octave: libinterp/dldfcn/__osmesa_print_

annotate libinterp/dldfcn/__osmesa_print__.cc @ 21198:1adcdc518d9e

provide wrapper for glFinish in opengl_renderer class * gl-render.h, gl-render.cc (opengl_renderer::finish): New function. * gl2ps-renderer.h, gl2ps-renderer.cc, __osmesa_print__.cc: Use it instead of calling glFinish directly.

author	John W. Eaton <jwe@octave.org>
date	Thu, 04 Feb 2016 18:12:00 -0500
parents	9a5bb6996b16
children	dd6605e1eaea

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)
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	47
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	48 static void
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	49 reset_visibility (figure::properties *fp)
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	50 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	51 fp->set_visible ("on");
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	52 }
21197 9a5bb6996b16 write to pipe or file in gl2ps_print John W. Eaton <jwe@octave.org> parents: 21196 diff changeset	53
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	54 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	55
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	56 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	57 "-- 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	58 @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	59 @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	60 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	61 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	62 This is a private internal function.\n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	63 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	64 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	65 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	66 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	67 to it.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	68 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	69 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	70 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	71 @table @asis\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	72 @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	73 Select output format.\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 @item @qcode{is2D}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	76 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	77 \n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	78 @item @qcode{notext}\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	79 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	80 @end table\n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	81 \n\
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	82 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	83 instead.\n\
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	84 \n\
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	85 @end deftypefn")
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	86 {
21109 bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base. Rik <rik@octave.org> parents: 21100 diff changeset	87 #ifndef HAVE_OSMESA
bd1752782e56 Use err_disabled_feature, warn_disabled_feature throughout code base. Rik <rik@octave.org> parents: 21100 diff changeset	88 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	89 #else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	90 int nargin = args.length ();
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	91
20812 d9ca869ca124 maint: Clean-up more instances of print_usage(). Rik <rik@octave.org> parents: 20790 diff changeset	92 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	93 print_usage ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	94
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	95 if (nargin == 3)
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	96 {
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	97 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	98 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	99 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	100
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	101 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	102
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	103 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	104 graphics_object fobj = gh_manager::get_object (h);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	105 if (! (fobj && fobj.isa ("figure")))
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	106 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	107
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	108 figure::properties& fp =
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	109 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	110
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	111 bool internal = true;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	112 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	113
19922 a0ec61ec0f73 __osmesa_print__.cc: Use GLsizei in call to OSMesaCreateContextExt to match prototype. Rik <rik@octave.org> parents: 19917 diff changeset	114 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	115 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	116
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	117 // 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	118 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	119 if (! ctx)
20825 66cd994d1b79 eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20812 diff changeset	120 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	121
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	122 // Allocate the image buffer
19710 ce0a1bd0cd47 fix omission from changeset 1170c849952b John W. Eaton <jwe@octave.org> parents: 19709 diff changeset	123 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	124
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	125 // 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	126 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	127 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	128
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	129 // Test for a bug in OSMesa with version < 9.0
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	130 //
19917 f48e650a68b5 Use GLint instead of just int in calls to glGetIntegerv to match prototype. Rik <rik@octave.org> parents: 19914 diff changeset	131 // 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	132 // 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	133 // (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	134 GLint z, s;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	135 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	136 glGetIntegerv (GL_STENCIL_BITS, &s);
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	137 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	138 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	139 " 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	140
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	141 unwind_protect outer_frame;
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	142
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	143 bool v = fp.is_visible ();
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	144
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	145 if (v)
19763 84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	146 {
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	147 outer_frame.add_fcn (reset_visibility, &fp);
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	148
84772c272288 style fixes John W. Eaton <jwe@octave.org> parents: 19732 diff changeset	149 fp.set_visible ("off");
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
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	152 if (nargin == 3)
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	153 {
19707 59ad278cfb98 __opengl_print__.m: Use OSMesa for offscreen rendering (Bug #33180) Andreas Weber <andy.weber.aw@gmail.com> parents: 19703 diff changeset	154 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	155 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	156
21197 9a5bb6996b16 write to pipe or file in gl2ps_print John W. Eaton <jwe@octave.org> parents: 21196 diff changeset	157 gl2ps_print (fobj, file, term);
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	158 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	159 else
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	160 {
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	161 // return RGB image
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	162 opengl_renderer rend;
21198 1adcdc518d9e provide wrapper for glFinish in opengl_renderer class John W. Eaton <jwe@octave.org> parents: 21197 diff changeset	163
1adcdc518d9e provide wrapper for glFinish in opengl_renderer class John W. Eaton <jwe@octave.org> parents: 21197 diff changeset	164 // Draw and finish () or there may primitives missing in the
1adcdc518d9e provide wrapper for glFinish in opengl_renderer class John W. Eaton <jwe@octave.org> parents: 21197 diff changeset	165 // output.
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	166 rend.draw (fobj);
21198 1adcdc518d9e provide wrapper for glFinish in opengl_renderer class John W. Eaton <jwe@octave.org> parents: 21197 diff changeset	167 rend.finish ();
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	168
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	169 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	170
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	171 // 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	172 // 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	173 assert (sizeof (GLubyte) == 1);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	174 uint8NDArray img (dv);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	175 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	176 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	177
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	178 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	179 perm(0) = 2;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	180 perm(1) = 1;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	181 perm(2) = 0;
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	182
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	183 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	184
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	185 // Flip Y
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	186 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	187 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	188
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	189 // Remove alpha channel
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	190 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	191 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	192 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	193
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	194 OSMesaDestroyContext (ctx);
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	195
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	196 return retval;
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	197 #endif
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	198 }
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	199
a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	200 /*
19914 d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	201 ## 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	202 ## 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	203 ## 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	204 ## 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	205 %!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	206 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	207 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	208 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	209 %! sombrero ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	210 %! __osmesa_print__ (h, fn, "svg");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	211 %! 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	212 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	213 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	214 %! 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	215 %! ## 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	216 %! 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	217 %! 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	218 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	219
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	220 %!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	221 %! if (isunix ())
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	222 %! h = figure ("visible", "off");
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	223 %! fn = tempname ();
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	224 %! 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	225 %! __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	226 %! 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	227 %! unlink (fn);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	228 %! img = __osmesa_print__ (h);
d9f6260cf20a Disable __osmesa_print__ tests on non-unix platforms (bug #44338). Rik <rik@octave.org> parents: 19884 diff changeset	229 %! 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	230 %! ## 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	231 %! 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	232 %! 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	233 %! endif
19703 a81177f4bfe6 Add __osmesa_print__.cc for offscreen rendering with OpenGL Andreas Weber <andy.weber.aw@gmail.com> parents: diff changeset	234 */

Mercurial > octave

annotate libinterp/dldfcn/__osmesa_print__.cc @ 21198:1adcdc518d9e