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This is a backport of OpenJFX 8 to run on Java 7.
The newest version!
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.prism.es2;
import com.sun.prism.impl.PrismSettings;
import com.sun.javafx.PlatformUtil;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.HashMap;
abstract class GLFactory {
private static native boolean
nIsGLExtensionSupported(long nativeContextObject, String glExtStr);
private static native String nGetGLVendor(long nativeCtxInfo);
private static native String nGetGLRenderer(long nativeCtxInfo);
private static native String nGetGLVersion(long nativeCtxInfo);
private static final GLFactory platformFactory;
/* Note: We are only storing the string information of a driver in this
* object. We are assuming a system with a single or homogeneous GPUs.
* For the case of heterogeneous GPUs system the string information
* will need to move to GLContext class. */
long nativeCtxInfo;
boolean gl2 = false;
private GLContext shareCtx = null;
/**
* Creates a new GLFactory instance. End users do not need
* to call this method.
*/
GLFactory() {
}
/**
* Instantiate singleton factories if available, the OS native ones.
*/
static {
final String factoryClassName;
if (PlatformUtil.isUnix()) {
if ("eglx11".equals(PlatformUtil.getEmbeddedType()))
factoryClassName = "com.sun.prism.es2.EGLX11GLFactory";
else if ("eglfb".equals(PlatformUtil.getEmbeddedType()))
factoryClassName = "com.sun.prism.es2.EGLFBGLFactory";
else
factoryClassName = "com.sun.prism.es2.X11GLFactory";
} else if (PlatformUtil.isWindows()) {
factoryClassName = "com.sun.prism.es2.WinGLFactory";
} else if (PlatformUtil.isMac()) {
factoryClassName = "com.sun.prism.es2.MacGLFactory";
} else if (PlatformUtil.isIOS()) {
factoryClassName = "com.sun.prism.es2.IOSGLFactory";
} else if (PlatformUtil.isAndroid()) {
if ("eglfb".equals(PlatformUtil.getEmbeddedType())) {
factoryClassName = "com.sun.prism.es2.EGLFBGLFactory";
} else {
factoryClassName = null;
System.err.println("GLFactory.static - Only eglfb supported for Android!");
}
} else {
factoryClassName = null;
System.err.println("GLFactory.static - No Platform Factory for: " + System.getProperty("os.name"));
}
if (PrismSettings.verbose) {
System.out.println("GLFactory using " + factoryClassName);
}
platformFactory = factoryClassName == null ? null :
AccessController.doPrivileged(new FactoryLoader(factoryClassName));
}
private static class FactoryLoader implements PrivilegedAction {
private final String factoryClassName;
FactoryLoader(String factoryClassName) {
this.factoryClassName = factoryClassName;
}
public GLFactory run() {
GLFactory factory = null;
try {
factory = (GLFactory) Class.forName(factoryClassName).newInstance();
} catch (Throwable t) {
System.err.println("GLFactory.static - Platform: "
+ System.getProperty("os.name")
+ " - not available: "
+ factoryClassName);
t.printStackTrace();
}
return factory;
}
}
/**
* Returns the sole GLFactory instance.
*/
static GLFactory getFactory() throws RuntimeException {
if (null != platformFactory) {
return platformFactory;
}
throw new RuntimeException("No native platform GLFactory available.");
}
// Consists of a list of prequalifying GPUs that we may use for the es2 pipe.
// A null preQualificationFilter implies we may consider any GPU
abstract GLGPUInfo[] getPreQualificationFilter();
// Consists of a list of GPUs that we will block from using the es2 pipe.
abstract GLGPUInfo[] getBlackList();
private static GLGPUInfo readGPUInfo(long nativeCtxInfo) {
String glVendor = nGetGLVendor(nativeCtxInfo);
String glRenderer = nGetGLRenderer(nativeCtxInfo);
return new GLGPUInfo(glVendor.toLowerCase(),
glRenderer.toLowerCase());
}
private static boolean matches(GLGPUInfo gpuInfo, GLGPUInfo[] gpuInfoArr) {
if (gpuInfoArr != null) {
for (int i = 0; i < gpuInfoArr.length; i++) {
if (gpuInfo.matches(gpuInfoArr[i])) {
return true;
}
}
}
return false;
}
private boolean inPreQualificationFilter(GLGPUInfo gpuInfo) {
GLGPUInfo[] preQualificationFilter = getPreQualificationFilter();
if (preQualificationFilter == null) {
// We will consider any GPU if preQualificationFilter is null
return true;
}
return matches(gpuInfo, preQualificationFilter);
}
private boolean inBlackList(GLGPUInfo gpuInfo) {
return matches(gpuInfo, getBlackList());
}
boolean isQualified(long nativeCtxInfo) {
// Read the GPU (graphics hardware) information and qualifying it by
// checking against the preQualificationFilter and the "blocking"
// blackLis.
GLGPUInfo gpuInfo = readGPUInfo(nativeCtxInfo);
if (gpuInfo.vendor == null || gpuInfo.model == null
|| gpuInfo.vendor.contains("unknown")
|| gpuInfo.model.contains("unknown")) {
// Return false if we can't determine the vendor and model of the
// gpu installed on the system
return false;
}
return inPreQualificationFilter(gpuInfo) && !inBlackList(gpuInfo);
}
abstract GLContext createGLContext(long nativeCtxInfo);
abstract GLContext createGLContext(GLDrawable drawable,
GLPixelFormat pixelFormat, GLContext shareCtx, boolean vSyncRequest);
abstract GLDrawable createGLDrawable(long nativeWindow, GLPixelFormat pixelFormat);
abstract GLDrawable createDummyGLDrawable(GLPixelFormat pixelFormat);
abstract GLPixelFormat createGLPixelFormat(long nativeScreen, GLPixelFormat.Attributes attrs);
boolean isGLGPUQualify() {
return isQualified(nativeCtxInfo);
}
abstract boolean initialize(Class psClass, GLPixelFormat.Attributes attrs);
GLContext getShareContext() {
if (shareCtx == null) {
shareCtx = createGLContext(nativeCtxInfo);
}
return shareCtx;
}
// Returns true if this pipe supports GL2 profile, false for GLES2
boolean isGL2() {
return gl2;
}
boolean isGLExtensionSupported(String sglExtStr) {
return nIsGLExtensionSupported(nativeCtxInfo, sglExtStr);
}
abstract int getAdapterCount();
abstract int getAdapterOrdinal(long nativeScreen);
abstract void updateDeviceDetails(HashMap deviceDetails);
// JIRA: RT-21739
// TODO: This is a temporary mechanism to work well with Glass on Mac due
// to the CALayer work. Need to be removed in the early future for 3.0
void updateDeviceDetails(HashMap deviceDetails, GLContext glContext) {
// NOP for all platforms except for Mac which will override it in its
// platform specific implementation code
}
void printDriverInformation(int adapter) {
/* We are assuming a system with a single or homogeneous GPUs. */
System.out.println("Graphics Vendor: " + nGetGLVendor(nativeCtxInfo));
System.out.println(" Renderer: " + nGetGLRenderer(nativeCtxInfo));
System.out.println(" Version: " + nGetGLVersion(nativeCtxInfo));
}
}