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.

1 files changed, 53 insertions, 5 deletions

diff --git a/make/build-newt.xml b/make/build-newt.xml
index d0dfdcf32..6c2defaca 100644
--- a/make/build-newt.xml
+++ b/make/build-newt.xml
@@ -79,6 +79,7 @@
             <and>
                 <isfalse value="${isWindows}" />
                 <isfalse value="${isOSX}" />
+                <isfalse value="${isIOS}" />
                 <isfalse value="${isX11}" />
                 <isfalse value="${isAndroid}" />
                 <isfalse value="${setup.addNativeKD}" />
@@ -90,6 +91,7 @@
         <echo message="setup.noOpenGL: ${setup.noOpenGL}" />
         <echo message="isWindows: ${isWindows}" />
         <echo message="isOSX: ${isOSX}" />
+        <echo message="isIOS: ${isIOS}" />
         <echo message="isX11: ${isX11}" />
         <echo message="isAndroid: ${isAndroid}" />
         <echo message="setup.addNativeKD: ${setup.addNativeKD}" />
@@ -132,6 +134,9 @@
         <property name="java.part.driver.macosx"
                   value="jogamp/newt/driver/macosx/**"/>
 
+        <property name="java.part.driver.ios"
+                  value="jogamp/newt/driver/ios/**"/>
+
         <property name="java.part.driver.kd"
                   value="jogamp/newt/driver/kd/**"/>
 
@@ -226,6 +231,7 @@
         <mkdir dir="${src.generated.c}/Android" />
         <mkdir dir="${src.generated.c}/X11" />
         <mkdir dir="${src.generated.c}/MacOSX" />
+        <mkdir dir="${src.generated.c}/iOS" />
         <mkdir dir="${src.generated.c}/Windows" />
         <mkdir dir="${src.generated.c}/KD" />
         <mkdir dir="${src.generated.c}/IntelGDL" />
@@ -418,6 +424,26 @@
         <linkerarg value="Cocoa" />
       </linker>
 
+      <linker id="linker.cfg.ios.amd64.newt" extends="linker.cfg.ios.amd64">
+        <!-- linkerarg value="-v" / -->
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="UIKit" />
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="QuartzCore" />
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="OpenGLES" /> <!-- hack to get the CAEAGL in .. -->
+      </linker>
+
+      <linker id="linker.cfg.ios.arm64.newt" extends="linker.cfg.ios.arm64">
+        <!-- linkerarg value="-v" / -->
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="UIKit" />
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="QuartzCore" />
+        <linkerarg value="-weak_framework" />
+        <linkerarg value="OpenGLES" /> <!-- hack to get the CAEAGL in .. -->
+      </linker>
+
       <linker id="linker.cfg.hpux.newt" extends="linker.cfg.hpux">
         <syslibset dir="/usr/lib" libs="X11"/>
       </linker>
@@ -612,7 +638,17 @@
       <property name="linker.cfg.id.oswin"                  value="linker.cfg.macosx.newt" />
     </target>
 
-    <target name="c.configure.2" depends="c.configure.win32,c.configure.linux,c.configure.android,c.configure.solaris32,c.configure.solaris.sparcv9,c.configure.solaris.amd64,c.configure.macosx,c.configure.freebsd,c.configure.hpux" />
+    <target name="c.configure.ios.amd64" if="isIOSAmd64">
+      <property name="compiler.cfg.id"                     value="compiler.cfg.ios.amd64" />
+      <property name="linker.cfg.id.oswin"                 value="linker.cfg.ios.amd64.newt" />
+    </target>
+    
+    <target name="c.configure.ios.arm64" if="isIOSArm64">
+      <property name="compiler.cfg.id"                     value="compiler.cfg.ios.arm64" />
+      <property name="linker.cfg.id.oswin"                 value="linker.cfg.ios.arm64.newt" />
+    </target>
+    
+    <target name="c.configure.2" depends="c.configure.win32,c.configure.linux,c.configure.android,c.configure.solaris32,c.configure.solaris.sparcv9,c.configure.solaris.amd64,c.configure.macosx,c.configure.ios.amd64,c.configure.ios.arm64,c.configure.freebsd,c.configure.hpux" />
 
     <target name="c.configure" depends="c.configure.1,c.configure.2" />
 
@@ -637,12 +673,15 @@
         <condition property="c.compiler.use-debug"><istrue value="${c.compiler.debug}"/></condition>
 
         <patternset id="c.src.files.newt">
+          <include name="${rootrel.src.c}/JVM_JNI8.c" />
           <include name="${rootrel.src.c}/NewtCommon.c" />
           <!-- include name="${rootrel.src.c}/timespec.c"   /--> <!-- currently used for X11 and OSX with special PERF DEBUG MODE-->
           <include name="${rootrel.src.c}/WindowsWindow.c"    if="isWindows"/>
           <include name="${rootrel.src.c}/WindowsEDID.c"      if="isWindows"/>
           <include name="${rootrel.src.c}/MacWindow.m"        if="isOSX"/>
           <include name="${rootrel.src.c}/NewtMacWindow.m"    if="isOSX"/>
+          <include name="${rootrel.src.c}/IOSUIWindow.m"      if="isIOS"/>
+          <include name="${rootrel.src.c}/IOSNewtUIWindow.m"  if="isIOS"/>
           <include name="${rootrel.src.c}/AndroidWindow.c"    if="isAndroid"/>
           <include name="${rootrel.src.c}/X11Display.c"       if="isX11"/>
           <!-- include name="${rootrel.src.c}/X11Event.c"      if="isX11"/-->
@@ -666,12 +705,11 @@
             <fileset dir="${project.root}"><patternset refid="@{c.compiler.src.files}"/></fileset>
           </sourcefiles>
           <targetfiles>
-            <fileset dir="${obj.newt}" includes="lib@{output.lib.name}.so"/>
-            <fileset dir="${obj.newt}" includes="@{output.lib.name}.dll"/>
-            <fileset dir="${obj.newt}" includes="lib@{output.lib.name}.dylib"/>
+            <fileset dir="${obj.newt}" includes="${native.library.prefix}@{output.lib.name}.${native.library.suffix}"/>
           </targetfiles>
           <sequential>
-            <cc outtype="shared"
+            <cc outtype="${output.lib.type}" 
+                usehighleveltool="true"
                 objdir="${obj.newt}"
                 outfile="${obj.newt}/@{output.lib.name}"
                 optimize="${c.compiler.optimise}"
@@ -695,6 +733,7 @@
                 <includepath path="${src.generated.c}/Android"      if="isAndroid"/>
                 <includepath path="${src.generated.c}/X11"          if="isX11"/>
                 <includepath path="${src.generated.c}/MacOSX"       if="isOSX"/>
+                <includepath path="${src.generated.c}/iOS"          if="isIOS"/>
                 <includepath path="${src.generated.c}/Windows"      if="isWindows"/>
                 <includepath path="${src.generated.c}/KD"           if="setup.addNativeKD" />
                 <includepath path="${src.generated.c}/IntelGDL"     if="setup.addNativeIntelGDL" />
@@ -719,6 +758,10 @@
                 <param name="dest" value="${obj.newt}/@{output.lib.name}.dll" />
             </antcall>
 
+            <gluegen.make.libsymbols builddir="${build}" 
+                nativelib="${obj.newt}/${native.library.prefix}@{output.lib.name}.${native.library.suffix}"
+                symbolsfile="${obj.newt}/${native.library.prefix}@{output.lib.name}.symbols"/>
+
           	<!-- this stripping may be called more than once on the same library dir,
           	     but that should cause no harm, and doing it here inside outofdate
           	     prevents the JARs from always being rebuilt even if no source code changes -->
@@ -741,6 +784,7 @@
 
       <javah destdir="${src.generated.c}/Windows"     classpath="${javah.classpath}" class="jogamp.newt.driver.windows.WindowDriver, jogamp.newt.driver.windows.ScreenDriver, jogamp.newt.driver.windows.DisplayDriver" />
       <javah destdir="${src.generated.c}/MacOSX"      classpath="${javah.classpath}" class="jogamp.newt.driver.macosx.WindowDriver, jogamp.newt.driver.macosx.ScreenDriver, jogamp.newt.driver.macosx.DisplayDriver" />
+      <javah destdir="${src.generated.c}/iOS"         classpath="${javah.classpath}" class="jogamp.newt.driver.ios.WindowDriver, jogamp.newt.driver.ios.ScreenDriver, jogamp.newt.driver.ios.DisplayDriver" />
       <javah destdir="${src.generated.c}/X11"         classpath="${javah.classpath}" class="jogamp.newt.driver.x11.WindowDriver, jogamp.newt.driver.x11.ScreenDriver, jogamp.newt.driver.x11.RandR11, jogamp.newt.driver.x11.RandR13, jogamp.newt.driver.x11.DisplayDriver" />
     </target>
 
@@ -844,6 +888,10 @@
             <fileset dir="${classes}"
                      includes="${java.part.driver.macosx}"/>
         </jar>
+        <jar manifest="${build.newt}/manifest.mf" destfile="${newt-driver-ios.jar}" filesonly="true">
+            <fileset dir="${classes}"
+                     includes="${java.part.driver.ios}"/>
+        </jar>
         <jar manifest="${build.newt}/manifest.mf" destfile="${newt-driver-kd.jar}" filesonly="true">
             <fileset dir="${classes}"
                      includes="${java.part.driver.kd}"/>