Mesa (master): tgsi: Allow TXF from buffers.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: b636204ae82768f561f8b7f3e6e70eb982bbac1f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b636204ae82768f561f8b7f3e6e70eb982bbac1f

Author: José Fonseca <jfonseca at vmware.com>
Date:   Thu Nov 15 14:20:35 2012 +0000

tgsi: Allow TXF from buffers.

There is more work necessary to properly support buffers in shaders, but
this gets things a bit further along.

Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/gallium/auxiliary/tgsi/tgsi_exec.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 1b7150b..9f226c4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -2061,6 +2061,7 @@ exec_txf(struct tgsi_exec_machine *mach,
    case TGSI_TEXTURE_1D_ARRAY:
       IFETCH(&r[1], 0, TGSI_CHAN_Y);
       /* fallthrough */
+   case TGSI_TEXTURE_BUFFER:
    case TGSI_TEXTURE_1D:
    case TGSI_TEXTURE_SHADOW1D:
       IFETCH(&r[0], 0, TGSI_CHAN_X);