rsSampler.h revision fb6b614bcea88a587a7ea4530be45ff0ffa0210e 
1/*
2 * Copyright (C) 2009 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_SAMPLER_H
18#define ANDROID_RS_SAMPLER_H
19
20#include "rsAllocation.h"
21#include "RenderScript.h"
22
23// ---------------------------------------------------------------------------
24namespace android {
25namespace renderscript {
26
27const static uint32_t RS_MAX_SAMPLER_SLOT = 16;
28
29class SamplerState;
30
31class Sampler : public ObjectBase
32{
33public:
34    Sampler(Context *,
35            RsSamplerValue magFilter,
36            RsSamplerValue minFilter,
37            RsSamplerValue wrapS,
38            RsSamplerValue wrapT,
39            RsSamplerValue wrapR);
40
41    virtual ~Sampler();
42
43    void bind(Allocation *);
44    void setupGL(const Context *, bool npot);
45
46    void bindToContext(SamplerState *, uint32_t slot);
47    void unbindFromContext(SamplerState *);
48
49    virtual void serialize(OStream *stream) const;
50    virtual A3DClassID getClassId() const { return A3D_CLASS_ID_SAMPLER; }
51    static Sampler *createFromStream(Context *rsc, IStream *stream);
52
53protected:
54    RsSamplerValue mMagFilter;
55    RsSamplerValue mMinFilter;
56    RsSamplerValue mWrapS;
57    RsSamplerValue mWrapT;
58    RsSamplerValue mWrapR;
59
60    int32_t mBoundSlot;
61
62private:
63    Sampler(Context *);
64
65};
66
67
68class SamplerState
69{
70public:
71
72    RsSamplerValue mMagFilter;
73    RsSamplerValue mMinFilter;
74    RsSamplerValue mWrapS;
75    RsSamplerValue mWrapT;
76    RsSamplerValue mWrapR;
77
78
79    ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
80
81    //void setupGL();
82
83};
84
85
86
87}
88}
89#endif //ANDROID_RS_SAMPLER_H
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