Definitions of the following identifiers conflict with those in another file: DEPTH_BUFFER_BIT, STENCIL_BUFFER_BIT, COLOR_BUFFER_BIT, POINTS, LINES, LINE_LOOP, LINE_STRIP, TRIANGLES, TRIANGLE_STRIP, TRIANGLE_FAN, ZERO, ONE, SRC_COLOR, ONE_MINUS_SRC_COLOR, SRC_ALPHA, ONE_MINUS_SRC_ALPHA, DST_ALPHA, ONE_MINUS_DST_ALPHA, DST_COLOR, ONE_MINUS_DST_COLOR, SRC_ALPHA_SATURATE, FUNC_ADD, BLEND_EQUATION, BLEND_EQUATION_RGB, BLEND_EQUATION_ALPHA, FUNC_SUBTRACT, FUNC_REVERSE_SUBTRACT, BLEND_DST_RGB, BLEND_SRC_RGB, BLEND_DST_ALPHA, BLEND_SRC_ALPHA, CONSTANT_COLOR, ONE_MINUS_CONSTANT_COLOR, CONSTANT_ALPHA, ONE_MINUS_CONSTANT_ALPHA, BLEND_COLOR, ARRAY_BUFFER, ELEMENT_ARRAY_BUFFER, ARRAY_BUFFER_BINDING, ELEMENT_ARRAY_BUFFER_BINDING, STREAM_DRAW, STATIC_DRAW, DYNAMIC_DRAW, BUFFER_SIZE, BUFFER_USAGE, CURRENT_VERTEX_ATTRIB, FRONT, BACK, FRONT_AND_BACK, CULL_FACE, BLEND, DITHER, STENCIL_TEST, DEPTH_TEST, SCISSOR_TEST, POLYGON_OFFSET_FILL, SAMPLE_ALPHA_TO_COVERAGE, SAMPLE_COVERAGE, NO_ERROR, INVALID_ENUM, INVALID_VALUE, INVALID_OPERATION, OUT_OF_MEMORY, CW, CCW, LINE_WIDTH, ALIASED_POINT_SIZE_RANGE, ALIASED_LINE_WIDTH_RANGE, CULL_FACE_MODE, FRONT_FACE, DEPTH_RANGE, DEPTH_WRITEMASK, DEPTH_CLEAR_VALUE, DEPTH_FUNC, STENCIL_CLEAR_VALUE, STENCIL_FUNC, STENCIL_FAIL, STENCIL_PASS_DEPTH_FAIL, STENCIL_PASS_DEPTH_PASS, STENCIL_REF, STENCIL_VALUE_MASK, STENCIL_WRITEMASK, STENCIL_BACK_FUNC, STENCIL_BACK_FAIL, STENCIL_BACK_PASS_DEPTH_FAIL, STENCIL_BACK_PASS_DEPTH_PASS, STENCIL_BACK_REF, STENCIL_BACK_VALUE_MASK, STENCIL_BACK_WRITEMASK, VIEWPORT, SCISSOR_BOX, COLOR_CLEAR_VALUE, COLOR_WRITEMASK, UNPACK_ALIGNMENT, PACK_ALIGNMENT, MAX_TEXTURE_SIZE, MAX_VIEWPORT_DIMS, SUBPIXEL_BITS, RED_BITS, GREEN_BITS, BLUE_BITS, ALPHA_BITS, DEPTH_BITS, STENCIL_BITS, POLYGON_OFFSET_UNITS, POLYGON_OFFSET_FACTOR, TEXTURE_BINDING_2D, SAMPLE_BUFFERS, SAMPLES, SAMPLE_COVERAGE_VALUE, SAMPLE_COVERAGE_INVERT, COMPRESSED_TEXTURE_FORMATS, DONT_CARE, FASTEST, NICEST, GENERATE_MIPMAP_HINT, BYTE, UNSIGNED_BYTE, SHORT, UNSIGNED_SHORT, INT, UNSIGNED_INT, FLOAT, DEPTH_COMPONENT, ALPHA, RGB, RGBA, LUMINANCE, LUMINANCE_ALPHA, UNSIGNED_SHORT_4_4_4_4, UNSIGNED_SHORT_5_5_5_1, UNSIGNED_SHORT_5_6_5, FRAGMENT_SHADER, VERTEX_SHADER, MAX_VERTEX_ATTRIBS, MAX_VERTEX_UNIFORM_VECTORS, MAX_VARYING_VECTORS, MAX_COMBINED_TEXTURE_IMAGE_UNITS, MAX_VERTEX_TEXTURE_IMAGE_UNITS, MAX_TEXTURE_IMAGE_UNITS, MAX_FRAGMENT_UNIFORM_VECTORS, SHADER_TYPE, DELETE_STATUS, LINK_STATUS, VALIDATE_STATUS, ATTACHED_SHADERS, ACTIVE_UNIFORMS, ACTIVE_ATTRIBUTES, SHADING_LANGUAGE_VERSION, CURRENT_PROGRAM, NEVER, LESS, EQUAL, LEQUAL, GREATER, NOTEQUAL, GEQUAL, ALWAYS, KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, DECR_WRAP, VENDOR, RENDERER, VERSION, NEAREST, LINEAR, NEAREST_MIPMAP_NEAREST, LINEAR_MIPMAP_NEAREST, NEAREST_MIPMAP_LINEAR, LINEAR_MIPMAP_LINEAR, TEXTURE_MAG_FILTER, TEXTURE_MIN_FILTER, TEXTURE_WRAP_S, TEXTURE_WRAP_T, TEXTURE_2D, TEXTURE, TEXTURE_CUBE_MAP, TEXTURE_BINDING_CUBE_MAP, TEXTURE_CUBE_MAP_POSITIVE_X, TEXTURE_CUBE_MAP_NEGATIVE_X, TEXTURE_CUBE_MAP_POSITIVE_Y, TEXTURE_CUBE_MAP_NEGATIVE_Y, TEXTURE_CUBE_MAP_POSITIVE_Z, TEXTURE_CUBE_MAP_NEGATIVE_Z, MAX_CUBE_MAP_TEXTURE_SIZE, TEXTURE0, TEXTURE1, TEXTURE2, TEXTURE3, TEXTURE4, TEXTURE5, TEXTURE6, TEXTURE7, TEXTURE8, TEXTURE9, TEXTURE10, TEXTURE11, TEXTURE12, TEXTURE13, TEXTURE14, TEXTURE15, TEXTURE16, TEXTURE17, TEXTURE18, TEXTURE19, TEXTURE20, TEXTURE21, TEXTURE22, TEXTURE23, TEXTURE24, TEXTURE25, TEXTURE26, TEXTURE27, TEXTURE28, TEXTURE29, TEXTURE30, TEXTURE31, ACTIVE_TEXTURE, REPEAT, CLAMP_TO_EDGE, MIRRORED_REPEAT, FLOAT_VEC2, FLOAT_VEC3, FLOAT_VEC4, INT_VEC2, INT_VEC3, INT_VEC4, BOOL, BOOL_VEC2, BOOL_VEC3, BOOL_VEC4, FLOAT_MAT2, FLOAT_MAT3, FLOAT_MAT4, SAMPLER_2D, SAMPLER_CUBE, VERTEX_ATTRIB_ARRAY_ENABLED, VERTEX_ATTRIB_ARRAY_SIZE, VERTEX_ATTRIB_ARRAY_STRIDE, VERTEX_ATTRIB_ARRAY_TYPE, VERTEX_ATTRIB_ARRAY_NORMALIZED, VERTEX_ATTRIB_ARRAY_POINTER, VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, IMPLEMENTATION_COLOR_READ_TYPE, IMPLEMENTATION_COLOR_READ_FORMAT, COMPILE_STATUS, LOW_FLOAT, MEDIUM_FLOAT, HIGH_FLOAT, LOW_INT, MEDIUM_INT, HIGH_INT, FRAMEBUFFER, RENDERBUFFER, RGBA4, RGB5_A1,