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-rw-r--r--progs/tests/antialias.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/progs/tests/antialias.c b/progs/tests/antialias.c
deleted file mode 100644
index c389bbea3a..0000000000
--- a/progs/tests/antialias.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/* $Id: antialias.c,v 1.2 2003/03/29 16:42:57 brianp Exp $ */
-
-/*
- * Test multisampling and polygon smoothing.
- *
- * Brian Paul
- * 4 November 2002
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-static GLfloat Zrot = 0;
-static GLboolean Anim = GL_TRUE;
-static GLboolean HaveMultisample = GL_TRUE;
-static GLboolean DoMultisample = GL_TRUE;
-
-
-static void
-PrintString(const char *s)
-{
- while (*s) {
- glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
- s++;
- }
-}
-
-
-static void
-Polygon( GLint verts, GLfloat radius, GLfloat z )
-{
- int i;
- for (i = 0; i < verts; i++) {
- float a = (i * 2.0 * 3.14159) / verts;
- float x = radius * cos(a);
- float y = radius * sin(a);
- glVertex3f(x, y, z);
- }
-}
-
-
-static void
-DrawObject( void )
-{
- glLineWidth(3.0);
- glColor3f(1, 1, 1);
- glBegin(GL_LINE_LOOP);
- Polygon(12, 1.2, 0);
- glEnd();
-
- glLineWidth(1.0);
- glColor3f(1, 1, 1);
- glBegin(GL_LINE_LOOP);
- Polygon(12, 1.1, 0);
- glEnd();
-
- glColor3f(1, 0, 0);
- glBegin(GL_POLYGON);
- Polygon(12, 0.4, 0.3);
- glEnd();
-
- glColor3f(0, 1, 0);
- glBegin(GL_POLYGON);
- Polygon(12, 0.6, 0.2);
- glEnd();
-
- glColor3f(0, 0, 1);
- glBegin(GL_POLYGON);
- Polygon(12, 0.8, 0.1);
- glEnd();
-
- glColor3f(1, 1, 1);
- glBegin(GL_POLYGON);
- Polygon(12, 1.0, 0);
- glEnd();
-}
-
-
-static void
-Display( void )
-{
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
- glColor3f(1, 1, 1);
- if (HaveMultisample) {
- glRasterPos2f(-3.1, -1.6);
- if (DoMultisample)
- PrintString("MULTISAMPLE");
- else
- PrintString("MULTISAMPLE (off)");
- }
- glRasterPos2f(-0.8, -1.6);
- PrintString("No antialiasing");
- glRasterPos2f(1.6, -1.6);
- PrintString("GL_POLYGON_SMOOTH");
-
- /* multisample */
- if (HaveMultisample) {
- glEnable(GL_DEPTH_TEST);
- if (DoMultisample)
- glEnable(GL_MULTISAMPLE_ARB);
- glPushMatrix();
- glTranslatef(-2.5, 0, 0);
- glPushMatrix();
- glRotatef(Zrot, 0, 0, 1);
- DrawObject();
- glPopMatrix();
- glPopMatrix();
- glDisable(GL_MULTISAMPLE_ARB);
- glDisable(GL_DEPTH_TEST);
- }
-
- /* non-aa */
- glEnable(GL_DEPTH_TEST);
- glPushMatrix();
- glTranslatef(0, 0, 0);
- glPushMatrix();
- glRotatef(Zrot, 0, 0, 1);
- DrawObject();
- glPopMatrix();
- glPopMatrix();
- glDisable(GL_DEPTH_TEST);
-
- /* polygon smooth */
- glEnable(GL_POLYGON_SMOOTH);
- glEnable(GL_LINE_SMOOTH);
- glEnable(GL_BLEND);
- glPushMatrix();
- glTranslatef(2.5, 0, 0);
- glPushMatrix();
- glRotatef(Zrot, 0, 0, 1);
- DrawObject();
- glPopMatrix();
- glPopMatrix();
- glDisable(GL_LINE_SMOOTH);
- glDisable(GL_POLYGON_SMOOTH);
- glDisable(GL_BLEND);
-
- glutSwapBuffers();
-}
-
-
-static void
-Reshape( int width, int height )
-{
- GLfloat ar = (float) width / (float) height;
- glViewport( 0, 0, width, height );
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glOrtho(-2.0*ar, 2.0*ar, -2.0, 2.0, -1.0, 1.0);
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
-}
-
-
-static void
-Idle( void )
-{
- Zrot = 0.01 * glutGet(GLUT_ELAPSED_TIME);
- glutPostRedisplay();
-}
-
-
-static void
-Key( unsigned char key, int x, int y )
-{
- const GLfloat step = 1.0;
- (void) x;
- (void) y;
- switch (key) {
- case 'a':
- Anim = !Anim;
- if (Anim)
- glutIdleFunc(Idle);
- else
- glutIdleFunc(NULL);
- break;
- case 'm':
- DoMultisample = !DoMultisample;
- break;
- case 'z':
- Zrot = (int) (Zrot - step);
- break;
- case 'Z':
- Zrot = (int) (Zrot + step);
- break;
- case 27:
- exit(0);
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-Init( void )
-{
- /* GLUT imposes the four samples/pixel requirement */
- int s;
- glGetIntegerv(GL_SAMPLES_ARB, &s);
- if (!glutExtensionSupported("GL_ARB_multisample") || s < 1) {
- printf("Warning: multisample antialiasing not supported.\n");
- HaveMultisample = GL_FALSE;
- }
- printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
- printf("GL_SAMPLES_ARB = %d\n", s);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glBlendFunc(GL_SRC_ALPHA_SATURATE, GL_ONE);
-
- glGetIntegerv(GL_MULTISAMPLE_ARB, &s);
- printf("GL_MULTISAMPLE_ARB = %d\n", s);
-}
-
-
-int
-main( int argc, char *argv[] )
-{
- glutInit( &argc, argv );
- glutInitWindowPosition( 0, 0 );
- glutInitWindowSize( 600, 300 );
- glutInitDisplayMode( GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE |
- GLUT_DEPTH | GLUT_MULTISAMPLE );
- glutCreateWindow(argv[0]);
- glutReshapeFunc( Reshape );
- glutKeyboardFunc( Key );
- glutDisplayFunc( Display );
- if (Anim)
- glutIdleFunc( Idle );
- Init();
- glutMainLoop();
- return 0;
-}