Graph: Font: Add equals() + hash() API doc; GraphUI's Label*.setText(): Only modify values if text and/or font differs, skipping markShapeDirty() saves performance.

3 files changed, 38 insertions, 15 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
index f9a333fc4..c1ef5f7fd 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
@@ -179,6 +179,7 @@ public class GPUUISceneGLListener0A implements GLEventListener {
             throw new RuntimeException(ioe);
         }
         sceneUIController = new SceneUIController(sceneDist, zNear, zFar);
+        // sceneUIController.setSampleCount(3); // easy on embedded devices w/ just 3 samples (default is 4)?
         screenshot = new GLReadBufferUtil(false, false);
     }
 
@@ -929,7 +930,7 @@ public class GPUUISceneGLListener0A implements GLEventListener {
             if( null != animator ) {
                 lfps = animator.getLastFPS();
                 tfps = animator.getTotalFPS();
-                td = animator.getTotalFPSDuration()/1000f;
+                td = (float)animator.getLastFPSPeriod() / (float)animator.getUpdateFPSFrames();
             } else {
                 lfps = 0f;
                 tfps = 0f;
@@ -938,16 +939,18 @@ public class GPUUISceneGLListener0A implements GLEventListener {
             final String modeS = Region.getRenderModeString(renderModes);
             final String text;
             if( null == actionText ) {
-                text = String.format("%03.1f/%03.1f fps, v-sync %d, dpi %.1f, %s-samples %d, q %d, td %.0f, blend %b, alpha %d, msaa %d",
-                        lfps, tfps, gl.getSwapInterval(), dpiH, modeS, sceneUIController.getSampleCount(), fpsLabel.getQuality(), td,
+                text = String.format("%03.1f/%03.1f fps, %.1f ms/f, v-sync %d, dpi %.1f, %s-samples %d, q %d, msaa %d, blend %b, alpha %d",
+                        lfps, tfps, td, gl.getSwapInterval(), dpiH, modeS, sceneUIController.getSampleCount(), fpsLabel.getQuality(),
+                        drawable.getChosenGLCapabilities().getNumSamples(),
                         renderer.getRenderState().isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED),
-                        drawable.getChosenGLCapabilities().getAlphaBits(),
-                        drawable.getChosenGLCapabilities().getNumSamples());
+                        drawable.getChosenGLCapabilities().getAlphaBits());
             } else {
                 text = String.format("%03.1f/%03.1f fps, v-sync %d, %s",
                         lfps, tfps, gl.getSwapInterval(), actionText);
             }
-            fpsLabel.setText(text);
+            if( fpsLabel.setText(text) ) { // marks dirty only if text differs.
+                System.err.println(text);
+            }
         }
         sceneUIController.display(drawable);
     }
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/Label.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/Label.java
index c4c450763..d64b9a731 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/Label.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/Label.java
@@ -52,18 +52,36 @@ public class Label extends UIShape {
         return text;
     }
 
-    public void setText(final String text) {
-        this.text = text;
-        markShapeDirty();
+    /**
+     * Returns true if text has been updated, false if unchanged.
+     * @param text the text to be set.
+     */
+    public boolean setText(final String text) {
+        if( !this.text.equals(text) ) {
+            this.text = text;
+            markShapeDirty();
+            return true;
+        } else {
+            return false;
+        }
     }
 
     public Font getFont() {
         return font;
     }
 
-    public void setFont(final Font font) {
-        this.font = font;
-        markShapeDirty();
+    /**
+     * Returns true if font has been updated, false if unchanged.
+     * @param font the font to be set.
+     */
+    public boolean setFont(final Font font) {
+        if( !this.font.equals(font) ) {
+            this.font = font;
+            markShapeDirty();
+            return true;
+        } else {
+            return false;
+        }
     }
 
     public float getPixelSize() {
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/LabelButton.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/LabelButton.java
index 6a3637e4a..8a357c8a6 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/LabelButton.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/ui/LabelButton.java
@@ -165,9 +165,11 @@ public class LabelButton extends RoundButton {
     }
 
     public final void setLabelText(final Font labelFont, final String labelText) {
-        label.setFont(labelFont);
-        label.setText(labelText);
-        markShapeDirty();
+        if( !label.getText().equals(labelText) || !label.getFont().equals(labelFont) ) {
+            label.setFont(labelFont);
+            label.setText(labelText);
+            markShapeDirty();
+        }
     }
 
     @Override