diff options
Diffstat (limited to 'progs/samples/accum.c')
-rw-r--r-- | progs/samples/accum.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/progs/samples/accum.c b/progs/samples/accum.c deleted file mode 100644 index 24dfc07d2a..0000000000 --- a/progs/samples/accum.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * 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> - - -GLenum doubleBuffer; -GLint thing1, thing2; - - -static void Init(void) -{ - - glClearColor(0.0, 0.0, 0.0, 0.0); - glClearAccum(0.0, 0.0, 0.0, 0.0); - - thing1 = glGenLists(1); - glNewList(thing1, GL_COMPILE); - glColor3f(1.0, 0.0, 0.0); - glRectf(-1.0, -1.0, 1.0, 0.0); - glEndList(); - - thing2 = glGenLists(1); - glNewList(thing2, GL_COMPILE); - glColor3f(0.0, 1.0, 0.0); - glRectf(0.0, -1.0, 1.0, 1.0); - glEndList(); -} - -static void Reshape(int width, int height) -{ - - glViewport(0, 0, (GLint)width, (GLint)height); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -} - -static void Key(unsigned char key, int x, int y) -{ - (void) x; - (void) y; - switch (key) { - case 27: - exit(1); - case '1': - glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); - break; - case '2': - glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); - break; - default: - return; - } - - glutPostRedisplay(); -} - -static void Draw(void) -{ - - glPushMatrix(); - - glScalef(0.8, 0.8, 1.0); - - glClear(GL_COLOR_BUFFER_BIT); - glCallList(thing1); - glAccum(GL_LOAD, 0.5); - - glClear(GL_COLOR_BUFFER_BIT); - glCallList(thing2); - glAccum(GL_ACCUM, 0.5); - - glAccum(GL_RETURN, 1.0); - - glPopMatrix(); - - glFlush(); - - if (doubleBuffer) { - glutSwapBuffers(); - } -} - -static GLenum Args(int argc, char **argv) -{ - GLint i; - - doubleBuffer = GL_FALSE; - - 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 { - 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_RGB | GLUT_ACCUM; - type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; - glutInitDisplayMode(type); - - if (glutCreateWindow("Accum Test") == GL_FALSE) { - exit(1); - } - - Init(); - - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(Draw); - glutMainLoop(); - return 0; -} |