swrast: fix cube face selection

If arx and ary are equal, we still want to choose from one of them,
and not arz.

This is the same as Michal's softpipe fix.

diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index dd59314cd9671a5d90ea5a5ac251b1b386135bcb..ea749c01137ea185bd02185e7efed05e9e9ab159 100644 (file)
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -1863,7 +1863,7 @@ choose_cube_face(const struct gl_texture_object *texObj,
    GLuint face;
    GLfloat sc, tc, ma;
 
-   if (arx > ary && arx > arz) {
+   if (arx >= ary && arx >= arz) {
       if (rx >= 0.0F) {
          face = FACE_POS_X;
          sc = -rz;
@@ -1877,7 +1877,7 @@ choose_cube_face(const struct gl_texture_object *texObj,
          ma = arx;
       }
    }
-   else if (ary > arx && ary > arz) {
+   else if (ary >= arx && ary >= arz) {
       if (ry >= 0.0F) {
          face = FACE_POS_Y;
          sc = rx;