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authorLuc Verhaegen <libv@skynet.be>2010-03-08 07:39:43 +0100
committerLuc Verhaegen <libv@skynet.be>2010-03-08 07:39:43 +0100
commitc670a69782e6391910331c32cfe33059bb7f4d83 (patch)
treea04baa81b4032b7494fb4cd42cd53d6b149505f9 /src/glu/mesa/glu.c
parentf0e99179bcf95f39ce7c4d2c2270e8a4357eaf19 (diff)
Import debian's mesa-7.7-4 release.debian-7.7-4
Diffstat (limited to 'src/glu/mesa/glu.c')
-rw-r--r--src/glu/mesa/glu.c416
1 files changed, 0 insertions, 416 deletions
diff --git a/src/glu/mesa/glu.c b/src/glu/mesa/glu.c
deleted file mode 100644
index f9e33980a4..0000000000
--- a/src/glu/mesa/glu.c
+++ /dev/null
@@ -1,416 +0,0 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 3.5
- * Copyright (C) 1995-2001 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
-#ifdef PC_HEADER
-#include "all.h"
-#else
-#include <assert.h>
-#include <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "gluP.h"
-#endif
-
-
-/*
- * Miscellaneous utility functions
- */
-
-
-#ifndef M_PI
-#define M_PI 3.1415926536
-#endif
-#define EPS 0.00001
-
-#ifndef GLU_INCOMPATIBLE_GL_VERSION
-#define GLU_INCOMPATIBLE_GL_VERSION 100903
-#endif
-
-
-void GLAPIENTRY
-gluLookAt(GLdouble eyex, GLdouble eyey, GLdouble eyez,
- GLdouble centerx, GLdouble centery, GLdouble centerz,
- GLdouble upx, GLdouble upy, GLdouble upz)
-{
- GLdouble m[16];
- GLdouble x[3], y[3], z[3];
- GLdouble mag;
-
- /* Make rotation matrix */
-
- /* Z vector */
- z[0] = eyex - centerx;
- z[1] = eyey - centery;
- z[2] = eyez - centerz;
- mag = sqrt(z[0] * z[0] + z[1] * z[1] + z[2] * z[2]);
- if (mag) { /* mpichler, 19950515 */
- z[0] /= mag;
- z[1] /= mag;
- z[2] /= mag;
- }
-
- /* Y vector */
- y[0] = upx;
- y[1] = upy;
- y[2] = upz;
-
- /* X vector = Y cross Z */
- x[0] = y[1] * z[2] - y[2] * z[1];
- x[1] = -y[0] * z[2] + y[2] * z[0];
- x[2] = y[0] * z[1] - y[1] * z[0];
-
- /* Recompute Y = Z cross X */
- y[0] = z[1] * x[2] - z[2] * x[1];
- y[1] = -z[0] * x[2] + z[2] * x[0];
- y[2] = z[0] * x[1] - z[1] * x[0];
-
- /* mpichler, 19950515 */
- /* cross product gives area of parallelogram, which is < 1.0 for
- * non-perpendicular unit-length vectors; so normalize x, y here
- */
-
- mag = sqrt(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]);
- if (mag) {
- x[0] /= mag;
- x[1] /= mag;
- x[2] /= mag;
- }
-
- mag = sqrt(y[0] * y[0] + y[1] * y[1] + y[2] * y[2]);
- if (mag) {
- y[0] /= mag;
- y[1] /= mag;
- y[2] /= mag;
- }
-
-#define M(row,col) m[col*4+row]
- M(0, 0) = x[0];
- M(0, 1) = x[1];
- M(0, 2) = x[2];
- M(0, 3) = 0.0;
- M(1, 0) = y[0];
- M(1, 1) = y[1];
- M(1, 2) = y[2];
- M(1, 3) = 0.0;
- M(2, 0) = z[0];
- M(2, 1) = z[1];
- M(2, 2) = z[2];
- M(2, 3) = 0.0;
- M(3, 0) = 0.0;
- M(3, 1) = 0.0;
- M(3, 2) = 0.0;
- M(3, 3) = 1.0;
-#undef M
- glMultMatrixd(m);
-
- /* Translate Eye to Origin */
- glTranslated(-eyex, -eyey, -eyez);
-
-}
-
-
-
-void GLAPIENTRY
-gluOrtho2D(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top)
-{
- glOrtho(left, right, bottom, top, -1.0, 1.0);
-}
-
-
-
-static void
-frustum(GLdouble left, GLdouble right,
- GLdouble bottom, GLdouble top,
- GLdouble nearval, GLdouble farval)
-{
- GLdouble x, y, a, b, c, d;
- GLdouble m[16];
-
- x = (2.0 * nearval) / (right - left);
- y = (2.0 * nearval) / (top - bottom);
- a = (right + left) / (right - left);
- b = (top + bottom) / (top - bottom);
- c = -(farval + nearval) / ( farval - nearval);
- d = -(2.0 * farval * nearval) / (farval - nearval);
-
-#define M(row,col) m[col*4+row]
- M(0,0) = x; M(0,1) = 0.0F; M(0,2) = a; M(0,3) = 0.0F;
- M(1,0) = 0.0F; M(1,1) = y; M(1,2) = b; M(1,3) = 0.0F;
- M(2,0) = 0.0F; M(2,1) = 0.0F; M(2,2) = c; M(2,3) = d;
- M(3,0) = 0.0F; M(3,1) = 0.0F; M(3,2) = -1.0F; M(3,3) = 0.0F;
-#undef M
-
- glMultMatrixd(m);
-}
-
-
-void GLAPIENTRY
-gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
-{
- GLdouble xmin, xmax, ymin, ymax;
-
- ymax = zNear * tan(fovy * M_PI / 360.0);
- ymin = -ymax;
- xmin = ymin * aspect;
- xmax = ymax * aspect;
-
- /* don't call glFrustum() because of error semantics (covglu) */
- frustum(xmin, xmax, ymin, ymax, zNear, zFar);
-}
-
-
-
-void GLAPIENTRY
-gluPickMatrix(GLdouble x, GLdouble y,
- GLdouble width, GLdouble height, GLint viewport[4])
-{
- GLfloat m[16];
- GLfloat sx, sy;
- GLfloat tx, ty;
-
- sx = viewport[2] / width;
- sy = viewport[3] / height;
- tx = (viewport[2] + 2.0 * (viewport[0] - x)) / width;
- ty = (viewport[3] + 2.0 * (viewport[1] - y)) / height;
-
-#define M(row,col) m[col*4+row]
- M(0, 0) = sx;
- M(0, 1) = 0.0;
- M(0, 2) = 0.0;
- M(0, 3) = tx;
- M(1, 0) = 0.0;
- M(1, 1) = sy;
- M(1, 2) = 0.0;
- M(1, 3) = ty;
- M(2, 0) = 0.0;
- M(2, 1) = 0.0;
- M(2, 2) = 1.0;
- M(2, 3) = 0.0;
- M(3, 0) = 0.0;
- M(3, 1) = 0.0;
- M(3, 2) = 0.0;
- M(3, 3) = 1.0;
-#undef M
-
- glMultMatrixf(m);
-}
-
-
-
-const GLubyte *GLAPIENTRY
-gluErrorString(GLenum errorCode)
-{
- static char *tess_error[] = {
- "missing gluBeginPolygon",
- "missing gluBeginContour",
- "missing gluEndPolygon",
- "missing gluEndContour",
- "misoriented or self-intersecting loops",
- "coincident vertices",
- "colinear vertices",
- "FIST recovery process fatal error"
- };
- static char *nurbs_error[] = {
- "spline order un-supported",
- "too few knots",
- "valid knot range is empty",
- "decreasing knot sequence knot",
- "knot multiplicity greater than order of spline",
- "endcurve() must follow bgncurve()",
- "bgncurve() must precede endcurve()",
- "missing or extra geometric data",
- "can't draw pwlcurves",
- "missing bgncurve()",
- "missing bgnsurface()",
- "endtrim() must precede endsurface()",
- "bgnsurface() must precede endsurface()",
- "curve of improper type passed as trim curve",
- "bgnsurface() must precede bgntrim()",
- "endtrim() must follow bgntrim()",
- "bgntrim() must precede endtrim()",
- "invalid or missing trim curve",
- "bgntrim() must precede pwlcurve()",
- "pwlcurve referenced twice",
- "pwlcurve and nurbscurve mixed",
- "improper usage of trim data type",
- "nurbscurve referenced twice",
- "nurbscurve and pwlcurve mixed",
- "nurbssurface referenced twice",
- "invalid property",
- "endsurface() must follow bgnsurface()",
- "misoriented trim curves",
- "intersecting trim curves",
- "UNUSED",
- "unconnected trim curves",
- "unknown knot error",
- "negative vertex count encountered",
- "negative byte-stride encountered",
- "unknown type descriptor",
- "null control array or knot vector",
- "duplicate point on pwlcurve"
- };
-
- /* GL Errors */
- if (errorCode == GL_NO_ERROR) {
- return (GLubyte *) "no error";
- }
- else if (errorCode == GL_INVALID_VALUE) {
- return (GLubyte *) "invalid value";
- }
- else if (errorCode == GL_INVALID_ENUM) {
- return (GLubyte *) "invalid enum";
- }
- else if (errorCode == GL_INVALID_OPERATION) {
- return (GLubyte *) "invalid operation";
- }
- else if (errorCode == GL_STACK_OVERFLOW) {
- return (GLubyte *) "stack overflow";
- }
- else if (errorCode == GL_STACK_UNDERFLOW) {
- return (GLubyte *) "stack underflow";
- }
- else if (errorCode == GL_OUT_OF_MEMORY) {
- return (GLubyte *) "out of memory";
- }
- /* GLU Errors */
- else if (errorCode == GLU_NO_ERROR) {
- return (GLubyte *) "no error";
- }
- else if (errorCode == GLU_INVALID_ENUM) {
- return (GLubyte *) "invalid enum";
- }
- else if (errorCode == GLU_INVALID_VALUE) {
- return (GLubyte *) "invalid value";
- }
- else if (errorCode == GLU_OUT_OF_MEMORY) {
- return (GLubyte *) "out of memory";
- }
- else if (errorCode == GLU_INCOMPATIBLE_GL_VERSION) {
- return (GLubyte *) "incompatible GL version";
- }
- else if (errorCode >= GLU_TESS_ERROR1 && errorCode <= GLU_TESS_ERROR8) {
- return (GLubyte *) tess_error[errorCode - GLU_TESS_ERROR1];
- }
- else if (errorCode >= GLU_NURBS_ERROR1 && errorCode <= GLU_NURBS_ERROR37) {
- return (GLubyte *) nurbs_error[errorCode - GLU_NURBS_ERROR1];
- }
- else {
- return NULL;
- }
-}
-
-
-
-/*
- * New in GLU 1.1
- */
-
-const GLubyte *GLAPIENTRY
-gluGetString(GLenum name)
-{
- static char *extensions = "GL_EXT_abgr";
- static char *version = "1.1 Mesa 3.5";
-
- switch (name) {
- case GLU_EXTENSIONS:
- return (GLubyte *) extensions;
- case GLU_VERSION:
- return (GLubyte *) version;
- default:
- return NULL;
- }
-}
-
-
-
-#if 0 /* gluGetProcAddressEXT not finalized yet! */
-
-#ifdef __cplusplus
- /* for BeOS R4.5 */
-void GLAPIENTRY(*gluGetProcAddressEXT(const GLubyte * procName)) (...)
-#else
-void (GLAPIENTRY * gluGetProcAddressEXT(const GLubyte * procName)) ()
-#endif
-{
- struct proc
- {
- const char *name;
- void *address;
- };
- static struct proc procTable[] = {
- {"gluGetProcAddressEXT", (void *) gluGetProcAddressEXT}, /* me! */
-
- /* new 1.1 functions */
- {"gluGetString", (void *) gluGetString},
-
- /* new 1.2 functions */
- {"gluTessBeginPolygon", (void *) gluTessBeginPolygon},
- {"gluTessBeginContour", (void *) gluTessBeginContour},
- {"gluTessEndContour", (void *) gluTessEndContour},
- {"gluTessEndPolygon", (void *) gluTessEndPolygon},
- {"gluGetTessProperty", (void *) gluGetTessProperty},
-
- /* new 1.3 functions */
-
- {NULL, NULL}
- };
- GLuint i;
-
- for (i = 0; procTable[i].address; i++) {
- if (strcmp((const char *) procName, procTable[i].name) == 0)
- return (void (GLAPIENTRY *) ()) procTable[i].address;
- }
-
- return NULL;
-}
-
-#endif
-
-
-
-/*
- * New in GLU 1.3
- */
-#ifdef GLU_VERSION_1_3
-GLboolean GLAPIENTRY
-gluCheckExtension(const GLubyte *extName, const GLubyte * extString)
-{
- assert(extName);
- assert(extString);
- {
- const int len = strlen((const char *) extName);
- const char *start = (const char *) extString;
-
- while (1) {
- const char *c = strstr(start, (const char *) extName);
- if (!c)
- return GL_FALSE;
-
- if ((c == start || c[-1] == ' ') && (c[len] == ' ' || c[len] == 0))
- return GL_TRUE;
-
- start = c + len;
- }
- }
-}
-#endif