1/*
2 * Copyright (C) 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_FRAME_BUFFER_OBJECT_CACHE_H
18#define ANDROID_FRAME_BUFFER_OBJECT_CACHE_H
19
20#include "rsObjectBase.h"
21
22// ---------------------------------------------------------------------------
23namespace android {
24namespace renderscript {
25
26class Allocation;
27
28class FBOCache {
29public:
30    FBOCache();
31    ~FBOCache();
32
33    void init(Context *rsc);
34    void deinit(Context *rsc);
35
36    void bindColorTarget(Context *rsc, Allocation *a, uint32_t slot);
37    void bindDepthTarget(Context *, Allocation *a);
38    void resetAll(Context *);
39
40    void setup(Context *);
41    void updateSize() { mDirty = true; }
42
43    struct Hal {
44        mutable void *drv;
45
46        struct State {
47            Allocation **colorTargets;
48            uint32_t colorTargetsCount;
49            Allocation *depthTarget;
50        };
51        State state;
52    };
53    Hal mHal;
54
55protected:
56    ObjectBaseRef<Allocation> *mColorTargets;
57    ObjectBaseRef<Allocation> mDepthTarget;
58    bool mDirty;
59    void checkError(Context *);
60    void setColorAttachment(Context *rsc);
61    void setDepthAttachment(Context *rsc);
62    bool renderToFramebuffer();
63
64};
65
66} // renderscript
67} // android
68
69#endif //ANDROID_FRAME_BUFFER_OBJECT_CACHE_H
70