rsSampler.h revision e514b45de8561fbc6ef6770845102ca10b0a69d7 
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();
45
46    void bindToContext(SamplerState *, uint32_t slot);
47    void unbindFromContext(SamplerState *);
48
49protected:
50    RsSamplerValue mMagFilter;
51    RsSamplerValue mMinFilter;
52    RsSamplerValue mWrapS;
53    RsSamplerValue mWrapT;
54    RsSamplerValue mWrapR;
55
56    int32_t mBoundSlot;
57
58private:
59    Sampler(Context *);
60
61};
62
63
64class SamplerState
65{
66public:
67
68    RsSamplerValue mMagFilter;
69    RsSamplerValue mMinFilter;
70    RsSamplerValue mWrapS;
71    RsSamplerValue mWrapT;
72    RsSamplerValue mWrapR;
73
74
75    ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
76
77    void setupGL();
78
79};
80
81
82
83}
84}
85#endif //ANDROID_RS_SAMPLER_H
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