h3r2tic

// Copyright (c) 2023 Tomasz Stachowiak
//
// This contribution is dual licensed under EITHER OF
// 
//     Apache License, Version 2.0, (http://www.apache.org/licenses/LICENSE-2.0)
//     MIT license (http://opensource.org/licenses/MIT)
// 
// at your option.

#include "/inc/frame_constants.hlsl"

bgolus

Shader "WorldNormalFromDepthTexture"
{
    Properties {
        [KeywordEnum(3 Tap, 4 Tap, Improved, Accurate)] _ReconstructionMethod ("Normal Reconstruction Method", Float) = 0
    }

    SubShader
    {
        Tags { "RenderType"="Transparent" "Queue"="Transparent" }
        LOD 100

silvesthu

GPU Optimization for GameDev

Graphics Pipeline / GPU Architecture Overview

• 2011 - A trip through the Graphics Pipeline 2011
• 2015 - Life of a triangle - NVIDIA's logical pipeline
• 2015 - Render Hell 2.0
• 2016 - How bad are small triangles on GPU and why?
• 2017 - GPU Performance for Game Artists
• 2019 - Understanding the anatomy of GPUs using Pokémon
• 2020 - GPU ARCHITECTURE RESOURCES

kripken

int doubler(int x) {
  return 2 * x;
}

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

TheRealMJP

// The following code is licensed under the MIT license: https://gist.github.com/TheRealMJP/bc503b0b87b643d3505d41eab8b332ae

// Samples a texture with Catmull-Rom filtering, using 9 texture fetches instead of 16.
// See http://vec3.ca/bicubic-filtering-in-fewer-taps/ for more details
float4 SampleTextureCatmullRom(in Texture2D<float4> tex, in SamplerState linearSampler, in float2 uv, in float2 texSize)
{
    // We're going to sample a a 4x4 grid of texels surrounding the target UV coordinate. We'll do this by rounding
    // down the sample location to get the exact center of our "starting" texel. The starting texel will be at
    // location [1, 1] in the grid, where [0, 0] is the top left corner.
    float2 samplePos = uv * texSize;

dwilliamson

#include <windows.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <gl/gl.h>


#pragma comment(lib, "opengl32.lib")

vurtun

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <string.h>
#define streq(a, b) (!strcmp((a), (b)))

#ifndef __USE_GNU
#define __USE_GNU

francogonzaga

" lucius-vifm
" Color scheme for vifm (http://vifm.sourceforge.net/) 

" Save this file as ~/.vifm/colors/lucius-vifm
" In your ~/.vifm/vifmrc, make sure you have the following line:
"    color lucius-vifm
"
" This color scheme is loosely based on the lucius color scheme for vim

highlight Win cterm=none ctermfg=250 ctermbg=236

rygorous

// float->half variants.
// by Fabian "ryg" Giesen.
//
// I hereby place this code in the public domain, as per the terms of the
// CC0 license:
//
//   https://creativecommons.org/publicdomain/zero/1.0/
//
// float_to_half_full: This is basically the ISPC stdlib code, except
// I preserve the sign of NaNs (any good reason not to?)