From 4b706847d4ffbaa72b2d2a39130f71b0d2a401b6 Mon Sep 17 00:00:00 2001 From: iCatButler Date: Tue, 3 May 2016 17:02:53 +0100 Subject: Ensure w is reset to 1.f to prevent stale values. --- libpcsxcore/pgxp_gte.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'libpcsxcore') diff --git a/libpcsxcore/pgxp_gte.c b/libpcsxcore/pgxp_gte.c index 5d681d85..3ee5db22 100644 --- a/libpcsxcore/pgxp_gte.c +++ b/libpcsxcore/pgxp_gte.c @@ -306,17 +306,18 @@ void PGXP_RTPS(u32 _n, u32 _v) float MAC2 = TRY + (R21 * VX(_n)) + (R22 * VY(_n)) + (R23 * VZ(_n)); float MAC3 = TRZ + (R31 * VX(_n)) + (R32 * VY(_n)) + (R33 * VZ(_n)); - float H = psxRegs.CP2C.p[26].sw.l; - float SZ3 = max(MAC3, H); - float h_over_sz3 = H / SZ3; + float H = psxRegs.CP2C.p[26].sw.l; // Near plane + float F = 0xFFFF; // Far plane? + float SZ3 = max(MAC3, H); // Clamp SZ3 to near plane because we have no clipping (no proper Z) + // float h_over_sz3 = H / SZ3; // Offsets with 16-bit shift - float OFX = (float)psxRegs.CP2C.p[ 24 ].sd / (float)(1 << 16); - float OFY = (float)psxRegs.CP2C.p[ 25 ].sd / (float)(1 << 16); + float OFX = (float)psxRegs.CP2C.p[24].sd / (float)(1 << 16); + float OFY = (float)psxRegs.CP2C.p[25].sd / (float)(1 << 16); // PSX Screen space X,Y,W components - float sx = OFX + (MAC1 * h_over_sz3) * (Config.Widescreen ? 0.75 : 1); - float sy = OFY + (MAC2 * h_over_sz3); + float sx = OFX + (MAC1 * (H / SZ3)) * (Config.Widescreen ? 0.75 : 1); + float sy = OFY + (MAC2 * (H / SZ3)); float sw = SZ3; PGXP_pushSXYZ2f(sx , sy , sw, _v); -- cgit v1.2.3