ui renderer clipping

1 files changed, 14 insertions, 5 deletions

diff --git a/ui.hpp b/ui.hpp
index 4dc0dd9..2b671ae 100644
--- a/ui.hpp
+++ b/ui.hpp
@@ -19,15 +19,26 @@ struct UI {
 		float a_f() { return (float)a / 255.0f; };
 	};
 
+	struct Rect {
+		int x, y, w, h;
+
+		Rect() = default;
+		Rect(int x, int y, int w, int h);
+	};
+
 	struct Vertex_Buffer {
+		Rect clip;
+		bool dirty;
 		Staged_Buffer buf;
 		Buffer_Id indices;
-		int usage;
+		int start, usage;
 
 		void init(Device* dev);
 		void init_indices(Device* dev);
 		void destroy(UI* ui);
 		void update_buffer(Context& ctx);
+		void reset(const Rect& clip);
+		void set_clip(const Rect& clip);
 
 		void add_quad(
 			UI* ui,
@@ -66,10 +77,6 @@ struct UI {
 		Vertex_Buffer* next;
 	};
 
-	struct Rect {
-		int x, y, w, h;
-	};
-
 	Heap* heap;
 	Device* device;
 	Texture_Id atlas;
@@ -78,6 +85,8 @@ struct UI {
 	Sampler_Id sampler;
 	Staged_Buffer cbuffer;
 	Vertex_Buffer mesh;
+	Pipeline* pipeline;
+	Render_Pass* render_pass;
 
 	struct UI_CBuffer {
 		m4f projection;