From: Dave Airlie <airlied@redhat.com>
Date: Thu, 23 Feb 2017 04:24:20 +0000 (+1000)
Subject: radv: enable location at sample when persample is forced.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=58c97a0791bf71b31546b13c2b491a636555749c;p=mesa.git

radv: enable location at sample when persample is forced.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index dd6deef17c8..5b7564c6399 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -685,6 +685,9 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer,
 	radeon_set_context_reg(cmd_buffer->cs, R_0286D0_SPI_PS_INPUT_ADDR,
 			       ps->config.spi_ps_input_addr);
 
+	if (ps->info.fs.force_persample)
+		spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2);
+
 	radeon_set_context_reg(cmd_buffer->cs, R_0286D8_SPI_PS_IN_CONTROL,
 			       S_0286D8_NUM_INTERP(ps->info.fs.num_interp));