diwide's Introduction

DIWide

Features

perspective-correct vertex attribute interpolation
correct near-plane clipping
viewport and backface culling
fully gamma-correct pipeline
bilinear texture filtering
diffuse, normal, and roughness textures
high-resolution shadow mapping
simplified physically-based lighting model
post-processing bit-depth reduction
built-in custom GIF exporter

How to build

macOS: First install GCC 8.x and alias it to gcc-8. This alias will be created automatically if you install GCC via Homebrew (brew install gcc). SDL2 must also be installed (brew install sdl2). After that, run mac-build.sh.
Windows: Visual Studio command line tools must be installed. If you don't have Visual Studio installed already, you can get an installer for the standalone build tools here. After that, run win-build.bat from the 64-bit developer command prompt.
Advanced build (macOS only for now): In addition to GCC and SDL2, you will need to install ninja (brew install ninja). First, build bob via bob/buid.sh. This only needs to happen once. Then, run build.sh in the root of the repository for subsequent builds.

Currently, only x86-64 CPUs are supported. GCC is used instead of clang on macOS because it produces slightly (around 10-20%) faster code than clang. Right now the renderer runs significantly (around 2x) slower on Windows, because MSVC does a poorer job of optimizing our particular code. I'll add an option for building with GCC on Windows soon. I will also try to get the advanced build working on Windows.