Nyaaori/gamescope
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity

steamcompmgr: Color management microbenchmark

Browse source
This commit is contained in:
Joshua Ashton 2023-05-09 03:01:22 +00:00 committed by Joshie
parent 9bac374ff7
commit eacb55f8fc
1 changed files with 47 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
src/steamcompmgr.cpp
View file

@ -119,6 +119,14 @@ extern float g_flHDRItmTargetNits;
extern std::atomic<uint64_t> g_lastVblank;
uint64_t timespec_to_nanos(struct timespec& spec)
{
return spec.tv_sec * 1'000'000'000ul + spec.tv_nsec;
}
//#define COLOR_MGMT_MICROBENCH
// sudo cpupower frequency-set --governor performance
static void
update_color_mgmt()
{
@ -137,9 +145,13 @@ update_color_mgmt()
g_ColorMgmt.pending.outputEncodingEOTF = EOTF_Gamma22;
}
#ifdef COLOR_MGMT_MICROBENCH
struct timespec t0, t1;
#else
// check if any part of our color mgmt stack is dirty
if ( g_ColorMgmt.pending == g_ColorMgmt.current && g_ColorMgmt.serial != 0 )
return;
#endif
if (g_ColorMgmt.pending.enabled)
{
@ -212,10 +224,26 @@ update_color_mgmt()
buildPQColorimetry( &inputColorimetry, &colorMapping, displayColorimetry );
}
#ifdef COLOR_MGMT_MICROBENCH
const int nProfileEOTF = 1;
if ( nInputEOTF == nProfileEOTF )
{
clock_gettime(CLOCK_MONOTONIC_RAW, &t0);
}
#endif
calcColorTransform( &lut1d[0], nLutSize1d, &lut3d[0], nLutEdgeSize3d, inputColorimetry, inputEOTF,
outputEncodingColorimetry, g_ColorMgmt.pending.outputEncodingEOTF,
colorMapping, g_ColorMgmt.pending.nightmode, tonemapping, pLook, flGain );
#ifdef COLOR_MGMT_MICROBENCH
if ( nInputEOTF == nProfileEOTF )
{
clock_gettime(CLOCK_MONOTONIC_RAW, &t1);
}
#endif
if ( !g_ColorMgmtLutsOverride[nInputEOTF].lut3d.empty() && !g_ColorMgmtLutsOverride[nInputEOTF].lut1d.empty() )
{
g_ColorMgmtLuts[nInputEOTF].lut1d = g_ColorMgmtLutsOverride[nInputEOTF].lut1d;
@ -241,6 +269,24 @@ update_color_mgmt()
g_ColorMgmtLuts[i].reset();
}
#ifdef COLOR_MGMT_MICROBENCH
double delta = (timespec_to_nanos(t1) - timespec_to_nanos(t0)) / 1000000.0;
static uint32_t iter = 0;
static const uint32_t iter_count = 120;
static double accum = 0;
accum += delta;
if (iter++ == iter_count)
{
printf("update_color_mgmt: %.3fms\n", accum / iter_count);
iter = 0;
accum = 0;
}
#endif
static uint32_t s_NextColorMgmtSerial = 0;
g_ColorMgmt.serial = ++s_NextColorMgmtSerial;
@ -928,7 +974,7 @@ uint64_t get_time_in_nanos()
timespec ts;
// Kernel reports page flips with CLOCK_MONOTONIC.
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1'000'000'000ul + ts.tv_nsec;
return timespec_to_nanos(ts);
}
void sleep_for_nanos(uint64_t nanos)