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annotate src/main.cc @ 12:226073258785

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quick backup: display video, draw tesselated quads
author Eleni Maria Stea <eleni@mutantstargoat.com>
date Mon, 04 Nov 2013 23:39:22 +0200
parents 4f1b8ddcd32e
children 65fd6d7c42b1
rev   line source
eleni@2 1 #include <GL/glew.h>
eleni@2 2 #include <GL/glut.h>
eleni@12 3
eleni@12 4 #include <assert.h>
eleni@0 5 #include <stdio.h>
eleni@0 6
eleni@0 7 #include "kinect.h"
eleni@2 8 #include "frame.h"
eleni@12 9 #include "tesquad.h"
eleni@0 10
eleni@0 11 freenect_context *kin_ctx;
eleni@0 12 freenect_device *kin_dev;
eleni@0 13 KinectParams kin_params;
eleni@2 14 Frame *frame;
eleni@0 15
eleni@2 16 static void cleanup();
eleni@2 17
eleni@2 18 static void display();
eleni@2 19 static void reshape(int w, int h);
eleni@2 20 static void keyb(unsigned char key, int x, int y);
eleni@2 21 static void idle();
eleni@2 22
eleni@2 23 bool has_video;
eleni@2 24 bool has_depth;
eleni@2 25
eleni@2 26 int main(int argc, char **argv)
eleni@0 27 {
eleni@0 28 if(!init_kinect(&kin_ctx, &kin_dev, &kin_params))
eleni@0 29 return 1;
eleni@0 30
eleni@7 31 if(!init_kinect_frames(kin_ctx, kin_dev, &kin_params)) {
eleni@2 32 stop_kinect(kin_ctx, kin_dev);
eleni@2 33 return 1;
eleni@2 34 }
eleni@2 35
eleni@2 36 glutInitWindowSize(800, 600);
eleni@2 37 glutInit(&argc, argv);
eleni@2 38 glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
eleni@2 39 glutCreateWindow("Test Kinect");
eleni@2 40
eleni@2 41 glewInit();
eleni@2 42
eleni@2 43 glutDisplayFunc(display);
eleni@2 44 glutReshapeFunc(reshape);
eleni@2 45 glutKeyboardFunc(keyb);
eleni@2 46 glutIdleFunc(idle);
eleni@2 47
eleni@2 48 glClearColor(1, 1, 1, 1);
eleni@12 49 frame = new Frame;
eleni@2 50
eleni@2 51 atexit(cleanup);
eleni@2 52 glutMainLoop();
eleni@2 53 }
eleni@2 54
eleni@2 55 static void display()
eleni@2 56 {
eleni@2 57 glClear(GL_COLOR_BUFFER_BIT);
eleni@2 58
eleni@2 59 glMatrixMode(GL_MODELVIEW);
eleni@2 60 glLoadIdentity();
eleni@2 61
eleni@2 62 glClearColor(1, 0, 0, 1);
eleni@2 63
eleni@2 64 has_depth = false; has_video = false;
eleni@2 65
eleni@2 66 if(freenect_process_events(kin_ctx) != 0) {
eleni@2 67 fprintf(stderr, "Failed to process events.\n");
eleni@2 68 exit(0);
eleni@2 69 }
eleni@12 70 assert(glGetError() == GL_NO_ERROR);
eleni@2 71 frame->process();
eleni@2 72
eleni@12 73 glEnable(GL_TEXTURE_2D);
eleni@12 74 glBindTexture(GL_TEXTURE_2D, frame->video_tex);
eleni@12 75 assert(glGetError() == GL_NO_ERROR);
eleni@12 76 draw_tess_quad(-1, -1, 0.6, 0.6, 1, 1);
eleni@12 77 // glBindTexture(GL_TEXTURE_2D, frame->depth_tex);
eleni@12 78 // draw_tes..
eleni@12 79 glDisable(GL_TEXTURE_2D);
eleni@12 80
eleni@2 81 glutSwapBuffers();
eleni@12 82 assert(glGetError() == GL_NO_ERROR);
eleni@2 83 }
eleni@2 84
eleni@2 85 static void reshape(int w, int h)
eleni@2 86 {
eleni@2 87 glViewport(0, 0, (GLsizei) w, (GLsizei) h);
eleni@2 88 glMatrixMode(GL_PROJECTION);
eleni@2 89 glLoadIdentity();
eleni@2 90 gluPerspective(45, (float)w / (float)h, 1, 1000);
eleni@2 91 }
eleni@2 92
eleni@2 93 static void keyb(unsigned char key, int x, int y)
eleni@2 94 {
eleni@2 95 switch(key) {
eleni@2 96 case 27:
eleni@2 97 exit(0);
eleni@2 98 default:
eleni@2 99 break;
eleni@2 100 }
eleni@2 101 }
eleni@2 102
eleni@2 103 static void idle()
eleni@2 104 {
eleni@2 105 glutPostRedisplay();
eleni@2 106 }
eleni@2 107
eleni@2 108 static void cleanup()
eleni@2 109 {
eleni@2 110 stop_kinect_frames(kin_dev);
eleni@0 111 stop_kinect(kin_ctx, kin_dev);
eleni@0 112 }