X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fpipeline.cpp;fp=source%2Fpipeline.cpp;h=fa06fc5c0a985021a20353b1752cb849664e2a59;hp=53b51d7924bc91cfeb6b8c4e84ef6cf24134061a;hb=39488946c441f4007396e438f522609a8b2943ce;hpb=d6f8db673345501a29231890b52cbdfce4a8ecf8

diff --git a/source/pipeline.cpp b/source/pipeline.cpp
index 53b51d79..fa06fc5c 100644
--- a/source/pipeline.cpp
+++ b/source/pipeline.cpp
@@ -38,6 +38,7 @@ void Pipeline::init(unsigned w, unsigned h)
 	width = w;
 	height = h;
 	hdr = false;
+	alpha = false;
 	samples = 0;
 	target_ms = 0;
 	target[0] = 0;
@@ -69,6 +70,24 @@ void Pipeline::set_hdr(bool h)
 	}
 }
 
+void Pipeline::set_alpha(bool a)
+{
+	if(a==alpha)
+		return;
+
+	bool old_alpha = alpha;
+	alpha = a;
+	try
+	{
+		create_targets(2);
+	}
+	catch(...)
+	{
+		alpha = old_alpha;
+		throw;
+	}
+}
+
 void Pipeline::set_multisample(unsigned s)
 {
 	if(s==samples)
@@ -269,7 +288,7 @@ void Pipeline::create_targets(unsigned recreate)
 		target_ms = 0;
 	}
 
-	PixelFormat color_pf = (hdr ? RGB16F : RGB);
+	PixelFormat color_pf = (hdr ? (alpha ? RGBA16F : RGB16F) : (alpha ? RGBA : RGB));
 	RenderTargetFormat fmt = (RENDER_COLOR,color_pf, RENDER_DEPTH);
 	if(!postproc.empty() || samples)
 	{