From: José Fonseca <jfonseca@vmware.com>
Date: Mon, 3 May 2010 12:16:09 +0000 (+0100)
Subject: gallivm: Display message instead of crashing when sampler generator was not supplied... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9db4a211e96356deb963223038eea074a5fe0eda;p=mesa.git

gallivm: Display message instead of crashing when sampler generator was not supplied for tgsi translation.
---

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index faf491fc3c7..d9983862375 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -606,6 +606,14 @@ emit_tex( struct lp_build_tgsi_soa_context *bld,
    unsigned num_coords;
    unsigned i;
 
+   if (!bld->sampler) {
+      _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
+      for (i = 0; i < 4; i++) {
+         texel[i] = bld->base.undef;
+      }
+      return;
+   }
+
    switch (inst->Texture.Texture) {
    case TGSI_TEXTURE_1D:
       num_coords = 1;