rsProgramFragment.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_PROGRAM_FRAGMENT_H
18#define ANDROID_RS_PROGRAM_FRAGMENT_H
19
20#include "rsProgram.h"
21
22// ---------------------------------------------------------------------------
23namespace android {
24namespace renderscript {
25
26class ProgramFragmentState;
27
28class ProgramFragment : public Program
29{
30public:
31    const static uint32_t MAX_TEXTURE = 2;
32
33
34
35    ProgramFragment(Context *, Element *in, Element *out, bool pointSpriteEnable);
36    virtual ~ProgramFragment();
37
38    virtual void setupGL(const Context *, ProgramFragmentState *);
39
40
41
42    void bindTexture(uint32_t slot, Allocation *);
43    void bindSampler(uint32_t slot, Sampler *);
44    void setType(uint32_t slot, const Element *, uint32_t dim);
45
46    void setEnvMode(uint32_t slot, RsTexEnvMode);
47    void setTexEnable(uint32_t slot, bool);
48
49
50
51protected:
52    // The difference between Textures and Constants is how they are accessed
53    // Texture lookups go though a sampler which in effect converts normalized
54    // coordinates into type specific.  Multiple samples may also be taken
55    // and filtered.
56    //
57    // Constants are strictly accessed by programetic loads.
58    ObjectBaseRef<Allocation> mTextures[MAX_TEXTURE];
59    ObjectBaseRef<Sampler> mSamplers[MAX_TEXTURE];
60    ObjectBaseRef<const Element> mTextureFormats[MAX_TEXTURE];
61    uint32_t mTextureDimensions[MAX_TEXTURE];
62
63
64    // Hacks to create a program for now
65    RsTexEnvMode mEnvModes[MAX_TEXTURE];
66    uint32_t mTextureEnableMask;
67    bool mPointSpriteEnable;
68};
69
70class ProgramFragmentState
71{
72public:
73    ProgramFragmentState();
74    ~ProgramFragmentState();
75
76    ProgramFragment *mPF;
77    void init(Context *rsc, int32_t w, int32_t h);
78
79    ObjectBaseRef<Type> mTextureTypes[ProgramFragment::MAX_TEXTURE];
80    ObjectBaseRef<ProgramFragment> mDefault;
81    Vector<ProgramFragment *> mPrograms;
82
83    ObjectBaseRef<ProgramFragment> mLast;
84};
85
86
87}
88}
89#endif
90
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