Hello,
please discard this patch.
It is logically wrong.
David
From ea2d22fb135d51eecf0adbc3c25b53b0d0d4ebf1 Mon Sep 17 00:00:00 2001
From: David Adam <david.adam.c...@gmail.com>
Date: Sat, 29 Oct 2011 21:24:27 +0200
Subject: Simplify the computation of a 2-adic valuation
---
dlls/d3dx9_36/texture.c | 11 +----------
1 files changed, 1 insertions(+), 10 deletions(-)
diff --git a/dlls/d3dx9_36/texture.c b/dlls/d3dx9_36/texture.c
index 20d8880..41fb3b4 100644
--- a/dlls/d3dx9_36/texture.c
+++ b/dlls/d3dx9_36/texture.c
@@ -34,16 +34,7 @@ static BOOL is_pow2(UINT num)
/* Returns the smallest power of 2 which is greater than or equal to num */
static UINT make_pow2(UINT num)
{
- UINT result = 1;
-
- /* In the unlikely event somebody passes a large value, make sure we don't enter an infinite loop */
- if (num >= 0x80000000)
- return 0x80000000;
-
- while (result < num)
- result <<= 1;
-
- return result;
+ return (UINT)( ceil( log(num) / log(2) ) );
}
static HRESULT get_surface(D3DRESOURCETYPE type, LPDIRECT3DBASETEXTURE9 tex,
--
1.7.6
