From a2a48466aceb3791a9d95d145b7e637354dd7fb0 Mon Sep 17 00:00:00 2001 From: Daniel Gibson Date: Tue, 21 Jul 2020 18:06:18 +0200 Subject: [PATCH] README: mention that Carmack's Reverse is back --- README.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/README.md b/README.md index a35a7b54..7840013a 100644 --- a/README.md +++ b/README.md @@ -137,14 +137,14 @@ Then point CMake at your toolchain file: ## Back End Rendering of Stencil Shadows -The Doom 3 GPL source code release does not include functionality enabling rendering +The Doom 3 GPL source code release **did** not include functionality enabling rendering of stencil shadows via the "depth fail" method, a functionality commonly known as -"Carmack's Reverse". +"Carmack's Reverse". +It has been restored in dhewm3 1.5.1 after Creative Labs' [patent](https://patents.google.com/patent/US6384822B1/en) +finally expired. -***Note*** that this **does *not* change the visual appereance** of the game. -The shadows look the same, they're just created in a slightly different way. -In theory there might be a small performance impact, but on hardware less than -ten years old it shouldn't make a difference. +Note that this did not change the visual appereance of the game, and didn't seem to +make a noticeable performance difference (on halfway-recent hardware) either. ## MayaImport