mirror of https://github.com/PCSX2/pcsx2.git
115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/* ZZ Open GL graphics plugin
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* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
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* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef HOSTMEMORY_H_INCLUDED
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#define HOSTMEMORY_H_INCLUDED
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#include "GLWin.h"
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#define MEMORY_END 0x00400000
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extern int GPU_TEXWIDTH;
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extern u8* g_pBasePS2Mem;
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extern u8* g_pbyGSMemory;
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class GSMemory
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{
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public:
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void init();
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void destroy();
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u8* get();
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u8* get(u32 addr);
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u8* get_raw(u32 addr);
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};
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extern u8* g_pbyGSClut; // the temporary clut buffer
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class GSClut
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{
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public:
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void init();
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void destroy();
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u8* get();
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u8* get(u32 addr);
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u8* get_raw(u32 addr);
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};
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class ZeroGSInit
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{
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public:
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ZeroGSInit()
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{
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const u32 mem_size = MEMORY_END + 0x10000; // leave some room for out of range accesses (saves on the checks)
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// clear
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g_pbyGSMemory = (u8*)_aligned_malloc(mem_size, 1024);
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memset(g_pbyGSMemory, 0, mem_size);
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g_pbyGSClut = (u8*)_aligned_malloc(256 * 8, 1024); // need 512 alignment!
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memset(g_pbyGSClut, 0, 256*8);
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memset(&GLWin, 0, sizeof(GLWin));
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}
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~ZeroGSInit()
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{
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_aligned_free(g_pbyGSMemory);
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g_pbyGSMemory = NULL;
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_aligned_free(g_pbyGSClut);
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g_pbyGSClut = NULL;
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}
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};
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// The size in bytes of x strings (of texture).
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inline int MemorySize(int x)
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{
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return 4 * GPU_TEXWIDTH * x;
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}
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// Return the address in memory of data block for string x.
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inline u8* MemoryAddress(int x)
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{
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return g_pbyGSMemory + MemorySize(x);
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}
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template <u32 mult>
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inline u8* _MemoryAddress(int x)
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{
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return g_pbyGSMemory + mult * x;
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}
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extern void GetRectMemAddress(int& start, int& end, int psm, int x, int y, int w, int h, int bp, int bw);
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// called when trxdir is accessed. If host is involved, transfers memory to temp buffer byTransferBuf.
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// Otherwise performs the transfer. TODO: Perhaps divide the transfers into chunks?
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extern void InitTransferHostLocal();
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extern void TransferHostLocal(const void* pbyMem, u32 nQWordSize);
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extern void InitTransferLocalHost();
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extern void TransferLocalHost(void* pbyMem, u32 nQWordSize);
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extern void TransferLocalLocal();
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extern void TerminateLocalHost();
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extern void TerminateHostLocal();
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#endif // HOSTMEMORY_H_INCLUDED
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