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#include <vector>
23
24// ---------------------------------------------------------------------------
25namespace android {
26namespace renderscript {
27
28class ProgramRasterState;
29/*****************************************************************************
30 * CAUTION
31 *
32 * Any layout changes for this class may require a corresponding change to be
33 * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
34 * a partial copy of the information below.
35 *
36 *****************************************************************************/
37class ProgramRaster : public ProgramBase {
38public:
39    struct Hal {
40        mutable void *drv;
41
42        struct State {
43            bool pointSprite;
44            RsCullMode cull;
45        };
46        State state;
47    };
48    Hal mHal;
49
50    virtual void setup(const Context *, ProgramRasterState *);
51    virtual void serialize(Context *rsc, OStream *stream) const;
52    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_PROGRAM_RASTER; }
53    static ProgramRaster *createFromStream(Context *rsc, IStream *stream);
54
55    static ObjectBaseRef<ProgramRaster> getProgramRaster(Context *rsc,
56                                                         bool pointSprite,
57                                                         RsCullMode cull);
58protected:
59    virtual void preDestroy() const;
60    virtual ~ProgramRaster();
61
62private:
63    ProgramRaster(Context *rsc,
64                  bool pointSprite,
65                  RsCullMode cull);
66
67};
68
69class ProgramRasterState {
70public:
71    ProgramRasterState();
72    ~ProgramRasterState();
73    void init(Context *rsc);
74    void deinit(Context *rsc);
75
76    ObjectBaseRef<ProgramRaster> mDefault;
77    ObjectBaseRef<ProgramRaster> mLast;
78
79    // Cache of all existing raster programs.
80    std::vector<ProgramRaster *> mRasterPrograms;
81};
82
83
84} // namespace renderscript
85} // namespace android
86#endif
87
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90
91