1 /*
2  * Copyright (C) 2012 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 #ifndef ANDROID_RS_SCRIPT_GROUP_H
18 #define ANDROID_RS_SCRIPT_GROUP_H
19 
20 #include "rsScriptGroupBase.h"
21 
22 #include <vector>
23 
24 // ---------------------------------------------------------------------------
25 namespace android {
26 namespace renderscript {
27 
28 class Allocation;
29 class Context;
30 class ProgramVertex;
31 class ProgramFragment;
32 class ProgramRaster;
33 class ProgramStore;
34 class Script;
35 class ScriptFieldID;
36 class ScriptKernelID;
37 class Type;
38 
39 class ScriptGroup : public ScriptGroupBase {
40 public:
getApiVersion()41     virtual SG_API_Version getApiVersion() const { return SG_V1; }
42     virtual void execute(Context *rsc);
43 
44     std::vector<ObjectBaseRef<ScriptKernelID> > mKernels;
45 
46     class Link {
47     public:
48         ObjectBaseRef<const ScriptKernelID> mSource;
49         ObjectBaseRef<const ScriptKernelID> mDstKernel;
50         ObjectBaseRef<const ScriptFieldID> mDstField;
51         ObjectBaseRef<const Type> mType;
52         ObjectBaseRef<Allocation> mAlloc;
53         Link();
54         ~Link();
55     };
56 
57     class Node {
58     public:
59         explicit Node(Script *);
60 
61         std::vector<const ScriptKernelID *> mKernels;
62         std::vector<Link *> mOutputs;
63         std::vector<Link *> mInputs;
64         bool mSeen;
65         int mOrder;
66         Script *mScript;
67     };
68 
69     class IO {
70     public:
71         explicit IO(const ScriptKernelID *);
72 
73         const ScriptKernelID *mKernel;
74         ObjectBaseRef<Allocation> mAlloc;
75     };
76 
77     std::vector<Link *> mLinks;
78     std::vector<Node *> mNodes;
79     std::vector<IO *> mInputs;
80     std::vector<IO *> mOutputs;
81 
82     static ScriptGroup * create(Context *rsc,
83                            ScriptKernelID ** kernels, size_t kernelsSize,
84                            ScriptKernelID ** src, size_t srcSize,
85                            ScriptKernelID ** dstK, size_t dstKSize,
86                            ScriptFieldID ** dstF, size_t dstFSize,
87                            const Type ** type, size_t typeSize);
88 
89     void setInput(Context *rsc, ScriptKernelID *kid, Allocation *a);
90     void setOutput(Context *rsc, ScriptKernelID *kid, Allocation *a);
91 
92 protected:
93     virtual ~ScriptGroup();
94     bool mInitialized;
95 
96 
97 private:
98     bool calcOrderRecurse(Node *n, int depth);
99     bool calcOrder();
100     Node * findNode(Script *s) const;
101     // Check if input/output Allocations are correctly set for a ScriptGroup.
102     // Send any error back to the client (app). Called before the ScriptGroup
103     // executes. Skips the exeuction if validation fails.
104     bool validateInputAndOutput(Context *);
105 
106     explicit ScriptGroup(Context *);
107 };
108 
109 
110 } // namespace renderscript
111 } // namespace android
112 #endif
113 
114