gistfile1.c

#include "gfx.h"

#include <stdlib.h>
#include <stdio.h>

static void _compile_shader(GLuint shader, const char *filename)
{
    char *file_contents, log[512];
    long input_file_size;
    FILE *input_file;
    GLint status;

    input_file = fopen(filename, "rb");
    fseek(input_file, 0, SEEK_END);
    input_file_size = ftell(input_file);
    rewind(input_file);
    file_contents = malloc((input_file_size + 1) * (sizeof(char)));
    fread(file_contents, sizeof(char), input_file_size, input_file);
    fclose(input_file);
    file_contents[input_file_size] = '\0';

    printf("text: compiling shader '%s' ...", filename);

    glShaderSource(shader, 1, (const GLchar **) &file_contents, NULL);
    glCompileShader(shader);

    free(file_contents);

    /* log */
    glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
    printf(status ? " successful\n" : " unsuccessful\n");
    glGetShaderInfoLog(shader, 512, NULL, log);
    printf("%s", log);
}

GLuint gfx_create_program(const char *vert_path,
                              const char *geom_path,
                              const char *frag_path)
{
    GLuint vert, geom, frag;
}