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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_CURRENT_H
#define CR_STATE_CURRENT_H
#include "state/cr_currentpointers.h"
#include <iprt/cdefs.h>
#ifdef __cplusplus
extern "C" {
#endif
#define VERT_ATTRIB_POS 0
#define VERT_ATTRIB_WEIGHT 1
#define VERT_ATTRIB_NORMAL 2
#define VERT_ATTRIB_COLOR0 3
#define VERT_ATTRIB_COLOR1 4
#define VERT_ATTRIB_FOG 5
#define VERT_ATTRIB_SIX 6
#define VERT_ATTRIB_SEVEN 7
#define VERT_ATTRIB_TEX0 8
#define VERT_ATTRIB_TEX1 9
#define VERT_ATTRIB_TEX2 10
#define VERT_ATTRIB_TEX3 11
#define VERT_ATTRIB_TEX4 12
#define VERT_ATTRIB_TEX5 13
#define VERT_ATTRIB_TEX6 14
#define VERT_ATTRIB_TEX7 15
#define VERT_ATTRIB_MAX 16
typedef struct {
CRbitvalue dirty[CR_MAX_BITARRAY];
/* Regardless of NV_vertex_program, we use this array */
CRbitvalue vertexAttrib[CR_MAX_VERTEX_ATTRIBS][CR_MAX_BITARRAY];
CRbitvalue edgeFlag[CR_MAX_BITARRAY];
CRbitvalue colorIndex[CR_MAX_BITARRAY];
CRbitvalue rasterPos[CR_MAX_BITARRAY];
} CRCurrentBits;
typedef struct {
/* Pre-transform values */
/* Regardless of NV_vertex_program, we use this array */
GLfloat attrib[CR_MAX_VERTEX_ATTRIBS][4];
GLboolean edgeFlag;
GLfloat colorIndex;
/* Post-transform values */
GLvectorf eyePos;
GLvectorf clipPos;
GLvectorf winPos;
} CRVertex;
typedef struct {
/* Regardless of NV_vertex_program, we use this array */
GLfloat vertexAttrib[CR_MAX_VERTEX_ATTRIBS][4];
GLfloat vertexAttribPre[CR_MAX_VERTEX_ATTRIBS][4];
CRCurrentStatePointers *current;
GLboolean rasterValid;
GLfloat rasterAttrib[CR_MAX_VERTEX_ATTRIBS][4];
GLfloat rasterAttribPre[CR_MAX_VERTEX_ATTRIBS][4];
GLdouble rasterIndex;
GLboolean edgeFlag;
GLboolean edgeFlagPre;
GLfloat colorIndex;
GLfloat colorIndexPre;
/* XXX this isn't really "current" state - move someday */
GLuint attribsUsedMask; /* for ARB_vertex_program */
GLboolean inBeginEnd;
GLenum mode;
GLuint beginEndMax;
GLuint beginEndNum;
GLuint flushOnEnd;
} CRCurrentState;
DECLEXPORT(void) crStateCurrentInit( CRContext *ctx );
DECLEXPORT(void) crStateCurrentRecover( void );
DECLEXPORT(void) crStateCurrentRecoverNew(CRContext *g, CRCurrentStatePointers *current);
DECLEXPORT(void) crStateCurrentDiff(CRCurrentBits *bb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx);
DECLEXPORT(void) crStateCurrentSwitch(CRCurrentBits *bb, CRbitvalue *bitID,
CRContext *fromCtx, CRContext *toCtx);
DECLEXPORT(void) crStateRasterPosUpdate(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
DECLEXPORT(GLuint) crStateNeedDummyZeroVertexArray(CRContext *g, CRCurrentStatePointers *current, GLfloat *pZva);
#ifdef __cplusplus
}
#endif
#endif /* CR_STATE_CURRENT_H */
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