2 * Copyright (C) 2009 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_STRUCTURED_ALLOCATION_H
18 #define ANDROID_STRUCTURED_ALLOCATION_H
22 // ---------------------------------------------------------------------------
24 namespace renderscript {
28 class Allocation : public ObjectBase
30 // The graphics equilivent of malloc. The allocation contains a structure of elements.
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);
38 virtual ~Allocation();
40 void setCpuWritable(bool);
41 void setGpuWritable(bool);
42 void setCpuReadable(bool);
43 void setGpuReadable(bool);
47 void * getPtr() const {return mPtr;}
48 const Type * getType() const {return mType.get();}
50 void deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset);
51 void uploadToTexture(const Context *rsc);
52 uint32_t getTextureID() const {return mTextureID;}
54 void deferedUploadToBufferObject(const Context *rsc);
55 void uploadToBufferObject(const Context *rsc);
56 uint32_t getBufferObjectID() const {return mBufferID;}
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);
66 void read(void *data);
68 void enableGLVertexBuffers() const;
69 void setupGLIndexBuffers() const;
71 void addProgramToDirty(const Program *);
72 void removeProgramToDirty(const Program *);
74 virtual void dumpLOGV(const char *prefix) const;
76 virtual void uploadCheck(const Context *rsc);
79 void sendDirty() const;
81 ObjectBaseRef<const Type> mType;
84 Vector<const Program *> mToDirtyList;
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;
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;
104 // Is this a legal structure to be used as a texture source.
105 // Initially this will require 1D or 2D and color data
107 bool mTextureGenMipmap;
108 uint32_t mTextureLOD;
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
114 bool mIsVertexBuffer;
120 void init(Context *rsc, const Type *);