Nouveau: move the definition of log2i() to header

Also make the type unsigned instead of signed, since negative
values do not make sense.

Signed-off-by: Pekka Paalanen <pq@iki.fi>

7 files changed, 33 insertions, 156 deletions

diff --git a/src/gallium/drivers/nouveau/nouveau_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
index c92041ebeb..a10114beab 100644
--- a/src/gallium/drivers/nouveau/nouveau_util.h
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -61,4 +61,31 @@ nouveau_vbuf_split(unsigned remaining, unsigned overhead, unsigned vpp,
 	return max;
 }
 
+/* Integer base-2 logarithm, rounded towards zero. */
+static INLINE unsigned log2i(unsigned i)
+{
+	unsigned r = 0;
+
+	if (i & 0xffff0000) {
+		i >>= 16;
+		r += 16;
+	}
+	if (i & 0x0000ff00) {
+		i >>= 8;
+		r += 8;
+	}
+	if (i & 0x000000f0) {
+		i >>= 4;
+		r += 4;
+	}
+	if (i & 0x0000000c) {
+		i >>= 2;
+		r += 2;
+	}
+	if (i & 0x00000002) {
+		r += 1;
+	}
+	return r;
+}
+
 #endif
diff --git a/src/gallium/drivers/nv04/nv04_fragtex.c b/src/gallium/drivers/nv04/nv04_fragtex.c
index 1b866aae19..21f990fd53 100644
--- a/src/gallium/drivers/nv04/nv04_fragtex.c
+++ b/src/gallium/drivers/nv04/nv04_fragtex.c
@@ -1,30 +1,5 @@
 #include "nv04_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 #define _(m,tf)                                                                \
 {                                                                              \
diff --git a/src/gallium/drivers/nv10/nv10_fragtex.c b/src/gallium/drivers/nv10/nv10_fragtex.c
index 238634d0bb..27f2f87584 100644
--- a/src/gallium/drivers/nv10/nv10_fragtex.c
+++ b/src/gallium/drivers/nv10/nv10_fragtex.c
@@ -1,30 +1,5 @@
 #include "nv10_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 #define _(m,tf)                                                                \
 {                                                                              \
diff --git a/src/gallium/drivers/nv20/nv20_fragtex.c b/src/gallium/drivers/nv20/nv20_fragtex.c
index 94c64f76d5..495a7be912 100644
--- a/src/gallium/drivers/nv20/nv20_fragtex.c
+++ b/src/gallium/drivers/nv20/nv20_fragtex.c
@@ -1,30 +1,5 @@
 #include "nv20_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 #define _(m,tf)                                                                \
 {                                                                              \
diff --git a/src/gallium/drivers/nv30/nv30_fragtex.c b/src/gallium/drivers/nv30/nv30_fragtex.c
index efba8db86d..b1d2663af3 100644
--- a/src/gallium/drivers/nv30/nv30_fragtex.c
+++ b/src/gallium/drivers/nv30/nv30_fragtex.c
@@ -1,30 +1,5 @@
 #include "nv30_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 #define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w)                        \
 {                                                                              \
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c b/src/gallium/drivers/nv30/nv30_state_fb.c
index c549b17656..73bdf7e56c 100644
--- a/src/gallium/drivers/nv30/nv30_state_fb.c
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -1,30 +1,5 @@
 #include "nv30_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 static boolean
 nv30_state_framebuffer_validate(struct nv30_context *nv30)
diff --git a/src/gallium/drivers/nv40/nv40_state_fb.c b/src/gallium/drivers/nv40/nv40_state_fb.c
index f903b22ba0..28592d71c3 100644
--- a/src/gallium/drivers/nv40/nv40_state_fb.c
+++ b/src/gallium/drivers/nv40/nv40_state_fb.c
@@ -1,30 +1,5 @@
 #include "nv40_context.h"
-
-static INLINE int log2i(int i)
-{
-	int r = 0;
-
-	if (i & 0xffff0000) {
-		i >>= 16;
-		r += 16;
-	}
-	if (i & 0x0000ff00) {
-		i >>= 8;
-		r += 8;
-	}
-	if (i & 0x000000f0) {
-		i >>= 4;
-		r += 4;
-	}
-	if (i & 0x0000000c) {
-		i >>= 2;
-		r += 2;
-	}
-	if (i & 0x00000002) {
-		r += 1;
-	}
-	return r;
-}
+#include "nouveau/nouveau_util.h"
 
 static boolean
 nv40_state_framebuffer_validate(struct nv40_context *nv40)