Unify texture configuration.

src/Texture.cpp

@@ -34,3 +34,18 @@ void Texture::bind(GLenum target) const
 {
     glBindTexture(target, id);
 }
+
+void Texture::configure(GLenum target) const
+{
+    bind(target);
+    const float color[] = {1, 0, 1}; // Background color for textures.
+
+    // Set up (lack of) repetition
+    glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_BORDER);
+    glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
+    glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, color);
+
+    // Set up texture scaling
+    glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); // Use mipmapping for scaling down
+    glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); // Use nearest pixel when scaling up.
+}