Add GL: glGetBufferSize(int buffer) - buffer size tracking, and add comments ..

2 files changed, 23 insertions, 2 deletions

diff --git a/make/config/jogl/gl-if-CustomJavaCode-gl.java b/make/config/jogl/gl-if-CustomJavaCode-gl.java
index 1ff8b8e8e..4741b2df5 100644
--- a/make/config/jogl/gl-if-CustomJavaCode-gl.java
+++ b/make/config/jogl/gl-if-CustomJavaCode-gl.java
@@ -58,8 +58,25 @@
 
   public void glDepthRange(double zNear, double zFar);
 
+  /**
+   * @param target a GL buffer (VBO) target as used in {@link GL#glBindBuffer(int, int)}, ie {@link GL#GL_ELEMENT_ARRAY_BUFFER}, {@link GL#GL_ARRAY_BUFFER}, ..
+   * @return the GL buffer (VBO) name bound to a target via {@link GL#glBindBuffer(int, int)} or 0 if unbound.
+   */
   public int glGetBoundBuffer(int target);
 
+  /**
+   * @param buffer a GL buffer name, generated with {@link GL#glGenBuffers(int, int[], int)} and used in {@link GL#glBindBuffer(int, int)}, {@link GL#glBufferData(int, long, java.nio.Buffer, int)} or {@link GL2#glNamedBufferDataEXT(int, long, java.nio.Buffer, int)} for example.
+   * @return the size of the given GL buffer
+   */
+  public long glGetBufferSize(int buffer);
+
+  /**
+   * @return true if a VBO is bound to {@link GL.GL_ARRAY_BUFFER} via {@link GL#glBindBuffer(int, int)}, otherwise false
+   */
   public boolean glIsVBOArrayEnabled();
-  public boolean glIsVBOElementEnabled();
+
+  /**
+   * @return true if a VBO is bound to {@link GL.GL_ELEMENT_ARRAY_BUFFER} via {@link GL#glBindBuffer(int, int)}, otherwise false
+   */
+  public boolean glIsVBOElementArrayEnabled();
 
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-common.java b/make/config/jogl/gl-impl-CustomJavaCode-common.java
index 4872490b0..0a8e90171 100644
--- a/make/config/jogl/gl-impl-CustomJavaCode-common.java
+++ b/make/config/jogl/gl-impl-CustomJavaCode-common.java
@@ -7,11 +7,15 @@
         return bufferStateTracker.getBoundBufferObject(target, this);
     }
 
+    public long glGetBufferSize(int buffer) {
+        return bufferSizeTracker.getDirectStateBufferSize(buffer, this);
+    }
+
     public boolean glIsVBOArrayEnabled() {
         return checkArrayVBOEnabled(false);
     }
 
-    public boolean glIsVBOElementEnabled() {
+    public boolean glIsVBOElementArrayEnabled() {
         return checkElementVBOEnabled(false);
     }