void GLLinesShader::init()
{
addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/simple.vs");
addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/simple.fs");
link();
bind();
}
/**
* Set a Vertex-/FragmentShader pair from file
* @param filenameVertex path to the vertexshader
* @param filenameFragment path to the fragmentshader
*/
bool SciIllLib::CGLShaderProgram::addShadersFromSourceFile(std::string filenameVertex, std::string filenameFragment)
{
return
addShaderFromSourceFile(GL_VERTEX_SHADER, filenameVertex.c_str())
&&
addShaderFromSourceFile(GL_FRAGMENT_SHADER, filenameFragment.c_str());
}
/**
* Set a Vertex-/FragmentShader pair from file
* @param filenameVertex path to the vertexshader
* @param filenameFragment path to the fragmentshader
*/
bool SciIllLib::CGLShaderProgram::addShadersFromSourceFile(const char* filenameVertex, const char* filenameFragment)
{
return
addShaderFromSourceFile(GL_VERTEX_SHADER, filenameVertex)
&&
addShaderFromSourceFile(GL_FRAGMENT_SHADER, filenameFragment);
}
void Painter::initializeShaderPrograms()
{
auto gemProgram = new QOpenGLShaderProgram(this);
gemProgram->addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shader/gem.vert");
gemProgram->addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shader/gem.frag");
if (!gemProgram->link()) {
qDebug() << "Gem: Link failed";
}
gemProgram->bindAttributeLocation("a_vertex", 0);
gemProgram->bindAttributeLocation("a_normal", 1);
auto lightRayProgram = new QOpenGLShaderProgram(this);
lightRayProgram->addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shader/lightray.vert");
lightRayProgram->addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shader/lightray.frag");
if (!lightRayProgram->link()) {
qDebug() << "LightRay: Link failed";
}
lightRayProgram->bindAttributeLocation("a_vertex", 0);
lightRayProgram->bindAttributeLocation("a_color", 1);
m_shaderPrograms->insert(ShaderPrograms::GemProgram, gemProgram);
m_shaderPrograms->insert(ShaderPrograms::LighRayProgram, lightRayProgram);
auto sceneProgram = new QOpenGLShaderProgram(this);
sceneProgram->addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shader/scene.vert");
sceneProgram->addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shader/scene.frag");
if (!sceneProgram->link()) {
qDebug() << "Scene: Link failed";
}
sceneProgram->bindAttributeLocation("a_vertex", 0);
m_shaderPrograms->insert(ShaderPrograms::SceneProgram, sceneProgram);
}
void ErrorShader::construct()
{
addShaderFileWithCommonHeaders(QOpenGLShader::Vertex, ":/model/shaders/errorshader.vert");
addShaderFromSourceFile(QOpenGLShader::Fragment, ":/model/shaders/errorshader.frag");
link();
}
/**
* Add a Vertex- / Fragment or a GeometryShader from file
* @param type Type of shader - GL_VERTEX_SHADER, GL_FRAGMENT_SHADER or GL_GEOMETRY_SHADER
* @param filename filename of the shader to be loaded
*/
bool SciIllLib::CGLShaderProgram::addShaderFromSourceFile(GLenum type, std::string filename)
{
return addShaderFromSourceFile(type, filename.c_str());
}
