backface culling

1 files changed, 9 insertions, 1 deletions

diff --git a/video.hpp b/video.hpp
index 60127f3..13dbf16 100644
--- a/video.hpp
+++ b/video.hpp
@@ -104,6 +104,11 @@ enum class Blend_Mode {
 	max
 };
 
+enum class Cull_Mode {
+	none,
+	back,
+	front
+};
 
 struct Pipeline {
 	uint64_t pipeline_hash;
@@ -117,6 +122,7 @@ struct Pipeline {
 	Blend_Mode blend_mode;
 	Blend_Factor blend_src_alpha, blend_dst_alpha;
 	Blend_Mode blend_mode_alpha;
+	Cull_Mode cull_mode;
 	Vertex_Format_Id vertex_format;
 	Shader_Id shader;
 	Descriptor descriptors[pipeline_max_descriptors];
@@ -143,7 +149,8 @@ struct Pipeline {
 			blend_src_alpha == other.blend_src_alpha &&
 			blend_dst_alpha == other.blend_dst_alpha &&
 			blend_mode == other.blend_mode &&
-			blend_mode_alpha == other.blend_mode_alpha;
+			blend_mode_alpha == other.blend_mode_alpha &&
+			cull_mode == other.cull_mode;
 	}
 
 	bool desc_layout_eq(const Pipeline& other) const {
@@ -300,6 +307,7 @@ struct Pipeline_Builder {
 		Blend_Factor src_alpha,
 		Blend_Factor dst_alpha
 	);
+	void cull(Cull_Mode mode);
 	void shader(Shader_Id s);
 	void vertex_format(Vertex_Format_Id vf);
 	void texture(int binding, Texture_Id t, Sampler_Id s);