Implement procedural audio generation, spectral effects, and WebGPU particle system

1 files changed, 41 insertions, 0 deletions

diff --git a/src/gpu/gpu.h b/src/gpu/gpu.h
index 00f5450..58b0307 100644
--- a/src/gpu/gpu.h
+++ b/src/gpu/gpu.h
@@ -3,8 +3,49 @@
 // Coordinates WebGPU lifecycle and draw calls.
 
 #pragma once
+
+#include <webgpu.h>
+
 struct GLFWwindow;
 
+// Basic wrapper for WebGPU buffers
+struct GpuBuffer {
+  WGPUBuffer buffer;
+  size_t size;
+};
+
+// Encapsulates a compute operation
+struct ComputePass {
+  WGPUComputePipeline pipeline;
+  WGPUBindGroup bind_group;
+  uint32_t workgroup_size_x;
+  uint32_t workgroup_size_y;
+  uint32_t workgroup_size_z;
+};
+
+// Encapsulates a render operation
+struct RenderPass {
+  WGPURenderPipeline pipeline;
+  WGPUBindGroup bind_group;
+  uint32_t vertex_count;
+  uint32_t instance_count;
+};
+
 void gpu_init(GLFWwindow *window);
 void gpu_draw(float audio_peak, float aspect_ratio, float time);
 void gpu_shutdown();
+
+// Helper functions (exposed for internal/future use)
+struct ResourceBinding {
+  GpuBuffer buffer;
+  WGPUBufferBindingType type; // e.g., WGPUBufferBindingType_Uniform,
+                              // WGPUBufferBindingType_Storage
+};
+
+GpuBuffer gpu_create_buffer(size_t size, WGPUBufferUsage usage,
+                            const void *data = nullptr);
+ComputePass gpu_create_compute_pass(const char *shader_code,
+                                    ResourceBinding *bindings,
+                                    int num_bindings);
+RenderPass gpu_create_render_pass(const char *shader_code,
+                                  ResourceBinding *bindings, int num_bindings);