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/* Copyright (c) 2001, Stanford University
* All rights reserved.
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#ifndef CR_STATE_FEEDBACK_H
#define CR_STATE_FEEDBACK_H
#include "state/cr_statetypes.h"
#include <iprt/cdefs.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_NAME_STACK_DEPTH 64
typedef struct {
CRbitvalue dirty[CR_MAX_BITARRAY];
} CRFeedbackBits;
typedef struct {
CRbitvalue dirty[CR_MAX_BITARRAY];
} CRSelectionBits;
typedef struct {
GLenum type;
GLuint mask;
GLfloat *buffer;
GLuint bufferSize;
GLuint count;
} CRFeedbackState;
typedef struct {
GLuint *buffer;
GLuint bufferSize;
GLuint bufferCount;
GLuint hits;
GLuint nameStackDepth;
GLuint nameStack[MAX_NAME_STACK_DEPTH];
GLboolean hitFlag;
GLfloat hitMinZ, hitMaxZ;
} CRSelectionState;
extern DECLEXPORT(void) crStateFeedbackDiff(CRFeedbackState *from, CRFeedbackState *to,
CRFeedbackBits *bb, CRbitvalue *bitID);
extern DECLEXPORT(void) crStateFeedbackSwitch(CRFeedbackBits *bb, CRbitvalue *bitID,
CRFeedbackState *from, CRFeedbackState *to);
#ifdef __cplusplus
}
#endif
#endif /* CR_STATE_FEEDBACK_H */
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