+++ /dev/null
-/*
- * 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>
-
-
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
-
-GLenum rgb, doubleBuffer;
-
-GLenum antiAlias, stipple;
-GLubyte stippleBits[32*4] = {
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
- 0xAA, 0xAA, 0xAA, 0xAA, 0x55, 0x55, 0x55, 0x55,
-};
-
-
-#include "tkmap.c"
-
-static void Init(void)
-{
- GLint i;
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClearIndex(0.0);
-
- if (!rgb) {
- for (i = 0; i < 16; i++) {
- glutSetColor(i+CI_OFFSET_1, 0.0, 0.0, i/15.0);
- glutSetColor(i+CI_OFFSET_2, 0.0, i/15.0, 0.0);
- }
- }
-
- glPolygonStipple(stippleBits);
-
- antiAlias = GL_FALSE;
- stipple = GL_FALSE;
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- case '1':
- antiAlias = !antiAlias;
- break;
- case '2':
- stipple = !stipple;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
- GLint ci1, ci2;
-
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- if (antiAlias) {
- ci1 = CI_OFFSET_1;
- ci2 = CI_OFFSET_2;
- glBlendFunc(GL_SRC_ALPHA, GL_ONE);
- glEnable(GL_BLEND);
- glEnable(GL_POLYGON_SMOOTH);
- glDisable(GL_DEPTH_TEST);
- } else {
- ci1 = COLOR_BLUE;
- ci2 = COLOR_GREEN;
- glDisable(GL_BLEND);
- glDisable(GL_POLYGON_SMOOTH);
- glEnable(GL_DEPTH_TEST);
- }
-
- if (stipple) {
- glEnable(GL_POLYGON_STIPPLE);
- } else {
- glDisable(GL_POLYGON_STIPPLE);
- }
-
- glBegin(GL_TRIANGLES);
- (rgb) ? glColor3fv(RGBMap[COLOR_BLUE]) : glIndexi(ci1);
- glVertex3f( 0.9, -0.9, -30.0);
- glVertex3f( 0.9, 0.9, -30.0);
- glVertex3f(-0.9, 0.0, -30.0);
- (rgb) ? glColor3fv(RGBMap[COLOR_GREEN]) : glIndexi(ci2);
- glVertex3f(-0.9, -0.9, -40.0);
- glVertex3f(-0.9, 0.9, -40.0);
- glVertex3f( 0.9, 0.0, -25.0);
- glEnd();
-
- 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 {
- 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("Depth Test") == GL_FALSE) {
- exit(1);
- }
-
- InitMap();
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff