glu32: Import projection functions from Mesa.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard
parent
7099353144
commit
03c5ab2e72
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@ -1,5 +1,7 @@
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MODULE = glu32.dll
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IMPORTLIB = glu32
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IMPORTS = opengl32
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C_SRCS = \
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glu.c
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glu.c \
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project.c
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@ -136,7 +136,6 @@ static void (*p_gluEndTrim)( GLUnurbs* nurb );
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static void (*p_gluGetNurbsProperty)( GLUnurbs* nurb, GLenum property, GLfloat* data );
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static void (*p_gluGetTessProperty)( GLUtesselator* tess, GLenum which, GLdouble* data );
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static void (*p_gluLoadSamplingMatrices)( GLUnurbs* nurb, const GLfloat *model, const GLfloat *perspective, const GLint *view );
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static void (*p_gluLookAt)( GLdouble eyeX, GLdouble eyeY, GLdouble eyeZ, GLdouble centerX, GLdouble centerY, GLdouble centerZ, GLdouble upX, GLdouble upY, GLdouble upZ );
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static GLUnurbs* (*p_gluNewNurbsRenderer)(void);
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static GLUquadric* (*p_gluNewQuadric)(void);
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static GLUtesselator* (*p_gluNewTess)(void);
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@ -144,11 +143,7 @@ static void (*p_gluNurbsCallback)( GLUnurbs* nurb, GLenum which, _GLUfuncptr Ca
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static void (*p_gluNurbsCurve)( GLUnurbs* nurb, GLint knotCount, GLfloat *knots, GLint stride, GLfloat *control, GLint order, GLenum type );
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static void (*p_gluNurbsProperty)( GLUnurbs* nurb, GLenum property, GLfloat value );
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static void (*p_gluNurbsSurface)( GLUnurbs* nurb, GLint sKnotCount, GLfloat* sKnots, GLint tKnotCount, GLfloat* tKnots, GLint sStride, GLint tStride, GLfloat* control, GLint sOrder, GLint tOrder, GLenum type );
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static void (*p_gluOrtho2D)( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top );
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static void (*p_gluPartialDisk)( GLUquadric* quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops, GLdouble start, GLdouble sweep );
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static void (*p_gluPerspective)( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar );
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static void (*p_gluPickMatrix)( GLdouble x, GLdouble y, GLdouble delX, GLdouble delY, GLint *viewport );
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static GLint (*p_gluProject)( GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble *model, const GLdouble *proj, const GLint *view, GLdouble* winX, GLdouble* winY, GLdouble* winZ );
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static void (*p_gluPwlCurve)( GLUnurbs* nurb, GLint count, GLfloat* data, GLint stride, GLenum type );
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static void (*p_gluQuadricCallback)( GLUquadric* quad, GLenum which, _GLUfuncptr CallBackFunc );
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static void (*p_gluQuadricDrawStyle)( GLUquadric* quad, GLenum draw );
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@ -165,7 +160,6 @@ static void (*p_gluTessEndPolygon)( GLUtesselator* tess );
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static void (*p_gluTessNormal)( GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ );
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static void (*p_gluTessProperty)( GLUtesselator* tess, GLenum which, GLdouble data );
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static void (*p_gluTessVertex)( GLUtesselator* tess, GLdouble *location, GLvoid* data );
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static GLint (*p_gluUnProject)( GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble *model, const GLdouble *proj, const GLint *view, GLdouble* objX, GLdouble* objY, GLdouble* objZ );
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static void *libglu_handle;
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static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
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@ -197,66 +191,6 @@ static void *load_glufunc( const char *name )
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#define LOAD_FUNCPTR(f) (p_##f || (p_##f = load_glufunc( #f )))
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/***********************************************************************
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* gluLookAt (GLU32.@)
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*/
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void WINAPI wine_gluLookAt( GLdouble eyex, GLdouble eyey, GLdouble eyez,
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GLdouble centerx, GLdouble centery, GLdouble centerz,
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GLdouble upx, GLdouble upy, GLdouble upz )
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{
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if (!LOAD_FUNCPTR( gluLookAt )) return;
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p_gluLookAt( eyex, eyey, eyez, centerx, centery, centerz, upx, upy, upz );
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}
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/***********************************************************************
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* gluOrtho2D (GLU32.@)
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*/
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void WINAPI wine_gluOrtho2D( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top )
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{
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if (!LOAD_FUNCPTR( gluOrtho2D )) return;
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p_gluOrtho2D( left, right, bottom, top );
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}
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/***********************************************************************
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* gluPerspective (GLU32.@)
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*/
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void WINAPI wine_gluPerspective( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar )
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{
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if (!LOAD_FUNCPTR( gluPerspective )) return;
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p_gluPerspective( fovy, aspect, zNear, zFar );
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}
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/***********************************************************************
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* gluPickMatrix (GLU32.@)
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*/
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void WINAPI wine_gluPickMatrix( GLdouble x, GLdouble y, GLdouble width, GLdouble height, GLint viewport[4])
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{
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if (!LOAD_FUNCPTR( gluPickMatrix )) return;
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p_gluPickMatrix( x, y, width, height, viewport );
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}
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/***********************************************************************
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* gluProject (GLU32.@)
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*/
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int WINAPI wine_gluProject( GLdouble objx, GLdouble objy, GLdouble objz, const GLdouble modelMatrix[16],
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const GLdouble projMatrix[16], const GLint viewport[4],
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GLdouble *winx, GLdouble *winy, GLdouble *winz )
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{
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if (!LOAD_FUNCPTR( gluProject )) return GLU_FALSE;
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return p_gluProject( objx, objy, objz, modelMatrix, projMatrix, viewport, winx, winy, winz );
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}
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/***********************************************************************
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* gluUnProject (GLU32.@)
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*/
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int WINAPI wine_gluUnProject( GLdouble winx, GLdouble winy, GLdouble winz, const GLdouble modelMatrix[16],
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const GLdouble projMatrix[16], const GLint viewport[4],
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GLdouble *objx, GLdouble *objy, GLdouble *objz )
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{
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if (!LOAD_FUNCPTR( gluUnProject )) return GLU_FALSE;
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return p_gluUnProject( winx, winy, winz, modelMatrix, projMatrix, viewport, objx, objy, objz );
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}
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/***********************************************************************
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* gluErrorString (GLU32.@)
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*/
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@ -20,7 +20,7 @@
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@ stdcall gluGetString(long) wine_gluGetString
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@ stdcall gluGetTessProperty(ptr long ptr) wine_gluGetTessProperty
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@ stdcall gluLoadSamplingMatrices(ptr ptr ptr ptr) wine_gluLoadSamplingMatrices
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@ stdcall gluLookAt(double double double double double double double double double) wine_gluLookAt
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@ stdcall gluLookAt(double double double double double double double double double)
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@ stdcall gluNewNurbsRenderer() wine_gluNewNurbsRenderer
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@ stdcall gluNewQuadric() wine_gluNewQuadric
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@ stdcall gluNewTess() wine_gluNewTess
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@ -29,11 +29,11 @@
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@ stdcall gluNurbsCurve(ptr long ptr long ptr long long) wine_gluNurbsCurve
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@ stdcall gluNurbsProperty(ptr long long) wine_gluNurbsProperty
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@ stdcall gluNurbsSurface(ptr long ptr long ptr long long ptr long long long) wine_gluNurbsSurface
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@ stdcall gluOrtho2D(double double double double) wine_gluOrtho2D
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@ stdcall gluOrtho2D(double double double double)
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@ stdcall gluPartialDisk(ptr double double long long double double) wine_gluPartialDisk
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@ stdcall gluPerspective(double double double double) wine_gluPerspective
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@ stdcall gluPickMatrix(double double double double ptr) wine_gluPickMatrix
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@ stdcall gluProject(double double double ptr ptr ptr ptr ptr ptr) wine_gluProject
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@ stdcall gluPerspective(double double double double)
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@ stdcall gluPickMatrix(double double double double ptr)
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@ stdcall gluProject(double double double ptr ptr ptr ptr ptr ptr)
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@ stdcall gluPwlCurve(ptr long ptr long long) wine_gluPwlCurve
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@ stdcall gluQuadricCallback(ptr long ptr) wine_gluQuadricCallback
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@ stdcall gluQuadricDrawStyle(ptr long) wine_gluQuadricDrawStyle
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@ -50,4 +50,4 @@
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@ stdcall gluTessNormal(ptr double double double) wine_gluTessNormal
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@ stdcall gluTessProperty(ptr long double) wine_gluTessProperty
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@ stdcall gluTessVertex(ptr ptr ptr) wine_gluTessVertex
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@ stdcall gluUnProject(double double double ptr ptr ptr ptr ptr ptr) wine_gluUnProject
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@ stdcall gluUnProject(double double double ptr ptr ptr ptr ptr ptr)
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@ -0,0 +1,327 @@
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/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <math.h>
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#include "windef.h"
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#include "wine/wgl.h"
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#include "wine/glu.h"
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/*
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** Make m an identity matrix
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*/
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static void __gluMakeIdentityd(GLdouble m[16])
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{
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m[0+4*0] = 1; m[0+4*1] = 0; m[0+4*2] = 0; m[0+4*3] = 0;
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m[1+4*0] = 0; m[1+4*1] = 1; m[1+4*2] = 0; m[1+4*3] = 0;
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m[2+4*0] = 0; m[2+4*1] = 0; m[2+4*2] = 1; m[2+4*3] = 0;
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m[3+4*0] = 0; m[3+4*1] = 0; m[3+4*2] = 0; m[3+4*3] = 1;
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}
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static void __gluMakeIdentityf(GLfloat m[16])
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{
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m[0+4*0] = 1; m[0+4*1] = 0; m[0+4*2] = 0; m[0+4*3] = 0;
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m[1+4*0] = 0; m[1+4*1] = 1; m[1+4*2] = 0; m[1+4*3] = 0;
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m[2+4*0] = 0; m[2+4*1] = 0; m[2+4*2] = 1; m[2+4*3] = 0;
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m[3+4*0] = 0; m[3+4*1] = 0; m[3+4*2] = 0; m[3+4*3] = 1;
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}
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/***********************************************************************
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* gluOrtho2D (GLU32.@)
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*/
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void WINAPI gluOrtho2D( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top )
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{
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glOrtho(left, right, bottom, top, -1, 1);
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}
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/***********************************************************************
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* gluPerspective (GLU32.@)
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*/
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void WINAPI gluPerspective( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar )
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{
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GLdouble m[4][4];
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double sine, cotangent, deltaZ;
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double radians = fovy / 2 * M_PI / 180;
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deltaZ = zFar - zNear;
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sine = sin(radians);
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if ((deltaZ == 0) || (sine == 0) || (aspect == 0)) {
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return;
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}
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cotangent = cos(radians) / sine;
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__gluMakeIdentityd(&m[0][0]);
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m[0][0] = cotangent / aspect;
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m[1][1] = cotangent;
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m[2][2] = -(zFar + zNear) / deltaZ;
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m[2][3] = -1;
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m[3][2] = -2 * zNear * zFar / deltaZ;
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m[3][3] = 0;
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glMultMatrixd(&m[0][0]);
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}
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static void normalize(float v[3])
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{
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float r;
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r = sqrt( v[0]*v[0] + v[1]*v[1] + v[2]*v[2] );
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if (r == 0.0) return;
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v[0] /= r;
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v[1] /= r;
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v[2] /= r;
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}
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static void cross(float v1[3], float v2[3], float result[3])
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{
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result[0] = v1[1]*v2[2] - v1[2]*v2[1];
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result[1] = v1[2]*v2[0] - v1[0]*v2[2];
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result[2] = v1[0]*v2[1] - v1[1]*v2[0];
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}
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/***********************************************************************
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* gluLookAt (GLU32.@)
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*/
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void WINAPI gluLookAt( GLdouble eyex, GLdouble eyey, GLdouble eyez,
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GLdouble centerx, GLdouble centery, GLdouble centerz,
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GLdouble upx, GLdouble upy, GLdouble upz )
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{
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float forward[3], side[3], up[3];
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GLfloat m[4][4];
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forward[0] = centerx - eyex;
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forward[1] = centery - eyey;
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forward[2] = centerz - eyez;
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up[0] = upx;
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up[1] = upy;
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up[2] = upz;
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normalize(forward);
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/* Side = forward x up */
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cross(forward, up, side);
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normalize(side);
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/* Recompute up as: up = side x forward */
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cross(side, forward, up);
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__gluMakeIdentityf(&m[0][0]);
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m[0][0] = side[0];
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m[1][0] = side[1];
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m[2][0] = side[2];
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m[0][1] = up[0];
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m[1][1] = up[1];
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m[2][1] = up[2];
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m[0][2] = -forward[0];
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m[1][2] = -forward[1];
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m[2][2] = -forward[2];
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glMultMatrixf(&m[0][0]);
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glTranslated(-eyex, -eyey, -eyez);
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}
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static void __gluMultMatrixVecd(const GLdouble matrix[16], const GLdouble in[4],
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GLdouble out[4])
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{
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int i;
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for (i=0; i<4; i++) {
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out[i] =
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in[0] * matrix[0*4+i] +
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in[1] * matrix[1*4+i] +
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in[2] * matrix[2*4+i] +
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in[3] * matrix[3*4+i];
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}
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}
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/*
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** Invert 4x4 matrix.
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** Contributed by David Moore (See Mesa bug #6748)
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*/
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static int __gluInvertMatrixd(const GLdouble m[16], GLdouble invOut[16])
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{
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double inv[16], det;
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int i;
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inv[0] = m[5]*m[10]*m[15] - m[5]*m[11]*m[14] - m[9]*m[6]*m[15]
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+ m[9]*m[7]*m[14] + m[13]*m[6]*m[11] - m[13]*m[7]*m[10];
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inv[4] = -m[4]*m[10]*m[15] + m[4]*m[11]*m[14] + m[8]*m[6]*m[15]
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- m[8]*m[7]*m[14] - m[12]*m[6]*m[11] + m[12]*m[7]*m[10];
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inv[8] = m[4]*m[9]*m[15] - m[4]*m[11]*m[13] - m[8]*m[5]*m[15]
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+ m[8]*m[7]*m[13] + m[12]*m[5]*m[11] - m[12]*m[7]*m[9];
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inv[12] = -m[4]*m[9]*m[14] + m[4]*m[10]*m[13] + m[8]*m[5]*m[14]
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- m[8]*m[6]*m[13] - m[12]*m[5]*m[10] + m[12]*m[6]*m[9];
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inv[1] = -m[1]*m[10]*m[15] + m[1]*m[11]*m[14] + m[9]*m[2]*m[15]
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- m[9]*m[3]*m[14] - m[13]*m[2]*m[11] + m[13]*m[3]*m[10];
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inv[5] = m[0]*m[10]*m[15] - m[0]*m[11]*m[14] - m[8]*m[2]*m[15]
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+ m[8]*m[3]*m[14] + m[12]*m[2]*m[11] - m[12]*m[3]*m[10];
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inv[9] = -m[0]*m[9]*m[15] + m[0]*m[11]*m[13] + m[8]*m[1]*m[15]
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- m[8]*m[3]*m[13] - m[12]*m[1]*m[11] + m[12]*m[3]*m[9];
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inv[13] = m[0]*m[9]*m[14] - m[0]*m[10]*m[13] - m[8]*m[1]*m[14]
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+ m[8]*m[2]*m[13] + m[12]*m[1]*m[10] - m[12]*m[2]*m[9];
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inv[2] = m[1]*m[6]*m[15] - m[1]*m[7]*m[14] - m[5]*m[2]*m[15]
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+ m[5]*m[3]*m[14] + m[13]*m[2]*m[7] - m[13]*m[3]*m[6];
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inv[6] = -m[0]*m[6]*m[15] + m[0]*m[7]*m[14] + m[4]*m[2]*m[15]
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- m[4]*m[3]*m[14] - m[12]*m[2]*m[7] + m[12]*m[3]*m[6];
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inv[10] = m[0]*m[5]*m[15] - m[0]*m[7]*m[13] - m[4]*m[1]*m[15]
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+ m[4]*m[3]*m[13] + m[12]*m[1]*m[7] - m[12]*m[3]*m[5];
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inv[14] = -m[0]*m[5]*m[14] + m[0]*m[6]*m[13] + m[4]*m[1]*m[14]
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- m[4]*m[2]*m[13] - m[12]*m[1]*m[6] + m[12]*m[2]*m[5];
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inv[3] = -m[1]*m[6]*m[11] + m[1]*m[7]*m[10] + m[5]*m[2]*m[11]
|
||||
- m[5]*m[3]*m[10] - m[9]*m[2]*m[7] + m[9]*m[3]*m[6];
|
||||
inv[7] = m[0]*m[6]*m[11] - m[0]*m[7]*m[10] - m[4]*m[2]*m[11]
|
||||
+ m[4]*m[3]*m[10] + m[8]*m[2]*m[7] - m[8]*m[3]*m[6];
|
||||
inv[11] = -m[0]*m[5]*m[11] + m[0]*m[7]*m[9] + m[4]*m[1]*m[11]
|
||||
- m[4]*m[3]*m[9] - m[8]*m[1]*m[7] + m[8]*m[3]*m[5];
|
||||
inv[15] = m[0]*m[5]*m[10] - m[0]*m[6]*m[9] - m[4]*m[1]*m[10]
|
||||
+ m[4]*m[2]*m[9] + m[8]*m[1]*m[6] - m[8]*m[2]*m[5];
|
||||
|
||||
det = m[0]*inv[0] + m[1]*inv[4] + m[2]*inv[8] + m[3]*inv[12];
|
||||
if (det == 0)
|
||||
return GL_FALSE;
|
||||
|
||||
det = 1.0 / det;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
invOut[i] = inv[i] * det;
|
||||
|
||||
return GL_TRUE;
|
||||
}
|
||||
|
||||
static void __gluMultMatricesd(const GLdouble a[16], const GLdouble b[16],
|
||||
GLdouble r[16])
|
||||
{
|
||||
int i, j;
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
for (j = 0; j < 4; j++) {
|
||||
r[i*4+j] =
|
||||
a[i*4+0]*b[0*4+j] +
|
||||
a[i*4+1]*b[1*4+j] +
|
||||
a[i*4+2]*b[2*4+j] +
|
||||
a[i*4+3]*b[3*4+j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* gluProject (GLU32.@)
|
||||
*/
|
||||
GLint WINAPI gluProject( GLdouble objx, GLdouble objy, GLdouble objz, const GLdouble modelMatrix[16],
|
||||
const GLdouble projMatrix[16], const GLint viewport[4],
|
||||
GLdouble *winx, GLdouble *winy, GLdouble *winz )
|
||||
{
|
||||
double in[4];
|
||||
double out[4];
|
||||
|
||||
in[0]=objx;
|
||||
in[1]=objy;
|
||||
in[2]=objz;
|
||||
in[3]=1.0;
|
||||
__gluMultMatrixVecd(modelMatrix, in, out);
|
||||
__gluMultMatrixVecd(projMatrix, out, in);
|
||||
if (in[3] == 0.0) return(GL_FALSE);
|
||||
in[0] /= in[3];
|
||||
in[1] /= in[3];
|
||||
in[2] /= in[3];
|
||||
/* Map x, y and z to range 0-1 */
|
||||
in[0] = in[0] * 0.5 + 0.5;
|
||||
in[1] = in[1] * 0.5 + 0.5;
|
||||
in[2] = in[2] * 0.5 + 0.5;
|
||||
|
||||
/* Map x,y to viewport */
|
||||
in[0] = in[0] * viewport[2] + viewport[0];
|
||||
in[1] = in[1] * viewport[3] + viewport[1];
|
||||
|
||||
*winx=in[0];
|
||||
*winy=in[1];
|
||||
*winz=in[2];
|
||||
return(GL_TRUE);
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* gluUnProject (GLU32.@)
|
||||
*/
|
||||
GLint WINAPI gluUnProject( GLdouble winx, GLdouble winy, GLdouble winz, const GLdouble modelMatrix[16],
|
||||
const GLdouble projMatrix[16], const GLint viewport[4],
|
||||
GLdouble *objx, GLdouble *objy, GLdouble *objz )
|
||||
{
|
||||
double finalMatrix[16];
|
||||
double in[4];
|
||||
double out[4];
|
||||
|
||||
__gluMultMatricesd(modelMatrix, projMatrix, finalMatrix);
|
||||
if (!__gluInvertMatrixd(finalMatrix, finalMatrix)) return(GL_FALSE);
|
||||
|
||||
in[0]=winx;
|
||||
in[1]=winy;
|
||||
in[2]=winz;
|
||||
in[3]=1.0;
|
||||
|
||||
/* Map x and y from window coordinates */
|
||||
in[0] = (in[0] - viewport[0]) / viewport[2];
|
||||
in[1] = (in[1] - viewport[1]) / viewport[3];
|
||||
|
||||
/* Map to range -1 to 1 */
|
||||
in[0] = in[0] * 2 - 1;
|
||||
in[1] = in[1] * 2 - 1;
|
||||
in[2] = in[2] * 2 - 1;
|
||||
|
||||
__gluMultMatrixVecd(finalMatrix, in, out);
|
||||
if (out[3] == 0.0) return(GL_FALSE);
|
||||
out[0] /= out[3];
|
||||
out[1] /= out[3];
|
||||
out[2] /= out[3];
|
||||
*objx = out[0];
|
||||
*objy = out[1];
|
||||
*objz = out[2];
|
||||
return(GL_TRUE);
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* gluPickMatrix (GLU32.@)
|
||||
*/
|
||||
void WINAPI gluPickMatrix( GLdouble x, GLdouble y, GLdouble deltax, GLdouble deltay, GLint viewport[4] )
|
||||
{
|
||||
if (deltax <= 0 || deltay <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Translate and scale the picked region to the entire window */
|
||||
glTranslatef((viewport[2] - 2 * (x - viewport[0])) / deltax,
|
||||
(viewport[3] - 2 * (y - viewport[1])) / deltay, 0);
|
||||
glScalef(viewport[2] / deltax, viewport[3] / deltay, 1.0);
|
||||
}
|
||||
Loading…
Reference in New Issue