X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frender%2Frenderer.cpp;h=5262d09a90ee2862e6c0db07dcd02e71044241fd;hp=50d3887369a30cbcdf6b8b1f99e83ea33ca08a94;hb=HEAD;hpb=94cadd1618f93239b1cb0acbd4f958257c035c98

diff --git a/source/render/renderer.cpp b/source/render/renderer.cpp
index 50d38873..7e010b3f 100644
--- a/source/render/renderer.cpp
+++ b/source/render/renderer.cpp
@@ -71,7 +71,7 @@ void Renderer::push_state()
 
 void Renderer::pop_state()
 {
-	if(state_stack.size()==1)
+	if(state_stack.size()<=1)
 		throw stack_underflow("Renderer::pop_state");
 
 	uintptr_t old_pipeline = current_state->pipeline_key;
@@ -279,21 +279,25 @@ void Renderer::clear(const ClearValue *values)
 void Renderer::draw(const Batch &batch)
 {
 	apply_state();
-	batch.refresh(frame_index);
-	PipelineState &ps = get_pipeline_state();
-	ps.set_primitive_type(batch.get_type());
-	commands.use_pipeline(&ps);
+	apply_batch(batch);
 	commands.draw(batch);
 }
 
 void Renderer::draw_instanced(const Batch &batch, unsigned count)
 {
 	apply_state();
+	apply_batch(batch);
+	commands.draw_instanced(batch, count);
+}
+
+void Renderer::apply_batch(const Batch &batch)
+{
 	batch.refresh(frame_index);
 	PipelineState &ps = get_pipeline_state();
 	ps.set_primitive_type(batch.get_type());
+	if(batch.get_type()==PATCHES)
+		ps.set_patch_size(batch.get_patch_size());
 	commands.use_pipeline(&ps);
-	commands.draw_instanced(batch, count);
 }
 
 void Renderer::dispatch(unsigned count_x, unsigned count_y, unsigned count_z)