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more robust error message handling

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This commit is contained in:
David Rose 2002-03-26 00:36:44 +00:00
parent 3790f2756c
commit bf62f009f8
1 changed files with 7 additions and 1 deletions
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8
panda/src/glgsg/glGraphicsStateGuardian.cxx
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@ -3937,7 +3937,13 @@ void report_errors_loop(GLenum error_code) {
#define MAXGLERRORSREPORTED 20
int cnt=0;
while ((cnt<MAXGLERRORSREPORTED) && (error_code != GL_NO_ERROR)) {
glgsg_cat.error() << gluErrorString(error_code) << "\n";
const GLubyte *error_string = gluErrorString(error_code);
if (error_string != (const GLubyte *)NULL) {
glgsg_cat.error() << error_string << "\n";
} else {
glgsg_cat.error()
<< "Error number " << (int)error_code << "; no string available.\n";
}
error_code = glGetError();
cnt++;
}