rsAllocation.h revision b8a94e26c0a5e8f58d5b6ed04e46b411e95b77a4 
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
28struct ANativeWindowBuffer;
29#endif
30
31// ---------------------------------------------------------------------------
32namespace android {
33
34namespace renderscript {
35
36class 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 *****************************************************************************/
46class Allocation : public ObjectBase {
47    // The graphics equivalent of malloc.  The allocation contains a structure of elements.
48
49public:
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        mutable DrvState drvState;
93
94    };
95    Hal mHal;
96
97    void operator delete(void* ptr);
98
99    static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
100                                         RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
101                                         void *ptr = 0);
102    virtual ~Allocation();
103    void updateCache();
104
105    const Type * getType() const {return mHal.state.type;}
106
107    void syncAll(Context *rsc, RsAllocationUsageType src);
108
109    void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len);
110
111    void resize1D(Context *rsc, uint32_t dimX);
112    void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY);
113
114    void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes);
115    void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
116              uint32_t w, uint32_t h, const void *data, size_t sizeBytes, size_t stride);
117    void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
118              uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes, size_t stride);
119
120    void read(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, void *data, size_t sizeBytes);
121    void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
122              uint32_t w, uint32_t h, void *data, size_t sizeBytes, size_t stride);
123    void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
124              uint32_t w, uint32_t h, uint32_t d, void *data, size_t sizeBytes, size_t stride);
125
126    void elementData(Context *rsc, uint32_t x,
127                     const void *data, uint32_t elementOff, size_t sizeBytes);
128    void elementData(Context *rsc, uint32_t x, uint32_t y,
129                     const void *data, uint32_t elementOff, size_t sizeBytes);
130
131    void addProgramToDirty(const Program *);
132    void removeProgramToDirty(const Program *);
133
134    virtual void dumpLOGV(const char *prefix) const;
135    virtual void serialize(Context *rsc, OStream *stream) const;
136    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; }
137    static Allocation *createFromStream(Context *rsc, IStream *stream);
138
139    bool getIsScript() const {
140        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0;
141    }
142    bool getIsTexture() const {
143        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0;
144    }
145    bool getIsRenderTarget() const {
146        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0;
147    }
148    bool getIsBufferObject() const {
149        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0;
150    }
151
152    void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
153    void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
154    virtual bool freeChildren();
155
156    void sendDirty(const Context *rsc) const;
157    bool getHasGraphicsMipmaps() const {
158        return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE;
159    }
160
161    void * getSurface(const Context *rsc);
162    void setSurface(const Context *rsc, RsNativeWindow sur);
163    void ioSend(const Context *rsc);
164    void ioReceive(const Context *rsc);
165
166    void * getPointer(const Context *rsc, uint32_t lod, RsAllocationCubemapFace face,
167                      uint32_t z, uint32_t array, size_t *stride);
168
169protected:
170    Vector<const Program *> mToDirtyList;
171    ObjectBaseRef<const Type> mType;
172    void setType(const Type *t) {
173        mType.set(t);
174        mHal.state.type = t;
175    }
176
177#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
178    class NewBufferListener : public android::ConsumerBase::FrameAvailableListener {
179    public:
180        const android::renderscript::Context *rsc;
181        const android::renderscript::Allocation *alloc;
182
183        virtual void onFrameAvailable();
184    };
185
186    sp<NewBufferListener> mBufferListener;
187    sp< GrallocConsumer > mGrallocConsumer;
188#endif
189
190
191private:
192    void freeChildrenUnlocked();
193    Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
194
195    uint32_t getPackedSize() const;
196    static void writePackedData(Context *rsc, const Type *type, uint8_t *dst,
197                                const uint8_t *src, bool dstPadded);
198    void unpackVec3Allocation(Context *rsc, const void *data, size_t dataSize);
199    void packVec3Allocation(Context *rsc, OStream *stream) const;
200};
201
202}
203}
204#endif
205
206