Shader: strongly typed Type enum.

src/Shader.cpp

@@ -98,11 +98,11 @@ GLuint Shader::compile() {
         err << "Shader:";
 
         switch(_type) {
-            case Vertex:    err << "vertex";        break;
-            case Geometry:  err << "geometry";      break;
-            case Fragment:  err << "fragment";      break;
-            case TesselationControl: err << "tesselation control"; break;
-            case TesselationEvaluation: err << "tesselation evaluation"; break;
+            case Type::Vertex:      err << "vertex";        break;
+            case Type::Geometry:    err << "geometry";      break;
+            case Type::Fragment:    err << "fragment";      break;
+            case Type::TesselationControl: err << "tesselation control"; break;
+            case Type::TesselationEvaluation: err << "tesselation evaluation"; break;
         }
 
         /* Show error log and delete shader */

src/Shader.h

@@ -39,7 +39,7 @@ class MAGNUM_EXPORT Shader {
 
     public:
         /** @brief %Shader type */
-        enum Type {
+        enum class Type: GLenum {
             Vertex = GL_VERTEX_SHADER,      /**< Vertex shader */
 
             /**
@@ -121,7 +121,7 @@ class MAGNUM_EXPORT Shader {
          * @see fromData(), fromFile()
          */
         inline Shader(Type type): _type(type), _state(Initialized), shader(0) {
-            shader = glCreateShader(_type);
+            shader = glCreateShader(static_cast<GLenum>(_type));
         }
 
         /**

src/Shaders/PhongShader.cpp

@@ -23,8 +23,8 @@ namespace Magnum { namespace Shaders {
 
 PhongShader::PhongShader() {
     Resource rs("shaders");
-    attachShader(Shader::fromData(Shader::Vertex, rs.get("PhongShader.vert")));
-    attachShader(Shader::fromData(Shader::Fragment, rs.get("PhongShader.frag")));
+    attachShader(Shader::fromData(Shader::Type::Vertex, rs.get("PhongShader.vert")));
+    attachShader(Shader::fromData(Shader::Type::Fragment, rs.get("PhongShader.frag")));
 
     bindAttribute(Vertex::Location, "vertex");
     bindAttribute(Normal::Location, "normal");