From 82e79ca9e491708b963942027477332872798bf6 Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Fri, 6 Jul 2018 22:22:20 +0200 Subject: [PATCH] Write a .flo file for easier evaluation. --- flow.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/flow.cpp b/flow.cpp index 7f714c2..43daa78 100644 --- a/flow.cpp +++ b/flow.cpp @@ -527,7 +527,11 @@ int main(void) 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) { @@ -538,6 +542,9 @@ int main(void) 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); @@ -546,6 +553,7 @@ int main(void) } } fclose(fp); + fclose(flowfp); fprintf(stderr, "err = %d\n", glGetError()); } -- 2.39.2