Add an alpha channel flag to Pipeline

[libs/gl.git] / source / pipelinebuilder.cpp

diff --git a/source/pipelinebuilder.cpp b/source/pipelinebuilder.cpp
index cbf181fe6e81ee3588ed341f48f7537ac7d55ebd..51e9cc855f8b73d1cb7b4cd49f616a4cc3faea58 100644 (file)
--- a/source/pipelinebuilder.cpp
+++ b/source/pipelinebuilder.cpp
@@ -17,6 +17,10 @@ PipelineBuilder::PipelineBuilder(const PipelineTemplate &t):
        const vector<PipelineTemplate::Pass> &passes = tmpl.get_passes();
        for(vector<PipelineTemplate::Pass>::const_iterator i=passes.begin(); i!=passes.end(); ++i)
                renderables[i->renderable_name] = 0;
+       const vector<PipelineTemplate::PostProcessor> &postprocs = tmpl.get_postprocessors();
+       for(PipelineTemplate::PostProcessorArray::const_iterator i=postprocs.begin(); i!=postprocs.end(); ++i)
+               if(!i->slot_name.empty())
+                       postprocessors[i->slot_name] = 0;
 }
 
 void PipelineBuilder::set_renderable(const string &name, Renderable &rend)
@@ -24,9 +28,15 @@ void PipelineBuilder::set_renderable(const string &name, Renderable &rend)
        get_item(renderables, name) = &rend;
 }
 
+void PipelineBuilder::set_postprocessor(const string &name, PostProcessor &pproc)
+{
+       get_item(postprocessors, name) = &pproc;
+}
+
 void PipelineBuilder::build(Pipeline &pipeline) const
 {
        pipeline.set_hdr(tmpl.get_hdr());
+       pipeline.set_alpha(tmpl.get_alpha());
        unsigned samples = min(tmpl.get_maximum_multisample(), Renderbuffer::get_max_samples());
        if(samples<tmpl.get_required_multisample())
                throw invalid_operation("PipelineBuilder::build");
@@ -49,11 +59,27 @@ void PipelineBuilder::build(Pipeline &pipeline) const
        const PipelineTemplate::PostProcessorArray &postprocs = tmpl.get_postprocessors();
        for(PipelineTemplate::PostProcessorArray::const_iterator i=postprocs.begin(); i!=postprocs.end(); ++i)
        {
-               PostProcessor *proc = (*i)->create(pipeline.get_width(), pipeline.get_height());
-               pipeline.add_postprocessor_owned(proc);
+               PostProcessor *proc = 0;
+               if(!i->slot_name.empty())
+                       proc = get_item(postprocessors, i->slot_name);
+               if(proc)
+                       pipeline.add_postprocessor(*proc);
+               else if(i->postprocessor_template)
+               {
+                       proc = i->postprocessor_template->create(pipeline.get_width(), pipeline.get_height());
+                       if(proc)
+                               pipeline.add_postprocessor_owned(proc);
+               }
        }
 }
 
+Pipeline *PipelineBuilder::build(unsigned w, unsigned h) const
+{
+       RefPtr<Pipeline> pipeline = new Pipeline(w, h);
+       build(*pipeline);
+       return pipeline.release();
+}
+
 Pipeline *PipelineBuilder::build(const View &view) const
 {
        RefPtr<Pipeline> pipeline = new Pipeline(view);
@@ -61,5 +87,12 @@ Pipeline *PipelineBuilder::build(const View &view) const
        return pipeline.release();
 }
 
+Pipeline *PipelineBuilder::build(const Framebuffer &fbo) const
+{
+       RefPtr<Pipeline> pipeline = new Pipeline(fbo);
+       build(*pipeline);
+       return pipeline.release();
+}
+
 } // namespace GL
 } // namespace Msp