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GS/HW: Add DS and Alpha Test checks

This commit is contained in:
refractionpcsx2 2024-01-16 21:21:21 +00:00 committed by Connor McLaughlin
parent 8818cd0285
commit 9c463f1338
1 changed files with 19 additions and 4 deletions
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23
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -1212,6 +1212,11 @@ void GSRendererHW::FinishSplitClear()
bool GSRendererHW::IsRTWritten()
{
const GIFRegTEST TEST = m_cached_ctx.TEST;
const bool only_z_written = (TEST.ATE && TEST.ATST == ATST_NEVER && TEST.AFAIL == AFAIL_ZB_ONLY);
if (only_z_written)
return false;
const u32 written_bits = (~m_cached_ctx.FRAME.FBMSK & GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM].fmsk);
const GIFRegALPHA ALPHA = m_context->ALPHA;
return (
@ -1828,7 +1833,10 @@ void GSRendererHW::Draw()
// skip alpha test if possible
// Note: do it first so we know if frame/depth writes are masked
u32 fm = m_cached_ctx.FRAME.FBMSK;
u32 zm = m_cached_ctx.ZBUF.ZMSK || m_cached_ctx.TEST.ZTE == 0 ? 0xffffffff : 0;
u32 zm = (m_cached_ctx.ZBUF.ZMSK || m_cached_ctx.TEST.ZTE == 0 ||
(m_cached_ctx.TEST.ATE && m_cached_ctx.TEST.ATST == ZTST_NEVER && m_cached_ctx.TEST.AFAIL != AFAIL_ZB_ONLY)) ?
0xffffffffu :
0;
const u32 fm_mask = GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM].fmsk;
// Note required to compute TryAlphaTest below. So do it now.
@ -2323,7 +2331,10 @@ void GSRendererHW::Draw()
CalcAlphaMinMax(src->m_alpha_minmax.first, src->m_alpha_minmax.second);
u32 new_fm = m_context->FRAME.FBMSK;
u32 new_zm = m_context->ZBUF.ZMSK || m_context->TEST.ZTE == 0 ? 0xffffffff : 0;
u32 new_zm = (m_cached_ctx.ZBUF.ZMSK || m_cached_ctx.TEST.ZTE == 0 ||
(m_cached_ctx.TEST.ATE && m_cached_ctx.TEST.ATST == ZTST_NEVER && m_cached_ctx.TEST.AFAIL != AFAIL_ZB_ONLY)) ?
0xffffffffu :
0;
if (m_cached_ctx.TEST.ATE && GSRenderer::TryAlphaTest(new_fm, new_zm))
{
m_cached_ctx.TEST.ATE = false;
@ -2331,8 +2342,12 @@ void GSRendererHW::Draw()
m_cached_ctx.ZBUF.ZMSK = (new_zm != 0);
fm = new_fm;
zm = new_zm;
no_rt = no_rt || (!m_cached_ctx.TEST.DATE && (fm & GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM].fmsk) == GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM].fmsk);
no_ds = no_ds || (zm != 0 && all_depth_tests_pass);
no_rt = no_rt || (!IsRTWritten() && !m_cached_ctx.TEST.DATE);
no_ds = no_ds || (zm != 0 && all_depth_tests_pass) ||
// Depth will be written through the RT
(!no_rt && m_cached_ctx.FRAME.FBP == m_cached_ctx.ZBUF.ZBP && !PRIM->TME && zm == 0 && (fm & fm_mask) == 0 && m_cached_ctx.TEST.ZTE) ||
// No color or Z being written.
(no_rt && zm != 0);
if (no_rt && no_ds)
{
GL_INS("Late draw cancel because no pixels pass alpha test.");