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Switch to using an experimental shader option to toggle shaderc optimizations

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This commit is contained in:
Imbris 2024-02-14 16:30:08 -05:00
parent 5434ce546b
commit ab24cf3732
2 changed files with 9 additions and 17 deletions
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2
voxygen/src/render/mod.rs
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@ -563,4 +563,6 @@ pub enum ExperimentalShader {
Cinematic,
/// Glittering snow.
SnowGlitter,
/// Disables any optimizations done via shaderc.
DisableShadercOptimization,
}

24
voxygen/src/render/renderer/pipeline_creation.rs
View File

@ -6,8 +6,8 @@ use super::{
blit, bloom, clouds, debug, figure, fluid, lod_object, lod_terrain, particle,
postprocess, rope, shadow, skybox, sprite, terrain, trail, ui,
},
AaMode, BloomMode, CloudMode, FluidMode, LightingMode, PipelineModes, ReflectionMode,
RenderError, ShadowMode,
AaMode, BloomMode, CloudMode, ExperimentalShader, FluidMode, LightingMode, PipelineModes,
ReflectionMode, RenderError, ShadowMode,
},
shaders::Shaders,
ImmutableLayouts, Layouts,
@ -283,25 +283,15 @@ impl ShaderModules {
let mut compiler = Compiler::new().ok_or(RenderError::ErrorInitializingCompiler)?;
let mut options = CompileOptions::new().ok_or(RenderError::ErrorInitializingCompiler)?;
use std::sync::OnceLock;
static OPTS: OnceLock<bool> = OnceLock::new();
let shaderc_opts = *OPTS.get_or_init(|| {
match std::env::var("VOXYGEN_SHADERC_OPTS").as_ref().map(|s| &**s) {
Ok("0" | "no") => {
info!("Disabled optimization by shaderc.");
false
},
Ok("1" | "yes") | Ok(_) | Err(_) => {
info!("Enabled optimization by shaderc.");
true
},
}
});
let shaderc_opts = !pipeline_modes
.experimental_shaders
.contains(&ExperimentalShader::DisableShadercOptimization);
if shaderc_opts {
options.set_optimization_level(OptimizationLevel::Performance);
info!("Enabled optimization by shaderc.");
} else {
options.set_optimization_level(OptimizationLevel::Zero);
info!("Disabled optimization by shaderc.");
}
options.set_forced_version_profile(430, shaderc::GlslProfile::Core);
// options.set_generate_debug_info();