Mesa (master): radeonsi: simplify depth/stencil export code

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 9baaa5dd4f34e96587504d275934fefa1a96c936
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9baaa5dd4f34e96587504d275934fefa1a96c936

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue May  6 19:55:48 2014 +0200

radeonsi: simplify depth/stencil export code

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>

---

 src/gallium/drivers/radeonsi/si_shader.c |   16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 00dfb3c..3ed4ad2 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1404,30 +1404,24 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
 		/* Specify the target we are exporting */
 		args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRTZ);
 
+		args[5] = base->zero; /* R, depth */
+		args[6] = base->zero; /* G, stencil test value[0:7], stencil op value[8:15] */
+		args[7] = base->zero; /* B, sample mask */
+		args[8] = base->zero; /* A, alpha to mask */
+
 		if (depth_index >= 0) {
 			out_ptr = si_shader_ctx->radeon_bld.soa.outputs[depth_index][2];
 			args[5] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
 			mask |= 0x1;
-
-			if (stencil_index < 0) {
-				args[6] =
-				args[7] =
-				args[8] = args[5];
-			}
 		}
 
 		if (stencil_index >= 0) {
 			out_ptr = si_shader_ctx->radeon_bld.soa.outputs[stencil_index][1];
-			args[7] =
-			args[8] =
 			args[6] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
 			/* Only setting the stencil component bit (0x2) here
 			 * breaks some stencil piglit tests
 			 */
 			mask |= 0x3;
-
-			if (depth_index < 0)
-				args[5] = args[6];
 		}
 
 		/* Specify which components to enable */