X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbuffer.h;h=c473d7edc918202e9c7f3cfff2d23f77badebcaa;hb=6dc2da27f0831d4172fcfeba4900616fd6c844b8;hp=4f9f32943df58e420848832d2d298914c74676e4;hpb=b69e2eeea92eae2c37c054a2a8b36f55e0ca2690;p=libs%2Fgl.git

diff --git a/source/buffer.h b/source/buffer.h
index 4f9f3294..c473d7ed 100644
--- a/source/buffer.h
+++ b/source/buffer.h
@@ -3,6 +3,7 @@
 
 #include <vector>
 #include "gl.h"
+#include <msp/gl/extensions/arb_pixel_buffer_object.h>
 #include <msp/gl/extensions/arb_vertex_buffer_object.h>
 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
 
@@ -31,6 +32,13 @@ enum BufferUsage
 	DYNAMIC_COPY = GL_DYNAMIC_COPY
 };
 
+enum BufferAccess
+{
+	READ_ONLY = GL_READ_ONLY,
+	WRITE_ONLY = GL_WRITE_ONLY,
+	READ_WRITE = GL_READ_WRITE
+};
+
 class BufferRange;
 
 /**
@@ -80,6 +88,9 @@ public:
 
 	BufferRange *create_range(unsigned, unsigned);
 
+	void *map(BufferAccess);
+	bool unmap();
+
 	/** Binds the buffer in its default slot. */
 	void bind() const { bind_to(type); }
 
@@ -89,12 +100,11 @@ public:
 	/** Unbinds the buffer from its default slot. */
 	void unbind() const { unbind_from(type); }
 
-	static const Buffer *current(BufferType t) { return binding(t); }
+	static const Buffer *current(BufferType);
 	static void unbind_from(BufferType);
 private:
 	static const Buffer *&binding(BufferType);
 	static bool set_current(BufferType, const Buffer *);
-	static void restore(const Buffer *, BufferType);
 };
 
 
@@ -112,6 +122,7 @@ private:
 
 public:
 	BufferRange(Buffer &, unsigned, unsigned);
+	~BufferRange();
 
 	void data(const void *);