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1 /*
2  * Copyright (C) 2013 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 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
23 #include <ui/GraphicBuffer.h>
24 #include "rsGrallocConsumer.h"
25 #include "gui/CpuConsumer.h"
26 #include "gui/GLConsumer.h"
27 #else
28 struct ANativeWindowBuffer;
29 #endif
30 
31 // ---------------------------------------------------------------------------
32 namespace android {
33 
34 namespace renderscript {
35 
36 class Program;
37 
38 /*****************************************************************************
39  * CAUTION
40  *
41  * Any layout changes for this class may require a corresponding change to be
42  * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains
43  * a partial copy of the information below.
44  *
45  *****************************************************************************/
46 class Allocation : public ObjectBase {
47     // The graphics equivalent of malloc.  The allocation contains a structure of elements.
48 
49 public:
50     const static int MAX_LOD = 16;
51 
52     struct Hal {
53         void * drv;
54 
55         struct State {
56             const Type * type;
57 
58             uint32_t usageFlags;
59             RsAllocationMipmapControl mipmapControl;
60 
61             // Cached fields from the Type and Element
62             // to prevent pointer chasing in critical loops.
63             uint32_t yuv;
64             uint32_t elementSizeBytes;
65             bool hasMipmaps;
66             bool hasFaces;
67             bool hasReferences;
68             void * userProvidedPtr;
69             int32_t surfaceTextureID;
70             ANativeWindowBuffer *nativeBuffer;
71             int64_t timestamp;
72         };
73         State state;
74 
75         struct DrvState {
76             struct LodState {
77                 void * mallocPtr;
78                 size_t stride;
79                 uint32_t dimX;
80                 uint32_t dimY;
81                 uint32_t dimZ;
82             } lod[android::renderscript::Allocation::MAX_LOD];
83             size_t faceOffset;
84             uint32_t lodCount;
85             uint32_t faceCount;
86 
87             struct YuvState {
88                 uint32_t shift;
89                 uint32_t step;
90             } yuv;
91 
92             int grallocFlags;
93         };
94         mutable DrvState drvState;
95 
96     };
97     Hal mHal;
98 
99     void operator delete(void* ptr);
100 
101     static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
102                                          RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
103                                          void *ptr = 0);
104     virtual ~Allocation();
105     void updateCache();
106 
getType()107     const Type * getType() const {return mHal.state.type;}
108 
109     void syncAll(Context *rsc, RsAllocationUsageType src);
110 
111     void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len);
112 
113     void resize1D(Context *rsc, uint32_t dimX);
114     void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY);
115 
116     void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes);
117     void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
118               uint32_t w, uint32_t h, const void *data, size_t sizeBytes, size_t stride);
119     void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
120               uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes, size_t stride);
121 
122     void read(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, void *data, size_t sizeBytes);
123     void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
124               uint32_t w, uint32_t h, void *data, size_t sizeBytes, size_t stride);
125     void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
126               uint32_t w, uint32_t h, uint32_t d, void *data, size_t sizeBytes, size_t stride);
127 
128     void elementData(Context *rsc, uint32_t x,
129                      const void *data, uint32_t elementOff, size_t sizeBytes);
130     void elementData(Context *rsc, uint32_t x, uint32_t y,
131                      const void *data, uint32_t elementOff, size_t sizeBytes);
132 
133     void addProgramToDirty(const Program *);
134     void removeProgramToDirty(const Program *);
135 
136     virtual void dumpLOGV(const char *prefix) const;
137     virtual void serialize(Context *rsc, OStream *stream) const;
getClassId()138     virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; }
139     static Allocation *createFromStream(Context *rsc, IStream *stream);
140 
getIsScript()141     bool getIsScript() const {
142         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0;
143     }
getIsTexture()144     bool getIsTexture() const {
145         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0;
146     }
getIsRenderTarget()147     bool getIsRenderTarget() const {
148         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0;
149     }
getIsBufferObject()150     bool getIsBufferObject() const {
151         return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0;
152     }
153 
154     void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
155     void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
156     virtual void callUpdateCacheObject(const Context *rsc, void *dstObj) const;
157     virtual bool freeChildren();
158 
159     void sendDirty(const Context *rsc) const;
getHasGraphicsMipmaps()160     bool getHasGraphicsMipmaps() const {
161         return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE;
162     }
163 
164     void * getSurface(const Context *rsc);
165     void setSurface(const Context *rsc, RsNativeWindow sur);
166     void ioSend(const Context *rsc);
167     void ioReceive(const Context *rsc);
168 
169     void * getPointer(const Context *rsc, uint32_t lod, RsAllocationCubemapFace face,
170                       uint32_t z, uint32_t array, size_t *stride);
171 
172     bool hasSameDims(const Allocation *Other) const;
173 
174 protected:
175     Vector<const Program *> mToDirtyList;
176     ObjectBaseRef<const Type> mType;
setType(const Type * t)177     void setType(const Type *t) {
178         mType.set(t);
179         mHal.state.type = t;
180     }
181 
182 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
183     class NewBufferListener : public android::ConsumerBase::FrameAvailableListener {
184     public:
185         const android::renderscript::Context *rsc;
186         const android::renderscript::Allocation *alloc;
187 
188         virtual void onFrameAvailable(const BufferItem& item);
189     };
190 
191     sp<NewBufferListener> mBufferListener;
192     sp< GrallocConsumer > mGrallocConsumer;
193 #endif
194 
195 
196 private:
197     void freeChildrenUnlocked();
198     Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
199 
200     uint32_t getPackedSize() const;
201     static void writePackedData(Context *rsc, const Type *type, uint8_t *dst,
202                                 const uint8_t *src, bool dstPadded);
203     void unpackVec3Allocation(Context *rsc, const void *data, size_t dataSize);
204     void packVec3Allocation(Context *rsc, OStream *stream) const;
205 };
206 
207 }
208 }
209 #endif
210