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use cuneus::compute::*;
use cuneus::prelude::*;
cuneus::uniform_params! {
struct SinhParams {
aa: i32,
camera_x: f32,
camera_y: f32,
camera_z: f32,
orbit_speed: f32,
magic_number: f32,
cv_min: f32,
cv_max: f32,
os_base: f32,
os_scale: f32,
base_color_r: f32,
base_color_g: f32,
base_color_b: f32,
light_color_r: f32,
light_color_g: f32,
light_color_b: f32,
ambient_r: f32,
ambient_g: f32,
ambient_b: f32,
gamma: f32,
iterations: i32,
bound: f32,
fractal_scale: f32,
vignette_offset: f32}
}
struct SinhShader {
base: RenderKit,
compute_shader: ComputeShader,
current_params: SinhParams}
impl SinhShader {
fn clear_buffers(&mut self, core: &Core) {
self.compute_shader.clear_all_buffers(core);
}
}
impl ShaderManager for SinhShader {
fn init(core: &Core) -> Self {
// Create texture bind group layout for displaying compute shader output
let base = RenderKit::new(core);
let initial_params = SinhParams {
aa: 2,
camera_x: 0.1,
camera_y: 10.0,
camera_z: 10.0,
orbit_speed: 0.3,
magic_number: 36.0,
cv_min: 2.197,
cv_max: 2.99225,
os_base: 0.00004,
os_scale: 0.02040101,
base_color_r: 0.5,
base_color_g: 0.25,
base_color_b: 0.05,
light_color_r: 0.8,
light_color_g: 1.0,
light_color_b: 0.3,
ambient_r: 1.2,
ambient_g: 1.0,
ambient_b: 0.8,
gamma: 0.4,
iterations: 65,
bound: 12.25,
fractal_scale: 0.05,
vignette_offset: 0.0};
let config = ComputeShader::builder()
.with_entry_point("main")
.with_custom_uniforms::<SinhParams>()
.with_workgroup_size([16, 16, 1])
.with_texture_format(COMPUTE_TEXTURE_FORMAT_RGBA16)
.with_label("Sinh Unified")
.build();
let compute_shader = cuneus::compute_shader!(core, "shaders/sinh.wgsl", config);
compute_shader.set_custom_params(initial_params, &core.queue);
Self {
base,
compute_shader,
current_params: initial_params}
}
fn update(&mut self, core: &Core) {
// Handle export
self.compute_shader.handle_export(core, &mut self.base);
}
fn resize(&mut self, core: &Core) {
self.base.default_resize(core, &mut self.compute_shader);
}
fn render(&mut self, core: &Core) -> Result<(), cuneus::SurfaceError> {
let mut frame = self.base.begin_frame(core)?;
let mut params = self.current_params;
let mut changed = false;
let mut should_start_export = false;
let mut export_request = self.base.export_manager.get_ui_request();
let mut controls_request = self
.base
.controls
.get_ui_request(&self.base.start_time, &core.size, self.base.fps_tracker.fps());
let full_output = if self.base.key_handler.show_ui {
self.base.render_ui(core, |ctx| {
RenderKit::apply_default_style(ctx);
egui::Window::new("Sinh")
.collapsible(true)
.resizable(true)
.default_width(280.0)
.show(ctx, |ui| {
egui::CollapsingHeader::new("Rendering")
.default_open(true)
.show(ui, |ui| {
changed |= ui
.add(egui::Slider::new(&mut params.aa, 1..=4).text("AA"))
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.gamma, 0.2..=1.1)
.text("Gamma"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.vignette_offset, 0.0..=1.0)
.text("Vignette"),
)
.changed();
});
egui::CollapsingHeader::new("Camera")
.default_open(false)
.show(ui, |ui| {
changed |= ui
.add(
egui::Slider::new(&mut params.camera_x, -1.0..=1.0)
.text("X"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.camera_y, 5.0..=20.0)
.text("Y"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.camera_z, 5.0..=20.0)
.text("Z"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.orbit_speed, 0.0..=1.0)
.text("speed"),
)
.changed();
});
egui::CollapsingHeader::new("Fractal")
.default_open(false)
.show(ui, |ui| {
changed |= ui
.add(
egui::Slider::new(&mut params.iterations, 10..=100)
.text("Iterations"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.bound, 1.0..=25.0)
.text("Bound"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.magic_number, 1.0..=100.0)
.text("Magic Number"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.cv_min, 1.0..=3.0)
.text("CV Min"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.cv_max, 2.0..=4.0)
.text("CV Max"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.os_base, 0.00001..=0.001)
.logarithmic(true)
.text("OS Base"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.os_scale, 0.001..=0.1)
.text("OS Scale"),
)
.changed();
ui.separator();
changed |= ui
.add(
egui::Slider::new(&mut params.fractal_scale, 0.01..=1.0)
.text("Fractal Scale"),
)
.changed();
});
egui::CollapsingHeader::new("Colors")
.default_open(false)
.show(ui, |ui| {
ui.horizontal(|ui| {
ui.label("Base Color:");
let mut color = [
params.base_color_r,
params.base_color_g,
params.base_color_b,
];
if ui.color_edit_button_rgb(&mut color).changed() {
params.base_color_r = color[0];
params.base_color_g = color[1];
params.base_color_b = color[2];
changed = true;
}
});
ui.horizontal(|ui| {
ui.label("Light Color:");
let mut color = [
params.light_color_r,
params.light_color_g,
params.light_color_b,
];
if ui.color_edit_button_rgb(&mut color).changed() {
params.light_color_r = color[0];
params.light_color_g = color[1];
params.light_color_b = color[2];
changed = true;
}
});
ui.horizontal(|ui| {
ui.label("Ambient Color:");
let mut color =
[params.ambient_r, params.ambient_g, params.ambient_b];
if ui.color_edit_button_rgb(&mut color).changed() {
params.ambient_r = color[0];
params.ambient_g = color[1];
params.ambient_b = color[2];
changed = true;
}
});
});
ui.separator();
ShaderControls::render_controls_widget(ui, &mut controls_request);
ui.separator();
should_start_export =
ExportManager::render_export_ui_widget(ui, &mut export_request);
});
})
} else {
self.base.render_ui(core, |_ctx| {})
};
self.base.export_manager.apply_ui_request(export_request);
if controls_request.should_clear_buffers {
self.clear_buffers(core);
}
self.base.apply_control_request(controls_request);
let current_time = self.base.controls.get_time(&self.base.start_time);
let delta = 1.0 / 60.0;
self.compute_shader
.set_time(current_time, delta, &core.queue);
if changed {
self.current_params = params;
self.compute_shader.set_custom_params(params, &core.queue);
}
if should_start_export {
self.base.export_manager.start_export();
}
self.compute_shader.dispatch(&mut frame.encoder, core);
self.base.renderer.render_to_view(&mut frame.encoder, &frame.view, &self.compute_shader.get_output_texture().bind_group);
self.base.end_frame(core, frame, full_output);
Ok(())
}
fn handle_input(&mut self, core: &Core, event: &WindowEvent) -> bool {
self.base.default_handle_input(core, event)
}
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
env_logger::init();
let (app, event_loop) = cuneus::ShaderApp::new("Sinh 3D", 800, 300);
app.run(event_loop, SinhShader::init)
}