glGetTextureImage(prev_level_flow_tex, 0, GL_RGB, GL_FLOAT, level_width * level_height * 3 * sizeof(float), dense_flow.get());
FILE *fp = fopen("flow.ppm", "wb");
+ FILE *flowfp = fopen("flow.flo", "wb");
fprintf(fp, "P6\n%d %d\n255\n", level_width, level_height);
+ fprintf(flowfp, "FEIH");
+ fwrite(&level_width, 4, 1, flowfp);
+ fwrite(&level_height, 4, 1, flowfp);
for (unsigned y = 0; y < unsigned(level_height); ++y) {
int yy = level_height - y - 1;
for (unsigned x = 0; x < unsigned(level_width); ++x) {
du = (du / w) * level_width;
dv = (-dv / w) * level_height;
+ fwrite(&du, 4, 1, flowfp);
+ fwrite(&dv, 4, 1, flowfp);
+
uint8_t r, g, b;
flow2rgb(du, dv, &r, &g, &b);
putc(r, fp);
}
}
fclose(fp);
+ fclose(flowfp);
fprintf(stderr, "err = %d\n", glGetError());
}