9abbedad09
Initial tests include: drawoverhead - measure overhead of state changes w.r.t drawing commands teximage - measure glTexImage2D() and glTexSubImage2D() speed vbo - measure glBufferData() and glBufferSubData() speed vertexrate - measure vertex rate for immediate mode, glDrawArrays, VBOs, etc.
157 lines
3.2 KiB
C
157 lines
3.2 KiB
C
/*
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* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VMWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* OpenGL/GLUT common code for perf programs.
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* Brian Paul
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* 15 Sep 2009
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*/
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#include "glmain.h"
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#include <GL/glut.h>
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static int Win;
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static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
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static GLboolean Anim = GL_FALSE;
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/** Return time in seconds */
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double
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PerfGetTime(void)
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{
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return glutGet(GLUT_ELAPSED_TIME) * 0.001;
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}
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void
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PerfSwapBuffers(void)
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{
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glutSwapBuffers();
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}
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static void
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Idle(void)
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{
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Xrot += 3.0;
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Yrot += 4.0;
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Zrot += 2.0;
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glutPostRedisplay();
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}
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static void
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Draw(void)
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{
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PerfDraw();
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glutSwapBuffers();
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}
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static void
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Reshape(int width, int height)
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{
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WinWidth = width;
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WinHeight = height;
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0.0, 0.0, -15.0);
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}
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static void
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Key(unsigned char key, int x, int y)
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{
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const GLfloat step = 3.0;
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(void) x;
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(void) y;
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switch (key) {
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case 'a':
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Anim = !Anim;
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if (Anim)
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glutIdleFunc(Idle);
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else
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glutIdleFunc(NULL);
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break;
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case 'z':
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Zrot -= step;
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break;
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case 'Z':
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Zrot += step;
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break;
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case 27:
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glutDestroyWindow(Win);
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exit(0);
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break;
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}
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glutPostRedisplay();
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}
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static void
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SpecialKey(int key, int x, int y)
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{
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const GLfloat step = 3.0;
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(void) x;
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(void) y;
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switch (key) {
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case GLUT_KEY_UP:
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Xrot -= step;
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break;
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case GLUT_KEY_DOWN:
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Xrot += step;
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break;
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case GLUT_KEY_LEFT:
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Yrot -= step;
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break;
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case GLUT_KEY_RIGHT:
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Yrot += step;
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break;
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}
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glutPostRedisplay();
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}
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int
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main(int argc, char *argv[])
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{
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glutInit(&argc, argv);
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glutInitWindowSize(WinWidth, WinHeight);
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
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Win = glutCreateWindow(argv[0]);
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glewInit();
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glutReshapeFunc(Reshape);
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glutKeyboardFunc(Key);
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glutSpecialFunc(SpecialKey);
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glutDisplayFunc(Draw);
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if (Anim)
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glutIdleFunc(Idle);
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PerfInit();
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glutMainLoop();
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return 0;
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}
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