make the pipeline builder a bit cleaner to use

1 files changed, 20 insertions, 18 deletions

diff --git a/video.hpp b/video.hpp
index ccc1f11..b8293fa 100644
--- a/video.hpp
+++ b/video.hpp
@@ -298,21 +298,23 @@ struct Pipeline_Builder {
 
 	Pipeline_Builder(Arena* arena, Device* dev);
 
-	void begin_rp();
-	void rp_target(Texture_Id id, Colour clear_colour);
-	void rp_target(Texture_Id id, Clear_Mode mode);
-	void rp_depth_target(Texture_Id id, float clear_depth);
-	void rp_depth_target(Texture_Id id, Clear_Mode mode);
+	using PB = Pipeline_Builder&;
+
+	PB& begin_rp();
+	PB& rp_target(Texture_Id id, Colour clear_colour);
+	PB& rp_target(Texture_Id id, Clear_Mode mode);
+	PB& rp_depth_target(Texture_Id id, float clear_depth);
+	PB& rp_depth_target(Texture_Id id, Clear_Mode mode);
 	Render_Pass& build_rp();
 	void validate_rp();
 
-	void begin();
-	void viewport(int x, int y, int w, int h);
-	void scissor(int x, int y, int w, int h);
-	void depth(bool test, bool write, Depth_Mode mode);
-	void geo(Geo_Type type);
-	void blend(Blend_Mode mode, Blend_Factor src, Blend_Factor dst);
-	void blend(
+	PB& begin(const Render_Pass* p = 0);
+	PB& viewport(int x, int y, int w, int h);
+	PB& scissor(int x, int y, int w, int h);
+	PB& depth(bool test, bool write, Depth_Mode mode);
+	PB& geo(Geo_Type type);
+	PB& blend(Blend_Mode mode, Blend_Factor src, Blend_Factor dst);
+	PB& blend(
 		Blend_Mode mode_col,
 		Blend_Factor src_col,
 		Blend_Factor dst_col,
@@ -320,17 +322,17 @@ 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);
-	void cbuffer(
+	PB& cull(Cull_Mode mode);
+	PB& shader(Shader_Id s);
+	PB& vertex_format(Vertex_Format_Id vf);
+	PB& texture(int binding, Texture_Id t, Sampler_Id s);
+	PB& cbuffer(
 		int binding,
 		Buffer_Id id,
 		int offset = 0,
 		int size = 0
 	);
-	void sbuffer(
+	PB& sbuffer(
 		int binding,
 		Buffer_Id id,
 		int offset = 0,