Alex Deucher wrote:
On Thu, May 27, 2010 at 10:55 AM, Matt Turner <mattst88@xxxxxxxxx> 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 could find was a gallium utility function.
There's a logbase2() function in teximage.c but it might not be
equivalent.
-Brian
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