added CLDeviceFilters utility api.

2 files changed, 109 insertions, 2 deletions

diff --git a/src/com/jogamp/opencl/util/CLDeviceFilters.java b/src/com/jogamp/opencl/util/CLDeviceFilters.java
new file mode 100644
index 00000000..a69b11a1
--- /dev/null
+++ b/src/com/jogamp/opencl/util/CLDeviceFilters.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opencl.util;
+
+import com.jogamp.opencl.CLDevice;
+import java.nio.ByteOrder;
+import java.util.Arrays;
+
+/**
+ * Pre-defined filters.
+ * @author Michael Bien
+ * @see com.jogamp.opencl.CLPlatform#listCLDevices(com.jogamp.opencl.util.Filter[]) 
+ * @see com.jogamp.opencl.CLPlatform#getMaxFlopsDevice(com.jogamp.opencl.util.Filter[])
+ */
+public class CLDeviceFilters {
+    
+    /**
+     * Accepts all devices of the given type.
+     */
+    public static Filter<CLDevice> type(final CLDevice.Type type) {
+        return new Filter<CLDevice>() {
+            public boolean accept(CLDevice item) {
+                if(type.equals(CLDevice.Type.ALL)) {
+                    return true;
+                }
+                return item.getType().equals(type);
+            }
+        };
+    }
+    
+    /**
+     * Accepts all devices of the given {@link ByteOrder}.
+     */
+    public static Filter<CLDevice> byteOrder(final ByteOrder order) {
+        return new Filter<CLDevice>() {
+            public boolean accept(CLDevice item) {
+                return item.getByteOrder().equals(order);
+            }
+        };
+    }
+    
+    /**
+     * Accepts all devices which support OpenGL-OpenCL interoparability.
+     */
+    public static Filter<CLDevice> glSharing() {
+        return new Filter<CLDevice>() {
+            public boolean accept(CLDevice item) {
+                return item.isGLMemorySharingSupported();
+            }
+        };
+    }
+    
+    /**
+     * Accepts all devices supporting the given extensions.
+     */
+    public static Filter<CLDevice> extension(final String... extensions) {
+        return new Filter<CLDevice>() {
+            public boolean accept(CLDevice item) {
+                return item.getExtensions().containsAll(Arrays.asList(extensions));
+            }
+        };
+    }
+    
+}
diff --git a/src/com/jogamp/opencl/util/CLPlatformFilters.java b/src/com/jogamp/opencl/util/CLPlatformFilters.java
index 3d23a45c..f5a4f55f 100644
--- a/src/com/jogamp/opencl/util/CLPlatformFilters.java
+++ b/src/com/jogamp/opencl/util/CLPlatformFilters.java
@@ -62,11 +62,28 @@ public class CLPlatformFilters {
             }
         };
     }
+    
+    /**
+     * Accepts all platforms containing at least one devices of which supports OpenGL-OpenCL interoparability.
+     */
+    public static Filter<CLPlatform> glSharing() {
+        return new Filter<CLPlatform>() {
+            public boolean accept(CLPlatform item) {
+                CLDevice[] devices = item.listCLDevices();
+                for (CLDevice device : devices) {
+                    if(device.isGLMemorySharingSupported()) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+        };
+    }
 
     /**
-     * Accepts all platforms containing devices of the given extensions.
+     * Accepts all platforms supporting the given extensions.
      */
-    public static Filter<CLPlatform> extensions(final String... extensions) {
+    public static Filter<CLPlatform> extension(final String... extensions) {
         return new Filter<CLPlatform>() {
             public boolean accept(CLPlatform item) {
                 return item.getExtensions().containsAll(Arrays.asList(extensions));