piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-25 07:09:48 -06:00
Code Issues Packages Projects Releases Wiki Activity

GPU: Only load the relevant color components upon writes to the tev color registers.

Browse Source 
The other two components need not be valid upon write, hence loading them results in glitches.

Fixes issue 6783.
This commit is contained in:
Tony Wasserka
2014-09-17 18:46:23 +02:00
parent 6d4fd54683
commit 1d23c2ca8b
6 changed files with 121 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
Source/Core/VideoCommon/BPStructs.cpp
View File

@ -480,6 +480,55 @@ static void BPWritten(const BPCmd& bp)
}
}
return;
// ---------------------------------------------------
// Set the TEV Color
// ---------------------------------------------------
//
// NOTE: Each of these registers actually maps to two variables internally.
// There's a bit that specifies which one is currently written to.
//
// NOTE: Some games write only to the RA register (or only to the BG register).
// We may not assume that the unwritten register holds a valid value, hence
// both component pairs need to be loaded individually.
case BPMEM_TEV_COLOR_RA:
case BPMEM_TEV_COLOR_RA + 2:
case BPMEM_TEV_COLOR_RA + 4:
case BPMEM_TEV_COLOR_RA + 6:
{
int num = (bp.address >> 1) & 0x3;
if (bpmem.tevregs[num].type_ra)
{
PixelShaderManager::SetTevKonstColor(num, 0, (s32)bpmem.tevregs[num].red);
PixelShaderManager::SetTevKonstColor(num, 3, (s32)bpmem.tevregs[num].alpha);
}
else
{
PixelShaderManager::SetTevColor(num, 0, (s32)bpmem.tevregs[num].red);
PixelShaderManager::SetTevColor(num, 3, (s32)bpmem.tevregs[num].alpha);
}
return;
}
case BPMEM_TEV_COLOR_BG:
case BPMEM_TEV_COLOR_BG + 2:
case BPMEM_TEV_COLOR_BG + 4:
case BPMEM_TEV_COLOR_BG + 6:
{
int num = (bp.address >> 1) & 0x3;
if (bpmem.tevregs[num].type_bg)
{
PixelShaderManager::SetTevKonstColor(num, 1, (s32)bpmem.tevregs[num].green);
PixelShaderManager::SetTevKonstColor(num, 2, (s32)bpmem.tevregs[num].blue);
}
else
{
PixelShaderManager::SetTevColor(num, 1, (s32)bpmem.tevregs[num].green);
PixelShaderManager::SetTevColor(num, 2, (s32)bpmem.tevregs[num].blue);
}
return;
}
default:
break;
}
@ -548,29 +597,6 @@ static void BPWritten(const BPCmd& bp)
case BPMEM_TX_SETTLUT_4:
return;
// ---------------------------------------------------
// Set the TEV Color
// ---------------------------------------------------
case BPMEM_TEV_REGISTER_L: // Reg 1
case BPMEM_TEV_REGISTER_H:
case BPMEM_TEV_REGISTER_L+2: // Reg 2
case BPMEM_TEV_REGISTER_H+2:
case BPMEM_TEV_REGISTER_L+4: // Reg 3
case BPMEM_TEV_REGISTER_H+4:
case BPMEM_TEV_REGISTER_L+6: // Reg 4
case BPMEM_TEV_REGISTER_H+6:
// some games only send the _L part, so always update
// there actually are 2 register behind each of these
// addresses, selected by the type bit.
{
// don't compare with changes!
int num = (bp.address >> 1) & 0x3;
if ((bp.address & 1) == 0)
PixelShaderManager::SetColorChanged(static_cast<int>(bpmem.tevregs[num].type_ra), num);
else
PixelShaderManager::SetColorChanged(static_cast<int>(bpmem.tevregs[num].type_bg), num);
}
return;
default:
break;
}
@ -1213,19 +1239,19 @@ void GetBPRegInfo(const u8* data, std::string* name, std::string* desc)
break;
}
case BPMEM_TEV_REGISTER_L: // 0xE0
case BPMEM_TEV_REGISTER_L+2:
case BPMEM_TEV_REGISTER_L+4:
case BPMEM_TEV_REGISTER_L+6:
SetRegName(BPMEM_TEV_REGISTER_L);
case BPMEM_TEV_COLOR_RA: // 0xE0
case BPMEM_TEV_COLOR_RA + 2: // 0xE2
case BPMEM_TEV_COLOR_RA + 4: // 0xE4
case BPMEM_TEV_COLOR_RA + 6: // 0xE6
SetRegName(BPMEM_TEV_COLOR_RA);
// TODO: Description
break;
case BPMEM_TEV_REGISTER_H: // 0xE1
case BPMEM_TEV_REGISTER_H+2:
case BPMEM_TEV_REGISTER_H+4:
case BPMEM_TEV_REGISTER_H+6:
SetRegName(BPMEM_TEV_REGISTER_H);
case BPMEM_TEV_COLOR_BG: // 0xE1
case BPMEM_TEV_COLOR_BG + 2: // 0xE3
case BPMEM_TEV_COLOR_BG + 4: // 0xE5
case BPMEM_TEV_COLOR_BG + 6: // 0xE7
SetRegName(BPMEM_TEV_COLOR_BG);
// TODO: Description
break;