make kuhl_geometry_draw() restore GLSL program after it is finished
add additional GLSL program sanity checks
add additional error checking to kuhl_get_uniform
print the matrix to the console whenever matrix inversion functions fail
save and restore more state variables in kuhl_geometry_draw()
add additional error checking in
add checkerboard image into images directory
ogl3-texture: remove unnecessary global variable
Merge branch 'master' of github.com:skuhl/opengl-examples
remove warning messages if we try to load a model but the GLSL shaders do not have a sampler variable named tex
Merge branch 'master' of github.com:skuhl/opengl-examples
make it easier to reload a GLSL program at runtime.
add example demonstrating how to display a hud and how to figure out which object a cursor is on
add instructions for compiling imagemagick yourself
Merge branch 'master' of github.com:skuhl/opengl-examples
don't print a warning message about reloading a model when it is the first time we've loaded it
correct plural vs singular in warning messages
add a non-square texture for testing
add ogl3-picker to gitignore file
clarify/improve calculations in ogl3-triangle-shade shaders