X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbuilders%2Fsequencebuilder.cpp;h=01208cf4cc32a6c5a4c5245a57d74b32c0740cda;hp=65aeaa13d01a02d1dfa12198dfb4ec8fc4f39be6;hb=HEAD;hpb=d16d28d2ccf7c6255204f02975834f713ff1df08

diff --git a/source/builders/sequencebuilder.cpp b/source/builders/sequencebuilder.cpp
index 65aeaa13..01208cf4 100644
--- a/source/builders/sequencebuilder.cpp
+++ b/source/builders/sequencebuilder.cpp
@@ -146,36 +146,39 @@ Sequence *SequenceBuilder::build() const
 
 Sequence *SequenceBuilder::build(unsigned w, unsigned h) const
 {
-	RefPtr<Sequence> sequence = new Sequence(w, h, create_frame_format());
+	RefPtr<Sequence> sequence = create_sequence(w, h);
 	build(*sequence);
 	return sequence.release();
 }
 
 Sequence *SequenceBuilder::build(const View &view) const
 {
-	RefPtr<Sequence> sequence = new Sequence(view.get_width(), view.get_height(), create_frame_format());
+	RefPtr<Sequence> sequence = create_sequence(view.get_width(), view.get_height());
 	build(*sequence);
 	return sequence.release();
 }
 
 Sequence *SequenceBuilder::build(const Framebuffer &fbo) const
 {
-	RefPtr<Sequence> sequence = new Sequence(fbo.get_width(), fbo.get_height(), create_frame_format());
+	RefPtr<Sequence> sequence = create_sequence(fbo.get_width(), fbo.get_height());
 	build(*sequence);
 	return sequence.release();
 }
 
-FrameFormat SequenceBuilder::create_frame_format() const
+Sequence * SequenceBuilder::create_sequence(unsigned w, unsigned h) const
 {
+	if(!w || !h || tmpl.get_postprocessors().empty())
+		return new Sequence;
+
 	unsigned samples = min(tmpl.get_maximum_multisample(), Device::get_current().get_info().limits.max_samples);
 	if(samples<tmpl.get_required_multisample())
 		throw invalid_operation("SequenceBuilder::create_frame_format");
 
-	PixelComponents color_comp = (tmpl.get_alpha() ? RGBA : RGB);
 	DataType color_type = (tmpl.get_hdr() ? HALF_FLOAT : UNSIGNED_BYTE);
-	PixelFormat color_pf = make_pixelformat(color_comp, color_type);
+	PixelFormat color_pf = make_pixelformat(RGBA, color_type);
 
-	return (COLOR_ATTACHMENT,color_pf, DEPTH_ATTACHMENT).set_samples(samples);
+	FrameFormat format = (COLOR_ATTACHMENT,color_pf, DEPTH_ATTACHMENT).set_samples(samples);
+	return new Sequence(w, h, format);
 }
 
 } // namespace GL