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/*
* Copyright (c) 2018, Intel Corporation
*
* 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.
*/
//!
//! \file mos_commandbuffer.h
//! \brief Container for comamnd buffer
//!
#ifndef __MOS_COMMANDBUFFER_H__
#define __MOS_COMMANDBUFFER_H__
#include "mos_graphicsresource.h"
#include "mos_gpucontext.h"
//!
//! \class CommandBuffer
//!
class CommandBuffer
{
public:
//!
//! \brief Constructor
//!
CommandBuffer(){}
//!
//! \brief Destructor
//!
virtual ~CommandBuffer(){}
//!
//! \brief Create Os specific command buffer
//! \return CommandBuffer*
//! Os specific command buffer
//!
static class CommandBuffer* CreateCmdBuf();
//!
//! \brief Allocate graphics resource for current command buffer
//! \param [in] osContext
//! Related os context
//! \param [in] size
//! Required size
//! \return MOS_STATUS
//! MOS_STATUS_SUCCESS if success, otherwise fail reason
//!
virtual MOS_STATUS Allocate(OsContext* osContext, uint32_t size) = 0;
//!
//! \brief Free allocated graphics resource for current command buffer
//!
virtual void Free() = 0;
//!
//! \brief Bind current command buffer to gived gpu context
//! \param [in] gpuContext
//! Gpu context to be binded
//! \return MOS_STATUS
//! MOS_STATUS_SUCCESS if success, otherwise fail reason
//!
virtual MOS_STATUS BindToGpuContext(GpuContext* gpuContext) = 0;
//!
//! \brief Unbind current command buffer from gpu context
//! \return MOS_STATUS
//! MOS_STATUS_SUCCESS if success, otherwise fail reason
//!
virtual void UnBindToGpuContext() = 0;
//!
//! \brief Resize command buffer
//! \param [in] newSize
//! Required size
//! \return MOS_STATUS
//! MOS_STATUS_SUCCESS if success, otherwise fail reason
//!
virtual MOS_STATUS ReSize(uint32_t newSize) = 0;
//!
//! \brief Query command buffer ready to use
//! \return bool
//! True if ready, false if not ready
//!
bool IsReadyToUse() { return m_readyToUse; }
//!
//! \brief Get command buffer size
//! \return uint32_t
//! Command buffer size
//!
uint32_t GetCmdBufSize() { return m_size; }
//!
//! \brief Get current command buffer attached resource
//! \return GraphicsResource*
//! Attached graphics resource
//!
GraphicsResource* GetResource() { return m_graphicsResource; }
//!
//! \brief Get current command buffer's lock address for cpu side usage
//! \return uint8_t*
//! Current command buffer's lock address for cpu side usage
//!
uint8_t* GetLockAddr() { return m_lockAddr; }
protected:
//!
//! \brief Set ready to use
//! \params [in] readyToUse
//!
void SetReadyToUse(bool readyToUse) { m_readyToUse = readyToUse; }
//! \brief Os context
OsContext* m_osContext = nullptr;
//! \brief Gpu context binded to
GpuContext* m_gpuContext = nullptr;
//! \brief Graphics resouce for command buffer
GraphicsResource* m_graphicsResource = nullptr;
//! \brief Lock address for cpu side usage
uint8_t* m_lockAddr = nullptr;
//! \brief Indicate if ready to use
bool m_readyToUse = false;
//! \brief Command buffer size
uint32_t m_size = 0;
};
#endif // __MOS_COMMANDBUFFER_H__
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