[Mesa-dev] [PATCH 2/6] radv: enable location at sample when persample is forced.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/amd/vulkan/radv_cmd_buffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index dd6deef..5b7564c 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));
 
-- 
2.9.3