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GS/HW: Ignore alpha on double half clear if not used

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refractionpcsx2 2024-05-20 17:15:21 +01:00 committed by lightningterror
parent e24d97bbe4
commit b512162956
1 changed files with 17 additions and 1 deletions
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18
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -6384,7 +6384,23 @@ bool GSRendererHW::DetectDoubleHalfClear(bool& no_rt, bool& no_ds)
const GSLocalMemory::psm_t& frame_psm = GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM]; const GSLocalMemory::psm_t& frame_psm = GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM];
const GSLocalMemory::psm_t& zbuf_psm = GSLocalMemory::m_psm[m_cached_ctx.ZBUF.PSM]; const GSLocalMemory::psm_t& zbuf_psm = GSLocalMemory::m_psm[m_cached_ctx.ZBUF.PSM];
if (((m_cached_ctx.FRAME.FBMSK & frame_psm.fmsk) != 0 && (m_cached_ctx.FRAME.FBMSK & zbuf_psm.fmsk) != 0)) if (((m_cached_ctx.FRAME.FBMSK & frame_psm.fmsk) != 0 && (m_cached_ctx.FRAME.FBMSK & zbuf_psm.fmsk) != 0))
return false; {
if ((m_cached_ctx.FRAME.FBMSK & frame_psm.fmsk) == (0xFF000000 & frame_psm.fmsk))
{
// Alpha is masked, if the alpha is black anyways, and Z is writing to alpha, then just allow it. Tony Hawk Pro Skater 4 doesn't use the alpha channel but does this messy double clear.
if (frame_psm.trbpp == 32 && zbuf_psm.trbpp == 32 && m_vt.m_max.c.a == 0 && m_vt.m_max.p.z < 0x1000000)
{
GSTextureCache::Target* frame = g_texture_cache->GetExactTarget(m_cached_ctx.FRAME.Block(), m_cached_ctx.FRAME.FBW, GSTextureCache::RenderTarget, m_cached_ctx.FRAME.Block());
if (frame && frame->m_alpha_max > 0)
return false;
}
else
return false;
}
else
return false;
}
// Z and color must be constant and the same // Z and color must be constant and the same
if (m_vt.m_eq.rgba != 0xFFFF || !m_vt.m_eq.z) if (m_vt.m_eq.rgba != 0xFFFF || !m_vt.m_eq.z)