refactoring, renaming and commenting

src/nanovg/nanovg-demo.cpp

@@ -216,7 +216,7 @@ int main(int argc, char **argv) {
         //Transfer buffer ownership back to OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
+        //If x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 

src/optflow/optflow-demo.cpp

@@ -250,7 +250,7 @@ int main(int argc, char **argv) {
         cv::cvtColor(frameBuffer, videoFrame, cv::COLOR_BGRA2RGB);
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
+        //If x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 

src/tetra/tetra-demo.cpp

@@ -128,7 +128,7 @@ int main(int argc, char **argv) {
         //Release the frame buffer for use by OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
+        //If x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 

src/video/video-demo.cpp

@@ -167,7 +167,7 @@ int main(int argc, char **argv) {
         //Release the frame buffer for use by OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
+        //If x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;