prosperon/source/engine/texture.h
2024-09-29 06:10:42 -05:00

56 lines
1.3 KiB
C

#ifndef TEXTURE_H
#define TEXTURE_H
#include "sokol/sokol_gfx.h"
#include "HandmadeMath.h"
#include "render.h"
#include "sokol_app.h"
#include "sokol/util/sokol_imgui.h"
#define TEX_SPEC 0
#define TEX_NORM 1
#define TEX_HEIGHT 2
#define TEX_DIFF 3
#define FILTER_NEAREST SG_FILTER_NEAREST
#define FILTER_NONE SG_FILTER_NONE
#define FILTER_LINEAR SG_FILTER_LINEAR
extern struct rect ST_UNIT;
/* Represents an actual texture on the GPU */
struct texture {
sg_image id; /* ID reference for the GPU memory location of the texture */
simgui_image_t simgui;
int width;
int height;
unsigned char *data;
int frames;
int *delays;
int vram;
};
typedef struct texture texture;
typedef struct img_sampler{
int wrap_u;
int wrap_v;
int wrap_w;
int min_filter;
int mag_filter;
int mip_filter;
} img_sampler;
texture *texture_from_file(const char *path);
void texture_free(texture *tex);
struct texture *texture_fromdata(void *raw, long size);
texture *texture_empty(int width, int height, int n);
void texture_blit(texture *dest, texture *src, int x, int y, int w, int h);
void texture_flip(texture *tex, int y);
void texture_save(texture *tex, const char *file); // save the texture data to the given file
double perlin(double x, double y, double z);
#endif