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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* texture.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/05/11 14:27:34 by charles #+# #+# */
/* Updated: 2020/05/14 14:01:38 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "scop.h"
/* typedef struct __attribute__((__packed__)) */
/* { */
/* uint8_t signature[2]; */
/* uint32_t file_size; */
/* uint32_t reserved; */
/* uint32_t img_data_offset; */
/* } t_bmp_file_header; */
/* */
/* typedef struct __attribute__((__packed__)) */
/* { */
/* uint32_t header_size; */
/* uint32_t width; */
/* uint32_t height; */
/* uint16_t color_planes; */
/* uint16_t depth; */
/* uint32_t compression; */
/* uint32_t image_size; */
/* uint32_t horizontal_res; */
/* uint32_t vertical_res; */
/* uint32_t color_table_len; */
/* uint32_t color_count; */
/* } t_bmp_info_header; */
/* */
/* uint8_t *st_read_bmp(char *filepath, size_t *width, size_t *height) */
/* { */
/* uint8_t *data; */
/* t_bmp_file_header file_header; */
/* t_bmp_info_header info_header; */
/* int fd; */
/* */
/* fd = open(filepath, O_RDONLY); */
/* read(fd, &file_header, sizeof(t_bmp_file_header)); */
/* if (file_header.signature[0] != 'B' || file_header.signature[1] != 'M') */
/* { */
/* close(fd); */
/* return (NULL); */
/* } */
/* read(fd, &info_header, sizeof(t_bmp_info_header)); */
/* if ((data = malloc(info_header.image_size)) == NULL) */
/* { */
/* close(fd); */
/* return (NULL); */
/* } */
/* *width = info_header.width; */
/* *height = info_header.height; */
/* read(fd, data, info_header.image_size); // padding */
/* close(fd); */
/* return (data); */
/* } */
/* */
/* unsigned int texture_new(char *filepath) */
/* { */
/* uint8_t *data; */
/* unsigned int texture; */
/* size_t width; */
/* size_t height; */
/* */
/* if ((data = st_read_bmp(filepath, &width, &height)) == NULL) */
/* return (0); */
/* GL_CALL(glGenTextures(1, &texture)); */
/* GL_CALL(glBindTexture(GL_TEXTURE_2D, texture)); */
/* GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)); */
/* GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)); */
/* GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)); */
/* GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)); */
/* GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data)); */
/* free(data); */
/* return (texture); */
/* } */
/* */
/* float *texture_coord_create(float *vertices, size_t vertices_len) */
/* { */
/* t_ftmvec3 min; */
/* t_ftmvec3 max; */
/* float *coords; */
/* size_t i; */
/* */
/* if ((coords = malloc(sizeof(float) * (vertices_len * 2))) == NULL) */
/* return (NULL); */
/* st_find_boundary(vertices, vertices_len, &min, &max); */
/* i = 0; */
/* while (i < vertices_len) */
/* { */
/* coords[i * 2 + 0] = (vertices[i * 4 + 0] - min.x) * (1.0 / (max.x - min.x)); */
/* coords[i * 2 + 1] = (vertices[i * 4 + 1] - min.y) * (1.0 / (max.y - min.y)); */
/* i++; */
/* } */
/* return (coords); */
/* } */
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