Add option to enable and disable Unity low graphics mode on the fly in ccsm or via gsettings. Fixes: #1412937

Approved by: Marco Trevisan (Treviño) (bzr r3962)

3 files changed, 9 insertions, 1 deletions

diff --git a/unity-shared/OverlayRenderer.cpp b/unity-shared/OverlayRenderer.cpp
index 745bfae9e..7f84f6fc0 100644
--- a/unity-shared/OverlayRenderer.cpp
+++ b/unity-shared/OverlayRenderer.cpp
@@ -116,6 +116,8 @@ OverlayRendererImpl::OverlayRendererImpl(OverlayRenderer *parent_)
 {
 parent->scale = Settings::Instance().em()->DPIScale();
 parent->scale.changed.connect(sigc::hide(sigc::mem_fun(this, &OverlayRendererImpl::LoadScaledTextures)));
+ Settings::Instance().low_gfx_changed.connect(sigc::mem_fun(this, &OverlayRendererImpl::UpdateTextures));
+
 UpdateTextures();
 LoadScaledTextures();
 }
diff --git a/unity-shared/UnitySettings.cpp b/unity-shared/UnitySettings.cpp
index 701e23269..d7a0e282d 100644
--- a/unity-shared/UnitySettings.cpp
+++ b/unity-shared/UnitySettings.cpp
@@ -373,7 +373,12 @@ bool Settings::GetLowGfxMode() const
 
 void Settings::SetLowGfxMode(const bool low_gfx)
 {
- pimpl->lowGfx_ = low_gfx;
+ if (pimpl->lowGfx_ != low_gfx)
+ {
+ pimpl->lowGfx_ = low_gfx;
+
+ low_gfx_changed.emit();
+ }
 }
 
 EMConverter::Ptr const& Settings::em(int monitor) const
diff --git a/unity-shared/UnitySettings.h b/unity-shared/UnitySettings.h
index 261dbedce..4e16286b7 100644
--- a/unity-shared/UnitySettings.h
+++ b/unity-shared/UnitySettings.h
@@ -58,6 +58,7 @@ public:
 nux::Property<double> font_scaling;
 
 sigc::signal<void> dpi_changed;
+ sigc::signal<void> low_gfx_changed;
 
 private:
 class Impl;