diff options
author | Eric Anholt <eric@anholt.net> | 2010-05-21 09:32:38 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2010-05-21 12:20:39 -0700 |
commit | 68fc4b415e322f6744299e39864fbc377c6eff74 (patch) | |
tree | 4bafffd8b0105174f3c5c0ae327a005be9145990 /progs/trivial/tri-z.c | |
parent | e4f4489e3fc0b36d72821b55794fb843b2b7fa5f (diff) |
Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.
The remaining programs are ones I've had difficulty finding a build
environment for to make the build system or are unit tests that should
probably live next to their code instead. Hopefully people can bring
over the build for remaining pieces they care about.
Diffstat (limited to 'progs/trivial/tri-z.c')
-rw-r--r-- | progs/trivial/tri-z.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c deleted file mode 100644 index 092249dd76..0000000000 --- a/progs/trivial/tri-z.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright (c) 1993-1997, Silicon Graphics, Inc. - * ALL RIGHTS RESERVED - * Permission to use, copy, modify, and distribute this software for - * any purpose and without fee is hereby granted, provided that the above - * copyright notice appear in all copies and that both the copyright notice - * and this permission notice appear in supporting documentation, and that - * the name of Silicon Graphics, Inc. not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. - * - * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "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, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, - * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY - * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, - * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF - * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN - * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE - * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. - * - * US Government Users Restricted Rights - * Use, duplication, or disclosure by the Government is subject to - * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph - * (c)(1)(ii) of the Rights in Technical Data and Computer Software - * clause at DFARS 252.227-7013 and/or in similar or successor - * clauses in the FAR or the DOD or NASA FAR Supplement. - * Unpublished-- rights reserved under the copyright laws of the - * United States. Contractor/manufacturer is Silicon Graphics, - * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. - * - * OpenGL(R) is a registered trademark of Silicon Graphics, Inc. - */ - -#include <GL/glut.h> -#include <stdlib.h> -#include <stdio.h> - -static int leftFirst = GL_TRUE; - -static struct { GLenum func; const char *str; } funcs[] = - { - { GL_LESS, "GL_LESS" }, - { GL_LEQUAL, "GL_LEQUAL" }, - { GL_GREATER, "GL_GREATER" }, - { GL_GEQUAL, "GL_GEQUAL" }, - { GL_EQUAL, "GL_EQUAL" }, - { GL_NOTEQUAL, "GL_NOTEQUAL" }, - { GL_ALWAYS, "GL_ALWAYS" }, - { GL_NEVER, "GL_NEVER" }, - }; - -#define NUM_FUNCS (sizeof(funcs) / sizeof(funcs[0])) - -static int curFunc = 0; -static double clearVal = 1.0; -static float minZ = 0.0; -static float maxZ = 1.0; - -static void usage(void) -{ - printf("t - toggle rendering order of triangles\n"); - printf("c - toggle Z clear value between 0, 1\n"); - printf("f - cycle through depth test functions\n"); - printf("n/N - decrease/increase depthrange minZ\n"); - printf("x/X - decrease/increase depthrange maxZ\n"); - printf("spc - reset\n"); - printf("z - set to reverse-direction (ztrick) mode\n"); - fflush(stdout); -} - - -static void init(void) -{ - glEnable(GL_DEPTH_TEST); - glClearColor (1.0, 0.0, 0.0, 0.0); -} - -static void drawLeftTriangle(void) -{ - /* draw yellow triangle on LHS of screen */ - glBegin (GL_TRIANGLES); - glColor4f(1.0, 1.0, 0.0, 0.75); - glVertex3f(0.1, 0.9, -1.0); - glVertex3f(0.1, 0.1, -1.0); - glVertex3f(0.8, 0.5, 1.0); - glEnd(); -} - -static void drawRightTriangle(void) -{ - /* draw cyan triangle on RHS of screen */ - glBegin (GL_TRIANGLES); - glColor4f(0.0, 1.0, 1.0, 0.75); - glVertex3f(0.9, 0.9, 0.0); - glVertex3f(0.2, 0.5, 0.0); - glVertex3f(0.9, 0.1, 0.0); - glEnd(); -} - -static void display(void) -{ - printf("GL_CLEAR_DEPTH = %.2f, GL_DEPTH_FUNC = %s, DepthRange(%.1f, %.1f)\n", - clearVal, funcs[curFunc].str, minZ, maxZ); - fflush(stdout); - glClearDepth(clearVal); - glDepthRange(minZ, maxZ); - glDepthFunc(funcs[curFunc].func); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - if (leftFirst) { - drawLeftTriangle(); - drawRightTriangle(); - } - else { - drawRightTriangle(); - drawLeftTriangle(); - } - - glFlush(); -} - -static void reshape(int w, int h) -{ - glViewport(0, 0, (GLsizei) w, (GLsizei) h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - if (w <= h) - gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w); - else - gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0); -} - -/* ARGSUSED1 */ -static void keyboard(unsigned char key, int x, int y) -{ - switch (key) { - case 'n': - minZ -= .1; - break; - case 'N': - minZ += .1; - break; - case 'x': - maxZ -= .1; - break; - case 'X': - maxZ += .1; - break; - case 'c': - case 'C': - clearVal = 1.0 - clearVal; - break; - case 'f': - case 'F': - curFunc = (curFunc + 1) % NUM_FUNCS; - break; - case 't': - case 'T': - leftFirst = !leftFirst; - break; - case ' ': - curFunc = 0; - clearVal = 1.0; - minZ = 0.0; - maxZ = 1.0; - break; - case 'z': - curFunc = 2; - clearVal = 0.0; - minZ = 1.0; - maxZ = 0.0; - break; - case 27: /* Escape key */ - exit(0); - break; - default: - return; - } - glutPostRedisplay(); -} - -/* Main Loop - * Open window with initial window size, title bar, - * RGBA display mode, and handle input events. - */ -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); - glutInitWindowSize (200, 200); - glutCreateWindow (argv[0]); - glutReshapeFunc (reshape); - glutKeyboardFunc (keyboard); - glutDisplayFunc (display); - init(); - usage(); - glutMainLoop(); - return 0; -} |