X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Ftnl%2Ft_vb_vertex.c;h=71a32b49528ec3a1a176181c2975d3a66c5c18ee;hb=76e2f390f9863a356d1419982dec705260d67eff;hp=ea3a56cd18514d89e61fccfdb0ee08df3a612595;hpb=877128505431adaf817dc8069172ebe4a1cdf5d8;p=mesa.git

diff --git a/src/mesa/tnl/t_vb_vertex.c b/src/mesa/tnl/t_vb_vertex.c
index ea3a56cd185..71a32b49528 100644
--- a/src/mesa/tnl/t_vb_vertex.c
+++ b/src/mesa/tnl/t_vb_vertex.c
@@ -27,13 +27,14 @@
 
 
 #include "main/glheader.h"
-#include "main/colormac.h"
 #include "main/macros.h"
 #include "main/imports.h"
 #include "main/mtypes.h"
 
 #include "math/m_xform.h"
 
+#include "util/bitscan.h"
+
 #include "t_context.h"
 #include "t_pipeline.h"
 
@@ -64,40 +65,39 @@ static void NAME( struct gl_context *ctx,				\
 		  GLubyte *clipormask,				\
 		  GLubyte *clipandmask )			\
 {								\
-   GLuint p;							\
-								\
-   for (p = 0; p < ctx->Const.MaxClipPlanes; p++)		\
-      if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {	\
-	 GLuint nr, i;						\
-	 const GLfloat a = ctx->Transform._ClipUserPlane[p][0];	\
-	 const GLfloat b = ctx->Transform._ClipUserPlane[p][1];	\
-	 const GLfloat c = ctx->Transform._ClipUserPlane[p][2];	\
-	 const GLfloat d = ctx->Transform._ClipUserPlane[p][3];	\
-         GLfloat *coord = (GLfloat *)clip->data;		\
-         GLuint stride = clip->stride;				\
-         GLuint count = clip->count;				\
+   GLbitfield mask = ctx->Transform.ClipPlanesEnabled;          \
+   while (mask) {                                               \
+      const int p = u_bit_scan(&mask);                          \
+      GLuint nr, i;						\
+      const GLfloat a = ctx->Transform._ClipUserPlane[p][0];	\
+      const GLfloat b = ctx->Transform._ClipUserPlane[p][1];	\
+      const GLfloat c = ctx->Transform._ClipUserPlane[p][2];	\
+      const GLfloat d = ctx->Transform._ClipUserPlane[p][3];	\
+      GLfloat *coord = (GLfloat *)clip->data;                   \
+      GLuint stride = clip->stride;				\
+      GLuint count = clip->count;				\
 								\
-	 for (nr = 0, i = 0 ; i < count ; i++) {		\
-	    GLfloat dp = coord[0] * a + coord[1] * b;		\
-	    if (SZ > 2) dp += coord[2] * c;			\
-	    if (SZ > 3) dp += coord[3] * d; else dp += d;	\
+      for (nr = 0, i = 0 ; i < count ; i++) {                   \
+         GLfloat dp = coord[0] * a + coord[1] * b;		\
+         if (SZ > 2) dp += coord[2] * c;			\
+         if (SZ > 3) dp += coord[3] * d; else dp += d;          \
 								\
-	    if (dp < 0) {					\
-	       nr++;						\
-	       clipmask[i] |= CLIP_USER_BIT;			\
-	    }							\
+         if (dp < 0) {                                          \
+            nr++;						\
+            clipmask[i] |= CLIP_USER_BIT;			\
+         }							\
 								\
-	    STRIDE_F(coord, stride);				\
-	 }							\
+         STRIDE_F(coord, stride);				\
+      }                                                         \
 								\
-	 if (nr > 0) {						\
-	    *clipormask |= CLIP_USER_BIT;			\
-	    if (nr == count) {					\
-	       *clipandmask |= CLIP_USER_BIT;			\
-	       return;						\
-	    }							\
-	 }							\
+      if (nr > 0) {						\
+         *clipormask |= CLIP_USER_BIT;                          \
+         if (nr == count) {					\
+            *clipandmask |= CLIP_USER_BIT;			\
+            return;						\
+         }							\
       }								\
+   }								\
 }