PostProcessorDepthImagePlugin.cc 5.3 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1 2 3
/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
Martin Schultz's avatar
Martin Schultz committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
Jan Möbius's avatar
Jan Möbius committed
39 40 41
*                                                                            *
\*===========================================================================*/

Jan Möbius's avatar
Jan Möbius committed
42

Jan Möbius's avatar
Jan Möbius committed
43

44
#include <ACG/GL/acg_glew.hh>
Jan Möbius's avatar
Jan Möbius committed
45 46 47

#include "PostProcessorDepthImagePlugin.hh"

Jan Möbius's avatar
Jan Möbius committed
48
#include <ACG/GL/ScreenQuad.hh>
Jan Möbius's avatar
Jan Möbius committed
49 50 51 52

#include <OpenFlipper/BasePlugin/PluginFunctions.hh>


Jan Möbius's avatar
Jan Möbius committed
53 54
PostProcessorDepthImagePlugin::PostProcessorDepthImagePlugin()
: shader_(0)
Jan Möbius's avatar
Jan Möbius committed
55 56 57 58 59
{

}


Jan Möbius's avatar
Jan Möbius committed
60 61 62 63
PostProcessorDepthImagePlugin::~PostProcessorDepthImagePlugin()
{
  delete shader_;
}
Jan Möbius's avatar
Jan Möbius committed
64

Jan Möbius's avatar
Jan Möbius committed
65 66
QString PostProcessorDepthImagePlugin::postProcessorName() {
  return QString("Show Depth Image");
Jan Möbius's avatar
Jan Möbius committed
67 68
}

69 70 71 72 73 74 75 76 77
QString PostProcessorDepthImagePlugin::checkOpenGL() 
{
  if ( ! ACG::openGLVersion(3, 0) )
    return QString("Insufficient OpenGL Version! OpenGL 3.0 or higher required");

  return QString("");
}


Christopher Tenter's avatar
Christopher Tenter committed
78
void PostProcessorDepthImagePlugin::postProcess(ACG::GLState* _glstate, const std::vector<const PostProcessorInput*>& _input, const PostProcessorOutput& _output) {
Jan Möbius's avatar
Jan Möbius committed
79 80

  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
81
  // Load shader if needed
Jan Möbius's avatar
Jan Möbius committed
82
  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
83 84
  if (!shader_)
    shader_ = GLSL::loadProgram("ShowDepth/screenquad.glsl", "ShowDepth/depth.glsl");
Jan Möbius's avatar
Jan Möbius committed
85 86

  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
87
  // Bind input texture
Jan Möbius's avatar
Jan Möbius committed
88 89
  // ======================================================================================================

90
  _input[0]->bindDepthTex(0);
Jan Möbius's avatar
Jan Möbius committed
91 92

  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
93
  // Bind output FBO
Jan Möbius's avatar
Jan Möbius committed
94
  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
95

96
  _output.bind();
Jan Möbius's avatar
Jan Möbius committed
97 98

  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
99
  // Setup shader
Jan Möbius's avatar
Jan Möbius committed
100 101
  // ======================================================================================================

Jan Möbius's avatar
Jan Möbius committed
102 103
  shader_->use();
  shader_->setUniform("textureSampler", 0);
Jan Möbius's avatar
Jan Möbius committed
104 105

  // ======================================================================================================
Jan Möbius's avatar
Jan Möbius committed
106
  // Execute
Jan Möbius's avatar
Jan Möbius committed
107 108
  // ======================================================================================================

Jan Möbius's avatar
Jan Möbius committed
109
  ACG::ScreenQuad::draw(shader_);
Jan Möbius's avatar
Jan Möbius committed
110

Jan Möbius's avatar
Jan Möbius committed
111
  shader_->disable();
Jan Möbius's avatar
Jan Möbius committed
112 113 114
}