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#include "debuggl.h"
#include <GL/gl.h>
#include <stdio.h>
int debuggl_check_call(
char const * const file,
char const * const func,
unsigned int const line,
char const * const what)
{
int errors = 0;
GLenum err;
while( (err = glGetError()) != GL_NO_ERROR) {
++errors;
char const * errstr = NULL;
switch( err ) {
case GL_INVALID_ENUM: errstr = "invalid enum"; break;
case GL_INVALID_VALUE: errstr = "invalid value"; break;
case GL_INVALID_OPERATION: errstr = "invalid operation"; break;
case GL_STACK_OVERFLOW: errstr = "invalid overflow"; break;
case GL_STACK_UNDERFLOW: errstr = "invalid underflow"; break;
case GL_OUT_OF_MEMORY: errstr = "invalid memory"; break;
}
fprintf(stderr,
"%s(%d)/%s: %s => OpenGL Error: %s\n",
file, (int)line, func, what,
errstr );
}
return errors;
}
int debuggl_trace_call(
char const * const file,
char const * const func,
unsigned int const line,
char const * const what)
{
int errors = 0;
GLenum err;
do {
err = glGetError();
char const * errstr = NULL;
switch( err ) {
case GL_INVALID_ENUM: errstr = "invalid enum"; break;
case GL_INVALID_VALUE: errstr = "invalid value"; break;
case GL_INVALID_OPERATION: errstr = "invalid operation"; break;
case GL_STACK_OVERFLOW: errstr = "invalid overflow"; break;
case GL_STACK_UNDERFLOW: errstr = "invalid underflow"; break;
case GL_OUT_OF_MEMORY: errstr = "invalid memory"; break;
}
if( errstr ) {
++errors;
fprintf(stderr,
"%s(%d)/%s: %s => OpenGL Error: %s\n",
file, (int)line, func, what,
errstr );
}
else {
fprintf(stderr,
"%s(%d): %s OK\n",
func, (int)line, what);
}
} while( GL_NO_ERROR != err );
return errors;
}
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