WindML driver (Stephane Raimbault)

1 files changed, 290 insertions, 0 deletions

diff --git a/progs/windml/uglteapot.c b/progs/windml/uglteapot.c
new file mode 100644
index 00000000000..26c766d8346
--- /dev/null
+++ b/progs/windml/uglteapot.c
@@ -0,0 +1,290 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * The MIT License
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Linux Magazine July 2001
+ * Conversion to UGL/Mesa from GLUT by Stephane Raimbault, 2001
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+#include <ugl/ugl.h>
+#include <ugl/uglevent.h>
+#include <ugl/uglinput.h>
+#include <ugl/uglucode.h>
+
+#include <GL/uglmesa.h>
+#include <GL/glu.h>
+
+/* Need GLUT_SHAPES */
+
+#include <GL/uglglutshapes.h>
+
+#ifndef PI
+#define PI 3.14159265
+#endif
+
+UGL_LOCAL UGL_EVENT_SERVICE_ID eventServiceId;
+UGL_LOCAL UGL_EVENT_Q_ID qId;
+UGL_LOCAL UGL_MESA_CONTEXT umc;
+UGL_LOCAL volatile UGL_BOOL stopWex;
+
+UGL_LOCAL GLint angle;
+UGL_LOCAL GLfloat Sin[360], Cos[360];
+UGL_LOCAL GLfloat L0pos[]={0.0, 2.0, -1.0};
+UGL_LOCAL GLfloat L0dif[]={0.3, 0.3, 0.8};
+UGL_LOCAL GLfloat L1pos[]={2.0, 2.0, 2.0};
+UGL_LOCAL GLfloat L1dif[]={0.5, 0.5, 0.5};
+UGL_LOCAL GLfloat Mspec[3];
+UGL_LOCAL GLfloat Mshiny;
+UGL_LOCAL GLuint theTeapot;
+
+UGL_LOCAL void calcTableCosSin()
+{
+	int i;
+	for(i=0;i<360;i++) {
+		Cos[i] = cos(((float)i)/180.0*PI);
+		Sin[i] = sin(((float)i)/180.0*PI);
+	}
+}
+
+UGL_LOCAL void initGL(void)
+    {
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glColor3f(1.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    
+    glShadeModel(GL_SMOOTH);
+    glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
+    glEnable(GL_LIGHTING);
+    glEnable(GL_LIGHT0);
+    glEnable(GL_LIGHT1);
+    glLightfv(GL_LIGHT0, GL_DIFFUSE, L0dif);
+    glLightfv(GL_LIGHT0, GL_SPECULAR, L0dif);
+    glLightfv(GL_LIGHT1, GL_DIFFUSE, L1dif);
+    glLightfv(GL_LIGHT1, GL_SPECULAR, L1dif);
+    
+    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+    
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(45.0, 1.0, 0.1, 10.0);
+    glMatrixMode(GL_MODELVIEW);
+
+    theTeapot = glGenLists(1);
+    glNewList(theTeapot, GL_COMPILE);
+    glutSolidTeapot(1.0);
+    glEndList();
+
+    }
+
+UGL_LOCAL void drawGL()
+    {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    
+    glLoadIdentity();
+    
+    gluLookAt(4.5*Cos[angle], 2.0,4.5*Sin[angle],0.0,0.0,0.0,0.0,
+	      1.0,0.0);
+    glLightfv(GL_LIGHT0, GL_POSITION, L0pos);
+    glLightfv(GL_LIGHT1, GL_POSITION, L1pos);
+
+    glCallList(theTeapot);
+
+    glFlush();
+    
+    uglMesaSwapBuffers();
+    }
+
+UGL_LOCAL void echoUse(void)
+    {
+    printf("tTeapot keys:\n");
+    printf("        Left  Counter clockwise rotation (y-axis)\n");
+    printf("       Right  Clockwise rotation (y-axis)\n");
+    printf("           j  Enable/disable Light0\n");
+    printf("           k  Enable/disable Light1\n");
+    printf("           m  Add specular\n");
+    printf("           l  Remove specular\n");
+    printf("           o  Add shininess\n");
+    printf("           p  Remove shininess\n");
+    printf("         ESC  Exit\n");
+    }
+
+
+UGL_LOCAL void readKey (UGL_WCHAR key)
+    {
+    switch(key)
+	{
+	case UGL_UNI_RIGHT_ARROW:
+	    angle +=2;
+	    if (angle>= 360)
+		angle-=360;
+	    break;
+	case UGL_UNI_LEFT_ARROW:
+	    angle -=2;
+	    if (angle<0)
+		angle+=360;
+	    break;
+	case 'j':
+	    glIsEnabled(GL_LIGHT0) ?
+		glDisable(GL_LIGHT0) : glEnable(GL_LIGHT0);
+	    break;
+	case 'k':
+	    glIsEnabled(GL_LIGHT1) ?
+		glDisable(GL_LIGHT1) : glEnable(GL_LIGHT1);
+	    break;
+	case 'm':
+	    Mspec[0]+=0.1;
+	    if(Mspec[0]>1)
+		Mspec[0]=1;
+	    Mspec[1]+=0.1;
+	    if(Mspec[1]>1)
+		Mspec[1]=1;
+	    Mspec[2]+=0.1;
+	    if(Mspec[2]>1)
+		Mspec[2]=1;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+	    break;
+	case 'l':
+	    Mspec[0]-=0.1;
+	    if(Mspec[0]>1)
+		Mspec[0]=1;
+	    Mspec[1]-=0.1;
+	    if(Mspec[1]>1)
+		Mspec[1]=1;
+	    Mspec[2]-=0.1;
+	    if(Mspec[2]>1)
+		Mspec[2]=1;
+	    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Mspec);
+	    break;
+	case 'o':
+	    Mshiny -= 1;
+	    if (Mshiny<0)
+		Mshiny=0;
+	    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+	    break;
+	case 'p':
+	    Mshiny += 1;
+	    if (Mshiny>128)
+		Mshiny=128;
+	    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, Mshiny);
+	    break;
+	case UGL_UNI_ESCAPE:
+	    stopWex = UGL_TRUE;
+	    break;
+	}
+    }
+
+UGL_LOCAL void loopEvent(void)
+    {
+    UGL_EVENT event;
+    UGL_INPUT_EVENT * pInputEvent;
+ 
+    UGL_FOREVER
+	{
+	if (uglEventGet (qId, &event, sizeof (event), UGL_NO_WAIT)
+	    != UGL_STATUS_Q_EMPTY)
+            {
+	    pInputEvent = (UGL_INPUT_EVENT *)&event;
+	    
+	    if (pInputEvent->header.type == UGL_EVENT_TYPE_KEYBOARD &&
+		pInputEvent->modifiers & UGL_KEYBOARD_KEYDOWN)
+		readKey(pInputEvent->type.keyboard.key);
+	    }
+
+	drawGL();
+	if (stopWex)
+            break;
+	}
+    }
+
+void windMLTeapot (void);
+
+void uglteapot (void)
+    {
+    taskSpawn ("tTeapot", 210, VX_FP_TASK, 100000, (FUNCPTR)windMLTeapot,
+              0,1,2,3,4,5,6,7,8,9);
+    }
+
+void windMLTeapot (void)
+    {
+    UGL_INPUT_DEVICE_ID keyboardDevId;
+    GLsizei displayWidth, displayHeight;
+    GLsizei x, y, w, h;
+    
+    angle = 45;
+    Mspec[0] = 0.5;
+    Mspec[1] = 0.5;
+    Mspec[2] = 0.5;
+    Mshiny = 50;
+    
+    uglInitialize ();
+
+    uglDriverFind (UGL_KEYBOARD_TYPE, 0,
+		   (UGL_UINT32 *)&keyboardDevId);
+
+    uglDriverFind (UGL_EVENT_SERVICE_TYPE, 0, (UGL_UINT32 *)&eventServiceId);
+
+    qId = uglEventQCreate (eventServiceId, 100);
+
+    /* Double buffering */
+    umc = uglMesaCreateNewContext (UGL_MESA_DOUBLE, NULL);
+    if (umc == NULL)
+        {
+	uglDeinitialize ();
+	return;
+	}
+
+    uglMesaMakeCurrentContext (umc, 0, 0, 1, 1);
+
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_WIDTH, &displayWidth);
+    uglMesaGetIntegerv(UGL_MESA_DISPLAY_HEIGHT, &displayHeight);
+    
+    h = (displayHeight*2)/3;
+    w = h;
+    x = (displayWidth-w)/2;
+    y = (displayHeight-h)/2;
+    
+    uglMesaMoveToWindow(x, y);
+    uglMesaResizeToWindow(w, h);
+    
+    calcTableCosSin();
+    
+    initGL ();
+    
+    echoUse();
+
+    stopWex = UGL_FALSE;
+    loopEvent();
+    
+    uglEventQDestroy (eventServiceId, qId);
+    
+    uglMesaDestroyContext();
+    uglDeinitialize ();
+
+    return;
+    }