Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.renderscript; |
| 18 | |
| 19 | |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 20 | import android.util.Log; |
| 21 | |
| 22 | |
| 23 | /** |
Robert Ly | 11518ac | 2011-02-09 13:57:06 -0800 | [diff] [blame] | 24 | * Program raster is primarily used to specify whether point sprites are enabled and to control |
| 25 | * the culling mode. By default, back faces are culled. |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 26 | **/ |
| 27 | public class ProgramRaster extends BaseObj { |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 28 | |
| 29 | public enum CullMode { |
| 30 | BACK (0), |
| 31 | FRONT (1), |
| 32 | NONE (2); |
| 33 | |
| 34 | int mID; |
| 35 | CullMode(int id) { |
| 36 | mID = id; |
| 37 | } |
| 38 | } |
| 39 | |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 40 | boolean mPointSmooth; |
| 41 | boolean mLineSmooth; |
| 42 | boolean mPointSprite; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 43 | float mLineWidth; |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 44 | CullMode mCullMode; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 45 | |
| 46 | ProgramRaster(int id, RenderScript rs) { |
Alex Sakhartchouk | 0de9444 | 2010-08-11 14:41:28 -0700 | [diff] [blame] | 47 | super(id, rs); |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 48 | |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 49 | mLineWidth = 1.0f; |
| 50 | mPointSmooth = false; |
| 51 | mLineSmooth = false; |
| 52 | mPointSprite = false; |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 53 | |
| 54 | mCullMode = CullMode.BACK; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 55 | } |
| 56 | |
Alex Sakhartchouk | d36f248 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 57 | public static ProgramRaster CULL_BACK(RenderScript rs) { |
| 58 | if(rs.mProgramRaster_CULL_BACK == null) { |
| 59 | ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| 60 | builder.setCullMode(CullMode.BACK); |
| 61 | rs.mProgramRaster_CULL_BACK = builder.create(); |
| 62 | } |
| 63 | return rs.mProgramRaster_CULL_BACK; |
| 64 | } |
| 65 | |
| 66 | public static ProgramRaster CULL_FRONT(RenderScript rs) { |
| 67 | if(rs.mProgramRaster_CULL_FRONT == null) { |
| 68 | ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| 69 | builder.setCullMode(CullMode.FRONT); |
| 70 | rs.mProgramRaster_CULL_FRONT = builder.create(); |
| 71 | } |
| 72 | return rs.mProgramRaster_CULL_FRONT; |
| 73 | } |
| 74 | |
| 75 | public static ProgramRaster CULL_NONE(RenderScript rs) { |
| 76 | if(rs.mProgramRaster_CULL_NONE == null) { |
| 77 | ProgramRaster.Builder builder = new ProgramRaster.Builder(rs); |
| 78 | builder.setCullMode(CullMode.NONE); |
| 79 | rs.mProgramRaster_CULL_NONE = builder.create(); |
| 80 | } |
| 81 | return rs.mProgramRaster_CULL_NONE; |
| 82 | } |
| 83 | |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 84 | public static class Builder { |
| 85 | RenderScript mRS; |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 86 | boolean mPointSprite; |
| 87 | boolean mPointSmooth; |
| 88 | boolean mLineSmooth; |
Alex Sakhartchouk | d36f248 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 89 | CullMode mCullMode; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 90 | |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 91 | public Builder(RenderScript rs) { |
| 92 | mRS = rs; |
| 93 | mPointSmooth = false; |
| 94 | mLineSmooth = false; |
| 95 | mPointSprite = false; |
Alex Sakhartchouk | d36f248 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 96 | mCullMode = CullMode.BACK; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame] | 99 | public Builder setPointSpriteEnabled(boolean enable) { |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 100 | mPointSprite = enable; |
Jim Shuma | 288c871 | 2010-07-07 14:24:21 -0700 | [diff] [blame] | 101 | return this; |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 102 | } |
| 103 | |
Alex Sakhartchouk | d36f248 | 2010-08-24 11:37:33 -0700 | [diff] [blame] | 104 | public Builder setCullMode(CullMode m) { |
| 105 | mCullMode = m; |
| 106 | return this; |
| 107 | } |
| 108 | |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 109 | public ProgramRaster create() { |
Jason Sams | 771bebb | 2009-12-07 12:40:12 -0800 | [diff] [blame] | 110 | mRS.validate(); |
Jason Sams | 331bf9b | 2011-04-06 11:23:54 -0700 | [diff] [blame] | 111 | int id = mRS.nProgramRasterCreate(mPointSmooth, mLineSmooth, mPointSprite, |
| 112 | 1.f, mCullMode.mID); |
| 113 | return new ProgramRaster(id, mRS); |
Jason Sams | ebfb436 | 2009-09-23 13:57:02 -0700 | [diff] [blame] | 114 | } |
| 115 | } |
| 116 | |
| 117 | } |
| 118 | |
| 119 | |
| 120 | |
| 121 | |
| 122 | |
Alex Sakhartchouk | 80a4c2c | 2010-07-12 15:50:32 -0700 | [diff] [blame] | 123 | |