projectm: retain viewport set during render

diff --git a/xbmc/visualizations/XBMCProjectM/libprojectM/Renderer.cpp b/xbmc/visualizations/XBMCProjectM/libprojectM/Renderer.cpp
index 7b0a199..d96a3d8 100644 (file)
--- a/xbmc/visualizations/XBMCProjectM/libprojectM/Renderer.cpp
+++ b/xbmc/visualizations/XBMCProjectM/libprojectM/Renderer.cpp
@@ -132,6 +132,8 @@ void Renderer::RenderFrame(PresetOutputs *presetOutputs, PresetInputs *presetInp
        glPushMatrix();
        glMatrixMode(GL_MODELVIEW);
        glPushMatrix();
+       GLint viewport[4];
+       glGetIntegerv(GL_VIEWPORT, viewport);
        
        totalframes++;          
        
@@ -228,7 +230,7 @@ void Renderer::RenderFrame(PresetOutputs *presetOutputs, PresetInputs *presetInp
        }
        else 
 #endif
-       glViewport( vx, vy, this->vw + vx, this->vh + vy );
+               glViewport( viewport[0], viewport[1], viewport[2], viewport[3] );