* introducing ProcessorDecoratorShading and shading GLSL include
 * added Shading to SimpleRaycaster

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@295 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added gradient fragment shader include
 * implemented first hit normal computation to SimpleRaycaster

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@294 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * implemented first hitpoint calculation to SimpleRaycaster

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@293 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@289 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * introducing new TUMVis::QuadRenderer using VAO/VBOs
 * started upgrading shaders to GLSL 3.30


git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@271 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

* added depth calculation fragment shader

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@234 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added update_legal_header.py script for updating the legal header in all code files of the project
 * ran the file => all TUMVis source files now contain the legal header

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@231 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@229 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@228 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * adapted SimpleRaycaster and DRRRaycaster
 * fixed TumVisApplication::deinit() using wrong OpenGL context for deinitialization

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@227 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@226 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * introduced tools/raycasting.frag with useful helper methods for ray casting

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@225 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * fixed ImageDataRenderTarget::bind()
 * fixed InvalidationLevel

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@224 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@221 bb408c1c-ae56-11e1-83d9-df6b3e0c105e