| /* |
| * Copyright (C) 2013 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.support.v8.renderscript; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.util.Log; |
| import android.os.Bundle; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| |
| /** |
| * |
| **/ |
| class SamplerThunker extends Sampler { |
| android.renderscript.Sampler mN; |
| |
| protected SamplerThunker(int id, RenderScript rs) { |
| super(id, rs); |
| } |
| |
| android.renderscript.BaseObj getNObj() { |
| return mN; |
| } |
| |
| static android.renderscript.Sampler.Value convertValue (Value v) { |
| switch (v) { |
| case NEAREST: |
| return android.renderscript.Sampler.Value.NEAREST; |
| case LINEAR: |
| return android.renderscript.Sampler.Value.LINEAR; |
| case LINEAR_MIP_LINEAR: |
| return android.renderscript.Sampler.Value.LINEAR_MIP_LINEAR; |
| case LINEAR_MIP_NEAREST: |
| return android.renderscript.Sampler.Value.LINEAR_MIP_NEAREST; |
| case WRAP: |
| return android.renderscript.Sampler.Value.WRAP; |
| case CLAMP: |
| return android.renderscript.Sampler.Value.CLAMP; |
| case MIRRORED_REPEAT: |
| return android.renderscript.Sampler.Value.MIRRORED_REPEAT; |
| } |
| return null; |
| } |
| |
| /** |
| * Builder for creating non-standard samplers. Useful if mix and match of |
| * wrap modes is necesary or if anisotropic filtering is desired. |
| * |
| */ |
| public static class Builder { |
| RenderScriptThunker mRS; |
| Value mMin; |
| Value mMag; |
| Value mWrapS; |
| Value mWrapT; |
| Value mWrapR; |
| float mAniso; |
| |
| public Builder(RenderScriptThunker rs) { |
| mRS = rs; |
| mMin = Value.NEAREST; |
| mMag = Value.NEAREST; |
| mWrapS = Value.WRAP; |
| mWrapT = Value.WRAP; |
| mWrapR = Value.WRAP; |
| } |
| |
| public void setMinification(Value v) { |
| if (v == Value.NEAREST || |
| v == Value.LINEAR || |
| v == Value.LINEAR_MIP_LINEAR || |
| v == Value.LINEAR_MIP_NEAREST) { |
| mMin = v; |
| } else { |
| throw new IllegalArgumentException("Invalid value"); |
| } |
| } |
| |
| public void setMagnification(Value v) { |
| if (v == Value.NEAREST || v == Value.LINEAR) { |
| mMag = v; |
| } else { |
| throw new IllegalArgumentException("Invalid value"); |
| } |
| } |
| |
| public void setWrapS(Value v) { |
| if (v == Value.WRAP || v == Value.CLAMP || v == Value.MIRRORED_REPEAT) { |
| mWrapS = v; |
| } else { |
| throw new IllegalArgumentException("Invalid value"); |
| } |
| } |
| |
| public void setWrapT(Value v) { |
| if (v == Value.WRAP || v == Value.CLAMP || v == Value.MIRRORED_REPEAT) { |
| mWrapT = v; |
| } else { |
| throw new IllegalArgumentException("Invalid value"); |
| } |
| } |
| |
| public void setAnisotropy(float v) { |
| if(v >= 0.0f) { |
| mAniso = v; |
| } else { |
| throw new IllegalArgumentException("Invalid value"); |
| } |
| } |
| |
| public Sampler create() { |
| mRS.validate(); |
| try { |
| android.renderscript.Sampler.Builder b = new android.renderscript.Sampler.Builder(mRS.mN); |
| b.setMinification(convertValue(mMin)); |
| b.setMagnification(convertValue(mMag)); |
| b.setWrapS(convertValue(mWrapS)); |
| b.setWrapT(convertValue(mWrapT)); |
| b.setAnisotropy(mAniso); |
| android.renderscript.Sampler s = b.create(); |
| |
| SamplerThunker sampler = new SamplerThunker(0, mRS); |
| sampler.mMin = mMin; |
| sampler.mMag = mMag; |
| sampler.mWrapS = mWrapS; |
| sampler.mWrapT = mWrapT; |
| sampler.mWrapR = mWrapR; |
| sampler.mAniso = mAniso; |
| sampler.mN = s; |
| |
| return sampler; |
| } catch (android.renderscript.RSRuntimeException e) { |
| throw ExceptionThunker.convertException(e); |
| } |
| } |
| } |
| |
| |
| } |