From 142d47ef9d4443c1da95ae5a6367f0fb34c301f5 Mon Sep 17 00:00:00 2001
From: Bertrand Augereau
Date: Sun, 9 Dec 2007 19:33:30 +0000
Subject: NDS : Improved scaler profiling

svn-id: r29803
---
 backends/platform/ds/arm9/source/dsmain.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'backends/platform/ds')

diff --git a/backends/platform/ds/arm9/source/dsmain.cpp b/backends/platform/ds/arm9/source/dsmain.cpp
index 42d6451381..4d747604c6 100644
--- a/backends/platform/ds/arm9/source/dsmain.cpp
+++ b/backends/platform/ds/arm9/source/dsmain.cpp
@@ -817,12 +817,17 @@ void displayMode16BitFlipBuffer() {
                                               BG_PALETTE );
         
         #ifdef SCALER_PROFILE
+        // 10 pixels : 1ms
         u16 t1 = TIMER1_DATA;
 	    TIMER1_CR &= ~TIMER_ENABLE;
         u32 dt = t1 - t0;
         u32 dt_us = (dt * 10240) / 334;
-        u32 dt_ms = dt_us / 1000;
-        memset(base, 0xFF, dt_ms*2);
+        u32 dt_10ms = dt_us / 100;
+        int i;
+        for(i=0; i<dt_10ms; ++i)
+            base[i] = ((i/10)&1) ? 0xFFFF : 0x801F;
+        for(; i<256; ++i)
+            base[i] = 0x8000;
         #endif
 	}
 	#ifdef HEAVY_LOGGING
-- 
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