ARB_texture_cube_map and EXT_texture_cube_map for ES 2.0
IFF emulation improvements
Emscripten build improvements
Update zlib to version 1.2.8
Update libpng to version 1.6.3
Update mongoose to version 3.8
Initial implementation of Draw*Elements*BaseVertex* emulation.
IBM_texture_mirrored_repeat extension emulation for ES 2.0.
Use REGAL_CALL for GLDEBUGPROC* function typedefs.
Fix logging of string in glNamedProgramStringARB.
Fix logging of commands with ref and mask.
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.
CGL API fixups
GL const parameter fixups
LONG and ULONG_PTR for Windows
Add Logging::process option to log process ID
Avoid glGetAttachedShaders in RegalDispatchLog unless driver logging is actually specifically enabled.
For RegalDispatchCode log the texture data to the header rather than source.
Extend GL database to list per-extension information
EmuFilter layer - selective ES 2.0 filtering
Increase the strictness of emulation regex matching - must be unique
Initial implementation of JSON output
