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use blending::{Equation, Factor};
use depth_test::DepthTest;
use face_culling::FaceCulling;
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct RenderState {
pub(crate) blending: Option<(Equation, Factor, Factor)>,
pub(crate) depth_test: DepthTest,
pub(crate) face_culling: Option<FaceCulling>
}
impl RenderState {
pub fn set_blending<B>(self, blending: B) -> Self where B: Into<Option<(Equation, Factor, Factor)>> {
RenderState {
blending: blending.into(),
.. self
}
}
pub fn blending(&self) -> Option<(Equation, Factor, Factor)> {
self.blending
}
pub fn set_depth_test(self, depth_test: DepthTest) -> Self {
RenderState {
depth_test,
.. self
}
}
pub fn depth_test(&self) -> DepthTest {
self.depth_test
}
pub fn set_face_culling<FC>(self, face_culling: FC) -> Self where FC: Into<Option<FaceCulling>> {
RenderState {
face_culling: face_culling.into(),
.. self
}
}
pub fn face_culling(&self) -> Option<FaceCulling> {
self.face_culling
}
}
impl Default for RenderState {
fn default() -> Self {
RenderState {
blending: None,
depth_test: DepthTest::Enabled,
face_culling: None,
}
}
}