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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
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    // The mininum alignment requirement for RenderScript. Must be power of 2 and larger than 0.
52    const static size_t kMinimumRSAlignment = 16;
53    // The maximun number of Allocations that can share a single BufferQueue;
54    const static uint32_t MAX_NUM_ALLOC = 16;
55
56    struct Hal {
57        void * drv;
58
59        struct State {
60            const Type * type;
61
62            uint32_t usageFlags;
63            RsAllocationMipmapControl mipmapControl;
64
65            // Cached fields from the Type and Element
66            // to prevent pointer chasing in critical loops.
67            uint32_t yuv;
68            uint32_t elementSizeBytes;
69            bool hasMipmaps;
70            bool hasFaces;
71            bool hasReferences;
72            void * userProvidedPtr;
73            int32_t surfaceTextureID;
74            ANativeWindowBuffer *nativeBuffer;
75            int64_t timestamp;
76
77            // Allocation adapter state
78            const Allocation *baseAlloc;
79            uint32_t originX;
80            uint32_t originY;
81            uint32_t originZ;
82            uint32_t originLOD;
83            uint32_t originFace;
84            uint32_t originArray[Type::mMaxArrays];
85        };
86        State state;
87
88        struct DrvState {
89            struct LodState {
90                void * mallocPtr;
91                size_t stride;
92                uint32_t dimX;
93                uint32_t dimY;
94                uint32_t dimZ;
95            } lod[android::renderscript::Allocation::MAX_LOD];
96            size_t faceOffset;
97            uint32_t lodCount;
98            uint32_t faceCount;
99
100            struct YuvState {
101                uint32_t shift;
102                uint32_t step;
103            } yuv;
104
105            int grallocFlags;
106            uint32_t dimArray[Type::mMaxArrays];
107        };
108        mutable DrvState drvState;
109
110    };
111    Hal mHal;
112
113    void operator delete(void* ptr);
114
115    static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
116                                         RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
117                                         void *ptr = 0);
118    static Allocation * createAllocationStrided(Context *rsc, const Type *, uint32_t usages,
119                                                RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
120                                                void *ptr = 0, size_t byteAligned = 16);
121    static Allocation * createAdapter(Context *rsc, const Allocation *alloc, const Type *type);
122
123
124    virtual ~Allocation();
125    void updateCache();
126
127    const Type * getType() const {return mHal.state.type;}
128
129    void syncAll(Context *rsc, RsAllocationUsageType src);
130
131    void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len);
132
133    void resize1D(Context *rsc, uint32_t dimX);
134    void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY);
135
136    void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes);
137    void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
138              uint32_t w, uint32_t h, const void *data, size_t sizeBytes, size_t stride);
139    void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
140              uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes, size_t stride);
141
142    void read(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, void *data, size_t sizeBytes);
143    void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face,
144              uint32_t w, uint32_t h, void *data, size_t sizeBytes, size_t stride);
145    void read(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod,
146              uint32_t w, uint32_t h, uint32_t d, void *data, size_t sizeBytes, size_t stride);
147
148    void elementData(Context *rsc, uint32_t x, uint32_t y, uint32_t z,
149                     const void *data, uint32_t elementOff, size_t sizeBytes);
150
151    void elementRead(Context *rsc, uint32_t x, uint32_t y, uint32_t z,
152                     void *data, uint32_t elementOff, size_t sizeBytes);
153
154    void addProgramToDirty(const Program *);
155    void removeProgramToDirty(const Program *);
156
157    virtual void dumpLOGV(const char *prefix) const;
158    virtual void serialize(Context *rsc, OStream *stream) const;
159    virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; }
160    static Allocation *createFromStream(Context *rsc, IStream *stream);
161
162    bool getIsScript() const {
163        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0;
164    }
165    bool getIsTexture() const {
166        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0;
167    }
168    bool getIsRenderTarget() const {
169        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0;
170    }
171    bool getIsBufferObject() const {
172        return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0;
173    }
174
175    void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
176    void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const;
177    virtual void callUpdateCacheObject(const Context *rsc, void *dstObj) const;
178    virtual bool freeChildren();
179
180    void sendDirty(const Context *rsc) const;
181    bool getHasGraphicsMipmaps() const {
182        return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE;
183    }
184
185    void setupGrallocConsumer(const Context *rsc, uint32_t numAlloc);
186    void shareBufferQueue(const Context *rsc, const Allocation *alloc);
187    void * getSurface(const Context *rsc);
188    void setSurface(const Context *rsc, RsNativeWindow sur);
189    void ioSend(const Context *rsc);
190    void ioReceive(const Context *rsc);
191    int64_t getTimeStamp() {return mHal.state.timestamp;}
192
193    void adapterOffset(Context *rsc, const uint32_t *offsets, size_t len);
194
195    void * getPointer(const Context *rsc, uint32_t lod, RsAllocationCubemapFace face,
196                      uint32_t z, uint32_t array, size_t *stride);
197
198    void * getPointerUnchecked(uint32_t x, uint32_t y,
199                               uint32_t z = 0, uint32_t lod = 0,
200                               RsAllocationCubemapFace face = RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X,
201                               uint32_t a1 = 0, uint32_t a2 = 0, uint32_t a3 = 0, uint32_t a4 = 0) const {
202
203        uint8_t * p = (uint8_t *) mHal.drvState.lod[lod].mallocPtr;
204        p += x * getType()->getElementSizeBytes();
205        p += y * mHal.drvState.lod[lod].stride;
206        p += z * mHal.drvState.lod[lod].stride * mHal.drvState.lod[lod].dimY;
207
208        // Todo: arrays
209
210        return p;
211    }
212
213    bool hasSameDims(const Allocation *Other) const;
214
215protected:
216    Vector<const Program *> mToDirtyList;
217    ObjectBaseRef<const Type> mType;
218    void setType(const Type *t) {
219        mType.set(t);
220        mHal.state.type = t;
221    }
222
223#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
224    class NewBufferListener : public android::ConsumerBase::FrameAvailableListener {
225    public:
226        NewBufferListener(uint32_t numAlloc);
227        virtual ~NewBufferListener();
228        const android::renderscript::Context *rsc;
229        const android::renderscript::Allocation **alloc;
230
231        virtual void onFrameAvailable(const BufferItem& item);
232    private:
233        uint32_t mNumAlloc;
234    };
235
236    sp<NewBufferListener> mBufferListener;
237    sp< GrallocConsumer > mGrallocConsumer;
238    sp<IGraphicBufferProducer> mGraphicBufferProducer;
239    bool mBufferQueueInited = false;
240    uint32_t mCurrentIdx;
241#endif
242
243
244private:
245    void freeChildrenUnlocked();
246    Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
247    Allocation(Context *rsc, const Allocation *, const Type *);
248
249    uint32_t getPackedSize() const;
250    static void writePackedData(Context *rsc, const Type *type, uint8_t *dst,
251                                const uint8_t *src, bool dstPadded);
252    void unpackVec3Allocation(Context *rsc, const void *data, size_t dataSize);
253    void packVec3Allocation(Context *rsc, OStream *stream) const;
254};
255
256}
257}
258#endif
259