Only gfx9 and older use it to get InstanceID in VGPR1.
Ported from RadeonSI.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/amd/vulkan/si_cmd_buffer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index e37b9498a71..32674d38bb9 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -192,7 +192,8 @@ si_emit_graphics(struct radv_physical_device
*physical_device,
radeon_set_context_reg(cs, R_028B98_VGT_STRMOUT_BUFFER_CONFIG,
0x0);
}
- radeon_set_context_reg(cs, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 1);
+ if (physical_device->rad_info.chip_class <= GFX9)
+ radeon_set_context_reg(cs, R_028AA0_VGT_INSTANCE_STEP_RATE_0,
1);
if (!physical_device->has_clear_state)
radeon_set_context_reg(cs, R_028AB8_VGT_VTX_CNT_EN, 0x0);
if (physical_device->rad_info.chip_class < GFX7)
--
2.22.1
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