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GS/HW: Native Scaling detection of mild downscale and write back

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refractionpcsx2
2026-09-03 14:14:47 +02:00
committed by lightningterror
parent 1c04aeb160
commit c2b4bc217e
1 changed files with 3 additions and 1 deletions
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pcsx2/GS/Renderers/HW/GSRendererHW.cpp
+3 -1
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@@ -10708,8 +10708,10 @@ int GSRendererHW::IsScalingDraw(GSTextureCache::Source* src, bool no_gaps)
IsMipMapDraw() || GSLocalMemory::m_psm[m_cached_ctx.TEX0.PSM].trbpp <= 8)
return 0;
const bool is_smaller = draw_size.x <= (tex_size.x * 0.75f) && draw_size.y <= (tex_size.y * 0.75f);
const bool is_smaller_and_writing_back = draw_size.x < tex_size.x && draw_size.y < tex_size.y && next_ctx.FRAME.Block() == m_cached_ctx.TEX0.TBP0 && next_ctx.TEX0.TBP0 == m_cached_ctx.FRAME.Block();
// Should usually be 2x but some games like Monster House goes from 512x448 -> 128x128
const bool is_downscale = m_cached_ctx.TEX0.TBW >= m_cached_ctx.FRAME.FBW && draw_size.x <= (tex_size.x * 0.75f) && draw_size.y <= (tex_size.y * 0.75f);
const bool is_downscale = m_cached_ctx.TEX0.TBW >= m_cached_ctx.FRAME.FBW && (is_smaller || is_smaller_and_writing_back);
// Check we're getting most of the texture and not just stenciling a part of it.
// Only allow non-bilineared downscales if it's most of the target (misdetections of shadows in Naruto, Transformers etc), otherwise it's fine.
const GSVector4i src_valid = src->m_from_target ? src->m_from_target->m_valid : src->m_valid_rect;