Home | History | Annotate | Download | only in renderscript 
      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 
     20 import android.util.Config;
     21 import android.util.Log;
     22 
     23 
     24 /**
     25  * @hide
     26  *
     27  **/
     28 public class ProgramFragment extends Program {
     29     ProgramFragment(int id, RenderScript rs) {
     30         super(id, rs);
     31     }
     32 
     33     public static class ShaderBuilder extends BaseProgramBuilder {
     34         public ShaderBuilder(RenderScript rs) {
     35             super(rs);
     36         }
     37 
     38         public ProgramFragment create() {
     39             mRS.validate();
     40             int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + 1) * 2];
     41             int idx = 0;
     42 
     43             for (int i=0; i < mInputCount; i++) {
     44                 tmp[idx++] = 0;
     45                 tmp[idx++] = mInputs[i].mID;
     46             }
     47             for (int i=0; i < mOutputCount; i++) {
     48                 tmp[idx++] = 1;
     49                 tmp[idx++] = mOutputs[i].mID;
     50             }
     51             for (int i=0; i < mConstantCount; i++) {
     52                 tmp[idx++] = 2;
     53                 tmp[idx++] = mConstants[i].mID;
     54             }
     55             tmp[idx++] = 3;
     56             tmp[idx++] = mTextureCount;
     57 
     58             int id = mRS.nProgramFragmentCreate2(mShader, tmp);
     59             ProgramFragment pf = new ProgramFragment(id, mRS);
     60             initProgram(pf);
     61             return pf;
     62         }
     63     }
     64 
     65     public static class Builder {
     66         public static final int MAX_TEXTURE = 2;
     67         RenderScript mRS;
     68         boolean mPointSpriteEnable;
     69 
     70         public enum EnvMode {
     71             REPLACE (1),
     72             MODULATE (2),
     73             DECAL (3);
     74 
     75             int mID;
     76             EnvMode(int id) {
     77                 mID = id;
     78             }
     79         }
     80 
     81         public enum Format {
     82             ALPHA (1),
     83             LUMINANCE_ALPHA (2),
     84             RGB (3),
     85             RGBA (4);
     86 
     87             int mID;
     88             Format(int id) {
     89                 mID = id;
     90             }
     91         }
     92 
     93         private class Slot {
     94             EnvMode env;
     95             Format format;
     96             Slot(EnvMode _env, Format _fmt) {
     97                 env = _env;
     98                 format = _fmt;
     99             }
    100         }
    101         Slot[] mSlots;
    102 
    103         public Builder(RenderScript rs) {
    104             mRS = rs;
    105             mSlots = new Slot[MAX_TEXTURE];
    106             mPointSpriteEnable = false;
    107         }
    108 
    109         public void setTexture(EnvMode env, Format fmt, int slot)
    110             throws IllegalArgumentException {
    111             if((slot < 0) || (slot >= MAX_TEXTURE)) {
    112                 throw new IllegalArgumentException("MAX_TEXTURE exceeded.");
    113             }
    114             mSlots[slot] = new Slot(env, fmt);
    115         }
    116 
    117         public void setPointSpriteTexCoordinateReplacement(boolean enable) {
    118             mPointSpriteEnable = enable;
    119         }
    120 
    121         public ProgramFragment create() {
    122             mRS.validate();
    123             int[] tmp = new int[MAX_TEXTURE * 2 + 1];
    124             if (mSlots[0] != null) {
    125                 tmp[0] = mSlots[0].env.mID;
    126                 tmp[1] = mSlots[0].format.mID;
    127             }
    128             if (mSlots[1] != null) {
    129                 tmp[2] = mSlots[1].env.mID;
    130                 tmp[3] = mSlots[1].format.mID;
    131             }
    132             tmp[4] = mPointSpriteEnable ? 1 : 0;
    133             int id = mRS.nProgramFragmentCreate(tmp);
    134             ProgramFragment pf = new ProgramFragment(id, mRS);
    135             pf.mTextureCount = MAX_TEXTURE;
    136             return pf;
    137         }
    138     }
    139 }
    140 
    141 
    142 
    143