Bug 852: Remove CPU sourced data API entry where not allowed (ES3 and GL core >= 3.0) ; GL2 cfg: Ignore GL2ES3 symbols (super)

Remove CPU sourced data API entries via new config 'BufferObjectOnly  <name>',
listed in 'gl-common-gpubufferonly.cfg' and included in ES3 and all GL core >= 3 interfaces.

If BufferObjectOnly is defined for a function, only the 'long offset' variant is being emitted.

Due to limitations of GlueGen's 'ExtendedInterfaceSymbolsIgnore A.java', which only
identifies the function name and not the signature - all CPU sourced variants
are manually added to the compatibility and ES2 GL profiles via '*-common-cpubufferJavaCode.java' files.

GLContext: Added 'isCPUSourcedAvail()' to determine whether context allows CPU sourced data,
i.e. for GL2ES1 and GLES2 ctx.

GLContext/GLProfile/GL: isGLES2() now returns false if having a ES3 context due to 'CPU sourced'
incompatibility!

+++

GL2 cfg: Added ignore GL2ES3 symbols of it's superclass, removing duplicated symbols.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/jogl/classes/com/jogamp/gluegen/opengl/GLConfiguration.java b/src/jogl/classes/com/jogamp/gluegen/opengl/GLConfiguration.java
index 861957c23..a00b19abc 100644
--- a/src/jogl/classes/com/jogamp/gluegen/opengl/GLConfiguration.java
+++ b/src/jogl/classes/com/jogamp/gluegen/opengl/GLConfiguration.java
@@ -67,6 +67,7 @@ public class GLConfiguration extends ProcAddressConfiguration {
 
     // Maps function names to the kind of buffer object it deals with
     private Map<String, GLEmitter.BufferObjectKind> bufferObjectKinds = new HashMap<String, GLEmitter.BufferObjectKind>();
+    private Set<String> bufferObjectOnly = new HashSet<String>();
     private GLEmitter emitter;
     private Set<String> dropUniqVendorExtensions = new HashSet<String>();
 
@@ -106,6 +107,9 @@ public class GLConfiguration extends ProcAddressConfiguration {
             glHeaders.add(sym);
         } else if (cmd.equalsIgnoreCase("BufferObjectKind")) {
             readBufferObjectKind(tok, filename, lineNo);
+        } else if (cmd.equalsIgnoreCase("BufferObjectOnly")) {
+            String sym = readString("BufferObjectOnly", tok, filename, lineNo);
+            bufferObjectOnly.add(sym);
         } else if (cmd.equalsIgnoreCase("DropUniqVendorExtensions")) {
             String sym = readString("DropUniqVendorExtensions", tok, filename, lineNo);
             dropUniqVendorExtensions.add(sym);
@@ -339,6 +343,10 @@ public class GLConfiguration extends ProcAddressConfiguration {
     public boolean isBufferObjectFunction(String name) {
         return (getBufferObjectKind(name) != null);
     }
+    
+    public boolean isBufferObjectOnly(String name) { 
+        return bufferObjectOnly.contains(name); 
+    }
 
     /** Parses any GL headers specified in the configuration file for
     the purpose of being able to ignore an extension at a time. */