X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fcontext.cpp;h=9ac1020df4d203ac2b3936458a36a131f549e7fc;hb=6fcfeb5b77c28b403b9fecc9bafcde6834447c9a;hp=024b6d8b674ef6258a63120263a023381b820926;hpb=a50de53f5e4b23b1e3c0d79866a8503758422dba;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/context.cpp b/synfig-core/trunk/src/synfig/context.cpp
index 024b6d8..9ac1020 100644
--- a/synfig-core/trunk/src/synfig/context.cpp
+++ b/synfig-core/trunk/src/synfig/context.cpp
@@ -202,7 +202,7 @@ Context::accelerated_render(Surface *surface,int quality, const RendDesc &rendde
 		if(layer_bounds.area() <= 0.0000000000001 || !(layer_bounds && bbox))
 		{
 			if (composite &&
-				composite->get_blend_method() == Color::BLEND_STRAIGHT &&
+				Color::is_straight(composite->get_blend_method()) &&
 				composite->get_amount() != 0.0f)
 			{
 				straight_and_empty = true;
@@ -211,10 +211,13 @@ Context::accelerated_render(Surface *surface,int quality, const RendDesc &rendde
 			continue;
 		}
 
-		// If this layer has Straight as the blend method and amount is 1.0
-		// then we don't want to render the context
-		if (composite && composite->get_blend_method() == Color::BLEND_STRAIGHT &&
-			composite->get_amount() == 1.0f)
+		// If this layer has Straight as the blend method and amount
+		// is 1.0, and the layer doesn't depend on its context, then
+		// we don't want to render the context
+		if (composite &&
+			composite->get_blend_method() == Color::BLEND_STRAIGHT &&
+			composite->get_amount() == 1.0f &&
+			!composite->reads_context())
 		{
 			Layer::Handle layer = *context;
 			while (!context->empty()) context++; // skip the context
@@ -261,7 +264,7 @@ Context::accelerated_render(Surface *surface,int quality, const RendDesc &rendde
 	// using the appropriate 'amount'
 	if (straight_and_empty)
 	{
-		if (ret = Context((context+1)).accelerated_render(surface,quality,renddesc,cb))
+		if ((ret = Context((context+1)).accelerated_render(surface,quality,renddesc,cb)))
 		{
 			Surface clearsurface;
 			clearsurface.set_wh(renddesc.get_w(),renddesc.get_h());
@@ -269,7 +272,7 @@ Context::accelerated_render(Surface *surface,int quality, const RendDesc &rendde
 
 			Surface::alpha_pen apen(surface->begin());
 			apen.set_alpha(composite->get_amount());
-			apen.set_blend_method(Color::BLEND_STRAIGHT);
+			apen.set_blend_method(composite->get_blend_method());
 
 			clearsurface.blit_to(apen);
 		}