| /* |
| * Copyright (C) 2008 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.Config; |
| import android.util.Log; |
| |
| |
| /** |
| * Program raster is primarily used to specify whether point sprites are enabled and to control |
| * the culling mode. By default, back faces are culled. |
| **/ |
| public class ProgramRaster extends BaseObj { |
| |
| public enum CullMode { |
| BACK (0), |
| FRONT (1), |
| NONE (2); |
| |
| int mID; |
| CullMode(int id) { |
| mID = id; |
| } |
| } |
| |
| boolean mPointSmooth; |
| boolean mLineSmooth; |
| boolean mPointSprite; |
| float mLineWidth; |
| CullMode mCullMode; |
| |
| ProgramRaster(int id, RenderScript rs) { |
| super(id, rs); |
| |
| mLineWidth = 1.0f; |
| mPointSmooth = false; |
| mLineSmooth = false; |
| mPointSprite = false; |
| |
| mCullMode = CullMode.BACK; |
| } |
| |
| void setLineWidth(float w) { |
| mRS.validate(); |
| mLineWidth = w; |
| mRS.nProgramRasterSetLineWidth(getID(), w); |
| } |
| |
| void setCullMode(CullMode m) { |
| mRS.validate(); |
| mCullMode = m; |
| mRS.nProgramRasterSetCullMode(getID(), m.mID); |
| } |
| |
| public static ProgramRaster CULL_BACK(RenderScript rs) { |
| if(rs.mProgramRaster_CULL_BACK == null) { |
| ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| builder.setCullMode(CullMode.BACK); |
| rs.mProgramRaster_CULL_BACK = builder.create(); |
| } |
| return rs.mProgramRaster_CULL_BACK; |
| } |
| |
| public static ProgramRaster CULL_FRONT(RenderScript rs) { |
| if(rs.mProgramRaster_CULL_FRONT == null) { |
| ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| builder.setCullMode(CullMode.FRONT); |
| rs.mProgramRaster_CULL_FRONT = builder.create(); |
| } |
| return rs.mProgramRaster_CULL_FRONT; |
| } |
| |
| public static ProgramRaster CULL_NONE(RenderScript rs) { |
| if(rs.mProgramRaster_CULL_NONE == null) { |
| ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| builder.setCullMode(CullMode.NONE); |
| rs.mProgramRaster_CULL_NONE = builder.create(); |
| } |
| return rs.mProgramRaster_CULL_NONE; |
| } |
| |
| public static class Builder { |
| RenderScript mRS; |
| boolean mPointSprite; |
| boolean mPointSmooth; |
| boolean mLineSmooth; |
| CullMode mCullMode; |
| |
| public Builder(RenderScript rs) { |
| mRS = rs; |
| mPointSmooth = false; |
| mLineSmooth = false; |
| mPointSprite = false; |
| mCullMode = CullMode.BACK; |
| } |
| |
| public Builder setPointSpriteEnabled(boolean enable) { |
| mPointSprite = enable; |
| return this; |
| } |
| |
| public Builder setCullMode(CullMode m) { |
| mCullMode = m; |
| return this; |
| } |
| |
| static synchronized ProgramRaster internalCreate(RenderScript rs, Builder b) { |
| int id = rs.nProgramRasterCreate(b.mPointSmooth, b.mLineSmooth, b.mPointSprite); |
| ProgramRaster pr = new ProgramRaster(id, rs); |
| pr.setCullMode(b.mCullMode); |
| return pr; |
| } |
| |
| public ProgramRaster create() { |
| mRS.validate(); |
| return internalCreate(mRS, this); |
| } |
| } |
| |
| } |
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