[Mesa-dev] [PATCH 1/2] softpipe: fix texture sampling from 1D texture array

[Dave Airlie]

From: Dave Airlie <airl...@redhat.com>

This is the first part of a fix to piglit glsl-fs-shadow1DArray

Signed-off-by: Dave Airlie <airl...@redhat.com>
---
 src/gallium/auxiliary/tgsi/tgsi_exec.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c 
b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 1fb7f8f..060549f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1794,9 +1794,22 @@ exec_tex(struct tgsi_exec_machine *mach,
       break;
 
    case TGSI_TEXTURE_1D_ARRAY:
+      FETCH(&r[0], 0, CHAN_X);
+      FETCH(&r[1], 0, CHAN_Y);
+
+      if (modifier == TEX_MODIFIER_PROJECTED) {
+         micro_div(&r[0], &r[0], &r[3]);
+      }
+
+      fetch_texel(mach->Samplers[unit],
+                  &r[0], &r[1], &r[2], lod,     /* S, T, P, LOD */
+                  control,
+                  &r[0], &r[1], &r[2], &r[3]);  /* outputs */
+      break;
    case TGSI_TEXTURE_SHADOW1D_ARRAY:
       FETCH(&r[0], 0, CHAN_X);
       FETCH(&r[1], 0, CHAN_Y);
+      FETCH(&r[2], 0, CHAN_Z);
 
       if (modifier == TEX_MODIFIER_PROJECTED) {
          micro_div(&r[0], &r[0], &r[3]);
-- 
1.7.7.3

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