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Last change
on this file since 18847 was 15532, checked in by vboxsync, 16 years ago |
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crOpenGL: export to OSE
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Property svn:eol-style
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native
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Property svn:keywords
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Id
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File size:
1.2 KB
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| 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_OCCLUSION_H
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| 8 | #define CR_OCCLUSION_H
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| 9 |
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| 10 | #include "cr_hash.h"
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| 11 | #include "state/cr_statetypes.h"
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| 12 |
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| 13 | #include <iprt/cdefs.h>
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| 14 |
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| 15 | #ifdef __cplusplus
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| 16 | extern "C" {
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| 17 | #endif
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| 18 |
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| 19 | typedef struct {
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| 20 | CRbitvalue dirty[CR_MAX_BITARRAY];
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| 21 | } CROcclusionBits;
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| 22 |
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| 23 |
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| 24 | /*
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| 25 | * Occlusion query object.
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| 26 | */
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| 27 | typedef struct {
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| 28 | GLenum target;
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| 29 | GLuint name;
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| 30 | GLuint refCount;
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| 31 | GLuint passedCounter;
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| 32 | GLboolean active;
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| 33 | CRbitvalue dirty[CR_MAX_BITARRAY]; /* dirty data or state */
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| 34 | GLintptrARB dirtyStart, dirtyLength; /* dirty region */
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| 35 | } CROcclusionObject;
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| 36 |
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| 37 |
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| 38 | typedef struct {
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| 39 | CRHashTable *objects;
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| 40 | GLuint currentQueryObject;
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| 41 | } CROcclusionState;
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| 42 |
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| 43 |
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| 44 | DECLEXPORT(void) crStateOcclusionInit(CRContext *ctx);
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| 45 |
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| 46 | DECLEXPORT(void) crStateOcclusionDestroy(CRContext *ctx);
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| 47 |
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| 48 | DECLEXPORT(void) crStateOcclusionDiff(CROcclusionBits *bb, CRbitvalue *bitID,
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| 49 | CRContext *fromCtx, CRContext *toCtx);
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| 50 | DECLEXPORT(void) crStateOcclusionSwitch(CROcclusionBits *bb, CRbitvalue *bitID,
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| 51 | CRContext *fromCtx, CRContext *toCtx);
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| 52 |
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| 53 |
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| 54 | #ifdef __cplusplus
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| 55 | }
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| 56 | #endif
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| 57 |
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| 58 | #endif /* CR_OCCLUSION_H */
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