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 ProgramStore extends BaseObj {
29        public enum DepthFunc {
30        ALWAYS (0),
31        LESS (1),
32        LEQUAL (2),
33        GREATER (3),
34        GEQUAL (4),
35        EQUAL (5),
36        NOTEQUAL (6);
37
38        int mID;
39        DepthFunc(int id) {
40            mID = id;
41        }
42    }
43
44    public enum BlendSrcFunc {
45        ZERO (0),
46        ONE (1),
47        DST_COLOR (2),
48        ONE_MINUS_DST_COLOR (3),
49        SRC_ALPHA (4),
50        ONE_MINUS_SRC_ALPHA (5),
51        DST_ALPHA (6),
52        ONE_MINUS_DST_ALPHA (7),
53        SRC_ALPHA_SATURATE (8);
54
55        int mID;
56        BlendSrcFunc(int id) {
57            mID = id;
58        }
59    }
60
61    public enum BlendDstFunc {
62        ZERO (0),
63        ONE (1),
64        SRC_COLOR (2),
65        ONE_MINUS_SRC_COLOR (3),
66        SRC_ALPHA (4),
67        ONE_MINUS_SRC_ALPHA (5),
68        DST_ALPHA (6),
69        ONE_MINUS_DST_ALPHA (7);
70
71        int mID;
72        BlendDstFunc(int id) {
73            mID = id;
74        }
75    }
76
77
78    ProgramStore(int id, RenderScript rs) {
79        super(rs);
80        mID = id;
81    }
82
83
84
85    public static class Builder {
86        RenderScript mRS;
87        Element mIn;
88        Element mOut;
89        DepthFunc mDepthFunc;
90        boolean mDepthMask;
91        boolean mColorMaskR;
92        boolean mColorMaskG;
93        boolean mColorMaskB;
94        boolean mColorMaskA;
95        BlendSrcFunc mBlendSrc;
96        BlendDstFunc mBlendDst;
97        boolean mDither;
98
99
100
101        public Builder(RenderScript rs, Element in, Element out) {
102            mRS = rs;
103            mIn = in;
104            mOut = out;
105            mDepthFunc = DepthFunc.ALWAYS;
106            mDepthMask = false;
107            mColorMaskR = true;
108            mColorMaskG = true;
109            mColorMaskB = true;
110            mColorMaskA = true;
111            mBlendSrc = BlendSrcFunc.ONE;
112            mBlendDst = BlendDstFunc.ZERO;
113
114
115        }
116
117        public void setDepthFunc(DepthFunc func) {
118            mDepthFunc = func;
119        }
120
121        public void setDepthMask(boolean enable) {
122            mDepthMask = enable;
123        }
124
125        public void setColorMask(boolean r, boolean g, boolean b, boolean a) {
126            mColorMaskR = r;
127            mColorMaskG = g;
128            mColorMaskB = b;
129            mColorMaskA = a;
130        }
131
132        public void setBlendFunc(BlendSrcFunc src, BlendDstFunc dst) {
133            mBlendSrc = src;
134            mBlendDst = dst;
135        }
136
137        public void setDitherEnable(boolean enable) {
138            mDither = enable;
139        }
140
141        static synchronized ProgramStore internalCreate(RenderScript rs, Builder b) {
142            int inID = 0;
143            int outID = 0;
144            if (b.mIn != null) {
145                inID = b.mIn.mID;
146            }
147            if (b.mOut != null) {
148                outID = b.mOut.mID;
149            }
150            rs.nProgramFragmentStoreBegin(inID, outID);
151            rs.nProgramFragmentStoreDepthFunc(b.mDepthFunc.mID);
152            rs.nProgramFragmentStoreDepthMask(b.mDepthMask);
153            rs.nProgramFragmentStoreColorMask(b.mColorMaskR,
154                                              b.mColorMaskG,
155                                              b.mColorMaskB,
156                                              b.mColorMaskA);
157            rs.nProgramFragmentStoreBlendFunc(b.mBlendSrc.mID, b.mBlendDst.mID);
158            rs.nProgramFragmentStoreDither(b.mDither);
159
160            int id = rs.nProgramFragmentStoreCreate();
161            return new ProgramStore(id, rs);
162        }
163
164        public ProgramStore create() {
165            mRS.validate();
166            return internalCreate(mRS, this);
167        }
168    }
169
170}
171
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175