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gsdx: size doesn't count but 0.625 might change your life :p

This commit is contained in:
Gregory Hainaut 2016-09-26 19:42:07 +02:00
parent be9995bd1e
commit 04d82d8127
1 changed files with 11 additions and 3 deletions
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14
plugins/GSdx/GSRendererHW.cpp
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@ -489,7 +489,7 @@ void GSRendererHW::Draw()
// Code from the SW renderer // Code from the SW renderer
if (IsMipMapActive()) { if (IsMipMapActive()) {
//gd.sel.mmin = (context->TEX1.MMIN & 1) + 1; // 1: round, 2: tri int interpolation = (context->TEX1.MMIN & 1) + 1; // 1: round, 2: tri
int mxl = std::min<int>((int)m_context->TEX1.MXL, 6); int mxl = std::min<int>((int)m_context->TEX1.MXL, 6);
int k = (m_context->TEX1.K + 8) >> 4; int k = (m_context->TEX1.K + 8) >> 4;
@ -508,12 +508,20 @@ void GSRendererHW::Draw()
} }
if (lcm == 1) { if (lcm == 1) {
lod = std::max<int>(std::min<int>(k, mxl), 0); lod = std::max<int>(k, 0);
} else { } else {
// Not constant but who care ! // Not constant but who care !
lod = std::max<int>((int)round(m_vt.m_lod.x), 0); if (interpolation == 2) {
// Mipmap Linear. Both layers are sampled, only take the big one
lod = std::max<int>((int)floor(m_vt.m_lod.x), 0);
} else {
// On GS lod is an int with 4 decimal digit.
lod = std::max<int>((int)round(m_vt.m_lod.x + 0.0625), 0);
}
} }
lod = std::min<int>(lod, mxl);
TEX0 = GetTex0Layer(lod); TEX0 = GetTex0Layer(lod);
// FIXME: previous round lod is likely wrong. Following code is a workaround until it is done properly // FIXME: previous round lod is likely wrong. Following code is a workaround until it is done properly