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Jason Sams326e0dd2009-05-22 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 Sams326e0dd2009-05-22 14:03:28 -070020#include "rsAllocation.h"
Jason Sams326e0dd2009-05-22 14:03:28 -070021
22// ---------------------------------------------------------------------------
23namespace android {
24namespace renderscript {
25
26const static uint32_t RS_MAX_SAMPLER_SLOT = 16;
27
28class SamplerState;
Alex Sakhartchouk407f8ca2011-09-23 17:05:04 -070029/*****************************************************************************
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 *****************************************************************************/
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080037class Sampler : public ObjectBase {
Jason Sams326e0dd2009-05-22 14:03:28 -070038public:
Alex Sakhartchoukc2c02a82011-05-04 17:45:36 -070039 struct Hal {
40 mutable void *drv;
Jason Sams326e0dd2009-05-22 14:03:28 -070041
Alex Sakhartchoukc2c02a82011-05-04 17:45:36 -070042 struct State {
43 RsSamplerValue magFilter;
44 RsSamplerValue minFilter;
45 RsSamplerValue wrapS;
46 RsSamplerValue wrapT;
47 RsSamplerValue wrapR;
48 float aniso;
49 };
50 State state;
51 };
52 Hal mHal;
53
Ling Wan3abc05b2013-03-15 16:21:50 -070054 void operator delete(void* ptr);
55
Alex Sakhartchouk407f8ca2011-09-23 17:05:04 -070056 static ObjectBaseRef<Sampler> getSampler(Context *,
57 RsSamplerValue magFilter,
58 RsSamplerValue minFilter,
59 RsSamplerValue wrapS,
60 RsSamplerValue wrapT,
61 RsSamplerValue wrapR,
62 float aniso = 1.0f);
63 void bindToContext(SamplerState *, uint32_t slot);
64 void unbindFromContext(SamplerState *);
65
Jason Samse3150cf2012-07-24 18:10:20 -070066 virtual void serialize(Context *rsc, OStream *stream) const;
Alex Sakhartchouk407f8ca2011-09-23 17:05:04 -070067 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_SAMPLER; }
68 static Sampler *createFromStream(Context *rsc, IStream *stream);
69
Alex Sakhartchoukc2c02a82011-05-04 17:45:36 -070070protected:
Jason Sams326e0dd2009-05-22 14:03:28 -070071 int32_t mBoundSlot;
72
Alex Sakhartchoukc700e642011-08-16 13:09:46 -070073 virtual void preDestroy() const;
74 virtual ~Sampler();
75
Jason Sams326e0dd2009-05-22 14:03:28 -070076private:
Jason Samse514b452009-09-25 14:51:22 -070077 Sampler(Context *);
Alex Sakhartchoukc700e642011-08-16 13:09:46 -070078 Sampler(Context *,
79 RsSamplerValue magFilter,
80 RsSamplerValue minFilter,
81 RsSamplerValue wrapS,
82 RsSamplerValue wrapT,
83 RsSamplerValue wrapR,
84 float aniso = 1.0f);
Jason Sams326e0dd2009-05-22 14:03:28 -070085};
86
87
Alex Sakhartchoukafb743a2010-11-09 17:00:54 -080088class SamplerState {
Jason Sams326e0dd2009-05-22 14:03:28 -070089public:
Jason Sams326e0dd2009-05-22 14:03:28 -070090 ObjectBaseRef<Sampler> mSamplers[RS_MAX_SAMPLER_SLOT];
Alex Sakhartchoukc700e642011-08-16 13:09:46 -070091 void init(Context *rsc) {
92 }
93 void deinit(Context *rsc) {
94 for (uint32_t i = 0; i < RS_MAX_SAMPLER_SLOT; i ++) {
95 mSamplers[i].clear();
96 }
97 }
98 // Cache of all existing raster programs.
Yang Nib8353c52015-02-14 18:00:59 -080099 Vector<Sampler *> mAllSamplers;
Jason Sams326e0dd2009-05-22 14:03:28 -0700100};
101
Jason Sams326e0dd2009-05-22 14:03:28 -0700102}
103}
104#endif //ANDROID_RS_SAMPLER_H
Yang Nib8353c52015-02-14 18:00:59 -0800105
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