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 // --------------------------------------------------------------------------- 23 namespace android { 24 namespace renderscript { 25 26 class Program; 27 28 class Allocation : public ObjectBase 29 { 30 // The graphics equilivent of malloc. The allocation contains a structure of elements. 31 32 public: 33 // By policy this allocation will hold a pointer to the type 34 // but will not destroy it on destruction. 35 Allocation(Context *rsc, const Type *); 36 Allocation(Context *rsc, const Type *, void *bmp, void *callbackData, RsBitmapCallback_t callback); 37 38 virtual ~Allocation(); 39 40 void setCpuWritable(bool); 41 void setGpuWritable(bool); 42 void setCpuReadable(bool); 43 void setGpuReadable(bool); 44 45 bool fixAllocation(); 46 getPtr()47 void * getPtr() const {return mPtr;} getType()48 const Type * getType() const {return mType.get();} 49 50 void deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset); 51 void uploadToTexture(const Context *rsc); getTextureID()52 uint32_t getTextureID() const {return mTextureID;} 53 54 void deferedUploadToBufferObject(const Context *rsc); 55 void uploadToBufferObject(const Context *rsc); getBufferObjectID()56 uint32_t getBufferObjectID() const {return mBufferID;} 57 58 59 void data(const void *data, uint32_t sizeBytes); 60 void subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes); 61 void subData(uint32_t xoff, uint32_t yoff, 62 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 63 void subData(uint32_t xoff, uint32_t yoff, uint32_t zoff, 64 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 65 66 void read(void *data); 67 68 void enableGLVertexBuffers() const; 69 void setupGLIndexBuffers() const; 70 71 void addProgramToDirty(const Program *); 72 void removeProgramToDirty(const Program *); 73 74 virtual void dumpLOGV(const char *prefix) const; 75 76 virtual void uploadCheck(const Context *rsc); 77 78 protected: 79 void sendDirty() const; 80 81 ObjectBaseRef<const Type> mType; 82 void * mPtr; 83 84 Vector<const Program *> mToDirtyList; 85 86 // Is we have a non-null user bitmap callback we do not own the bits and 87 // instead call this function to free the memort when its time. 88 RsBitmapCallback_t mUserBitmapCallback; 89 void *mUserBitmapCallbackData; 90 91 // Usage restrictions 92 bool mCpuWrite; 93 bool mCpuRead; 94 bool mGpuWrite; 95 bool mGpuRead; 96 97 // more usage hint data from the application 98 // which can be used by a driver to pick the best memory type. 99 // Likely ignored for now 100 float mReadWriteRatio; 101 float mUpdateSize; 102 103 104 // Is this a legal structure to be used as a texture source. 105 // Initially this will require 1D or 2D and color data 106 bool mIsTexture; 107 bool mTextureGenMipmap; 108 uint32_t mTextureLOD; 109 uint32_t mTextureID; 110 111 // Is this a legal structure to be used as a vertex source. 112 // Initially this will require 1D and x(yzw). Additional per element data 113 // is allowed. 114 bool mIsVertexBuffer; 115 uint32_t mBufferID; 116 117 bool mUploadDefered; 118 119 private: 120 void init(Context *rsc, const Type *); 121 122 }; 123 124 } 125 } 126 #endif 127 128