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#ifndef MANDEL_H
# define MANDEL_H
# include <stdio.h>
# include <stdlib.h>
# include <stdbool.h>
# include <math.h>
# include <GL/glew.h>
# include <SDL2/SDL.h>
# include <assert.h>
#define SDL_CALL(x) do { \
SDL_ClearError(); \
x; \
error_check_sdl(#x, __FILE__, __LINE__); \
} while (0)
# define GL_CALL(x) do { \
error_clear_gl(); \
x; \
error_check_gl(#x, __FILE__, __LINE__); \
} while (0)
typedef union
{
uint32_t data;
struct
{
uint8_t b;
uint8_t g;
uint8_t r;
};
} Color;
typedef struct
{
uint8_t h;
uint8_t s;
uint8_t l;
} ColorHSL;
typedef struct
{
double x;
double y;
} Point;
typedef struct
{
unsigned int id;
struct
{
int width;
int height;
float real_start;
float real_end;
float imag_start;
float imag_end;
int iterations;
} location;
} Shader;
typedef struct
{
SDL_Window *window;
SDL_GLContext context;
bool running;
int width;
int height;
unsigned int vertex_buf;
unsigned int vertex_array;
unsigned int texture;
Shader shader;
// Color *palette;
double real_start;
double real_end;
double imag_start;
double imag_end;
int iterations;
} State;
// mandelbrot.c
int mandelbrot(double ca, double cb, int iterations);
// state.c
bool state_init(State *state);
void state_quit(State *state);
void state_run(State *state);
// event.c
void event_handle(State *state);
// error.c
void error_check_sdl(const char *code, const char *filename, int line_num);
void error_clear_gl(void);
void error_check_gl(const char *code, const char *filename, int line_num);
// color.c
Color *color_palette_new(Color *palette, int iterations);
// shader.c
bool shader_init(Shader *shader);
void shader_set_uniforms(Shader *shader, State *state);
#endif
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