#include "main.h"
#include <GL/glew.h>

#define TYPE GL_TEXTURE_2D_ARRAY

id_t config_texture( unsigned short type )
{
	id_t texture;

	glGenTextures( 1, &texture );
	glBindTexture( TYPE, texture );

	{
		glTexParameteri( TYPE, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
		glTexParameteri( TYPE, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
	}

	return texture;
}

void use_texture( id_t texture )
{
	return glBindTexture( TYPE, texture );
}

void destroy_texture( unsigned int texture )
{
	return glDeleteTextures( 1, &texture );
}

id_t create_palette_texture( const unsigned char * colors )
{
	id_t texture = config_texture( TYPE );
	glTexImage3D( TYPE, 0, GL_RGBA,
		1, 1, (*colors)/4, 0, GL_RGBA, GL_UNSIGNED_BYTE, colors+1);
	return texture;
}