X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frender%2Fprogramdata.cpp;h=e7c171754aed006dab1ecbdcedd272ddd894a396;hp=0aebdcd9a5747aa9f823ceb2a5116e3e45182560;hb=29d5fcb1674903600af6911f019641afcde1c72f;hpb=3d60c98715b1a93ae3c7b007c18557e0c2c99fc7

diff --git a/source/render/programdata.cpp b/source/render/programdata.cpp
index 0aebdcd9..e7c17175 100644
--- a/source/render/programdata.cpp
+++ b/source/render/programdata.cpp
@@ -116,7 +116,15 @@ bool ProgramData::validate_tag(Tag tag) const
 void ProgramData::mark_dirty(Mask bits)
 {
 	if(!dirty)
+	{
+		if(generation && !streaming)
+		{
+			streaming = true;
+			if(buffer && buffer->get_size())
+				recreate_buffer();
+		}
 		++generation;
+	}
 	dirty |= bits;
 }
 
@@ -647,15 +655,15 @@ vector<ProgramData::ProgramBlock>::const_iterator ProgramData::prepare_program(c
 
 		prog_begin->masks.dirty = 0;
 
-		if(last_buffer_block!=old_last_block)
+		if(last_buffer_block!=old_last_block || (buffer && !buffer->get_size()))
 		{
-			unsigned required_size = last_buffer_block->get_required_buffer_size();
+			unsigned required_size = last_buffer_block->get_required_buffer_size(streaming);
 			if(last_buffer_block->get_required_buffer_size()>buffer->get_size())
 			{
 				if(buffer->get_size()>0)
 					recreate_buffer();
 
-				buffer->storage(required_size, STREAMING);
+				buffer->storage(required_size, (streaming ? STREAMING : STATIC));
 			}
 		}
 	}