nv50/ir: fix TXQ srcMask

src0.x is always read for the LOD, irrespective of which outputs are
read.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: mesa-stable@lists.freedesktop.org

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 8d9c0774cfbaae0aae7fee2c08bcf73dcba7adf9..b98015a6389c528e124c17bbcf85553cb4033c26 100644 (file)
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -345,6 +345,8 @@ unsigned int Instruction::srcMask(unsigned int s) const
       }
    }
       return mask;
+   case TGSI_OPCODE_TXQ:
+      return 1;
    case TGSI_OPCODE_XPD:
    {
       unsigned int x = 0;