From 8369ee58035ca98f776428f6cccbcf987fee3bc9 Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Tue, 23 Dec 2014 13:05:51 -0200 Subject: Rasterizer: Pre-divide vertex attributes by W Execute the division-by-W for perspective-correct interpolation of values in the clipper, moving them out of the rasterization inner loop. --- src/video_core/pica.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/video_core/pica.h') diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 89d97e4e..38bac748 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -757,6 +757,26 @@ struct float24 { return float24::FromFloat32(ToFloat32() - flt.ToFloat32()); } + float24& operator *= (const float24& flt) { + value *= flt.ToFloat32(); + return *this; + } + + float24& operator /= (const float24& flt) { + value /= flt.ToFloat32(); + return *this; + } + + float24& operator += (const float24& flt) { + value += flt.ToFloat32(); + return *this; + } + + float24& operator -= (const float24& flt) { + value -= flt.ToFloat32(); + return *this; + } + float24 operator - () const { return float24::FromFloat32(-ToFloat32()); } -- cgit v1.2.3