#pragma once
#include <d3d11.h>
#include <stdint.h>

#define GLYPH_CELL_W 32
#define GLYPH_CELL_H 32
#define GLYPH_ATLAS_COLS 16
#define GLYPH_ATLAS_ROWS 16
#define GLYPH_ATLAS_SIZE (GLYPH_ATLAS_COLS * GLYPH_CELL_W)

typedef struct {
    ID3D11Texture2D* texture;
    ID3D11ShaderResourceView* srv;
    int atlas_w;
    int atlas_h;
    int next_x;
    int next_y;
    int cell_w;
    int cell_h;
    float u_scale;
    float v_scale;
} GlyphAtlas;

int glyph_atlas_init(GlyphAtlas* ga, ID3D11Device* dev);
void glyph_atlas_destroy(GlyphAtlas* ga);
int glyph_atlas_get_or_create(GlyphAtlas* ga, ID3D11Device* dev, ID3D11DeviceContext* ctx, wchar_t ch,
                               float* u0, float* v0, float* u1, float* v1,
                               float* advance_x, float* advance_y);