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c92fc923f9f52a09010648564d31af40c93f7b3e
OpenSpace/src/abuffer/abuffervisualizer.cpp
Alexander Bock c92fc923f9 Remove constants.h file 
Reenable LuaConsole rendering
2015-12-14 17:21:22 -08:00

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2015 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <openspace/abuffer/abuffervisualizer.h>
#include <openspace/util/constants.h>
#include <openspace/engine/openspaceengine.h>
#include <openspace/engine/wrapper/windowwrapper.h>
#include <ghoul/logging/logmanager.h>
#include <ghoul/opengl/programobject.h>
#include <sgct.h>
#define MARKER_POINTS
#define MARKER_LINES
#define COLOR_BOX
namespace {
const std::string _loggerCat = "ABufferVisualizer";
}
namespace openspace {
ABufferVisualizer::ABufferVisualizer()
: _pointcloud(0)
, _pointcloudSize(0)
, _markers(0)
, _markersSize(0)
, _pointcloudProgram(nullptr)
{
}
ABufferVisualizer::~ABufferVisualizer() {
if (_pointcloud)
glDeleteVertexArrays(1, &_pointcloud);
if (_markers)
glDeleteVertexArrays(1, &_markers);
}
void ABufferVisualizer::updateData(const std::vector<ABuffer::fragmentData>& data) {
if (_pointcloud)
glDeleteVertexArrays(1, &_pointcloud);
_pointcloudSize = static_cast<GLsizei>(data.size());
GLuint vertexPositionBuffer;
glGenVertexArrays(1, &_pointcloud); // generate array
glBindVertexArray(_pointcloud); // bind array
glGenBuffers(1, &vertexPositionBuffer); // generate buffer
glBindBuffer(GL_ARRAY_BUFFER, vertexPositionBuffer); // bind buffer
glBufferData(GL_ARRAY_BUFFER, sizeof(ABuffer::fragmentData)*_pointcloudSize, data.data(), GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(ABuffer::fragmentData),
reinterpret_cast<const GLvoid*>(offsetof(ABuffer::fragmentData, _position)));
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, sizeof(ABuffer::fragmentData),
reinterpret_cast<const GLvoid*>(offsetof(ABuffer::fragmentData, _color)));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
if (!_markers)
initializeMarkers();
if (!_pointcloudProgram) {
_pointcloudProgram = ghoul::opengl::ProgramObject::Build(
"pointcloudProgram",
"${SHADERS}/pointcloud_vs.glsl",
"${SHADERS}/pointcloud_fs.glsl");
if (!_pointcloudProgram)
LERROR("Could not compile _pointcloudProgram");
}
}
void ABufferVisualizer::render() {
if (!_pointcloudProgram)
return;
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
_pointcloudProgram->activate();
glm::mat4 modelMatrix = glm::mat4(1.0);
static glm::mat4 rotation = glm::mat4(1.0);
rotation = glm::rotate(rotation, 0.3f, glm::vec3(0, 1, 0));
static glm::mat4 rotationText = glm::mat4(1.0);
rotationText = glm::rotate(rotationText, -0.3f, glm::vec3(0, 1, 0));
modelMatrix = glm::translate(modelMatrix, glm::vec3(0, 0, -1));
modelMatrix = modelMatrix * rotation;
_pointcloudProgram->setUniform("ViewProjection", OsEng.windowWrapper().viewProjectionMatrix());
_pointcloudProgram->setUniform("ModelTransform", modelMatrix);
#if defined(MARKER_POINTS)
glPointSize(2.0);
glBindVertexArray(_markers);
glDrawArrays(GL_POINTS, 0, _markersSize);
glBindVertexArray(0);
#endif
#if defined(MARKER_LINES)
glBindVertexArray(_markers); // select first VAO
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _imarkers);
glDrawElements(GL_LINES, _imarkersSize, GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
#endif
glPointSize(1.0);
glBindVertexArray(_pointcloud);
glDrawArrays(GL_POINTS, 0, _pointcloudSize);
glBindVertexArray(0);
_pointcloudProgram->deactivate();
// const int font_size_light = 8;
// const sgct_text::Font* fontLight = sgct_text::FontManager::instance()->getFont(constants::fonts::keyLight, font_size_light);
//
// const glm::mat4 scale = glm::scale(glm::mat4(1.0), glm::vec3(0.04, 0.04, 0.04));
// glm::mat4 translate, mvp;
//
// const glm::mat4 viewProjMatrix = OsEng.windowWrapper().viewProjectionMatrix();
// translate = glm::translate(glm::mat4(1.0), glm::vec3(0, 0, 0));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(0,0,0)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(0, 0, 1));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(0,0,1)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(0, 1, 0));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(0,1,0)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(1, 0, 0));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(1,0,0)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(0, 1, 1));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(0,1,1)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(1, 0, 1));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(1,0,1)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(1, 1, 0));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(1,1,0)");
// translate = glm::translate(glm::mat4(1.0), glm::vec3(1, 1, 1));
// mvp = viewProjMatrix*modelMatrix*translate*rotationText*scale;
// Freetype::print3d(fontLight, mvp, "(1,1,1)");
}
void ABufferVisualizer::initializeMarkers() {
ABuffer::fragmentData fd;
fd._color[0] = 0.3f;
fd._color[1] = 0.3f;
fd._color[2] = 0.3f;
fd._color[3] = 1.0f;
std::vector<ABuffer::fragmentData> markers(8, fd);
#ifdef COLOR_BOX
// First 4
markers.at(0)._position[0] = 0.0f; markers.at(0)._color[0] = 0.0f;
markers.at(0)._position[1] = 0.0f; markers.at(0)._color[1] = 0.0f;
markers.at(0)._position[2] = 0.0f; markers.at(0)._color[2] = 0.0f;
markers.at(1)._position[0] = 1.0f; markers.at(1)._color[0] = 1.0f;
markers.at(1)._position[1] = 0.0f; markers.at(1)._color[1] = 0.0f;
markers.at(1)._position[2] = 0.0f; markers.at(1)._color[2] = 0.0f;
markers.at(2)._position[0] = 1.0f; markers.at(2)._color[0] = 1.0f;
markers.at(2)._position[1] = 1.0f; markers.at(2)._color[1] = 1.0f;
markers.at(2)._position[2] = 0.0f; markers.at(2)._color[2] = 0.0f;
markers.at(3)._position[0] = 0.0f; markers.at(3)._color[0] = 0.0f;
markers.at(3)._position[1] = 1.0f; markers.at(3)._color[1] = 1.0f;
markers.at(3)._position[2] = 0.0f; markers.at(3)._color[2] = 0.0f;
// last 4
markers.at(4)._position[0] = 0.0f; markers.at(4)._color[0] = 0.0f;
markers.at(4)._position[1] = 0.0f; markers.at(4)._color[1] = 0.0f;
markers.at(4)._position[2] = 1.0f; markers.at(4)._color[2] = 1.0f;
markers.at(5)._position[0] = 1.0f; markers.at(5)._color[0] = 1.0f;
markers.at(5)._position[1] = 0.0f; markers.at(5)._color[1] = 0.0f;
markers.at(5)._position[2] = 1.0f; markers.at(5)._color[2] = 1.0f;
markers.at(6)._position[0] = 1.0f; markers.at(6)._color[0] = 1.0f;
markers.at(6)._position[1] = 1.0f; markers.at(6)._color[1] = 1.0f;
markers.at(6)._position[2] = 1.0f; markers.at(6)._color[2] = 1.0f;
markers.at(7)._position[0] = 0.0f; markers.at(7)._color[0] = 0.0f;
markers.at(7)._position[1] = 1.0f; markers.at(7)._color[1] = 1.0f;
markers.at(7)._position[2] = 1.0f; markers.at(7)._color[2] = 1.0f;
#else
// First 4
markers.at(0)._position[0] = 0.0f;
markers.at(0)._position[1] = 0.0f;
markers.at(0)._position[2] = 0.0f;
markers.at(1)._position[0] = 1.0f;
markers.at(1)._position[1] = 0.0f;
markers.at(1)._position[2] = 0.0f;
markers.at(2)._position[0] = 1.0f;
markers.at(2)._position[1] = 1.0f;
markers.at(2)._position[2] = 0.0f;
markers.at(3)._position[0] = 0.0f;
markers.at(3)._position[1] = 1.0f;
markers.at(3)._position[2] = 0.0f;
// last 4
markers.at(4)._position[0] = 0.0f;
markers.at(4)._position[1] = 0.0f;
markers.at(4)._position[2] = 1.0f;
markers.at(5)._position[0] = 1.0f;
markers.at(5)._position[1] = 0.0f;
markers.at(5)._position[2] = 1.0f;
markers.at(6)._position[0] = 1.0f;
markers.at(6)._position[1] = 1.0f;
markers.at(6)._position[2] = 1.0f;
markers.at(7)._position[0] = 0.0f;
markers.at(7)._position[1] = 1.0f;
markers.at(7)._position[2] = 1.0f;
#endif
_markersSize = static_cast<GLsizei>(markers.size());
GLuint vertexPositionBuffer;
glGenVertexArrays(1, &_markers); // generate array
glBindVertexArray(_markers); // bind array
glGenBuffers(1, &vertexPositionBuffer); // generate buffer
glBindBuffer(GL_ARRAY_BUFFER, vertexPositionBuffer); // bind buffer
glBufferData(GL_ARRAY_BUFFER, sizeof(ABuffer::fragmentData)*_markersSize, markers.data(), GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(ABuffer::fragmentData),
reinterpret_cast<const GLvoid*>(offsetof(ABuffer::fragmentData, _position)));
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, sizeof(ABuffer::fragmentData),
reinterpret_cast<const GLvoid*>(offsetof(ABuffer::fragmentData, _color)));
//glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 3, reinterpret_cast<void*>(0));
//glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 4, reinterpret_cast<void*>(sizeof(GLfloat) * 3));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
std::vector<GLsizei> ivector;
// front
ivector.push_back(0);
ivector.push_back(1);
ivector.push_back(1);
ivector.push_back(2);
ivector.push_back(2);
ivector.push_back(3);
ivector.push_back(3);
ivector.push_back(0);
// back
ivector.push_back(4);
ivector.push_back(5);
ivector.push_back(5);
ivector.push_back(6);
ivector.push_back(6);
ivector.push_back(7);
ivector.push_back(7);
ivector.push_back(4);
// connections between front and back
ivector.push_back(0);
ivector.push_back(4);
ivector.push_back(3);
ivector.push_back(7);
ivector.push_back(1);
ivector.push_back(5);
ivector.push_back(2);
ivector.push_back(6);
_imarkersSize = static_cast<GLsizei>(ivector.size());
glBindVertexArray(0);
glGenBuffers(1, &_imarkers);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _imarkers);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, _imarkersSize * sizeof(GLsizei), ivector.data(), GL_STATIC_DRAW);
}
} // openspace
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