foreman
c006b7b262
SWDEV-79445 - OCL generic changes and code clean-up - Reduce the managed buffer alignment to 128 bytes - Add direct upload function to the constant buffer - Add heap preference print into the active allocations Affected files ... ... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palconstbuf.cpp#7 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palconstbuf.hpp#6 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palkernel.cpp#49 edit ... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palvirtual.cpp#87 edit
109 γραμμές
3.3 KiB
C++
109 γραμμές
3.3 KiB
C++
//
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// Copyright (c) 2015 Advanced Micro Devices, Inc. All rights reserved.
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//
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#pragma once
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#include "device/pal/palmemory.hpp"
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//! \namespace pal PAL Resource Implementation
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namespace pal {
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//! Managed buffer (staging or constant)
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class ManagedBuffer : public amd::HeapObject {
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public:
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//! Constructor for the ConstBuffer class
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ManagedBuffer(VirtualGPU& gpu, //!< Virtual GPU device object
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uint32_t size //!< size of the managed buffers in bytes
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);
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//! Destructor for the ConstBuffer class
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~ManagedBuffer();
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//! Creates the real HW constant buffer
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bool create(Resource::MemoryType type);
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/*! \brief Uploads current constant buffer data from sysMemCopy_ to HW
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*
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* \return True if the data upload was succesful
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*/
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address reserve(uint32_t size, //!< real data size for upload
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uint64_t* gpu_address);
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//! Returns CB size
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uint32_t size() const { return size_; }
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//! Returns current write offset for the managed buffer
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uint32_t wrtOffset() const { return wrtOffset_; }
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//! Returns active GPU buffer
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Memory* activeMemory() const { return buffers_[activeBuffer_]; }
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uint64_t vmAddress() const { return buffers_[activeBuffer_]->vmAddress(); }
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private:
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//! The maximum number of the managed buffers
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static constexpr uint32_t MaxNumberOfBuffers = 3;
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//! Disable copy constructor
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ManagedBuffer(const ManagedBuffer&) = delete;
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//! Disable operator=
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ManagedBuffer& operator=(const ManagedBuffer&) = delete;
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VirtualGPU& gpu_; //!< Virtual GPU object
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std::vector<Memory*> buffers_; //!< Buffers for management
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uint32_t activeBuffer_; //!< Current active buffer
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uint32_t size_; //!< Constant buffer size
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uint32_t wrtOffset_; //!< Current write offset
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address wrtAddress_; //!< Write address in CB
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};
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//! Constant buffer
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class ConstantBuffer : public amd::HeapObject {
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public:
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//! Constructor for the ConstBuffer class
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ConstantBuffer(ManagedBuffer& mbuf, //!< Managed buffer
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uint32_t size
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);
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//! Destructor for the ConstBuffer class
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~ConstantBuffer();
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//! Creates the real HW constant buffer
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bool Create();
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/*! \brief Uploads current constant buffer data from sysMemCopy_ to HW
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*
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* \return GPU address for the uploaded data
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*/
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uint64_t UploadDataToHw(uint32_t size //!< real data size for upload
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) const;
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/*! \brief Uploads current constant buffer data from sysMemCopy_ to HW
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*
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* \return GPU address for the uploaded data
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*/
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uint64_t UploadDataToHw(const void* sysmem, //!< Pointer to the data for upload
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uint32_t size //!< Real data size for upload
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) const;
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//! Returns a pointer to the system memory copy for CB
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address SysMemCopy(uint32_t size = 0) const { return sys_mem_copy_; }
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//! Returns active GPU buffer
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Memory* ActiveMemory() const { return mbuf_.activeMemory(); }
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private:
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//! Disable copy constructor
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ConstantBuffer(const ConstantBuffer&) = delete;
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//! Disable operator=
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ConstantBuffer& operator=(const ConstantBuffer&) = delete;
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ManagedBuffer& mbuf_; //!< Managed buffer on GPU
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address sys_mem_copy_; //!< System memory copy
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uint32_t size_; //!< Constant buffer size
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};
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/*@}*/} // namespace pal
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