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authorSven Gothel <[email protected]>2000-11-18 06:43:49 +0000
committerSven Gothel <[email protected]>2000-11-18 06:43:49 +0000
commit880653d31a8f1ff8384fdbc75b84934bceecfdb8 (patch)
treebdafb71416f176d2a4b73bf716c9dc3f13685a8b /demos/natives/x11
Initial revision
Diffstat (limited to 'demos/natives/x11')
-rw-r--r--demos/natives/x11/cube.c95
-rw-r--r--demos/natives/x11/gears.c374
-rwxr-xr-xdemos/natives/x11/makeGears.sh3
-rw-r--r--demos/natives/x11/makefile30
-rw-r--r--demos/natives/x11/makefile.mesa30
-rw-r--r--demos/natives/x11/makefile.x1130
-rw-r--r--demos/natives/x11/olympic.c409
-rw-r--r--demos/natives/x11/testGL1.c222
-rw-r--r--demos/natives/x11/testGL2.c517
-rw-r--r--demos/natives/x11/wave.c500
10 files changed, 2210 insertions, 0 deletions
diff --git a/demos/natives/x11/cube.c b/demos/natives/x11/cube.c
new file mode 100644
index 0000000..6f2fd57
--- /dev/null
+++ b/demos/natives/x11/cube.c
@@ -0,0 +1,95 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997. */
+
+/* This program is freely distributable without licensing fees
+ and is provided without guarantee or warrantee expressed or
+ implied. This program is -not- in the public domain. */
+
+/* This program was requested by Patrick Earl; hopefully someone else
+ will write the equivalent Direct3D immediate mode program. */
+
+#include <GL/glut.h>
+
+GLfloat light_diffuse[] = {1.0, 0.0, 0.0, 1.0}; /* Red diffuse light. */
+GLfloat light_position[] = {1.0, 1.0, 1.0, 0.0}; /* Infinite light location. */
+GLfloat n[6][3] = { /* Normals for the 6 faces of a cube. */
+ {-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 0.0, 0.0},
+ {0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0} };
+GLint faces[6][4] = { /* Vertex indices for the 6 faces of a cube. */
+ {0, 1, 2, 3}, {3, 2, 6, 7}, {7, 6, 5, 4},
+ {4, 5, 1, 0}, {5, 6, 2, 1}, {7, 4, 0, 3} };
+GLfloat v[8][3]; /* Will be filled in with X,Y,Z vertexes. */
+
+void
+drawBox(void)
+{
+ int i;
+
+ for (i = 0; i < 6; i++) {
+ glBegin(GL_QUADS);
+ glNormal3fv(&n[i][0]);
+ glVertex3fv(&v[faces[i][0]][0]);
+ glVertex3fv(&v[faces[i][1]][0]);
+ glVertex3fv(&v[faces[i][2]][0]);
+ glVertex3fv(&v[faces[i][3]][0]);
+ glEnd();
+ }
+}
+
+void
+display(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ drawBox();
+ glutSwapBuffers();
+}
+
+void
+init(void)
+{
+ /* Setup cube vertex data. */
+ v[0][0] = v[1][0] = v[2][0] = v[3][0] = -1;
+ v[4][0] = v[5][0] = v[6][0] = v[7][0] = 1;
+ v[0][1] = v[1][1] = v[4][1] = v[5][1] = -1;
+ v[2][1] = v[3][1] = v[6][1] = v[7][1] = 1;
+ v[0][2] = v[3][2] = v[4][2] = v[7][2] = 1;
+ v[1][2] = v[2][2] = v[5][2] = v[6][2] = -1;
+
+ /* Enable a single OpenGL light. */
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHTING);
+
+ glClearColor( 0.3f, 0.3f, 5.0f, 1.0f );
+
+ /* Use depth buffering for hidden surface elimination. */
+ glEnable(GL_DEPTH_TEST);
+
+ /* Setup the view of the cube. */
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective( /* field of view in degree */ 40.0,
+ /* aspect ratio */ 1.0,
+ /* Z near */ 1.0, /* Z far */ 10.0);
+ glMatrixMode(GL_MODELVIEW);
+ gluLookAt(0.0, 0.0, 5.0, /* eye is at (0,0,5) */
+ 0.0, 0.0, 0.0, /* center is at (0,0,0) */
+ 0.0, 1.0, 0.); /* up is in positive Y direction */
+
+ /* Adjust cube position to be asthetic angle. */
+ glTranslatef(0.0, 0.0, -1.0);
+ glRotatef(60, 1.0, 0.0, 0.0);
+ glRotatef(-20, 0.0, 0.0, 1.0);
+}
+
+int
+main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+ glutCreateWindow("red 3D lighted cube");
+ glutDisplayFunc(display);
+ init();
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/demos/natives/x11/gears.c b/demos/natives/x11/gears.c
new file mode 100644
index 0000000..f1812ae
--- /dev/null
+++ b/demos/natives/x11/gears.c
@@ -0,0 +1,374 @@
+/* $Id$ */
+
+/*
+ * 3-D gear wheels. This program is in the public domain.
+ *
+ * Command line options:
+ * -info print GL implementation information
+ *
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+/*
+ * $Log$
+ * Revision 1.1 2000/11/18 06:54:01 sven
+ * Initial revision
+ *
+ * Revision 1.2 1999/10/21 16:39:06 brianp
+ * added -info command line option
+ *
+ * Revision 1.1.1.1 1999/08/19 00:55:40 jtg
+ * Imported sources
+ *
+ * Revision 3.2 1999/06/03 17:07:36 brianp
+ * an extra quad was being drawn in front and back faces
+ *
+ * Revision 3.1 1998/11/03 02:49:10 brianp
+ * added fps output
+ *
+ * Revision 3.0 1998/02/14 18:42:29 brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+/**
+
+ Draw a gear wheel. You'll probably want to call this function when
+ building a display list since we do a lot of trig here.
+
+ Input: inner_radius - radius of hole at center
+ outer_radius - radius at center of teeth
+ width - width of gear
+ teeth - number of teeth
+ tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+ GLint teeth, GLfloat tooth_depth)
+{
+ GLint i;
+ GLfloat r0, r1, r2;
+ GLfloat angle, da;
+ GLfloat u, v, len;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth / 2.0;
+ r2 = outer_radius + tooth_depth / 2.0;
+
+ da = 2.0 * M_PI / teeth / 4.0;
+
+ glShadeModel(GL_FLAT);
+
+ glNormal3f(0.0, 0.0, 1.0);
+
+ /* draw front face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ if (i < teeth) {
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ }
+ glEnd();
+
+ /* draw front sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ }
+ glEnd();
+
+ glNormal3f(0.0, 0.0, -1.0);
+
+ /* draw back face */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ if (i < teeth) {
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ }
+ }
+ glEnd();
+
+ /* draw back sides of teeth */
+ glBegin(GL_QUADS);
+ da = 2.0 * M_PI / teeth / 4.0;
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ }
+ glEnd();
+
+ /* draw outward faces of teeth */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+ u = r2 * cos(angle + da) - r1 * cos(angle);
+ v = r2 * sin(angle + da) - r1 * sin(angle);
+ len = sqrt(u * u + v * v);
+ u /= len;
+ v /= len;
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+ u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+ v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+ glNormal3f(v, -u, 0.0);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+ glNormal3f(cos(angle), sin(angle), 0.0);
+ }
+
+ glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+ glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+ glEnd();
+
+ glShadeModel(GL_SMOOTH);
+
+ /* draw inside radius cylinder */
+ glBegin(GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0 * M_PI / teeth;
+ glNormal3f(-cos(angle), -sin(angle), 0.0);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+ }
+ glEnd();
+
+}
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+ glRotatef(view_rotx, 1.0, 0.0, 0.0);
+ glRotatef(view_roty, 0.0, 1.0, 0.0);
+ glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+ glPushMatrix();
+ glTranslatef(-3.0, -2.0, 0.0);
+ glRotatef(angle, 0.0, 0.0, 1.0);
+ glCallList(gear1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(3.1, -2.0, 0.0);
+ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+ glCallList(gear2);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-3.1, 4.2, 0.0);
+ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+ glCallList(gear3);
+ glPopMatrix();
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+
+ Frames++;
+ {
+ GLint t = glutGet(GLUT_ELAPSED_TIME);
+ if (t - T0 >= 5000) {
+ GLfloat seconds = (t - T0) / 1000.0;
+ GLfloat fps = Frames / seconds;
+ printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+ T0 = t;
+ Frames = 0;
+ }
+ }
+}
+
+
+static void
+idle(void)
+{
+ angle += 2.0;
+ glutPostRedisplay();
+}
+
+/* change view angle, exit upon ESC */
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+ switch (k) {
+ case 'z':
+ view_rotz += 5.0;
+ break;
+ case 'Z':
+ view_rotz -= 5.0;
+ break;
+ case 27: /* Escape */
+ exit(0);
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
+/* change view angle */
+/* ARGSUSED1 */
+static void
+special(int k, int x, int y)
+{
+ switch (k) {
+ case GLUT_KEY_UP:
+ view_rotx += 5.0;
+ break;
+ case GLUT_KEY_DOWN:
+ view_rotx -= 5.0;
+ break;
+ case GLUT_KEY_LEFT:
+ view_roty += 5.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ view_roty -= 5.0;
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(int argc, char *argv[])
+{
+ static GLfloat pos[4] =
+ {5.0, 5.0, 10.0, 0.0};
+ static GLfloat red[4] =
+ {0.8, 0.1, 0.0, 1.0};
+ static GLfloat green[4] =
+ {0.0, 0.8, 0.2, 1.0};
+ static GLfloat blue[4] =
+ {0.2, 0.2, 1.0, 1.0};
+
+ glLightfv(GL_LIGHT0, GL_POSITION, pos);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_DEPTH_TEST);
+
+ /* make the gears */
+ gear1 = glGenLists(1);
+ glNewList(gear1, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+ gear(1.0, 4.0, 1.0, 20, 0.7);
+ glEndList();
+
+ gear2 = glGenLists(1);
+ glNewList(gear2, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+ gear(0.5, 2.0, 2.0, 10, 0.7);
+ glEndList();
+
+ gear3 = glGenLists(1);
+ glNewList(gear3, GL_COMPILE);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+ gear(1.3, 2.0, 0.5, 10, 0.7);
+ glEndList();
+
+ glEnable(GL_NORMALIZE);
+
+ if (argc > 1 && strcmp(argv[1], "-info")==0) {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ }
+}
+
+void
+visible(int vis)
+{
+ if (vis == GLUT_VISIBLE)
+ glutIdleFunc(idle);
+ else
+ glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(300, 300);
+ glutCreateWindow("Gears");
+ init(argc, argv);
+
+ glutDisplayFunc(draw);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(key);
+ glutSpecialFunc(special);
+ glutVisibilityFunc(visible);
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/demos/natives/x11/makeGears.sh b/demos/natives/x11/makeGears.sh
new file mode 100755
index 0000000..f7c6f27
--- /dev/null
+++ b/demos/natives/x11/makeGears.sh
@@ -0,0 +1,3 @@
+#! /bin/sh
+gcc -ogears -I/usr/X11R6/include/ gears.c \
+ -lGL -lGLU -lglut -L/usr/X11R6/lib -lm
diff --git a/demos/natives/x11/makefile b/demos/natives/x11/makefile
new file mode 100644
index 0000000..d4e03bb
--- /dev/null
+++ b/demos/natives/x11/makefile
@@ -0,0 +1,30 @@
+#
+# Uses: Linux2.0X-glibc-pthreads-mesa3.0pthreads
+#
+
+CC = cc
+
+CCINCL = -I/usr/local/include -I/usr/X11/include -I/usr/X11R6/include
+CCLIBS = -L/usr/X11R6/lib -L/usr/local/lib -L/usr/X11/lib \
+ -lGL -lGLU -lglut \
+ -lXmu -lXt -lSM -lICE -lXext -lX11 -lXi -lXext -lX11 -lm -lpthread
+
+
+C_APPL_FILES = cube.c olympic.c testGL1.c testGL2.c wave.c
+
+
+.SUFFIXES : .c .o
+
+.c.o:
+ $(CC) -c -o $@ $< $(CCINCL) 2>&1 | tee -a errors
+ $(CC) -o ${@:.o=} $@ $(CCINCL) $(CCLIBS) 2>&1 | tee -a errors
+
+all: ${C_APPL_FILES:.c=.o}
+
+
+clean:
+ rm -f *.o *~ errors
+
+cleanall: clean
+ rm -f ${C_APPL_FILES:.c=}
+
diff --git a/demos/natives/x11/makefile.mesa b/demos/natives/x11/makefile.mesa
new file mode 100644
index 0000000..9068e08
--- /dev/null
+++ b/demos/natives/x11/makefile.mesa
@@ -0,0 +1,30 @@
+#
+# Uses: Linux2.0X-glibc-pthreads-mesa3.0pthreads
+#
+
+CC = cc
+
+CCINCL = -I/usr/local/include -I/usr/local/mesa/include -I/usr/X11R6/include
+CCLIBS = -L/usr/X11R6/lib -L/usr/local/lib -L/usr/local/mesa/lib \
+ -lGL -lGLU -lglut \
+ -lXmu -lXt -lSM -lICE -lXext -lX11 -lXi -lXext -lX11 -lm -lpthread
+
+
+C_APPL_FILES = cube.c olympic.c testGL1.c testGL2.c wave.c
+
+
+.SUFFIXES : .c .o
+
+.c.o:
+ $(CC) -c -o $@ $< $(CCINCL) 2>&1 | tee -a errors
+ $(CC) -o ${@:.o=} $@ $(CCINCL) $(CCLIBS) 2>&1 | tee -a errors
+
+all: ${C_APPL_FILES:.c=.o}
+
+
+clean:
+ rm -f *.o *~ errors
+
+cleanall: clean
+ rm -f ${C_APPL_FILES:.c=}
+
diff --git a/demos/natives/x11/makefile.x11 b/demos/natives/x11/makefile.x11
new file mode 100644
index 0000000..d4e03bb
--- /dev/null
+++ b/demos/natives/x11/makefile.x11
@@ -0,0 +1,30 @@
+#
+# Uses: Linux2.0X-glibc-pthreads-mesa3.0pthreads
+#
+
+CC = cc
+
+CCINCL = -I/usr/local/include -I/usr/X11/include -I/usr/X11R6/include
+CCLIBS = -L/usr/X11R6/lib -L/usr/local/lib -L/usr/X11/lib \
+ -lGL -lGLU -lglut \
+ -lXmu -lXt -lSM -lICE -lXext -lX11 -lXi -lXext -lX11 -lm -lpthread
+
+
+C_APPL_FILES = cube.c olympic.c testGL1.c testGL2.c wave.c
+
+
+.SUFFIXES : .c .o
+
+.c.o:
+ $(CC) -c -o $@ $< $(CCINCL) 2>&1 | tee -a errors
+ $(CC) -o ${@:.o=} $@ $(CCINCL) $(CCLIBS) 2>&1 | tee -a errors
+
+all: ${C_APPL_FILES:.c=.o}
+
+
+clean:
+ rm -f *.o *~ errors
+
+cleanall: clean
+ rm -f ${C_APPL_FILES:.c=}
+
diff --git a/demos/natives/x11/olympic.c b/demos/natives/x11/olympic.c
new file mode 100644
index 0000000..0527d58
--- /dev/null
+++ b/demos/natives/x11/olympic.c
@@ -0,0 +1,409 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/**
+ * (c) Copyright 1993, 1994, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <GL/glut.h>
+
+/* Some <math.h> files do not define M_PI... */
+#ifndef M_PI
+#define M_PI 3.141592654
+#endif
+
+extern double drand48(void);
+extern void srand48(long seedval);
+
+#define XSIZE 100
+#define YSIZE 75
+
+#define RINGS 5
+#define BLUERING 0
+#define BLACKRING 1
+#define REDRING 2
+#define YELLOWRING 3
+#define GREENRING 4
+
+#define BACKGROUND 8
+
+enum {
+ BLACK = 0,
+ RED,
+ GREEN,
+ YELLOW,
+ BLUE,
+ MAGENTA,
+ CYAN,
+ WHITE
+};
+
+typedef short Point[2];
+
+GLenum rgb, doubleBuffer, directRender;
+
+unsigned char rgb_colors[RINGS][3];
+int mapped_colors[RINGS];
+float dests[RINGS][3];
+float offsets[RINGS][3];
+float angs[RINGS];
+float rotAxis[RINGS][3];
+int iters[RINGS];
+GLuint theTorus;
+
+void
+FillTorus(float rc, int numc, float rt, int numt)
+{
+ int i, j, k;
+ double s, t;
+ double x, y, z;
+ double pi, twopi;
+
+ pi = M_PI;
+ twopi = 2 * pi;
+
+ for (i = 0; i < numc; i++) {
+ glBegin(GL_QUAD_STRIP);
+ for (j = 0; j <= numt; j++) {
+ for (k = 1; k >= 0; k--) {
+ s = (i + k) % numc + 0.5;
+ t = j % numt;
+
+ x = cos(t * twopi / numt) * cos(s * twopi / numc);
+ y = sin(t * twopi / numt) * cos(s * twopi / numc);
+ z = sin(s * twopi / numc);
+ glNormal3f(x, y, z);
+
+ x = (rt + rc * cos(s * twopi / numc)) * cos(t * twopi / numt);
+ y = (rt + rc * cos(s * twopi / numc)) * sin(t * twopi / numt);
+ z = rc * sin(s * twopi / numc);
+ glVertex3f(x, y, z);
+ }
+ }
+ glEnd();
+ }
+}
+
+float
+Clamp(int iters_left, float t)
+{
+
+ if (iters_left < 3) {
+ return 0.0;
+ }
+ return (iters_left - 2) * t / iters_left;
+}
+
+void
+Idle(void)
+{
+ int i, j;
+ int more = GL_FALSE;
+
+ for (i = 0; i < RINGS; i++) {
+ if (iters[i]) {
+ for (j = 0; j < 3; j++) {
+ offsets[i][j] = Clamp(iters[i], offsets[i][j]);
+ }
+ angs[i] = Clamp(iters[i], angs[i]);
+ iters[i]--;
+ more = GL_TRUE;
+ }
+ }
+ if (more) {
+ glutPostRedisplay();
+ } else {
+ glutIdleFunc(NULL);
+ }
+}
+
+void
+DrawScene(void)
+{
+ int i;
+
+ glPushMatrix();
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0);
+
+ for (i = 0; i < RINGS; i++) {
+ if (rgb) {
+ glColor3ubv(rgb_colors[i]);
+ } else {
+ glIndexi(mapped_colors[i]);
+ }
+ glPushMatrix();
+ glTranslatef(dests[i][0] + offsets[i][0], dests[i][1] + offsets[i][1],
+ dests[i][2] + offsets[i][2]);
+ glRotatef(angs[i], rotAxis[i][0], rotAxis[i][1], rotAxis[i][2]);
+ glCallList(theTorus);
+ glPopMatrix();
+ }
+
+ glPopMatrix();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ } else {
+ glFlush();
+ }
+}
+
+float
+MyRand(void)
+{
+ return 10.0 * (drand48() - 0.5);
+}
+
+void
+ReInit(void)
+{
+ int i;
+ float deviation;
+
+ deviation = MyRand() / 2;
+ deviation = deviation * deviation;
+ for (i = 0; i < RINGS; i++) {
+ offsets[i][0] = MyRand();
+ offsets[i][1] = MyRand();
+ offsets[i][2] = MyRand();
+ angs[i] = 260.0 * MyRand();
+ rotAxis[i][0] = MyRand();
+ rotAxis[i][1] = MyRand();
+ rotAxis[i][2] = MyRand();
+ iters[i] = (deviation * MyRand() + 60.0);
+ }
+}
+
+void
+Init(void)
+{
+ int i;
+ float top_y = 1.0;
+ float bottom_y = 0.0;
+ float top_z = 0.15;
+ float bottom_z = 0.69;
+ float spacing = 2.5;
+ static float lmodel_ambient[] =
+ {0.0, 0.0, 0.0, 0.0};
+ static float lmodel_twoside[] =
+ {GL_FALSE};
+ static float lmodel_local[] =
+ {GL_FALSE};
+ static float light0_ambient[] =
+ {0.1, 0.1, 0.1, 1.0};
+ static float light0_diffuse[] =
+ {1.0, 1.0, 1.0, 0.0};
+ static float light0_position[] =
+ {0.8660254, 0.5, 1, 0};
+ static float light0_specular[] =
+ {1.0, 1.0, 1.0, 0.0};
+ static float bevel_mat_ambient[] =
+ {0.0, 0.0, 0.0, 1.0};
+ static float bevel_mat_shininess[] =
+ {40.0};
+ static float bevel_mat_specular[] =
+ {1.0, 1.0, 1.0, 0.0};
+ static float bevel_mat_diffuse[] =
+ {1.0, 0.0, 0.0, 0.0};
+
+ srand48(0x102342);
+ ReInit();
+ for (i = 0; i < RINGS; i++) {
+ rgb_colors[i][0] = rgb_colors[i][1] = rgb_colors[i][2] = 0;
+ }
+ rgb_colors[BLUERING][2] = 255;
+ rgb_colors[REDRING][0] = 255;
+ rgb_colors[GREENRING][1] = 255;
+ rgb_colors[YELLOWRING][0] = 255;
+ rgb_colors[YELLOWRING][1] = 255;
+ mapped_colors[BLUERING] = BLUE;
+ mapped_colors[REDRING] = RED;
+ mapped_colors[GREENRING] = GREEN;
+ mapped_colors[YELLOWRING] = YELLOW;
+ mapped_colors[BLACKRING] = BLACK;
+
+ dests[BLUERING][0] = -spacing;
+ dests[BLUERING][1] = top_y;
+ dests[BLUERING][2] = top_z;
+
+ dests[BLACKRING][0] = 0.0;
+ dests[BLACKRING][1] = top_y;
+ dests[BLACKRING][2] = top_z;
+
+ dests[REDRING][0] = spacing;
+ dests[REDRING][1] = top_y;
+ dests[REDRING][2] = top_z;
+
+ dests[YELLOWRING][0] = -spacing / 2.0;
+ dests[YELLOWRING][1] = bottom_y;
+ dests[YELLOWRING][2] = bottom_z;
+
+ dests[GREENRING][0] = spacing / 2.0;
+ dests[GREENRING][1] = bottom_y;
+ dests[GREENRING][2] = bottom_z;
+
+ theTorus = glGenLists(1);
+ glNewList(theTorus, GL_COMPILE);
+ FillTorus(0.1, 8, 1.0, 25);
+ glEndList();
+
+ glEnable(GL_CULL_FACE);
+ glCullFace(GL_BACK);
+ glEnable(GL_DEPTH_TEST);
+ glClearDepth(1.0);
+
+ if (rgb) {
+ glClearColor(0.5, 0.5, 0.5, 0.0);
+ glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
+ glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
+ glEnable(GL_LIGHT0);
+
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glEnable(GL_LIGHTING);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, bevel_mat_ambient);
+ glMaterialfv(GL_FRONT, GL_SHININESS, bevel_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, bevel_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, bevel_mat_diffuse);
+
+ glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+ glEnable(GL_COLOR_MATERIAL);
+ glShadeModel(GL_SMOOTH);
+ } else {
+ glClearIndex(BACKGROUND);
+ glShadeModel(GL_FLAT);
+ }
+
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective(45, 1.33, 0.1, 100.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+void
+Reshape(int width, int height)
+{
+ glViewport(0, 0, width, height);
+}
+
+/* ARGSUSED1 */
+void
+Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ case ' ':
+ ReInit();
+ glutIdleFunc(Idle);
+ break;
+ }
+}
+
+GLenum
+Args(int argc, char **argv)
+{
+ GLint i;
+
+ rgb = GL_TRUE;
+ doubleBuffer = GL_TRUE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-ci") == 0) {
+ rgb = GL_FALSE;
+ } else if (strcmp(argv[i], "-rgb") == 0) {
+ rgb = GL_TRUE;
+ } else if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+void
+visible(int vis)
+{
+ if (vis == GLUT_VISIBLE) {
+ glutIdleFunc(Idle);
+ } else {
+ glutIdleFunc(NULL);
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInitWindowSize(400, 300);
+ glutInit(&argc, argv);
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+ type = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ glutCreateWindow("Olympic");
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(DrawScene);
+
+ glutVisibilityFunc(visible);
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
diff --git a/demos/natives/x11/testGL1.c b/demos/natives/x11/testGL1.c
new file mode 100644
index 0000000..71f9ab2
--- /dev/null
+++ b/demos/natives/x11/testGL1.c
@@ -0,0 +1,222 @@
+
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <GL/gl.h>
+#include <GL/glut.h>
+
+double width = 250;
+double height = 250;
+double fps = 25.0;
+
+ static float lmodel_twoside[] =
+ {GL_FALSE};
+ static float lmodel_local[] =
+ {GL_FALSE};
+ static float lmodel_ambient[] =
+ {0.0, 0.0, 0.0, 0.0};
+
+void CylinderDraw( )
+{
+ glBegin( GL_TRIANGLE_STRIP );
+ glNormal3f ( 1.0, 0.0, -5.0 );
+ glVertex3f ( 1.0, 0.0, -5.0 );
+ glNormal3f ( 1.0, 0.0, -5.0 );
+ glVertex3f (1.000000, 0.000000, 5.000000);
+ glNormal3f (0.707107, 0.707107, -5.000000);
+ glVertex3f (0.707107, 0.707107, -5.000000);
+ glNormal3f (0.707107, 0.707107, -5.000000);
+ glVertex3f (0.707107, 0.707107, 5.000000);
+ glNormal3f (0.000000, 1.000000, -5.000000);
+ glVertex3f (0.000000, 1.000000, -5.000000);
+ glNormal3f (0.000000, 1.000000, -5.000000);
+ glVertex3f (0.000000, 1.000000, 5.000000);
+ glNormal3f (-0.707107, 0.707107, -5.00000);
+ glVertex3f (-0.707107, 0.707107, -5.00000);
+ glNormal3f (-0.707107, 0.707107, -5.00000);
+ glVertex3f (-0.707107, 0.707107, 5.00000);
+ glNormal3f (-1.000000, 0.000000, -5.000000);
+ glVertex3f (-1.000000, 0.000000, -5.000000);
+ glNormal3f (-1.000000, 0.000000, -5.000000);
+ glVertex3f (-1.000000, 0.000000, 5.00000);
+ glNormal3f (-0.707107, -0.707107, -5.000000);
+ glVertex3f (-0.707107, -0.707107, -5.000000);
+ glNormal3f (-0.707107, -0.707107, -5.000000);
+ glVertex3f (-0.707107, -0.707107, 5.00000);
+ glNormal3f (0.000000, -1.000000, -5.000000);
+ glVertex3f (0.000000, -1.000000, -5.000000);
+ glNormal3f (0.000000, -1.000000, -5.000000);
+ glVertex3f (0.000000, -1.000000, 5.00000);
+ glNormal3f (0.707107, -0.707107, -5.00000);
+ glVertex3f (0.707107, -0.707107, -5.00000);
+ glNormal3f (0.707107, -0.707107, -5.00000);
+ glVertex3f (0.707107, -0.707107, 5.000000);
+ glNormal3f (1.000000, 0.000000, -5.00000);
+ glVertex3f (1.000000, 0.000000, -5.00000);
+ glNormal3f (1.000000, 0.000000, -5.00000);
+ glVertex3f (1.000000, 0.000000, 5.00000);
+ glEnd();
+}
+
+void reshape(int width, int height)
+{
+ double fov = 45.0,
+ aspect = width / height,
+ near_ = 1.0,
+ far_ = 200.0;
+
+ glViewport( 0, 0, width, height );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+
+ gluPerspective( fov, aspect, near_, far_ );
+
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+}
+
+void display()
+{
+ static int FrameStep = 0;
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ glPushMatrix();
+ glTranslatef( 0.0, 0.0, -65.0 );
+ glRotatef( 40.0+(2*FrameStep), 0.0, 0.0, 1.0 );
+ glRotatef( 190.0+(2*FrameStep), 0.0, 1.0, 0.0 );
+ glRotatef( 200.0+(FrameStep*2), 1.0, 0.0, 0.0 );
+ glPushMatrix();
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef( 90.0, 0.0, 1.0, 0.0 );
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef( 90.0, 1.0, 0.0, 0.0 );
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPopMatrix();
+
+ glutSwapBuffers();
+ /* glFlush(); */
+
+ FrameStep++;
+
+ if(FrameStep>100000) FrameStep=0;
+
+}
+
+void init()
+{
+ double fov = 45.0;
+ double aspect = width / height ;
+ double near_ = 1.0;
+ double far_ = 200.0;
+ float lightArr[4];
+ float farr[4];
+
+ /* initialize the widget */
+ glClearColor( 0.8f, 0.8f, 1.0f, 1.0f );
+ glFrontFace( GL_CW );
+ glEnable( GL_DEPTH_TEST );
+
+ glViewport( 0, 0, width, height );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+
+ gluPerspective( fov, aspect, near_, far_ );
+
+ /* render three rotated cylinders */
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ /* enable lighting */
+ lightArr[0] = 1.0f; lightArr[1] = 1.0f;
+ lightArr[2] = 1.0f; lightArr[3] = 1.0f;
+ glLightfv( GL_LIGHT0, GL_DIFFUSE, lightArr );
+ lightArr[0] = 90.0f; lightArr[1] = 90.0f;
+ lightArr[2] = 0.0f; lightArr[3] = 0.0f;
+ glLightfv( GL_LIGHT0, GL_POSITION, lightArr );
+ lightArr[0] = 0.1f; lightArr[1] = 0.1f;
+ lightArr[2] = 0.1f; lightArr[3] = 1.0f;
+ glLightfv( GL_LIGHT0, GL_AMBIENT, lightArr );
+ glEnable( GL_LIGHT0 );
+
+ /*
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ */
+ glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+ glEnable( GL_LIGHTING );
+
+ /*
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glEnable( GL_LIGHTING );
+ */
+
+
+ glMaterialf( GL_FRONT, GL_SHININESS, 30.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_FRONT, GL_SPECULAR, farr );
+
+ farr[0] = 0.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_FRONT, GL_DIFFUSE, farr );
+
+ glMaterialf( GL_BACK, GL_SHININESS, 50.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 1.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_BACK, GL_SPECULAR, farr );
+
+ farr[0] = 1.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_BACK, GL_DIFFUSE, farr );
+
+}
+
+void idle()
+{
+ glutPostRedisplay();
+}
+
+int main( int argc, char **argv)
+{
+ fprintf(stderr,"1\n");
+ if(argc>2 && strcmp(argv[1], "-fps")==0)
+ {
+ fprintf(stderr,"2\n");
+ fps = atof(argv[2]);
+ argc-=2;
+ argv+=2;
+ }
+ fprintf(stderr, "Frame Per Secounds %d\n ( will be ignored this time )\n", fps);
+
+ glutInit(&argc, argv);
+ glutInitDisplayMode ( GLUT_DOUBLE
+ | GLUT_DEPTH
+ | GLUT_RGBA
+ );
+ glutInitWindowSize(width,height);
+ glutInitWindowPosition(100,100);
+ glutCreateWindow("OpenGL GLUT/NATIVE");
+ init();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutIdleFunc(idle);
+ glutMainLoop();
+ return 0;
+}
+
diff --git a/demos/natives/x11/testGL2.c b/demos/natives/x11/testGL2.c
new file mode 100644
index 0000000..335acc9
--- /dev/null
+++ b/demos/natives/x11/testGL2.c
@@ -0,0 +1,517 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#include <GL/glx.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+Display *dpy; /* X display connection */
+Window xid; /* X window id */
+GLXContext glid; /* GL window id */
+
+double width = 250;
+double height = 250;
+double fps = 25.0;
+
+ static float lmodel_twoside[] =
+ {GL_FALSE};
+ static float lmodel_local[] =
+ {GL_FALSE};
+ static float lmodel_ambient[] =
+ {0.0, 0.0, 0.0, 0.0};
+
+void CylinderDraw( )
+{
+ glBegin( GL_TRIANGLE_STRIP );
+ glNormal3f ( 1.0, 0.0, -5.0 );
+ glVertex3f ( 1.0, 0.0, -5.0 );
+ glNormal3f ( 1.0, 0.0, -5.0 );
+ glVertex3f (1.000000, 0.000000, 5.000000);
+ glNormal3f (0.707107, 0.707107, -5.000000);
+ glVertex3f (0.707107, 0.707107, -5.000000);
+ glNormal3f (0.707107, 0.707107, -5.000000);
+ glVertex3f (0.707107, 0.707107, 5.000000);
+ glNormal3f (0.000000, 1.000000, -5.000000);
+ glVertex3f (0.000000, 1.000000, -5.000000);
+ glNormal3f (0.000000, 1.000000, -5.000000);
+ glVertex3f (0.000000, 1.000000, 5.000000);
+ glNormal3f (-0.707107, 0.707107, -5.00000);
+ glVertex3f (-0.707107, 0.707107, -5.00000);
+ glNormal3f (-0.707107, 0.707107, -5.00000);
+ glVertex3f (-0.707107, 0.707107, 5.00000);
+ glNormal3f (-1.000000, 0.000000, -5.000000);
+ glVertex3f (-1.000000, 0.000000, -5.000000);
+ glNormal3f (-1.000000, 0.000000, -5.000000);
+ glVertex3f (-1.000000, 0.000000, 5.00000);
+ glNormal3f (-0.707107, -0.707107, -5.000000);
+ glVertex3f (-0.707107, -0.707107, -5.000000);
+ glNormal3f (-0.707107, -0.707107, -5.000000);
+ glVertex3f (-0.707107, -0.707107, 5.00000);
+ glNormal3f (0.000000, -1.000000, -5.000000);
+ glVertex3f (0.000000, -1.000000, -5.000000);
+ glNormal3f (0.000000, -1.000000, -5.000000);
+ glVertex3f (0.000000, -1.000000, 5.00000);
+ glNormal3f (0.707107, -0.707107, -5.00000);
+ glVertex3f (0.707107, -0.707107, -5.00000);
+ glNormal3f (0.707107, -0.707107, -5.00000);
+ glVertex3f (0.707107, -0.707107, 5.000000);
+ glNormal3f (1.000000, 0.000000, -5.00000);
+ glVertex3f (1.000000, 0.000000, -5.00000);
+ glNormal3f (1.000000, 0.000000, -5.00000);
+ glVertex3f (1.000000, 0.000000, 5.00000);
+ glEnd();
+}
+
+void reshape(int width, int height)
+{
+ double fov = 45.0,
+ aspect = width / height,
+ near = 1.0,
+ far = 200.0;
+
+ glViewport( 0, 0, width, height );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+
+ gluPerspective( fov, aspect, near, far );
+
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+}
+
+void display()
+{
+ static int FrameStep = 0;
+
+ glXWaitGL();
+ glXWaitX();
+ /* associated the context with the X window */
+ if( glXMakeCurrent( dpy, xid, glid ) == False) {
+ glXDestroyContext( display, glid );
+ fprintf(stderr,"(NO GC ASSOC)\n");
+ fflush(stderr);
+ return 1;
+ }
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ glPushMatrix();
+ glTranslatef( 0.0, 0.0, -65.0 );
+ glRotatef( 40.0+(2*FrameStep), 0.0, 0.0, 1.0 );
+ glRotatef( 190.0+(2*FrameStep), 0.0, 1.0, 0.0 );
+ glRotatef( 200.0+(FrameStep*2), 1.0, 0.0, 0.0 );
+ glPushMatrix();
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef( 90.0, 0.0, 1.0, 0.0 );
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPushMatrix();
+ glRotatef( 90.0, 1.0, 0.0, 0.0 );
+ glScalef( 1.0, 1.0, 10.0 );
+ CylinderDraw( );
+ glPopMatrix();
+ glPopMatrix();
+
+ glXWaitGL();
+ glXWaitX();
+ glXSwapBuffers(dpy, xid);
+
+ glXWaitGL();
+ glXWaitX();
+ /* associated the context with the X window */
+ if( glXMakeCurrent( dpy, None, NULL ) == False) {
+ glXDestroyContext( display, glid );
+ fprintf(stderr,"(free GC failed)\n");
+ fflush(stderr);
+ return 1;
+ }
+
+ FrameStep++;
+
+ if(FrameStep>100000) FrameStep=0;
+
+}
+
+void init()
+{
+ double fov = 45.0;
+ double aspect = width / height ;
+ double near = 1.0;
+ double far = 200.0;
+ float lightArr[4];
+ float farr[4];
+
+ /* initialize the widget */
+ glClearColor( 0.8f, 0.8f, 1.0f, 1.0f );
+ glFrontFace( GL_CW );
+ glEnable( GL_DEPTH_TEST );
+
+ glViewport( 0, 0, width, height );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+
+ gluPerspective( fov, aspect, near, far );
+
+ /* render three rotated cylinders */
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ /* enable lighting */
+ lightArr[0] = 1.0f; lightArr[1] = 1.0f;
+ lightArr[2] = 1.0f; lightArr[3] = 1.0f;
+ glLightfv( GL_LIGHT0, GL_DIFFUSE, lightArr );
+ lightArr[0] = 90.0f; lightArr[1] = 90.0f;
+ lightArr[2] = 0.0f; lightArr[3] = 0.0f;
+ glLightfv( GL_LIGHT0, GL_POSITION, lightArr );
+ lightArr[0] = 0.1f; lightArr[1] = 0.1f;
+ lightArr[2] = 0.1f; lightArr[3] = 1.0f;
+ glLightfv( GL_LIGHT0, GL_AMBIENT, lightArr );
+ glEnable( GL_LIGHT0 );
+
+ /*
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ */
+ glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+ glEnable( GL_LIGHTING );
+
+ /*
+ glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glEnable( GL_LIGHTING );
+ */
+
+
+ glMaterialf( GL_FRONT, GL_SHININESS, 30.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_FRONT, GL_SPECULAR, farr );
+
+ farr[0] = 0.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_FRONT, GL_DIFFUSE, farr );
+
+ glMaterialf( GL_BACK, GL_SHININESS, 50.0f );
+
+ farr[0] = 0.0f; farr[1] = 0.0f; farr[2] = 1.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_BACK, GL_SPECULAR, farr );
+
+ farr[0] = 1.0f; farr[1] = 1.0f; farr[2] = 0.0f; farr[3] = 1.0f;
+ glMaterialfv( GL_BACK, GL_DIFFUSE, farr );
+
+}
+
+
+static void GetLargeVisual(Display *dpy, XVisualInfo *bigVisualInfo);
+static XVisualInfo *findVisualGlX( Display *display);
+Window findAWindow( const char *frameName, Display *display, Window window);
+int verbose=1;
+
+main()
+{
+ XWMHints *p_xwmh=NULL;
+ Window xid2;
+ XEvent event;
+ XVisualInfo bigVisualInfo; /* largest pseudo color visual type */
+ XSetWindowAttributes attribs; /* X window attributes structure */
+ Colormap bigColormap; /* 12-bit color map */
+ unsigned long vmask; /* value mask for attributes */
+ int i;
+
+
+ /* Get the X display connection. We'll assume that the DISPLAY
+ * environment variable is "unix:0" since GL windows only run on
+ * on the local display. */
+ if(!(dpy = XOpenDisplay(""))) {
+ printf("\n can't open display connection \n");
+ exit(0);
+ }
+
+ /* GetLargeVisual(dpy, &bigVisualInfo); */
+ bigVisualInfo = * findVisualGlX(dpy);
+ printf("\n address of XVisualInfo structure = 0x%x \n", bigVisualInfo);
+ printf("\n address of Visual structure = 0x%x ", bigVisualInfo.visual);
+ printf("\n visualID = 0x%x ", bigVisualInfo.visualid);
+ printf("\n depth of visual = %d", bigVisualInfo.depth);
+ printf("\n class of visual = %d", bigVisualInfo.class);
+ printf("\n bits_per_rgb of visual = %d", bigVisualInfo.bits_per_rgb);
+ printf("\n colormap_size of visual = %d \n", bigVisualInfo.colormap_size);
+
+ attribs.event_mask =
+ ExposureMask;
+ attribs.border_pixel =
+ BlackPixel(dpy, bigVisualInfo.screen);
+ attribs.colormap =
+ XCreateColormap( dpy,
+ RootWindow( dpy, bigVisualInfo.screen ),
+ bigVisualInfo.visual,
+ AllocNone ) ;
+
+
+ attribs.background_pixel = 0xFFFFFFFF;
+
+ attribs.background_pixel =
+ BlackPixel(dpy, bigVisualInfo.screen);
+
+ attribs.border_pixmap = None;
+ attribs.background_pixmap = None;
+
+ vmask = CWColormap | CWBorderPixmap | CWBackPixmap;
+ vmask = CWEventMask | CWColormap | CWBorderPixel | CWBackPixel;
+
+ xid =
+ XCreateWindow(dpy,
+ RootWindow( dpy, bigVisualInfo.screen ),
+ 0,0, 400, 400,
+ 0,
+ bigVisualInfo.depth,
+ InputOutput, bigVisualInfo.visual,
+ vmask,
+ &attribs);
+
+ /* Name the window, map it, and flush the X buffer. */
+ XStoreName(dpy, xid, "GLWindow");
+ XMapWindow(dpy, xid);
+ XFlush(dpy);
+
+ glid = glXCreateContext( dpy, &bigVisualInfo, None, True );
+
+ /* check if the context could be created */
+ if( glid == NULL ) {
+ fprintf(stderr,"(NO GC)\n");
+ fflush(stderr);
+ return 1;
+ }
+ /* associated the context with the X window */
+ if( glXMakeCurrent( dpy, xid, glid ) == False) {
+ glXDestroyContext( display, glid );
+ fprintf(stderr,"(NO GC ASSOC)\n");
+ fflush(stderr);
+ return 1;
+ }
+
+ XFlush(dpy);
+ XRaiseWindow (dpy, xid);
+
+ xid2 = findAWindow("GLWindow", dpy, RootWindow( dpy, bigVisualInfo.screen ));
+
+ if(xid==xid2)
+ fprintf(stderr,"found win equals created win\n");
+ else
+ fprintf(stderr,"found win ** NOT ** equals created win\n");
+ fflush(stderr);
+
+ if((p_xwmh = XAllocWMHints()) == NULL)
+ {
+ fprintf(stderr,"No Mem for WMHints\n");
+ fflush(stderr);
+ exit(1);
+ }
+ p_xwmh->flags = (InputHint|StateHint);
+ p_xwmh->input = True;
+ p_xwmh->initial_state=NormalState;
+
+ XSetWMHints(dpy, xid, p_xwmh);
+
+ init();
+
+ for(;;)
+ display();
+
+ /* exit */
+ XDestroyWindow(dpy, xid);
+ XCloseDisplay(dpy);
+}
+
+/* ============================================================== */
+/* The following routine draws a constant pitch spiral,
+ * with initial radius r0, pitch p,
+ * nsteps line segments per revolution,
+ * and nrev revolutions */
+
+/* ============================================================== */
+
+void GetLargeVisual(Display *dpy, XVisualInfo *bigVisualInfo)
+{
+ XVisualInfo *visual_info; /* Info. about visual classes */
+ /*
+ * Get all visuals based on these masks
+ */
+ long vinfo_mask = VisualClassMask | VisualScreenMask;
+ XVisualInfo vtemp ; /* template for visuals to look for */
+ int i; /* counter */
+ int nitem ; /* number of visuals returned */
+
+ /*
+ * Get All PseudoColor Visuals
+ */
+ vtemp.class = PseudoColor ; /* Set PseudoColor class */
+ vtemp.screen = DefaultScreen(dpy) ; /* Set screen */
+ /*
+ * Get all visuals of the correct class on the correct screen
+ */
+ visual_info = XGetVisualInfo(dpy, vinfo_mask, &vtemp, &nitem) ;
+ /*
+ * Search for largest visual from all visual classes
+ */
+ *(bigVisualInfo) = *(visual_info);
+
+
+ /* NOTE: on GXT1000 and GXT500 family, winX does not support
+ * overlay window, so careful not to pick up overlay visual
+ * here!
+ */
+
+ for (i=0; i<nitem; i++, visual_info++) {
+ if (visual_info->colormap_size >= bigVisualInfo->colormap_size) {
+ *(bigVisualInfo) = *(visual_info);
+ }
+ }
+ /*
+ * return largest visual
+ */
+ return;
+}
+
+static XVisualInfo *findVisualGlX( Display *display )
+{
+ int visualAttribList[11];
+ XVisualInfo *visual;
+
+ /* Ask GLX for a visual that matches the attributes we want: Single
+ buffered and RGB with at least 4 bits for each component
+ */
+ visualAttribList[0] = GLX_RGBA;
+ visualAttribList[1] = GLX_RED_SIZE;
+ visualAttribList[2] = 1;
+ visualAttribList[3] = GLX_GREEN_SIZE;
+ visualAttribList[4] = 1;
+ visualAttribList[5] = GLX_BLUE_SIZE;
+ visualAttribList[6] = 1;
+ visualAttribList[7] = GLX_DOUBLEBUFFER;
+ visualAttribList[8] = GLX_DEPTH_SIZE;
+ visualAttribList[9] = 1;
+ visualAttribList[10] = None;
+
+ visual = glXChooseVisual( display,
+ DefaultScreen( display ),
+ visualAttribList );
+ fprintf(stderr, "\nused vi(ID:%d): \n screen %d, depth %d, class %d,\n clrmapsz %d, bitsPerRGB %d\n",
+ visual->visualid,
+ visual->screen,
+ visual->depth,
+ visual->class,
+ visual->colormap_size,
+ visual->bits_per_rgb );
+ fflush(stderr);
+
+ return( visual );
+}
+
+Window findAWindow( const char *frameName, Display *display, Window window)
+{
+ /* Variables used to find the correct java Window to render into */
+ Window root, parent, *children;
+ unsigned int numOfChildren;
+ char *buff;
+ int i, status;
+ Window retWindow, lastWindow;
+
+ /* debug helpers */
+ int i1, i2, i3;
+
+ XFlush(display);
+
+ status = XFetchName( display, window, &buff );
+
+ if( status )
+ {
+ if( !strcmp( frameName, buff ) )
+ {
+ /* Ok, we've found it,
+ so return the last child under this heirarchy
+ */
+ lastWindow = window;
+
+ XFlush(display);
+
+ status = XQueryTree( display, window,
+ &root, &parent, &children, &numOfChildren );
+
+ if(verbose)
+ {
+ fprintf(stderr,"\nfjw 4 (got :0x%x with %d childs)\n",
+ window, numOfChildren);
+ fflush(stderr);
+ }
+
+ i1=0;
+
+ while( status )
+ {
+ if( children == NULL )
+ {
+ XFlush(display);
+
+ if(verbose)
+ {
+ fprintf(stderr,"\nfjw 4 (FOUND LAST WINDOW 0x%x)\n",
+ lastWindow);
+ fflush(stderr);
+ }
+ return lastWindow;
+ }
+ lastWindow = children[numOfChildren-1];
+
+ status = XQueryTree( display, lastWindow,
+ &root, &parent, &children, &numOfChildren );
+
+ if(verbose)
+ {
+ fprintf(stderr,"fjw 4 (got :0x%x with %d childs)\n",
+ lastWindow, numOfChildren);
+ fflush(stderr);
+ }
+
+ XFlush(display);
+
+ }
+
+ return (Window)0;
+ }
+ }
+
+ /* If Window has no name, or if it's not equal to the java Frame window name
+ carry on searching recursivly
+ */
+ status = XQueryTree( display, window,
+ &root, &parent, &children, &numOfChildren );
+
+ XFlush(display);
+
+ if( status )
+ {
+ for( i=0; i < numOfChildren; i++ )
+ {
+ retWindow = findAWindow( frameName, display, children[ i ]);
+ if( retWindow )
+ {
+ /* Free up the child list */
+ /* XFree( children ); */
+ return retWindow;
+ }
+ }
+ }
+
+ /* Free up the child list */
+ /* if(children!=0) XFree( children ); */
+ return (Window)0;
+}
diff --git a/demos/natives/x11/wave.c b/demos/natives/x11/wave.c
new file mode 100644
index 0000000..36d518d
--- /dev/null
+++ b/demos/natives/x11/wave.c
@@ -0,0 +1,500 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include "GL/glut.h"
+
+
+#ifndef PI
+#define PI 3.14159265358979323846
+#endif
+
+#define GETCOORD(frame, x, y) (&(theMesh.coords[frame*theMesh.numCoords+(x)+(y)*(theMesh.widthX+1)]))
+#define GETFACET(frame, x, y) (&(theMesh.facets[frame*theMesh.numFacets+(x)+(y)*theMesh.widthX]))
+
+
+GLenum rgb, doubleBuffer, directRender;
+
+GLint colorIndexes1[3];
+GLint colorIndexes2[3];
+GLenum clearMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+
+GLenum smooth = GL_FALSE;
+GLenum lighting = GL_TRUE;
+GLenum depth = GL_TRUE;
+GLenum stepMode = GL_FALSE;
+GLenum spinMode = GL_FALSE;
+GLint contouring = 0;
+
+GLint widthX, widthY;
+GLint checkerSize;
+float height;
+
+GLint frames, curFrame = 0, nextFrame = 0;
+
+struct facet {
+ float color[3];
+ float normal[3];
+};
+struct coord {
+ float vertex[3];
+ float normal[3];
+};
+struct mesh {
+ GLint widthX, widthY;
+ GLint numFacets;
+ GLint numCoords;
+ GLint frames;
+ struct coord *coords;
+ struct facet *facets;
+} theMesh;
+
+GLubyte contourTexture1[] = {
+ 255, 255, 255, 255,
+ 255, 255, 255, 255,
+ 255, 255, 255, 255,
+ 127, 127, 127, 127,
+};
+GLubyte contourTexture2[] = {
+ 255, 255, 255, 255,
+ 255, 127, 127, 127,
+ 255, 127, 127, 127,
+ 255, 127, 127, 127,
+};
+
+
+static void display(void)
+{
+ struct coord *coord;
+ struct facet *facet;
+ float *lastColor;
+ float *thisColor;
+ GLint i, j;
+
+ glClear(clearMask);
+
+ if (nextFrame || !stepMode) {
+ curFrame++;
+ }
+ if (curFrame >= theMesh.frames) {
+ curFrame = 0;
+ }
+
+ if ((nextFrame || !stepMode) && spinMode) {
+ glRotatef(5.0, 0.0, 0.0, 1.0);
+ }
+ nextFrame = 0;
+
+ for (i = 0; i < theMesh.widthX; i++) {
+ glBegin(GL_QUAD_STRIP);
+ lastColor = NULL;
+ for (j = 0; j < theMesh.widthY; j++) {
+ facet = GETFACET(curFrame, i, j);
+ if (!smooth && lighting) {
+ glNormal3fv(facet->normal);
+ }
+ if (lighting) {
+ thisColor = facet->color;
+ glColor3fv(facet->color);
+ } else {
+ thisColor = facet->color;
+ glColor3fv(facet->color);
+ }
+
+ if (!lastColor || (thisColor[0] != lastColor[0] && smooth)) {
+ if (lastColor) {
+ glEnd();
+ glBegin(GL_QUAD_STRIP);
+ }
+ coord = GETCOORD(curFrame, i, j);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ coord = GETCOORD(curFrame, i+1, j);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+ }
+
+ coord = GETCOORD(curFrame, i, j+1);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ coord = GETCOORD(curFrame, i+1, j+1);
+ if (smooth && lighting) {
+ glNormal3fv(coord->normal);
+ }
+ glVertex3fv(coord->vertex);
+
+ lastColor = thisColor;
+ }
+ glEnd();
+ }
+
+ glFlush();
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+
+static void InitMesh(void)
+{
+ struct coord *coord;
+ struct facet *facet;
+ float dp1[3], dp2[3];
+ float *pt1, *pt2, *pt3;
+ float angle, d, x, y;
+ GLint numFacets, numCoords, frameNum, i, j;
+
+ theMesh.widthX = widthX;
+ theMesh.widthY = widthY;
+ theMesh.frames = frames;
+
+ numFacets = widthX * widthY;
+ numCoords = (widthX + 1) * (widthY + 1);
+
+ theMesh.numCoords = numCoords;
+ theMesh.numFacets = numFacets;
+
+ theMesh.coords = (struct coord *)malloc(frames*numCoords*
+ sizeof(struct coord));
+ theMesh.facets = (struct facet *)malloc(frames*numFacets*
+ sizeof(struct facet));
+ if (theMesh.coords == NULL || theMesh.facets == NULL) {
+ printf("Out of memory.\n");
+ exit(0);
+ }
+
+ for (frameNum = 0; frameNum < frames; frameNum++) {
+ for (i = 0; i <= widthX; i++) {
+ x = i / (float)widthX;
+ for (j = 0; j <= widthY; j++) {
+ y = j / (float)widthY;
+
+ d = sqrt(x*x+y*y);
+ if (d == 0.0) {
+ d = 0.0001;
+ }
+ angle = 2 * PI * d + (2 * PI / frames * frameNum);
+
+ coord = GETCOORD(frameNum, i, j);
+
+ coord->vertex[0] = x - 0.5;
+ coord->vertex[1] = y - 0.5;
+ coord->vertex[2] = (height - height * d) * cos(angle);
+
+ coord->normal[0] = -(height / d) * x * ((1 - d) * 2 * PI *
+ sin(angle) + cos(angle));
+ coord->normal[1] = -(height / d) * y * ((1 - d) * 2 * PI *
+ sin(angle) + cos(angle));
+ coord->normal[2] = -1;
+
+ d = 1.0 / sqrt(coord->normal[0]*coord->normal[0]+
+ coord->normal[1]*coord->normal[1]+1);
+ coord->normal[0] *= d;
+ coord->normal[1] *= d;
+ coord->normal[2] *= d;
+ }
+ }
+ for (i = 0; i < widthX; i++) {
+ for (j = 0; j < widthY; j++) {
+ facet = GETFACET(frameNum, i, j);
+ if (((i/checkerSize)%2)^(j/checkerSize)%2) {
+ facet->color[0] = 1.0;
+ facet->color[1] = 0.2;
+ facet->color[2] = 0.2;
+ } else {
+ facet->color[0] = 0.2;
+ facet->color[1] = 1.0;
+ facet->color[2] = 0.2;
+ }
+ pt1 = GETCOORD(frameNum, i, j)->vertex;
+ pt2 = GETCOORD(frameNum, i, j+1)->vertex;
+ pt3 = GETCOORD(frameNum, i+1, j+1)->vertex;
+
+ dp1[0] = pt2[0] - pt1[0];
+ dp1[1] = pt2[1] - pt1[1];
+ dp1[2] = pt2[2] - pt1[2];
+
+ dp2[0] = pt3[0] - pt2[0];
+ dp2[1] = pt3[1] - pt2[1];
+ dp2[2] = pt3[2] - pt2[2];
+
+ facet->normal[0] = dp1[1] * dp2[2] - dp1[2] * dp2[1];
+ facet->normal[1] = dp1[2] * dp2[0] - dp1[0] * dp2[2];
+ facet->normal[2] = dp1[0] * dp2[1] - dp1[1] * dp2[0];
+
+ d = 1.0 / sqrt(facet->normal[0]*facet->normal[0]+
+ facet->normal[1]*facet->normal[1]+
+ facet->normal[2]*facet->normal[2]);
+
+ facet->normal[0] *= d;
+ facet->normal[1] *= d;
+ facet->normal[2] *= d;
+ }
+ }
+ }
+}
+
+static void InitMaterials(void)
+{
+ static float ambient[] = {0.1, 0.1, 0.1, 1.0};
+ static float diffuse[] = {0.5, 1.0, 1.0, 1.0};
+ static float position[] = {90.0, 90.0, 150.0, 0.0};
+ static float front_mat_shininess[] = {60.0};
+ static float front_mat_specular[] = {0.2, 0.2, 0.2, 1.0};
+ static float front_mat_diffuse[] = {0.5, 0.28, 0.38, 1.0};
+ static float back_mat_shininess[] = {60.0};
+ static float back_mat_specular[] = {0.5, 0.5, 0.2, 1.0};
+ static float back_mat_diffuse[] = {1.0, 1.0, 0.2, 1.0};
+ static float lmodel_ambient[] = {1.0, 1.0, 1.0, 1.0};
+ static float lmodel_twoside[] = {GL_TRUE};
+
+ glMatrixMode(GL_PROJECTION);
+ gluPerspective(450, 1.0, 0.5, 10.0);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+
+ glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
+ glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
+ glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
+ glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
+ glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
+
+ glEnable(GL_COLOR_MATERIAL);
+}
+
+static void InitTexture(void)
+{
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+}
+
+void
+Idle(void)
+{
+ glutPostRedisplay();
+}
+
+static void Init(void)
+{
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+
+ glShadeModel(GL_FLAT);
+
+ glFrontFace(GL_CW);
+
+ glEnable(GL_DEPTH_TEST);
+
+ InitMaterials();
+ InitTexture();
+ InitMesh();
+
+ glMatrixMode(GL_MODELVIEW);
+ glTranslatef(0.0, 0.4, -1.8);
+ glScalef(2.0, 2.0, 2.0);
+ glRotatef(-35.0, 1.0, 0.0, 0.0);
+ glRotatef(35.0, 0.0, 0.0, 1.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+}
+
+void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(0); break;
+ case 'c':
+ contouring++;
+ if (contouring == 1) {
+ static GLfloat map[4] = {0, 0, 20, 0};
+
+ glTexImage2D(GL_TEXTURE_2D, 0, 3, 4, 4, 0, GL_LUMINANCE,
+ GL_UNSIGNED_BYTE, (GLvoid *)contourTexture1);
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGenfv(GL_S, GL_OBJECT_PLANE, map);
+ glTexGenfv(GL_T, GL_OBJECT_PLANE, map);
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_TEXTURE_GEN_S);
+ glEnable(GL_TEXTURE_GEN_T);
+ } else if (contouring == 2) {
+ static GLfloat map[4] = {0, 0, 20, 0};
+
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glPushMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTexGenfv(GL_S, GL_EYE_PLANE, map);
+ glTexGenfv(GL_T, GL_EYE_PLANE, map);
+ glPopMatrix();
+ } else {
+ contouring = 0;
+ glDisable(GL_TEXTURE_GEN_S);
+ glDisable(GL_TEXTURE_GEN_T);
+ glDisable(GL_TEXTURE_2D);
+ }
+ break;
+ case 's':
+ smooth = !smooth;
+ if (smooth) {
+ glShadeModel(GL_SMOOTH);
+ } else {
+ glShadeModel(GL_FLAT);
+ }
+ break;
+ case 'l':
+ lighting = !lighting;
+ if (lighting) {
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_COLOR_MATERIAL);
+ } else {
+ glDisable(GL_LIGHTING);
+ glDisable(GL_LIGHT0);
+ glDisable(GL_COLOR_MATERIAL);
+ }
+ break;
+ case 'd':
+ depth = !depth;
+ if (depth) {
+ glEnable(GL_DEPTH_TEST);
+ clearMask |= GL_DEPTH_BUFFER_BIT;
+ } else {
+ glDisable(GL_DEPTH_TEST);
+ clearMask &= ~GL_DEPTH_BUFFER_BIT;
+ }
+ break;
+ case ' ':
+ stepMode = !stepMode;
+ if (stepMode) {
+ glutIdleFunc(0);
+ } else {
+ glutIdleFunc(Idle);
+ }
+ break;
+ case 'n':
+ if (stepMode) {
+ nextFrame = 1;
+ }
+ break;
+ case 'a':
+ spinMode = !spinMode;
+ break;
+ default:
+ return ;
+ }
+ return ;
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_TRUE;
+ directRender = GL_TRUE;
+ rgb = GL_TRUE;
+ frames = 10;
+ widthX = 10;
+ widthY = 10;
+ checkerSize = 2;
+ height = 0.2;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else if (strcmp(argv[i], "-dr") == 0) {
+ directRender = GL_TRUE;
+ } else if (strcmp(argv[i], "-ir") == 0) {
+ directRender = GL_FALSE;
+ } else if (strcmp(argv[i], "-grid") == 0) {
+ if (i+2 >= argc || argv[i+1][0] == '-' || argv[i+2][0] == '-') {
+ printf("-grid (No numbers).\n");
+ return GL_FALSE;
+ } else {
+ widthX = atoi(argv[++i]);
+ widthY = atoi(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-size") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-checker (No number).\n");
+ return GL_FALSE;
+ } else {
+ checkerSize = atoi(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-wave") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-wave (No number).\n");
+ return GL_FALSE;
+ } else {
+ height = atof(argv[++i]);
+ }
+ } else if (strcmp(argv[i], "-frames") == 0) {
+ if (i+1 >= argc || argv[i+1][0] == '-') {
+ printf("-frames (No number).\n");
+ return GL_FALSE;
+ } else {
+ frames = atoi(argv[++i]);
+ }
+ } else {
+ printf("%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int
+main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInitWindowSize(300, 300);
+ glutInit(&argc, argv);
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+ type = (rgb) ? GLUT_RGB : GLUT_INDEX;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ glutCreateWindow("wave");
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutIdleFunc(Idle);
+ glutDisplayFunc(display);
+
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 17:23:59 +0000