rsAllocation.h revision 41e373d91a60043afa0f9abd026218b49cbc1201
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_ALLOCATION_H 18#define ANDROID_STRUCTURED_ALLOCATION_H 19 20#include "rsType.h" 21 22// --------------------------------------------------------------------------- 23namespace android { 24namespace renderscript { 25 26class Program; 27 28/***************************************************************************** 29 * CAUTION 30 * 31 * Any layout changes for this class may require a corresponding change to be 32 * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains 33 * a partial copy of the information below. 34 * 35 *****************************************************************************/ 36class Allocation : public ObjectBase { 37 // The graphics equivalent of malloc. The allocation contains a structure of elements. 38 39public: 40 struct Hal { 41 void * drv; 42 43 struct State { 44 const Type * type; 45 46 uint32_t usageFlags; 47 RsAllocationMipmapControl mipmapControl; 48 49 // Cached fields from the Type and Element 50 // to prevent pointer chasing in critical loops. 51 uint32_t dimensionX; 52 uint32_t dimensionY; 53 uint32_t dimensionZ; 54 uint32_t elementSizeBytes; 55 bool hasMipmaps; 56 bool hasFaces; 57 bool hasReferences; 58 int32_t surfaceTextureID; 59 60 void * usrPtr; 61 }; 62 State state; 63 64 struct DrvState { 65 void * mallocPtr; 66 } drvState; 67 68 }; 69 Hal mHal; 70 71 static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages, 72 RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE, 73 void *ptr = 0); 74 virtual ~Allocation(); 75 void updateCache(); 76 77 void * getPtr() const {return mHal.drvState.mallocPtr;} 78 const Type * getType() const {return mHal.state.type;} 79 80 void syncAll(Context *rsc, RsAllocationUsageType src); 81 82 void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len); 83 84 void resize1D(Context *rsc, uint32_t dimX); 85 void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY); 86 87 void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, uint32_t sizeBytes); 88 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face, 89 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 90 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face, 91 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 92 93 void elementData(Context *rsc, uint32_t x, 94 const void *data, uint32_t elementOff, uint32_t sizeBytes); 95 void elementData(Context *rsc, uint32_t x, uint32_t y, 96 const void *data, uint32_t elementOff, uint32_t sizeBytes); 97 98 void read(void *data); 99 100 void addProgramToDirty(const Program *); 101 void removeProgramToDirty(const Program *); 102 103 virtual void dumpLOGV(const char *prefix) const; 104 virtual void serialize(OStream *stream) const; 105 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; } 106 static Allocation *createFromStream(Context *rsc, IStream *stream); 107 108 bool getIsScript() const { 109 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0; 110 } 111 bool getIsTexture() const { 112 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0; 113 } 114 bool getIsRenderTarget() const { 115 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0; 116 } 117 bool getIsBufferObject() const { 118 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0; 119 } 120 121 void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 122 void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 123 virtual bool freeChildren(); 124 125 void sendDirty(const Context *rsc) const; 126 bool getHasGraphicsMipmaps() const { 127 return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE; 128 } 129 130 int32_t getSurfaceTextureID(const Context *rsc); 131 132protected: 133 Vector<const Program *> mToDirtyList; 134 ObjectBaseRef<const Type> mType; 135 void setType(const Type *t) { 136 mType.set(t); 137 mHal.state.type = t; 138 } 139 140private: 141 void freeChildrenUnlocked(); 142 Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr); 143 144 uint32_t getPackedSize() const; 145 static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded); 146 void unpackVec3Allocation(const void *data, uint32_t dataSize); 147 void packVec3Allocation(OStream *stream) const; 148}; 149 150} 151} 152#endif 153 154