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authorKeith Whitwell <keith@tungstengraphics.com>2008-06-10 14:09:45 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-06-10 14:48:57 +0100
commitf5801fba247d8b0b5afe01196e9c7da7437d18ff (patch)
tree3b758477b855472437a405247aae331fd231de21 /progs
parentd915f40195fc20669c4720b597a3f7299508c507 (diff)
trivial: add poly-flat-clip tests
Diffstat (limited to 'progs')
-rw-r--r--progs/trivial/Makefile2
-rw-r--r--progs/trivial/poly-flat-clip.c8
-rw-r--r--progs/trivial/poly-flat-unfilled-clip.c144
3 files changed, 150 insertions, 4 deletions
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 594a9bddb2..cbfcdfcf5b 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -48,6 +48,8 @@ SOURCES = \
point-wide-smooth.c \
point.c \
poly-flat.c \
+ poly-flat-clip.c \
+ poly-flat-unfilled-clip.c \
poly-unfilled.c \
poly.c \
quad-clip-all-vertices.c \
diff --git a/progs/trivial/poly-flat-clip.c b/progs/trivial/poly-flat-clip.c
index bd8d347c99..72c2a29a0d 100644
--- a/progs/trivial/poly-flat-clip.c
+++ b/progs/trivial/poly-flat-clip.c
@@ -75,13 +75,13 @@ static void Draw(void)
glBegin(GL_POLYGON);
glColor3f(1,0,0);
- glVertex3f( 1.1, -1.1, -30.0);
+ glVertex3f( 0, 0, -30.0);
glColor3f(1,1,0);
- glVertex3f( 1.1, 1.1, -30.0);
+ glVertex3f( 1.3, 1.1, -30.0);
glColor3f(1,0,1);
- glVertex3f(-1.1, 1.1, -30.0);
+ glVertex3f(-.9, .9, -30.0);
glColor3f(0,1,1);
- glVertex3f(-1.1, -1.1, -30.0);
+ glVertex3f(-1.1, -1.3, -30.0);
glEnd();
glFlush();
diff --git a/progs/trivial/poly-flat-unfilled-clip.c b/progs/trivial/poly-flat-unfilled-clip.c
new file mode 100644
index 0000000000..d3a14a516a
--- /dev/null
+++ b/progs/trivial/poly-flat-unfilled-clip.c
@@ -0,0 +1,144 @@
+/*
+ * 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 doubleBuffer;
+
+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));
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+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);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glShadeModel(GL_FLAT);
+
+ glPolygonMode(GL_FRONT, GL_LINE);
+ glPolygonMode(GL_BACK, GL_LINE);
+ glLineWidth(4.0);
+
+
+ glBegin(GL_POLYGON);
+ glColor3f(1,0,0);
+ glVertex3f( 0, 0, -30.0);
+ glColor3f(1,1,0);
+ glVertex3f( 1.3, 1.1, -30.0);
+ glColor3f(1,0,1);
+ glVertex3f(-.9, .9, -30.0);
+ glColor3f(0,1,1);
+ glVertex3f(-1.1, -1.3, -30.0);
+ glEnd();
+
+ 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);
+
+ if (glutCreateWindow("First Tri") == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}