* hack to make sprite3d test work
* support cull face
* support setting front face winding
* convert depth compare function type
* clean codes
* remove usage of glprogramstate
* pass needed information to Material::draw()
* add 3d textures
* enable animation
* 3D: compile on windows (#179)
* exclude source files from extensions/
* enable assets and 3D
* run on windows
* update comments
* use std::vector instead of raw pointer void *
* compile on mac
* revert cmake
* fix bufferdata
* add todos
* remove dirty flag from uniform buffer
* argument type const &
* enable more tests
* update shader
* save: failed to compile
* pass compilation
* fix type convert
* save stage
* save stage 2
* remove VertexData & IndexBuffer & VertexBuffer
* comment out _meshCommand
* comment bindPredefinedVertexAttribs()
* fix xcode project file
* simple refactor
* remove unused files
* revert sprite3d testcase position
* revert change
* remove ProgramGL::bindPredefinedVertexAttribs()
* add header <string>
* fix uniform size
coulsonwang