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#ifndef TR_CONTEXT_H
#define TR_CONTEXT_H

#include "glheader.h"
#include "glapitable.h"

#define TR_MAX_QUEUED_ERRORS 8


/**
 * State Variables.
 * To make this thread-safe we'd maintain such
 *  a set per thread/context.
 */
typedef struct t_t{

        GLboolean                traceEnabled;

        /* The current log file pointer. */
        FILE *                   logFP;      

        char *                   traceName;

        /* What frame we're currently on. */
        GLint                    framecounter;

        /* Not yet used.  This field will control which attributes should be logged. */
        GLbitfield               traceAttribLogBits;

        GLbitfield               traceEnableLogBits;

        /* Used to short-circuit writing to the file, if the disk is full */
        GLboolean                trDoPrint;

        /* Used to toggle whether the gl command should
         * actually be executed.  For now this will always be true.
         */
        GLboolean                doExec;
 
        /* Verify GL_NO_ERROR wherever possible. */
        GLboolean                check_errors;

        /* Loop over all GL errors.
         * TODO: We have to make sure the application gets
         *  the exact same errors despite our checking.
         *  That basically means we have to queue all
         *  errors from our internal checks.
         */
        GLint                    head_errors;
        GLint                    tail_errors;

        GLenum                   cached_errors[TR_MAX_QUEUED_ERRORS];

        /* Not yet used.  The 1st of many state flags used to
         * track the current state of the GL state machine.
         */
        GLboolean                betweenBeginEnd;

#if 0
        GLboolean                doAsserts;
        GLboolean                clientStateValid;
#endif

} trace_context_t;


extern void trInitContext( trace_context_t * tr_context );

extern trace_context_t*  trCtx( void );

extern struct _glapi_table* trGetDispatch( void );

extern void trSetTraceDispatch( void );

extern void trSetOriginalDispatch( void );

extern GLboolean trDoErrorCheck( void );


#endif