void QGLRenderThread::LoadShader(QString vshader, QString fshader, QString gshader)
{
if(ShaderProgram)
{
ShaderProgram->release();
ShaderProgram->removeAllShaders();
}
else ShaderProgram = new QGLShaderProgram;
if(VertexShader)
{
delete VertexShader;
VertexShader = NULL;
}
if(FragmentShader)
{
delete FragmentShader;
FragmentShader = NULL;
}
if(GeometryShader)
{
delete GeometryShader;
GeometryShader = NULL;
}
// load and compile vertex shader
QFileInfo vsh(vshader);
if(vsh.exists())
{
VertexShader = new QGLShader(QGLShader::Vertex);
if(VertexShader->compileSourceFile(vshader))
ShaderProgram->addShader(VertexShader);
else qWarning() << "Vertex Shader Error" << VertexShader->log();
}
else qWarning() << "Vertex Shader source file " << vshader << " not found.";
// load and compile fragment shader
QFileInfo gsh(gshader);
if(gsh.exists())
{
GeometryShader = new QGLShader(QGLShader::Geometry);
if(GeometryShader->compileSourceFile(gshader))
ShaderProgram->addShader(GeometryShader);
else qWarning() << "Geometry Shader Error" << GeometryShader->log();
}
else qWarning() << "Geometry Shader source file " << gshader << " not found.";
// load and compile fragment shader
QFileInfo fsh(fshader);
if(fsh.exists())
{
FragmentShader = new QGLShader( QGLShader::Fragment);
if(FragmentShader->compileSourceFile(fshader))
ShaderProgram->addShader(FragmentShader);
else qWarning() << "Fragment Shader Error" << FragmentShader->log();
}
else qWarning() << "Fragment Shader source file " << fshader << " not found.";
if(!ShaderProgram->link())
{
qWarning() << "Shader Program Linker Error" << ShaderProgram->log();
}
else ShaderProgram->bind();
}
void GLWidgetContext::loadShaders(QString vstring, QString fstring, QString tcstring, QString testring, QString gstring, QOpenGLShader *vshader, QOpenGLShader *fshader, QOpenGLShader *tcshader, QOpenGLShader *teshader, QOpenGLShader *gshader, QOpenGLShaderProgram *prog)
{
QFileInfo vsh(vstring);
if (vsh.exists()) {
vshader = new QOpenGLShader(QOpenGLShader::Vertex);
if (vshader->compileSourceFile(vstring)) {
prog->addShader(vshader);
} else {
qWarning() << "Vertex shader error" << vshader->log();
}
} else {
qWarning() << "Vertex shader source file " << vstring << " not found.";
}
QFileInfo fsh(fstring);
if (fsh.exists()) {
fshader = new QOpenGLShader(QOpenGLShader::Fragment);
if (fshader->compileSourceFile(fstring)) {
prog->addShader(fshader);
} else {
qWarning() << "Fragment shader error" << fshader->log();
}
} else {
qWarning() << "Fragment shader source file " << fstring << " not found.";
}
QFileInfo tcsh(tcstring);
if (tcsh.exists()) {
tcshader = new QOpenGLShader(QOpenGLShader::TessellationControl);
if (tcshader->compileSourceFile(tcstring)) {
prog->addShader(tcshader);
} else {
qWarning() << "Tessellation control shader error" << tcshader->log();
}
} else {
qWarning() << "Tesselation control source file " << tcstring << " not found.";
}
QFileInfo tesh(testring);
if (tesh.exists()) {
teshader = new QOpenGLShader(QOpenGLShader::TessellationEvaluation);
if (teshader->compileSourceFile(testring)) {
prog->addShader(teshader);
} else {
qWarning() << "Tessellation evaluation shader error" << teshader->log();
}
} else {
qWarning() << "Tesselation evaluation source file " << testring << " not found.";
}
QFileInfo gsh(gstring);
if (gsh.exists()) {
gshader = new QOpenGLShader(QOpenGLShader::Geometry);
if (gshader->compileSourceFile(gstring)) {
prog->addShader(gshader);
} else {
qWarning() << "Geometry shader error" << gshader->log();
}
} else {
qWarning() << "Geometry evaluation source file " << gstring << " not found.";
}
prog->link();
}
