From: Dave Airlie <airlied@redhat.com>
Date: Mon, 30 Nov 2015 04:23:00 +0000 (+1000)
Subject: r600/shader: split address get out to a function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d64459a92a4c1a64fb7051fd1320c14c1854dcb;p=mesa.git

r600/shader: split address get out to a function.

This will be used in the tess shaders.

Reviewed-by: Oded Gabbay <oded.gabbay@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 d25fc3b85a2..6233753e716 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -598,6 +598,11 @@ static int select_twoside_color(struct r600_shader_ctx *ctx, int front, int back
 	return 0;
 }
 
+static inline int get_address_file_reg(struct r600_shader_ctx *ctx, int index)
+{
+	return index > 0 ? ctx->bc->index_reg[index - 1] : ctx->bc->ar_reg;
+}
+
 static int vs_add_primid_output(struct r600_shader_ctx *ctx, int prim_id_sid)
 {
 	int i;
@@ -7188,7 +7193,7 @@ static int tgsi_eg_arl(struct r600_shader_ctx *ctx)
 	struct r600_bytecode_alu alu;
 	int r;
 	int i, lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
-	unsigned reg = inst->Dst[0].Register.Index > 0 ? ctx->bc->index_reg[inst->Dst[0].Register.Index - 1] : ctx->bc->ar_reg;
+	unsigned reg = get_address_file_reg(ctx, inst->Dst[0].Register.Index);
 
 	assert(inst->Dst[0].Register.Index < 3);
 	memset(&alu, 0, sizeof(struct r600_bytecode_alu));