Bug 888 / Bug 891 - Enhance GLCapabilities-Query: Apply changes of commit 613e33ee8ffc1f2b9c5db1e1b5bb5253a159ed6d to EGL and WGL.

Note: WGL config query is already performed as a bulk operation.
Note: OSX does not perform such queries.

1 files changed, 45 insertions, 0 deletions

diff --git a/make/config/jogl/egl-CustomJavaCode.java b/make/config/jogl/egl-CustomJavaCode.java
new file mode 100644
index 000000000..15689b5d8
--- /dev/null
+++ b/make/config/jogl/egl-CustomJavaCode.java
@@ -0,0 +1,45 @@
+
+    private static EGLProcAddressTable _table = new EGLProcAddressTable(new GLProcAddressResolver());
+    public static void resetProcAddressTable(DynamicLookupHelper lookup) {
+        _table.reset(lookup);
+    }
+
+    // There are some #defines in egl.h that GlueGen and PCPP don't currently handle
+    public static final long EGL_DEFAULT_DISPLAY = 0;
+    public static final long EGL_NO_CONTEXT = 0;
+    public static final long EGL_NO_DISPLAY = 0;
+    public static final long EGL_NO_SURFACE = 0;
+    public static final int  EGL_DONT_CARE  = -1;
+    public static final int  EGL_UNKNOWN    = -1;
+
+    protected static long eglGetProcAddress(long eglGetProcAddressHandle, java.lang.String procname)
+    {
+        if (eglGetProcAddressHandle == 0) {
+            throw new GLException("Passed null pointer for method \"eglGetProcAddress\"");
+        }
+        return dispatch_eglGetProcAddress0(procname, eglGetProcAddressHandle);
+    }
+
+
+    /** 
+     * In case of an error on a particualr attribute, the attribute in the attributes-buffer is set to 0.
+     * <p>
+     * Entry point to C language function: <code> EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *  value); </code> <br>Part of <code>EGL_VERSION_1_X</code>
+     * </p>
+     */
+    public static void eglGetConfigAttributes(long dpy, long config, IntBuffer attributes, IntBuffer values) {
+        if( attributes == null || values == null ) {
+            throw new RuntimeException("arrays buffers are null");
+        }
+        if( !Buffers.isDirect(attributes) || !Buffers.isDirect(values) ) {
+            throw new RuntimeException("arrays buffers are not direct");
+        }
+        if( attributes.remaining() > values.remaining() ) {
+            throw new RuntimeException("not enough values "+values+" for attributes "+attributes);
+        }
+        final long __addr = _table._addressof_eglGetConfigAttrib;
+        dispatch_eglGetConfigAttributes(dpy, config, attributes.remaining(), attributes, Buffers.getDirectBufferByteOffset(attributes), 
+                                        values, Buffers.getDirectBufferByteOffset(values), __addr);
+    }
+    private static native void dispatch_eglGetConfigAttributes(long dpy, long config, int attributeCount, Object attributes, int attributes_byte_offset, Object values, int valuesOffset, long procAddr);
+