2.cc fftn.cc fftw.cc filter.cc find.cc \
+	fltk_backend.cc fsolve.cc \
 	gammainc.cc gcd.cc getgrent.cc getpwent.cc getrusage.cc \
 	givens.cc hess.cc hex2num.cc inv.cc kron.cc lookup.cc lsode.cc \
 	lu.cc luinc.cc matrix_type.cc max.cc md5sum.cc pinv.cc qr.cc \
@@ -117,8 +118,8 @@
 
 INCLUDES := Cell.h base-list.h builtins.h c-file-ptr-stream.h \
 	comment-list.h debug.h defun-dld.h defun-int.h defun.h \
-	dirfns.h dynamic-ld.h error.h file-io.h gripes.h help.h \
-	input.h lex.h load-path.h load-save.h ls-hdf5.h \
+	dirfns.h dynamic-ld.h error.h file-io.h gl-render.h \
+	gripes.h help.h input.h lex.h load-path.h load-save.h ls-hdf5.h \
 	ls-mat-ascii.h ls-mat4.h ls-mat5.h ls-oct-ascii.h \
 	ls-oct-binary.h ls-utils.h mex.h mexproto.h oct-errno.h \
 	oct-fstrm.h oct-hist.h oct-iostrm.h oct-map.h oct-obj.h \
@@ -196,9 +197,9 @@
 
 DIST_SRC := Cell.cc bitfcns.cc c-file-ptr-stream.cc comment-list.cc \
 	cutils.c data.cc debug.cc defaults.cc defun.cc dirfns.cc \
-	dynamic-ld.cc error.cc file-io.cc graphics.cc gripes.cc \
-	help.cc input.cc lex.l load-path.cc load-save.cc ls-hdf5.cc \
-	ls-mat-ascii.cc ls-mat4.cc ls-mat5.cc ls-oct-ascii.cc \
+	dynamic-ld.cc error.cc file-io.cc gl-render.cc graphics.cc \
+	gripes.cc help.cc input.cc lex.l load-path.cc load-save.cc \
+	ls-hdf5.cc ls-mat-ascii.cc ls-mat4.cc ls-mat5.cc ls-oct-ascii.cc \
 	ls-oct-binary.cc ls-utils.cc main.c mappers.cc matherr.c \
 	mex.cc oct-fstrm.cc oct-hist.cc oct-iostrm.cc oct-map.cc \
 	oct-obj.cc oct-prcstrm.cc oct-procbuf.cc oct-stream.cc \
@@ -348,7 +349,7 @@
 	$(OCTAVE_LIBS) \
 	$(LEXLIB) $(UMFPACK_LIBS) $(AMD_LIBS) $(CAMD_LIBS) $(COLAMD_LIBS) \
 	$(CHOLMOD_LIBS) $(CCOLAMD_LIBS) $(CXSPARSE_LIBS) $(BLAS_LIBS) \
-	$(FFTW_LIBS) $(LIBS) $(FLIBS)
+	$(FFTW_LIBS) $(OPENGL_LIBS) $(LIBS) $(FLIBS)
 
 stmp-pic: pic
 	@if [ -f stmp-pic ]; then \
@@ -633,6 +634,8 @@
 	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(CURL_LIBS)
     __glpk__.oct : pic/__glpk__.o octave$(EXEEXT)
 	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(GLPK_LIBS)
+    fltk_backend.oct : pic/fltk_backend.o octave$(EXEEXT)
+	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(GRAPHICS_LIBS) $(FT2_LIBS)
   else
     convhulln.oct : convhulln.o octave$(EXEEXT)
 	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(QHULL_LIBS)
@@ -646,6 +649,8 @@
 	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(CURL_LIBS)
     __glpk__.oct : __glpk__.o octave$(EXEEXT)
 	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(GLPK_LIBS)
+    fltk_backend.oct : fltk_backend.o octave$(EXEEXT)
+	  $(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) $(GRAPHICS_LIBS) $(FT2_LIBS)
   endif
 endif
 
rename from src/graphics/opengl/gl-render.cc
rename to src/gl-render.cc
--- a/src/graphics/opengl/gl-render.cc
+++ b/src/gl-render.cc
@@ -1010,7 +1010,7 @@
 	  xlabel_props.set_verticalalignment (xstate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
 
           double angle = 0;
-          ColumnVector p = graphics_xform::xform_vector ((xmin+xmax)/2, yPlaneN, zPlane);
+          ColumnVector p = graphics_xform::xform_vector ((x_min+x_max)/2, yPlaneN, zPlane);
 
           if (tick_along_z)
             p(2) += (signum(zPlane-zPlaneN)*fz*xtickoffset);
@@ -1197,7 +1197,7 @@
 	  ylabel_props.set_verticalalignment (ystate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
 
           double angle = 0;
-          ColumnVector p = graphics_xform::xform_vector (xPlaneN, (ymin+ymax)/2, zPlane);
+          ColumnVector p = graphics_xform::xform_vector (xPlaneN, (y_min+y_max)/2, zPlane);
 
           if (tick_along_z)
             p(2) += (signum(zPlane-zPlaneN)*fz*ytickoffset);
@@ -1447,7 +1447,7 @@
 
           if (xySym)
             {
-              p = graphics_xform::xform_vector (xPlaneN, yPlane, (zmin+zmax)/2);
+              p = graphics_xform::xform_vector (xPlaneN, yPlane, (z_min+z_max)/2);
               if (xisinf (fy))
                 p(0) += (signum(xPlaneN-xPlane)*fx*ztickoffset);
               else
@@ -1455,7 +1455,7 @@
             }
           else
             {
-              p = graphics_xform::xform_vector (xPlane, yPlaneN, (zmin+zmax)/2);
+              p = graphics_xform::xform_vector (xPlane, yPlaneN, (z_min+z_max)/2);
               if (xisinf (fx))
                 p(1) += (signum(yPlaneN-yPlane)*fy*ztickoffset);
               else
@@ -1506,7 +1506,7 @@
       title_props.set_position (p.extract_n(0, 3).transpose ());
     }
 
-  set_clipbox (xmin, xmax, ymin, ymax, zmin, zmax);
+  set_clipbox (x_min, x_max, y_min, y_max, z_min, z_max);
 
   // Children
 
@@ -2775,3 +2775,9 @@
 
   return ID;
 }
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
rename from src/graphics/opengl/gl-render.h
rename to src/gl-render.h
deleted file mode 100644
--- a/src/graphics/ChangeLog
+++ /dev/null
@@ -1,182 +0,0 @@
-2008-06-05  John W. Eaton  <jwe@octave.org>
-
-	* opengl/gl-render.cc (xmin): New static function.
-
-	* opengl/gl-render.h (opengl_renderer): Style fixes.
-	* fltk_backend/fltk_backend.cc: Style fixes.
-
-2008-04-26  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.h (opengl_renderer::draw(hggroup)): New method.
-	* opengl/gl-render.cc (opengl_renderer::draw(hggroup)): Likewise.
-	(opengl_renderer::draw(graphics_object)): Call it.
-
-2008-03-17  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (plot_window::resize,
-	plot_window::draw): make canvas the size of figure.position
-
-2008-03-09  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (plot_window::handle): add zoom
-	stack
-
-2008-03-06  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (plot_window::handle): Add handling
-	of the 'a' and 'g' keys
-	(plot_window: toggle_grid): New helper function
-	(plot_window): Add new togglegrid button
-
-2008-03-01  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (OpenGL_fltk::draw_overlay,
-	OpenGL_fltk::zoom, OpenGL_fltk::set_zoom_box): Added to support
-	zoom box
-	(plot_window::handle): Added zoom box code, B-3 now does autoscale
-	(plot_window::axis_auto): New utility function to call axis("auto")
-	(plot_window::button_press): "A" button now does autoscale
-
-	* opengl/gl-render.cc (make_marker_list): Add the "+x*.^v><"
-	markers
-
-2008-02-27  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (opengl_renderer::draw(patch),
-	opengl_renderer::draw(surface)): Adapt to type change of facealpha and
-	edgealpha, using double_radio_property class.
-
-2008-02-26  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.h: Make sure windows.h is included before OpenGL
-	headers.
-	* fltk_backend/Makefile.in (FLTK_EXTRA_CXXFLAGS): Use $(srcdir) for
-	includesion of OpenGL renderer headers.
-	(Makeconf): Move inclusion of Makeconf later on, to avoid freezing
-	MinGW make.
-
-	* fltk_backend/Makefile.in (GRAPHICS_CFLAGS): New substituted
-	variable.
-
-2008-02-25  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (class plot_window): Many changes
-	to use figure::properties instead of figure handle to reference
-	the figure
-	(class figure_manager): ditto
-	(__fltk_redraw__): moved most of functionality into the
-	figure_manager class
-	(plot_window::pixel2pos): Modified to use axes::pixel2coord
-	(plot_window::pixel2staus): Modified to use pixel2pos
-	(plot_window::handle): Added zoom with mouse 
-
-2008-02-24  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (OpenGL_fltk::Draw): removed double
-	buffer switch
-	(OpenGL_fltk::setup_viewport): removed call to glOrtho --
-	gl-render takes care of all the transformations
-
-2008-02-23  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/fltk_backend.cc (plot_window::mark_modifed): mark
-	the whole window as damaged (otherwise changing figure.postion
-	does not have immediate effect)
-	(plot_window::draw): New function, checks for window size 
-	(__fltk_maxtime__): New DEFUN to allow tweaking of fltk timeout
-	(__fltk_redraw__): Use fltk_maxtime as timeout
-
-2008-02-21  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (opengl_renderer::patch_tesselator::combine):
-	Protect against NULL vertex data.
-
-	* opengl/gl-render.cc (opengl_renderer::draw(patch)): Add marker
-	rendering of patch objects.
-
-2008-02-21  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* opengl/gl-render.cc: remove OpenGL includes
-	* opengl/gl-render.h: add OpenGL includes
-	* fltk_backend/fltk_backend.cc: remove OpenGL includes
-	(__fltk_redraw__): put figure handle into the figure's
-	__plot_stream__ property for later
-	(fltk_backend::close_figure): use argument as figure handle to
-	close
-
-2008-02-20  Shai Ayal  <shaiay@users.sourceforge.net>
-
-	* fltk_backend/Makefile.in: initial import
-
-	* fltk_backend/fltk_backend.cc: initial import
-	
-
-2008-02-20  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.h (opengl_renderer::draw(patch)): New method to
-	render patch objects.
-	(class opengl_renderer::patch_tesselator): Forward declaration.
-	* opengl/gl-render.cc (opengl_texture::create): Use RGB data format
-	instead of RGBA.
-	(class opengl_tesselator): New classes to abstract GLU tessellation
-	process.
-	(class opengl_renderer::patch_tesselator): New class to render opaque
-	patch objects.
-	(class vertex_data): New class to hold vertex data during tessellation
-	of patch objects.
-	(opengl_renderer::draw(patch)): New method to render patch objects (no
-	transparency, no border, no marker yet).
-	(opengl_renderer::draw(graphics_object)): Dispatch to it.
-
-	* opengl/gl-render.cc (opengl_renderer::draw(patch)): Use patch color
-	data and support face/vertex single color specification.
-
-	* opengl/gl-render.cc (opengl_tesselator::begin_polygon): Set
-	tessellation property also for non-filled polygons.
-	(opengl_renderer::patch_tesselator::vertex): Protect against empty
-	color matrices.
-	(opengl_renderer::draw(patch)): Render patch border (no transparency
-	yet).
-
-2008-02-19  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (opengl_texture::texture_rep::tex_coord,
-	opengl_texture::tex_coord): New wrapper around glTexCoord2d.
-	(opengl_renderer::draw(surface)): Use it for texturemap
-	implementation.
-	(opengl_renderer::draw(surface)): Fix indexing bug when creating clip
-	matrix.
-	(opengl_texture::operator=): Add assignment operator.
-	(opengl_texture::create): New static opengl_texture creator.
-	(opengl_texture::is_valid): New accessor.
-
-2008-02-18  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (class opengl_texture): New class to wrap
-	texture operations in OpenGL.
-
-2008-02-17  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (opengl_renderer::draw(surface)): Set material
-	color when rendering surface facets.
-
-	* opengl/gl-render.cc (opengl_renderer::draw(surface)): Add rendering
-	of mesh and markers.
-
-2008-02-16  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.cc (opengl_renderer::draw(figure)): Initialize the
-	OpenGL context correctly.
-	(opengl_renderer::draw(surface)): Add missing glEnd call.
-
-2008-02-14  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* opengl/gl-render.h opengl/gl-render.cc: Add rendering
-	interface for surface objects (actual implement still
-	missing).
-
-2008-06-04  Michael Goffioul  <michael.goffioul@gmail.com>
-
-	* Makefile.in Makerules.in: Initial import
-	* opengl/Makefile.in: Likewise.
-	* opengl/gl-render.h opengl/gl-render.cc: Likewise.
deleted file mode 100644
--- a/src/graphics/Makefile.in
+++ /dev/null
@@ -1,70 +0,0 @@
-# Makefile for octave's src/graphics directory
-#
-# Copyright (C) 2008 John W. Eaton
-#
-# This file is part of Octave.
-# 
-# Octave 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 3 of the License, or (at
-# your option) any later version.
-# 
-# Octave 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 Octave; see the file COPYING.  If not, see
-# <http://www.gnu.org/licenses/>.
-
-TOPDIR = ../..
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-
-include $(TOPDIR)/Makeconf
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_DATA = @INSTALL_DATA@
-
-GRAPHICS_DIRS = @GRAPHICS_OPENGL@
-
-SUBDIRS = $(GRAPHICS_DIRS)
-
-DISTSUBDIRS = $(GRAPHICS_DIRS)
-
-CLEAN_SUBDIRS = $(DISTSUBDIRS)
-
-DISTFILES = Makefile.in Makerules.in
-
-all: $(SUBDIRS)
-.PHONY: all
-
-$(SUBDIRS):
-	$(MAKE) -C $@ all
-.PHONY: $(SUBDIRS)
-
-check: all
-.PHONY: check
-
-install install-strip uninstall::
-	@$(subdir-for-command)
-
-clean mostlyclean distclean maintainer-clean::
-	@$(foreach d, $(CLEAN_SUBDIRS), $(do-subdir-for-command))
-
-install-strip::
-	$(MAKE) INSTALL_PROGRAM="$(INSTALL_PROGRAM) -s" install
-
-tags TAGS:: $(SOURCES)
-	$(SUBDIR_FOR_COMMAND)
-
-dist:
-	for dir in $(DISTSUBDIRS); do mkdir $(TOPDIR)/`cat $(TOPDIR)/.fname`/src/graphics/$$dir; $(MAKE) -C $$dir $@; done
-	ln $(addprefix $(srcdir)/, $(DISTFILES)) $(TOPDIR)/`cat $(TOPDIR)/.fname`/src/graphics
-.PHONY: dist
-
-.NOTPARALLEL:
deleted file mode 100644
--- a/src/graphics/Makerules.in
+++ /dev/null
@@ -1,221 +0,0 @@
-# Makefile for octave's src/graphics directory
-#
-# Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-#               2002, 2003, 2004, 2005, 2006, 2007 John W. Eaton
-#
-# This file is part of Octave.
-# 
-# Octave 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 3 of the License, or (at
-# your option) any later version.
-# 
-# Octave 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 Octave; see the file COPYING.  If not, see
-# <http://www.gnu.org/licenses/>.
-
-include $(TOPDIR)/Makeconf
-
-DLL_CDEFS = @OCTGRAPHICS_DLL_DEFS@
-DLL_CXXDEFS = @OCTGRAPHICS_DLL_DEFS@
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_DATA = @INSTALL_DATA@
-
-PT_FLAGS = -fexternal-templates -fno-implicit-templates
-CXXFLAGS_NO_PT_FLAGS = $(filter-out $(PT_FLAGS), $(ALL_CXXFLAGS))
-
-OCTGRAPHICS_INCS = $(GRAPHICS_INCS)
-
-OCTGRAPHICS_SRC = $(GRAPHICS_SRC)
-
-OCTGRAPHICS_BASE = $(basename $(notdir $(OCTGRAPHICS_SRC)))
-
-OCTGRAPHICS_OBJ = $(addsuffix .o, $(OCTGRAPHICS_BASE))
-
-ifeq ($(SHARED_LIBS), true)
-  ifdef CXXPICFLAG
-    OCTGRAPHICS_PICOBJ := $(addprefix pic/, $(OCTGRAPHICS_OBJ))
-  else
-    OCTGRAPHICS_PICOBJ := $(OCTGRAPHICS_OBJ)
-  endif
-endif
-
-SOURCES := $(OCTGRAPHICS_SRC)
-
-# Ugh.
-
-DEP_1 := $(OCTGRAPHICS_SRC)
-MAKEDEPS := $(patsubst %.cc, %.d, $(DEP_1))
-
-OCTGRAPHICS_LINK_DEPS = \
-  -L$(TOPDIR)/src $(LIBOCTINTERP) -L$(TOPDIR)/liboctave $(LIBOCTAVE) \
-  -L$(TOPDIR)/libcruft $(LIBCRUFT) $(GRAPHICS_EXTRA_LIBS) $(LIBS) $(FLIBS)
-
-DISTFILES = $(OCTGRAPHICS_SRC) $(OCTGRAPHICS_INCS) \
-	$(addprefix $(srcdir)/, Makefile.in $(SPECIAL))
-
-CWD = $(shell pwd)
-THISDIR = $(notdir $(CWD))
-
-ifeq ($(SHARED_LIBS), true)
-  ifeq ($(STATIC_LIBS), true)
-    LIBRARIES = $(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT) $(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT_VER)
-  else
-    LIBRARIES = $(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT_VER)
-  endif
-else
-  ifeq ($(STATIC_LIBS), true)
-    LIBRARIES = $(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT)
-  else
-    ## This is not going to work, but hey, you asked for it...
-    LIBRARIES =
-  endif
-endif
-
-all: $(LIBRARIES)
-.PHONY: all
-
-objects: $(OCTGRAPHICS_OBJ)
-
-libraries: $(LIBRARIES)
-.PHONY: libraries
-
-$(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT): $(OCTGRAPHICS_OBJ)
-	rm -f $@
-	$(TEMPLATE_AR) $(TEMPLATE_ARFLAGS) $@ $^
-	$(RANLIB) $@
-
-$(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT_VER): $(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT)
-	rm -f $@
-	$(LN_S) $< $@
-
-$(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT): $(OCTGRAPHICS_PICOBJ)
-	rm -f $@
-	$(SH_LD) $(SH_LDFLAGS) $(SONAME_FLAGS) -o $@ $^ $(OCTGRAPHICS_LINK_DEPS)
-
-stmp-pic: pic
-	@if [ -f stmp-pic ]; then \
-	  true; \
-	else \
-	  echo "touch stmp-pic"; \
-	  touch stmp-pic; \
-	fi
-
-pic:
-	@if [ -d pic ]; then \
-	  true; \
-	else \
-	  echo "mkdir pic"; \
-	  mkdir pic; \
-	fi
-
-$(OCTGRAPHICS_PICOBJ): stmp-pic
-
-PREREQ := $(GRAPHICS_PREREQ)
-
-$(MAKEDEPS): $(PREREQ)
-
-check: all
-.PHONY: check
-
-install: install-bin install-lib install-inc
-.PHONY: install
-
-install-strip:
-	$(MAKE) INSTALL_PROGRAM="$(INSTALL_PROGRAM) -s" install
-.PHONY: install-strip
-
-install-bin:
-.PHONY: install-bin
-
-install-lib:
-	$(top_srcdir)/mkinstalldirs $(DESTDIR)$(octlibdir)
-	if $(STATIC_LIBS); then \
-	  rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT); \
-	  $(INSTALL_DATA) $(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT) \
-	    $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT); \
-	  $(RANLIB) $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT); \
-	fi
-	if $(SHARED_LIBS); then \
-	  rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT_VER); \
-	  $(INSTALL) $(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB) \
-	    $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB_VER); \
-	  rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB); \
-	  (cd $(DESTDIR)$(octlibdir) ; $(LN_S) $(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB_VER) $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB)); \
-	  if  test x$(SHLBIN) != x ; then \
-	    rm -f $(DESTDIR)$(bindir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLBIN); \
-	    $(INSTALL_PROGRAM) \
-	      $(LIBPRE)$(GRAPHICS_NAME).$(SHLBIN) $(DESTDIR)$(bindir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLBIN); \
-	  fi; \
-	fi
-.PHONY: install-lib
-
-install-inc:
-	$(top_srcdir)/mkinstalldirs $(DESTDIR)$(octincludedir)/octave
-	for f in $(OCTGRAPHICS_INCS); do \
-	  rm -f $(DESTDIR)$(octincludedir)/octave/$$f; \
-	  if [ -f $$f ]; then \
-	    $(INSTALL_DATA) $$f $(DESTDIR)$(octincludedir)/octave/$$f; \
-	  else \
-	    $(INSTALL_DATA) $(srcdir)/$$f $(DESTDIR)$(octincludedir)/octave/$$f; \
-	  fi ; \
-	done
-.PHONY: install-inc
-
-uninstall:
-	rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT)
-	rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB)
-	rm -f $(DESTDIR)$(octlibdir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLLIB_VER)
-	if test x$(SHLBIN) != x ; then \
-	  rm -f $(DESTDIR)$(bindir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLBIN); \
-	  rm -f $(DESTDIR)$(bindir)/$(LIBPRE)$(GRAPHICS_NAME).$(SHLBIN_VER); \
-	fi
-	for f in $(OCTGRAPHICS_INCS); do \
-	  rm -f $(DESTDIR)$(octincludedir)/octave/$$f; \
-	done
-	-rmdir $(DESTDIR)$(octincludedir)/octave
-	-rmdir $(DESTDIR)$(octincludedir)
-	-rmdir $(DESTDIR)$(octlibdir)
-	-rmdir $(DESTDIR)$(octfiledir)
-.PHONY: uninstall
-
-tags: $(SOURCES) $(DLD_SRC)
-	ctags $(SOURCES) $(DLD_SRC)
-
-TAGS: $(SOURCES) $(DLD_SRC)
-	etags $(SOURCES) $(DLD_SRC)
-
-clean mostlyclean distclean maintainer-clean::
-	rm -f $(MAKEDEPS) $(OCTGRAPHICS_OBJ) $(OCTGRAPHICS_PICOBJ)
-	-rmdir pic
-	rm -f stmp-pic
-.PHONY: clean mostlyclean
-
-clean::
-	rm -f $(LIBPRE)$(GRAPHICS_NAME).$(LIBEXT)
-	rm -f $(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT_VER) $(LIBPRE)$(GRAPHICS_NAME).$(SHLEXT)
-
-distclean maintainer-clean::
-	rm -f Makefile
-.PHONY: distclean
-	
-maintainer-clean::
-	rm -f tags TAGS
-.PHONY: maintainer-clean
-
-dist:
-	ln $(EXTERNAL_DISTFILES) $(TOPDIR)/`cat $(TOPDIR)/.fname`/src/graphics/$(THISDIR)
-.PHONY: dist
-
-ifdef omit_deps
-.PHONY: $(MAKEDEPS)
-endif
-
--include $(MAKEDEPS)
deleted file mode 100644
--- a/src/graphics/fltk_backend/Makefile.in
+++ /dev/null
@@ -1,77 +0,0 @@
-# Makefile for octave's src/graphics/opengl directory
-#
-# Copyright (C) 1998, 2007 John W. Eaton
-#
-# This file is part of Octave.
-# 
-# Octave 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 3 of the License, or (at
-# your option) any later version.
-# 
-# Octave 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 Octave; see the file COPYING.  If not, see
-# <http://www.gnu.org/licenses/>.
-
-TOPDIR = ../../..
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-
-GRAPHICS_LIBS = @GRAPHICS_LIBS@
-GRAPHICS_CFLAGS = @GRAPHICS_CFLAGS@
-
-include $(TOPDIR)/Makeconf
-
-FLTK_EXTRA_LIBS = $(OPENGL_LIBS) $(GRAPHICS_LIBS)
-FLTK_EXTRA_CXXFLAGS = $(GRAPHICS_CFLAGS) -I$(srcdir)/../opengl
-
-FLTK_NAME = fltk_backend
-
-FLTK_SRC := fltk_backend.cc
-FLTK_OBJ := $(patsubst %.cc, %.o, $(FLTK_SRC))
-
-%.o : %.cc
-	$(CXX) -c $(CPPFLAGS) $(ALL_CXXFLAGS) $(FLTK_EXTRA_CXXFLAGS) $< -o $@
-
-# Some stupid egreps don't like empty elements in alternation patterns,
-# so we have to repeat ourselves because some stupid egreps don't like
-# empty elements in alternation patterns.
-
-DEFUN_PATTERN = "^[ \t]*DEF(CONSTFUN|CMD|UN|UN_DLD|UNX_DLD|UN_TEXT|UN_MAPPER)[ \t]*\\("
-
-DLD_DEF_FILES := $(patsubst %.cc, %.df, $(FLTK_SRC))
-
-OCTAVE_LFLAGS = -L$(TOPDIR)/liboctave -L$(TOPDIR)/libcruft \
-  -L$(TOPDIR)/src $(RLD_FLAG)
-
-ifeq ($(ENABLE_DYNAMIC_LINKING), true)
-  OCTAVE_LIBS = $(LIBOCTINTERP) $(LIBOCTAVE) \
-    $(SPECIAL_MATH_LIB) $(LIBCRUFT) \
-    $(LIBPLPLOT) $(LIBGLOB)
-else
-  OCTAVE_LIBS = $(LIBOCTINTERP) $(LIBOCTAVE) $(QHULL_LIBS) \
-    $(GLPK_LIBS) $(REGEX_LIBS) $(SPECIAL_MATH_LIB) $(LIBCRUFT) \
-    $(LIBPLPLOT) $(LIBGLOB)
-endif
-
-OCT_LINK_DEPS = \
-  -L../../../libcruft $(LIBCRUFT) -L../../../liboctave $(LIBOCTAVE) \
-  -L../../ $(LIBOCTINTERP) -L../opengl -loctgraphics_gl $(CHOLMOD_LIBS) $(UMFPACK_LIBS) $(AMD_LIBS) \
-   $(CAMD_LIBS) $(COLAMD_LIBS) $(CCOLAMD_LIBS) $(CXSPARSE_LIBS) $(BLAS_LIBS) \
-   $(FFTW_LIBS) $(LIBS) $(FLIBS) $(FLTK_EXTRA_LIBS) $(GRAPHICS_LIBS)
-
-
-fltk_backend.oct : fltk_backend.o
-	$(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) 
-
-test_stuff.oct : test_stuff.o
-	$(DL_LD) $(DL_LDFLAGS) -o $@ $< $(OCT_LINK_DEPS) 
-
-all : fltk_backend.oct
deleted file mode 100644
--- a/src/graphics/opengl/Makefile.in
+++ /dev/null
@@ -1,37 +0,0 @@
-# Makefile for octave's src/graphics/opengl directory
-#
-# Copyright (C) 1998, 2007 John W. Eaton
-#
-# This file is part of Octave.
-# 
-# Octave 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 3 of the License, or (at
-# your option) any later version.
-# 
-# Octave 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 Octave; see the file COPYING.  If not, see
-# <http://www.gnu.org/licenses/>.
-
-TOPDIR = ../../..
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-
-EXTERNAL_DISTFILES = $(DISTFILES)
-
-GRAPHICS_NAME = octgraphics_gl
-
-GRAPHICS_SRC = gl-render.cc
-
-GRAPHICS_INCS = gl-render.h
-
-GRAPHICS_EXTRA_LIBS = $(OPENGL_LIBS)
-
-include ../Makerules