Load compute shader

QTProject/mainwidget.cpp

@@ -107,6 +107,7 @@ void MainWidget::initializeGL(){
     // Shader
     subdevisionShader = initShaderProgram();
 
+    subdivision->init();
     //loadNewMesh( "../Models/demon_head.3ds");
     loadNewMesh( "../Models/box.obj");
 }

QTProject/resources.qrc

@@ -5,5 +5,6 @@
         <file>subdivide.tcs</file>
         <file>subdivide.tes</file>
         <file>subdivide.vert</file>
+        <file>subdivision.compute</file>
     </qresource>
 </RCC>

QTProject/subdivision.compute

+#version 430
+
+layout (local_size_x = 1) in;
+void main() {
+}

QTProject/subdivision.cpp

@@ -7,6 +7,34 @@ Subdivision::Subdivision(QOpenGLFunctions_4_3_Core *f)
 
 Subdivision::~Subdivision()
 {
+    delete shader;
+}
+
+void Subdivision::init() {
+    shader = initComputeShaderProgram();
+}
+
+QOpenGLShaderProgram *Subdivision::initComputeShaderProgram(){
+    QString source = QLatin1String(":/subdivision.compute");
+
+    qDebug()<<"Compiling compute shader ...";
+    QOpenGLShader *computeShader = new QOpenGLShader(QOpenGLShader::Compute);
+    if(!computeShader->compileSourceFile(source)){
+        qCritical()<<"Compute Shader"<<source<<"failed"<<computeShader->log();
+        exit(5);
+    }
+
+    qDebug()<<"Adding compute shader ...";
+    QOpenGLShaderProgram *shader = new QOpenGLShaderProgram();
+    shader->addShader(computeShader);
+    qDebug()<<"Linking compute shader ...";
+    if(!shader->link()){
+        qCritical()<<"Linking compute shader failed:"<<shader->log();
+        exit(5);
+    }
+    qDebug()<<"Linking compute shader done";
+
+    return shader;
 }
 
 Mesh *Subdivision::subdivide(Mesh *mesh) {

QTProject/subdivision.h

@@ -12,11 +12,14 @@ public:
     Subdivision(QOpenGLFunctions_4_3_Core *f);
     ~Subdivision();
 
+    void init();
     Mesh *subdivide(Mesh *mesh);
 
 private:
     QOpenGLFunctions_4_3_Core *f;
+    QOpenGLShaderProgram *shader;
 
+    QOpenGLShaderProgram *initComputeShaderProgram();
     void precomputeTables(Mesh *mesh);
     void runShader(Mesh *mesh);
 };