rikusalminen

#if defined(__ARM_NEON__)
vec4 dot(vec4 a, vec4 b)
{
    vec4 prod = vmulq_f32(a, b);
    vec4 sum1 = vaddq_f32(prod, vrev64q_f32(prod));
    vec4 sum2 = vaddq_f32(sum1, vcombine_f32(vget_high_f32(sum1), vget_low_f32(sum1)));
    return sum2;
}
#else if defined(__SSE3__)
static inline vec4 vdot(vec4 x, vec4 y)

chrisbanes

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

paniq

max(-x,-y) = -min(x,y)
min(-x,-y) = -max(x,y)

abs(x) = abs(-x)
abs(x) = max(x,-x) = -min(x,-x)
abs(x*a) = if (a >= 0) abs(x)*a
              (a <  0) -abs(x)*a

// basically any commutative operation
min(x,y) + max(x,y) = x + y

Nokius

ARCH LINUX WITH MAINLINE KERNEL FOR TOSHIBA AC100

all u need

• 1-2 hours of your life
• build envirment for the Kernel
• device with Ubuntu and nvflash
• AC100
• mini-usb cabel
• usb-stick >512MB

pixelmager

Use cases

• Bluenoise in the game INSIDE (dithering, raymarching, reflections)
• Dithering, Ray marching, shadows etc
• A Survery of Blue Noise and Its Applications

Textures/Matrices for direct use (data!)

• Moments In Graphics (void-and-cluster)
  • 2D
  • 3D and 4D
• Bart Wronski Implementation of Solid Angle algorithm