Alex Deucher wrote:
On Thu, May 27, 2010 at 10:55 AM, Matt Turner matts...@gmail.com wrote:
+static inline GLint r600_log2(GLint n)
+{
+ GLint log2 = 0;
+
+ while (n = 1)
+ ++log2;
+ return log2;
+}
Does mesa not provide something like this?
The only one I
Note if it is known that x and y are less than or equal to 7 it can be
done in 11 operations.
And bsr is one instruction for x86, cntlzw for ppc
Alan
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On Thu, May 27, 2010 at 4:01 PM, Frieder Ferlemann
frieder.ferlem...@web.de wrote:
Hi,
Am 28.05.2010 00:04, schrieb Conn Clark:
On Thu, May 27, 2010 at 8:51 AM, Brian Paul bri...@vmware.com wrote:
This code could be written with a faster algorithm requiring just 13
operations
+