introduced gl package and moved all interoperability functionality into it.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/com/mbien/opencl/gl/CLGLImage2d.java b/src/com/mbien/opencl/gl/CLGLImage2d.java
new file mode 100644
index 00000000..ab5f1c95
--- /dev/null
+++ b/src/com/mbien/opencl/gl/CLGLImage2d.java
@@ -0,0 +1,65 @@
+package com.mbien.opencl.gl;
+
+import com.mbien.opencl.CL;
+import com.mbien.opencl.CLContext;
+import com.mbien.opencl.CLGLI;
+import com.mbien.opencl.CLImage2d;
+import com.mbien.opencl.CLImageFormat;
+import com.mbien.opencl.CLMemory.GLObjectType;
+import com.mbien.opencl.impl.CLImageFormatImpl;
+import java.nio.Buffer;
+
+import static com.mbien.opencl.CL.*;
+
+/**
+ * 2D OpenCL image representing an OpenGL renderbuffer.
+ * @author Michael Bien
+ */
+public class CLGLImage2d<B extends Buffer> extends CLImage2d<B> implements CLGLObject {
+
+    /**
+     * The OpenGL object handle.
+     */
+    public final int GLID;
+
+    protected CLGLImage2d(CLContext context, B directBuffer, CLImageFormat format, CLImageInfoAccessor accessor, int width, int height, long id, int glid) {
+        super(context, directBuffer, format, accessor, width, height, id);
+        this.GLID = glid;
+    }
+
+    static <B extends Buffer> CLGLImage2d<B> createFromGLRenderbuffer(CLContext context, B directBuffer, int flags, int glObject) {
+
+        CLGLBuffer.checkBuffer(directBuffer, flags);
+
+        CL cl = getCL(context);
+        int[] result = new int[1];
+        CLGLI clgli = (CLGLI)cl;
+
+        long id = clgli.clCreateFromGLRenderbuffer(context.ID, flags, glObject, result, 0);
+
+        return createImage(context, id, directBuffer, glObject);
+    }
+
+    static <B extends Buffer> CLGLImage2d<B> createImage(CLContext context, long id, B directBuffer, int glObject) {
+        CLImageInfoAccessor accessor = new CLImageInfoAccessor(getCL(context), id);
+
+        CLImageFormat format = createUninitializedImageFormat();
+        accessor.getInfo(CL_IMAGE_FORMAT, CLImageFormatImpl.size(), format.getFormatImpl().getBuffer(), null);
+
+        int width = (int)accessor.getLong(CL_IMAGE_WIDTH);
+        int height = (int)accessor.getLong(CL_IMAGE_HEIGHT);
+
+        return new CLGLImage2d<B>(context, directBuffer, format, accessor, width, height, id, glObject);
+    }
+
+    @Override
+    public GLObjectType getGLObjectType() {
+        return GLObjectType.GL_OBJECT_RENDERBUFFER;
+    }
+
+    @Override
+    public int getGLObjectID() {
+        return GLID;
+    }
+
+}