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Diffstat (limited to 'progs/trivial/quad-tex-2d.c')
-rw-r--r--progs/trivial/quad-tex-2d.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/progs/trivial/quad-tex-2d.c b/progs/trivial/quad-tex-2d.c
deleted file mode 100644
index 8a886ef578..0000000000
--- a/progs/trivial/quad-tex-2d.c
+++ /dev/null
@@ -1,189 +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>
-
-static GLenum Target = GL_TEXTURE_2D;
-static GLenum Filter = GL_NEAREST;
-GLenum doubleBuffer;
-static float Rot = 0;
-static int win = 0;
-
-static void Init(void)
-{
- fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
- fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
- fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
- fflush(stderr);
-
- glClearColor(0.0, 0.0, 1.0, 0.0);
-
-#define SIZE 32
- {
- GLubyte tex2d[SIZE][SIZE][3];
- GLint s, t;
-
- for (s = 0; s < SIZE; s++) {
- for (t = 0; t < SIZE; t++) {
-#if 0
- tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
- tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
- tex2d[t][s][2] = 0;
-#else
- tex2d[t][s][0] = s*255/(SIZE-1);
- tex2d[t][s][1] = t*255/(SIZE-1);
- tex2d[t][s][2] = 0;
-#endif
- }
- }
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-
- if (Target == GL_TEXTURE_1D)
- glTexImage1D(Target, 0, 3, SIZE, 0, GL_RGB, GL_UNSIGNED_BYTE, tex2d);
- else
- glTexImage2D(Target, 0, 3, SIZE, SIZE, 0,
- GL_RGB, GL_UNSIGNED_BYTE, tex2d);
-
- glEnable(Target);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- glTexParameterf(Target, GL_TEXTURE_WRAP_R, GL_REPEAT);
- glTexParameterf(Target, GL_TEXTURE_MIN_FILTER, Filter);
- glTexParameterf(Target, GL_TEXTURE_MAG_FILTER, Filter);
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
- }
-}
-
-static void Reshape(int width, int height)
-{
- glViewport(0, 0, (GLint)width, (GLint)height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
-#if 0
- glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-#else
- glFrustum(-1, 1, -1, 1, 10, 20);
-#endif
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0, 0, -15);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
- switch (key) {
- case 'r':
- Rot += 10.0;
- break;
- case 'R':
- Rot -= 10.0;
- break;
- case 27:
- glutDestroyWindow(win);
- exit(0);
- default:
- return;
- }
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
- glClear(GL_COLOR_BUFFER_BIT);
-
- glPushMatrix();
- glRotatef(Rot, 0, 1, 0);
-
- glBegin(GL_QUADS);
- glTexCoord2f(1,0);
- glVertex3f( 0.9, -0.9, 0.0);
- glTexCoord2f(1,1);
- glVertex3f( 0.9, 0.9, 0.0);
- glTexCoord2f(0,1);
- glVertex3f(-0.9, 0.9, 0.0);
- glTexCoord2f(0,0);
- glVertex3f(-0.9, -0.9, 0.0);
- glEnd();
-
- 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 {
- fprintf(stderr, "%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( 250, 250);
-
- type = GLUT_RGB;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- win = glutCreateWindow(*argv);
- if (!win) {
- exit(1);
- }
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}