bool RenderState::textureUnit(GLuint unit) {
if (!m_textureUnit.set || m_textureUnit.unit != unit) {
m_textureUnit = { unit, true };
// Our cached texture handle is irrelevant on the new unit, so unset it.
m_texture.set = false;
GL::activeTexture(getTextureUnit(unit));
return false;
}
return true;
}
void activeTextureUnit(GLuint _unit) { glActiveTexture(getTextureUnit(_unit)); }
virtual inline void bind(GLuint program) override
{
_value->bind(_textureUnit);
setUniform(program, getLocation(), static_cast<GLint>(getTextureUnit()));
}
virtual Uniform<Texture>* clone() const override
{
return new Uniform<Texture>(getName(), getLocation(), getTextureUnit(), getValue());
}