Add Blend intrinsic.

Change-Id: I6f679c910fc23fe7441e17ad66bcf5f3dd7425a0

2 files changed, 498 insertions, 0 deletions

diff --git a/api/current.txt b/api/current.txt
index ec930c4..0afda35 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -20079,6 +20079,40 @@ package android.renderscript {
   public abstract class ScriptIntrinsic extends android.renderscript.Script {
   }
 
+  public class ScriptIntrinsicBlend extends android.renderscript.ScriptIntrinsic {
+    method public static android.renderscript.ScriptIntrinsicBlend create(android.renderscript.RenderScript, android.renderscript.Element);
+    method public void forEachAdd(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachClear(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachDst(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachDstAtop(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachDstIn(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachDstOut(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachDstOver(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachMultiply(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSrc(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSrcAtop(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSrcIn(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSrcOut(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSrcOver(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachSubtract(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public void forEachXor(android.renderscript.Allocation, android.renderscript.Allocation);
+    method public android.renderscript.Script.KernelID getKernelIDAdd();
+    method public android.renderscript.Script.KernelID getKernelIDClear();
+    method public android.renderscript.Script.KernelID getKernelIDDst();
+    method public android.renderscript.Script.KernelID getKernelIDDstAtop();
+    method public android.renderscript.Script.KernelID getKernelIDDstIn();
+    method public android.renderscript.Script.KernelID getKernelIDDstOut();
+    method public android.renderscript.Script.KernelID getKernelIDDstOver();
+    method public android.renderscript.Script.KernelID getKernelIDMultiply();
+    method public android.renderscript.Script.KernelID getKernelIDSrc();
+    method public android.renderscript.Script.KernelID getKernelIDSrcAtop();
+    method public android.renderscript.Script.KernelID getKernelIDSrcIn();
+    method public android.renderscript.Script.KernelID getKernelIDSrcOut();
+    method public android.renderscript.Script.KernelID getKernelIDSrcOver();
+    method public android.renderscript.Script.KernelID getKernelIDSubtract();
+    method public android.renderscript.Script.KernelID getKernelIDXor();
+  }
+
   public final class ScriptIntrinsicBlur extends android.renderscript.ScriptIntrinsic {
     method public static android.renderscript.ScriptIntrinsicBlur create(android.renderscript.RenderScript, android.renderscript.Element);
     method public void forEach(android.renderscript.Allocation);
diff --git a/graphics/java/android/renderscript/ScriptIntrinsicBlend.java b/graphics/java/android/renderscript/ScriptIntrinsicBlend.java
new file mode 100644
index 0000000..13c03af
--- /dev/null
+++ b/graphics/java/android/renderscript/ScriptIntrinsicBlend.java
@@ -0,0 +1,464 @@
+/*
+ * 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;
+
+
+/**
+ * Intrinsic kernels for blending two buffers. Each blend function is a separate
+ * kernel to make it easy to change between blend modes.
+ **/
+public class ScriptIntrinsicBlend extends ScriptIntrinsic {
+    ScriptIntrinsicBlend(int id, RenderScript rs) {
+        super(id, rs);
+    }
+
+    /**
+     * Supported elements types are uchar4
+     *
+     *
+     * @param rs
+     * @param e
+     *
+     * @return ScriptIntrinsicBlend
+     */
+    public static ScriptIntrinsicBlend create(RenderScript rs, Element e) {
+        int id = rs.nScriptIntrinsicCreate(6, e.getID(rs));
+        return new ScriptIntrinsicBlend(id, rs);
+
+    }
+
+    private void blend(int id, Allocation ain, Allocation aout) {
+        if (ain.getElement() != Element.U8_4(mRS)) {
+            throw new RSIllegalArgumentException("Input not of expected format.");
+        }
+        if (aout.getElement() != Element.U8_4(mRS)) {
+            throw new RSIllegalArgumentException("Output not of expected format.");
+        }
+        forEach(id, ain, aout, null);
+    }
+
+    /**
+     * dst = {0, 0, 0, 0}
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachClear(Allocation ain, Allocation aout) {
+        blend(0, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Clear kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDClear() {
+        return createKernelID(0, 3, null, null);
+    }
+
+
+    /**
+     * dst = src
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSrc(Allocation ain, Allocation aout) {
+        blend(1, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Src kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSrc() {
+        return createKernelID(1, 3, null, null);
+    }
+
+    /**
+     * dst = dst
+     * This is a NOP
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachDst(Allocation ain, Allocation aout) {
+        // NOP
+    }
+
+    /**
+     * Get a KernelID for the Dst kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDDst() {
+        return createKernelID(2, 3, null, null);
+    }
+
+    /**
+     * dst = src + dst * (1.0 - src.a)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSrcOver(Allocation ain, Allocation aout) {
+        blend(3, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the SrcOver kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSrcOver() {
+        return createKernelID(3, 3, null, null);
+    }
+
+    /**
+     * dst = dst + src * (1.0 - dst.a)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachDstOver(Allocation ain, Allocation aout) {
+        blend(4, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the DstOver kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDDstOver() {
+        return createKernelID(4, 3, null, null);
+    }
+
+    /**
+     * dst = src * dst.a
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSrcIn(Allocation ain, Allocation aout) {
+        blend(5, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the SrcIn kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSrcIn() {
+        return createKernelID(5, 3, null, null);
+    }
+
+    /**
+     * dst = dst * src.a
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachDstIn(Allocation ain, Allocation aout) {
+        blend(6, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the DstIn kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDDstIn() {
+        return createKernelID(6, 3, null, null);
+    }
+
+    /**
+     * dst = src * (1.0 - dst.a)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSrcOut(Allocation ain, Allocation aout) {
+        blend(7, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the SrcOut kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSrcOut() {
+        return createKernelID(7, 3, null, null);
+    }
+
+    /**
+     * dst = dst * (1.0 - src.a)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachDstOut(Allocation ain, Allocation aout) {
+        blend(8, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the DstOut kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDDstOut() {
+        return createKernelID(8, 3, null, null);
+    }
+
+    /**
+     * dst.rgb = src.rgb * dst.a + (1.0 - src.a) * dst.rgb
+     * dst.a = dst.a
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSrcAtop(Allocation ain, Allocation aout) {
+        blend(9, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the SrcAtop kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSrcAtop() {
+        return createKernelID(9, 3, null, null);
+    }
+
+    /**
+     * dst = dst.rgb * src.a + (1.0 - dst.a) * src.rgb
+     * dst.a = src.a
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachDstAtop(Allocation ain, Allocation aout) {
+        blend(10, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the DstAtop kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDDstAtop() {
+        return createKernelID(10, 3, null, null);
+    }
+
+    /**
+     * dst = {src.r ^ dst.r, src.g ^ dst.g, src.b ^ dst.b, src.a ^ dst.a}
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachXor(Allocation ain, Allocation aout) {
+        blend(11, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Xor kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDXor() {
+        return createKernelID(11, 3, null, null);
+    }
+
+    ////////
+/*
+    public void forEachNormal(Allocation ain, Allocation aout) {
+        blend(12, ain, aout);
+    }
+
+    public void forEachAverage(Allocation ain, Allocation aout) {
+        blend(13, ain, aout);
+    }
+*/
+    /**
+     * dst = src * dst
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachMultiply(Allocation ain, Allocation aout) {
+        blend(14, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Multiply kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDMultiply() {
+        return createKernelID(14, 3, null, null);
+    }
+
+/*
+    public void forEachScreen(Allocation ain, Allocation aout) {
+        blend(15, ain, aout);
+    }
+
+    public void forEachDarken(Allocation ain, Allocation aout) {
+        blend(16, ain, aout);
+    }
+
+    public void forEachLighten(Allocation ain, Allocation aout) {
+        blend(17, ain, aout);
+    }
+
+    public void forEachOverlay(Allocation ain, Allocation aout) {
+        blend(18, ain, aout);
+    }
+
+    public void forEachHardlight(Allocation ain, Allocation aout) {
+        blend(19, ain, aout);
+    }
+
+    public void forEachSoftlight(Allocation ain, Allocation aout) {
+        blend(20, ain, aout);
+    }
+
+    public void forEachDifference(Allocation ain, Allocation aout) {
+        blend(21, ain, aout);
+    }
+
+    public void forEachNegation(Allocation ain, Allocation aout) {
+        blend(22, ain, aout);
+    }
+
+    public void forEachExclusion(Allocation ain, Allocation aout) {
+        blend(23, ain, aout);
+    }
+
+    public void forEachColorDodge(Allocation ain, Allocation aout) {
+        blend(24, ain, aout);
+    }
+
+    public void forEachInverseColorDodge(Allocation ain, Allocation aout) {
+        blend(25, ain, aout);
+    }
+
+    public void forEachSoftDodge(Allocation ain, Allocation aout) {
+        blend(26, ain, aout);
+    }
+
+    public void forEachColorBurn(Allocation ain, Allocation aout) {
+        blend(27, ain, aout);
+    }
+
+    public void forEachInverseColorBurn(Allocation ain, Allocation aout) {
+        blend(28, ain, aout);
+    }
+
+    public void forEachSoftBurn(Allocation ain, Allocation aout) {
+        blend(29, ain, aout);
+    }
+
+    public void forEachReflect(Allocation ain, Allocation aout) {
+        blend(30, ain, aout);
+    }
+
+    public void forEachGlow(Allocation ain, Allocation aout) {
+        blend(31, ain, aout);
+    }
+
+    public void forEachFreeze(Allocation ain, Allocation aout) {
+        blend(32, ain, aout);
+    }
+
+    public void forEachHeat(Allocation ain, Allocation aout) {
+        blend(33, ain, aout);
+    }
+*/
+    /**
+     * dst = min(src + dst, 1.0)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachAdd(Allocation ain, Allocation aout) {
+        blend(34, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Add kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDAdd() {
+        return createKernelID(34, 3, null, null);
+    }
+
+    /**
+     * dst = max(dst - src, 0.0)
+     *
+     * @param ain The source buffer
+     * @param aout The destination buffer
+     */
+    public void forEachSubtract(Allocation ain, Allocation aout) {
+        blend(35, ain, aout);
+    }
+
+    /**
+     * Get a KernelID for the Subtract kernel.
+     *
+     * @return Script.KernelID The KernelID object.
+     */
+    public Script.KernelID getKernelIDSubtract() {
+        return createKernelID(35, 3, null, null);
+    }
+
+/*
+    public void forEachStamp(Allocation ain, Allocation aout) {
+        blend(36, ain, aout);
+    }
+
+    public void forEachRed(Allocation ain, Allocation aout) {
+        blend(37, ain, aout);
+    }
+
+    public void forEachGreen(Allocation ain, Allocation aout) {
+        blend(38, ain, aout);
+    }
+
+    public void forEachBlue(Allocation ain, Allocation aout) {
+        blend(39, ain, aout);
+    }
+
+    public void forEachHue(Allocation ain, Allocation aout) {
+        blend(40, ain, aout);
+    }
+
+    public void forEachSaturation(Allocation ain, Allocation aout) {
+        blend(41, ain, aout);
+    }
+
+    public void forEachColor(Allocation ain, Allocation aout) {
+        blend(42, ain, aout);
+    }
+
+    public void forEachLuminosity(Allocation ain, Allocation aout) {
+        blend(43, ain, aout);
+    }
+*/
+}
+