GL_EXT_blend_color, GL_EXT_blend_subtract and GL_NV_blend_square emulation for ES 2.0.
ARB_shader_subroutine completeness for NV_gpu_program5 purposes.
Better log nesting for begin/end, push/pop log pairs.
Regal.cpp codegen tidy-up: reduce casting for default return values.
Regal context sharing for WGL too.
Log the return values of global functions (WGL, etc) in the driver logging stream.
Regal::Marker needs two versions of toString, depending on the relevant extension being emulated.
Refresh GLEW sources.
Add freeglut sources.
Logging refinements for glPush/PopMatrix and display list compilation.
boost::print::string_list::pop_front and pop_back added.
Utility function for loading a file into a std::string added.
Refresh VC10 projects for regaltest purposes.
Extend GL_REGAL_log extension to support callback function for output.
Consolidate glBegin/glEnd state tracking into RegalContext.
glBegin/glEnd indentation for logging.
GLEW refresh for GL_REGAL_log.
