From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Thu, 24 Apr 2014 04:45:19 +0000 (-0400)
Subject: nvc0/ir: fetch shadow value from proper place for TG4 cube array
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9339f8ac1bc41942c77db6fbbe0dccab42efad4c;p=mesa.git

nvc0/ir: fetch shadow value from proper place for TG4 cube array

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
---

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 ea545c21415..fc418bf4e3c 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -1683,7 +1683,10 @@ Converter::handleTEX(Value *dst[4], int R, int S, int L, int C, int Dx, int Dy)
    if (C == 0x0f)
       C = 0x00 | MAX2(tgt.getArgCount(), 2); // guess DC src
 
-   if (tgt.isShadow())
+   if (tgsi.getOpcode() == TGSI_OPCODE_TG4 &&
+       tgt == TEX_TARGET_CUBE_ARRAY_SHADOW)
+      shd = fetchSrc(1, 0);
+   else if (tgt.isShadow())
       shd = fetchSrc(C >> 4, C & 3);
 
    if (texi->op == OP_TXD) {