Fixed bugs in lazy shader compilation.

include/shader_program/features/mesh_features.hpp

@@ -35,7 +35,7 @@ constexpr inline type texture = 7;
 constexpr inline type uniform_color = 8;
 }
 
-enum class flags : unsigned
+enum class flags : std::uint16_t
 {
 	none = 0,
 	face = 1 << indices::face,
@@ -46,7 +46,7 @@ enum class flags : unsigned
 	alpha = 1 << indices::alpha,
 	lighting = 1 << indices::lighting,
 	texture = 1 << indices::texture,
-	uniform_color = 1 << indices::uniform_color,
+	uniform_color = 1 << indices::uniform_color
 };
 
 constexpr inline auto face = type{

include/shader_program/features/point_cloud_features.hpp

@@ -33,7 +33,7 @@ constexpr inline type uniform_color = 5;
 constexpr inline type rainbow = 6;
 }
 
-enum class flags : unsigned
+enum class flags : std::uint8_t
 {
  none = 0,
  square = 1 << indices::square,