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 17package android.renderscript; 18 19 20import android.util.Config; 21import android.util.Log; 22 23 24/** 25 * @hide 26 * 27 **/ 28public class ProgramFragment extends BaseObj { 29 public static final int MAX_SLOT = 2; 30 31 public enum EnvMode { 32 REPLACE (0), 33 MODULATE (1), 34 DECAL (2); 35 36 int mID; 37 EnvMode(int id) { 38 mID = id; 39 } 40 } 41 42 43 ProgramFragment(int id, RenderScript rs) { 44 super(rs); 45 mID = id; 46 } 47 48 public void bindTexture(Allocation va, int slot) 49 throws IllegalArgumentException { 50 mRS.validate(); 51 if((slot < 0) || (slot >= MAX_SLOT)) { 52 throw new IllegalArgumentException("Slot ID out of range."); 53 } 54 55 mRS.nProgramFragmentBindTexture(mID, slot, va.mID); 56 } 57 58 public void bindSampler(Sampler vs, int slot) 59 throws IllegalArgumentException { 60 mRS.validate(); 61 if((slot < 0) || (slot >= MAX_SLOT)) { 62 throw new IllegalArgumentException("Slot ID out of range."); 63 } 64 65 mRS.nProgramFragmentBindSampler(mID, slot, vs.mID); 66 } 67 68 69 public static class Builder { 70 RenderScript mRS; 71 Element mIn; 72 Element mOut; 73 boolean mPointSpriteEnable; 74 75 private class Slot { 76 Type mType; 77 EnvMode mEnv; 78 boolean mTexEnable; 79 80 Slot() { 81 mTexEnable = false; 82 } 83 } 84 Slot[] mSlots; 85 86 public Builder(RenderScript rs, Element in, Element out) { 87 mRS = rs; 88 mIn = in; 89 mOut = out; 90 mSlots = new Slot[MAX_SLOT]; 91 mPointSpriteEnable = false; 92 for(int ct=0; ct < MAX_SLOT; ct++) { 93 mSlots[ct] = new Slot(); 94 } 95 } 96 97 public void setType(int slot, Type t) 98 throws IllegalArgumentException { 99 if((slot < 0) || (slot >= MAX_SLOT)) { 100 throw new IllegalArgumentException("Slot ID out of range."); 101 } 102 103 mSlots[slot].mType = t; 104 } 105 106 public void setTexEnable(boolean enable, int slot) 107 throws IllegalArgumentException { 108 if((slot < 0) || (slot >= MAX_SLOT)) { 109 throw new IllegalArgumentException("Slot ID out of range."); 110 } 111 112 mSlots[slot].mTexEnable = enable; 113 } 114 115 public void setTexEnvMode(EnvMode env, int slot) 116 throws IllegalArgumentException { 117 if((slot < 0) || (slot >= MAX_SLOT)) { 118 throw new IllegalArgumentException("Slot ID out of range."); 119 } 120 121 mSlots[slot].mEnv = env; 122 } 123 124 public void setPointSpriteTexCoordinateReplacement(boolean enable) { 125 mPointSpriteEnable = enable; 126 } 127 128 static synchronized ProgramFragment internalCreate(RenderScript rs, Builder b) { 129 int inID = 0; 130 int outID = 0; 131 if (b.mIn != null) { 132 inID = b.mIn.mID; 133 } 134 if (b.mOut != null) { 135 outID = b.mOut.mID; 136 } 137 rs.nProgramFragmentBegin(inID, outID, b.mPointSpriteEnable); 138 for(int ct=0; ct < MAX_SLOT; ct++) { 139 if(b.mSlots[ct].mTexEnable) { 140 Slot s = b.mSlots[ct]; 141 int typeID = 0; 142 if(s.mType != null) { 143 typeID = s.mType.mID; 144 } 145 rs.nProgramFragmentSetSlot(ct, true, s.mEnv.mID, typeID); 146 } 147 } 148 149 int id = rs.nProgramFragmentCreate(); 150 return new ProgramFragment(id, rs); 151 } 152 153 public ProgramFragment create() { 154 mRS.validate(); 155 return internalCreate(mRS, this); 156 } 157 } 158} 159 160 161 162