simple tile texture

sample.cpp

	uint8_t mytex[3*256*256];

	for (int i = 0; i < 256; i++) {
		for (int j = 0; j < 256; j++) {
			bool flagA = (i % 32) < 16;
			bool flagB = (j % 32) < 16;

			if (flagA ^ flagB) {
				mytex[3*(i+256*j)+0] = 32;
				mytex[3*(i+256*j)+1] = 33;
				mytex[3*(i+256*j)+2] = 34;
			} else {
				mytex[3*(i+256*j)+0] = 230;
				mytex[3*(i+256*j)+1] = 169;
				mytex[3*(i+256*j)+2] = 58;
			}
		}
	}

	GLuint textureID;
	glGenTextures(1, &textureID);
	glBindTexture(GL_TEXTURE_2D, textureID);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 256, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, mytex);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);