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authormarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
committermarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
commita0c4815433ccd57322f4f7703ca35e9ccfa59250 (patch)
treef5213802ec12adb86ec3136001c1c29fe5343700 /mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc
parentc73dc01b6de45612b24dc2dd34fba24d81ebf46c (diff)
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Added MesaLib-7.6
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc')
-rw-r--r--mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc469
1 files changed, 469 insertions, 0 deletions
diff --git a/mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc b/mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc
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+++ b/mesalib/src/glu/sgi/libnurbs/interface/glinterface.cc
@@ -0,0 +1,469 @@
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+/*
+*/
+
+#include "gluos.h"
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <stdio.h>
+#include "glimports.h"
+#include "glrenderer.h"
+#include "nurbsconsts.h"
+
+//#define DOWN_LOAD_NURBS
+#ifdef DOWN_LOAD_NURBS
+
+#include "oglTrimNurbs.h"
+static int surfcount = 0;
+static oglTrimNurbs* otn = NULL;
+nurbSurf* tempNurb = NULL;
+oglTrimLoops* tempTrim = NULL;
+#endif
+
+
+//for LOD
+extern "C" {void glu_LOD_eval_list(GLUnurbs *nurb, int level);}
+
+void glu_LOD_eval_list(GLUnurbs *nurb, int level)
+{
+ nurb->LOD_eval_list(level);
+}
+
+GLUnurbs * GLAPIENTRY
+gluNewNurbsRenderer(void)
+{
+ GLUnurbs *t;
+
+ t = new GLUnurbs();
+ return t;
+}
+
+void GLAPIENTRY
+gluDeleteNurbsRenderer(GLUnurbs *r)
+{
+ delete r;
+}
+
+extern "C"
+void GLAPIENTRY
+
+gluDeleteNurbsTessellatorEXT(GLUnurbsObj *r)
+{
+ delete r;
+}
+
+void GLAPIENTRY
+gluBeginSurface(GLUnurbs *r)
+{
+#ifdef DOWN_LOAD_NURBS
+surfcount++;
+tempTrim = OTL_make(10,10);
+#endif
+ r->bgnsurface(0);
+}
+
+void GLAPIENTRY
+gluBeginCurve(GLUnurbs *r)
+{
+ r->bgncurve(0);
+}
+
+void GLAPIENTRY
+gluEndCurve(GLUnurbs *r)
+{
+ r->endcurve();
+}
+
+void GLAPIENTRY
+gluEndSurface(GLUnurbs *r)
+{
+#ifdef DOWN_LOAD_NURBS
+if(surfcount == 1)
+ otn = OTN_make(1);
+OTN_insert(otn, tempNurb, tempTrim);
+if(surfcount >= 1)
+{
+#ifdef DEBUG
+printf("write file\n");
+#endif
+OTN_write(otn, "out.otn");
+
+}
+#endif
+
+ r->endsurface();
+}
+
+void GLAPIENTRY
+gluBeginTrim(GLUnurbs *r)
+{
+#ifdef DOWN_LOAD_NURBS
+OTL_bgnTrim(tempTrim);
+#endif
+
+ r->bgntrim();
+}
+
+void GLAPIENTRY
+gluEndTrim(GLUnurbs *r)
+{
+#ifdef DOWN_LOAD_NURBS
+OTL_endTrim(tempTrim);
+#endif
+ r->endtrim();
+}
+
+void GLAPIENTRY
+gluPwlCurve(GLUnurbs *r, GLint count, INREAL array[],
+ GLint stride, GLenum type)
+{
+#ifdef DOWN_LOAD_NURBS
+OTL_pwlCurve(tempTrim, count, array, stride, type);
+#endif
+
+ int realType;
+ switch(type) {
+ case GLU_MAP1_TRIM_2:
+ realType = N_P2D;
+ break;
+ case GLU_MAP1_TRIM_3:
+ realType = N_P2DR;
+ break;
+ default:
+ realType = type;
+ break;
+ }
+ r->pwlcurve(count, array, sizeof(INREAL) * stride, realType);
+}
+
+void GLAPIENTRY
+gluNurbsCurve(GLUnurbs *r, GLint nknots, INREAL knot[], GLint stride,
+ INREAL ctlarray[], GLint order, GLenum type)
+{
+#ifdef DOWN_LOAD_NURBS
+OTL_nurbsCurve(tempTrim, nknots, knot, stride, ctlarray, order, type);
+#endif
+
+ int realType;
+
+ switch(type) {
+ case GLU_MAP1_TRIM_2:
+ realType = N_P2D;
+ break;
+ case GLU_MAP1_TRIM_3:
+ realType = N_P2DR;
+ break;
+ default:
+ realType = type;
+ break;
+ }
+
+ r->nurbscurve(nknots, knot, sizeof(INREAL) * stride, ctlarray, order,
+ realType);
+}
+
+void GLAPIENTRY
+gluNurbsSurface(GLUnurbs *r, GLint sknot_count, GLfloat *sknot,
+ GLint tknot_count, GLfloat *tknot,
+ GLint s_stride, GLint t_stride,
+ GLfloat *ctlarray, GLint sorder, GLint torder,
+ GLenum type)
+{
+#ifdef DOWN_LOAD_NURBS
+ {
+ int dimension;
+ switch(type){
+ case GL_MAP2_VERTEX_3:
+ dimension = 3;
+ break;
+ case GL_MAP2_VERTEX_4:
+ dimension = 4;
+ break;
+ default:
+ fprintf(stderr, "error in glinterface.c++, type no implemented\n");
+ exit(1);
+ }
+tempNurb = nurbSurfMake(sknot_count, sknot,
+ tknot_count, tknot,
+ sorder, torder,
+ dimension,
+ ctlarray,
+ s_stride, t_stride);
+
+ }
+#endif
+
+ r->nurbssurface(sknot_count, sknot, tknot_count, tknot,
+ sizeof(INREAL) * s_stride, sizeof(INREAL) * t_stride,
+ ctlarray, sorder, torder, type);
+}
+
+void GLAPIENTRY
+gluLoadSamplingMatrices(GLUnurbs *r, const GLfloat modelMatrix[16],
+ const GLfloat projMatrix[16],
+ const GLint viewport[4])
+{
+ r->useGLMatrices(modelMatrix, projMatrix, viewport);
+}
+
+void GLAPIENTRY
+gluNurbsProperty(GLUnurbs *r, GLenum property, GLfloat value)
+{
+ GLfloat nurbsValue;
+
+ switch (property) {
+ case GLU_AUTO_LOAD_MATRIX:
+ r->setautoloadmode(value);
+ return;
+
+ case GLU_CULLING:
+ if (value != 0.0) {
+ nurbsValue = N_CULLINGON;
+ } else {
+ nurbsValue = N_NOCULLING;
+ }
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_CULLING, nurbsValue);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_CULLING, nurbsValue);
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_CULLING, nurbsValue);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_CULLING, nurbsValue);
+ return;
+
+ case GLU_SAMPLING_METHOD:
+ if (value == GLU_PATH_LENGTH) {
+ nurbsValue = N_PATHLENGTH;
+ } else if (value == GLU_PARAMETRIC_ERROR) {
+ nurbsValue = N_PARAMETRICDISTANCE;
+ } else if (value == GLU_DOMAIN_DISTANCE) {
+ nurbsValue = N_DOMAINDISTANCE;
+ r->set_is_domain_distance_sampling(1); //optimzing untrimmed case
+
+ } else if (value == GLU_OBJECT_PARAMETRIC_ERROR) {
+ nurbsValue = N_OBJECTSPACE_PARA;
+ r->setautoloadmode( 0.0 );
+ r->setSamplingMatrixIdentity();
+ } else if (value == GLU_OBJECT_PATH_LENGTH) {
+ nurbsValue = N_OBJECTSPACE_PATH;
+ r->setautoloadmode( 0.0 );
+ r->setSamplingMatrixIdentity();
+ } else {
+ r->postError(GLU_INVALID_VALUE);
+ return;
+ }
+
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_SAMPLINGMETHOD, nurbsValue);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_SAMPLINGMETHOD, nurbsValue);
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_SAMPLINGMETHOD, nurbsValue);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_SAMPLINGMETHOD, nurbsValue);
+ return;
+
+ case GLU_SAMPLING_TOLERANCE:
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_PIXEL_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_PIXEL_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_PIXEL_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_PIXEL_TOLERANCE, value);
+ return;
+
+ case GLU_PARAMETRIC_TOLERANCE:
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_ERROR_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_ERROR_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_ERROR_TOLERANCE, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_ERROR_TOLERANCE, value);
+ return;
+
+
+ case GLU_DISPLAY_MODE:
+
+ if (value == GLU_FILL) {
+ nurbsValue = N_FILL;
+ } else if (value == GLU_OUTLINE_POLYGON) {
+ nurbsValue = N_OUTLINE_POLY;
+ } else if (value == GLU_OUTLINE_PATCH) {
+ nurbsValue = N_OUTLINE_PATCH;
+ } else {
+ r->postError(GLU_INVALID_VALUE);
+ return;
+ }
+ r->setnurbsproperty(N_DISPLAY, nurbsValue);
+
+ break;
+
+ case GLU_U_STEP:
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_S_STEPS, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_S_STEPS, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_S_STEPS, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_S_STEPS, value);
+
+ //added for optimizing untrimmed case
+ r->set_domain_distance_u_rate(value);
+ break;
+
+ case GLU_V_STEP:
+ r->setnurbsproperty(GL_MAP1_VERTEX_3, N_T_STEPS, value);
+ r->setnurbsproperty(GL_MAP1_VERTEX_4, N_T_STEPS, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_3, N_T_STEPS, value);
+ r->setnurbsproperty(GL_MAP2_VERTEX_4, N_T_STEPS, value);
+
+ //added for optimizing untrimmed case
+ r->set_domain_distance_v_rate(value);
+ break;
+
+ case GLU_NURBS_MODE:
+ if(value == GLU_NURBS_RENDERER)
+ r->put_callbackFlag(0);
+ else if(value == GLU_NURBS_TESSELLATOR)
+ r->put_callbackFlag(1);
+ else
+ r->postError(GLU_INVALID_ENUM);
+ break;
+
+ default:
+ r->postError(GLU_INVALID_ENUM);
+ return;
+ }
+}
+
+void GLAPIENTRY
+gluGetNurbsProperty(GLUnurbs *r, GLenum property, GLfloat *value)
+{
+ GLfloat nurbsValue;
+
+ switch(property) {
+ case GLU_AUTO_LOAD_MATRIX:
+ if (r->getautoloadmode()) {
+ *value = GL_TRUE;
+ } else {
+ *value = GL_FALSE;
+ }
+ break;
+ case GLU_CULLING:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_CULLING, &nurbsValue);
+ if (nurbsValue == N_CULLINGON) {
+ *value = GL_TRUE;
+ } else {
+ *value = GL_FALSE;
+ }
+ break;
+ case GLU_SAMPLING_METHOD:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_SAMPLINGMETHOD, value);
+ if(*value == N_PATHLENGTH)
+ *value = GLU_PATH_LENGTH;
+ else if(*value == N_PARAMETRICDISTANCE)
+ *value = GLU_PARAMETRIC_ERROR;
+ else if(*value == N_DOMAINDISTANCE)
+ *value = GLU_DOMAIN_DISTANCE;
+ else if(*value == N_OBJECTSPACE_PATH)
+ *value = GLU_OBJECT_PATH_LENGTH;
+ else if(*value == N_OBJECTSPACE_PARA)
+ *value = GLU_OBJECT_PARAMETRIC_ERROR;
+ break;
+ case GLU_SAMPLING_TOLERANCE:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_PIXEL_TOLERANCE, value);
+ break;
+ case GLU_PARAMETRIC_TOLERANCE:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_ERROR_TOLERANCE, value);
+ break;
+
+ case GLU_U_STEP:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_S_STEPS, value);
+ break;
+ case GLU_V_STEP:
+ r->getnurbsproperty(GL_MAP2_VERTEX_3, N_T_STEPS, value);
+ break;
+ case GLU_DISPLAY_MODE:
+ r->getnurbsproperty(N_DISPLAY, &nurbsValue);
+ if (nurbsValue == N_FILL) {
+ *value = GLU_FILL;
+ } else if (nurbsValue == N_OUTLINE_POLY) {
+ *value = GLU_OUTLINE_POLYGON;
+ } else {
+ *value = GLU_OUTLINE_PATCH;
+ }
+ break;
+
+ case GLU_NURBS_MODE:
+ if(r->is_callback())
+ *value = GLU_NURBS_TESSELLATOR;
+ else
+ *value = GLU_NURBS_RENDERER;
+ break;
+
+ default:
+ r->postError(GLU_INVALID_ENUM);
+ return;
+ }
+}
+
+extern "C" void GLAPIENTRY
+gluNurbsCallback(GLUnurbs *r, GLenum which, _GLUfuncptr fn )
+{
+ switch (which) {
+ case GLU_NURBS_BEGIN:
+ case GLU_NURBS_END:
+ case GLU_NURBS_VERTEX:
+ case GLU_NURBS_NORMAL:
+ case GLU_NURBS_TEXTURE_COORD:
+ case GLU_NURBS_COLOR:
+ case GLU_NURBS_BEGIN_DATA:
+ case GLU_NURBS_END_DATA:
+ case GLU_NURBS_VERTEX_DATA:
+ case GLU_NURBS_NORMAL_DATA:
+ case GLU_NURBS_TEXTURE_COORD_DATA:
+ case GLU_NURBS_COLOR_DATA:
+ r->putSurfCallBack(which, fn);
+ break;
+
+ case GLU_NURBS_ERROR:
+ r->errorCallback = (void (APIENTRY *)( GLenum e )) fn;
+ break;
+ default:
+ r->postError(GLU_INVALID_ENUM);
+ return;
+ }
+}
+
+extern "C"
+void GLAPIENTRY
+gluNurbsCallbackDataEXT(GLUnurbs* r, void* userData)
+{
+ r->setNurbsCallbackData(userData);
+}
+
+extern "C"
+void GLAPIENTRY
+gluNurbsCallbackData(GLUnurbs* r, void* userData)
+{
+ gluNurbsCallbackDataEXT(r,userData);
+}