rsProgramFragment.h revision a0a1b6fbece2eb8d72d788422ab3e5f58d5a9216 
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
26
27class ProgramFragment : public Program
28{
29public:
30    const static uint32_t MAX_TEXTURE = 2;
31    const static uint32_t MAX_CONSTANTS = 2;
32
33
34
35    ProgramFragment(Element *in, Element *out);
36    virtual ~ProgramFragment();
37
38    virtual void setupGL();
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    ObjectBaseRef<Allocation> mConstants[MAX_CONSTANTS];
65    ObjectBaseRef<Type> mConstantTypes[MAX_CONSTANTS];
66
67
68    // Hacks to create a program for now
69    RsTexEnvMode mEnvModes[MAX_TEXTURE];
70    uint32_t mTextureEnableMask;
71
72
73
74
75
76};
77
78class ProgramFragmentState
79{
80public:
81    ProgramFragmentState();
82    ~ProgramFragmentState();
83
84    ProgramFragment *mPF;
85
86    ObjectBaseRef<Type> mTextureTypes[ProgramFragment::MAX_TEXTURE];
87
88    Vector<ProgramFragment *> mPrograms;
89};
90
91
92}
93}
94#endif
95
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99