ifd::FileDialog::Instance().CreateTexture = [](uint8_t* data, int w, int h, char fmt) -> void* {
	GLuint tex;
	glGenTextures(1, &tex);
	glBindTexture(GL_TEXTURE_2D, tex);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, (fmt == 0) ? GL_BGRA : GL_RGBA, GL_UNSIGNED_BYTE, data);
	glGenerateMipmap(GL_TEXTURE_2D);
	glBindTexture(GL_TEXTURE_2D, 0);
	return (void*)tex;
};
ifd::FileDialog::Instance().DeleteTexture = [](void* tex) {
	GLuint texID = (GLuint)tex;
	glDeleteTextures(1, &texID);
};

if (ImGui::Button("Open a texture"))
	ifd::FileDialog::Instance().Open("TextureOpenDialog", "Open a texture", "Image file (*.png;*.jpg;*.jpeg;*.bmp;*.tga){.png,.jpg,.jpeg,.bmp,.tga},.*");

if (ifd::FileDialog::Instance().IsDone("TextureOpenDialog")) {
	if (ifd::FileDialog::Instance().HasResult()) {
		std::string res = ifd::FileDialog::Instance().GetResult().u8string();
		printf("OPEN[%s]\n", res.c_str());
	}
	ifd::FileDialog::Instance().Close();
}