Make the error printed on check_error() slightly friendlier: Include the enum if...

[movit] / util.cpp

diff --git a/util.cpp b/util.cpp
index 3141f8d2c5eb388aec128f31b6218c06c0b1bb8d..3bbc86963f33b35d624daf833e675799ff040dbf 100644 (file)
--- a/util.cpp
+++ b/util.cpp
@@ -354,4 +354,39 @@ void *get_gl_context_identifier()
 #endif
 }
 
+void abort_gl_error(GLenum err, const char *filename, int line)
+{
+       const char *err_text = "unknown";
+
+       // All errors listed in the glGetError(3G) man page.
+       switch (err) {
+       case GL_NO_ERROR:
+               err_text = "GL_NO_ERROR";  // Should not happen.
+               break;
+       case GL_INVALID_ENUM:
+               err_text = "GL_INVALID_ENUM";
+               break;
+       case GL_INVALID_VALUE:
+               err_text = "GL_INVALID_VALUE";
+               break;
+       case GL_INVALID_OPERATION:
+               err_text = "GL_INVALID_OPERATION";
+               break;
+       case GL_INVALID_FRAMEBUFFER_OPERATION:
+               err_text = "GL_INVALID_FRAMEBUFFER_OPERATION";
+               break;
+       case GL_OUT_OF_MEMORY:
+               err_text = "GL_OUT_OF_MEMORY";
+               break;
+       case GL_STACK_UNDERFLOW:
+               err_text = "GL_STACK_UNDERFLOW";
+               break;
+       case GL_STACK_OVERFLOW:
+               err_text = "GL_STACK_OVERFLOW";
+               break;
+       }
+       fprintf(stderr, "GL error 0x%x (%s) at %s:%d\n", err, err_text, filename, line);
+       abort();
+}
+
 }  // namespace movit