#define check_error() { int err = glGetError(); if (err != GL_NO_ERROR) { printf("GL error 0x%x at %s:%d\n", err, __FILE__, __LINE__); exit(1); } }
#endif
-#ifdef __GNUC__
-#define MUST_CHECK_RESULT __attribute__((warn_unused_result))
-#else
-#define MUST_CHECK_RESULT
-#endif
-
// CHECK() is like assert(), but retains any side effects no matter the compilation mode.
#ifdef NDEBUG
#define CHECK(x) (void)(x)