[Mesa-dev] [PATCH 6/6] radv: enable DCC for mipmapped color textures on GFX8

[Bas Nieuwenhuizen]

r-b

On Tue, Jun 18, 2019 at 4:12 PM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> It's tricky on GFX9, so only GFX8 for now.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_image.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
> index 98df24d3546..3e5e4c01967 100644
> --- a/src/amd/vulkan/radv_image.c
> +++ b/src/amd/vulkan/radv_image.c
> @@ -170,8 +170,13 @@ radv_use_dcc_for_image(struct radv_device *device,
>             vk_format_get_plane_count(pCreateInfo->format) > 1)
>                 return false;
>
> -       /* TODO: Enable DCC for mipmaps and array layers. */
> -       if (pCreateInfo->mipLevels > 1 || pCreateInfo->arrayLayers > 1)
> +       /* TODO: Enable DCC for mipmaps on GFX9+. */
> +       if (pCreateInfo->mipLevels > 1 &&
> +           device->physical_device->rad_info.chip_class >= GFX9)
> +               return false;
> +
> +       /* TODO: Enable DCC for array layers. */
> +       if (pCreateInfo->arrayLayers > 1)
>                 return false;
>
>         if (radv_surface_has_scanout(device, create_info))
> --
> 2.22.0
>
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