Ensure that DepthTest and Blend get unbound for PostProcessors

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

diff --git a/source/pipeline.cpp b/source/pipeline.cpp
index e3da053070b0cb0dcadc84e62f6b91cf4befab5a..92d80a97c3c11ef7406bd2701816407a3ea7d552 100644 (file)
--- a/source/pipeline.cpp
+++ b/source/pipeline.cpp
@@ -176,8 +176,10 @@ void Pipeline::render(Renderer &renderer, const Tag &tag) const
                setup_frame();
 
        const Framebuffer *out_fbo = Framebuffer::current();
-       // This is a no-op but will ensure the FBO binding gets restored
+       // These is a no-ops but will ensure the related state gets restored
        BindRestore restore_fbo(out_fbo);
+       BindRestore restore_depth_test(DepthTest::current());
+       BindRestore restore_blend(Blend::current());
 
        if(target[0])
        {
@@ -186,10 +188,19 @@ void Pipeline::render(Renderer &renderer, const Tag &tag) const
                fbo.clear(COLOR_BUFFER_BIT|DEPTH_BUFFER_BIT);
        }
 
+
        for(PassList::const_iterator i=passes.begin(); i!=passes.end(); ++i)
        {
-               Bind bind_depth_test(i->get_depth_test());
-               Bind bind_blend(i->get_blend());
+               if(const DepthTest *dt = i->get_depth_test())
+                       dt->bind();
+               else
+                       DepthTest::unbind();
+
+               if(const Blend *b = i->get_blend())
+                       b->bind();
+               else
+                       Blend::unbind();
+
                renderer.set_lighting(i->get_lighting());
                renderer.set_clipping(i->get_clipping());
 
@@ -205,6 +216,9 @@ void Pipeline::render(Renderer &renderer, const Tag &tag) const
 
        if(target[0])
        {
+               BindRestore unbind_depth_test(static_cast<DepthTest *>(0));
+               BindRestore unbind_blend(static_cast<Blend *>(0));
+
                if(samples)
                        target[0]->fbo.blit_from(target_ms->fbo, COLOR_BUFFER_BIT|DEPTH_BUFFER_BIT, false);