mirror of
https://github.com/ARMSX2/ARMSX2.git
synced 2026-08-24 16:50:16 -07:00
Connor McLaughlin
98038201b3
Simplifies things since we don't need to care about <Win10 support now. Also gets rid of vmalloc() in favor of the common routines.
72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2021 PCSX2 Dev Team
|
|
*
|
|
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU Lesser General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with PCSX2.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "PrecompiledHeader.h"
|
|
#include "GSCodeBuffer.h"
|
|
#include "GSExtra.h"
|
|
#include "common/General.h"
|
|
|
|
GSCodeBuffer::GSCodeBuffer(size_t blocksize)
|
|
: m_blocksize(blocksize)
|
|
, m_pos(0)
|
|
, m_reserved(0)
|
|
, m_ptr(NULL)
|
|
{
|
|
}
|
|
|
|
GSCodeBuffer::~GSCodeBuffer()
|
|
{
|
|
for (auto buffer : m_buffers)
|
|
{
|
|
HostSys::Munmap(buffer, m_blocksize);
|
|
}
|
|
}
|
|
|
|
void* GSCodeBuffer::GetBuffer(size_t size)
|
|
{
|
|
pxAssert(size < m_blocksize);
|
|
pxAssert(m_reserved == 0);
|
|
|
|
size = (size + 15) & ~15;
|
|
|
|
if (m_ptr == NULL || m_pos + size > m_blocksize)
|
|
{
|
|
m_ptr = (u8*)HostSys::Mmap(nullptr, m_blocksize, PageProtectionMode().All());
|
|
if (!m_ptr)
|
|
pxFailRel("Failed to allocate GS code buffer");
|
|
|
|
m_pos = 0;
|
|
|
|
m_buffers.push_back(m_ptr);
|
|
}
|
|
|
|
u8* ptr = &m_ptr[m_pos];
|
|
|
|
m_reserved = size;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
void GSCodeBuffer::ReleaseBuffer(size_t size)
|
|
{
|
|
pxAssert(size <= m_reserved);
|
|
|
|
m_pos = ((m_pos + size) + 15) & ~15;
|
|
|
|
pxAssert(m_pos < m_blocksize);
|
|
|
|
m_reserved = 0;
|
|
}
|