1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_RS_PROGRAM_H
#define ANDROID_RS_PROGRAM_H
#include "rsObjectBase.h"
#include "rsElement.h"
// ---------------------------------------------------------------------------
namespace android {
namespace renderscript {
class ShaderCache;
#define RS_SHADER_INTERNAL "//rs_shader_internal\n"
class Program : public ObjectBase
{
public:
const static uint32_t MAX_ATTRIBS = 8;
const static uint32_t MAX_UNIFORMS = 16;
const static uint32_t MAX_TEXTURE = 2;
Program(Context *);
Program(Context *, const char * shaderText, uint32_t shaderLength,
const uint32_t * params, uint32_t paramLength);
virtual ~Program();
void bindAllocation(Allocation *, uint32_t slot);
virtual void createShader();
bool isUserProgram() const {return !mIsInternal;}
void bindTexture(uint32_t slot, Allocation *);
void bindSampler(uint32_t slot, Sampler *);
uint32_t getShaderID() const {return mShaderID;}
void setShader(const char *, uint32_t len);
uint32_t getAttribCount() const {return mAttribCount;}
uint32_t getUniformCount() const {return mUniformCount;}
const String8 & getAttribName(uint32_t i) const {return mAttribNames[i];}
const String8 & getUniformName(uint32_t i) const {return mUniformNames[i];}
String8 getGLSLInputString() const;
String8 getGLSLOutputString() const;
String8 getGLSLConstantString() const;
bool isValid() const {return mIsValid;}
protected:
// Components not listed in "in" will be passed though
// unless overwritten by components in out.
ObjectBaseRef<Element> *mInputElements;
ObjectBaseRef<Element> *mOutputElements;
ObjectBaseRef<Type> *mConstantTypes;
uint32_t mInputCount;
uint32_t mOutputCount;
uint32_t mConstantCount;
bool mIsValid;
bool mIsInternal;
// Applies to vertex and fragment shaders only
void appendUserConstants();
void setupUserConstants(ShaderCache *sc, bool isFragment);
void initAddUserElement(const Element *e, String8 *names, uint32_t *count, const char *prefix);
ObjectBaseRef<Allocation> mConstants[MAX_UNIFORMS];
mutable bool mDirty;
String8 mShader;
String8 mUserShader;
uint32_t mShaderID;
uint32_t mTextureCount;
uint32_t mAttribCount;
uint32_t mUniformCount;
String8 mAttribNames[MAX_ATTRIBS];
String8 mUniformNames[MAX_UNIFORMS];
// The difference between Textures and Constants is how they are accessed
// Texture lookups go though a sampler which in effect converts normalized
// coordinates into type specific. Multiple samples may also be taken
// and filtered.
//
// Constants are strictly accessed by programetic loads.
ObjectBaseRef<Allocation> mTextures[MAX_TEXTURE];
ObjectBaseRef<Sampler> mSamplers[MAX_TEXTURE];
bool loadShader(Context *, uint32_t type);
public:
void forceDirty() const {mDirty = true;}
};
}
}
#endif
|
