-static const char *glErrorToString(GLenum e)
-{
-#define CASE(name) case name: return #name
- switch (e) {
- CASE(GL_NO_ERROR);
- CASE(GL_INVALID_ENUM);
- CASE(GL_INVALID_VALUE);
- CASE(GL_INVALID_OPERATION);
-#ifndef CON_GLES2
- CASE(GL_STACK_OVERFLOW);
- CASE(GL_STACK_UNDERFLOW);
-#endif
- CASE(GL_OUT_OF_MEMORY);
- default: return "<unknown>";
- }
-#undef CASE
-}
-
-static void checkGlError(const char *what)
-{
- GLenum e = glGetError();
- if (e == GL_NO_ERROR) return;
- fprintf(stderr, "GL error %d (%s): %s\n", e, glErrorToString(e), what);
- exit(1);
-}
-