From: Dave Airlie <airlied@redhat.com>
Date: Tue, 18 Nov 2014 00:55:44 +0000 (+1000)
Subject: r600g/cayman: fix texture gather tests
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=27e1e0e7108511b43d0f56f678c7201f39e2acc5;p=mesa.git

r600g/cayman: fix texture gather tests

It appears on cayman the TG4 outputs were reordered.

This fixes a lot of piglit tests.

Cc: "10.3 10.4" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 4c6ae4545ff..709fcd74471 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -5763,11 +5763,18 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
 		int8_t texture_component_select = ctx->literals[4 * inst->Src[1].Register.Index + inst->Src[1].Register.SwizzleX];
 		tex.inst_mod = texture_component_select;
 
+		if (ctx->bc->chip_class == CAYMAN) {
 		/* GATHER4 result order is different from TGSI TG4 */
-		tex.dst_sel_x = (inst->Dst[0].Register.WriteMask & 2) ? 1 : 7;
-		tex.dst_sel_y = (inst->Dst[0].Register.WriteMask & 4) ? 2 : 7;
-		tex.dst_sel_z = (inst->Dst[0].Register.WriteMask & 1) ? 0 : 7;
-		tex.dst_sel_w = (inst->Dst[0].Register.WriteMask & 8) ? 3 : 7;
+			tex.dst_sel_x = (inst->Dst[0].Register.WriteMask & 2) ? 0 : 7;
+			tex.dst_sel_y = (inst->Dst[0].Register.WriteMask & 4) ? 1 : 7;
+			tex.dst_sel_z = (inst->Dst[0].Register.WriteMask & 1) ? 2 : 7;
+			tex.dst_sel_w = (inst->Dst[0].Register.WriteMask & 8) ? 3 : 7;
+		} else {
+			tex.dst_sel_x = (inst->Dst[0].Register.WriteMask & 2) ? 1 : 7;
+			tex.dst_sel_y = (inst->Dst[0].Register.WriteMask & 4) ? 2 : 7;
+			tex.dst_sel_z = (inst->Dst[0].Register.WriteMask & 1) ? 0 : 7;
+			tex.dst_sel_w = (inst->Dst[0].Register.WriteMask & 8) ? 3 : 7;
+		}
 	}
 	else if (inst->Instruction.Opcode == TGSI_OPCODE_LODQ) {
 		tex.dst_sel_x = (inst->Dst[0].Register.WriteMask & 2) ? 1 : 7;