#ifndef CR_STATE_REGCOMBINER_H

#define CR_STATE_REGCOMBINER_H

#include "state/cr_statetypes.h"

#include "state/cr_limits.h"

#include <iprt/cdefs.h>

#ifdef __cplusplus

extern "C" {

#endif

typedef struct {

GLenum a, b, c, d;

GLenum aMapping, bMapping, cMapping, dMapping;

GLenum aPortion, bPortion, cPortion, dPortion;

GLenum scale, bias;

GLenum abOutput, cdOutput, sumOutput;

GLboolean abDotProduct, cdDotProduct, muxSum;

} CRRegCombinerPortionState;

typedef struct {

GLboolean enabledRegCombiners;

GLboolean enabledPerStageConstants;

GLcolorf constantColor0;

GLcolorf constantColor1;

GLcolorf stageConstantColor0[CR_MAX_GENERAL_COMBINERS];

GLcolorf stageConstantColor1[CR_MAX_GENERAL_COMBINERS];

GLboolean colorSumClamp;

GLint numGeneralCombiners;

CRRegCombinerPortionState rgb[CR_MAX_GENERAL_COMBINERS];

CRRegCombinerPortionState alpha[CR_MAX_GENERAL_COMBINERS];

GLenum a, b, c, d, e, f, g;

GLenum aMapping, bMapping, cMapping, dMapping, eMapping, fMapping, gMapping;

GLenum aPortion, bPortion, cPortion, dPortion, ePortion, fPortion, gPortion;

} CRRegCombinerState;

typedef struct {

CRbitvalue dirty[CR_MAX_BITARRAY];

CRbitvalue enable[CR_MAX_BITARRAY];

CRbitvalue regCombinerVars[CR_MAX_BITARRAY]; /* numGeneralCombiners, colorSumClamp */

CRbitvalue regCombinerColor0[CR_MAX_BITARRAY];

CRbitvalue regCombinerColor1[CR_MAX_BITARRAY];

CRbitvalue regCombinerStageColor0[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];

CRbitvalue regCombinerStageColor1[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];

CRbitvalue regCombinerInput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].a/b/c/d, .aMapping, .aPortion */

CRbitvalue regCombinerOutput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].abOutput, .cdOutput, .sumOutput, .scale, .bias, .abDotProduct, .cdDotProduct, .muxSum */

CRbitvalue regCombinerFinalInput[CR_MAX_BITARRAY]; /* a/b/c/d/e/f/g, aMapping, aPortion */

} CRRegCombinerBits;

DECLEXPORT(void) crStateRegCombinerInit( CRContext *ctx );

DECLEXPORT(void) crStateRegCombinerDiff(CRRegCombinerBits *b, CRbitvalue *bitID,

CRContext *fromCtx, CRContext *toCtx);

DECLEXPORT(void) crStateRegCombinerSwitch( CRRegCombinerBits *b, CRbitvalue *bitID,

CRContext *fromCtx, CRContext *toCtx );

#ifdef __cplusplus

}

#endif

#endif /* CR_STATE_REGCOMBINER_H */