include/state/cr_stencil.h

	cr_stencil.h revision e0e0c19eefceaf5d4ec40f9466b58a771f50e799
/* Copyright (c) 2001, Stanford University
 * All rights reserved.
 *
 * See the file LICENSE.txt for information on redistributing this software.
 */

#ifndef CR_STATE_STENCIL_H
#define CR_STATE_STENCIL_H

#include "cr_glstate.h"
#include "state/cr_statetypes.h"

#include <iprt/cdefs.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    CRbitvalue dirty[CR_MAX_BITARRAY];
    CRbitvalue enable[CR_MAX_BITARRAY];
    CRbitvalue func[CR_MAX_BITARRAY];
    CRbitvalue op[CR_MAX_BITARRAY];
    CRbitvalue clearValue[CR_MAX_BITARRAY];
    CRbitvalue writeMask[CR_MAX_BITARRAY];
} CRStencilBits;

typedef struct {
    GLboolean   stencilTest;
    GLenum      func;
    GLint       mask;
    GLint       ref;
    GLenum      fail;
    GLenum      passDepthFail;
    GLenum      passDepthPass;
    GLint       clearValue;
    GLint       writeMask;
} CRStencilState;

DECLEXPORT(void) crStateStencilInit(CRContext *ctx);

DECLEXPORT(void) crStateStencilDiff(CRStencilBits *bb, CRbitvalue *bitID,
                                    CRContext *fromCtx, CRContext *toCtx);
DECLEXPORT(void) crStateStencilSwitch(CRStencilBits *bb, CRbitvalue *bitID,
                                      CRContext *fromCtx, CRContext *toCtx);

#ifdef __cplusplus
}
#endif

#endif /* CR_STATE_STENCIL_H */