bu5hm4n
/
efl
forked from enlightenment/efl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Evas TGV: Add some debugging features

This commit is contained in:
Jean-Philippe Andre 2014-05-27 18:11:14 +09:00
parent cdf6e52974
commit c8b3568f32
1 changed files with 47 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
src/modules/evas/savers/tgv/evas_image_save_tgv.c
View File

@ -13,6 +13,13 @@
#include "lz4hc.h"
#include "rg_etc1.h"
// FIXME: Remove DEBUG
#define DEBUG
#if defined(DEBUG) && defined(HAVE_CLOCK_GETTIME) && defined(_POSIX_MONOTONIC_CLOCK)
# include <time.h>
# define DEBUG_STATS
#endif
static int
_block_size_get(int size)
{
@ -157,6 +164,12 @@ evas_image_save_file_tgv(RGBA_Image *im,
Evas_Colorspace cspace;
Eina_Bool alpha;
#ifdef DEBUG_STATS
struct timespec ts1, ts2;
long long tsdiff, mse = 0, mse_div = 0;
clock_gettime(CLOCK_MONOTONIC, &ts1);
#endif
/* FIXME: How to tell the encoder to encode as ETC1 or ETC2?
* The save API is weak. For now, assume ETC2 iif there's alpha.
* As long as we don't have a full ETC2 encoder, this is fine.
@ -341,6 +354,27 @@ evas_image_save_file_tgv(RGBA_Image *im,
default: return 0;
}
#ifdef DEBUG_STATS
{
// Decode to compute PSNR, this is slow.
uint32_t done[16];
uint8_t *orig = (uint8_t *) todo;
uint8_t *enc = (uint8_t *) done;
if (alpha)
rg_etc2_rgba8_decode_block(offset, done);
else
rg_etc2_rgb8_decode_block(offset, done);
for (int k = 0; k < 64; k++)
{
const int err = (orig[k] - enc[k]);
mse += err * err;
mse_div++;
}
}
#endif
offset += etc_block_size;
}
}
@ -376,6 +410,19 @@ evas_image_save_file_tgv(RGBA_Image *im,
}
fclose(f);
#ifdef DEBUG_STATS
if (mse_div && mse)
{
// TODO: Add DSSIM too
double dmse = (double) mse / (double) mse_div;
double psnr = 20 * log10(255.0) - 10 * log10(dmse);
clock_gettime(CLOCK_MONOTONIC, &ts2);
tsdiff = ((ts2.tv_sec - ts1.tv_sec) * 1000LL) + ((ts2.tv_nsec - ts1.tv_nsec) / 1000000LL);
INF("ETC%d encoding stats: %dx%d, Time: %lldms, PSNR: %.02fdB",
alpha ? 2 : 1, image_stride, image_height, tsdiff, psnr);
}
#endif
return 1;
on_error: