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author | Tim Murray <timmurray@google.com> | 2013-12-17 13:28:17 -0800 |
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committer | Tim Murray <timmurray@google.com> | 2013-12-17 13:28:17 -0800 |
commit | d1576fb039f018ea4d55abbb2c03d542011be399 (patch) | |
tree | e69fc47ea873621e2106d69e3d08c6d8e5d7fc93 /rs/java/android/renderscript/ScriptIntrinsic3DLUT.java | |
parent | 0a11eb10ff08ad7a683cfc7c458b6625b955df2c (diff) | |
download | frameworks_base-d1576fb039f018ea4d55abbb2c03d542011be399.zip frameworks_base-d1576fb039f018ea4d55abbb2c03d542011be399.tar.gz frameworks_base-d1576fb039f018ea4d55abbb2c03d542011be399.tar.bz2 |
Move RenderScript from graphics/ to new fw/base subdirectory rs.
Change-Id: I30b6633578f063840e1bdbcc9ba513b727912a6d
Diffstat (limited to 'rs/java/android/renderscript/ScriptIntrinsic3DLUT.java')
-rw-r--r-- | rs/java/android/renderscript/ScriptIntrinsic3DLUT.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsic3DLUT.java b/rs/java/android/renderscript/ScriptIntrinsic3DLUT.java new file mode 100644 index 0000000..33e64bd --- /dev/null +++ b/rs/java/android/renderscript/ScriptIntrinsic3DLUT.java @@ -0,0 +1,99 @@ +/* + * 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 for converting RGB to RGBA by using a 3D lookup table. The + * incoming r,g,b values are use as normalized x,y,z coordinates into a 3D + * allocation. The 8 nearest values are sampled and linearly interpolated. The + * result is placed in the output. + * + **/ +public final class ScriptIntrinsic3DLUT extends ScriptIntrinsic { + private Allocation mLUT; + private Element mElement; + + private ScriptIntrinsic3DLUT(long id, RenderScript rs, Element e) { + super(id, rs); + mElement = e; + } + + /** + * Supported elements types are {@link Element#U8_4} + * + * The defaults tables are identity. + * + * @param rs The RenderScript context + * @param e Element type for intputs and outputs + * + * @return ScriptIntrinsic3DLUT + */ + public static ScriptIntrinsic3DLUT create(RenderScript rs, Element e) { + long id = rs.nScriptIntrinsicCreate(8, e.getID(rs)); + + if (!e.isCompatible(Element.U8_4(rs))) { + throw new RSIllegalArgumentException("Element must be compatible with uchar4."); + } + + return new ScriptIntrinsic3DLUT(id, rs, e); + } + + /** + * Sets the {@link android.renderscript.Allocation} to be used as the lookup table. + * + * The lookup table must use the same {@link android.renderscript.Element} as the intrinsic. + * + */ + + public void setLUT(Allocation lut) { + final Type t = lut.getType(); + + if (t.getZ() == 0) { + throw new RSIllegalArgumentException("LUT must be 3d."); + } + + if (!t.getElement().isCompatible(mElement)) { + throw new RSIllegalArgumentException("LUT element type must match."); + } + + mLUT = lut; + setVar(0, mLUT); + } + + + /** + * Invoke the kernel and apply the lookup to each cell of ain + * and copy to aout. + * + * @param ain Input allocation + * @param aout Output allocation + */ + public void forEach(Allocation ain, Allocation aout) { + forEach(0, ain, aout, null); + } + + /** + * Get a KernelID for this intrinsic kernel. + * + * @return Script.KernelID The KernelID object. + */ + public Script.KernelID getKernelID() { + return createKernelID(0, 3, null, null); + } +} + |