1#ifndef ALBA_H
 2#define ALBA_H
 3
 4#include "GLFW/glfw3.h"
 5#include "webgpu.h"
 6
 7// Dynamic arrays
 8typedef struct
 9{
10    uint64_t length;
11    uint64_t capacity;
12    float* data;
13} FloatArray;
14
15void float_array_reserve(FloatArray* array, uint64_t capacity);
16void float_array_append(FloatArray* array, float value);
17void float_array_release(const FloatArray* array);
18void float_array_clear(FloatArray* array);
19
20typedef struct
21{
22    uint64_t length;
23    uint64_t capacity;
24    uint32_t* data;
25} Uint32Array;
26
27void uint32_array_reserve(Uint32Array* array, uint64_t capacity);
28void uint32_array_append(Uint32Array* array, uint32_t value);
29void uint32_array_release(const Uint32Array* array);
30void uint32_array_clear(Uint32Array* array);
31
32// Misc
33typedef struct
34{
35    double r;
36    double g;
37    double b;
38    double a;
39} AlbaColor;
40
41// Window
42typedef struct
43{
44    char* title;
45    uint32_t initial_width;
46    uint32_t initial_height;
47    AlbaColor clear_color;
48} AlbaWindowOptions;
49
50typedef struct
51{
52    AlbaWindowOptions options;
53    GLFWwindow* glfw_window;
54    WGPUInstance instance;
55    WGPUSurface surface;
56    WGPUAdapter adapter;
57    WGPUDevice device;
58    WGPUQueue queue;
59    WGPUShaderModule shaders;
60    WGPURenderPipeline pipeline;
61    // Drawing
62    int dirty; // if set, the next frame will update the buffers
63    FloatArray new_vertices;
64    WGPUBuffer vertices;
65    FloatArray new_attributes;
66    WGPUBuffer attributes;
67    Uint32Array new_indices;
68    WGPUBuffer indices;
69} AlbaWindow;
70
71AlbaWindow* create_window(const AlbaWindowOptions* options);
72uint32_t window_should_close(const AlbaWindow* window);
73void window_render(AlbaWindow* window);
74void window_release(AlbaWindow* window);
75
76void draw_triangles(AlbaWindow* window, uint64_t num_vertices, const float* vertices);
77
78#endif // ALBA_H