NGLDraw::NGLDraw()
{
// re-size the widget to that of the parent (in this case the GLFrame passed in on construction)
m_rotate=false;
// mouse rotation values set to 0
m_spinXFace=0;
m_spinYFace=0;
m_debug=true;
m_debugMode=0;
m_rotate=false;
// mouse rotation values set to 0
m_spinXFace=0;
m_spinYFace=0;
// Now we will create a basic Camera from the graphics library
// This is a static camera so it only needs to be set once
// First create Values for the camera position
ngl::Vec3 from(0,2,5);
ngl::Vec3 to(0,0,0);
ngl::Vec3 up(0,1,0);
// now load to our new camera
m_cam= new ngl::Camera(from,to,up);
// set the shape using FOV 45 Aspect Ratio based on Width and Height
// The final two are near and far clipping planes of 0.5 and 10
m_cam->setShape(45,(float)float(720/576),0.05,350);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f); // Grey Background
// enable depth testing for drawing
glEnable(GL_DEPTH_TEST);
// now to load the shader and set the values
// grab an instance of shader manager
ngl::ShaderLib *shader=ngl::ShaderLib::instance();
// we are creating a shader for Pass 1
shader->createShaderProgram("Pass1");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("Pass1Vertex",ngl::VERTEX);
shader->attachShader("Pass1Fragment",ngl::FRAGMENT);
// attach the source
shader->loadShaderSource("Pass1Vertex","shaders/Pass1Vert.glsl");
shader->loadShaderSource("Pass1Fragment","shaders/Pass1Frag.glsl");
// compile the shaders
shader->compileShader("Pass1Vertex");
shader->compileShader("Pass1Fragment");
// add them to the program
shader->attachShaderToProgram("Pass1","Pass1Vertex");
shader->attachShaderToProgram("Pass1","Pass1Fragment");
// shader->bindFragDataLocation("Pass1",0,"pointDeferred");
// shader->bindFragDataLocation("Pass1",1,"normalDeferred");
// shader->bindFragDataLocation("Pass1",2,"colourDeferred");
// shader->bindFragDataLocation("Pass1",3,"shadingDeferred");
shader->linkProgramObject("Pass1");
shader->use("Pass1");
// we are creating a shader for Pass 2
shader->createShaderProgram("Pass2");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("Pass2Vertex",ngl::VERTEX);
shader->attachShader("Pass2Fragment",ngl::FRAGMENT);
// attach the source
shader->loadShaderSource("Pass2Vertex","shaders/Pass2Vert.glsl");
shader->loadShaderSource("Pass2Fragment","shaders/Pass2Frag.glsl");
// compile the shaders
shader->compileShader("Pass2Vertex");
shader->compileShader("Pass2Fragment");
// add them to the program
shader->attachShaderToProgram("Pass2","Pass2Vertex");
shader->attachShaderToProgram("Pass2","Pass2Fragment");
shader->linkProgramObject("Pass2");
shader->use("Pass2");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam1i("diffusePassTex",4);
// we are creating a shader for Debug pass
shader->createShaderProgram("Debug");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("DebugVertex",ngl::VERTEX);
shader->attachShader("DebugFragment",ngl::FRAGMENT);
// attach the source
shader->loadShaderSource("DebugVertex","shaders/DebugVert.glsl");
shader->loadShaderSource("DebugFragment","shaders/DebugFrag.glsl");
// compile the shaders
shader->compileShader("DebugVertex");
shader->compileShader("DebugFragment");
// add them to the program
shader->attachShaderToProgram("Debug","DebugVertex");
shader->attachShaderToProgram("Debug","DebugFragment");
shader->linkProgramObject("Debug");
shader->use("Debug");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam1i("diffusePassTex",4);
shader->setRegisteredUniform1i("mode",1);
// we are creating a shader for Lighting pass
shader->createShaderProgram("Lighting");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("LightingVertex",ngl::VERTEX);
shader->attachShader("LightingFragment",ngl::FRAGMENT);
// attach the source
shader->loadShaderSource("LightingVertex","shaders/LightingPassVert.glsl");
shader->loadShaderSource("LightingFragment","shaders/LightingPassFrag.glsl");
// compile the shaders
shader->compileShader("LightingVertex");
shader->compileShader("LightingFragment");
// add them to the program
shader->attachShaderToProgram("Lighting","LightingVertex");
shader->attachShaderToProgram("Lighting","LightingFragment");
shader->linkProgramObject("Lighting");
shader->use("Lighting");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam2f("wh",720,576);
m_text = new ngl::Text("font/arial.ttf",14);
m_text->setScreenSize(720,576);
m_screenQuad = new ScreenQuad("Debug");
// as re-size is not explicitly called we need to do this.
glViewport(0, 0, 720,576);
ngl::VAOPrimitives *prim=ngl::VAOPrimitives::instance();
prim->createSphere("sphere",0.5,50);
prim->createSphere("lightSphere",0.1,10);
prim->createCylinder("cylinder",0.5,1.4,40,40);
prim->createCone("cone",0.5,1.4,20,20);
prim->createDisk("disk",0.8,120);
prim->createTorus("torus",0.15,0.4,40,40);
prim->createTrianglePlane("plane",14,14,80,80,ngl::Vec3(0,1,0));
createFrameBuffer();
printFrameBufferInfo(m_gbuffer);
printFrameBufferInfo(m_lightBuffer);
}
void NGLScene::initializeGL()
{
// we must call this first before any other GL commands to load and link the
// gl commands from the lib, if this is not done program will crash
ngl::NGLInit::instance();
// Now we will create a basic Camera from the graphics library
// This is a static camera so it only needs to be set once
// First create Values for the camera position
ngl::Vec3 from(0.0f,2.0f,5.0f);
ngl::Vec3 to(0.0f,0.0f,0.0f);
ngl::Vec3 up(0.0f,1.0f,0.0f);
// now load to our new camera
m_cam.set(from,to,up);
// set the shape using FOV 45 Aspect Ratio based on Width and Height
// The final two are near and far clipping planes of 0.5 and 10
m_cam.setShape(45.0f,(float)float(width()/height()),0.05f,350.0f);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f); // Grey Background
// enable depth testing for drawing
glEnable(GL_DEPTH_TEST);
// enable multisampling for smoother drawing
glEnable(GL_MULTISAMPLE);
// now to load the shader and set the values
// grab an instance of shader manager
ngl::ShaderLib *shader=ngl::ShaderLib::instance();
// we are creating a shader for Pass 1
shader->createShaderProgram("Pass1");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("Pass1Vertex",ngl::ShaderType::VERTEX);
shader->attachShader("Pass1Fragment",ngl::ShaderType::FRAGMENT);
// attach the source
shader->loadShaderSource("Pass1Vertex","shaders/Pass1Vert.glsl");
shader->loadShaderSource("Pass1Fragment","shaders/Pass1Frag.glsl");
// compile the shaders
shader->compileShader("Pass1Vertex");
shader->compileShader("Pass1Fragment");
// add them to the program
shader->attachShaderToProgram("Pass1","Pass1Vertex");
shader->attachShaderToProgram("Pass1","Pass1Fragment");
// shader->bindFragDataLocation("Pass1",0,"pointDeferred");
// shader->bindFragDataLocation("Pass1",1,"normalDeferred");
// shader->bindFragDataLocation("Pass1",2,"colourDeferred");
// shader->bindFragDataLocation("Pass1",3,"shadingDeferred");
shader->linkProgramObject("Pass1");
shader->use("Pass1");
// we are creating a shader for Pass 2
shader->createShaderProgram("Pass2");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("Pass2Vertex",ngl::ShaderType::VERTEX);
shader->attachShader("Pass2Fragment",ngl::ShaderType::FRAGMENT);
// attach the source
shader->loadShaderSource("Pass2Vertex","shaders/Pass2Vert.glsl");
shader->loadShaderSource("Pass2Fragment","shaders/Pass2Frag.glsl");
// compile the shaders
shader->compileShader("Pass2Vertex");
shader->compileShader("Pass2Fragment");
// add them to the program
shader->attachShaderToProgram("Pass2","Pass2Vertex");
shader->attachShaderToProgram("Pass2","Pass2Fragment");
shader->linkProgramObject("Pass2");
shader->use("Pass2");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam1i("diffusePassTex",4);
// we are creating a shader for Debug pass
shader->createShaderProgram("Debug");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("DebugVertex",ngl::ShaderType::VERTEX);
shader->attachShader("DebugFragment",ngl::ShaderType::FRAGMENT);
// attach the source
shader->loadShaderSource("DebugVertex","shaders/DebugVert.glsl");
shader->loadShaderSource("DebugFragment","shaders/DebugFrag.glsl");
// compile the shaders
shader->compileShader("DebugVertex");
shader->compileShader("DebugFragment");
// add them to the program
shader->attachShaderToProgram("Debug","DebugVertex");
shader->attachShaderToProgram("Debug","DebugFragment");
shader->linkProgramObject("Debug");
shader->use("Debug");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam1i("diffusePassTex",4);
shader->setRegisteredUniform1i("mode",1);
// we are creating a shader for Lighting pass
shader->createShaderProgram("Lighting");
// now we are going to create empty shaders for Frag and Vert
shader->attachShader("LightingVertex",ngl::ShaderType::VERTEX);
shader->attachShader("LightingFragment",ngl::ShaderType::FRAGMENT);
// attach the source
shader->loadShaderSource("LightingVertex","shaders/LightingPassVert.glsl");
shader->loadShaderSource("LightingFragment","shaders/LightingPassFrag.glsl");
// compile the shaders
shader->compileShader("LightingVertex");
shader->compileShader("LightingFragment");
// add them to the program
shader->attachShaderToProgram("Lighting","LightingVertex");
shader->attachShaderToProgram("Lighting","LightingFragment");
shader->linkProgramObject("Lighting");
shader->use("Lighting");
shader->setShaderParam1i("pointTex",0);
shader->setShaderParam1i("normalTex",1);
shader->setShaderParam1i("colourTex",2);
shader->setShaderParam1i("lightPassTex",3);
shader->setShaderParam2f("wh",width()*devicePixelRatio(),height()*devicePixelRatio());
m_text.reset(new ngl::Text(QFont("Arial",14)));
m_text->setScreenSize(width(),height());
m_screenQuad = new ScreenQuad("Debug");
ngl::VAOPrimitives *prim=ngl::VAOPrimitives::instance();
prim->createSphere("sphere",0.5f,50.0f);
prim->createSphere("lightSphere",0.1f,10.0f);
prim->createCylinder("cylinder",0.5f,1.4f,40.0f,40.0f);
prim->createCone("cone",0.5f,1.4f,20.0f,20.0f);
prim->createDisk("disk",0.8f,120.0f);
prim->createTorus("torus",0.15f,0.4f,40.0f,40.0f);
prim->createTrianglePlane("plane",14.0f,14.0f,80.0f,80.0f,ngl::Vec3(0.0f,1.0f,0.0f));
createFrameBuffer();
printFrameBufferInfo(m_gbuffer);
printFrameBufferInfo(m_lightBuffer);
m_fpsTimer =startTimer(0);
}
