keepalive optimizations, r_lights engine variable, OpenGL VBO support

1 files changed, 11 insertions, 0 deletions

diff --git a/src/model/vertexarray.h b/src/model/vertexarray.h
index 2e43f2a..9a71811 100644
--- a/src/model/vertexarray.h
+++ b/src/model/vertexarray.h
@@ -38,6 +38,11 @@ public:
 		return vertex_overflow;
 	}
 	
+	/// return true if the vertex data has changed and needs to uploaded to video memory
+	inline bool dirty() const {
+		return vertex_dirty;
+	}
+	
 	/// pointer to model vertices, sequential in GL_T2F_N3F_V3F format
 	inline const float *ptr() const {
 		return vertex_data;
@@ -52,6 +57,10 @@ public:
 	inline size_t index() const {
 		return vertex_index;
 	}
+	
+	inline void set_dirty(const bool dirty = true) {
+		vertex_dirty = dirty;
+	}
 
 	static inline VertexArray *instance() {
 		return vertex_instance;
@@ -69,6 +78,8 @@ private:
 	static VertexArray *vertex_instance;
 
 	bool vertex_overflow;
+	
+	bool vertex_dirty;
 };
 
 }