From: Ralf Jung <post@ralfj.de>
Date: Tue, 2 Apr 2013 14:15:15 +0000 (+0200)
Subject: Explicitly set clear color
X-Git-Url: https://git.ralfj.de/gltest.git/commitdiff_plain/14716b59eedd024453c5d904a619d63a0f0fed85?ds=sidebyside

Explicitly set clear color
---

diff --git a/gltest.cpp b/gltest.cpp
index ed45ac6..feb794f 100644
--- a/gltest.cpp
+++ b/gltest.cpp
@@ -99,15 +99,16 @@ protected:
 	
 	virtual void resizeGL(unsigned int width, unsigned int height)
 	{
-		/* prevent divide-by-zero */                      
-		if (height == 0)                                  
-			height = 1;                                   
+		// prevent divide-by-zero
+		if (height == 0)
+			height = 1;
 		glViewport(0, 0, width, height);
-		glMatrixMode(GL_PROJECTION);                      
-		glLoadIdentity();                                 
+		glMatrixMode(GL_PROJECTION);
+		glLoadIdentity();
 		glOrtho (0, 1, 1, 0, 0, 1);
-		glMatrixMode(GL_MODELVIEW);      
-		glClear(GL_COLOR_BUFFER_BIT);                                                 
+		glMatrixMode(GL_MODELVIEW);
+		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+		glClear(GL_COLOR_BUFFER_BIT);
 		glFlush();
 	}