1 files changed, 133 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsicConvolve5x5.java b/rs/java/android/renderscript/ScriptIntrinsicConvolve5x5.java
new file mode 100644
index 0000000..71ea4cb
--- /dev/null
+++ b/rs/java/android/renderscript/ScriptIntrinsicConvolve5x5.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.renderscript;
+
+import android.util.Log;
+
+/**
+ * Intrinsic for applying a 5x5 convolve to an allocation.
+ *
+ **/
+public final class ScriptIntrinsicConvolve5x5 extends ScriptIntrinsic {
+    private final float[] mValues = new float[25];
+    private Allocation mInput;
+
+    private ScriptIntrinsicConvolve5x5(long id, RenderScript rs) {
+        super(id, rs);
+    }
+
+    /**
+     * Supported elements types are {@link Element#U8}, {@link
+     * Element#U8_2}, {@link Element#U8_3}, {@link Element#U8_4},
+     * {@link Element#F32}, {@link Element#F32_2}, {@link
+     * Element#F32_3}, and {@link Element#F32_4}
+     *
+     * The default coefficients are.
+     * <code>
+     * <p> [ 0,  0,  0,  0,  0  ]
+     * <p> [ 0,  0,  0,  0,  0  ]
+     * <p> [ 0,  0,  1,  0,  0  ]
+     * <p> [ 0,  0,  0,  0,  0  ]
+     * <p> [ 0,  0,  0,  0,  0  ]
+     * </code>
+     *
+     * @param rs The RenderScript context
+     * @param e Element type for intputs and outputs
+     *
+     * @return ScriptIntrinsicConvolve5x5
+     */
+    public static ScriptIntrinsicConvolve5x5 create(RenderScript rs, Element e) {
+        if (!e.isCompatible(Element.U8(rs)) &&
+            !e.isCompatible(Element.U8_2(rs)) &&
+            !e.isCompatible(Element.U8_3(rs)) &&
+            !e.isCompatible(Element.U8_4(rs)) &&
+            !e.isCompatible(Element.F32(rs)) &&
+            !e.isCompatible(Element.F32_2(rs)) &&
+            !e.isCompatible(Element.F32_3(rs)) &&
+            !e.isCompatible(Element.F32_4(rs))) {
+            throw new RSIllegalArgumentException("Unsuported element type.");
+        }
+
+        long id = rs.nScriptIntrinsicCreate(4, e.getID(rs));
+        return new ScriptIntrinsicConvolve5x5(id, rs);
+
+    }
+
+    /**
+     * Set the input of the blur.
+     * Must match the element type supplied during create.
+     *
+     * @param ain The input allocation.
+     */
+    public void setInput(Allocation ain) {
+        mInput = ain;
+        setVar(1, ain);
+    }
+
+    /**
+    * Set the coefficients for the convolve.
+    *
+    * The convolve layout is
+    * <code>
+    * <p> [ 0,  1,  2,  3,  4  ]
+    * <p> [ 5,  6,  7,  8,  9  ]
+    * <p> [ 10, 11, 12, 13, 14 ]
+    * <p> [ 15, 16, 17, 18, 19 ]
+    * <p> [ 20, 21, 22, 23, 24 ]
+    * </code>
+    *
+    * @param v The array of coefficients to set
+    */
+    public void setCoefficients(float v[]) {
+        FieldPacker fp = new FieldPacker(25*4);
+        for (int ct=0; ct < mValues.length; ct++) {
+            mValues[ct] = v[ct];
+            fp.addF32(mValues[ct]);
+        }
+        setVar(0, fp);
+    }
+
+    /**
+     * Apply the filter to the input and save to the specified
+     * allocation.
+     *
+     * @param aout Output allocation. Must match creation element
+     *             type.
+     */
+    public void forEach(Allocation aout) {
+        forEach(0, null, aout, null);
+    }
+
+    /**
+     * Get a KernelID for this intrinsic kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelID() {
+        return createKernelID(0, 2, null, null);
+    }
+
+    /**
+     * Get a FieldID for the input field of this intrinsic.
+     *
+     * @return Script.FieldID The FieldID object.
+     */
+    public Script.FieldID getFieldID_Input() {
+        return createFieldID(1, null);
+    }
+}
+