void process_file(char *filename){
SDL_Event event;
int done = 0;
float **space;
int frame = 0;
int i;
FILE *depthfile;
char *line = NULL;
size_t size;
int playing = 1;
space = malloc(sizeof(float*) * 1000);
depthfile = fopen(filename,"r");
while(getline(&line, &size, depthfile) != -1){
space[frame] = malloc(sizeof(float) * 640 * 480);
space[frame][0] = atof(strtok(line, " "));
for(i = 1; i < 640*480; i++){
space[frame][i] = atof(strtok(NULL," \n"));
}
frame++;
}
fclose(depthfile);
frame = 0;
while(!done){
/* Event handling */
while( SDL_PollEvent( &event) ){
switch(event.type){
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_ESCAPE) done=1;
break;
case SDL_KEYUP:
if (event.key.keysym.sym == SDLK_SPACE) playing = !playing;
if (event.key.keysym.sym == SDLK_LEFT) frame--;
if (event.key.keysym.sym == SDLK_RIGHT) frame++;
break;
}
}
draw_depth(space[frame]);
if(playing){
printf("%d\n", frame);
frame++;
}
if(frame == 1000) break;
}
/* Free resources */
for(i = 0; i < frame; i++){
free(space[i]);
}
free(space);
}
static void draw(GLenum format, float scale)
{
if (is_depth_format(format))
draw_depth(scale);
else
draw_pixels(scale);
}
enum piglit_result
piglit_display(void)
{
GLboolean pass = GL_TRUE;
int depth;
GLuint tex;
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
tex = create_3d_fbo();
for (depth = 0; depth < NUM_DEPTHS; depth++) {
int x = 1 + depth * (BUF_WIDTH + 1);
int y = 1;
draw_depth(x, y, depth);
}
for (depth = 0; depth < NUM_DEPTHS; depth++) {
int x = 1 + depth * (BUF_WIDTH + 1);
int y = 1;
pass &= test_depth_drawing(x, y, depth_color[depth]);
}
glDeleteTextures(1, &tex);
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}