Import Mesa 6.5.1 (MesaLib, MesaDemos, MesaGLUT).

1 files changed, 457 insertions, 0 deletions

diff --git a/progs/samples/quad.c b/progs/samples/quad.c
new file mode 100644
index 00000000000..193850abc45
--- /dev/null
+++ b/progs/samples/quad.c
@@ -0,0 +1,457 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#ifndef CALLBACK
+#define CALLBACK
+#endif
+
+
+#define PI 3.141592654
+#define	BLACK 0
+#define	GRAY 128
+#define	WHITE 255
+#define RD 0xA4,0x00,0x00,0xFF
+#define WT 0xFF,0xFF,0xFF,0xFF
+#define	brickImageWidth 16
+#define	brickImageHeight 16
+
+
+#include "loadppm.c"
+
+GLenum rgb, doubleBuffer;
+
+#include "tkmap.c"
+
+float black[3] = {
+    0.0, 0.0, 0.0
+};
+float blue[3] =  {
+    0.0, 0.0, 1.0
+};
+float gray[3] =  {
+    0.5, 0.5, 0.5
+};
+float white[3] = {
+    1.0, 1.0, 1.0
+};
+
+GLenum doDither = GL_TRUE;
+GLenum shade = GL_TRUE;
+GLenum texture = GL_TRUE;
+
+float xRotation = 30.0, yRotation = 30.0, zRotation = 0.0;
+GLint radius1, radius2;
+GLdouble angle1, angle2;
+GLint slices, stacks;
+GLint height;
+GLint orientation = GLU_OUTSIDE;
+GLint whichQuadric=0;
+GLUquadricObj *quadObj;
+
+GLubyte brickImage[4*brickImageWidth*brickImageHeight] = {
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    RD, RD, RD, RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD,
+    WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT, WT,
+    RD, RD, RD, RD, WT, RD, RD, RD, RD, RD, RD, RD, RD, RD, WT, RD
+};
+char *texFileName = 0;
+
+
+static void CALLBACK ErrorHandler(GLenum which)
+{
+
+    fprintf(stderr, "Quad Error: %s\n", (char *) gluErrorString(which));
+}
+
+typedef void (GLAPIENTRY *callback_t)();
+
+static void Init(void)
+{
+    static GLint colorIndexes[3] = {0, 200, 255};
+    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[] = {30.0};
+    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[] = {50.0};
+    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};
+    static float decal[] = {GL_DECAL};
+    static float repeat[] = {GL_REPEAT};
+    static float nearest[] = {GL_NEAREST};
+    static PPMImage *image;
+
+    if (!rgb) {
+	SetGreyRamp();
+    }
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    
+    glEnable(GL_DEPTH_TEST);
+
+    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);
+    if (!rgb) {
+	glMaterialiv( GL_FRONT_AND_BACK, GL_COLOR_INDEXES, colorIndexes);
+    }
+
+    glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, repeat);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, nearest);
+    glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, nearest);
+    if (texFileName) {
+	image = LoadPPM(texFileName);
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
+			  GL_RGB, GL_UNSIGNED_BYTE, image->data);
+    } else {
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	glTexImage2D(GL_TEXTURE_2D, 0, 4, brickImageWidth, brickImageHeight,
+		     0, GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *)brickImage);
+    }
+
+    quadObj = gluNewQuadric();
+    gluQuadricCallback(quadObj, GLU_ERROR, (callback_t) ErrorHandler);
+
+    radius1 = 10;
+    radius2 = 5;
+    angle1 = 90;
+    angle2 = 180;
+    slices = 16;
+    stacks = 10;
+    height = 20;
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-1, 1, -1, 1, 1, 10);
+    gluLookAt(2, 2, 2, 0, 0, 0, 0, 0, 1);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key2(int key, int x, int y)
+{
+
+    switch (key) {
+      case GLUT_KEY_LEFT:
+	yRotation += 5;
+	break;
+      case GLUT_KEY_RIGHT:
+	yRotation -= 5;
+	break;
+      case GLUT_KEY_UP:
+	xRotation += 5;
+	break;
+      case GLUT_KEY_DOWN:
+	xRotation -= 5;
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+
+      case 'X':
+	zRotation += 5;
+	break;
+      case 'x':
+	zRotation -= 5;
+	break;
+
+      case '1':
+	gluQuadricDrawStyle(quadObj, GLU_FILL);
+	break;
+      case '2':
+	gluQuadricDrawStyle(quadObj, GLU_POINT);
+	break;
+      case '3':
+	gluQuadricDrawStyle(quadObj, GLU_LINE);
+	break;
+      case '4':
+	gluQuadricDrawStyle(quadObj, GLU_SILHOUETTE);
+	break;
+
+      case '0':
+	shade = !shade;
+	if (shade) {
+	    glShadeModel(GL_SMOOTH);
+	    gluQuadricNormals(quadObj, GLU_SMOOTH);
+	} else {
+	    glShadeModel(GL_FLAT);
+	    gluQuadricNormals(quadObj, GLU_FLAT);
+	}
+	break;
+
+      case 'A':
+	stacks++;
+	break;
+      case 'a':
+	stacks--;
+	break;
+    
+      case 'S':
+	slices++;
+	break;
+      case 's':
+	slices--;
+	break;
+
+      case 'd':
+	switch(orientation) {
+	  case GLU_OUTSIDE:
+	    orientation = GLU_INSIDE;
+	    break;
+	  case GLU_INSIDE:
+	  default:
+	    orientation = GLU_OUTSIDE;
+	    break;
+	}
+	gluQuadricOrientation(quadObj, orientation);
+	break;
+
+      case 'f':
+	whichQuadric = (whichQuadric + 1) % 4;
+	break;
+
+      case 'G':
+	radius1 += 1;
+	break;
+      case 'g':
+	radius1 -= 1;
+	break;
+
+      case 'J':
+	radius2 += 1;
+	break;
+      case 'j':
+	radius2 -= 1;
+	break;
+
+      case 'H':
+	height += 2;
+	break;
+      case 'h':
+	height -= 2;
+	break;
+
+      case 'K':
+	angle1 += 5;
+	break;
+      case 'k':
+	angle1 -= 5;
+	break;
+
+      case 'L':
+	angle2 += 5;
+	break;
+      case 'l':
+	angle2 -= 5;
+	break;
+
+      case 'z':
+        texture = !texture;
+	if (texture) {
+	    gluQuadricTexture(quadObj, GL_TRUE);
+	    glEnable(GL_TEXTURE_2D);
+	} else {
+	    gluQuadricTexture(quadObj, GL_FALSE);
+	    glDisable(GL_TEXTURE_2D);
+	}
+	break;
+
+      case 'q':
+	glDisable(GL_CULL_FACE);
+	break;
+      case 'w':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_FRONT);
+	break;
+      case 'e':
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+	break;
+
+      case 'r':
+	glFrontFace(GL_CW);
+	break;
+      case 't': 
+	glFrontFace(GL_CCW);
+	break;
+
+      case 'y':
+	doDither = !doDither;
+	(doDither) ? glEnable(GL_DITHER) : glDisable(GL_DITHER);
+	break;
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+
+    glLoadIdentity();
+    glRotatef(xRotation, 1, 0, 0);
+    glRotatef(yRotation, 0, 1, 0);
+    glRotatef(zRotation, 0, 0, 1);
+
+    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+
+    glColor3f(1.0, 1.0, 1.0);
+    switch (whichQuadric) {
+      case 0:
+	glTranslatef(0, 0, -height/20.0);
+	gluCylinder(quadObj, radius1/10.0, radius2/10.0, height/10.0, 
+		    slices, stacks);
+	break;
+      case 1:
+	gluSphere(quadObj, radius1/10.0, slices, stacks);
+	break;
+      case 2:
+	gluPartialDisk(quadObj, radius2/10.0, radius1/10.0, slices, 
+		       stacks, angle1, angle2);
+	break;
+      case 3:
+	gluDisk(quadObj, radius2/10.0, radius1/10.0, slices, stacks);
+	break;
+    }
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    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 if (strcmp(argv[i], "-f") == 0) {
+	    if (i+1 >= argc || argv[i+1][0] == '-') {
+		printf("-f (No file name).\n");
+		return GL_FALSE;
+	    } else {
+		texFileName = argv[++i];
+	    }
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+
+    type = GLUT_DEPTH;
+    type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Quad Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutSpecialFunc(Key2);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}