Move vertex array object management out of Mesh

[libs/gl.git] / source / vertexsetup.h

diff --git a/source/vertexsetup.h b/source/vertexsetup.h
new file mode 100644 (file)
index 0000000..466eed4
--- /dev/null
+++ b/source/vertexsetup.h
@@ -0,0 +1,42 @@
+#ifndef MSP_GL_VERTEXSETUP_H_
+#define MSP_GL_VERTEXSETUP_H_
+
+#include "bindable.h"
+
+namespace Msp {
+namespace GL {
+
+class VertexArray;
+
+/**
+Combines a VertexArray with an index buffer.  This wraps OpenGL's vertex array
+objects.  Intended for internal use.
+*/
+class VertexSetup: public Bindable<VertexSetup>
+{
+private:
+       unsigned id;
+       mutable bool dirty;
+       const VertexArray *array;
+       const Buffer *index_buffer;
+
+public:
+       VertexSetup();
+       ~VertexSetup();
+
+       void set_vertex_array(const VertexArray &);
+       void set_index_buffer(const Buffer &);
+       const Buffer *get_index_buffer() const { return index_buffer; }
+
+private:
+       void update() const;
+
+public:
+       void bind() const;
+       static void unbind();
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif