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Bug 1419939 - Add an env var to precache shaders. r=kvark

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I made the variable name up, since I didn't see another similar thing.
Let me know if I should change it.

Differential Revision: https://phabricator.services.mozilla.com/D4239

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Emilio Cobos Álvarez 2018-08-24 16:54:18 +00:00
parent cd457cfc82
commit a86422ddfc
1 changed files with 6 additions and 2 deletions
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8
gfx/webrender_bindings/src/bindings.rs
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@ -1,7 +1,6 @@
use std::ffi::{CStr, CString};
use std::{mem, slice};
use std::{mem, slice, ptr, env};
use std::path::PathBuf;
use std::ptr;
use std::rc::Rc;
use std::sync::Arc;
use std::os::raw::{c_void, c_char, c_float};
@ -884,6 +883,10 @@ pub extern "C" fn wr_renderer_update_program_cache(renderer: &mut Renderer, prog
renderer.update_program_cache(program_cache);
}
fn env_var_to_bool(key: &'static str) -> bool {
env::var(key).ok().map_or(false, |v| v.parse::<usize>().unwrap_or(1) != 0)
}
// Call MakeCurrent before this.
#[no_mangle]
pub extern "C" fn wr_window_new(window_id: WrWindowId,
@ -951,6 +954,7 @@ pub extern "C" fn wr_window_new(window_id: WrWindowId,
sampler: Some(Box::new(SamplerCallback::new(window_id))),
max_texture_size: Some(8192), // Moz2D doesn't like textures bigger than this
clear_color: Some(ColorF::new(0.0, 0.0, 0.0, 0.0)),
precache_shaders: env_var_to_bool("MOZ_WR_PRECACHE_SHADERS"),
..Default::default()
};