Work on Texture class

src/meshrenderer.cpp

@@ -29,9 +29,6 @@ MeshRenderer::MeshRenderer(const char * name, const ShapeBase & shape)
 
 MeshRenderer::~MeshRenderer()
 {
-  if (mHasTexture) {
-    mTexture->destroy();
-  }
   sInstances.remove(mName);
 }
 
@@ -96,8 +93,8 @@ void MeshRenderer::draw()
   mProgram.bind();
   mVAO.bind();
 
-  if(mHasTexture) {
-    mTexture->bind();
+  if(mTexture.hasTexture()) {
+    mTexture.getOpenGLTexture().bind();
   }
 
   // TODO: Automate uniforms some other way
@@ -112,8 +109,8 @@ void MeshRenderer::draw()
                    GL_UNSIGNED_INT, mShape.mIndices.data());
   }
 
-  if(mHasTexture) {
-    mTexture->release();
+  if(mTexture.hasTexture()) {
+    mTexture.getOpenGLTexture().release();
   }
 
   mVAO.release();
@@ -148,18 +145,6 @@ void MeshRenderer::setColor(const QVector3D & color)
   }
 }
 
-void MeshRenderer::setTexture(const char * path)
-{
-  mTexture = new QOpenGLTexture(*OpenGLTextureFactory::initImage(path));
-  mHasTexture = true;
-}
-
-void MeshRenderer::setTexture(QOpenGLTexture * texture)
-{
-  mTexture = texture;
-  mHasTexture = true;
-}
-
 
 /*******************************************************************************
  * Inherited Virtual Member Functions

src/meshrenderer.h

@@ -55,11 +55,6 @@ public:
   void setUniformMVP(const char * model="uModel", const char * view="uView",
                      const char * projection="uProjection");
 
-  // Sets the texture to the image at the given path
-  // + Sets mHasTexture to enable texture binding in draw()
-  void setTexture(const char * path);
-  void setTexture(QOpenGLTexture * texture);
-
   // These functions modify data stored in a VBO
   // + After calling them, the VBO will need to be reallocated
   void setShape(const Shape & value) override;

src/model.cpp

@@ -390,12 +390,13 @@ ModelMesh::Textures Model::loadMaterialTextures(
 void Model::sortModels()
 {
   auto cameraPos = Scene::Camera().transform();
-  auto cameraDistance = [&cameraPos](const ModelMesh &a, const ModelMesh &b)
-  {
-    // Sort by the first vertex position, since all transforms will be the same
-    return (cameraPos.getTranslation().distanceToPoint(a.mVertices[0].mPosition))
-           < (cameraPos.getTranslation().distanceToPoint(b.mVertices[0].mPosition));
-  };
+  auto cameraDistance =
+      [&cameraPos](const ModelMesh &a, const ModelMesh &b)
+      {
+        // Sort by the first vertex position in the model
+        return (cameraPos.getTranslation().distanceToPoint(a.mVertices[0].mPosition))
+               < (cameraPos.getTranslation().distanceToPoint(b.mVertices[0].mPosition));
+      };
   std::sort(mMeshes.begin(), mMeshes.end(), cameraDistance);
 }
 

src/object.h

@@ -14,6 +14,7 @@
 #include <QOpenGLVertexArrayObject>
 
 #include <mesh.h>
+#include <texture.h>
 
 
 class Object : public QObject {
@@ -32,15 +33,12 @@ public:
 
   ~Object() {}
 
-  // Look to MeshRenderer for wrapped texture functionality
-  // + Object only exposes a QOpenGLTexture object with no wrapped features
-  inline QOpenGLTexture & texture() const { return *mTexture;}
-  // These custom types are wrapped for Qtk
   inline const Colors & getColors() { return mShape.mColors;}
   inline const Indices & getIndexData() { return mShape.mIndices;}
   inline const Normals & getNormals() { return mShape.mNormals;}
   inline const Shape & getShape() { return mShape;}
   inline const TexCoords & getTexCoords() { return mShape.mTexCoords;}
+  inline Texture & getTexture() { return mTexture;}
   inline const Vertices & getVertices() { return mShape.mVertices;}
 
   virtual inline void setColors(const Colors & value) { mShape.mColors = value;}
@@ -48,8 +46,10 @@ public:
   virtual inline void setNormals(const Normals & value) { mShape.mNormals = value;}
   virtual inline void setShape(const Shape & value) { mShape = value;}
   virtual inline void setTexCoords(const TexCoords & value) { mShape.mTexCoords = value;}
+  virtual inline void setTexture(const char * path, bool flipX=false, bool flipY=false)
+  { mTexture.setTexture(OpenGLTextureFactory::initTexture2D(path, flipX, flipY));}
+  virtual inline void setTexture(QOpenGLTexture * value) { mTexture.setTexture(value);}
   virtual inline void setVertices(const Vertices & value) { mShape.mVertices = value;}
-  // To set mTexture use the accessor and QOpenGLTexture API
 
   QOpenGLBuffer mVBO, mNBO;
   QOpenGLVertexArrayObject mVAO;
@@ -57,10 +57,9 @@ public:
 
   Transform3D mTransform;
   Shape mShape;
+  Texture mTexture;
 
   const char * mName;
-private:
-  QOpenGLTexture * mTexture;
 };
 
 #endif // QTK_OBJECT_H

src/scene.cpp

@@ -196,8 +196,7 @@ void Scene::init()
   mMeshes.back()->init();
 
   mModels.push_back(
-      new Model("alienTest",
-                "../resources/models/alien-hominid/alien.obj",
+      new Model("alienTest", "../resources/models/alien-hominid/alien.obj",
                 ":/model-specular.vert", ":/model-specular.frag"));
   mModels.back()->mTransform.setTranslation(3.0f, -1.0f, 10.0f);
   mModels.back()->mTransform.scale(0.15f);
@@ -224,8 +223,7 @@ void Scene::init()
   mMeshes.back()->init();
 
   mModels.push_back(
-      new Model("spartanTest",
-                "../resources/models/spartan/spartan.obj",
+      new Model("spartanTest", "../resources/models/spartan/spartan.obj",
                 ":/model-normals.vert", ":/model-normals.frag"));
   mModels.back()->mTransform.setTranslation(0.0f, -1.0f, 10.0f);
   mModels.back()->mTransform.scale(2.0f);
@@ -516,7 +514,7 @@ void Scene::init()
   mMeshes.back()->init();
   mMeshes.back()->mProgram.bind();
 
-  mMeshes.back()->setTexture(OpenGLTextureFactory::initTexture2D(":/crate.png"));
+  mMeshes.back()->setTexture(":/crate.png");
   mMeshes.back()->setUniform("uTexture", 0);
 
   mMeshes.back()->mVAO.bind();
@@ -542,7 +540,8 @@ void Scene::init()
   mMeshes.back()->init();
   mMeshes.back()->mProgram.bind();
 
-  mMeshes.back()->setTexture(OpenGLTextureFactory::initTexture2D(":/crate.png"));
+//  mMeshes.back()->setTexture(OpenGLTextureFactory::initTexture2D(":/crate.png"));
+  mMeshes.back()->mTexture.setTexture(":/crate.png");
   mMeshes.back()->setUniform("uTexture", 0);
 
   mMeshes.back()->mVAO.bind();

src/texture.h

@@ -11,10 +11,9 @@
 
 #include <QOpenGLTexture>
 
-
 class OpenGLTextureFactory {
 public:
-  ~OpenGLTextureFactory() {}
+  ~OpenGLTextureFactory() = default;
 
   // QImage
   static QImage * initImage(const char * image,
@@ -36,7 +35,34 @@ public:
 
 private:
   // Private ctor to prevent creating instances of this class
-  OpenGLTextureFactory() {}
+  OpenGLTextureFactory() = default;
 };
 
+class Texture {
+public:
+  Texture() = default;
+  Texture(const Texture & value) = delete;
+//  Texture(const Texture & value) {
+//    mOpenGLTexture = OpenGLTextureFactory::initTexture2D(value.mPath);
+//    mPath = value.mPath;
+//  }
+  explicit Texture(const char * path, bool flipX=false, bool flipY=false) :
+    mOpenGLTexture(OpenGLTextureFactory::initTexture2D(path, flipX, flipY)),
+    mPath(path) { }
+//  explicit Texture(QOpenGLTexture * texture) : mOpenGLTexture(texture) { }
+  ~Texture() { mOpenGLTexture->destroy();}
+
+  inline QOpenGLTexture & getOpenGLTexture() { return *mOpenGLTexture;}
+
+  void setTexture(const char * path, bool flipX=false, bool flipY=false)
+  { mOpenGLTexture = OpenGLTextureFactory::initTexture2D(path, flipX, flipY);}
+  inline void setTexture(QOpenGLTexture * texture) { mOpenGLTexture = texture;}
+
+  inline bool hasTexture() const { return mOpenGLTexture != Q_NULLPTR;}
+
+  QOpenGLTexture * mOpenGLTexture = Q_NULLPTR;
+  const char * mPath;
+};
+
+
 #endif // QTOPENGL_TEXTURE_H