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NDS : CPU scaler profiling (currently 50ms ouch)

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svn-id: r24810
This commit is contained in:
Bertrand Augereau 2006-12-06 20:17:21 +00:00
parent efb38a5d60
commit 8b68cfdb93
1 changed files with 13 additions and 0 deletions
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13
backends/platform/ds/arm9/source/dsmain.cpp
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@ -715,6 +715,12 @@ void displayMode16BitFlipBuffer() {
}
else if (isCpuScalerEnabled())
{
//#define SCALER_PROFILE
#ifdef SCALER_PROFILE
TIMER1_CR = TIMER_ENABLE | TIMER_DIV_1024;
u16 t0 = TIMER1_DATA;
#endif
const u8* back = (const u8*)get8BitBackBuffer();
u16* base = BG_GFX + 0x10000;
DS::Rescale_320x256xPAL8_To_256x256x1555( base,
@ -722,6 +728,13 @@ void displayMode16BitFlipBuffer() {
BG_PALETTE,
256,
512);
#ifdef SCALER_PROFILE
u16 t1 = TIMER1_DATA;
TIMER1_CR &= ~TIMER_ENABLE;
u32 dt = t1 - t0;
consolePrintf("%d us\n", (dt * 10240) / 334);
#endif
}
#ifdef HEAVY_LOGGING
consolePrintf("done\n");