[FIX #343] fixed shading. works now with glsl.

src/modules/homeGlyphs/WMHomeGlyphs.cpp

@@ -311,6 +311,10 @@ void  WMHomeGlyphs::renderSlice( size_t sliceId )
     glyphGeometry->setColorBinding( osg::Geometry::BIND_PER_VERTEX );
 
     m_glyphsGeode->addDrawable( glyphGeometry );
+
+    m_shader = osg::ref_ptr< WShader > ( new WShader( "WMHomeGlyphs", m_localPath ) );
+    m_shader->apply( m_glyphsGeode );
+
     m_moduleNode->insert( m_glyphsGeode );
 
 

src/modules/homeGlyphs/WMHomeGlyphs.h

@@ -30,6 +30,7 @@
 #include <osg/Geode>
 
 #include "../../dataHandler/WDataSetSphericalHarmonics.h"
+#include "../../graphicsEngine/WShader.h"
 #include "../../kernel/WModule.h"
 #include "../../kernel/WModuleInputData.h"
 #include "../../kernel/WModuleOutputData.h"
@@ -129,6 +130,8 @@ private:
      * \param sliceId The number of the slice to be rendered.
      */
     void renderSlice( size_t sliceId );
+    osg::ref_ptr< WShader > m_shader; //!< The shader used for the glyph surfaces
+
 
     WPropBool m_usePolarPlotProp; //!< Property indicating whether to use polar plot instead of HOME glyph
 

src/modules/homeGlyphs/shaders/WMHomeGlyphs-fragment.glsl

+#include "WGEColorMaps.glsl"
+#include "WGELighting.glsl"
+
+
+void main()
+{
+    vec4 col = gl_Color;
+
+    vec4 ambient = vec4(0.0);
+    vec4 diffuse = vec4(0.0);
+    vec4 specular = vec4(0.0);
+
+    calculateLighting( -normal, gl_FrontMaterial.shininess, ambient, diffuse, specular );
+    calculateLighting(  normal, gl_FrontMaterial.shininess, ambient, diffuse, specular );
+    col = (ambient * col / 2.0) + (diffuse * col) + (specular * col / 2.0);
+    col = clamp(col, 0.0, 1.0);
+    gl_FragColor = col;
+}

src/modules/homeGlyphs/shaders/WMHomeGlyphs-vertex.glsl

+#include "WGELighting.glsl"
+
+void main()
+{
+    prepareLight();
+
+    gl_FrontColor = gl_Color;
+
+    gl_Position = ftransform();
+}