X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbuffer.cpp;h=2b18d7d7d7d3bf0a47611207850aec5aabc4cc9d;hp=100e4b2ea40a08b4858b41abf043f7b4d84c11eb;hb=9319f1c8ed99866966f20fbab952da673af2257e;hpb=08e19bc2b4eba572bc7699378cf55cd8772ac67e

diff --git a/source/buffer.cpp b/source/buffer.cpp
index 100e4b2e..2b18d7d7 100644
--- a/source/buffer.cpp
+++ b/source/buffer.cpp
@@ -46,6 +46,7 @@ void Buffer::require_buffer_type(BufferType type)
 
 void Buffer::set_usage(BufferUsage u)
 {
+	// TODO OpenGL ES 2.0 doesn't support read or copy usages
 	usage = u;
 }
 
@@ -98,22 +99,27 @@ void *Buffer::map(BufferAccess access)
 	}
 	else if(ARB_direct_state_access)
 		return glMapNamedBuffer(id, access);
-	else
+	else if(OES_mapbuffer)
 	{
 		BindRestore _bind(this, type);
 		return glMapBuffer(type, access);
 	}
+	else
+		throw invalid_operation("Buffer::map");
 }
 
 bool Buffer::unmap()
 {
+	// TODO check if it's mapped
 	if(ARB_direct_state_access)
 		return glUnmapNamedBuffer(id);
-	else
+	else if(OES_mapbuffer)
 	{
 		BindRestore _bind(this, type);
 		return glUnmapBuffer(type);
 	}
+	else
+		return true;
 }
 
 void Buffer::bind_to(BufferType t) const