feat(engine): add ability to change polygon mode per object

1 files changed, 49 insertions, 0 deletions

diff --git a/engine/src/opengl/mod.rs b/engine/src/opengl/mod.rs
index 40f0c58..0b1bb8a 100644
--- a/engine/src/opengl/mod.rs
+++ b/engine/src/opengl/mod.rs
@@ -33,6 +33,13 @@ pub fn clear_buffers(mask: BufferClearMask)
     }
 }
 
+pub fn set_polygon_mode(face: impl Into<PolygonModeFace>, mode: impl Into<PolygonMode>)
+{
+    unsafe {
+        gl::PolygonMode(face.into() as u32, mode.into() as u32);
+    }
+}
+
 pub fn enable(capacity: Capability)
 {
     unsafe {
@@ -56,3 +63,45 @@ pub enum Capability
     DepthTest = gl::DEPTH_TEST,
     MultiSample = gl::MULTISAMPLE,
 }
+
+#[derive(Debug)]
+#[repr(u32)]
+pub enum PolygonMode
+{
+    Point = gl::POINT,
+    Line = gl::LINE,
+    Fill = gl::FILL,
+}
+
+impl From<crate::draw_flags::PolygonMode> for PolygonMode
+{
+    fn from(mode: crate::draw_flags::PolygonMode) -> Self
+    {
+        match mode {
+            crate::draw_flags::PolygonMode::Point => Self::Point,
+            crate::draw_flags::PolygonMode::Fill => Self::Fill,
+            crate::draw_flags::PolygonMode::Line => Self::Line,
+        }
+    }
+}
+
+#[derive(Debug)]
+#[repr(u32)]
+pub enum PolygonModeFace
+{
+    Front = gl::FRONT,
+    Back = gl::BACK,
+    FrontAndBack = gl::FRONT_AND_BACK,
+}
+
+impl From<crate::draw_flags::PolygonModeFace> for PolygonModeFace
+{
+    fn from(face: crate::draw_flags::PolygonModeFace) -> Self
+    {
+        match face {
+            crate::draw_flags::PolygonModeFace::Front => Self::Front,
+            crate::draw_flags::PolygonModeFace::Back => Self::Back,
+            crate::draw_flags::PolygonModeFace::FrontAndBack => Self::FrontAndBack,
+        }
+    }
+}