| 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_CLIENT_H
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| 8 | #define CR_STATE_CLIENT_H
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| 9 |
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| 10 | #include "state/cr_statetypes.h"
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| 11 | #include "state/cr_limits.h"
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| 12 | #include "state/cr_bufferobject.h"
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| 13 | #include "cr_bits.h"
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| 14 |
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| 15 | #include <iprt/cdefs.h>
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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 dirty[CR_MAX_BITARRAY];
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| 23 | /* pixel pack/unpack */
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| 24 | CRbitvalue pack[CR_MAX_BITARRAY];
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| 25 | CRbitvalue unpack[CR_MAX_BITARRAY];
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| 26 | /* vertex array */
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| 27 | CRbitvalue enableClientState[CR_MAX_BITARRAY];
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| 28 | CRbitvalue clientPointer[CR_MAX_BITARRAY];
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| 29 | CRbitvalue *v; /* vertex */
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| 30 | CRbitvalue *n; /* normal */
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| 31 | CRbitvalue *c; /* color */
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| 32 | CRbitvalue *i; /* index */
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| 33 | CRbitvalue *t[CR_MAX_TEXTURE_UNITS]; /* texcoord */
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| 34 | CRbitvalue *e; /* edgeflag */
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| 35 | CRbitvalue *s; /* secondary color */
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| 36 | CRbitvalue *f; /* fog coord */
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| 37 | #ifdef CR_NV_vertex_program
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| 38 | CRbitvalue *a[CR_MAX_VERTEX_ATTRIBS]; /* NV_vertex_program */
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| 39 | #endif
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| 40 | } CRClientBits;
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| 41 |
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| 42 | /*
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| 43 | * NOTE!!!! If you change this structure, search through the code for
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| 44 | * occurances of 'defaultPacking' and fix the static initializations!!!!
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| 45 | */
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| 46 | typedef struct {
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| 47 | GLint rowLength;
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| 48 | GLint skipRows;
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| 49 | GLint skipPixels;
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| 50 | GLint alignment;
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| 51 | GLint imageHeight;
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| 52 | GLint skipImages;
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| 53 | GLboolean swapBytes;
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| 54 | GLboolean psLSBFirst; /* don't conflict with crap from Xlib.h */
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| 55 | } CRPixelPackState;
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| 56 |
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| 57 | typedef struct {
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| 58 | unsigned char *p;
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| 59 | GLint size;
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| 60 | GLint type;
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| 61 | GLint stride;
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| 62 | GLboolean enabled;
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| 63 | GLboolean normalized; /* Added with GL_ARB_vertex_program */
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| 64 | int bytesPerIndex;
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| 65 | #ifdef CR_ARB_vertex_buffer_object
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| 66 | CRBufferObject *buffer;
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| 67 | #endif
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| 68 | } CRClientPointer;
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| 69 |
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| 70 | typedef struct {
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| 71 | CRClientPointer v; /* vertex */
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| 72 | CRClientPointer n; /* normal */
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| 73 | CRClientPointer c; /* color */
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| 74 | CRClientPointer i; /* color index */
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| 75 | CRClientPointer t[CR_MAX_TEXTURE_UNITS]; /* texcoords */
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| 76 | CRClientPointer e; /* edge flags */
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| 77 | CRClientPointer s; /* secondary color */
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| 78 | CRClientPointer f; /* fog coord */
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| 79 | #ifdef CR_NV_vertex_program
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| 80 | CRClientPointer a[CR_MAX_VERTEX_ATTRIBS]; /* vertex attribs */
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| 81 | #endif
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| 82 | #ifdef CR_NV_vertex_array_range
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| 83 | GLboolean arrayRange;
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| 84 | GLboolean arrayRangeValid;
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| 85 | void *arrayRangePointer;
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| 86 | GLuint arrayRangeLength;
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| 87 | #endif
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| 88 | } CRVertexArrays;
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| 89 |
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| 90 | typedef struct {
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| 91 | /* pixel pack/unpack */
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| 92 | CRPixelPackState pack;
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| 93 | CRPixelPackState unpack;
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| 94 |
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| 95 | CRVertexArrays array;
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| 96 |
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| 97 | GLint curClientTextureUnit;
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| 98 |
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| 99 | /* state stacks (glPush/PopClientState) */
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| 100 | GLint attribStackDepth;
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| 101 | CRbitvalue pushMaskStack[CR_MAX_CLIENT_ATTRIB_STACK_DEPTH];
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| 102 |
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| 103 | GLint pixelStoreStackDepth;
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| 104 | CRPixelPackState pixelPackStoreStack[CR_MAX_CLIENT_ATTRIB_STACK_DEPTH];
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| 105 | CRPixelPackState pixelUnpackStoreStack[CR_MAX_CLIENT_ATTRIB_STACK_DEPTH];
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| 106 |
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| 107 | GLint vertexArrayStackDepth;
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| 108 | CRVertexArrays vertexArrayStack[CR_MAX_CLIENT_ATTRIB_STACK_DEPTH];
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| 109 | } CRClientState;
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| 110 |
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| 111 | extern const CRPixelPackState crStateNativePixelPacking;
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| 112 |
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| 113 | DECLEXPORT(void) crStateClientInitBits(CRClientBits *c);
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| 114 | DECLEXPORT(void) crStateClientInit(CRClientState *c);
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| 115 | DECLEXPORT(void) crStateClientDestroy(CRClientState *c);
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| 116 |
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| 117 | DECLEXPORT(GLboolean) crStateUseServerArrays(void);
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| 118 | DECLEXPORT(GLboolean) crStateUseServerArrayElements(void);
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| 119 |
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| 120 | #ifdef __cplusplus
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| 121 | }
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| 122 | #endif
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| 123 |
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| 124 | #endif /* CR_CLIENT_H */
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