This was being classed as unsupported in one place but used in others.
Enabling it seems to work fine.
---
 src/gallium/drivers/r600/r600_shader.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c 
b/src/gallium/drivers/r600/r600_shader.c
index 141adcc..b53d478 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -389,11 +389,9 @@ static int tgsi_is_supported(struct r600_shader_ctx *ctx)
        }
 #endif
        for (j = 0; j < i->Instruction.NumSrcRegs; j++) {
-               if (i->Src[j].Register.Dimension ||
-                       i->Src[j].Register.Absolute) {
-                       R600_ERR("unsupported src %d (dimension %d|absolute 
%d)\n", j,
-                                i->Src[j].Register.Dimension,
-                                i->Src[j].Register.Absolute);
+               if (i->Src[j].Register.Dimension) {
+                       R600_ERR("unsupported src %d (dimension %d)\n", j,
+                                i->Src[j].Register.Dimension);
                        return -EINVAL;
                }
        }
@@ -760,6 +758,7 @@ static int tgsi_src(struct r600_shader_ctx *ctx,
        if (tgsi_src->Register.Indirect)
                r600_src->rel = V_SQ_REL_RELATIVE;
        r600_src->neg = tgsi_src->Register.Negate;
+       r600_src->abs = tgsi_src->Register.Absolute;
        r600_src->sel += ctx->file_offset[tgsi_src->Register.File];
        return 0;
 }
-- 
1.7.1

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