| 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_EVALUATORS
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| 8 | #define CR_STATE_EVALUATORS
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| 9 |
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| 10 | #include "state/cr_statetypes.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 | #define GLEVAL_TOT 9
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| 15 | #define MAX_EVAL_ORDER 30
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| 16 |
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| 17 | #ifdef __cplusplus
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| 18 | extern "C" {
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| 19 | #endif
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| 20 |
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| 21 | typedef struct {
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| 22 | CRbitvalue eval1D[GLEVAL_TOT][CR_MAX_BITARRAY];
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| 23 | CRbitvalue eval2D[GLEVAL_TOT][CR_MAX_BITARRAY];
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| 24 | CRbitvalue enable[CR_MAX_BITARRAY];
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| 25 | CRbitvalue enable1D[GLEVAL_TOT][CR_MAX_BITARRAY];
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| 26 | CRbitvalue enable2D[GLEVAL_TOT][CR_MAX_BITARRAY];
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| 27 | CRbitvalue grid1D[CR_MAX_BITARRAY];
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| 28 | CRbitvalue grid2D[CR_MAX_BITARRAY];
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| 29 | CRbitvalue dirty[CR_MAX_BITARRAY];
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| 30 | #ifdef CR_NV_vertex_program
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| 31 | CRbitvalue enableAttrib1D[CR_MAX_VERTEX_ATTRIBS];
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| 32 | CRbitvalue enableAttrib2D[CR_MAX_VERTEX_ATTRIBS];
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| 33 | #endif
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| 34 | } CREvaluatorBits;
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| 35 |
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| 36 | typedef struct {
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| 37 | GLfloat u1, u2;
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| 38 | GLfloat du;
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| 39 | GLint order;
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| 40 | GLfloat *coeff;
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| 41 | } CREvaluator1D;
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| 42 |
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| 43 | typedef struct {
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| 44 | GLfloat u1, u2;
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| 45 | GLfloat v1, v2;
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| 46 | GLfloat du, dv;
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| 47 | GLint uorder;
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| 48 | GLint vorder;
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| 49 | GLfloat *coeff;
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| 50 | } CREvaluator2D;
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| 51 |
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| 52 | typedef struct {
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| 53 | GLboolean enable1D[GLEVAL_TOT];
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| 54 | GLboolean enable2D[GLEVAL_TOT];
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| 55 | #ifdef CR_NV_vertex_program
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| 56 | GLboolean enableAttrib1D[CR_MAX_VERTEX_ATTRIBS];
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| 57 | GLboolean enableAttrib2D[CR_MAX_VERTEX_ATTRIBS];
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| 58 | #endif
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| 59 | GLboolean autoNormal;
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| 60 |
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| 61 | CREvaluator1D eval1D[GLEVAL_TOT];
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| 62 | CREvaluator2D eval2D[GLEVAL_TOT];
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| 63 | #ifdef CR_NV_vertex_program
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| 64 | CREvaluator1D attribEval1D[CR_MAX_VERTEX_ATTRIBS];
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| 65 | CREvaluator2D attribEval2D[CR_MAX_VERTEX_ATTRIBS];
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| 66 | #endif
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| 67 |
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| 68 | GLint un1D; /* GL_MAP1_GRID_SEGMENTS */
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| 69 | GLfloat u11D, u21D; /* GL_MAP1_GRID_DOMAIN */
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| 70 |
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| 71 | GLint un2D; /* GL_MAP2_GRID_SEGMENTS (u) */
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| 72 | GLint vn2D; /* GL_MAP2_GRID_SEGMENTS (v) */
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| 73 | GLfloat u12D, u22D; /* GL_MAP2_GRID_DOMAIN (u) */
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| 74 | GLfloat v12D, v22D; /* GL_MAP2_GRID_DOMAIN (v) */
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| 75 | } CREvaluatorState;
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| 76 |
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| 77 | extern const int gleval_sizes[];
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| 78 |
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| 79 | DECLEXPORT(void) crStateEvaluatorInit (CRContext *ctx);
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| 80 | DECLEXPORT(void) crStateEvaluatorDestroy (CRContext *ctx);
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| 81 |
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| 82 | DECLEXPORT(void) crStateEvaluatorDiff(CREvaluatorBits *e, CRbitvalue *bitID,
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| 83 | CRContext *fromCtx, CRContext *toCtx);
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| 84 | DECLEXPORT(void) crStateEvaluatorSwitch(CREvaluatorBits *e, CRbitvalue *bitID,
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| 85 | CRContext *fromCtx, CRContext *toCtx);
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| 86 |
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| 87 | #ifdef __cplusplus
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| 88 | }
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| 89 | #endif
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| 90 |
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| 91 | #endif /* CR_STATE_EVALUATORS */
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