| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #ifndef CR_STATE_CURRENT_H
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| 8 | #define CR_STATE_CURRENT_H
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| 9 |
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| 10 | #include "state/cr_currentpointers.h"
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| 11 |
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| 12 | #include <iprt/cdefs.h>
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| 13 |
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| 14 | #ifdef __cplusplus
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| 15 | extern "C" {
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| 16 | #endif
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| 17 |
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| 18 |
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| 19 | #define VERT_ATTRIB_POS 0
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| 20 | #define VERT_ATTRIB_WEIGHT 1
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| 21 | #define VERT_ATTRIB_NORMAL 2
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| 22 | #define VERT_ATTRIB_COLOR0 3
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| 23 | #define VERT_ATTRIB_COLOR1 4
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| 24 | #define VERT_ATTRIB_FOG 5
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| 25 | #define VERT_ATTRIB_SIX 6
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| 26 | #define VERT_ATTRIB_SEVEN 7
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| 27 | #define VERT_ATTRIB_TEX0 8
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| 28 | #define VERT_ATTRIB_TEX1 9
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| 29 | #define VERT_ATTRIB_TEX2 10
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| 30 | #define VERT_ATTRIB_TEX3 11
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| 31 | #define VERT_ATTRIB_TEX4 12
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| 32 | #define VERT_ATTRIB_TEX5 13
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| 33 | #define VERT_ATTRIB_TEX6 14
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| 34 | #define VERT_ATTRIB_TEX7 15
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| 35 | #define VERT_ATTRIB_MAX 16
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| 36 |
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| 37 |
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| 38 | typedef struct {
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| 39 | CRbitvalue dirty[CR_MAX_BITARRAY];
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| 40 | /* Regardless of NV_vertex_program, we use this array */
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| 41 | CRbitvalue vertexAttrib[CR_MAX_VERTEX_ATTRIBS][CR_MAX_BITARRAY];
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| 42 | CRbitvalue edgeFlag[CR_MAX_BITARRAY];
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| 43 | CRbitvalue colorIndex[CR_MAX_BITARRAY];
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| 44 | CRbitvalue rasterPos[CR_MAX_BITARRAY];
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| 45 | } CRCurrentBits;
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| 46 |
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| 47 |
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| 48 | typedef struct {
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| 49 | /* Pre-transform values */
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| 50 | /* Regardless of NV_vertex_program, we use this array */
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| 51 | GLfloat attrib[CR_MAX_VERTEX_ATTRIBS][4];
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| 52 | GLboolean edgeFlag;
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| 53 | GLfloat colorIndex;
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| 54 | /* Post-transform values */
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| 55 | GLvectorf eyePos;
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| 56 | GLvectorf clipPos;
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| 57 | GLvectorf winPos;
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| 58 | } CRVertex;
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| 59 |
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| 60 |
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| 61 | typedef struct {
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| 62 | /* Regardless of NV_vertex_program, we use this array */
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| 63 | GLfloat vertexAttrib[CR_MAX_VERTEX_ATTRIBS][4];
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| 64 | GLfloat vertexAttribPre[CR_MAX_VERTEX_ATTRIBS][4];
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| 65 |
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| 66 | CRCurrentStatePointers *current;
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| 67 |
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| 68 | GLboolean rasterValid;
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| 69 | GLfloat rasterAttrib[CR_MAX_VERTEX_ATTRIBS][4];
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| 70 | GLfloat rasterAttribPre[CR_MAX_VERTEX_ATTRIBS][4];
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| 71 |
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| 72 | GLdouble rasterIndex;
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| 73 | GLboolean edgeFlag;
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| 74 | GLboolean edgeFlagPre;
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| 75 | GLfloat colorIndex;
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| 76 | GLfloat colorIndexPre;
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| 77 |
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| 78 | /* XXX this isn't really "current" state - move someday */
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| 79 | GLuint attribsUsedMask; /* for ARB_vertex_program */
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| 80 | GLboolean inBeginEnd;
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| 81 | GLenum mode;
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| 82 | GLuint beginEndMax;
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| 83 | GLuint beginEndNum;
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| 84 | GLuint flushOnEnd;
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| 85 |
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| 86 | } CRCurrentState;
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| 87 |
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| 88 | DECLEXPORT(void) crStateCurrentInit( CRContext *ctx );
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| 89 |
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| 90 | DECLEXPORT(void) crStateCurrentRecover( void );
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| 91 |
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| 92 | DECLEXPORT(void) crStateCurrentDiff(CRCurrentBits *bb, CRbitvalue *bitID,
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| 93 | CRContext *fromCtx, CRContext *toCtx);
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| 94 | DECLEXPORT(void) crStateCurrentSwitch(CRCurrentBits *bb, CRbitvalue *bitID,
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| 95 | CRContext *fromCtx, CRContext *toCtx);
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| 96 |
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| 97 | DECLEXPORT(void) crStateRasterPosUpdate(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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| 98 |
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| 99 | #ifdef __cplusplus
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| 100 | }
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| 101 | #endif
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| 102 |
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| 103 | #endif /* CR_STATE_CURRENT_H */
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