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authorSamuel Pitoiset <[email protected]>2018-10-10 14:04:42 +0200
committerSamuel Pitoiset <[email protected]>2018-10-11 10:16:11 +0200
commitd179312b53d94a4f0ffe1e88569525300afb4985 (patch)
treeb5dfe10e4c423abc9fac4c9f5c42c527e13d758c /src/amd/vulkan/radv_pipeline.c
parent3bc012a34e710f4e6029b889b33536b1c6eb0092 (diff)
radv: add a workaround for a VGT hang with prim restart and strips
Otherwise, Yakuza and The Evil Within hang the GPU with DXVK. This apparently only works on Polaris. Suggested by Marek. Cc: [email protected] Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd/vulkan/radv_pipeline.c')
-rw-r--r--src/amd/vulkan/radv_pipeline.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 1e7d7dc945f..426b417e172 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -3411,6 +3411,17 @@ radv_compute_ia_multi_vgt_param_helpers(struct radv_pipeline *pipeline,
}
}
+ /* Workaround for a VGT hang when strip primitive types are used with
+ * primitive restart.
+ */
+ if (pipeline->graphics.prim_restart_enable &&
+ (prim == V_008958_DI_PT_LINESTRIP ||
+ prim == V_008958_DI_PT_TRISTRIP ||
+ prim == V_008958_DI_PT_LINESTRIP_ADJ ||
+ prim == V_008958_DI_PT_TRISTRIP_ADJ)) {
+ ia_multi_vgt_param.partial_vs_wave = true;
+ }
+
ia_multi_vgt_param.base =
S_028AA8_PRIMGROUP_SIZE(ia_multi_vgt_param.primgroup_size - 1) |
/* The following field was moved to VGT_SHADER_STAGES_EN in GFX9. */