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Add guards to enable transmission example to run under WebGL

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This commit is contained in:
Marco Buono 2023-06-19 22:17:46 -03:00
parent 5d75225dd0
commit 1ebe0f7f20
1 changed files with 19 additions and 11 deletions
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30
examples/3d/transmission.rs
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@ -18,16 +18,15 @@
use std::f32::consts::PI; use std::f32::consts::PI;
use bevy::{ use bevy::{
core_pipeline::{ core_pipeline::{bloom::BloomSettings, prepass::DepthPrepass, tonemapping::Tonemapping},
bloom::BloomSettings,
experimental::taa::{TemporalAntiAliasBundle, TemporalAntiAliasPlugin},
prepass::DepthPrepass,
tonemapping::Tonemapping,
},
pbr::{NotShadowCaster, NotTransmittedShadowReceiver, PointLightShadowMap}, pbr::{NotShadowCaster, NotTransmittedShadowReceiver, PointLightShadowMap},
prelude::*, prelude::*,
render::view::ColorGrading, render::view::ColorGrading,
}; };
#[cfg(any(not(feature = "webgl2"), not(target_arch = "wasm32")))]
use bevy::core_pipeline::experimental::taa::{TemporalAntiAliasBundle, TemporalAntiAliasPlugin};
use rand::random; use rand::random;
fn main() { fn main() {
@ -39,13 +38,16 @@ fn main() {
brightness: 0.0, brightness: 0.0,
..default() ..default()
}) })
// *Note:* TAA is not _required_ for specular transmission, but
// it _greatly enhances_ the look of the resulting blur effects
.insert_resource(Msaa::Off)
.add_plugin(TemporalAntiAliasPlugin)
.add_systems(Startup, setup) .add_systems(Startup, setup)
.add_systems(Update, (example_control_system, flicker_system)); .add_systems(Update, (example_control_system, flicker_system));
// *Note:* TAA is not _required_ for specular transmission, but
// it _greatly enhances_ the look of the resulting blur effects.
// Sadly, it's not available under WebGL.
#[cfg(any(not(feature = "webgl2"), not(target_arch = "wasm32")))]
app.insert_resource(Msaa::Off)
.add_plugin(TemporalAntiAliasPlugin);
app.run(); app.run();
} }
@ -347,6 +349,7 @@ fn setup(
tonemapping: Tonemapping::TonyMcMapface, tonemapping: Tonemapping::TonyMcMapface,
..default() ..default()
}, },
#[cfg(any(not(feature = "webgl2"), not(target_arch = "wasm32")))]
TemporalAntiAliasBundle::default(), TemporalAntiAliasBundle::default(),
EnvironmentMapLight { EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"), diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
@ -498,6 +501,7 @@ fn example_control_system(
camera.hdr = !camera.hdr; camera.hdr = !camera.hdr;
} }
#[cfg(any(not(feature = "webgl2"), not(target_arch = "wasm32")))]
if input.just_pressed(KeyCode::D) { if input.just_pressed(KeyCode::D) {
if depth_prepass.is_none() { if depth_prepass.is_none() {
commands.entity(camera_entity).insert(DepthPrepass); commands.entity(camera_entity).insert(DepthPrepass);
@ -531,7 +535,11 @@ fn example_control_system(
display.sections[0].value = format!( display.sections[0].value = format!(
"HDR: {}\nDepth Prepass+TAA: {}\nDiffuse Transmission: {:.2}\nTransmission: {:.2}\nThickness: {:.2}\nIOR: {:.2}\nPerceptual Roughness: {:.2}\nTransmissive Steps: {}", "HDR: {}\nDepth Prepass+TAA: {}\nDiffuse Transmission: {:.2}\nTransmission: {:.2}\nThickness: {:.2}\nIOR: {:.2}\nPerceptual Roughness: {:.2}\nTransmissive Steps: {}",
if camera.hdr { "ON " } else { "OFF" }, if camera.hdr { "ON " } else { "OFF" },
if depth_prepass.is_some() { "ON " } else { "OFF" }, if cfg!(any(not(feature = "webgl2"), not(target_arch = "wasm32"))) {
if depth_prepass.is_some() { "ON " } else { "OFF" }
} else {
"N/A"
},
state.diffuse_transmission, state.diffuse_transmission,
state.transmission, state.transmission,
state.thickness, state.thickness,