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1 /*
2  * Copyright (C) 2009-2012 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_ALLOCATION_H
18 #define ANDROID_STRUCTURED_ALLOCATION_H
19 
20 #include "rsType.h"
21 
22 struct ANativeWindow;
23 
24 // ---------------------------------------------------------------------------
25 namespace android {
26 class SurfaceTexture;
27 
28 namespace renderscript {
29 
30 class Program;
31 
32 /*****************************************************************************
33  * CAUTION
34  *
35  * Any layout changes for this class may require a corresponding change to be
36  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
37  * a partial copy of the information below.
38  *
39  *****************************************************************************/
40 class Allocation : public ObjectBase {
41     // The graphics equivalent of malloc.  The allocation contains a structure of elements.
42 
43 public:
44     struct Hal {
45         void * drv;
46 
47         struct State {
48             const Type * type;
49 
50             uint32_t usageFlags;
51             RsAllocationMipmapControl mipmapControl;
52 
53             // Cached fields from the Type and Element
54             // to prevent pointer chasing in critical loops.
55             uint32_t dimensionX;
56             uint32_t dimensionY;
57             uint32_t dimensionZ;
58             uint32_t elementSizeBytes;
59             bool hasMipmaps;
60             bool hasFaces;
61             bool hasReferences;
62             void * unused_01;
63             int32_t surfaceTextureID;
64             ANativeWindow *wndSurface;
65             SurfaceTexture *surfaceTexture;
66         };
67         State state;
68 
69         struct DrvState {
70             mutable void * mallocPtr;
71             mutable uint32_t stride;
72         } drvState;
73 
74     };
75     Hal mHal;
76 
77     static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
78                                          RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
79                                          void *ptr = 0);
80     virtual ~Allocation();
81     void updateCache();
82 
getPtr()83     void * getPtr() const {return mHal.drvState.mallocPtr;}
getType()84     const Type * getType() const {return mHal.state.type;}
85 
86     void syncAll(Context *rsc, RsAllocationUsageType src);
87 
88     void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len);
89 
90     void resize1D(Context *rsc, uint32_t dimX);
91     void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY);
92 
93     void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes);
94     void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
95                  uint32_t w, uint32_t h, const void *data, size_t sizeBytes);
96     void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face,
97                  uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes);
98 
99     void elementData(Context *rsc, uint32_t x,
100                      const void *data, uint32_t elementOff, size_t sizeBytes);
101     void elementData(Context *rsc, uint32_t x, uint32_t y,
102                      const void *data, uint32_t elementOff, size_t sizeBytes);
103 
104     void read(void *data);
105 
106     void addProgramToDirty(const Program *);
107     void removeProgramToDirty(const Program *);
108 
109     virtual void dumpLOGV(const char *prefix) const;
110     virtual void serialize(OStream *stream) const;
getClassId()111     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; }
112     static Allocation *createFromStream(Context *rsc, IStream *stream);
113 
getIsScript()114     bool getIsScript() const {
115         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0;
116     }
getIsTexture()117     bool getIsTexture() const {
118         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0;
119     }
getIsRenderTarget()120     bool getIsRenderTarget() const {
121         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0;
122     }
getIsBufferObject()123     bool getIsBufferObject() const {
124         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0;
125     }
126 
127     void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
128     void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
129     virtual bool freeChildren();
130 
131     void sendDirty(const Context *rsc) const;
getHasGraphicsMipmaps()132     bool getHasGraphicsMipmaps() const {
133         return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE;
134     }
135 
136     int32_t getSurfaceTextureID(const Context *rsc);
137     void setSurfaceTexture(const Context *rsc, SurfaceTexture *st);
138     void setSurface(const Context *rsc, RsNativeWindow sur);
139     void ioSend(const Context *rsc);
140     void ioReceive(const Context *rsc);
141 
142 protected:
143     Vector<const Program *> mToDirtyList;
144     ObjectBaseRef<const Type> mType;
setType(const Type * t)145     void setType(const Type *t) {
146         mType.set(t);
147         mHal.state.type = t;
148     }
149 
150 private:
151     void freeChildrenUnlocked();
152     Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
153 
154     uint32_t getPackedSize() const;
155     static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded);
156     void unpackVec3Allocation(const void *data, size_t dataSize);
157     void packVec3Allocation(OStream *stream) const;
158 };
159 
160 }
161 }
162 #endif
163 
164