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FPS Test plugin: add greyscale library performance measurement.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16020 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-01-08 00:06:54 +00:00
parent d5b96f5e16
commit 54aeadaa6b
1 changed files with 79 additions and 0 deletions
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79
apps/plugins/test_fps.c
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@ -18,6 +18,7 @@
****************************************************************************/
#include "plugin.h"
#include "helper.h"
#include "grey.h"
#ifdef HAVE_LCD_BITMAP
@ -43,6 +44,10 @@ static int max_line;
static int remote_line;
static int remote_max_line;
#endif
#if LCD_DEPTH < 4
static unsigned char *gbuf;
static size_t gbuf_size;
#endif
static void log_init(void)
{
@ -251,6 +256,76 @@ static void time_remote_update(void)
}
#endif
#if LCD_DEPTH < 4
static unsigned char greydata[LCD_HEIGHT][LCD_WIDTH];
static void make_grey_rect(int width, int height)
{
unsigned char vline[LCD_WIDTH];
int x, y;
for (x = 0; x < width; x++)
vline[x] = (x << 8) / width;
for (y = 0; y < height; y++)
rb->memcpy(greydata[y], vline, width);
}
static void time_greyscale(void)
{
char str[32]; /* text buffer */
long time_start; /* start tickcount */
long time_end; /* end tickcount */
long time_1, time_2;
int frames_1, frames_2;
int fps, load;
gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
if (!grey_init(rb, gbuf, gbuf_size, false, LCD_WIDTH, LCD_HEIGHT, NULL))
{
log_text("greylib: out of memory.");
return;
}
make_grey_rect(LCD_WIDTH, LCD_HEIGHT);
/* Test 1 - greyscale overlay not yet enabled */
frames_1 = 0;
rb->sleep(0); /* sync to tick */
time_start = *rb->current_tick;
while((time_end = *rb->current_tick) - time_start < DURATION)
{
grey_ub_gray_bitmap(greydata[0], 0, 0, LCD_WIDTH, LCD_HEIGHT);
frames_1++;
}
time_1 = time_end - time_start;
/* Test 2 - greyscale overlay enabled */
grey_show(true);
frames_2 = 0;
rb->sleep(0); /* sync to tick */
time_start = *rb->current_tick;
while((time_end = *rb->current_tick) - time_start < DURATION)
{
grey_ub_gray_bitmap(greydata[0], 0, 0, LCD_WIDTH, LCD_HEIGHT);
frames_2++;
}
time_2 = time_end - time_start;
grey_release();
fps = calc_tenth_fps(frames_2, time_2);
load = 100 - (100* frames_2 * time_1) / (frames_1 * time_2);
rb->snprintf(str, sizeof(str), "1/1: %d.%d fps", fps / 10, fps % 10);
log_text(str);
if (load > 0 && load < 100)
{
rb->snprintf(str, sizeof(str), "CPU load: %d%%", load);
log_text(str);
}
else
log_text("CPU load err (boost?)");
}
#endif
/* plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
@ -275,6 +350,10 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
log_text("Main LCD YUV");
time_main_yuv();
#endif
#if LCD_DEPTH < 4
log_text("Greyscale library");
time_greyscale();
#endif
#ifdef HAVE_REMOTE_LCD
log_text("Remote LCD Update");
time_remote_update();