rsAllocation.h revision 7c4b1b3981d19b162d17a10045de12c35c089948
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// --------------------------------------------------------------------------- 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 void * usrPtr; 59 int32_t surfaceTextureID; 60 }; 61 State state; 62 63 struct DrvState { 64 void * mallocPtr; 65 } drvState; 66 67 }; 68 Hal mHal; 69 70 static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages, 71 RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE, 72 void *ptr = 0); 73 virtual ~Allocation(); 74 void updateCache(); 75 76 void * getPtr() const {return mHal.drvState.mallocPtr;} 77 const Type * getType() const {return mHal.state.type;} 78 79 void syncAll(Context *rsc, RsAllocationUsageType src); 80 81 void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len); 82 83 void resize1D(Context *rsc, uint32_t dimX); 84 void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY); 85 86 void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes); 87 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face, 88 uint32_t w, uint32_t h, const void *data, size_t sizeBytes); 89 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face, 90 uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes); 91 92 void elementData(Context *rsc, uint32_t x, 93 const void *data, uint32_t elementOff, size_t sizeBytes); 94 void elementData(Context *rsc, uint32_t x, uint32_t y, 95 const void *data, uint32_t elementOff, size_t sizeBytes); 96 97 void read(void *data); 98 99 void addProgramToDirty(const Program *); 100 void removeProgramToDirty(const Program *); 101 102 virtual void dumpLOGV(const char *prefix) const; 103 virtual void serialize(OStream *stream) const; 104 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; } 105 static Allocation *createFromStream(Context *rsc, IStream *stream); 106 107 bool getIsScript() const { 108 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0; 109 } 110 bool getIsTexture() const { 111 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0; 112 } 113 bool getIsRenderTarget() const { 114 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0; 115 } 116 bool getIsBufferObject() const { 117 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0; 118 } 119 120 void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 121 void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 122 virtual bool freeChildren(); 123 124 void sendDirty(const Context *rsc) const; 125 bool getHasGraphicsMipmaps() const { 126 return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE; 127 } 128 129 int32_t getSurfaceTextureID(const Context *rsc); 130 131protected: 132 Vector<const Program *> mToDirtyList; 133 ObjectBaseRef<const Type> mType; 134 void setType(const Type *t) { 135 mType.set(t); 136 mHal.state.type = t; 137 } 138 139private: 140 void freeChildrenUnlocked(); 141 Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr); 142 143 uint32_t getPackedSize() const; 144 static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded); 145 void unpackVec3Allocation(const void *data, size_t dataSize); 146 void packVec3Allocation(OStream *stream) const; 147}; 148 149} 150} 151#endif 152 153