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OPENGL: Properly query for OpenGL errors.

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There might be various error flags and we need to clear all of them to get
precise error results. Thus, we need to call glGetError in a loop to achieve
that.
This commit is contained in:
Johannes Schickel 2014-01-21 23:52:20 +01:00
parent 10a3b3e960
commit 0f36a56b81
1 changed files with 2 additions and 2 deletions
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4
backends/graphics/opengl/debug.cpp
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@ -52,9 +52,9 @@ Common::String getGLErrStr(GLenum error) {
} // End of anonymous namespace
void checkGLError(const char *expr, const char *file, int line) {
GLenum error = glGetError();
GLenum error;
if (error != GL_NO_ERROR) {
while ((error = glGetError()) != GL_NO_ERROR) {
// We cannot use error here because we do not know whether we have a
// working screen or not.
warning("GL ERROR: %s on %s (%s:%d)", getGLErrStr(error).c_str(), expr, file, line);