kripken/emscripten — pull request #1835 by juj (2013-11-19 09:39:25+00:00)
Title: glGetXXX fixes.

Generate an GL_INVALID_VALUE error when user calls glGetXXX() with a null out pointer instead of crashing. Fix glGetIntegerv of GL_SHADER_BINARY_FORMATS to not write anything out to the provided buffer.