anv/image: allocate some memory for mv storage after video images.

these images need motion vector storage allocated with them

Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20782>

src/intel/vulkan/anv_image.c

@@ -808,6 +808,30 @@ add_aux_surface_if_supported(struct anv_device *device,
    return VK_SUCCESS;
 }
 
+static VkResult
+add_video_buffers(struct anv_device *device,
+                  struct anv_image *image,
+                  const struct VkVideoProfileListInfoKHR *profile_list)
+{
+   ASSERTED bool ok;
+   unsigned size = 0;
+
+   for (unsigned i = 0; i < profile_list->profileCount; i++) {
+      if (profile_list->pProfiles[i].videoCodecOperation == VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR) {
+         unsigned w_mb = DIV_ROUND_UP(image->vk.extent.width, ANV_MB_WIDTH);
+         unsigned h_mb = DIV_ROUND_UP(image->vk.extent.height, ANV_MB_HEIGHT);
+         size = w_mb * h_mb * 128;
+      }
+   }
+
+   if (size == 0)
+      return VK_SUCCESS;
+
+   ok = image_binding_grow(device, image, ANV_IMAGE_MEMORY_BINDING_PRIVATE,
+                           ANV_OFFSET_IMPLICIT, size, 65536, &image->vid_dmv_top_surface);
+   return ok;
+}
+
 /**
  * Initialize the anv_image::*_surface selected by \a aspect. Then update the
  * image's memory requirements (that is, the image's size and alignment).
@@ -1383,6 +1407,15 @@ anv_image_init(struct anv_device *device, struct anv_image *image,
    if (r != VK_SUCCESS)
       goto fail;
 
+   const VkVideoProfileListInfoKHR *video_profile =
+      vk_find_struct_const(pCreateInfo->pNext,
+                           VIDEO_PROFILE_LIST_INFO_KHR);
+   if (video_profile) {
+      r = add_video_buffers(device, image, video_profile);
+      if (r != VK_SUCCESS)
+         goto fail;
+   }
+
    r = alloc_private_binding(device, image, pCreateInfo);
    if (r != VK_SUCCESS)
       goto fail;

src/intel/vulkan/anv_private.h

@@ -3546,6 +3546,8 @@ struct anv_image {
        */
       bool can_non_zero_fast_clear;
    } planes[3];
+
+   struct anv_image_memory_range vid_dmv_top_surface;
 };
 
 static inline bool
@@ -4087,6 +4089,9 @@ struct anv_acceleration_structure {
    struct anv_address                           address;
 };
 
+#define ANV_MB_WIDTH 16
+#define ANV_MB_HEIGHT 16
+
 void
 anv_dump_pipe_bits(enum anv_pipe_bits bits);