From 976c26ca34f2ae8cc6f8b9f9b091efeba1311a94 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 20 Aug 2001 16:07:10 +0000 Subject: WindML driver (Stephane Raimbault) --- progs/windml/uglteapot.c | 290 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 290 insertions(+) create mode 100644 progs/windml/uglteapot.c (limited to 'progs/windml/uglteapot.c') diff --git a/progs/windml/uglteapot.c b/progs/windml/uglteapot.c new file mode 100644 index 0000000000..26c766d834 --- /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 +#include +#include + +#include +#include +#include +#include + +#include +#include + +/* Need GLUT_SHAPES */ + +#include + +#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; + } -- cgit v1.2.3