[Mesa-dev] [RFC v5 11/19] vulkan/wsi: Add multiple planes to wsi_image_base

Jason Ekstrand jason at jlekstrand.net
Mon Nov 13 22:20:52 UTC 2017


On Mon, Nov 6, 2017 at 2:02 PM, Louis-Francis Ratté-Boulianne <
lfrb at collabora.com> wrote:

> From: Daniel Stone <daniels at collabora.com>
>
> Not currently used.
>
> Signed-off-by: Daniel Stone <daniels at collabora.com>
> ---
>  src/amd/vulkan/radv_wsi.c           | 13 +++++++------
>  src/intel/vulkan/anv_wsi.c          |  9 +++++----
>  src/vulkan/wsi/wsi_common.h         |  9 +++++----
>  src/vulkan/wsi/wsi_common_wayland.c | 11 +++++++----
>  src/vulkan/wsi/wsi_common_x11.c     | 12 ++++++++----
>  5 files changed, 32 insertions(+), 22 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_wsi.c b/src/amd/vulkan/radv_wsi.c
> index b24cf28d42..b535dc22f4 100644
> --- a/src/amd/vulkan/radv_wsi.c
> +++ b/src/amd/vulkan/radv_wsi.c
> @@ -213,22 +213,23 @@ radv_wsi_image_create(VkDevice device_h,
>                 RADV_FROM_HANDLE(radv_device_memory, memory, memory_h);
>                 if (!radv_get_memory_fd(device, memory, &fd))
>                         goto fail_alloc_memory;
> -               wsi_image->fd = fd;
> +               wsi_image->fds[0] = fd;
>         } else {
> -               wsi_image->fd = -1;
> +               wsi_image->fds[0] = -1;
>         }
>
>         surface = &image->surface;
>
>         wsi_image->image = image_h;
>         wsi_image->memory = memory_h;
> -       wsi_image->size = image->size;
> -       wsi_image->offset = image->offset;
> +       wsi_image->num_planes = 1;
> +       wsi_image->sizes[0] = image->size;
> +       wsi_image->offsets[0] = image->offset;
>         if (device->physical_device->rad_info.chip_class >= GFX9)
> -               wsi_image->row_pitch =
> +               wsi_image->row_pitches[0] =
>                         surface->u.gfx9.surf_pitch * surface->bpe;
>         else
> -               wsi_image->row_pitch =
> +               wsi_image->row_pitches[0] =
>                         surface->u.legacy.level[0].nblk_x * surface->bpe;
>
>         return VK_SUCCESS;
> diff --git a/src/intel/vulkan/anv_wsi.c b/src/intel/vulkan/anv_wsi.c
> index 916c62cad9..ae40f1f2f4 100644
> --- a/src/intel/vulkan/anv_wsi.c
> +++ b/src/intel/vulkan/anv_wsi.c
> @@ -266,10 +266,11 @@ anv_wsi_image_create(VkDevice device_h,
>
>     wsi_image->image = image_h;
>     wsi_image->memory = memory_h;
> -   wsi_image->fd = fd;
> -   wsi_image->size = image->size;
> -   wsi_image->offset = 0;
> -   wsi_image->row_pitch = surface->isl.row_pitch;
> +   wsi_image->num_planes = 1;
> +   wsi_image->fds[0] = fd;
> +   wsi_image->sizes[0] = image->size;
> +   wsi_image->offsets[0] = 0;
> +   wsi_image->row_pitches[0] = surface->isl.row_pitch;
>     return VK_SUCCESS;
>  fail_alloc_memory:
>     anv_FreeMemory(device_h, memory_h, pAllocator);
> diff --git a/src/vulkan/wsi/wsi_common.h b/src/vulkan/wsi/wsi_common.h
> index 1103703b0e..b6c5a438b1 100644
> --- a/src/vulkan/wsi/wsi_common.h
> +++ b/src/vulkan/wsi/wsi_common.h
> @@ -33,10 +33,11 @@
>  struct wsi_image_base {
>     VkImage image;
>     VkDeviceMemory memory;
>

If any of the FDs ever point to different BOs, this will need to be
per-plane as well.


> -   uint32_t size;
> -   uint32_t offset;
> -   uint32_t row_pitch;
> -   int fd;
> +   int num_planes;
> +   uint32_t sizes[4];
> +   uint32_t offsets[4];
> +   uint32_t row_pitches[4];
> +   int fds[4];
>

Would it be better to have an array of structs rather than SOA?


>  };
>
>  struct wsi_device;
> diff --git a/src/vulkan/wsi/wsi_common_wayland.c
> b/src/vulkan/wsi/wsi_common_wayland.c
> index 36cc4d0821..a76e29d26e 100644
> --- a/src/vulkan/wsi/wsi_common_wayland.c
> +++ b/src/vulkan/wsi/wsi_common_wayland.c
> @@ -736,15 +736,18 @@ wsi_wl_image_init(struct wsi_wl_swapchain *chain,
>     if (result != VK_SUCCESS)
>        return result;
>
> +   /* Without passing modifiers, we can't have multi-plane RGB images. */
> +   assert(image->base.num_planes == 1);
> +
>     image->buffer = wl_drm_create_prime_buffer(chain->drm_wrapper,
> -                                              image->base.fd, /* name */
> +                                              image->base.fds[0], /* name
> */
>                                                chain->extent.width,
>                                                chain->extent.height,
>                                                chain->drm_format,
> -                                              image->base.offset,
> -                                              image->base.row_pitch,
> +                                              image->base.offsets[0],
> +                                              image->base.row_pitches[0],
>                                                0, 0, 0, 0 /* unused */);
> -   close(image->base.fd);
> +   close(image->base.fds[0]);
>
>     if (!image->buffer)
>        goto fail_image;
> diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_
> x11.c
> index 78fd406aa1..e48d746305 100644
> --- a/src/vulkan/wsi/wsi_common_x11.c
> +++ b/src/vulkan/wsi/wsi_common_x11.c
> @@ -988,18 +988,22 @@ x11_image_init(VkDevice device_h, struct
> x11_swapchain *chain,
>
>     struct wsi_image_base *image_ws =
>        chain->base.needs_linear_copy ? &image->linear_base : &image->base;
> +
> +   /* Without passing modifiers, we can't have multi-plane RGB images. */
> +   assert(image_ws->num_planes == 1);
> +
>     cookie =
>        xcb_dri3_pixmap_from_buffer_checked(chain->conn,
>                                            image->pixmap,
>                                            chain->window,
> -                                          image_ws->size,
> +                                          image_ws->sizes[0],
>                                            pCreateInfo->imageExtent.width,
>                                            pCreateInfo->imageExtent.
> height,
> -                                          image_ws->row_pitch,
> +                                          image_ws->row_pitches[0],
>                                            chain->depth, bpp,
> -                                          image_ws->fd);
> +                                          image_ws->fds[0]);
>     xcb_discard_reply(chain->conn, cookie.sequence);
> -   image_ws->fd = -1; /* XCB has now taken ownership of the FD */
> +   image_ws->fds[0] = -1; /* XCB has now taken ownership of the FD */
>
>     int fence_fd = xshmfence_alloc_shm();
>     if (fence_fd < 0)
> --
> 2.13.0
>
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> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
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