use qresources for shaders

CMakeLists.txt

@@ -17,7 +17,7 @@ find_package(Qt6 COMPONENTS
 
 file(GLOB_RECURSE SOURCE_FILES src/**.cpp)
 file(GLOB_RECURSE HEADER_FILES headers/**.h)
-add_executable(Mandelbrot ${SOURCE_FILES} ${HEADER_FILES})
+add_executable(Mandelbrot ${SOURCE_FILES} ${HEADER_FILES} shaders.qrc)
 
 target_link_libraries(Mandelbrot
         Qt::Core

shaders.qrc

@@ -0,0 +1,6 @@
+<RCC>
+    <qresource>
+        <file>Vertex.glsl</file>
+        <file>Fragment.glsl</file>
+    </qresource>
+</RCC>

src/Mandelbrot.cpp

@@ -29,8 +29,8 @@ void Mandelbrot::toggleAnimation() {
 }
 
 bool Mandelbrot::initShader() {
-	if (!shader.addShaderFromSourceFile(QOpenGLShader::Vertex, "Vertex.glsl")) return false;
-	if (!shader.addShaderFromSourceFile(QOpenGLShader::Fragment, "Fragment.glsl")) return false;
+	if (!shader.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/Vertex.glsl")) return false;
+	if (!shader.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/Fragment.glsl")) return false;
 	if (!shader.link()) return false;
 	if (!shader.bind()) return false;
 	return true;