From 4d89df8df22c24748f7435ce8a94ec861f1bff0d Mon Sep 17 00:00:00 2001 From: Lioncash Date: Thu, 17 Mar 2016 00:55:55 -0400 Subject: [PATCH] shader_interpreter: use std::inner_product for the dot product Same thing, less code. --- src/video_core/shader/shader_interpreter.cpp | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/video_core/shader/shader_interpreter.cpp b/src/video_core/shader/shader_interpreter.cpp index 295a2466b..2dc8d5d5e 100644 --- a/src/video_core/shader/shader_interpreter.cpp +++ b/src/video_core/shader/shader_interpreter.cpp @@ -2,10 +2,10 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include - +#include #include +#include "common/file_util.h" #include "video_core/pica.h" #include "video_core/pica_state.h" #include "video_core/shader/shader.h" @@ -214,10 +214,8 @@ void RunInterpreter(UnitState& state) { if (opcode == OpCode::Id::DPH || opcode == OpCode::Id::DPHI) src1[3] = float24::FromFloat32(1.0f); - float24 dot = float24::FromFloat32(0.f); int num_components = (opcode == OpCode::Id::DP3) ? 3 : 4; - for (int i = 0; i < num_components; ++i) - dot = dot + src1[i] * src2[i]; + float24 dot = std::inner_product(src1, src1 + num_components, src2, float24::FromFloat32(0.f)); for (int i = 0; i < 4; ++i) { if (!swizzle.DestComponentEnabled(i))