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Load only gl 3.3 functions

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This commit makes 'gl::load_with' only load
symbols from the minimal OpenGL (3.3) version alacritty
aims to support. Doing so reduces the size of gl_bindings.rs
from 21K LoC to 11K LoC, and also the actual
loading by up to ~2x, thugh the loading is usually sub millisecond
anyway.
This commit is contained in:
Kirill Chibisov 2020-11-14 21:48:24 +03:00 committed by GitHub
parent 9531e661b1
commit 198d3cb78d
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
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3
alacritty/build.rs
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@ -1,3 +1,4 @@
use std::collections::HashSet;
use std::env; use std::env;
use std::fs::File; use std::fs::File;
use std::path::Path; use std::path::Path;
@ -11,7 +12,7 @@ fn main() {
let dest = env::var("OUT_DIR").unwrap(); let dest = env::var("OUT_DIR").unwrap();
let mut file = File::create(&Path::new(&dest).join("gl_bindings.rs")).unwrap(); let mut file = File::create(&Path::new(&dest).join("gl_bindings.rs")).unwrap();
Registry::new(Api::Gl, (4, 5), Profile::Core, Fallbacks::All, ["GL_ARB_blend_func_extended"]) Registry::new(Api::Gl, (3, 3), Profile::Core, Fallbacks::All, ["GL_ARB_blend_func_extended"])
.write_bindings(GlobalGenerator, &mut file) .write_bindings(GlobalGenerator, &mut file)
.unwrap(); .unwrap();