[core] move CullFaceMode to gfx namespace

2 files changed, 35 insertions, 0 deletions

diff --git a/src/mbgl/gfx/cull_face_mode.hpp b/src/mbgl/gfx/cull_face_mode.hpp
new file mode 100644
index 0000000000..42920ee02a
--- /dev/null
+++ b/src/mbgl/gfx/cull_face_mode.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <mbgl/gfx/types.hpp>
+
+namespace mbgl {
+namespace gfx {
+
+class CullFaceMode {
+public:
+    bool enabled;
+    CullFaceSideType side;
+    CullFaceWindingType winding;
+
+    static CullFaceMode disabled() {
+        return { false, CullFaceSideType::Back, CullFaceWindingType::CounterClockwise };
+    }
+
+    static CullFaceMode backCCW() {
+        return { true, CullFaceSideType::Back, CullFaceWindingType::CounterClockwise };
+    }
+};
+
+} // namespace gfx
+} // namespace mbgl
diff --git a/src/mbgl/gfx/types.hpp b/src/mbgl/gfx/types.hpp
index 8faa9dc7f9..d1421dddb7 100644
--- a/src/mbgl/gfx/types.hpp
+++ b/src/mbgl/gfx/types.hpp
@@ -77,5 +77,16 @@ enum class StencilOpType : uint8_t {
     DecrementWrap,
 };
 
+enum CullFaceSideType : uint8_t {
+    Front,
+    Back,
+    FrontAndBack,
+};
+
+enum CullFaceWindingType : uint8_t {
+    Clockwise,
+    CounterClockwise,
+};
+
 } // namespace gfx
 } // namespace mbgl