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gsdx: let's handle illegal 4 bits format too 

In doubt if some games use them.
This commit is contained in:
Gregory Hainaut 2016-10-03 21:46:23 +02:00
parent 9b93c07339
commit d827497403
1 changed files with 19 additions and 7 deletions
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26
plugins/GSdx/GSState.cpp
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@ -1288,11 +1288,25 @@ template<int i> void GSState::GIFRegHandlerFRAME(const GIFReg* RESTRICT r)
m_env.CTXT[i].FRAME = (GSVector4i)r->FRAME;
// Berserk uses the format to only update the alpha channel
if (m_env.CTXT[i].FRAME.PSM == PSM_PSMT8H) {
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT8H by PSM_PSMCT32/0x00FF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0x00FFFFFF;
switch (m_env.CTXT[i].FRAME.PSM) {
case PSM_PSMT8H:
// Berserk uses the format to only update the alpha channel
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT8H by PSM_PSMCT32/0x00FF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0x00FFFFFF;
break;
case PSM_PSMT4HH: // Not tested. Based on PSM_PSMT8H behavior
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT4HH by PSM_PSMCT32/0x0FFF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0x0FFFFFFF;
break;
case PSM_PSMT4HL: // Not tested. Based on PSM_PSMT8H behavior
GL_INS("CORRECT FRAME FORMAT replaces PSM_PSMT4HL by PSM_PSMCT32/0xF0FF_FFFF");
m_env.CTXT[i].FRAME.PSM = PSM_PSMCT32;
m_env.CTXT[i].FRAME.FBMSK = 0xF0FFFFFF;
break;
default:
break;
}
#ifdef DISABLE_BITMASKING
@ -1560,8 +1574,6 @@ void GSState::FlushPrim()
if(GSLocalMemory::m_psm[m_context->FRAME.PSM].fmt < 3 && GSLocalMemory::m_psm[m_context->ZBUF.PSM].fmt < 3)
{
// FIXME: berserk fpsm = 27 (8H)
m_vt.Update(m_vertex.buff, m_index.buff, m_index.tail, GSUtil::GetPrimClass(PRIM->PRIM));
try {