FINISHME: anv: Fix VkPhysicalDeviceExternalImageFormatInfo for VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT

Rename it to 'base_info', to distinguish it from 'drm_info' introduced
in upcoming commit.

src/intel/vulkan/anv_android.c

@@ -134,10 +134,10 @@ get_ahw_buffer_format_properties(
    /* Default to OPTIMAL tiling but set to linear in case
     * of AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER usage.
     */
-   VkImageTiling tiling = VK_IMAGE_TILING_OPTIMAL;
+   struct anv_tiling tiling = anv_tiling_optimal();
 
    if (desc.usage & AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER)
-      tiling = VK_IMAGE_TILING_LINEAR;
+      tiling = anv_tiling_linear();
 
    p->formatFeatures =
       anv_get_image_format_features(&device->info, p->format, anv_format,
@@ -472,13 +472,13 @@ anv_image_from_gralloc(VkDevice device_h,
    int i915_tiling = anv_gem_get_tiling(device, bo->gem_handle);
    switch (i915_tiling) {
    case I915_TILING_NONE:
-      anv_info.isl_tiling_flags = ISL_TILING_LINEAR_BIT;
+      anv_info.drm_format_mod = DRM_FORMAT_MOD_LINEAR;
       break;
    case I915_TILING_X:
-      anv_info.isl_tiling_flags = ISL_TILING_X_BIT;
+      anv_info.drm_format_mod = I915_FORMAT_MOD_X_TILED;
       break;
    case I915_TILING_Y:
-      anv_info.isl_tiling_flags = ISL_TILING_Y0_BIT;
+      anv_info.drm_format_mod = I915_FORMAT_MOD_Y_TILED;
       break;
    case -1:
       result = vk_errorf(device->instance, device,

src/intel/vulkan/anv_blorp.c

@@ -449,7 +449,7 @@ copy_buffer_to_image(struct anv_cmd_buffer *cmd_buffer,
 
       const enum isl_format buffer_format =
          anv_get_isl_format(&cmd_buffer->device->info, anv_image->vk_format,
-                            aspect, VK_IMAGE_TILING_LINEAR);
+                            aspect, anv_tiling_linear());
 
       const VkExtent3D bufferImageExtent = {
          .width  = pRegions[r].bufferRowLength ?
@@ -1174,7 +1174,7 @@ clear_depth_stencil_attachment(struct anv_cmd_buffer *cmd_buffer,
       depth_format = anv_get_isl_format(&cmd_buffer->device->info,
                                         pass_att->format,
                                         VK_IMAGE_ASPECT_DEPTH_BIT,
-                                        VK_IMAGE_TILING_OPTIMAL);
+                                        anv_tiling_optimal());
    }
 
    uint32_t binding_table;

src/intel/vulkan/anv_device.c

@@ -29,7 +29,6 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <xf86drm.h>
-#include "drm-uapi/drm_fourcc.h"
 
 #include "anv_private.h"
 #include "util/strtod.h"

src/intel/vulkan/anv_extensions.py

@@ -135,6 +135,7 @@ EXTENSIONS = [
     Extension('VK_EXT_global_priority',                   1,
               'device->has_context_priority'),
     Extension('VK_EXT_host_query_reset',                  1, True),
+    Extension('VK_EXT_image_drm_format_modifier',         1, True),
     Extension('VK_EXT_inline_uniform_block',              1, True),
     Extension('VK_EXT_memory_budget',                     1, 'device->has_mem_available'),
     Extension('VK_EXT_pci_bus_info',                      2, True),

src/intel/vulkan/anv_formats.c

@@ -22,7 +22,6 @@
  */
 
 #include "anv_private.h"
-#include "drm-uapi/drm_fourcc.h"
 #include "vk_enum_to_str.h"
 #include "vk_format_info.h"
 #include "vk_util.h"
@@ -436,13 +435,29 @@ anv_get_format(VkFormat vk_format)
    return format;
 }
 
+static bool
+anv_format_has_npot_plane(const struct anv_format *anv_format) {
+   for (uint32_t i = 0; i < anv_format->n_planes; ++i) {
+      const struct isl_format_layout *isl_layout =
+       isl_format_get_layout(anv_format->planes[i].isl_format);
+
+      if (!util_is_power_of_two_or_zero(isl_layout->bpb))
+         return true;
+   }
+
+   return false;
+}
+
 /**
  * Exactly one bit must be set in \a aspect.
  */
 struct anv_format_plane
 anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
-                     VkImageAspectFlagBits aspect, VkImageTiling tiling)
+                     VkImageAspectFlagBits aspect, struct anv_tiling tiling)
 {
+   assert((tiling.vk != VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) ==
+          (tiling.drm_format_mod == DRM_FORMAT_MOD_INVALID));
+
    const struct anv_format *format = anv_get_format(vk_format);
    const struct anv_format_plane unsupported = {
       .isl_format = ISL_FORMAT_UNSUPPORTED,
@@ -459,6 +474,15 @@ anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
    if (aspect & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
       assert(vk_format_aspects(vk_format) &
              (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT));
+
+      if (tiling.vk != VK_IMAGE_TILING_OPTIMAL) {
+         /* We could support depth and stencil images with explicit
+          * user-selected tiling (linear or modifier) if we wanted, but there
+          * is no justification for the maintenance burden.
+          */
+         return unsupported;
+      }
+
       return plane_format;
    }
 
@@ -467,13 +491,17 @@ anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
    const struct isl_format_layout *isl_layout =
       isl_format_get_layout(plane_format.isl_format);
 
-   if (tiling == VK_IMAGE_TILING_OPTIMAL &&
+   bool rewrite_layout = false;
+
+   if (!anv_tiling_is_linear(tiling) &&
        !util_is_power_of_two_or_zero(isl_layout->bpb)) {
       /* Tiled formats *must* be power-of-two because we need up upload
        * them with the render pipeline.  For 3-channel formats, we fix
        * this by switching them over to RGBX or RGBA formats under the
        * hood.
        */
+      rewrite_layout = true;
+
       enum isl_format rgbx = isl_format_rgb_to_rgbx(plane_format.isl_format);
       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
           isl_format_supports_rendering(devinfo, rgbx)) {
@@ -489,10 +517,19 @@ anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
     * back to a format with a more complex swizzle.
     */
    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 8) {
+      rewrite_layout = true;
       plane_format.isl_format = ISL_FORMAT_B4G4R4A4_UNORM;
       plane_format.swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE);
    }
 
+   /* For VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT, the image's physical layout
+    * must not differ from its nominal layout in the Vulkan API.
+    */
+   if (tiling.vk == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
+       rewrite_layout) {
+      return unsupported;
+   }
+
    return plane_format;
 }
 
@@ -502,18 +539,26 @@ VkFormatFeatureFlags
 anv_get_image_format_features(const struct gen_device_info *devinfo,
                               VkFormat vk_format,
                               const struct anv_format *anv_format,
-                              VkImageTiling vk_tiling)
+                              struct anv_tiling tiling)
 {
    VkFormatFeatureFlags flags = 0;
 
    if (anv_format == NULL)
       return 0;
 
+   assert((tiling.vk != VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) ==
+          (tiling.drm_format_mod == DRM_FORMAT_MOD_INVALID));
+
    const VkImageAspectFlags aspects = vk_format_aspects(vk_format);
 
    if (aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
-      if (vk_tiling == VK_IMAGE_TILING_LINEAR)
+      if (tiling.vk != VK_IMAGE_TILING_OPTIMAL) {
+         /* We could support depth and stencil images with explicit
+          * user-selected tiling (linear or modifier) if we wanted, but there
+          * is no justification for the maintenance burden.
+          */
          return 0;
+      }
 
       flags |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
                VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
@@ -530,32 +575,35 @@ anv_get_image_format_features(const struct gen_device_info *devinfo,
 
    const struct anv_format_plane plane_format =
       anv_get_format_plane(devinfo, vk_format, VK_IMAGE_ASPECT_COLOR_BIT,
-                           vk_tiling);
+                           tiling);
 
    if (plane_format.isl_format == ISL_FORMAT_UNSUPPORTED)
       return 0;
 
    struct anv_format_plane base_plane_format = plane_format;
-   if (vk_tiling == VK_IMAGE_TILING_OPTIMAL) {
+   if (tiling.vk == VK_IMAGE_TILING_OPTIMAL) {
       base_plane_format = anv_get_format_plane(devinfo, vk_format,
                                                VK_IMAGE_ASPECT_COLOR_BIT,
-                                               VK_IMAGE_TILING_LINEAR);
+                                               anv_tiling_linear());
    }
 
    enum isl_format base_isl_format = base_plane_format.isl_format;
 
-   /* ASTC textures must be in Y-tiled memory */
-   if (vk_tiling == VK_IMAGE_TILING_LINEAR &&
-       isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC)
-      return 0;
+   if (isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC) {
+      /* ASTC requires nasty workarounds on BSW so we just disable it for now.
+       *
+       * TODO: Figure out the ASTC workarounds and re-enable on BSW.
+       */
+      if (devinfo->gen < 9)
+         return 0;
 
-   /* ASTC requires nasty workarounds on BSW so we just disable it for now.
-    *
-    * TODO: Figure out the ASTC workarounds and re-enable on BSW.
-    */
-   if (devinfo->gen < 9 &&
-       isl_format_get_layout(plane_format.isl_format)->txc == ISL_TXC_ASTC)
-      return 0;
+      /* ASTC must be Y-tiled without CCS. */
+      if (!(tiling.vk == VK_IMAGE_TILING_OPTIMAL ||
+            (tiling.vk == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
+             tiling.drm_format_mod == I915_FORMAT_MOD_Y_TILED))) {
+         return 0;
+      }
+   }
 
    if (isl_format_supports_sampling(devinfo, plane_format.isl_format)) {
       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
@@ -603,7 +651,7 @@ anv_get_image_format_features(const struct gen_device_info *devinfo,
     * substantially more work and we have enough RGBX formats to handle
     * what most clients will want.
     */
-   if (vk_tiling == VK_IMAGE_TILING_OPTIMAL &&
+   if (!anv_tiling_is_linear(tiling) &&
        base_isl_format != ISL_FORMAT_UNSUPPORTED &&
        !util_is_power_of_two_or_zero(isl_format_layouts[base_isl_format].bpb) &&
        isl_format_rgb_to_rgbx(base_isl_format) == ISL_FORMAT_UNSUPPORTED) {
@@ -651,6 +699,16 @@ anv_get_image_format_features(const struct gen_device_info *devinfo,
       flags &= ~disallowed_ycbcr_image_features;
    }
 
+   if (tiling.vk == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
+       isl_drm_modifier_has_aux(tiling.drm_format_mod)) {
+      /* Defensively reject DISJOINT because the placement of the aux surface
+       * might be constrained by hardware. For example, on gen9 the display
+       * engine requires the CCS, if it exists, to reside at a higher physical
+       * address than the primary surface.
+       */
+      flags &= ~VK_FORMAT_FEATURE_DISJOINT_BIT;
+   }
+
    return flags;
 }
 
@@ -695,46 +753,109 @@ get_buffer_format_features(const struct gen_device_info *devinfo,
 }
 
 static void
-get_wsi_format_modifier_properties_list(const struct anv_physical_device *physical_device,
+get_drm_format_modifier_properties_list(const struct anv_physical_device *physical_device,
                                         VkFormat vk_format,
-                                        struct wsi_format_modifier_properties_list *list)
+                                        VkDrmFormatModifierPropertiesListEXT *list)
 {
+   const struct gen_device_info *devinfo = &physical_device->info;
    const struct anv_format *anv_format = anv_get_format(vk_format);
+   bool has_npot_plane = anv_format_has_npot_plane(anv_format);
 
-   VK_OUTARRAY_MAKE(out, list->modifier_properties, &list->modifier_count);
+   VK_OUTARRAY_MAKE(out, list->pDrmFormatModifierProperties,
+                    &list->drmFormatModifierCount);
 
-   /* This is a simplified list where all the modifiers are available */
-   assert(vk_format == VK_FORMAT_B8G8R8_SRGB ||
-          vk_format == VK_FORMAT_B8G8R8_UNORM ||
-          vk_format == VK_FORMAT_B8G8R8A8_SRGB ||
-          vk_format == VK_FORMAT_B8G8R8A8_UNORM);
-
-   uint64_t modifiers[] = {
+   const uint64_t mods[] = {
       DRM_FORMAT_MOD_LINEAR,
       I915_FORMAT_MOD_X_TILED,
       I915_FORMAT_MOD_Y_TILED,
       I915_FORMAT_MOD_Y_TILED_CCS,
    };
 
-   for (uint32_t i = 0; i < ARRAY_SIZE(modifiers); i++) {
+   for (uint32_t i = 0; i < ARRAY_SIZE(mods); i++) {
+      uint64_t mod = mods[i];
+
       const struct isl_drm_modifier_info *mod_info =
-         isl_drm_modifier_get_info(modifiers[i]);
+         isl_drm_modifier_get_info(mod);
+
+      /* Tiled formats must be power-of-two because we implement transfers
+       * with the render pipeline.
+       *
+       * Maybe we could support tiled non-power-of-two formats if we limited
+       * drmFormatModifierTilingFeatures to VK_FORMAT_FEATURE_SAMPLED_*, but
+       * it's not worth the maintenance and testing burden.
+       */
+      if (has_npot_plane && mod != DRM_FORMAT_MOD_LINEAR )
+         continue;
 
       if (mod_info->aux_usage == ISL_AUX_USAGE_CCS_E &&
           !isl_format_supports_ccs_e(&physical_device->info,
                                      anv_format->planes[0].isl_format))
          continue;
 
+      VkFormatFeatureFlags format_features =
+         anv_get_image_format_features(devinfo, vk_format, anv_format,
+                                       anv_tiling_drm(mod));
+      if (!format_features)
+         continue;
+
       vk_outarray_append(&out, mod_props) {
-         mod_props->modifier = modifiers[i];
-         if (isl_drm_modifier_has_aux(modifiers[i]))
-            mod_props->modifier_plane_count = 2;
-         else
-            mod_props->modifier_plane_count = anv_format->n_planes;
+         mod_props->drmFormatModifier = mod;
+         mod_props->drmFormatModifierPlaneCount = anv_format->n_planes;
+         mod_props->drmFormatModifierTilingFeatures = format_features;
+
+         if (mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
+            mod_props->drmFormatModifierPlaneCount += 1;
+         }
       }
    }
 }
 
+static void
+get_wsi_format_modifier_properties_list(const struct anv_physical_device *physical_device,
+                                        VkFormat vk_format,
+                                        struct wsi_format_modifier_properties_list *wsi_list)
+{
+   /* This is a simplified list where all the modifiers are available */
+   assert(vk_format == VK_FORMAT_B8G8R8_SRGB ||
+          vk_format == VK_FORMAT_B8G8R8_UNORM ||
+          vk_format == VK_FORMAT_B8G8R8A8_SRGB ||
+          vk_format == VK_FORMAT_B8G8R8A8_UNORM);
+
+   /* Implement by proxying to VK_EXT_image_drm_format_modifier. */
+   VkDrmFormatModifierPropertiesListEXT drm_list = {
+      .sType = VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT,
+      .drmFormatModifierCount = wsi_list->modifier_count,
+      .pDrmFormatModifierProperties = NULL,
+   };
+
+   if (wsi_list->modifier_properties != NULL &&
+       wsi_list->modifier_count > 0) {
+      /* Allocate temporary VkDrmFormatModifierPropertiesEXT array. */
+      size_t size = sizeof(drm_list.pDrmFormatModifierProperties[0]);
+      if (__builtin_mul_overflow(size, wsi_list->modifier_count, &size))
+         abort();
+      drm_list.pDrmFormatModifierProperties = alloca(size);
+   }
+
+   get_drm_format_modifier_properties_list(physical_device, vk_format,
+                                           &drm_list);
+
+   /* Copy results from drm_list to wsi_list. */
+   if (wsi_list->modifier_properties != NULL) {
+      assert(drm_list.drmFormatModifierCount <= wsi_list->modifier_count);
+
+      for (uint32_t i = 0; i < drm_list.drmFormatModifierCount; ++i) {
+         struct wsi_format_modifier_properties *wsi_props = &wsi_list->modifier_properties[i];
+         VkDrmFormatModifierPropertiesEXT *drm_props = &drm_list.pDrmFormatModifierProperties[i];
+
+         wsi_props->modifier = drm_props->drmFormatModifier;
+         wsi_props->modifier_plane_count = drm_props->drmFormatModifierPlaneCount;
+      }
+   }
+
+   wsi_list->modifier_count = drm_list.drmFormatModifierCount;
+}
+
 void anv_GetPhysicalDeviceFormatProperties(
     VkPhysicalDevice                            physicalDevice,
     VkFormat                                    vk_format,
@@ -747,10 +868,10 @@ void anv_GetPhysicalDeviceFormatProperties(
    *pFormatProperties = (VkFormatProperties) {
       .linearTilingFeatures =
          anv_get_image_format_features(devinfo, vk_format, anv_format,
-                                       VK_IMAGE_TILING_LINEAR),
+                                       anv_tiling_linear()),
       .optimalTilingFeatures =
          anv_get_image_format_features(devinfo, vk_format, anv_format,
-                                       VK_IMAGE_TILING_OPTIMAL),
+                                       anv_tiling_optimal()),
       .bufferFeatures =
          get_buffer_format_features(devinfo, vk_format, anv_format),
    };
@@ -772,6 +893,10 @@ void anv_GetPhysicalDeviceFormatProperties2(
          get_wsi_format_modifier_properties_list(physical_device, format,
                                                  (void *)ext);
          break;
+      case VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT:
+         get_drm_format_modifier_properties_list(physical_device, format,
+                                                 (void *)ext);
+         break;
       default:
          anv_debug_ignored_stype(ext->sType);
          break;
@@ -782,7 +907,8 @@ void anv_GetPhysicalDeviceFormatProperties2(
 static VkResult
 anv_get_image_format_properties(
    struct anv_physical_device *physical_device,
-   const VkPhysicalDeviceImageFormatInfo2 *info,
+   const VkPhysicalDeviceImageFormatInfo2 *base_info,
+   const VkPhysicalDeviceImageDrmFormatModifierInfoEXT *drm_info,
    VkImageFormatProperties *pImageFormatProperties,
    VkSamplerYcbcrConversionImageFormatProperties *pYcbcrImageFormatProperties)
 {
@@ -792,19 +918,32 @@ anv_get_image_format_properties(
    uint32_t maxArraySize;
    VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
    const struct gen_device_info *devinfo = &physical_device->info;
-   const struct anv_format *format = anv_get_format(info->format);
+   const struct anv_format *format = anv_get_format(base_info->format);
+
+   assert((base_info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) ==
+          (drm_info != NULL));
+   assert(!drm_info || drm_info->drmFormatModifier != DRM_FORMAT_MOD_INVALID);
 
    if (format == NULL)
       goto unsupported;
 
-   assert(format->vk_format == info->format);
-   format_feature_flags = anv_get_image_format_features(devinfo, info->format,
-                                                        format, info->tiling);
+   assert(format->vk_format == base_info->format);
 
-   switch (info->type) {
+   struct anv_tiling tiling = {
+      .vk = base_info->tiling,
+      .drm_format_mod = drm_info ?
+         drm_info->drmFormatModifier : DRM_FORMAT_MOD_INVALID,
+   };
+
+   format_feature_flags = anv_get_image_format_features(devinfo, base_info->format,
+                                                        format, tiling);
+
+   switch (base_info->type) {
    default:
       unreachable("bad VkImageType");
    case VK_IMAGE_TYPE_1D:
+      if (base_info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT)
+         goto unsupported;
       maxExtent.width = 16384;
       maxExtent.height = 1;
       maxExtent.depth = 1;
@@ -819,10 +958,18 @@ anv_get_image_format_properties(
       maxExtent.width = 16384;
       maxExtent.height = 16384;
       maxExtent.depth = 1;
-      maxMipLevels = 15; /* log2(maxWidth) + 1 */
-      maxArraySize = 2048;
+
+      if (base_info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
+         maxMipLevels = 1;
+         maxArraySize = 1;
+      } else {
+         maxMipLevels = 15; /* log2(maxWidth) + 1 */
+         maxArraySize = 2048;
+      }
       break;
    case VK_IMAGE_TYPE_3D:
+      if (base_info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT)
+         goto unsupported;
       maxExtent.width = 2048;
       maxExtent.height = 2048;
       maxExtent.depth = 2048;
@@ -837,21 +984,21 @@ anv_get_image_format_properties(
     *       if the Surface Type is SURFTYPE_1D.
     *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
     */
-   if (info->type == VK_IMAGE_TYPE_1D &&
+   if (base_info->type == VK_IMAGE_TYPE_1D &&
        isl_format_is_compressed(format->planes[0].isl_format)) {
        goto unsupported;
    }
 
-   if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
-       info->type == VK_IMAGE_TYPE_2D &&
+   if (base_info->tiling == VK_IMAGE_TILING_OPTIMAL &&
+       base_info->type == VK_IMAGE_TYPE_2D &&
        (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
                                 VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
-       !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
-       !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
+       !(base_info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
+       !(base_info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
    }
 
-   if (info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
+   if (base_info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
                       VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
       /* Accept transfers on anything we can sample from or renderer to. */
       if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
@@ -861,35 +1008,35 @@ anv_get_image_format_properties(
       }
    }
 
-   if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
          goto unsupported;
       }
    }
 
-   if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
          goto unsupported;
       }
    }
 
-   if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
          goto unsupported;
       }
    }
 
-   if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
       if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
          goto unsupported;
       }
    }
 
-   if (info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
       /* Nothing to check. */
    }
 
-   if (info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
+   if (base_info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
       /* Ignore this flag because it was removed from the
        * provisional_I_20150910 header.
        */
@@ -960,7 +1107,7 @@ VkResult anv_GetPhysicalDeviceImageFormatProperties(
       .flags = createFlags,
    };
 
-   return anv_get_image_format_properties(physical_device, &info,
+   return anv_get_image_format_properties(physical_device, &info, NULL,
                                           pImageFormatProperties, NULL);
 }
 
@@ -1011,6 +1158,7 @@ VkResult anv_GetPhysicalDeviceImageFormatProperties2(
 {
    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
    const VkPhysicalDeviceExternalImageFormatInfo *external_info = NULL;
+   const VkPhysicalDeviceImageDrmFormatModifierInfoEXT *drm_info = NULL;
    VkExternalImageFormatProperties *external_props = NULL;
    VkSamplerYcbcrConversionImageFormatProperties *ycbcr_props = NULL;
    struct VkAndroidHardwareBufferUsageANDROID *android_usage = NULL;
@@ -1022,6 +1170,9 @@ VkResult anv_GetPhysicalDeviceImageFormatProperties2(
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO:
          external_info = (const void *) s;
          break;
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT:
+         drm_info = (const void *) s;
+         break;
       case VK_STRUCTURE_TYPE_IMAGE_STENCIL_USAGE_CREATE_INFO_EXT:
          /* Ignore but don't warn */
          break;
@@ -1049,7 +1200,7 @@ VkResult anv_GetPhysicalDeviceImageFormatProperties2(
       }
    }
 
-   result = anv_get_image_format_properties(physical_device, base_info,
+   result = anv_get_image_format_properties(physical_device, base_info, drm_info,
                &base_props->imageFormatProperties, ycbcr_props);
    if (result != VK_SUCCESS)
       goto fail;
@@ -1071,6 +1222,9 @@ VkResult anv_GetPhysicalDeviceImageFormatProperties2(
     *    If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2 will
     *    behave as if VkPhysicalDeviceExternalImageFormatInfo was not
     *    present and VkExternalImageFormatProperties will be ignored.
+    *
+    * FINISHME(VK_EXT_image_drm_format_modifier): Consider impact of
+    * VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT on external handles.
     */
    if (external_info && external_info->handleType != 0) {
       switch (external_info->handleType) {

src/intel/vulkan/anv_image.c

@@ -27,7 +27,6 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include "drm-uapi/drm_fourcc.h"
 
 #include "anv_private.h"
 #include "util/debug.h"
@@ -93,11 +92,10 @@ choose_isl_surf_usage(VkImageCreateFlags vk_create_flags,
 }
 
 static isl_tiling_flags_t
-choose_isl_tiling_flags(const struct anv_image_create_info *anv_info,
+choose_isl_tiling_flags(const struct VkImageCreateInfo *base_info,
                         const struct isl_drm_modifier_info *isl_mod_info,
                         bool legacy_scanout)
 {
-   const VkImageCreateInfo *base_info = anv_info->vk_info;
    isl_tiling_flags_t flags = 0;
 
    switch (base_info->tiling) {
@@ -111,9 +109,6 @@ choose_isl_tiling_flags(const struct anv_image_create_info *anv_info,
       break;
    }
 
-   if (anv_info->isl_tiling_flags)
-      flags &= anv_info->isl_tiling_flags;
-
    if (legacy_scanout)
       flags &= ISL_TILING_LINEAR_BIT | ISL_TILING_X_BIT;
 
@@ -331,7 +326,7 @@ make_surface(const struct anv_device *dev,
    isl_surf_usage_flags_t shadow_usage = 0;
    if (dev->info.gen <= 8 &&
        (image->create_flags & VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT) &&
-       image->tiling == VK_IMAGE_TILING_OPTIMAL) {
+       image->tiling.vk == VK_IMAGE_TILING_OPTIMAL) {
       assert(isl_format_is_compressed(plane_format.isl_format));
       tiling_flags = ISL_TILING_LINEAR_BIT;
       needs_shadow = true;
@@ -576,6 +571,28 @@ anv_image_create(VkDevice _device,
       assert(isl_mod_info);
    }
 
+   const VkImageDrmFormatModifierListCreateInfoEXT *drm_list_info =
+      vk_find_struct_const(pCreateInfo->pNext, IMAGE_DRM_FORMAT_MODIFIER_LIST_CREATE_INFO_EXT);
+   if (drm_list_info) {
+      isl_mod_info = choose_drm_format_mod(&device->instance->physicalDevice,
+                                           drm_list_info->drmFormatModifierCount,
+                                           drm_list_info->pDrmFormatModifiers);
+      assert(isl_mod_info);
+   }
+
+   const VkImageDrmFormatModifierExplicitCreateInfoEXT *drm_explicit_info =
+      vk_find_struct_const(pCreateInfo->pNext, IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT);
+   if (drm_explicit_info) {
+      /* FINISHME(VK_EXT_image_drm_format_modifier) */
+      anv_finishme("VkImageDrmFormatModifierExplicitCreateInfoEXT");
+      abort();
+   }
+
+   if (create_info->drm_format_mod != DRM_FORMAT_MOD_INVALID) {
+      isl_mod_info = isl_drm_modifier_get_info(create_info->drm_format_mod);
+      assert(isl_mod_info);
+   }
+
    anv_assert(pCreateInfo->mipLevels > 0);
    anv_assert(pCreateInfo->arrayLayers > 0);
    anv_assert(pCreateInfo->samples > 0);
@@ -598,11 +615,11 @@ anv_image_create(VkDevice _device,
    image->samples = pCreateInfo->samples;
    image->usage = pCreateInfo->usage;
    image->create_flags = pCreateInfo->flags;
-   image->tiling = pCreateInfo->tiling;
    image->disjoint = pCreateInfo->flags & VK_IMAGE_CREATE_DISJOINT_BIT;
    image->needs_set_tiling = wsi_info && wsi_info->scanout;
-   image->drm_format_mod = isl_mod_info ? isl_mod_info->modifier :
-                                          DRM_FORMAT_MOD_INVALID;
+   image->tiling.vk = pCreateInfo->tiling;
+   image->tiling.drm_format_mod =
+      isl_mod_info ? isl_mod_info->modifier : DRM_FORMAT_MOD_INVALID;
 
    if (image->aspects & VK_IMAGE_ASPECT_STENCIL_BIT) {
       image->stencil_usage = pCreateInfo->usage;
@@ -626,7 +643,7 @@ anv_image_create(VkDevice _device,
    assert(format != NULL);
 
    const isl_tiling_flags_t isl_tiling_flags =
-      choose_isl_tiling_flags(create_info, isl_mod_info,
+      choose_isl_tiling_flags(pCreateInfo, isl_mod_info,
                               image->needs_set_tiling);
 
    image->n_planes = format->n_planes;
@@ -707,9 +724,9 @@ anv_image_from_swapchain(VkDevice device,
    struct wsi_image_create_info local_wsi_info = {
       .sType = VK_STRUCTURE_TYPE_WSI_IMAGE_CREATE_INFO_MESA,
       .modifier_count = 1,
-      .modifiers = &swapchain_image->drm_format_mod,
+      .modifiers = &swapchain_image->tiling.drm_format_mod,
    };
-   if (swapchain_image->drm_format_mod != DRM_FORMAT_MOD_INVALID)
+   if (swapchain_image->tiling.drm_format_mod != DRM_FORMAT_MOD_INVALID)
       __vk_append_struct(&local_create_info, &local_wsi_info);
 
    return anv_image_create(device,
@@ -810,20 +827,20 @@ resolve_ahw_image(struct anv_device *device,
 
    /* Check tiling. */
    int i915_tiling = anv_gem_get_tiling(device, mem->bo->gem_handle);
-   VkImageTiling vk_tiling;
+   struct anv_tiling tiling;
    isl_tiling_flags_t isl_tiling_flags = 0;
 
    switch (i915_tiling) {
    case I915_TILING_NONE:
-      vk_tiling = VK_IMAGE_TILING_LINEAR;
+      tiling = anv_tiling_linear();
       isl_tiling_flags = ISL_TILING_LINEAR_BIT;
       break;
    case I915_TILING_X:
-      vk_tiling = VK_IMAGE_TILING_OPTIMAL;
+      tiling = anv_tiling_optimal();
       isl_tiling_flags = ISL_TILING_X_BIT;
       break;
    case I915_TILING_Y:
-      vk_tiling = VK_IMAGE_TILING_OPTIMAL;
+      tiling = anv_tiling_optimal();
       isl_tiling_flags = ISL_TILING_Y0_BIT;
       break;
    case -1:
@@ -831,15 +848,15 @@ resolve_ahw_image(struct anv_device *device,
       unreachable("Invalid tiling flags.");
    }
 
-   assert(vk_tiling == VK_IMAGE_TILING_LINEAR ||
-          vk_tiling == VK_IMAGE_TILING_OPTIMAL);
+   assert(tiling.vk == VK_IMAGE_TILING_LINEAR ||
+          tiling.vk == VK_IMAGE_TILING_OPTIMAL);
 
    /* Check format. */
    VkFormat vk_format = vk_format_from_android(desc.format, desc.usage);
    enum isl_format isl_fmt = anv_get_isl_format(&device->info,
                                                 vk_format,
                                                 VK_IMAGE_ASPECT_COLOR_BIT,
-                                                vk_tiling);
+                                                tiling);
    assert(isl_fmt != ISL_FORMAT_UNSUPPORTED);
 
    /* Handle RGB(X)->RGBA fallback. */
@@ -976,10 +993,17 @@ void anv_GetImageSubresourceLayout(
 {
    ANV_FROM_HANDLE(anv_image, image, _image);
 
+   if (image->tiling.vk == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
+      /* FINSIHME(VK_EXT_image_drm_format_modifier) */
+      anv_finishme("vkGetImageSubresourceLayout for "
+                   "VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT");
+      abort();
+   }
+
    const struct anv_surface *surface;
    if (subresource->aspectMask == VK_IMAGE_ASPECT_PLANE_1_BIT &&
-       image->drm_format_mod != DRM_FORMAT_MOD_INVALID &&
-       isl_drm_modifier_has_aux(image->drm_format_mod))
+       image->tiling.drm_format_mod != DRM_FORMAT_MOD_INVALID &&
+       isl_drm_modifier_has_aux(image->tiling.drm_format_mod))
       surface = &image->planes[0].aux_surface;
    else
       surface = get_surface(image, subresource->aspectMask);
@@ -1049,7 +1073,7 @@ anv_layout_to_aux_usage(const struct gen_device_info * const devinfo,
       return ISL_AUX_USAGE_NONE;
 
    /* All images that use an auxiliary surface are required to be tiled. */
-   assert(image->tiling == VK_IMAGE_TILING_OPTIMAL);
+   assert(image->tiling.vk == VK_IMAGE_TILING_OPTIMAL);
 
    /* Stencil has no aux */
    assert(aspect != VK_IMAGE_ASPECT_STENCIL_BIT);
@@ -1117,7 +1141,7 @@ anv_layout_to_aux_usage(const struct gen_device_info * const devinfo,
        * the modifier.
        */
       const struct isl_drm_modifier_info *mod_info =
-         isl_drm_modifier_get_info(image->drm_format_mod);
+         isl_drm_modifier_get_info(image->tiling.drm_format_mod);
       return mod_info ? mod_info->aux_usage : ISL_AUX_USAGE_NONE;
    }
 
@@ -1179,7 +1203,7 @@ anv_layout_to_fast_clear_type(const struct gen_device_info * const devinfo,
       return ANV_FAST_CLEAR_NONE;
 
    /* All images that use an auxiliary surface are required to be tiled. */
-   assert(image->tiling == VK_IMAGE_TILING_OPTIMAL);
+   assert(image->tiling.vk == VK_IMAGE_TILING_OPTIMAL);
 
    /* Stencil has no aux */
    assert(aspect != VK_IMAGE_ASPECT_STENCIL_BIT);
@@ -1214,7 +1238,7 @@ anv_layout_to_fast_clear_type(const struct gen_device_info * const devinfo,
        * just always return NONE.  One day, this will change.
        */
       const struct isl_drm_modifier_info *mod_info =
-         isl_drm_modifier_get_info(image->drm_format_mod);
+         isl_drm_modifier_get_info(image->tiling.drm_format_mod);
       assert(!mod_info || !mod_info->supports_clear_color);
 #endif
       return ANV_FAST_CLEAR_NONE;
@@ -1765,7 +1789,7 @@ anv_CreateBufferView(VkDevice _device,
 
    view->format = anv_get_isl_format(&device->info, pCreateInfo->format,
                                      VK_IMAGE_ASPECT_COLOR_BIT,
-                                     VK_IMAGE_TILING_LINEAR);
+                                     anv_tiling_linear());
    const uint32_t format_bs = isl_format_get_layout(view->format)->bpb / 8;
    view->range = anv_buffer_get_range(buffer, pCreateInfo->offset,
                                               pCreateInfo->range);

src/intel/vulkan/anv_intel.c

@@ -51,7 +51,7 @@ VkResult anv_CreateDmaBufImageINTEL(
 
    result = anv_image_create(_device,
       &(struct anv_image_create_info) {
-         .isl_tiling_flags = ISL_TILING_X_BIT,
+         .drm_format_mod = I915_FORMAT_MOD_X_TILED,
          .stride = pCreateInfo->strideInBytes,
          .vk_info = &(VkImageCreateInfo) {
             .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
@@ -61,7 +61,6 @@ VkResult anv_CreateDmaBufImageINTEL(
             .mipLevels = 1,
             .arrayLayers = 1,
             .samples = 1,
-            /* FIXME: Need a way to use X tiling to allow scanout */
             .tiling = VK_IMAGE_TILING_OPTIMAL,
             .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
             .flags = 0,

src/intel/vulkan/anv_private.h

@@ -43,6 +43,7 @@
 #define VG(x)
 #endif
 
+#include "drm-uapi/drm_fourcc.h"
 #include "common/gen_clflush.h"
 #include "common/gen_decoder.h"
 #include "common/gen_gem.h"
@@ -2912,6 +2913,54 @@ anv_plane_to_aspect(VkImageAspectFlags image_aspects,
 #define anv_foreach_image_aspect_bit(b, image, aspects) \
    for_each_bit(b, anv_image_expand_aspects(image, aspects))
 
+
+/**
+ * TODO(chadv-drm): Explain legal values.
+ */
+struct anv_tiling {
+   VkImageTiling vk;
+   uint64_t drm_format_mod;
+};
+
+/** Return the equivalent of VK_IMAGE_TILING_LINEAR. */
+static inline struct anv_tiling
+anv_tiling_linear(void) {
+   return (struct anv_tiling) {
+      .vk = VK_IMAGE_TILING_LINEAR,
+      .drm_format_mod = DRM_FORMAT_MOD_INVALID,
+   };
+}
+
+/** Return the equivalent of VK_IMAGE_TILING_OPTIMAL. */
+static inline struct anv_tiling
+anv_tiling_optimal(void) {
+   return (struct anv_tiling) {
+      .vk = VK_IMAGE_TILING_OPTIMAL,
+      .drm_format_mod = DRM_FORMAT_MOD_INVALID,
+   };
+}
+
+/** Return tiling with VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT. */
+static inline struct anv_tiling
+anv_tiling_drm(uint64_t drm_format_mod) {
+   return (struct anv_tiling) {
+      .vk = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
+      .drm_format_mod = drm_format_mod,
+   };
+}
+
+static inline bool
+anv_tiling_is_linear(struct anv_tiling tiling) {
+   if (tiling.vk == VK_IMAGE_TILING_LINEAR)
+      return true;
+
+   if (tiling.vk == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
+       tiling.drm_format_mod == DRM_FORMAT_MOD_LINEAR)
+      return true;
+
+   return false;
+}
+
 const struct anv_format *
 anv_get_format(VkFormat format);
 
@@ -2925,11 +2974,11 @@ anv_get_format_planes(VkFormat vk_format)
 
 struct anv_format_plane
 anv_get_format_plane(const struct gen_device_info *devinfo, VkFormat vk_format,
-                     VkImageAspectFlagBits aspect, VkImageTiling tiling);
+                     VkImageAspectFlagBits aspect, struct anv_tiling tiling);
 
 static inline enum isl_format
 anv_get_isl_format(const struct gen_device_info *devinfo, VkFormat vk_format,
-                   VkImageAspectFlags aspect, VkImageTiling tiling)
+                   VkImageAspectFlags aspect, struct anv_tiling tiling)
 {
    return anv_get_format_plane(devinfo, vk_format, aspect, tiling).isl_format;
 }
@@ -2982,7 +3031,7 @@ struct anv_image {
    VkImageUsageFlags usage; /**< VkImageCreateInfo::usage. */
    VkImageUsageFlags stencil_usage;
    VkImageCreateFlags create_flags; /* Flags used when creating image. */
-   VkImageTiling tiling; /** VkImageCreateInfo::tiling */
+   struct anv_tiling tiling;
 
    /** True if this is needs to be bound to an appropriately tiled BO.
     *
@@ -2993,12 +3042,6 @@ struct anv_image {
     */
    bool needs_set_tiling;
 
-   /**
-    * Must be DRM_FORMAT_MOD_INVALID unless tiling is
-    * VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT.
-    */
-   uint64_t drm_format_mod;
-
    VkDeviceSize size;
    uint32_t alignment;
 
@@ -3405,8 +3448,8 @@ void anv_image_fill_surface_state(struct anv_device *device,
 struct anv_image_create_info {
    const VkImageCreateInfo *vk_info;
 
-   /** An opt-in bitmask which filters an ISL-mapping of the Vulkan tiling. */
-   isl_tiling_flags_t isl_tiling_flags;
+   /** Force a specific tiling unless DRM_FORMAT_MOD_INVALID. */
+   uint64_t drm_format_mod;
 
    /** These flags will be added to any derived from VkImageCreateInfo. */
    isl_surf_usage_flags_t isl_extra_usage_flags;
@@ -3463,7 +3506,7 @@ VkFormatFeatureFlags
 anv_get_image_format_features(const struct gen_device_info *devinfo,
                               VkFormat vk_format,
                               const struct anv_format *anv_format,
-                              VkImageTiling vk_tiling);
+                              struct anv_tiling tiling);
 
 void anv_fill_buffer_surface_state(struct anv_device *device,
                                    struct anv_state state,

src/intel/vulkan/anv_wsi.c

@@ -37,7 +37,7 @@ static uint64_t
 anv_wsi_image_get_modifier(VkImage _image)
 {
    ANV_FROM_HANDLE(anv_image, image, _image);
-   return image->drm_format_mod;
+   return image->tiling.drm_format_mod;
 }
 
 VkResult

src/intel/vulkan/genX_cmd_buffer.c

@@ -1003,7 +1003,7 @@ transition_color_buffer(struct anv_cmd_buffer *cmd_buffer,
    if (base_layer >= anv_image_aux_layers(image, aspect, base_level))
       return;
 
-   assert(image->tiling == VK_IMAGE_TILING_OPTIMAL);
+   assert(image->tiling.vk == VK_IMAGE_TILING_OPTIMAL);
 
    if (initial_layout == VK_IMAGE_LAYOUT_UNDEFINED ||
        initial_layout == VK_IMAGE_LAYOUT_PREINITIALIZED) {

src/intel/vulkan/genX_pipeline.c

@@ -150,7 +150,7 @@ emit_vertex_input(struct anv_pipeline *pipeline,
       enum isl_format format = anv_get_isl_format(&pipeline->device->info,
                                                   desc->format,
                                                   VK_IMAGE_ASPECT_COLOR_BIT,
-                                                  VK_IMAGE_TILING_LINEAR);
+                                                  anv_tiling_linear());
 
       assert(desc->binding < MAX_VBS);
 
@@ -604,7 +604,7 @@ emit_rs_state(struct anv_pipeline *pipeline,
          enum isl_format isl_format =
             anv_get_isl_format(&pipeline->device->info, vk_format,
                                VK_IMAGE_ASPECT_DEPTH_BIT,
-                               VK_IMAGE_TILING_OPTIMAL);
+                               anv_tiling_optimal());
          sf.DepthBufferSurfaceFormat =
             isl_format_get_depth_format(isl_format, false);
       }