Mesa (master): i915g: Document fall-through switch

[Stephane Marchesin]

Module: Mesa
Branch: master
Commit: f9b37f7183ca2df228f2b7382ac9e2d0f74cb904
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f9b37f7183ca2df228f2b7382ac9e2d0f74cb904

Author: Stéphane Marchesin <marcheu at chromium.org>
Date:   Fri Sep  6 11:02:25 2013 -0700

i915g: Document fall-through switch

Fixes warning reported by Coverity.

---

 src/gallium/drivers/i915/i915_fpc_emit.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/i915/i915_fpc_emit.c b/src/gallium/drivers/i915/i915_fpc_emit.c
index 683cef0..f4de1f1 100644
--- a/src/gallium/drivers/i915/i915_fpc_emit.c
+++ b/src/gallium/drivers/i915/i915_fpc_emit.c
@@ -200,16 +200,15 @@ uint i915_emit_texld( struct i915_fp_compile *p,
     * a swizzle for no reason below. */
    switch(num_coord) {
       case 0:
-         /* Ignore x */
          ignore |= (0xf << UREG_CHANNEL_X_SHIFT);
+         /* fall-through */
       case 1:
-         /* Ignore y */
          ignore |= (0xf << UREG_CHANNEL_Y_SHIFT);
+         /* fall-through */
       case 2:
-         /* Ignore z */
          ignore |= (0xf << UREG_CHANNEL_Z_SHIFT);
+         /* fall-through */
       case 3:
-         /* Ignore w */
          ignore |= (0xf << UREG_CHANNEL_W_SHIFT);
    }