diff options
Diffstat (limited to 'rs/java/android/renderscript/ScriptIntrinsicYuvToRGB.java')
-rw-r--r-- | rs/java/android/renderscript/ScriptIntrinsicYuvToRGB.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptIntrinsicYuvToRGB.java b/rs/java/android/renderscript/ScriptIntrinsicYuvToRGB.java new file mode 100644 index 0000000..f942982 --- /dev/null +++ b/rs/java/android/renderscript/ScriptIntrinsicYuvToRGB.java @@ -0,0 +1,89 @@ +/* + * 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 an Android YUV buffer to RGB. + * + * The input allocation should be supplied in a supported YUV format + * as a YUV element Allocation. The output is RGBA; the alpha channel + * will be set to 255. + */ +public final class ScriptIntrinsicYuvToRGB extends ScriptIntrinsic { + private Allocation mInput; + + ScriptIntrinsicYuvToRGB(long id, RenderScript rs) { + super(id, rs); + } + + /** + * Create an intrinsic for converting YUV to RGB. + * + * Supported elements types are {@link Element#U8_4} + * + * @param rs The RenderScript context + * @param e Element type for output + * + * @return ScriptIntrinsicYuvToRGB + */ + public static ScriptIntrinsicYuvToRGB create(RenderScript rs, Element e) { + // 6 comes from RS_SCRIPT_INTRINSIC_YUV_TO_RGB in rsDefines.h + long id = rs.nScriptIntrinsicCreate(6, e.getID(rs)); + ScriptIntrinsicYuvToRGB si = new ScriptIntrinsicYuvToRGB(id, rs); + return si; + } + + + /** + * Set the input yuv allocation, must be {@link Element#U8}. + * + * @param ain The input allocation. + */ + public void setInput(Allocation ain) { + mInput = ain; + setVar(0, ain); + } + + /** + * Convert the image to RGB. + * + * @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(0, null); + } +} |