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