glc

type Context struct {
	NO_ERROR                      int
	INVALID_ENUM                  int
	INVALID_VALUE                 int
	INVALID_OPERATION             int
	INVALID_FRAMEBUFFER_OPERATION int
	OUT_OF_MEMORY                 int
	STACK_UNDERFLOW               int
	STACK_OVERFLOW                int

	TRIANGLES      int
	POINTS         int
	LINES          int
	FRONT          int
	BACK           int
	FRONT_AND_BACK int

	KEEP      int
	ZERO      int
	REPLACE   int
	INCR      int
	INCR_WRAP int
	DECR      int
	DECR_WRAP int
	INVERT    int
	NEVER     int
	LESS      int
	LEQUAL    int
	ALWAYS    int
	GREATER   int
	GEQUAL    int
	EQUAL     int
	NOTEQUAL  int

	ONE                      int
	SRC_COLOR                int
	ONE_MINUS_SRC_COLOR      int
	DST_COLOR                int
	ONE_MINUS_DST_COLOR      int
	SRC_ALPHA                int
	ONE_MINUS_SRC_ALPHA      int
	DST_ALPHA                int
	ONE_MINUS_DST_ALPHA      int
	CONSTANT_COLOR           int
	ONE_MINUS_CONSTANT_COLOR int
	CONSTANT_ALPHA           int
	ONE_MINUS_CONSTANT_ALPHA int
	SRC_ALPHA_SATURATE       int

	FUNC_ADD              int
	FUNC_SUBTRACT         int
	FUNC_REVERSE_SUBTRACT int

	DITHER                   int
	SCISSOR_TEST             int
	STENCIL_TEST             int
	DEPTH_TEST               int
	CULL_FACE                int
	BLEND                    int
	SAMPLE_ALPHA_TO_COVERAGE int
	MULTISAMPLE              int

	DEPTH_WRITEMASK              int
	COLOR_CLEAR_VALUE            int
	BLEND_COLOR                  int
	DEPTH_CLEAR_VALUE            int
	STENCIL_CLEAR_VALUE          int
	DEPTH_FUNC                   int
	CULL_FACE_MODE               int
	BLEND_SRC_RGB                int
	BLEND_DST_RGB                int
	BLEND_SRC_ALPHA              int
	BLEND_DST_ALPHA              int
	BLEND_EQUATION_RGB           int
	BLEND_EQUATION_ALPHA         int
	STENCIL_FAIL                 int
	STENCIL_PASS_DEPTH_FAIL      int
	STENCIL_PASS_DEPTH_PASS      int
	STENCIL_BACK_FAIL            int
	STENCIL_BACK_PASS_DEPTH_FAIL int
	STENCIL_BACK_PASS_DEPTH_PASS int

	REPEAT                 int
	CLAMP_TO_EDGE          int
	CLAMP_TO_BORDER        int
	MIRRORED_REPEAT        int
	NEAREST                int
	LINEAR                 int
	NEAREST_MIPMAP_NEAREST int
	LINEAR_MIPMAP_NEAREST  int
	NEAREST_MIPMAP_LINEAR  int
	LINEAR_MIPMAP_LINEAR   int

	FRAMEBUFFER_COMPLETE                      int
	FRAMEBUFFER_INCOMPLETE_ATTACHMENT         int
	FRAMEBUFFER_INCOMPLETE_DIMENSIONS         int
	FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT int
	FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER        int
	FRAMEBUFFER_INCOMPLETE_READ_BUFFER        int
	FRAMEBUFFER_INCOMPLETE_MULTISAMPLE        int
	FRAMEBUFFER_UNSUPPORTED                   int
	FRAMEBUFFER_UNDEFINED                     int

	VERSION                  int
	SHADING_LANGUAGE_VERSION int
	// contains filtered or unexported fields
}

type GraphicsState struct {
	C     *Context
	S     *glutil.CommonState
	Saved *glutil.CommonState
}