From bba73bc096250a3c7fc036d84b1ea054d1b70b06 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Sun, 23 Jun 2019 08:03:04 +0200
Subject: iOS: Initial working commit supporting iOS (ipad pro 11)

using our OpenJFK 9 x86_64 and arm64 build.

Test demo class is 'com.jogamp.opengl.demos.ios.Hello',
residing in the new demo folder 'src/demos/com/jogamp/opengl/demos/ios/Hello.java'.

This commit does not yet include a working NEWT
specialization for iOS, but it shall followup soon.

Instead this commit demonstrates JOGL operating on
native UIWindow, UIView and CAEAGLLayer as provided by
Nativewindow's IOSUtil.

Test Video https://www.youtube.com/watch?v=Z4lUQNFTGMI

+++

Notable bug: The FBO used and sharing the COLORBUFFER RENDERBUFFER
memory resources with CAEAGLLayer to be displayed in the UIView
seemingly cannot handle GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24
or GL_DEPTH_COMPONENT32 depth buffer - none at all (Device + Simulation).

Therefor the default demo GLEventListener chosen here
don't require a depth buffer ;-)

This issue can hopefully be mitigated with other means
than using a flat FBO sink similar to FBO multisampling.
---
 .../ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java  | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 src/jogl/classes/jogamp/opengl/ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java

(limited to 'src/jogl/classes/jogamp/opengl/ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java')

diff --git a/src/jogl/classes/jogamp/opengl/ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java
new file mode 100644
index 000000000..c418cd682
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/ios/eagl/IOSEAGLDynamicLibraryBundleInfo.java
@@ -0,0 +1,83 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package jogamp.opengl.ios.eagl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import jogamp.opengl.GLDynamicLibraryBundleInfo;
+
+public final class IOSEAGLDynamicLibraryBundleInfo extends GLDynamicLibraryBundleInfo  {
+    private static final List<String> glueLibNames;
+    static {
+        glueLibNames = new ArrayList<String>();
+        glueLibNames.add("jogl_mobile");
+    }
+    protected IOSEAGLDynamicLibraryBundleInfo() {
+        super();
+    }
+
+    @Override
+    public boolean shallLookupGlobal() { return true; }
+
+    @Override
+    public final List<List<String>> getToolLibNames() {
+        final List<List<String>> libsList = new ArrayList<List<String>>();
+        final List<String> libsGL = new ArrayList<String>();
+        libsGL.add("OpenGLES"); // actually used '/Library/Frameworks/OpenGLES.framework/OpenGLES'
+        libsList.add(libsGL);
+        return libsList;
+    }
+
+    @Override
+    public final List<String> getToolGetProcAddressFuncNameList() {
+        return null;
+        /** OSX manual says: NSImage use is discouraged
+        List res = new ArrayList();
+        res.add("GetProcAddress"); // dummy
+        return res; */
+    }
+
+    @Override
+    public final long toolGetProcAddress(final long toolGetProcAddressHandle, final String funcName) {
+        // return EAGL.getProcAddress(funcName);
+        return 0;
+    }
+
+    @Override
+    public final List<String> getGlueLibNames() {
+        return glueLibNames;
+    }
+
+    @Override
+    public boolean useToolGetProcAdressFirst(final String funcName) {
+        return true;
+    }
+}
+
-- 
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