rsAllocation.h revision bad807405b2b9764372af1ad24bcfd4fb1f33d8e
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 28class Allocation : public ObjectBase { 29 // The graphics equilivent of malloc. The allocation contains a structure of elements. 30 31public: 32 struct Hal { 33 void * drv; 34 35 struct State { 36 ObjectBaseRef<const Type> type; 37 void * mallocPtr; 38 39 uint32_t usageFlags; 40 RsAllocationMipmapControl mipmapControl; 41 42 // Cached fields from the Type and Element 43 // to prevent pointer chasing in critical loops. 44 uint32_t dimensionX; 45 uint32_t dimensionY; 46 uint32_t dimensionZ; 47 uint32_t elementSizeBytes; 48 bool hasMipmaps; 49 bool hasFaces; 50 bool hasReferences; 51 }; 52 State state; 53 }; 54 Hal mHal; 55 56 Allocation(Context *rsc, const Type *, uint32_t usages, 57 RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE); 58 59 virtual ~Allocation(); 60 void updateCache(); 61 62 void setCpuWritable(bool); 63 void setGpuWritable(bool); 64 void setCpuReadable(bool); 65 void setGpuReadable(bool); 66 67 bool fixAllocation(); 68 69 void * getPtr() const {return mHal.state.mallocPtr;} 70 const Type * getType() const {return mHal.state.type.get();} 71 72 void syncAll(Context *rsc, RsAllocationUsageType src); 73 74 void deferedUploadToTexture(const Context *rsc); 75 void uploadToTexture(const Context *rsc); 76 uint32_t getTextureID() const {return mTextureID;} 77 78 uint32_t getGLTarget() const; 79 80 void deferedUploadToBufferObject(const Context *rsc); 81 void uploadToBufferObject(const Context *rsc); 82 uint32_t getBufferObjectID() const {return mBufferID;} 83 84 void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len); 85 86 void resize1D(Context *rsc, uint32_t dimX); 87 void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY); 88 89 void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, uint32_t sizeBytes); 90 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face, 91 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 92 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face, 93 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 94 95 void elementData(Context *rsc, uint32_t x, 96 const void *data, uint32_t elementOff, uint32_t sizeBytes); 97 void elementData(Context *rsc, uint32_t x, uint32_t y, 98 const void *data, uint32_t elementOff, uint32_t sizeBytes); 99 100 void read(void *data); 101 102 void enableGLVertexBuffers() const; 103 void setupGLIndexBuffers() const; 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 virtual void uploadCheck(Context *rsc); 114 115 bool getIsScript() const { 116 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0; 117 } 118 bool getIsTexture() const { 119 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0; 120 } 121 bool getIsBufferObject() const { 122 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0; 123 } 124 125 void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 126 void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 127 128 void sendDirty() const; 129 bool getHasGraphicsMipmaps() const { 130 return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE; 131 } 132 133 134protected: 135 Vector<const Program *> mToDirtyList; 136 137 // Is we have a non-null user bitmap callback we do not own the bits and 138 // instead call this function to free the memort when its time. 139 RsBitmapCallback_t mUserBitmapCallback; 140 void *mUserBitmapCallbackData; 141 142 // Usage restrictions 143 bool mCpuWrite; 144 bool mCpuRead; 145 bool mGpuWrite; 146 bool mGpuRead; 147 148 // more usage hint data from the application 149 // which can be used by a driver to pick the best memory type. 150 // Likely ignored for now 151 float mReadWriteRatio; 152 float mUpdateSize; 153 154 155 // Is this a legal structure to be used as a texture source. 156 // Initially this will require 1D or 2D and color data 157 uint32_t mTextureID; 158 159 // Is this a legal structure to be used as a vertex source. 160 // Initially this will require 1D and x(yzw). Additional per element data 161 // is allowed. 162 uint32_t mBufferID; 163 164 bool mUploadDefered; 165 166private: 167 void init(Context *rsc, const Type *); 168 void upload2DTexture(bool isFirstUpload); 169 void update2DTexture(const void *ptr, uint32_t xoff, uint32_t yoff, 170 uint32_t lod, RsAllocationCubemapFace face, uint32_t w, uint32_t h); 171 172 void allocScriptMemory(); 173 void freeScriptMemory(); 174 175}; 176 177} 178} 179#endif 180 181