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
|
// This file is part of the 64k demo project.
// It declares the concrete effects used in the demo.
#pragma once
#include "3d/camera.h"
#include "3d/renderer.h"
#include "3d/scene.h"
#include "effect.h"
#include "gpu/effects/flash_effect.h" // FlashEffect with params support
#include "gpu/effects/post_process_helper.h"
#include "gpu/effects/shaders.h"
#include "gpu/gpu.h"
#include "gpu/texture_manager.h"
#include "gpu/uniform_helper.h"
#include <memory>
static const int NUM_PARTICLES = 10000;
struct Particle {
float pos[4];
float vel[4];
float rot[4];
float color[4];
};
class HeptagonEffect : public Effect {
public:
HeptagonEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
RenderPass pass_;
};
class ParticlesEffect : public Effect {
public:
ParticlesEffect(const GpuContext& ctx);
void compute(WGPUCommandEncoder encoder, float time, float beat,
float intensity, float aspect_ratio) override;
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
ComputePass compute_pass_;
RenderPass render_pass_;
GpuBuffer particles_buffer_;
};
class PassthroughEffect : public PostProcessEffect {
public:
PassthroughEffect(const GpuContext& ctx);
void update_bind_group(WGPUTextureView input_view) override;
};
class MovingEllipseEffect : public Effect {
public:
MovingEllipseEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
RenderPass pass_;
};
class ParticleSprayEffect : public Effect {
public:
ParticleSprayEffect(const GpuContext& ctx);
void compute(WGPUCommandEncoder encoder, float time, float beat,
float intensity, float aspect_ratio) override;
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
ComputePass compute_pass_;
RenderPass render_pass_;
GpuBuffer particles_buffer_;
};
// Parameters for GaussianBlurEffect (set at construction time)
struct GaussianBlurParams {
float strength = 2.0f; // Default: 2.0 pixel blur radius
};
// Uniform data sent to GPU shader
struct GaussianBlurUniforms {
float time; // offset 0
float beat; // offset 4
float intensity; // offset 8
float aspect_ratio; // offset 12
float width; // offset 16
float height; // offset 20
float strength; // offset 24
float _pad; // offset 28
};
static_assert(sizeof(GaussianBlurUniforms) == 32,
"GaussianBlurUniforms must be 32 bytes for WGSL alignment");
class GaussianBlurEffect : public PostProcessEffect {
public:
// Backward compatibility constructor (uses default params)
GaussianBlurEffect(const GpuContext& ctx);
// New parameterized constructor
GaussianBlurEffect(const GpuContext& ctx, const GaussianBlurParams& params);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
private:
GaussianBlurParams params_;
UniformBuffer<GaussianBlurUniforms> uniforms_;
};
class SolarizeEffect : public PostProcessEffect {
public:
SolarizeEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
};
class DistortEffect : public PostProcessEffect {
public:
DistortEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
};
// Parameters for ChromaAberrationEffect (set at construction time)
struct ChromaAberrationParams {
float offset_scale = 0.02f; // Default: 2% screen offset
float angle = 0.0f; // Default: horizontal (0 radians)
};
// Uniform data sent to GPU shader
struct ChromaUniforms {
float time; // offset 0
float beat; // offset 4
float intensity; // offset 8
float aspect_ratio; // offset 12
float width; // offset 16
float height; // offset 20
float offset_scale; // offset 24
float angle; // offset 28
};
static_assert(sizeof(ChromaUniforms) == 32,
"ChromaUniforms must be 32 bytes for WGSL alignment");
class ChromaAberrationEffect : public PostProcessEffect {
public:
// Backward compatibility constructor (uses default params)
ChromaAberrationEffect(const GpuContext& ctx);
// New parameterized constructor
ChromaAberrationEffect(const GpuContext& ctx,
const ChromaAberrationParams& params);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
private:
ChromaAberrationParams params_;
UniformBuffer<ChromaUniforms> uniforms_;
};
class Hybrid3DEffect : public Effect {
public:
Hybrid3DEffect(const GpuContext& ctx);
void init(MainSequence* demo) override;
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
Renderer3D renderer_;
TextureManager texture_manager_;
Scene scene_;
Camera camera_;
int width_ = 1280;
int height_ = 720;
};
class FlashCubeEffect : public Effect {
public:
FlashCubeEffect(const GpuContext& ctx);
void init(MainSequence* demo) override;
void resize(int width, int height) override;
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
private:
Renderer3D renderer_;
TextureManager texture_manager_;
Scene scene_;
Camera camera_;
int width_ = 1280;
int height_ = 720;
float last_beat_;
float flash_intensity_;
};
class ThemeModulationEffect : public PostProcessEffect {
public:
ThemeModulationEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
};
class FadeEffect : public PostProcessEffect {
public:
FadeEffect(const GpuContext& ctx);
void render(WGPURenderPassEncoder pass, float time, float beat,
float intensity, float aspect_ratio) override;
void update_bind_group(WGPUTextureView input_view) override;
};
// FlashEffect now defined in gpu/effects/flash_effect.h (included above)
// Auto-generated functions
void LoadTimeline(MainSequence& main_seq, const GpuContext& ctx);
float GetDemoDuration(); // Returns demo end time in seconds, or -1 if not
// specified
|
