The hw disables depth writes automatically.
Marek
On Fri, Oct 27, 2017 at 6:27 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
> Found by inspection.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/amd/vulkan/radv_pipeline.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index c25642c966..f5ebcda883 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -741,8 +741,14 @@ radv_pipeline_init_depth_stencil_state(struct
> radv_pipeline *pipeline,
> bool has_stencil_attachment =
> vk_format_is_stencil(attachment->format);
>
> if (has_depth_attachment) {
> + /* Depth writes are always disabled when depthTestEnable is
> + * VK_FALSE.
> + */
> + bool z_write_enable =
> + vkds->depthTestEnable && vkds->depthWriteEnable;
> +
> ds->db_depth_control =
> S_028800_Z_ENABLE(vkds->depthTestEnable ? 1 : 0) |
> -
> S_028800_Z_WRITE_ENABLE(vkds->depthWriteEnable ? 1 : 0) |
> + S_028800_Z_WRITE_ENABLE(z_write_enable
> ? 1 : 0) |
> S_028800_ZFUNC(vkds->depthCompareOp) |
>
> S_028800_DEPTH_BOUNDS_ENABLE(vkds->depthBoundsTestEnable ? 1 : 0);
> }
> --
> 2.14.3
>
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