From: Christian König <christian.koenig@amd.com>
Date: Mon, 4 Feb 2013 16:46:42 +0000 (+0100)
Subject: radeonsi: support constants as TEX coordinates
X-Git-Tag: mesa-9.2.1~2711
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8514f5ac01cb769b16dab0a307f9b0313556a495;p=platform%2Fupstream%2Fmesa.git

radeonsi: support constants as TEX coordinates

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
---

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index 36711be..1556a07 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -433,6 +433,15 @@ static LLVMValueRef fetch_constant(
 	LLVMValueRef offset;
 	LLVMValueRef load;
 
+	if (swizzle == LP_CHAN_ALL) {
+		unsigned chan;
+		LLVMValueRef values[4];
+		for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan)
+			values[chan] = fetch_constant(bld_base, reg, type, chan);
+
+		return lp_build_gather_values(bld_base->base.gallivm, values, 4);
+	}
+
 	/* currently not supported */
 	if (reg->Register.Indirect) {
 		assert(0);