rsAllocation.h revision 3522f40418fdf877f5a136475dbf75e57a3b7c77
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 22struct ANativeWindow; 23 24// --------------------------------------------------------------------------- 25namespace android { 26class SurfaceTexture; 27 28namespace renderscript { 29 30class Program; 31 32/***************************************************************************** 33 * CAUTION 34 * 35 * Any layout changes for this class may require a corresponding change to be 36 * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains 37 * a partial copy of the information below. 38 * 39 *****************************************************************************/ 40class Allocation : public ObjectBase { 41 // The graphics equivalent of malloc. The allocation contains a structure of elements. 42 43public: 44 struct Hal { 45 void * drv; 46 47 struct State { 48 const Type * type; 49 50 uint32_t usageFlags; 51 RsAllocationMipmapControl mipmapControl; 52 53 // Cached fields from the Type and Element 54 // to prevent pointer chasing in critical loops. 55 uint32_t dimensionX; 56 uint32_t dimensionY; 57 uint32_t dimensionZ; 58 uint32_t elementSizeBytes; 59 bool hasMipmaps; 60 bool hasFaces; 61 bool hasReferences; 62 void * usrPtr; 63 int32_t surfaceTextureID; 64 ANativeWindow *wndSurface; 65 SurfaceTexture *surfaceTexture; 66 }; 67 State state; 68 69 struct DrvState { 70 void * mallocPtr; 71 } drvState; 72 73 }; 74 Hal mHal; 75 76 static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages, 77 RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE, 78 void *ptr = 0); 79 virtual ~Allocation(); 80 void updateCache(); 81 82 void * getPtr() const {return mHal.drvState.mallocPtr;} 83 const Type * getType() const {return mHal.state.type;} 84 85 void syncAll(Context *rsc, RsAllocationUsageType src); 86 87 void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len); 88 89 void resize1D(Context *rsc, uint32_t dimX); 90 void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY); 91 92 void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, size_t sizeBytes); 93 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face, 94 uint32_t w, uint32_t h, const void *data, size_t sizeBytes); 95 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face, 96 uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes); 97 98 void elementData(Context *rsc, uint32_t x, 99 const void *data, uint32_t elementOff, size_t sizeBytes); 100 void elementData(Context *rsc, uint32_t x, uint32_t y, 101 const void *data, uint32_t elementOff, size_t sizeBytes); 102 103 void read(void *data); 104 105 void addProgramToDirty(const Program *); 106 void removeProgramToDirty(const Program *); 107 108 virtual void dumpLOGV(const char *prefix) const; 109 virtual void serialize(OStream *stream) const; 110 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; } 111 static Allocation *createFromStream(Context *rsc, IStream *stream); 112 113 bool getIsScript() const { 114 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0; 115 } 116 bool getIsTexture() const { 117 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0; 118 } 119 bool getIsRenderTarget() const { 120 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0; 121 } 122 bool getIsBufferObject() const { 123 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0; 124 } 125 126 void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 127 void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 128 virtual bool freeChildren(); 129 130 void sendDirty(const Context *rsc) const; 131 bool getHasGraphicsMipmaps() const { 132 return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE; 133 } 134 135 int32_t getSurfaceTextureID(const Context *rsc); 136 void setSurfaceTexture(const Context *rsc, SurfaceTexture *st); 137 void setSurface(const Context *rsc, RsNativeWindow sur); 138 void ioSend(const Context *rsc); 139 void ioReceive(const Context *rsc); 140 141protected: 142 Vector<const Program *> mToDirtyList; 143 ObjectBaseRef<const Type> mType; 144 void setType(const Type *t) { 145 mType.set(t); 146 mHal.state.type = t; 147 } 148 149private: 150 void freeChildrenUnlocked(); 151 Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr); 152 153 uint32_t getPackedSize() const; 154 static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded); 155 void unpackVec3Allocation(const void *data, size_t dataSize); 156 void packVec3Allocation(OStream *stream) const; 157}; 158 159} 160} 161#endif 162 163