2008-12-08 04:36:27 +00:00
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#ifndef __glsmap_h__
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#define __glsmap_h__
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/* Copyright (c) Mark J. Kilgard, 1998. */
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/* This program is freely distributable without licensing fees
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and is provided without guarantee or warrantee expressed or
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implied. This program is -not- in the public domain. */
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#if defined(_WIN32)
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/* Try hard to avoid including <windows.h> to avoid name space pollution,
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but Win32's <GL/gl.h> needs APIENTRY and WINGDIAPI defined properly. */
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# if 0
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# else
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/* XXX This is from Win32's <windef.h> */
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# ifndef APIENTRY
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# if (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED)
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# define APIENTRY __stdcall
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# else
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# define APIENTRY
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# endif
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# endif
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# ifndef CALLBACK
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/* XXX This is from Win32's <winnt.h> */
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# if (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS)
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# define CALLBACK __stdcall
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# else
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# define CALLBACK
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# endif
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# endif
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/* XXX This is from Win32's <wingdi.h> and <winnt.h> */
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# ifndef WINGDIAPI
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# define WINGDIAPI __declspec(dllimport)
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# endif
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/* XXX This is from Win32's <ctype.h> */
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# ifndef _WCHAR_T_DEFINED
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typedef unsigned short wchar_t;
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# define _WCHAR_T_DEFINED
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# endif
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# endif
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#pragma warning (disable:4244) /* Disable bogus conversion warnings. */
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#pragma warning (disable:4305) /* VC++ 5.0 version of above warning. */
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#endif /* _WIN32 */
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#include <GL/gl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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SMAP_CLEAR_SMAP_TEXTURE = 0x1,
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SMAP_GENERATE_VIEW_MIPMAPS = 0x2,
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SMAP_GENERATE_SMAP_MIPMAPS = 0x4,
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SMAP_GENERATE_MIPMAPS = 0x6 /* both of above */
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} SphereMapFlags;
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/* Cube view enumerants. */
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enum {
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SMAP_FRONT = 0,
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SMAP_TOP = 1,
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SMAP_BOTTOM = 2,
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SMAP_LEFT = 3,
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SMAP_RIGHT = 4,
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SMAP_BACK = 5
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};
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typedef struct _SphereMap SphereMap;
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extern SphereMap *smapCreateSphereMap(SphereMap *shareSmap);
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extern void smapDestroySphereMap(SphereMap *smap);
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extern void smapConfigureSphereMapMesh(SphereMap *smap, int steps, int rings, int edgeExtend);
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extern void smapSetSphereMapTexObj(SphereMap *smap, GLuint texobj);
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extern void smapSetViewTexObj(SphereMap *smap, GLuint texobj);
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extern void smapSetViewTexObjs(SphereMap *smap, GLuint texobjs[6]);
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extern void smapGetSphereMapTexObj(SphereMap *smap, GLuint *texobj);
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extern void smapGetViewTexObj(SphereMap *smap, GLuint *texobj);
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extern void smapGetViewTexObjs(SphereMap *smap, GLuint texobjs[6]);
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extern void smapSetFlags(SphereMap *smap, SphereMapFlags flags);
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extern void smapGetFlags(SphereMap *smap, SphereMapFlags *flags);
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extern void smapSetViewOrigin(SphereMap *smap, GLint x, GLint y);
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extern void smapSetSphereMapOrigin(SphereMap *smap, GLint x, GLint y);
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extern void smapGetViewOrigin(SphereMap *smap, GLint *x, GLint *y);
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extern void smapGetSphereMapOrigin(SphereMap *smap, GLint *x, GLint *y);
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extern void smapSetEye(SphereMap *smap, GLfloat eyex, GLfloat eyey, GLfloat eyez);
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extern void smapSetEyeVector(SphereMap *smap, GLfloat *eye);
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extern void smapSetUp(SphereMap *smap, GLfloat upx, GLfloat upy, GLfloat upz);
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extern void smapSetUpVector(SphereMap *smap, GLfloat *up);
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extern void smapSetObject(SphereMap *smap, GLfloat objx, GLfloat objy, GLfloat objz);
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extern void smapSetObjectVector(SphereMap *smap, GLfloat *obj);
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extern void smapGetEye(SphereMap *smap, GLfloat *eyex, GLfloat *eyey, GLfloat *eyez);
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extern void smapGetEyeVector(SphereMap *smap, GLfloat *eye);
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extern void smapGetUp(SphereMap *smap, GLfloat *upx, GLfloat *upy, GLfloat *upz);
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extern void smapGetUpVector(SphereMap *smap, GLfloat *up);
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extern void smapGetObject(SphereMap *smap, GLfloat *objx, GLfloat *objy, GLfloat *objz);
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extern void smapGetObjectVector(SphereMap *smap, GLfloat *obj);
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extern void smapSetNearFar(SphereMap *smap, GLfloat viewNear, GLfloat viewFar);
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extern void smapGetNearFar(SphereMap *smap, GLfloat *viewNear, GLfloat *viewFar);
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extern void smapSetSphereMapTexDim(SphereMap *smap, GLsizei texdim);
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extern void smapSetViewTexDim(SphereMap *smap, GLsizei texdim);
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extern void smapGetSphereMapTexDim(SphereMap *smap, GLsizei *texdim);
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extern void smapGetViewTexDim(SphereMap *smap, GLsizei *texdim);
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extern void smapSetContextData(SphereMap *smap, void *context);
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extern void smapGetContextData(SphereMap *smap, void **context);
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extern void smapSetPositionLightsFunc(SphereMap *smap, void (*positionLights)(int view, void *context));
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extern void smapSetDrawViewFunc(SphereMap *smap, void (*drawView)(int view, void *context));
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extern void smapGetPositionLightsFunc(SphereMap *smap, void (**positionLights)(int view, void *context));
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extern void smapGetDrawViewFunc(SphereMap *smap, void (**drawView)(int view, void *context));
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extern void smapGenViewTex(SphereMap *smap, int view);
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extern void smapGenViewTexs(SphereMap *smap);
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extern void smapGenSphereMapFromViewTexs(SphereMap *smap);
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extern void smapGenSphereMap(SphereMap *smap);
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extern void smapGenSphereMapWithOneViewTex(SphereMap *smap);
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extern int smapRvecToSt(float rvec[3], float st[2]);
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extern void smapStToRvec(float *st, float *rvec);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __glsmap_h__ */
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