Merge remote-tracking branch 'origin/released'

Conflicts:
	mesalib/configs/linux-dri
	mesalib/src/gallium/auxiliary/util/u_math.h
	mesalib/src/mapi/glapi/gen/Makefile
	mesalib/src/mapi/glapi/glapi_mapi_tmp.h
	mesalib/src/mapi/glapi/glapi_sparc.S
	mesalib/src/mapi/glapi/glapi_x86-64.S
	mesalib/src/mapi/glapi/glapi_x86.S
	mesalib/src/mapi/glapi/glapitable.h
	mesalib/src/mapi/glapi/glapitemp.h
	mesalib/src/mapi/glapi/glprocs.h
	mesalib/src/mesa/drivers/dri/Makefile.template
	mesalib/src/mesa/main/dd.h
	mesalib/src/mesa/main/fbobject.c
	mesalib/src/mesa/main/remap_helper.h
	mesalib/src/mesa/main/shaderapi.c
	mesalib/src/mesa/main/teximage.c
	mesalib/src/mesa/main/uniforms.c
	mesalib/src/mesa/state_tracker/st_format.c
	mesalib/src/mesa/vbo/vbo_exec_array.c
	xorg-server/configure.ac
	xorg-server/dix/main.c
	xorg-server/dix/window.c
	xorg-server/hw/xquartz/GL/indirect.c
	xorg-server/hw/xquartz/X11Application.m
	xorg-server/hw/xquartz/darwin.c
	xorg-server/hw/xquartz/darwin.h
	xorg-server/hw/xquartz/mach-startup/Makefile.am
	xorg-server/hw/xquartz/pbproxy/app-main.m
	xorg-server/hw/xquartz/pbproxy/pbproxy.h
	xorg-server/hw/xquartz/pbproxy/x-selection.m
	xorg-server/hw/xquartz/xpr/xpr.h
	xorg-server/hw/xquartz/xpr/xprEvent.c
	xorg-server/hw/xquartz/xpr/xprScreen.c
	xorg-server/include/privates.h
	xorg-server/include/protocol-versions.h
	xorg-server/test/Makefile.am
	xorg-server/xfixes/cursor.c
	xorg-server/xfixes/xfixes.c
	xorg-server/xkeyboard-config/configure.in
	xorg-server/xkeyboard-config/rules/base.extras.xml.in
	xorg-server/xkeyboard-config/rules/base.xml.in
	xorg-server/xkeyboard-config/symbols/de
	xorg-server/xkeyboard-config/symbols/lk
	xorg-server/xkeyboard-config/symbols/ru

1 files changed, 11 insertions, 24 deletions

diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index cf8a1d486..fa9783892 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -81,31 +81,18 @@ _mesa_free_texmemory(void *m)
 

 

 /*

- * Compute floor(log_base_2(n)).

- * If n < 0 return -1.

+ * Returns the floor form of binary logarithm for a 32-bit integer.

  */

-static int

-logbase2( int n )

-{

-   GLint i = 1;

-   GLint log2 = 0;

-

-   if (n < 0)

-      return -1;

-

-   if (n == 0)

-      return 0;

-

-   while ( n > i ) {

-      i *= 2;

-      log2++;

-   }

-   if (i != n) {

-      return log2 - 1;

-   }

-   else {

-      return log2;

-   }

+static GLuint

+logbase2(GLuint n)

+{

+   GLuint pos = 0;

+   if (n >= 1<<16) { n >>= 16; pos += 16; }

+   if (n >= 1<< 8) { n >>=  8; pos +=  8; }

+   if (n >= 1<< 4) { n >>=  4; pos +=  4; }

+   if (n >= 1<< 2) { n >>=  2; pos +=  2; }

+   if (n >= 1<< 1) {           pos +=  1; }

+   return pos;

 }