From e0dcf4d2ce8a8896e270a219468fabbf9a89581d Mon Sep 17 00:00:00 2001
From: tobias <tobias@5a81b35b-ba03-0410-adc8-b2c5c5119f08>
Date: Thu, 11 Mar 2010 10:42:17 +0000
Subject: [PATCH] enable quadbuffered sequential stereo (using scene.Stereo(1))
git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@1807 5a81b35b-ba03-0410-adc8-b2c5c5119f08
---
modules/gfx/src/glwin_base.hh | 2 ++
modules/gfx/src/scene.cc | 23 +++++++++++++++++++----
modules/gfx/src/scene.hh | 1 +
modules/gui/src/gl_canvas.cc | 6 ++++++
modules/gui/src/gl_canvas.hh | 1 +
5 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/modules/gfx/src/glwin_base.hh b/modules/gfx/src/glwin_base.hh
index 1e9029ec7..69ce40525 100644
--- a/modules/gfx/src/glwin_base.hh
+++ b/modules/gfx/src/glwin_base.hh
@@ -36,6 +36,8 @@ public:
virtual void DoRefresh() = 0;
virtual void StatusMessage(const String& m) = 0;
+
+ virtual void SetStereo(bool s) = 0;
};
}}
diff --git a/modules/gfx/src/scene.cc b/modules/gfx/src/scene.cc
index 1b7304b5c..0b62cbeb4 100644
--- a/modules/gfx/src/scene.cc
+++ b/modules/gfx/src/scene.cc
@@ -447,6 +447,8 @@ void Scene::RenderGL()
if(stereo_==2 || stereo_==3) {
render_interlaced_stereo();
+ } else if (stereo_==1) {
+ this->render_quad_buffered_stereo();
} else {
this->render_scene_with_glow();
}
@@ -1047,13 +1049,14 @@ void Scene::SetFogOffsets(float no, float fo)
void Scene::Stereo(unsigned int m)
{
if(m==1) {
- // unsupported quad-buffer stereo
- LOGN_ERROR("quad buffer stereo not supported");
- stereo_=0;
+ stereo_=m;
+ if(win_) win_->SetStereo(true);
} else if(m==2 || m==3) {
stereo_=m;
+ if(win_) win_->SetStereo(false);
} else {
stereo_=0;
+ if(win_) win_->SetStereo(false);
}
RequestRedraw();
}
@@ -1728,6 +1731,18 @@ void Scene::render_interlaced_stereo()
glPopAttrib();
}
-
+void Scene::render_quad_buffered_stereo()
+{
+ glDrawBuffer(GL_BACK);
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+ glDrawBuffer(GL_BACK_LEFT);
+ glClear(GL_DEPTH_BUFFER_BIT);
+ stereo_projection(stereo_==1 ? 1: 2);
+ this->render_scene_with_glow();
+ glDrawBuffer(GL_BACK_RIGHT);
+ glClear(GL_DEPTH_BUFFER_BIT);
+ stereo_projection(stereo_==1 ? 2 : 1);
+ this->render_scene_with_glow();
+}
}} // ns
diff --git a/modules/gfx/src/scene.hh b/modules/gfx/src/scene.hh
index 655d207d9..c373f3e81 100644
--- a/modules/gfx/src/scene.hh
+++ b/modules/gfx/src/scene.hh
@@ -405,6 +405,7 @@ private:
void prep_blur();
void stereo_projection(unsigned int view);
void render_interlaced_stereo();
+ void render_quad_buffered_stereo();
void render_scene_with_glow();
bool IsNameAvailable(String name);
};
diff --git a/modules/gui/src/gl_canvas.cc b/modules/gui/src/gl_canvas.cc
index cd563cc1f..ebcbd0d38 100644
--- a/modules/gui/src/gl_canvas.cc
+++ b/modules/gui/src/gl_canvas.cc
@@ -71,6 +71,12 @@ void GLCanvas::StatusMessage(const String& m)
glwin_->StatusMessage(m);
}
+void GLCanvas::SetStereo(bool s)
+{
+ QGLFormat f=this->format();
+ f.setStereo(s);
+ this->setFormat(f);
+}
void GLCanvas::OnTransform(gfx::InputCommand com, int indx,
gfx::TransformTarget trg, Real val)
diff --git a/modules/gui/src/gl_canvas.hh b/modules/gui/src/gl_canvas.hh
index 1b7f51f91..87137dcc1 100644
--- a/modules/gui/src/gl_canvas.hh
+++ b/modules/gui/src/gl_canvas.hh
@@ -53,6 +53,7 @@ public:
// gfx::GLWinBase interface
virtual void DoRefresh();
virtual void StatusMessage(const String& m);
+ virtual void SetStereo(bool s);
// central point for sending input to the gfx layer
void OnTransform(gfx::InputCommand, int indx,
--
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