From: Ian Romanick <idr@us.ibm.com>
Date: Mon, 14 Mar 2005 22:09:31 +0000 (+0000)
Subject: If setting GL_PACK_INVERT_MESA results in a GL error, log it.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7457a648d28a49a58d2f626dcbd82d30506c7679;p=mesa.git

If setting GL_PACK_INVERT_MESA results in a GL error, log it.
---

diff --git a/progs/tests/invert.c b/progs/tests/invert.c
index 5f196c98179..750592ed79f 100644
--- a/progs/tests/invert.c
+++ b/progs/tests/invert.c
@@ -56,6 +56,9 @@ PFNGLWINDOWPOS2IPROC win_pos_2i = NULL;
 
 static void Display( void )
 {
+   GLint err;
+
+
    glClearColor(0.2, 0.2, 0.8, 0);
    glClear( GL_COLOR_BUFFER_BIT );
 
@@ -67,11 +70,23 @@ static void Display( void )
    glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, image );
 
    glPixelStorei( GL_PACK_INVERT_MESA, GL_FALSE );
+   err = glGetError();
+   if ( err != GL_NO_ERROR ) {
+      printf( "Setting PACK_INVERT_MESA to false generated an error (0x%04x).\n",
+	      err );
+   }
+
    glReadPixels( 5, 5, img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
    (*win_pos_2i)( 5 + 1 * (10 + img_width), 5 );
    glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
 
    glPixelStorei( GL_PACK_INVERT_MESA, GL_TRUE );
+   err = glGetError();
+   if ( err != GL_NO_ERROR ) {
+      printf( "Setting PACK_INVERT_MESA to true generated an error (0x%04x).\n",
+	      err );
+   }
+
    glReadPixels( 5, 5, img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );
    (*win_pos_2i)( 5 + 2 * (10 + img_width), 5 );
    glDrawPixels( img_width, img_height, img_format, GL_UNSIGNED_BYTE, temp_image );