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Diffstat (limited to 'progs/tests/api_speed.c')
-rw-r--r-- | progs/tests/api_speed.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/progs/tests/api_speed.c b/progs/tests/api_speed.c deleted file mode 100644 index 28e28e61d8..0000000000 --- a/progs/tests/api_speed.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * (C) Copyright IBM Corporation 2002 - * 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 - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, 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 (including the next - * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS 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. - */ - -/** - * \file api_speed.c - * Simple test to measure the overhead of making GL calls. - * - * The main purpose of this test is to measure the difference in calling - * overhead of different dispatch methods. Since it uses asm/timex.h to - * access the Pentium's cycle counters, it will probably only compile on - * Linux (though most architectures have a get_cycles function in timex.h). - * That is why it isn't in the default Makefile. - * - * \author Ian Romanick <idr@us.ibm.com> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <GL/glew.h> -#include <GL/glut.h> - -#define inline __inline__ -#include <asm/timex.h> - -static float Width = 400; -static float Height = 400; -static unsigned count = 1000000; - - -static void Idle( void ) -{ - glutPostRedisplay(); -} - -#define DO_FUNC(f,p) \ - do { \ - t0 = get_cycles(); \ - for ( i = 0 ; i < count ; i++ ) { \ - f p ; \ - } \ - t1 = get_cycles(); \ - printf("%u calls to % 20s required %llu cycles.\n", count, # f, t1 - t0); \ - } while( 0 ) - -/** - * Main display function. This is the place to add more API calls. - */ -static void Display( void ) -{ - int i; - const float v[3] = { 1.0, 0.0, 0.0 }; - cycles_t t0; - cycles_t t1; - - glBegin(GL_TRIANGLE_STRIP); - - DO_FUNC( glColor3fv, (v) ); - DO_FUNC( glNormal3fv, (v) ); - DO_FUNC( glTexCoord2fv, (v) ); - DO_FUNC( glTexCoord3fv, (v) ); - DO_FUNC( glMultiTexCoord2fv, (GL_TEXTURE0, v) ); - DO_FUNC( glMultiTexCoord2f, (GL_TEXTURE0, 0.0, 0.0) ); - DO_FUNC( glFogCoordfvEXT, (v) ); - DO_FUNC( glFogCoordfEXT, (0.5) ); - - glEnd(); - - exit(0); -} - - -static void Reshape( int width, int height ) -{ - Width = width; - Height = height; - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glOrtho(0.0, width, 0.0, height, -1.0, 1.0); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); -} - - -static void Key( unsigned char key, int x, int y ) -{ - (void) x; - (void) y; - switch (key) { - case 27: - exit(0); - break; - } - glutPostRedisplay(); -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowSize( (int) Width, (int) Height ); - glutInitWindowPosition( 0, 0 ); - - glutInitDisplayMode( GLUT_RGB ); - - glutCreateWindow( argv[0] ); - glewInit(); - - if ( argc > 1 ) { - count = strtoul( argv[1], NULL, 0 ); - if ( count == 0 ) { - fprintf( stderr, "Usage: %s [iterations]\n", argv[0] ); - exit(1); - } - } - - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutDisplayFunc( Display ); - glutIdleFunc( Idle ); - - glutMainLoop(); - return 0; -} |