com.sun.javafx.tk.quantum.PresentingPainter Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.javafx.tk.quantum;
import com.sun.javafx.logging.PulseLogger;
import static com.sun.javafx.logging.PulseLogger.PULSE_LOGGING_ENABLED;
import com.sun.prism.Graphics;
import com.sun.prism.GraphicsPipeline;
import com.sun.prism.impl.Disposer;
/**
* The PresentingPainter is used when we are rendering to the main screen.
* UploadingPainter is used when we need to render into an offscreen buffer.
*/
final class PresentingPainter extends ViewPainter {
PresentingPainter(ViewScene view) {
super(view);
}
@Override public void run() {
renderLock.lock();
boolean locked = false;
boolean valid = false;
boolean errored = false;
try {
valid = validateStageGraphics();
if (!valid) {
if (QuantumToolkit.verbose) {
System.err.println("PresentingPainter: validateStageGraphics failed");
}
paintImpl(null);
return;
}
/*
* As Glass is responsible for creating the rendering contexts,
* locking should be done prior to the Prism calls.
*/
sceneState.lock();
locked = true;
if (factory == null) {
factory = GraphicsPipeline.getDefaultResourceFactory();
}
if (factory == null || !factory.isDeviceReady()) {
sceneState.getScene().entireSceneNeedsRepaint();
return;
}
if (presentable != null && presentable.lockResources(sceneState)) {
disposePresentable();
}
if (presentable == null) {
presentable = factory.createPresentable(sceneState);
penWidth = viewWidth;
penHeight = viewHeight;
freshBackBuffer = true;
}
if (presentable != null) {
Graphics g = presentable.createGraphics();
ViewScene vs = (ViewScene) sceneState.getScene();
if (g != null) {
paintImpl(g);
freshBackBuffer = false;
}
if (PULSE_LOGGING_ENABLED) {
PulseLogger.newPhase("Presenting");
}
if (!presentable.prepare(null)) {
disposePresentable();
sceneState.getScene().entireSceneNeedsRepaint();
return;
}
/* present for vsync buffer swap */
if (vs.getDoPresent()) {
if (!presentable.present()) {
disposePresentable();
sceneState.getScene().entireSceneNeedsRepaint();
}
}
}
} catch (Throwable th) {
errored = true;
th.printStackTrace(System.err);
} finally {
Disposer.cleanUp();
if (locked) {
sceneState.unlock();
}
ViewScene viewScene = (ViewScene)sceneState.getScene();
viewScene.setPainting(false);
if (factory != null) {
factory.getTextureResourcePool().freeDisposalRequestedAndCheckResources(errored);
}
renderLock.unlock();
}
}
}