rsAllocation.h revision 7d9c5ffccb7a5e682860f752403e5a03aed587be
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 deferredUploadToTexture(const Context *rsc); 75 void uploadToTexture(const Context *rsc); 76 uint32_t getTextureID() const {return mTextureID;} 77 78 void deferredAllocateRenderTarget(const Context *rsc); 79 void allocateRenderTarget(const Context *rsc); 80 uint32_t getRenderTargetID() const {return mRenderTargetID;} 81 82 uint32_t getGLTarget() const; 83 84 void deferredUploadToBufferObject(const Context *rsc); 85 void uploadToBufferObject(const Context *rsc); 86 uint32_t getBufferObjectID() const {return mBufferID;} 87 88 void copyRange1D(Context *rsc, const Allocation *src, int32_t srcOff, int32_t destOff, int32_t len); 89 90 void resize1D(Context *rsc, uint32_t dimX); 91 void resize2D(Context *rsc, uint32_t dimX, uint32_t dimY); 92 93 void data(Context *rsc, uint32_t xoff, uint32_t lod, uint32_t count, const void *data, uint32_t sizeBytes); 94 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t lod, RsAllocationCubemapFace face, 95 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 96 void data(Context *rsc, uint32_t xoff, uint32_t yoff, uint32_t zoff, uint32_t lod, RsAllocationCubemapFace face, 97 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 98 99 void elementData(Context *rsc, uint32_t x, 100 const void *data, uint32_t elementOff, uint32_t sizeBytes); 101 void elementData(Context *rsc, uint32_t x, uint32_t y, 102 const void *data, uint32_t elementOff, uint32_t sizeBytes); 103 104 void read(void *data); 105 106 void enableGLVertexBuffers() const; 107 void setupGLIndexBuffers() const; 108 109 void addProgramToDirty(const Program *); 110 void removeProgramToDirty(const Program *); 111 112 virtual void dumpLOGV(const char *prefix) const; 113 virtual void serialize(OStream *stream) const; 114 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ALLOCATION; } 115 static Allocation *createFromStream(Context *rsc, IStream *stream); 116 117 virtual void uploadCheck(Context *rsc); 118 119 bool getIsScript() const { 120 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_SCRIPT) != 0; 121 } 122 bool getIsTexture() const { 123 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE) != 0; 124 } 125 bool getIsRenderTarget() const { 126 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET) != 0; 127 } 128 bool getIsBufferObject() const { 129 return (mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_VERTEX) != 0; 130 } 131 132 void incRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 133 void decRefs(const void *ptr, size_t ct, size_t startOff = 0) const; 134 135 void sendDirty() const; 136 bool getHasGraphicsMipmaps() const { 137 return mHal.state.mipmapControl != RS_ALLOCATION_MIPMAP_NONE; 138 } 139 140 141protected: 142 Vector<const Program *> mToDirtyList; 143 144 // Is we have a non-null user bitmap callback we do not own the bits and 145 // instead call this function to free the memort when its time. 146 RsBitmapCallback_t mUserBitmapCallback; 147 void *mUserBitmapCallbackData; 148 149 // Usage restrictions 150 bool mCpuWrite; 151 bool mCpuRead; 152 bool mGpuWrite; 153 bool mGpuRead; 154 155 // more usage hint data from the application 156 // which can be used by a driver to pick the best memory type. 157 // Likely ignored for now 158 float mReadWriteRatio; 159 float mUpdateSize; 160 161 162 // Is this a legal structure to be used as a texture source. 163 // Initially this will require 1D or 2D and color data 164 uint32_t mTextureID; 165 166 // Is this a legal structure to be used as a vertex source. 167 // Initially this will require 1D and x(yzw). Additional per element data 168 // is allowed. 169 uint32_t mBufferID; 170 171 // Is this a legal structure to be used as an FBO render target 172 uint32_t mRenderTargetID; 173 174 bool mUploadDeferred; 175 176private: 177 void init(Context *rsc, const Type *); 178 void upload2DTexture(bool isFirstUpload); 179 void update2DTexture(const void *ptr, uint32_t xoff, uint32_t yoff, 180 uint32_t lod, RsAllocationCubemapFace face, uint32_t w, uint32_t h); 181 182 void allocScriptMemory(); 183 void freeScriptMemory(); 184 185}; 186 187} 188} 189#endif 190 191