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GS:HW: Add a few clamp mode optimizations

This commit is contained in:
TellowKrinkle 2022-01-23 00:59:08 -06:00 committed by refractionpcsx2
parent eca5eced63
commit 8c16e3231e
1 changed files with 18 additions and 2 deletions
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20
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -1390,17 +1390,33 @@ void GSRendererHW::Draw()
m_tc->LookupSource(TEX0, env.TEXA, tmm.coverage, m_hw_mipmap >= HWMipmapLevel::Basic ||
GSConfig.UserHacks_TriFilter == TriFiltering::Forced);
int tw = 1 << TEX0.TW;
int th = 1 << TEX0.TH;
// Texture clamp optimizations (try to move everything to sampler hardware)
if (m_context->CLAMP.WMS == CLAMP_REGION_CLAMP && MIP_CLAMP.MINU == 0 && MIP_CLAMP.MAXU == tw - 1)
m_context->CLAMP.WMS = CLAMP_CLAMP;
else if (m_context->CLAMP.WMS == CLAMP_REGION_REPEAT && MIP_CLAMP.MINU == tw - 1 && MIP_CLAMP.MAXU == 0)
m_context->CLAMP.WMS = CLAMP_REPEAT;
else if ((m_context->CLAMP.WMS & 2) && !(tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_U))
m_context->CLAMP.WMS = CLAMP_CLAMP;
if (m_context->CLAMP.WMT == CLAMP_REGION_CLAMP && MIP_CLAMP.MINV == 0 && MIP_CLAMP.MAXV == th - 1)
m_context->CLAMP.WMT = CLAMP_CLAMP;
else if (m_context->CLAMP.WMT == CLAMP_REGION_REPEAT && MIP_CLAMP.MINV == th - 1 && MIP_CLAMP.MAXV == 0)
m_context->CLAMP.WMT = CLAMP_REPEAT;
else if ((m_context->CLAMP.WMT & 2) && !(tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_V))
m_context->CLAMP.WMT = CLAMP_CLAMP;
// If m_src is from a target that isn't the same size as the texture, texture sample edge modes won't work quite the same way
// If the game actually tries to access stuff outside of the rendered target, it was going to get garbage anyways so whatever
// But the game could issue reads that wrap to valid areas, so move wrapping to the shader if wrapping is used
GSVector4i unscaled_size = GSVector4i(GSVector4(m_src->m_texture->GetSize()) / GSVector4(m_src->m_texture->GetScale()));
if (m_context->CLAMP.WMS == CLAMP_REPEAT && (tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_U) && unscaled_size.x != 1 << TEX0.TW)
if (m_context->CLAMP.WMS == CLAMP_REPEAT && (tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_U) && unscaled_size.x != tw)
{
m_context->CLAMP.WMS = CLAMP_REGION_REPEAT;
m_context->CLAMP.MINU = (1 << m_context->TEX0.TW) - 1;
m_context->CLAMP.MAXU = 0;
}
if (m_context->CLAMP.WMT == CLAMP_REPEAT && (tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_V) && unscaled_size.y != 1 << TEX0.TH)
if (m_context->CLAMP.WMT == CLAMP_REPEAT && (tmm.uses_boundary & TextureMinMaxResult::USES_BOUNDARY_V) && unscaled_size.y != th)
{
m_context->CLAMP.WMT = CLAMP_REGION_REPEAT;
m_context->CLAMP.MINV = (1 << m_context->TEX0.TH) - 1;