GL_ARB_program_interface_query
http://www.opengl.org/registry/specs/ARB/program_interface_query.txt
GL_ARB_program_interface_query

	GL_UNIFORM 0x92E1
	GL_UNIFORM_BLOCK 0x92E2
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	GL_PROGRAM_OUTPUT 0x92E4
	GL_BUFFER_VARIABLE 0x92E5
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	GL_TESS_EVALUATION_SUBROUTINE 0x92EA
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	GL_COMPUTE_SUBROUTINE 0x92ED
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	GL_ACTIVE_RESOURCES 0x92F5
	GL_MAX_NAME_LENGTH 0x92F6
	GL_MAX_NUM_ACTIVE_VARIABLES 0x92F7
	GL_MAX_NUM_COMPATIBLE_SUBROUTINES 0x92F8
	GL_NAME_LENGTH 0x92F9
	GL_TYPE 0x92FA
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	GL_ATOMIC_COUNTER_BUFFER_INDEX 0x9301
	GL_BUFFER_BINDING 0x9302
	GL_BUFFER_DATA_SIZE 0x9303
	GL_NUM_ACTIVE_VARIABLES 0x9304
	GL_ACTIVE_VARIABLES 0x9305
	GL_REFERENCED_BY_VERTEX_SHADER 0x9306
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	GL_REFERENCED_BY_FRAGMENT_SHADER 0x930A
	GL_REFERENCED_BY_COMPUTE_SHADER 0x930B
	GL_TOP_LEVEL_ARRAY_SIZE 0x930C
	GL_TOP_LEVEL_ARRAY_STRIDE 0x930D
	GL_LOCATION 0x930E
	GL_LOCATION_INDEX 0x930F
	void glGetProgramInterfaceiv (GLuint program, GLenum programInterface, GLenum pname, GLint* params)
	GLuint glGetProgramResourceIndex (GLuint program, GLenum programInterface, const GLchar* name)
	GLint glGetProgramResourceLocation (GLuint program, GLenum programInterface, const GLchar* name)
	GLint glGetProgramResourceLocationIndex (GLuint program, GLenum programInterface, const GLchar* name)
	void glGetProgramResourceName (GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei* length, GLchar *name)
	void glGetProgramResourceiv (GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum* props, GLsizei bufSize, GLsizei *length, GLint *params)
