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Diffstat (limited to 'progs/tests/condrender.c')
-rw-r--r-- | progs/tests/condrender.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/progs/tests/condrender.c b/progs/tests/condrender.c deleted file mode 100644 index 1db8a7c15a..0000000000 --- a/progs/tests/condrender.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Test GL_NV_conditional_render - * - * Brian Paul - * 30 Dec 2009 - * - * Copyright (C) 2009 VMware, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include <GL/glew.h> -#include <GL/glut.h> - -#define TEST_DISPLAY_LISTS 0 - -static GLboolean Anim = GL_TRUE; -static GLfloat Xpos = 0; -static GLuint OccQuery; -static GLint Win = 0; - - -static void Idle(void) -{ - static int lastTime = 0; - static int sign = +1; - int time = glutGet(GLUT_ELAPSED_TIME); - float step; - - if (lastTime == 0) - lastTime = time; - else if (time - lastTime < 20) /* 50Hz update */ - return; - - step = (time - lastTime) / 1000.0 * sign; - lastTime = time; - - Xpos += step; - - if (Xpos > 2.5) { - Xpos = 2.5; - sign = -1; - } - else if (Xpos < -2.5) { - Xpos = -2.5; - sign = +1; - } - glutPostRedisplay(); -} - - -static void Display( void ) -{ - glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); - - glEnable(GL_DEPTH_TEST); - - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 ); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - glTranslatef( 0.0, 0.0, -15.0 ); - - /* draw the occluding polygons */ - glColor3f(0, 0.6, 0.8); - glBegin(GL_QUADS); - glVertex2f(-1.6, -1.5); - glVertex2f(-0.4, -1.5); - glVertex2f(-0.4, 1.5); - glVertex2f(-1.6, 1.5); - - glVertex2f( 0.4, -1.5); - glVertex2f( 1.6, -1.5); - glVertex2f( 1.6, 1.5); - glVertex2f( 0.4, 1.5); - glEnd(); - - /* draw the test polygon with occlusion testing */ - glPushMatrix(); - glTranslatef(Xpos, 0, -0.5); - glScalef(0.3, 0.3, 1.0); - glRotatef(-90.0 * Xpos, 0, 0, 1); - -#if TEST_DISPLAY_LISTS - glNewList(10, GL_COMPILE); - glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery); - glEndList(); - glCallList(10); -#else - glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery); -#endif - - glColorMask(0, 0, 0, 0); - glDepthMask(GL_FALSE); - - glBegin(GL_POLYGON); - glVertex3f(-1, -1, 0); - glVertex3f( 1, -1, 0); - glVertex3f( 1, 1, 0); - glVertex3f(-1, 1, 0); - glEnd(); - -#if TEST_DISPLAY_LISTS - glNewList(11, GL_COMPILE); - glEndQueryARB(GL_SAMPLES_PASSED_ARB); - glEndList(); - glCallList(11); -#else - glEndQueryARB(GL_SAMPLES_PASSED_ARB); -#endif - - glColorMask(1, 1, 1, 1); - glDepthMask(GL_TRUE); - - /* Note: disable depth test here so that we'll always see the orange - * box, except when it's totally culled. - */ - glDisable(GL_DEPTH_TEST); - - glBeginConditionalRenderNV(OccQuery, GL_QUERY_WAIT_NV); - /* draw the orange rect, so we can see what's going on */ - glColor3f(0.8, 0.5, 0); - glBegin(GL_POLYGON); - glVertex3f(-1, -1, 0); - glVertex3f( 1, -1, 0); - glVertex3f( 1, 1, 0); - glVertex3f(-1, 1, 0); - glEnd(); - glEndConditionalRenderNV(); - - /* always draw white outline around orange box */ - glColor3f(1.0, 1.0, 1.0); - glBegin(GL_LINE_LOOP); - glVertex3f(-1, -1, 0); - glVertex3f( 1, -1, 0); - glVertex3f( 1, 1, 0); - glVertex3f(-1, 1, 0); - glEnd(); - - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void Reshape( int width, int height ) -{ - glViewport( 0, 0, width, height ); -} - - -static void Key( unsigned char key, int x, int y ) -{ - (void) x; - (void) y; - switch (key) { - case 27: - glDeleteQueriesARB(1, &OccQuery); - glutDestroyWindow(Win); - exit(0); - break; - case ' ': - Anim = !Anim; - if (Anim) - glutIdleFunc(Idle); - else - glutIdleFunc(NULL); - break; - } - glutPostRedisplay(); -} - - -static void SpecialKey( int key, int x, int y ) -{ - const GLfloat step = 0.1; - (void) x; - (void) y; - switch (key) { - case GLUT_KEY_LEFT: - Xpos -= step; - break; - case GLUT_KEY_RIGHT: - Xpos += step; - break; - } - glutPostRedisplay(); -} - - -static void Init( void ) -{ - if (!glutExtensionSupported("GL_ARB_occlusion_query") || - !glutExtensionSupported("GL_NV_conditional_render")) { - printf("Sorry, this demo requires the extensions:\n"); - printf(" GL_ARB_occlusion_query\n"); - printf(" GL_NV_conditional_render\n"); - exit(-1); - } - - glGenQueriesARB(1, &OccQuery); - assert(OccQuery > 0); -} - - -int main( int argc, char *argv[] ) -{ - glutInitWindowSize( 400, 400 ); - glutInit( &argc, argv ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); - Win = glutCreateWindow(argv[0]); - glewInit(); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); - glutIdleFunc( Idle ); - glutDisplayFunc( Display ); - Init(); - glutMainLoop(); - return 0; -} |