[Mesa-stable] [Mesa-dev] [PATCH 4/8] radv: add all dependencies from external to the first subpass

[Bas Nieuwenhuizen]

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

for patch 3-4. Not sure they should go to stable though, since they
are optimizations?

On Tue, Jun 26, 2018 at 11:49 PM, Fredrik Höglund <fredrik at kde.org> wrote:
> This is to avoid repeating dependencies when more than one subpass
> has a dependency from external.
>
> Cc: <mesa-stable at lists.freedesktop.org>
> Signed-off-by: Fredrik Höglund <fredrik at kde.org>
> ---
>  src/amd/vulkan/radv_pass.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/src/amd/vulkan/radv_pass.c b/src/amd/vulkan/radv_pass.c
> index 2827f5f1a8d..7e6fd84af55 100644
> --- a/src/amd/vulkan/radv_pass.c
> +++ b/src/amd/vulkan/radv_pass.c
> @@ -179,6 +179,10 @@ VkResult radv_CreateRenderPass(
>                 if (src == dst)
>                         continue;
>
> +               if (src == VK_SUBPASS_EXTERNAL) {
> +                       /* Add all dependencies from external to the first subpass */
> +                       dst = 0;
> +               }
>                 if (dst == VK_SUBPASS_EXTERNAL) {
>                         if (pCreateInfo->pDependencies[i].dstStageMask != VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT)
>                                 pass->end_barrier.src_stage_mask |= pCreateInfo->pDependencies[i].srcStageMask;
> --
> 2.17.0
>
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