Tao Sang
fdef6f722f
When HIP_ENABLE_DEFERRED_LOADING=0, many global variables will be referenced but they are not initialized in that early time. The patch will use constexpr to initialze global constant varables in compile time. Change-Id: I9d538b7abc6a0ce700ec3332b97fc144db5fc1ef
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
/* Copyright (c) 2010-present Advanced Micro Devices, Inc.
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE. */
|
|
|
|
#ifndef GPUCONSTBUF_HPP_
|
|
#define GPUCONSTBUF_HPP_
|
|
|
|
#include "device/gpu/gpumemory.hpp"
|
|
|
|
//! \namespace gpu GPU Resource Implementation
|
|
namespace gpu {
|
|
|
|
//! Cconstant buffer
|
|
class ConstBuffer : public Memory {
|
|
public:
|
|
//! Vector size of the constant buffer
|
|
static constexpr size_t VectorSize = 16;
|
|
|
|
//! Constructor for the ConstBuffer class
|
|
ConstBuffer(VirtualGPU& gpu, //!< Virtual GPU device object
|
|
size_t size //!< size of the constant buffer in vectors
|
|
);
|
|
|
|
//! Destructor for the ConstBuffer class
|
|
~ConstBuffer();
|
|
|
|
//! Creates the real HW constant buffer
|
|
bool create();
|
|
|
|
/*! \brief Uploads current constant buffer data from sysMemCopy_ to HW
|
|
*
|
|
* \return True if the data upload was succesful
|
|
*/
|
|
bool uploadDataToHw(size_t size //!< real data size for upload
|
|
);
|
|
|
|
//! Returns a pointer to the system memory copy for CB
|
|
address sysMemCopy() const { return sysMemCopy_; }
|
|
|
|
//! Returns CB size
|
|
size_t size() const { return size_; }
|
|
|
|
//! Returns current write offset for the constant buffer
|
|
size_t wrtOffset() const { return wrtOffset_; }
|
|
|
|
//! Returns last write size for the constant buffer
|
|
size_t lastWrtSize() const { return lastWrtSize_; }
|
|
|
|
private:
|
|
//! Disable copy constructor
|
|
ConstBuffer(const ConstBuffer&);
|
|
|
|
//! Disable operator=
|
|
ConstBuffer& operator=(const ConstBuffer&);
|
|
|
|
VirtualGPU& gpu_; //!< Virtual GPU object
|
|
address sysMemCopy_; //!< System memory copy
|
|
size_t size_; //!< Constant buffer size
|
|
size_t wrtOffset_; //!< Current write offset
|
|
size_t lastWrtSize_; //!< Last write size
|
|
void* wrtAddress_; //!< Write address in CB
|
|
};
|
|
|
|
|
|
/*@}*/} // namespace gpu
|
|
|
|
#endif /*GPUCONSTBUF_HPP_*/
|