1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
use cuneus::compute::*;
use cuneus::prelude::*;
cuneus::uniform_params! {
struct CliffordParams {
a: f32,
b: f32,
c: f32,
d: f32,
motion_speed: f32,
rotation_x: f32,
rotation_y: f32,
click_state: i32,
brightness: f32,
color1_r: f32,
color1_g: f32,
color1_b: f32,
color2_r: f32,
color2_g: f32,
color2_b: f32,
scale: f32,
dof_amount: f32,
dof_focal_dist: f32,
_pad_m: [f32; 2],
}
}
struct CliffordShader {
base: RenderKit,
compute_shader: ComputeShader,
current_params: CliffordParams}
impl CliffordShader {
fn clear_buffers(&mut self, core: &Core) {
self.compute_shader.clear_all_buffers(core);
}
}
impl ShaderManager for CliffordShader {
fn init(core: &Core) -> Self {
let base = RenderKit::new(core);
let initial_params = CliffordParams {
a: 1.7,
b: 1.7,
c: 0.6,
d: 1.2,
motion_speed: 1.0,
rotation_x: 0.0,
rotation_y: 0.0,
click_state: 0,
brightness: 0.00004,
color1_r: 0.0,
color1_g: 0.7,
color1_b: 1.0,
color2_r: 1.0,
color2_g: 0.3,
color2_b: 0.5,
scale: 0.6,
dof_amount: 1.0,
dof_focal_dist: 0.5,
_pad_m: [0.0; 2],
};
let mut config = ComputeShader::builder()
.with_entry_point("Splat")
.with_custom_uniforms::<CliffordParams>()
.with_atomic_buffer(2)
.with_workgroup_size([16, 16, 1])
.with_texture_format(COMPUTE_TEXTURE_FORMAT_RGBA16)
.with_label("Clifford Attractor Unified")
.build();
config.entry_points.push("main_image".to_string());
let compute_shader = cuneus::compute_shader!(core, "shaders/cliffordcompute.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 with custom dispatch pattern for cliffordcompute
self.compute_shader.handle_export_dispatch(
core,
&mut self.base,
|shader, encoder, core| {
shader.dispatch_stage_with_workgroups(encoder, 0, [2048, 1, 1]);
shader.dispatch_stage(encoder, core, 1);
},
);
}
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("Clifford Attractor")
.collapsible(true)
.resizable(true)
.default_width(250.0)
.show(ctx, |ui| {
egui::CollapsingHeader::new("Attractor Parameters")
.default_open(false)
.show(ui, |ui| {
changed |= ui
.add(
egui::Slider::new(&mut params.a, -3.0..=3.0)
.text("Parameter A"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.b, -3.0..=3.0)
.text("Parameter B"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.c, -3.0..=3.0)
.text("Parameter C"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.d, -3.0..=3.0)
.text("Parameter D"),
)
.changed();
ui.separator();
ui.label("Interesting presets:");
if ui.button("Classic (1.5, 1.5, 1.4, 1.4)").clicked() {
params.a = 1.5;
params.b = 1.5;
params.c = 1.4;
params.d = 1.4;
changed = true;
}
if ui.button("Chaotic (1.7, 1.7, 0.6, 1.2)").clicked() {
params.a = 1.7;
params.b = 1.7;
params.c = 0.6;
params.d = 1.2;
changed = true;
}
if ui.button("Symmetric (2.0, -2.0, 1.0, 0.5)").clicked() {
params.a = 2.0;
params.b = -2.0;
params.c = 1.0;
params.d = 0.5;
changed = true;
}
});
egui::CollapsingHeader::new("Visual Settings")
.default_open(false)
.show(ui, |ui| {
changed |= ui
.add(
egui::Slider::new(&mut params.motion_speed, 0.0..=3.0)
.text("Animation Speed"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.brightness, 0.00001..=0.0001)
.logarithmic(true)
.text("Brightness"),
)
.changed();
ui.separator();
ui.label("Camera Controls:");
changed |= ui
.add(
egui::Slider::new(&mut params.rotation_x, -1.0..=1.0)
.text("Rotation X"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.rotation_y, -1.0..=1.0)
.text("Rotation Y"),
)
.changed();
ui.separator();
changed |= ui
.add(
egui::Slider::new(&mut params.scale, 0.1..=2.0)
.text("Attractor Scale"),
)
.changed();
});
egui::CollapsingHeader::new("Depth of Field")
.default_open(false)
.show(ui, |ui| {
changed |= ui
.add(
egui::Slider::new(&mut params.dof_amount, 0.0..=3.0)
.text("DOF Amount"),
)
.changed();
changed |= ui
.add(
egui::Slider::new(&mut params.dof_focal_dist, 0.0..=1.0)
.text("Focal Distance"),
)
.changed();
params.click_state = 1;
});
egui::CollapsingHeader::new("Colors")
.default_open(false)
.show(ui, |ui| {
ui.horizontal(|ui| {
ui.label("Color 1:");
let mut color =
[params.color1_r, params.color1_g, params.color1_b];
if ui.color_edit_button_rgb(&mut color).changed() {
params.color1_r = color[0];
params.color1_g = color[1];
params.color1_b = color[2];
changed = true;
}
});
ui.horizontal(|ui| {
ui.label("Color 2:");
let mut color =
[params.color2_r, params.color2_g, params.color2_b];
if ui.color_edit_button_rgb(&mut color).changed() {
params.color2_r = color[0];
params.color2_g = color[1];
params.color2_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();
}
// Stage 0: Generate and splat particles (workgroup size [256, 1, 1])
self.compute_shader
.dispatch_stage_with_workgroups(&mut frame.encoder, 0, [2048, 1, 1]);
// Stage 1: Render to screen (workgroup size [16, 16, 1])
self.compute_shader.dispatch_stage(&mut frame.encoder, core, 1);
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("Clifford", 800, 600);
app.run(event_loop, CliffordShader::init)
}