[Mesa-stable] [Mesa-dev] [PATCH] radv: make sure to init the DCC decompress compute path state

[Juan A. Suarez Romero]

On Thu, 2019-06-13 at 12:44 +0200, Samuel Pitoiset wrote:
> This fixes a segfault when forcing DCC decompressions on compute
> because internal meta objects are not created since the on-demand
> stuff.
> 

Does it make sense to nominate this to stable?

	J.A.

> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_meta_fast_clear.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/src/amd/vulkan/radv_meta_fast_clear.c b/src/amd/vulkan/radv_meta_fast_clear.c
> index 8f97c1a8f15..176f9803b45 100644
> --- a/src/amd/vulkan/radv_meta_fast_clear.c
> +++ b/src/amd/vulkan/radv_meta_fast_clear.c
> @@ -753,6 +753,14 @@ radv_decompress_dcc_compute(struct radv_cmd_buffer *cmd_buffer,
>  	state->flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_CB |
>  			     RADV_CMD_FLAG_FLUSH_AND_INV_CB_META;
>  
> +	if (!cmd_buffer->device->meta_state.fast_clear_flush.cmask_eliminate_pipeline) {
> +		VkResult ret = radv_device_init_meta_fast_clear_flush_state_internal(cmd_buffer->device);
> +		if (ret != VK_SUCCESS) {
> +			cmd_buffer->record_result = ret;
> +			return;
> +		}
> +	}
> +
>  	radv_meta_save(&saved_state, cmd_buffer, RADV_META_SAVE_DESCRIPTORS |
>  	                                         RADV_META_SAVE_COMPUTE_PIPELINE);
>