diff options
Diffstat (limited to 'libs/rs/rsAllocation.h')
-rw-r--r-- | libs/rs/rsAllocation.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libs/rs/rsAllocation.h b/libs/rs/rsAllocation.h new file mode 100644 index 0000000..1f58ec5 --- /dev/null +++ b/libs/rs/rsAllocation.h @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_STRUCTURED_ALLOCATION_H +#define ANDROID_STRUCTURED_ALLOCATION_H + +#include "rsType.h" + +// --------------------------------------------------------------------------- +namespace android { +namespace renderscript { + + + +class Allocation : public ObjectBase +{ + // The graphics equilivent of malloc. The allocation contains a structure of elements. + + +public: + // By policy this allocation will hold a pointer to the type + // but will not destroy it on destruction. + Allocation(const Type *); + virtual ~Allocation(); + + void setCpuWritable(bool); + void setGpuWritable(bool); + void setCpuReadable(bool); + void setGpuReadable(bool); + + bool fixAllocation(); + + void * getPtr() const {return mPtr;} + const Type * getType() const {return mType.get();} + + void uploadToTexture(uint32_t lodOffset = 0); + uint32_t getTextureID() const {return mTextureID;} + + void uploadToBufferObject(); + uint32_t getBufferObjectID() const {return mBufferID;} + + + void data(const void *data, uint32_t sizeBytes); + void subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes); + void subData(uint32_t xoff, uint32_t yoff, + uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); + void subData(uint32_t xoff, uint32_t yoff, uint32_t zoff, + uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); + + void read(void *data); + + void enableGLVertexBuffers() const; + void setupGLIndexBuffers() const; + + +protected: + ObjectBaseRef<const Type> mType; + void * mPtr; + + // Usage restrictions + bool mCpuWrite; + bool mCpuRead; + bool mGpuWrite; + bool mGpuRead; + + // more usage hint data from the application + // which can be used by a driver to pick the best memory type. + // Likely ignored for now + float mReadWriteRatio; + float mUpdateSize; + + + // Is this a legal structure to be used as a texture source. + // Initially this will require 1D or 2D and color data + bool mIsTexture; + uint32_t mTextureID; + + // Is this a legal structure to be used as a vertex source. + // Initially this will require 1D and x(yzw). Additional per element data + // is allowed. + bool mIsVertexBuffer; + uint32_t mBufferID; +}; + +} +} +#endif + |