Shader::Shader(QString vshaderName, QString fshaderName, QObject *parent)
:QOpenGLShaderProgram(parent)
{
QOpenGLShader *vshader = new QOpenGLShader(QOpenGLShader::Vertex, parent);
{
QFile file(":/res/Shaders/"+vshaderName+".vert");
if (file.open(QIODevice::ReadOnly)) {
QString vsrc = file.readAll();
if (!vshader->compileSourceCode(vsrc)){
printf("%s", vshader->log().data());
exit(1);
}
}
}
QOpenGLShader *fshader = new QOpenGLShader(QOpenGLShader::Fragment, parent);
{
QFile file(":/res/Shaders/"+fshaderName+".frag");
if (file.open(QIODevice::ReadOnly)) {
QString fsrc = file.readAll();
if (!fshader->compileSourceCode(fsrc)){
printf("%s", fshader->log().data());
exit(1);
}
}
}
this->addShader(vshader);
this->addShader(fshader);
this->bindAttributeLocation("vertex", PROGRAM_VERTEX_ATTRIBUTE);
this->bindAttributeLocation("texCoord", PROGRAM_TEXCOORD_ATTRIBUTE);
this->bindAttributeLocation("lightPosition", PROGRAM_LIGHT_POSITION_ATTRIBUTE);
this->bindAttributeLocation("lightColour", PROGRAM_LIGHT_COLOUR_ATTRIBUTE);
this->bindAttributeLocation("useTexture", PROGRAM_USE_TEXTURE);
if (!this->link())
{
printf("%s", this->log().data());
exit(1);
}
this->bind();
this->setUniformValue("texture", 0);
}
void GLWidget::initializeGL()
{
initializeOpenGLFunctions();
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
makeCurrent();
qglClearColor(QColor::fromCmykF(0.79, 0.79, 0.79, 0.0).dark());
glEnable(GL_DEPTH_TEST);
glEnable(GL_MULTISAMPLE);
glEnable(GL_DEPTH_TEST);
qDebug() << "Loading quad (vertex shader)";
QOpenGLShader *vshader = new QOpenGLShader(QOpenGLShader::Vertex, this);
vshader->compileSourceFile(":/resources/plane.vert");
if (!vshader->log().isEmpty()) qDebug() << vshader->log();
else qDebug() << "done";
qDebug() << "Loading quad (fragment shader)";
QOpenGLShader *fshader = new QOpenGLShader(QOpenGLShader::Fragment, this);
fshader->compileSourceFile(":/resources/plane.frag");
if (!fshader->log().isEmpty()) qDebug() << fshader->log();
else qDebug() << "done";
qDebug() << "Loading quad (tessellation control shader)";
QOpenGLShader *tcshader = new QOpenGLShader(QOpenGLShader::TessellationControl, this);
tcshader->compileSourceFile(":/resources/plane.tcs.vert");
if (!tcshader->log().isEmpty()) qDebug() << tcshader->log();
else qDebug() << "done";
qDebug() << "Loading quad (tessellation evaluation shader)";
QOpenGLShader *teshader = new QOpenGLShader(QOpenGLShader::TessellationEvaluation, this);
teshader->compileSourceFile(":/resources/plane.tes.vert");
if (!teshader->log().isEmpty()) qDebug() << teshader->log();
else qDebug() << "done";
qDebug() << "Loading quad (geometry shader)";
QOpenGLShader *gshader = new QOpenGLShader(QOpenGLShader::Geometry, this);
QFile gFile(":/resources/plane.geom");
gFile.open(QFile::ReadOnly);
qDebug() << gFile.isOpen() << " File";
QTextStream in(&gFile);
QString preambule = "#version 400 core\n"
"layout(triangle_strip, max_vertices = 3) out;\n" ;
QString shaderCode = in.readAll();
gshader->compileSourceCode(preambule+shaderCode);
//gshader->compileSourceFile(in.readAll());
if (!gshader->log().isEmpty()) qDebug() << gshader->log();
else qDebug() << "done";
program = new QOpenGLShaderProgram(this);
program->addShader(vshader);
program->addShader(fshader);
program->addShader(tcshader);
program->addShader(teshader);
program->addShader(gshader);
program->bindAttributeLocation("FragColor",0);
program->bindAttributeLocation("FragNormal",1);
program->bindAttributeLocation("FragGlowColor",2);
program->bindAttributeLocation("FragPosition",3);
GLCHK(program->link());
GLCHK(program->bind());
program->setUniformValue("texDiffuse" , 0);
program->setUniformValue("texNormal" , 1);
program->setUniformValue("texSpecular" , 2);
program->setUniformValue("texHeight" , 3);
program->setUniformValue("texSSAO" , 4);
program->setUniformValue("texRoughness", 5);
program->setUniformValue("texMetallic", 6);
program->setUniformValue("texMaterial", 7);
program->setUniformValue("texDiffuseEnvMap", 8);
program->setUniformValue("texEnvMap" , 9);
// lines shader
qDebug() << "Compiling lines program...";
preambule = QString("#version 400 core\n")+
"layout(line_strip, max_vertices = 3) out;\n" ;
gshader->compileSourceCode(preambule+shaderCode);
line_program = new QOpenGLShaderProgram(this);
line_program->addShader(vshader);
line_program->addShader(fshader);
line_program->addShader(tcshader);
line_program->addShader(teshader);
line_program->addShader(gshader);
line_program->bindAttributeLocation("FragColor",0);
line_program->bindAttributeLocation("FragNormal",1);
line_program->bindAttributeLocation("FragGlowColor",2);
line_program->bindAttributeLocation("FragPosition",3);
GLCHK(line_program->link());
GLCHK(line_program->bind());
line_program->setUniformValue("texDiffuse" , 0);
line_program->setUniformValue("texNormal" , 1);
line_program->setUniformValue("texSpecular" , 2);
line_program->setUniformValue("texHeight" , 3);
line_program->setUniformValue("texSSAO" , 4);
line_program->setUniformValue("texRoughness", 5);
line_program->setUniformValue("texMetallic", 6);
line_program->setUniformValue("texMaterial", 7);
line_program->setUniformValue("texDiffuseEnvMap", 8);
line_program->setUniformValue("texEnvMap" , 9);
delete vshader;
delete fshader;
delete tcshader;
delete teshader;
delete gshader;
// loading sky box shader
qDebug() << "Loading skybox shader (vertex shader)";
vshader = new QOpenGLShader(QOpenGLShader::Vertex, this);
vshader->compileSourceFile(":/resources/skybox.vert.glsl");
if (!vshader->log().isEmpty()) qDebug() << vshader->log();
else qDebug() << "done";
qDebug() << "Loading skybox shader (fragment shader)";
fshader = new QOpenGLShader(QOpenGLShader::Fragment, this);
fshader->compileSourceFile(":/resources/skybox.frag.glsl");
if (!fshader->log().isEmpty()) qDebug() << fshader->log();
else qDebug() << "done";
skybox_program = new QOpenGLShaderProgram(this);
skybox_program->addShader(vshader);
skybox_program->addShader(fshader);
skybox_program->bindAttributeLocation("FragColor",0);
skybox_program->bindAttributeLocation("FragNormal",1);
skybox_program->bindAttributeLocation("FragGlowColor",2);
skybox_program->bindAttributeLocation("FragPosition",3);
GLCHK(skybox_program->link());
GLCHK(skybox_program->bind());
skybox_program->setUniformValue("texEnv" , 0);
// loading enviromental shader
qDebug() << "Loading enviromental shader (vertex shader)";
vshader = new QOpenGLShader(QOpenGLShader::Vertex, this);
vshader->compileSourceFile(":/resources/env.vert");
if (!vshader->log().isEmpty()) qDebug() << vshader->log();
else qDebug() << "done";
qDebug() << "Loading enviromental shader (geometry shader)";
gshader = new QOpenGLShader(QOpenGLShader::Geometry, this);
gshader->compileSourceFile(":/resources/env.geom");
if (!gshader->log().isEmpty()) qDebug() << gshader->log();
else qDebug() << "done";
qDebug() << "Loading enviromental shader (fragment shader)";
fshader = new QOpenGLShader(QOpenGLShader::Fragment, this);
fshader->compileSourceFile(":/resources/env.frag");
if (!fshader->log().isEmpty()) qDebug() << fshader->log();
else qDebug() << "done";
env_program = new QOpenGLShaderProgram(this);
env_program->addShader(vshader);
env_program->addShader(gshader);
env_program->addShader(fshader);
GLCHK(env_program->link());
GLCHK(env_program->bind());
env_program->setUniformValue("texEnv" , 0);
delete vshader;
delete fshader;
delete gshader;
// -------------------------------------------------
// Loading post processing filters
// -------------------------------------------------
qDebug() << "Loading post-processing shader (vertex shader)";
vshader = new QOpenGLShader(QOpenGLShader::Vertex, this);
vshader->compileSourceFile(":/resources/filters_3d.vert");
if (!vshader->log().isEmpty()) qDebug() << vshader->log();
else qDebug() << "done";
qDebug() << "Loading post-processing shader (fragment shader)";
fshader = new QOpenGLShader(QOpenGLShader::Fragment, this);
fshader->compileSourceFile(":/resources/filters_3d.frag");
if (!fshader->log().isEmpty()) qDebug() << fshader->log();
else qDebug() << "done";
filters_program = new QOpenGLShaderProgram(this);
filters_program->addShader(vshader);
filters_program->addShader(fshader);
filters_program->bindAttributeLocation("positionIn", 0);
GLCHK( filters_program->link() );
GLCHK( filters_program->bind() );
GLCHK( filters_program->setUniformValue("layerA" , 0) );
GLCHK( filters_program->setUniformValue("layerB" , 1) );
GLCHK( filters_program->setUniformValue("layerC" , 2) );
GLCHK( filters_program->setUniformValue("layerD" , 3) );
GLCHK( filters_program->setUniformValue("layerE" , 4) );
GLCHK( filters_program->setUniformValue("layerF" , 5) );
GLCHK( filters_program->setUniformValue("layerG" , 6) );
GLCHK( subroutines["mode_normal_filter"] = glGetSubroutineIndex(filters_program->programId(),GL_FRAGMENT_SHADER,"mode_normal_filter") );
GLCHK( subroutines["mode_gauss_filter"] = glGetSubroutineIndex(filters_program->programId(),GL_FRAGMENT_SHADER,"mode_gauss_filter") );
GLCHK( subroutines["mode_bloom_filter"] = glGetSubroutineIndex(filters_program->programId(),GL_FRAGMENT_SHADER,"mode_bloom_filter") );
GLCHK( subroutines["mode_dof_filter"] = glGetSubroutineIndex(filters_program->programId(),GL_FRAGMENT_SHADER,"mode_dof_filter") );
GLCHK( filters_program->release());
delete vshader;
delete fshader;
camera.position.setZ( -0 );
camera.toggleFreeCamera(false);
newCamera.toggleFreeCamera(false);
lightDirection.position.setZ(0);
lightDirection.toggleFreeCamera(false);
lightDirection.radius = 1;
mesh = new Mesh("Core/3D/","Cube.obj");
skybox_mesh = new Mesh("Core/3D/","sky_cube.obj");
env_mesh = new Mesh("Core/3D/","sky_cube_env.obj");
quad_mesh = new Mesh("Core/3D/","quad.obj");
m_prefiltered_env_map = new GLTextureCube(512);
resizeFBOs();
emit readyGL();
}