octave: libinterp/dldfcn/__osmesa_print_

annotate libinterp/dldfcn/__osmesa_print__.cc @ 21196:bd96c2efd4fe

move include statements for OpenGL headers to a single file * oct-opengl.h: New file. * libinterp/corefcn/module.mk: Update. * Canvas.cc, gl-select.cc, gl-select.h, gl-render.cc, gl-render.h, gl2ps-renderer.cc, __init_fltk__.cc, __osmesa_print__.cc: Update include statements.

author	John W. Eaton <jwe@octave.org>
date	Thu, 04 Feb 2016 16:56:02 -0500
parents	bd1752782e56
children	9a5bb6996b16

rev	line source
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	1 /*
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	2
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	3 Copyright (C) 2015 Andreas Weber <andy.weber.aw@gmail.com>
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	4
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	5 This file is part of Octave.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	6
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	10 option) any later version.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	11
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	15 for more details.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	16
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	17 You should have received a copy of the GNU General Public License
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	20
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	21 This code is based on Brian Pauls' src/osdemos/osdemo.c
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	22 from git://anongit.freedesktop.org/mesa/demos
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	23
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	24 */
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	25
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	26 #ifdef HAVE_CONFIG_H
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	27 #include <config.h>
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	28 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	29
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	30 #include "oct-locbuf.h"
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	31 #include "unwind-prot.h"
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	32
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	33 #include "defun-dld.h"
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 21109 diff changeset	34 #include "errwarn.h"
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	35 #include "gl-render.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	36 #include "gl2ps-renderer.h"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	37 #include "graphics.h"
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 21109 diff changeset	38 #include "oct-opengl.h"
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	39
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	40 #if defined (HAVE_OSMESA_H)
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 21109 diff changeset	41 # include "osmesa.h"
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	42 #elif defined (HAVE_GL_OSMESA_H)
21196 bd96c2efd4fe move include statements for OpenGL headers to a single file John W. Eaton <jwe@octave.org> parents: 21109 diff changeset	43 # include "GL/osmesa.h"
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	44 #endif
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	45
19732 bf25e9f7c22a use FLTK_CFLAGS and FLTK_LIBS instead of GRAPHICS_CFLAGS and GRAPHICS_LIBS John W. Eaton <jwe@octave.org> parents: 19710 diff changeset	46 #if defined (HAVE_OSMESA) && defined (HAVE_OPENGL)
19709 5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	47 static void
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	48 close_fcn (FILE *f)
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	49 {
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	50 gnulib::fclose (f);
5cfb3ccbf24a style fixes for resource management John W. Eaton <jwe@octave.org> parents: 19707 diff changeset	51 }
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	52
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	53 static void
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	54 reset_visibility (figure::properties *fp)
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	55 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	56 fp->set_visible ("on");
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	57 }
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	58 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	59
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	60 DEFUN_DLD(__osmesa_print__, args, ,
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	61 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20825 diff changeset	62 @deftypefn {} {} __osmesa_print__ (@var{h}, @var{file}, @var{term})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20825 diff changeset	63 @deftypefnx {} {@var{img} =} __osmesa_print__ (@var{h})\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	64 Print figure @var{h} using OSMesa and gl2ps for vector formats.\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	65 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	66 This is a private internal function.\n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	67 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	68 The first method calls gl2ps with the appropriate @var{term} and writes\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	69 the output of gl2ps to @var{file}. If the first character of @var{file}\n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	70 is @qcode{\|}, then a process is started and the output of gl2ps is piped\n\
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	71 to it.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	72 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	73 Valid options for @var{term}, which can be concatenated in one string, are:\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	74 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	75 @table @asis\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	76 @item @qcode{eps}, @qcode{pdf}, @qcode{ps}, @qcode{svg}, @qcode{pgf}, @qcode{tex}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	77 Select output format.\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	78 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	79 @item @qcode{is2D}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	80 Use GL2PS_SIMPLE_SORT instead of GL2PS_BSP_SORT as Z-depth sorting algorithm.\n\
19795 ca7599ae464d doc: Grammarcheck documentation ahead of 4.0 release. Rik <rik@octave.org> parents: 19763 diff changeset	81 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	82 @item @qcode{notext}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	83 Don't render text.\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	84 @end table\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	85 \n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	86 The second method doesn't use gl2ps and returns a RGB image in @var{img}\n\
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	87 instead.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	88 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	89 @end deftypefn")
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	90 {
21109 bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base. Rik <rik@octave.org> parents: 21100 diff changeset	91 #ifndef HAVE_OSMESA
bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base. Rik <rik@octave.org> parents: 21100 diff changeset	92 err_disabled_feature ("__osmesa_print__", "offscreen rendering with OSMesa");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	93 #else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	94 int nargin = args.length ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	95
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20790 diff changeset	96 if (nargin != 1 && nargin != 3)
20790 c2d9556d51d0 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20555 diff changeset	97 print_usage ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	98
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	99 if (nargin == 3)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	100 {
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	101 if (! (args(1).is_string () && args(2).is_string ()))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	102 error ("__osmesa_print__: FILE and TERM must be strings");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	103
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	104 #ifndef HAVE_GL2PS_H
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19795 diff changeset	105 error ("__osmesa_print__: Octave has been compiled without gl2ps");
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	106 #endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	107 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	108
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	109 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	110
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	111 int h = args(0).double_value ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	112 graphics_object fobj = gh_manager::get_object (h);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	113 if (! (fobj && fobj.isa ("figure")))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	114 error ("__osmesa_print__: H must be a valid figure handle");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	115
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	116 figure::properties& fp =
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	117 dynamic_cast<figure::properties&> (fobj.get_properties ());
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	118
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	119 bool internal = true;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	120 Matrix bb = fp.get_boundingbox (internal);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	121
19922 a0ec61ec0f73 __osmesa_print__.cc: Use GLsizei in call to OSMesaCreateContextExt to match prototype. Rik <rik@octave.org> parents: 19917 diff changeset	122 GLsizei Width = static_cast<GLsizei> (bb(2));
a0ec61ec0f73 __osmesa_print__.cc: Use GLsizei in call to OSMesaCreateContextExt to match prototype. Rik <rik@octave.org> parents: 19917 diff changeset	123 GLsizei Height = static_cast<GLsizei> (bb(3));
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	124
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	125 // Create an RGBA-mode context, specify Z=16, stencil=0, accum=0 sizes
19710 ce0a1bd0cd47 fix omission from changeset 1170c849952b John W. Eaton <jwe@octave.org> parents: 19709 diff changeset	126 OSMesaContext ctx = OSMesaCreateContextExt (OSMESA_RGBA, 16, 0, 0, NULL);
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	127 if (! ctx)
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	128 error ("__osmesa_print__: OSMesaCreateContext failed!\n");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	129
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	130 // Allocate the image buffer
19710 ce0a1bd0cd47 fix omission from changeset 1170c849952b John W. Eaton <jwe@octave.org> parents: 19709 diff changeset	131 OCTAVE_LOCAL_BUFFER (GLubyte, buffer, 4 * Width * Height);
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	132
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	133 // Bind the buffer to the context and make it current
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	134 if (! OSMesaMakeCurrent (ctx, buffer, GL_UNSIGNED_BYTE, Width, Height))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	135 error ("__osmesa_print__: OSMesaMakeCurrent failed!\n");
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	136
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	137 // Test for a bug in OSMesa with version < 9.0
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	138 //
19917 f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	139 // Unfortunately the macros OSMESA_MAJOR_VERSION and OSMESA_MINOR_VERSION
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	140 // weren't updated between many releases and can't be used for detection.
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	141 // (Version 8.0 until 9.1.4 all return MAJOR 6, MINOR 5)
f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	142 GLint z, s;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	143 glGetIntegerv (GL_DEPTH_BITS, &z);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	144 glGetIntegerv (GL_STENCIL_BITS, &s);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	145 if (z != 16 \|\| s != 0)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	146 error ("__osmesa_print__: Depth and stencil doesn't match,"
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	147 " are you sure you are using OSMesa >= 9.0?");
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	148
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	149 unwind_protect outer_frame;
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	150
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	151 bool v = fp.is_visible ();
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	152
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	153 if (v)
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	154 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	155 outer_frame.add_fcn (reset_visibility, &fp);
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	156
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	157 fp.set_visible ("off");
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	158 }
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	159
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	160 if (nargin == 3)
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	161 {
19707 59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	162 // use gl2ps
20096 bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	163 #ifndef HAVE_GL2PS_H
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21084 diff changeset	164 err_disabled_feature ("__osmesa_print__", "gl2ps");
20096 bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	165 #else
19707 59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	166 std::string file = args(1).string_value ();
59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	167 std::string term = args(2).string_value ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	168
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	169 size_t pos_p = file.find_first_of ("\|");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	170 size_t pos_c = file.find_first_not_of ("\| ");
19884 e814e202cd84 Account for whitespace and other anomalies in print function pipe/file string. Daniel J Sebald <daniel.sebald@ieee.org> parents: 19874 diff changeset	171
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	172 if (pos_p == std::string::npos && pos_c == std::string::npos)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	173 error ("__osmesa_print__: empty output ''");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	174 else if (pos_c == std::string::npos)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	175 error ("__osmesa_print__: empty pipe '\|'");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	176 else if (pos_p != std::string::npos && pos_p < pos_c)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	177 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	178 // create process and pipe gl2ps output to it
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	179 std::string cmd = file.substr (pos_c);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	180 gl2ps_print (fobj, cmd, term);
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	181 }
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	182 else
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	183 {
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	184 // write gl2ps output directly to file
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	185 FILE *filep = gnulib::fopen (file.substr (pos_c).c_str (), "w");
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	186
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	187 if (! filep)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	188 error ("__osmesa_print__: Couldn't create file \"%s\"", file.c_str ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	189
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	190 unwind_protect frame;
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	191
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	192 frame.add_fcn (close_fcn, filep);
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20096 diff changeset	193
21084 83ce7b8fb91c maint: rename glps_renderer class to gl2ps_renderer to match filename. Rik <rik@octave.org> parents: 20939 diff changeset	194 gl2ps_renderer rend (filep, term);
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	195 rend.draw (fobj, "");
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	196
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	197 // Make sure buffered commands are finished!!!
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	198 glFinish ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	199 }
20096 bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	200 #endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	201 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	202 else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	203 {
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	204 // return RGB image
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	205 opengl_renderer rend;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	206 rend.draw (fobj);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	207
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	208 // Make sure buffered commands are finished!!!
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	209 glFinish ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	210
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	211 dim_vector dv (4, Width, Height);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	212
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	213 // FIXME: We expect that GLubyte is 1 Byte long.
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	214 // Adapt code if this isn't always true
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	215 assert (sizeof (GLubyte) == 1);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	216 uint8NDArray img (dv);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	217 unsigned char p = reinterpret_cast<unsigned char>(img.fortran_vec ());
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	218 memcpy (p, buffer, (4 * Width * Height));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	219
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	220 Array<octave_idx_type> perm (dim_vector (3, 1));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	221 perm(0) = 2;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	222 perm(1) = 1;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	223 perm(2) = 0;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	224
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	225 Array<idx_vector> idx (dim_vector (3, 1));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	226
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	227 // Flip Y
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	228 idx(0) = idx_vector::make_range (Height - 1, -1, Height);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	229 idx(1) = idx_vector::colon;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	230
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	231 // Remove alpha channel
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	232 idx(2) = idx_vector (0, 3);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	233 retval = octave_value (img.permute (perm). index(idx));
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	234 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	235
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	236 OSMesaDestroyContext (ctx);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	237
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	238 return retval;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	239 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	240 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	241
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	242 /*
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	243 ## FIXME: osmesa does not work correctly on Windows platforms.
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	244 ## This is not critical, since this facility will mostly be used in
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	245 ## the future for generating the images in Octave's own documentation.
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	246 ## For the moment, disable these tests on PC's and Macs.
20096 bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	247 %!testif HAVE_OSMESA, HAVE_GL2PS_H
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	248 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	249 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	250 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	251 %! sombrero ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	252 %! __osmesa_print__ (h, fn, "svg");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	253 %! assert (stat (fn).size, 2692270, -0.1);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	254 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	255 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	256 %! assert (size (img), [get(h, "position")([4, 3]), 3])
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	257 %! ## Use pixel sum per RGB channel as fingerprint
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	258 %! img_fp = squeeze (sum (sum (img), 2));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	259 %! assert (img_fp, [52942515; 54167797; 56158178], -0.05);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	260 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	261
20096 bb59bdbdb8ac Fix compilation error when building with OSMesa but without gl2ps (bug #44870) Andreas Weber <andy.weber.aw@gmail.com> parents: 20048 diff changeset	262 %!testif HAVE_OSMESA, HAVE_GL2PS_H
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	263 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	264 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	265 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	266 %! plot (sin (0:0.1:2*pi));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	267 %! __osmesa_print__ (h, fn, "svgis2d");
20048 f1b67f6e6e45 __osmesa_print__.cc: Increase non-critical relative tolerance in BIST test. Rik <rik@octave.org> parents: 19922 diff changeset	268 %! assert (stat (fn).size, 7438, -0.1);
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	269 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	270 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	271 %! assert (size (img), [get(h, "position")([4, 3]), 3])
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	272 %! ## Use pixel sum per RGB channel as fingerprint
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	273 %! img_fp = squeeze (sum (sum (img), 2));
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	274 %! assert (img_fp, [59281711; 59281711; 59482179], -0.05);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	275 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	276 */

Mercurial > octave

annotate libinterp/dldfcn/__osmesa_print__.cc @ 21196:bd96c2efd4fe