diff options
| author | Dave Airlie <[email protected]> | 2018-01-24 13:13:49 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2018-01-25 06:48:11 +1000 |
| commit | d2414e64e443700b764dcd1bd7ee46bbf7a9401a (patch) | |
| tree | 4244df0b4c14de482ae76d285b42c1fcf2d3ad4f | |
| parent | 298554541da220ebdcd9aa9b9055ede2481d5817 (diff) | |
radv: add multisample Z optimisation from amdvlk
This was just found while reading for other stuff,
src/core/hw/gfxip/gfx6/gfx6DepthStencilView.cpp.
Reviewed-by: Samuel Pitoiset <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
| -rw-r--r-- | src/amd/vulkan/radv_pipeline.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index 41a206a634e..62faa3e473b 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -714,6 +714,9 @@ radv_pipeline_init_depth_stencil_state(struct radv_pipeline *pipeline, S_028800_Z_WRITE_ENABLE(vkds->depthWriteEnable ? 1 : 0) | S_028800_ZFUNC(vkds->depthCompareOp) | S_028800_DEPTH_BOUNDS_ENABLE(vkds->depthBoundsTestEnable ? 1 : 0); + + /* from amdvlk: For 4xAA and 8xAA need to decompress on flush for better performance */ + ds->db_render_override2 |= S_028010_DECOMPRESS_Z_ON_FLUSH(attachment->samples > 2); } if (has_stencil_attachment && vkds->stencilTestEnable) { |