dolphin/Source/Plugins/Plugin_VideoSoftware/Src/CPMemLoader.cpp

81 lines
1.9 KiB
C++

// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "VideoCommon.h"
#include "CPMemLoader.h"
#include "HW/Memmap.h"
// CP state
static u8 *_cached_arraybases[16];
// STATE_TO_SAVE
static u32 _arraybases[16];
static u32 _arraystrides[16];
static TMatrixIndexA _MatrixIndexA;
static TMatrixIndexB _MatrixIndexB;
static TVtxDesc _g_VtxDesc;
static VAT _g_VtxAttr[8];
void SWLoadCPReg(u32 sub_cmd, u32 value)
{
switch (sub_cmd & 0xF0)
{
case 0x30:
_MatrixIndexA.Hex = value;
break;
case 0x40:
_MatrixIndexB.Hex = value;
break;
case 0x50:
_g_VtxDesc.Hex &= ~0x1FFFF; // keep the Upper bits
_g_VtxDesc.Hex |= value;
break;
case 0x60:
_g_VtxDesc.Hex &= 0x1FFFF; // keep the lower 17Bits
_g_VtxDesc.Hex |= (u64)value << 17;
break;
case 0x70:
_assert_((sub_cmd & 0x0F) < 8);
_g_VtxAttr[sub_cmd & 7].g0.Hex = value;
break;
case 0x80:
_assert_((sub_cmd & 0x0F) < 8);
_g_VtxAttr[sub_cmd & 7].g1.Hex = value;
break;
case 0x90:
_assert_((sub_cmd & 0x0F) < 8);
_g_VtxAttr[sub_cmd & 7].g2.Hex = value;
break;
// Pointers to vertex arrays in GC RAM
case 0xA0:
_arraybases[sub_cmd & 0xF] = value;
_cached_arraybases[sub_cmd & 0xF] = Memory::GetPointer(value);
break;
case 0xB0:
_arraystrides[sub_cmd & 0xF] = value & 0xFF;
break;
}
}