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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_VIEWPORT_H
#define CR_STATE_VIEWPORT_H
#include "state/cr_statetypes.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
CRbitvalue dirty[CR_MAX_BITARRAY];
CRbitvalue v_dims[CR_MAX_BITARRAY];
CRbitvalue s_dims[CR_MAX_BITARRAY];
CRbitvalue enable[CR_MAX_BITARRAY];
CRbitvalue depth[CR_MAX_BITARRAY];
} CRViewportBits;
typedef struct {
/* Viewport state */
GLint viewportX;
GLint viewportY;
GLint viewportW;
GLint viewportH;
GLclampd nearClip;
GLclampd farClip;
GLboolean viewportValid;
/* Scissor state */
GLboolean scissorTest;
GLint scissorX;
GLint scissorY;
GLsizei scissorW;
GLsizei scissorH;
GLboolean scissorValid;
} CRViewportState;
DECLEXPORT(void) crStateViewportInit(CRContext *ctx);
DECLEXPORT(void) crStateViewportApply( CRViewportState *v, GLvectorf *p );
DECLEXPORT(void) crStateViewportMakeCurrent(CRViewportState *v, CRViewportBits *vb);
DECLEXPORT(void) crStateViewportDiff(CRViewportBits *bb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx);
DECLEXPORT(void) crStateViewportSwitch(CRViewportBits *bb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx);
#ifdef __cplusplus
}
#endif
#endif /* CR_STATE_VIEWPORT_H */
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