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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_STRUCTURED_TYPE_H
18 #define ANDROID_STRUCTURED_TYPE_H
19 
20 #include "rsElement.h"
21 
22 // ---------------------------------------------------------------------------
23 namespace android {
24 namespace renderscript {
25 
26 
27 class Type : public ObjectBase
28 {
29 public:
30     Type(Context *);
31     virtual ~Type();
32 
33     Type * createTex2D(const Element *, size_t w, size_t h, bool mip);
34 
35 
36     size_t getOffsetForFace(uint32_t face) const;
37 
getSizeBytes()38     size_t getSizeBytes() const {return mTotalSizeBytes;}
getElementSizeBytes()39     size_t getElementSizeBytes() const {return mElement->getSizeBytes();}
getElement()40     const Element * getElement() const {return mElement.get();}
41 
getDimX()42     uint32_t getDimX() const {return mDimX;}
getDimY()43     uint32_t getDimY() const {return mDimY;}
getDimZ()44     uint32_t getDimZ() const {return mDimZ;}
getDimLOD()45     uint32_t getDimLOD() const {return mDimLOD;}
getDimFaces()46     bool getDimFaces() const {return mFaces;}
47 
getLODDimX(uint32_t lod)48     uint32_t getLODDimX(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mX;}
getLODDimY(uint32_t lod)49     uint32_t getLODDimY(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mY;}
getLODDimZ(uint32_t lod)50     uint32_t getLODDimZ(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mZ;}
getLODOffset(uint32_t lod)51     uint32_t getLODOffset(uint32_t lod) const {rsAssert(lod < mLODCount); return mLODs[lod].mOffset;}
52 
53     uint32_t getLODOffset(uint32_t lod, uint32_t x) const;
54     uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y) const;
55     uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const;
56 
getLODCount()57     uint32_t getLODCount() const {return mLODCount;}
58 
59 
setElement(const Element * e)60     void setElement(const Element *e) {mElement.set(e);}
setDimX(uint32_t v)61     void setDimX(uint32_t v) {mDimX = v;}
setDimY(uint32_t v)62     void setDimY(uint32_t v) {mDimY = v;}
setDimZ(uint32_t v)63     void setDimZ(uint32_t v) {mDimZ = v;}
setDimFaces(bool v)64     void setDimFaces(bool v) {mFaces = v;}
setDimLOD(bool v)65     void setDimLOD(bool v) {mDimLOD = v;}
66 
67     void clear();
68     void compute();
69 
70     void enableGLVertexBuffer() const;
71 
72     void dumpLOGV(const char *prefix) const;
73 
74 protected:
75     struct LOD {
76         size_t mX;
77         size_t mY;
78         size_t mZ;
79         size_t mOffset;
80     };
81 
82     void makeLODTable();
83 
84     // Internal structure from most to least significant.
85     // * Array dimensions
86     // * Faces
87     // * Mipmaps
88     // * xyz
89 
90     ObjectBaseRef<const Element> mElement;
91 
92     // Size of the structure in the various dimensions.  A missing Dimension is
93     // specified as a 0 and not a 1.
94     size_t mDimX;
95     size_t mDimY;
96     size_t mDimZ;
97     bool mDimLOD;
98     bool mFaces;
99 
100     // A list of array dimensions.  The count is the number of array dimensions and the
101     // sizes is a per array size.
102     //Vector<size_t> mDimArraysSizes;
103 
104     // count of mipmap levels, 0 indicates no mipmapping
105 
106     size_t mMipChainSizeBytes;
107     size_t mTotalSizeBytes;
108     LOD *mLODs;
109     uint32_t mLODCount;
110 
111     struct VertexComponent_t {
112         uint32_t offset;
113         uint32_t type;
114         uint32_t size;
115         uint32_t stride;
116     };
117     struct GLState_t {
118         VertexComponent_t mVtx;
119         VertexComponent_t mNorm;
120         VertexComponent_t mColor;
121         VertexComponent_t mTex[RS_MAX_TEXTURE];
122         VertexComponent_t mPointSize;
123     };
124     GLState_t mGL;
125     void makeGLComponents();
126 
127 private:
128     Type(const Type &);
129 };
130 
131 
132 class TypeState {
133 public:
134     TypeState();
135     ~TypeState();
136 
137     size_t mX;
138     size_t mY;
139     size_t mZ;
140     uint32_t mLOD;
141     bool mFaces;
142     ObjectBaseRef<const Element> mElement;
143 };
144 
145 
146 }
147 }
148 #endif //ANDROID_STRUCTURED_TYPE
149