medfall

commit 27f3249e824bca366e6447d426883eb9166efcc0
parent fea53becc2ff8f2fa5137e40e75beaac39af9829
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat Feb  6 17:08:19 +0000

Add GL object leak checker

Diffstat:
gl.cc
 | 
20
++++++++++++++++++++
1 file changed, 20 insertions(+), 0 deletions(-)
diff --git a/gl.cc b/gl.cc
@@ -114,6 +114,26 @@ GLFWwindow * gl_init() {
 	return window;
 }
 
+// https://gist.github.com/rygorous/9559632
+static void gl_check_for_leaks() {
+	GLuint max_id = 10000; // better idea would be to keep track of assigned names.
+
+	// if brute force doesn't work, you're not applying it hard enough
+	for( GLuint id = 1 ; id <= max_id ; id++ ) {
+#define CHECK( type ) if ( glIs##type( id ) ) fprintf( stderr, "GLX: leaked " #type " handle 0x%x\n", (unsigned int) id )
+		CHECK( Texture );
+		CHECK( Buffer );
+		CHECK( Framebuffer );
+		CHECK( Renderbuffer );
+		CHECK( VertexArray );
+		CHECK( Shader );
+		CHECK( Program );
+		CHECK( ProgramPipeline );
+#undef CHECK
+	}
+}
+
 void gl_term() {
+	gl_check_for_leaks();
 	glfwTerminate();
 }