1 /*
2  * Copyright (C) 2009-2011 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_PROGRAM_RASTER_H
18 #define ANDROID_RS_PROGRAM_RASTER_H
19 
20 #include "rsProgramBase.h"
21 
22 // ---------------------------------------------------------------------------
23 namespace android {
24 namespace renderscript {
25 
26 class ProgramRasterState;
27 /*****************************************************************************
28  * CAUTION
29  *
30  * Any layout changes for this class may require a corresponding change to be
31  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
32  * a partial copy of the information below.
33  *
34  *****************************************************************************/
35 class ProgramRaster : public ProgramBase {
36 public:
37     struct Hal {
38         mutable void *drv;
39 
40         struct State {
41             bool pointSprite;
42             RsCullMode cull;
43         };
44         State state;
45     };
46     Hal mHal;
47 
48     virtual void setup(const Context *, ProgramRasterState *);
49     virtual void serialize(Context *rsc, OStream *stream) const;
getClassId()50     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_PROGRAM_RASTER; }
51     static ProgramRaster *createFromStream(Context *rsc, IStream *stream);
52 
53     static ObjectBaseRef<ProgramRaster> getProgramRaster(Context *rsc,
54                                                          bool pointSprite,
55                                                          RsCullMode cull);
56 protected:
57     virtual void preDestroy() const;
58     virtual ~ProgramRaster();
59 
60 private:
61     ProgramRaster(Context *rsc,
62                   bool pointSprite,
63                   RsCullMode cull);
64 
65 };
66 
67 class ProgramRasterState {
68 public:
69     ProgramRasterState();
70     ~ProgramRasterState();
71     void init(Context *rsc);
72     void deinit(Context *rsc);
73 
74     ObjectBaseRef<ProgramRaster> mDefault;
75     ObjectBaseRef<ProgramRaster> mLast;
76 
77     // Cache of all existing raster programs.
78     Vector<ProgramRaster *> mRasterPrograms;
79 };
80 
81 
82 }
83 }
84 #endif
85 
86 
87 
88 
89