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gsdx: improve detection of channel shuffle 

Improve rendering on Prince Of Persia (requires preload data hack)

Worth to re-test: MTGS2/3

Urban Chaos is a bit better but there still a bad overlay
This commit is contained in:
Gregory Hainaut 2016-04-29 18:00:23 +02:00
parent 2160d7da81
commit b78c772a14
1 changed files with 18 additions and 1 deletions
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19
plugins/GSdx/GSRendererHW.cpp
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@ -372,7 +372,16 @@ void GSRendererHW::Draw()
(context->FRAME.FBP == context->ZBUF.ZBP && !PRIM->TME && !context->ZBUF.ZMSK && !context->FRAME.FBMSK && context->TEST.ZTE) (context->FRAME.FBP == context->ZBUF.ZBP && !PRIM->TME && !context->ZBUF.ZMSK && !context->FRAME.FBMSK && context->TEST.ZTE)
); );
if (PRIM->TME && m_context->FRAME.Block() == m_context->TEX0.TBP0 && (m_vt.m_primclass == GS_SPRITE_CLASS)) { if (m_channel_shuffle) {
GSVector4 delta_p = m_vt.m_max.p - m_vt.m_min.p;
m_channel_shuffle = PRIM->TME && (m_context->TEX0.PSM == PSM_PSMT8) && (delta_p.x <= 64.0f) && (delta_p.y <= 32.0f) && (m_vt.m_primclass == GS_SPRITE_CLASS);
if (m_channel_shuffle) {
GL_INS("Channel shuffle effect detected SKIP");
GL_POP();
s_n += 3; // Keep it sync with SW renderer
return;
}
} else if (PRIM->TME && m_context->FRAME.Block() == m_context->TEX0.TBP0 && (m_vt.m_primclass == GS_SPRITE_CLASS)) {
// Special post-processing effect // Special post-processing effect
GSVector4 delta_p = m_vt.m_max.p - m_vt.m_min.p; GSVector4 delta_p = m_vt.m_max.p - m_vt.m_min.p;
@ -469,6 +478,14 @@ void GSRendererHW::Draw()
// Texture shuffle is not yet supported with strange clamp mode // Texture shuffle is not yet supported with strange clamp mode
ASSERT(!m_texture_shuffle || (context->CLAMP.WMS < 3 && context->CLAMP.WMT < 3)); ASSERT(!m_texture_shuffle || (context->CLAMP.WMS < 3 && context->CLAMP.WMT < 3));
GSVector4 delta_p = m_vt.m_max.p - m_vt.m_min.p;
if (tex->m_target && m_context->TEX0.PSM == PSM_PSMT8 && ((delta_p.x <= 64.0f) && (delta_p.y <= 32.0f))) {
GL_INS("Channel shuffle effect detected (2nd shot)");
m_channel_shuffle = true;
} else {
m_channel_shuffle = false;
}
} }
if (rt) { if (rt) {
// Be sure texture shuffle detection is properly propagated // Be sure texture shuffle detection is properly propagated