Mesa (master): r300g: Setup external state for wrap modes.

[Corbin Simpson]

Module: Mesa
Branch: master
Commit: f95ff1cf48a3da090dc999621f2d153af0c7db14
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f95ff1cf48a3da090dc999621f2d153af0c7db14

Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date:   Sun Apr 11 13:55:00 2010 -0700

r300g: Setup external state for wrap modes.

---

 src/gallium/drivers/r300/r300_fs.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c
index bd9608e..c0d26e5 100644
--- a/src/gallium/drivers/r300/r300_fs.c
+++ b/src/gallium/drivers/r300/r300_fs.c
@@ -152,6 +152,32 @@ static void get_external_state(
             /* Fortunately, no need to translate this. */
             state->unit[i].texture_compare_func = s->state.compare_func;
         }
+
+        /* Should we ask the shader to handle wrapping modes for us? */
+        if (!s->state.normalized_coords) {
+            state->unit[i].non_normalized_coords = 1;
+
+            /* XXX this should probably take into account STR, not just S. */
+            switch (s->state.wrap_s) {
+                case PIPE_TEX_WRAP_REPEAT:
+                    state->unit[i].wrap_mode = RC_WRAP_REPEAT;
+                    break;
+                case PIPE_TEX_WRAP_CLAMP:
+                case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
+                case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+                    state->unit[i].wrap_mode = RC_WRAP_CLAMP;
+                    break;
+                case PIPE_TEX_WRAP_MIRROR_REPEAT:
+                case PIPE_TEX_WRAP_MIRROR_CLAMP:
+                case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
+                case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
+                    state->unit[i].wrap_mode = RC_WRAP_MIRROR;
+                    break;
+                default:
+                    state->unit[i].wrap_mode = RC_WRAP_NONE;
+                    break;
+            }
+        }
     }
 }