rsAllocation.h revision c21cf40f6ae69091bf24f87b5eeabc95e73dd271
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 26 27 28class Allocation : public ObjectBase 29{ 30 // The graphics equilivent of malloc. The allocation contains a structure of elements. 31 32 33public: 34 // By policy this allocation will hold a pointer to the type 35 // but will not destroy it on destruction. 36 Allocation(Context *rsc, const Type *); 37 virtual ~Allocation(); 38 39 void setCpuWritable(bool); 40 void setGpuWritable(bool); 41 void setCpuReadable(bool); 42 void setGpuReadable(bool); 43 44 bool fixAllocation(); 45 46 void * getPtr() const {return mPtr;} 47 const Type * getType() const {return mType.get();} 48 49 void uploadToTexture(uint32_t lodOffset = 0); 50 uint32_t getTextureID() const {return mTextureID;} 51 52 void uploadToBufferObject(); 53 uint32_t getBufferObjectID() const {return mBufferID;} 54 55 56 void data(const void *data, uint32_t sizeBytes); 57 void subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes); 58 void subData(uint32_t xoff, uint32_t yoff, 59 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 60 void subData(uint32_t xoff, uint32_t yoff, uint32_t zoff, 61 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 62 63 void read(void *data); 64 65 void enableGLVertexBuffers() const; 66 void setupGLIndexBuffers() const; 67 68 virtual void dumpLOGV(const char *prefix) const; 69 70 71protected: 72 ObjectBaseRef<const Type> mType; 73 void * mPtr; 74 75 // Usage restrictions 76 bool mCpuWrite; 77 bool mCpuRead; 78 bool mGpuWrite; 79 bool mGpuRead; 80 81 // more usage hint data from the application 82 // which can be used by a driver to pick the best memory type. 83 // Likely ignored for now 84 float mReadWriteRatio; 85 float mUpdateSize; 86 87 88 // Is this a legal structure to be used as a texture source. 89 // Initially this will require 1D or 2D and color data 90 bool mIsTexture; 91 uint32_t mTextureID; 92 93 // Is this a legal structure to be used as a vertex source. 94 // Initially this will require 1D and x(yzw). Additional per element data 95 // is allowed. 96 bool mIsVertexBuffer; 97 uint32_t mBufferID; 98}; 99 100} 101} 102#endif 103 104