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Jason Samsd19f10d2009-05-22 14:03:28 -07001/*
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
Jason Samsd19f10d2009-05-22 14:03:28 -070020#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
Alex Sakhartchouked9f2102010-11-09 17:00:54 -080031class Sampler : public ObjectBase {
Jason Samsd19f10d2009-05-22 14:03:28 -070032public:
Alex Sakhartchouk117abdb2011-08-16 13:09:46 -070033 static ObjectBaseRef<Sampler> getSampler(Context *,
34 RsSamplerValue magFilter,
35 RsSamplerValue minFilter,
36 RsSamplerValue wrapS,
37 RsSamplerValue wrapT,
38 RsSamplerValue wrapR,
39 float aniso = 1.0f);
Jason Samsd19f10d2009-05-22 14:03:28 -070040 void bindToContext(SamplerState *, uint32_t slot);
41 void unbindFromContext(SamplerState *);
Alex Sakhartchoukaae74ad2010-06-04 10:06:50 -070042
Alex Sakhartchoukaa7d2882010-05-21 12:53:13 -070043 virtual void serialize(OStream *stream) const;
Alex Sakhartchoukaae74ad2010-06-04 10:06:50 -070044 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SAMPLER; }
Alex Sakhartchoukaa7d2882010-05-21 12:53:13 -070045 static Sampler *createFromStream(Context *rsc, IStream *stream);
Jason Samsd19f10d2009-05-22 14:03:28 -070046
Alex Sakhartchouka89094a2011-05-04 17:45:36 -070047 struct Hal {
48 mutable void *drv;
Jason Samsd19f10d2009-05-22 14:03:28 -070049
Alex Sakhartchouka89094a2011-05-04 17:45:36 -070050 struct State {
51 RsSamplerValue magFilter;
52 RsSamplerValue minFilter;
53 RsSamplerValue wrapS;
54 RsSamplerValue wrapT;
55 RsSamplerValue wrapR;
56 float aniso;
57 };
58 State state;
59 };
60 Hal mHal;
61
62protected:
Jason Samsd19f10d2009-05-22 14:03:28 -070063 int32_t mBoundSlot;
64
Alex Sakhartchouk117abdb2011-08-16 13:09:46 -070065 virtual void preDestroy() const;
66 virtual ~Sampler();
67
Jason Samsd19f10d2009-05-22 14:03:28 -070068private:
Jason Samsa9e7a052009-09-25 14:51:22 -070069 Sampler(Context *);
Alex Sakhartchouk117abdb2011-08-16 13:09:46 -070070 Sampler(Context *,
71 RsSamplerValue magFilter,
72 RsSamplerValue minFilter,
73 RsSamplerValue wrapS,
74 RsSamplerValue wrapT,
75 RsSamplerValue wrapR,
76 float aniso = 1.0f);
Jason Samsd19f10d2009-05-22 14:03:28 -070077};
78
79
Alex Sakhartchouked9f2102010-11-09 17:00:54 -080080class SamplerState {
Jason Samsd19f10d2009-05-22 14:03:28 -070081public:
Jason Samsd19f10d2009-05-22 14:03:28 -070082 ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
Alex Sakhartchouk117abdb2011-08-16 13:09:46 -070083 void init(Context *rsc) {
84 }
85 void deinit(Context *rsc) {
86 for (uint32_t i = 0; i < RS_MAX_SAMPLER_SLOT; i ++) {
87 mSamplers[i].clear();
88 }
89 }
90 // Cache of all existing raster programs.
91 Vector<Sampler *> mAllSamplers;
Jason Samsd19f10d2009-05-22 14:03:28 -070092};
93
Jason Samsd19f10d2009-05-22 14:03:28 -070094}
95}
96#endif //ANDROID_RS_SAMPLER_H
97
98
99