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Video_Software: Implement texture preloading

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This commit is contained in:
NeoBrainX
2012-11-03 15:36:40 +01:00
parent d13163380d
commit 6f21f5eb34
2 changed files with 29 additions and 3 deletions
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20
Source/Plugins/Plugin_VideoSoftware/Src/BPMemLoader.cpp
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@ -111,7 +111,25 @@ void SWBPWritten(int address, int newvalue)
PanicAlert("Invalid palette pointer %08x %08x %08x", bpmem.tmem_config.tlut_src, bpmem.tmem_config.tlut_src << 5, (bpmem.tmem_config.tlut_src & 0xFFFFF)<< 5);
break;
}
case BPMEM_PRELOAD_MODE:
if (newvalue != 0)
{
// NOTE(neobrain): Apparently tmemodd doesn't affect hardware behavior at all (libogc uses it just as a buffe$
BPS_TmemConfig& tmem_cfg = bpmem.tmem_config;
u8* ram_ptr = Memory::GetPointer(tmem_cfg.preload_addr << 5);
u32 tmem_addr = tmem_cfg.preload_tmem_even * TMEM_LINE_SIZE;
u32 size = tmem_cfg.preload_tile_info.count * 32;
// Check if the game has overflowed TMEM, and copy up to the limit.
// Paper Mario does this when entering the Great Boogly Tree (Chap 2)
if ((tmem_addr + size) > TMEM_SIZE)
size = TMEM_SIZE - tmem_addr;
memcpy(texMem + tmem_addr, ram_ptr, size);
}
break;
case BPMEM_TEV_REGISTER_L: // Reg 1
case BPMEM_TEV_REGISTER_L+2: // Reg 2
case BPMEM_TEV_REGISTER_L+4: // Reg 3