Move the intel vulkan driver to src/intel/vulkan

1 files changed, 911 insertions, 0 deletions

diff --git a/src/intel/vulkan/anv_image.c b/src/intel/vulkan/anv_image.c
new file mode 100644
index 00000000000..0a412a3f8c6
--- /dev/null
+++ b/src/intel/vulkan/anv_image.c
@@ -0,0 +1,911 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "anv_private.h"
+
+/**
+ * Exactly one bit must be set in \a aspect.
+ */
+static isl_surf_usage_flags_t
+choose_isl_surf_usage(VkImageUsageFlags vk_usage,
+                      VkImageAspectFlags aspect)
+{
+   isl_surf_usage_flags_t isl_usage = 0;
+
+   /* FINISHME: Support aux surfaces */
+   isl_usage |= ISL_SURF_USAGE_DISABLE_AUX_BIT;
+
+   if (vk_usage & VK_IMAGE_USAGE_SAMPLED_BIT)
+      isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
+
+   if (vk_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT)
+      isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
+
+   if (vk_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
+      isl_usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
+
+   if (vk_usage & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT)
+      isl_usage |= ISL_SURF_USAGE_CUBE_BIT;
+
+   if (vk_usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
+      switch (aspect) {
+      default:
+         unreachable("bad VkImageAspect");
+      case VK_IMAGE_ASPECT_DEPTH_BIT:
+         isl_usage |= ISL_SURF_USAGE_DEPTH_BIT;
+         break;
+      case VK_IMAGE_ASPECT_STENCIL_BIT:
+         isl_usage |= ISL_SURF_USAGE_STENCIL_BIT;
+         break;
+      }
+   }
+
+   if (vk_usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
+      /* Meta implements transfers by sampling from the source image. */
+      isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
+   }
+
+   if (vk_usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
+      /* Meta implements transfers by rendering into the destination image. */
+      isl_usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
+   }
+
+   return isl_usage;
+}
+
+/**
+ * Exactly one bit must be set in \a aspect.
+ */
+static struct anv_surface *
+get_surface(struct anv_image *image, VkImageAspectFlags aspect)
+{
+   switch (aspect) {
+   default:
+      unreachable("bad VkImageAspect");
+   case VK_IMAGE_ASPECT_COLOR_BIT:
+      return &image->color_surface;
+   case VK_IMAGE_ASPECT_DEPTH_BIT:
+      return &image->depth_surface;
+   case VK_IMAGE_ASPECT_STENCIL_BIT:
+      return &image->stencil_surface;
+   }
+}
+
+/**
+ * Initialize the anv_image::*_surface selected by \a aspect. Then update the
+ * image's memory requirements (that is, the image's size and alignment).
+ *
+ * Exactly one bit must be set in \a aspect.
+ */
+static VkResult
+make_surface(const struct anv_device *dev,
+             struct anv_image *image,
+             const struct anv_image_create_info *anv_info,
+             VkImageAspectFlags aspect)
+{
+   const VkImageCreateInfo *vk_info = anv_info->vk_info;
+   bool ok UNUSED;
+
+   static const enum isl_surf_dim vk_to_isl_surf_dim[] = {
+      [VK_IMAGE_TYPE_1D] = ISL_SURF_DIM_1D,
+      [VK_IMAGE_TYPE_2D] = ISL_SURF_DIM_2D,
+      [VK_IMAGE_TYPE_3D] = ISL_SURF_DIM_3D,
+   };
+
+   isl_tiling_flags_t tiling_flags = anv_info->isl_tiling_flags;
+   if (vk_info->tiling == VK_IMAGE_TILING_LINEAR)
+      tiling_flags &= ISL_TILING_LINEAR_BIT;
+
+   struct anv_surface *anv_surf = get_surface(image, aspect);
+
+   VkExtent3D extent;
+   switch (vk_info->imageType) {
+   case VK_IMAGE_TYPE_1D:
+      extent = (VkExtent3D) { vk_info->extent.width, 1, 1 };
+      break;
+   case VK_IMAGE_TYPE_2D:
+      extent = (VkExtent3D) { vk_info->extent.width, vk_info->extent.height, 1 };
+      break;
+   case VK_IMAGE_TYPE_3D:
+      extent = vk_info->extent;
+      break;
+   default:
+      unreachable("invalid image type");
+   }
+
+   image->extent = extent;
+
+   ok = isl_surf_init(&dev->isl_dev, &anv_surf->isl,
+      .dim = vk_to_isl_surf_dim[vk_info->imageType],
+      .format = anv_get_isl_format(vk_info->format, aspect,
+                                   vk_info->tiling, NULL),
+      .width = extent.width,
+      .height = extent.height,
+      .depth = extent.depth,
+      .levels = vk_info->mipLevels,
+      .array_len = vk_info->arrayLayers,
+      .samples = vk_info->samples,
+      .min_alignment = 0,
+      .min_pitch = 0,
+      .usage = choose_isl_surf_usage(image->usage, aspect),
+      .tiling_flags = tiling_flags);
+
+   /* isl_surf_init() will fail only if provided invalid input. Invalid input
+    * is illegal in Vulkan.
+    */
+   assert(ok);
+
+   anv_surf->offset = align_u32(image->size, anv_surf->isl.alignment);
+   image->size = anv_surf->offset + anv_surf->isl.size;
+   image->alignment = MAX(image->alignment, anv_surf->isl.alignment);
+
+   return VK_SUCCESS;
+}
+
+/**
+ * Parameter @a format is required and overrides VkImageCreateInfo::format.
+ */
+static VkImageUsageFlags
+anv_image_get_full_usage(const VkImageCreateInfo *info,
+                         const struct anv_format *format)
+{
+   VkImageUsageFlags usage = info->usage;
+
+   if (info->samples > 1 &&
+       (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
+      /* Meta will resolve the image by binding it as a texture. */
+      usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
+   }
+
+   if (usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
+      /* Meta will transfer from the image by binding it as a texture. */
+      usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
+   }
+
+   if (usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
+      /* For non-clear transfer operations, meta will transfer to the image by
+       * binding it as a color attachment, even if the image format is not
+       * a color format.
+       */
+      usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+
+      if (anv_format_is_depth_or_stencil(format)) {
+         /* vkCmdClearDepthStencilImage() only requires that
+          * VK_IMAGE_USAGE_TRANSFER_SRC_BIT be set. In particular, it does
+          * not require VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT. Meta
+          * clears the image, though, by binding it as a depthstencil
+          * attachment.
+          */
+         usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
+      }
+   }
+
+   return usage;
+}
+
+VkResult
+anv_image_create(VkDevice _device,
+                 const struct anv_image_create_info *create_info,
+                 const VkAllocationCallbacks* alloc,
+                 VkImage *pImage)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
+   struct anv_image *image = NULL;
+   const struct anv_format *format = anv_format_for_vk_format(pCreateInfo->format);
+   VkResult r;
+
+   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
+
+   anv_assert(pCreateInfo->mipLevels > 0);
+   anv_assert(pCreateInfo->arrayLayers > 0);
+   anv_assert(pCreateInfo->samples > 0);
+   anv_assert(pCreateInfo->extent.width > 0);
+   anv_assert(pCreateInfo->extent.height > 0);
+   anv_assert(pCreateInfo->extent.depth > 0);
+
+   image = anv_alloc2(&device->alloc, alloc, sizeof(*image), 8,
+                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (!image)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   memset(image, 0, sizeof(*image));
+   image->type = pCreateInfo->imageType;
+   image->extent = pCreateInfo->extent;
+   image->vk_format = pCreateInfo->format;
+   image->format = format;
+   image->levels = pCreateInfo->mipLevels;
+   image->array_size = pCreateInfo->arrayLayers;
+   image->samples = pCreateInfo->samples;
+   image->usage = anv_image_get_full_usage(pCreateInfo, format);
+   image->tiling = pCreateInfo->tiling;
+
+   if (likely(anv_format_is_color(format))) {
+      r = make_surface(device, image, create_info,
+                       VK_IMAGE_ASPECT_COLOR_BIT);
+      if (r != VK_SUCCESS)
+         goto fail;
+   } else {
+      if (image->format->has_depth) {
+         r = make_surface(device, image, create_info,
+                          VK_IMAGE_ASPECT_DEPTH_BIT);
+         if (r != VK_SUCCESS)
+            goto fail;
+      }
+
+      if (image->format->has_stencil) {
+         r = make_surface(device, image, create_info,
+                          VK_IMAGE_ASPECT_STENCIL_BIT);
+         if (r != VK_SUCCESS)
+            goto fail;
+      }
+   }
+
+   *pImage = anv_image_to_handle(image);
+
+   return VK_SUCCESS;
+
+fail:
+   if (image)
+      anv_free2(&device->alloc, alloc, image);
+
+   return r;
+}
+
+VkResult
+anv_CreateImage(VkDevice device,
+                const VkImageCreateInfo *pCreateInfo,
+                const VkAllocationCallbacks *pAllocator,
+                VkImage *pImage)
+{
+   return anv_image_create(device,
+      &(struct anv_image_create_info) {
+         .vk_info = pCreateInfo,
+         .isl_tiling_flags = ISL_TILING_ANY_MASK,
+      },
+      pAllocator,
+      pImage);
+}
+
+void
+anv_DestroyImage(VkDevice _device, VkImage _image,
+                 const VkAllocationCallbacks *pAllocator)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+
+   anv_free2(&device->alloc, pAllocator, anv_image_from_handle(_image));
+}
+
+static void
+anv_surface_get_subresource_layout(struct anv_image *image,
+                                   struct anv_surface *surface,
+                                   const VkImageSubresource *subresource,
+                                   VkSubresourceLayout *layout)
+{
+   /* If we are on a non-zero mip level or array slice, we need to
+    * calculate a real offset.
+    */
+   anv_assert(subresource->mipLevel == 0);
+   anv_assert(subresource->arrayLayer == 0);
+
+   layout->offset = surface->offset;
+   layout->rowPitch = surface->isl.row_pitch;
+   layout->depthPitch = isl_surf_get_array_pitch(&surface->isl);
+   layout->arrayPitch = isl_surf_get_array_pitch(&surface->isl);
+   layout->size = surface->isl.size;
+}
+
+void anv_GetImageSubresourceLayout(
+    VkDevice                                    device,
+    VkImage                                     _image,
+    const VkImageSubresource*                   pSubresource,
+    VkSubresourceLayout*                        pLayout)
+{
+   ANV_FROM_HANDLE(anv_image, image, _image);
+
+   assert(__builtin_popcount(pSubresource->aspectMask) == 1);
+
+   switch (pSubresource->aspectMask) {
+   case VK_IMAGE_ASPECT_COLOR_BIT:
+      anv_surface_get_subresource_layout(image, &image->color_surface,
+                                         pSubresource, pLayout);
+      break;
+   case VK_IMAGE_ASPECT_DEPTH_BIT:
+      anv_surface_get_subresource_layout(image, &image->depth_surface,
+                                         pSubresource, pLayout);
+      break;
+   case VK_IMAGE_ASPECT_STENCIL_BIT:
+      anv_surface_get_subresource_layout(image, &image->stencil_surface,
+                                         pSubresource, pLayout);
+      break;
+   default:
+      assert(!"Invalid image aspect");
+   }
+}
+
+VkResult
+anv_validate_CreateImageView(VkDevice _device,
+                             const VkImageViewCreateInfo *pCreateInfo,
+                             const VkAllocationCallbacks *pAllocator,
+                             VkImageView *pView)
+{
+   ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
+   const VkImageSubresourceRange *subresource;
+   const struct anv_format *view_format_info;
+
+   /* Validate structure type before dereferencing it. */
+   assert(pCreateInfo);
+   assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
+   subresource = &pCreateInfo->subresourceRange;
+
+   /* Validate viewType is in range before using it. */
+   assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
+   assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
+
+   /* Validate format is in range before using it. */
+   assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
+   assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
+   view_format_info = anv_format_for_vk_format(pCreateInfo->format);
+
+   /* Validate channel swizzles. */
+   assert(pCreateInfo->components.r >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
+   assert(pCreateInfo->components.r <= VK_COMPONENT_SWIZZLE_END_RANGE);
+   assert(pCreateInfo->components.g >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
+   assert(pCreateInfo->components.g <= VK_COMPONENT_SWIZZLE_END_RANGE);
+   assert(pCreateInfo->components.b >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
+   assert(pCreateInfo->components.b <= VK_COMPONENT_SWIZZLE_END_RANGE);
+   assert(pCreateInfo->components.a >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
+   assert(pCreateInfo->components.a <= VK_COMPONENT_SWIZZLE_END_RANGE);
+
+   /* Validate subresource. */
+   assert(subresource->aspectMask != 0);
+   assert(subresource->levelCount > 0);
+   assert(subresource->layerCount > 0);
+   assert(subresource->baseMipLevel < image->levels);
+   assert(subresource->baseMipLevel + subresource->levelCount <= image->levels);
+   assert(subresource->baseArrayLayer < image->array_size);
+   assert(subresource->baseArrayLayer + subresource->layerCount <= image->array_size);
+   assert(pView);
+
+   const VkImageAspectFlags ds_flags = VK_IMAGE_ASPECT_DEPTH_BIT
+                                     | VK_IMAGE_ASPECT_STENCIL_BIT;
+
+   /* Validate format. */
+   if (subresource->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) {
+      assert(subresource->aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
+      assert(!image->format->has_depth);
+      assert(!image->format->has_stencil);
+      assert(!view_format_info->has_depth);
+      assert(!view_format_info->has_stencil);
+      assert(view_format_info->isl_layout->bs ==
+             image->format->isl_layout->bs);
+   } else if (subresource->aspectMask & ds_flags) {
+      assert((subresource->aspectMask & ~ds_flags) == 0);
+
+      if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
+         assert(image->format->has_depth);
+         assert(view_format_info->has_depth);
+         assert(view_format_info->isl_layout->bs ==
+                image->format->isl_layout->bs);
+      }
+
+      if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
+         /* FINISHME: Is it legal to have an R8 view of S8? */
+         assert(image->format->has_stencil);
+         assert(view_format_info->has_stencil);
+      }
+   } else {
+      assert(!"bad VkImageSubresourceRange::aspectFlags");
+   }
+
+   return anv_CreateImageView(_device, pCreateInfo, pAllocator, pView);
+}
+
+void
+anv_fill_image_surface_state(struct anv_device *device, struct anv_state state,
+                             struct anv_image_view *iview,
+                             const VkImageViewCreateInfo *pCreateInfo,
+                             VkImageUsageFlagBits usage)
+{
+   switch (device->info.gen) {
+   case 7:
+      if (device->info.is_haswell)
+         gen75_fill_image_surface_state(device, state.map, iview,
+                                        pCreateInfo, usage);
+      else
+         gen7_fill_image_surface_state(device, state.map, iview,
+                                       pCreateInfo, usage);
+      break;
+   case 8:
+      gen8_fill_image_surface_state(device, state.map, iview,
+                                    pCreateInfo, usage);
+      break;
+   case 9:
+      gen9_fill_image_surface_state(device, state.map, iview,
+                                    pCreateInfo, usage);
+      break;
+   default:
+      unreachable("unsupported gen\n");
+   }
+
+   if (!device->info.has_llc)
+      anv_state_clflush(state);
+}
+
+static struct anv_state
+alloc_surface_state(struct anv_device *device,
+                    struct anv_cmd_buffer *cmd_buffer)
+{
+      if (cmd_buffer) {
+         return anv_cmd_buffer_alloc_surface_state(cmd_buffer);
+      } else {
+         return anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
+      }
+}
+
+static bool
+has_matching_storage_typed_format(const struct anv_device *device,
+                                  enum isl_format format)
+{
+   return (isl_format_get_layout(format)->bs <= 4 ||
+           (isl_format_get_layout(format)->bs <= 8 &&
+            (device->info.gen >= 8 || device->info.is_haswell)) ||
+           device->info.gen >= 9);
+}
+
+static VkComponentSwizzle
+remap_swizzle(VkComponentSwizzle swizzle, VkComponentSwizzle component,
+              struct anv_format_swizzle format_swizzle)
+{
+   if (swizzle == VK_COMPONENT_SWIZZLE_IDENTITY)
+      swizzle = component;
+
+   switch (swizzle) {
+   case VK_COMPONENT_SWIZZLE_ZERO:
+      return VK_COMPONENT_SWIZZLE_ZERO;
+   case VK_COMPONENT_SWIZZLE_ONE:
+      return VK_COMPONENT_SWIZZLE_ONE;
+   case VK_COMPONENT_SWIZZLE_R:
+      return VK_COMPONENT_SWIZZLE_R + format_swizzle.r;
+   case VK_COMPONENT_SWIZZLE_G:
+      return VK_COMPONENT_SWIZZLE_R + format_swizzle.g;
+   case VK_COMPONENT_SWIZZLE_B:
+      return VK_COMPONENT_SWIZZLE_R + format_swizzle.b;
+   case VK_COMPONENT_SWIZZLE_A:
+      return VK_COMPONENT_SWIZZLE_R + format_swizzle.a;
+   default:
+      unreachable("Invalid swizzle");
+   }
+}
+
+void
+anv_image_view_init(struct anv_image_view *iview,
+                    struct anv_device *device,
+                    const VkImageViewCreateInfo* pCreateInfo,
+                    struct anv_cmd_buffer *cmd_buffer,
+                    uint32_t offset)
+{
+   ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
+   const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
+   VkImageViewCreateInfo mCreateInfo;
+   memcpy(&mCreateInfo, pCreateInfo, sizeof(VkImageViewCreateInfo));
+
+   assert(range->layerCount > 0);
+   assert(range->baseMipLevel < image->levels);
+   assert(image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT |
+                          VK_IMAGE_USAGE_STORAGE_BIT |
+                          VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
+                          VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT));
+
+   switch (image->type) {
+   default:
+      unreachable("bad VkImageType");
+   case VK_IMAGE_TYPE_1D:
+   case VK_IMAGE_TYPE_2D:
+      assert(range->baseArrayLayer + range->layerCount - 1 <= image->array_size);
+      break;
+   case VK_IMAGE_TYPE_3D:
+      assert(range->baseArrayLayer + range->layerCount - 1
+             <= anv_minify(image->extent.depth, range->baseMipLevel));
+      break;
+   }
+
+   struct anv_surface *surface =
+      anv_image_get_surface_for_aspect_mask(image, range->aspectMask);
+
+   iview->image = image;
+   iview->bo = image->bo;
+   iview->offset = image->offset + surface->offset + offset;
+
+   iview->aspect_mask = pCreateInfo->subresourceRange.aspectMask;
+   iview->vk_format = pCreateInfo->format;
+
+   struct anv_format_swizzle swizzle;
+   iview->format = anv_get_isl_format(pCreateInfo->format, iview->aspect_mask,
+                                      image->tiling, &swizzle);
+   iview->swizzle.r = remap_swizzle(pCreateInfo->components.r,
+                                    VK_COMPONENT_SWIZZLE_R, swizzle);
+   iview->swizzle.g = remap_swizzle(pCreateInfo->components.g,
+                                    VK_COMPONENT_SWIZZLE_G, swizzle);
+   iview->swizzle.b = remap_swizzle(pCreateInfo->components.b,
+                                    VK_COMPONENT_SWIZZLE_B, swizzle);
+   iview->swizzle.a = remap_swizzle(pCreateInfo->components.a,
+                                    VK_COMPONENT_SWIZZLE_A, swizzle);
+
+   iview->base_layer = range->baseArrayLayer;
+   iview->base_mip = range->baseMipLevel;
+
+   if (!isl_format_is_compressed(iview->format) &&
+       isl_format_is_compressed(image->format->isl_format)) {
+      /* Scale the ImageView extent by the backing Image. This is used
+       * internally when an uncompressed ImageView is created on a
+       * compressed Image. The ImageView can therefore be used for copying
+       * data from a source Image to a destination Image.
+       */
+      const struct isl_format_layout * isl_layout = image->format->isl_layout;
+
+      iview->level_0_extent.depth  = anv_minify(image->extent.depth, range->baseMipLevel);
+      iview->level_0_extent.depth  = DIV_ROUND_UP(iview->level_0_extent.depth, isl_layout->bd);
+
+      iview->level_0_extent.height = isl_surf_get_array_pitch_el_rows(&surface->isl) * image->array_size;
+      iview->level_0_extent.width  = isl_surf_get_row_pitch_el(&surface->isl);
+      mCreateInfo.subresourceRange.baseMipLevel = 0;
+      mCreateInfo.subresourceRange.baseArrayLayer = 0;
+   } else {
+      iview->level_0_extent.width  = image->extent.width;
+      iview->level_0_extent.height = image->extent.height;
+      iview->level_0_extent.depth  = image->extent.depth;
+   }
+
+   iview->extent = (VkExtent3D) {
+      .width  = anv_minify(iview->level_0_extent.width , range->baseMipLevel),
+      .height = anv_minify(iview->level_0_extent.height, range->baseMipLevel),
+      .depth  = anv_minify(iview->level_0_extent.depth , range->baseMipLevel),
+   };
+
+   if (image->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
+      iview->sampler_surface_state = alloc_surface_state(device, cmd_buffer);
+
+      anv_fill_image_surface_state(device, iview->sampler_surface_state,
+                                   iview, &mCreateInfo,
+                                   VK_IMAGE_USAGE_SAMPLED_BIT);
+   } else {
+      iview->sampler_surface_state.alloc_size = 0;
+   }
+
+   if (image->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
+      iview->color_rt_surface_state = alloc_surface_state(device, cmd_buffer);
+
+      anv_fill_image_surface_state(device, iview->color_rt_surface_state,
+                                   iview, &mCreateInfo,
+                                   VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
+   } else {
+      iview->color_rt_surface_state.alloc_size = 0;
+   }
+
+   if (image->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
+      iview->storage_surface_state = alloc_surface_state(device, cmd_buffer);
+
+      if (has_matching_storage_typed_format(device, iview->format))
+         anv_fill_image_surface_state(device, iview->storage_surface_state,
+                                      iview, &mCreateInfo,
+                                      VK_IMAGE_USAGE_STORAGE_BIT);
+      else
+         anv_fill_buffer_surface_state(device, iview->storage_surface_state,
+                                       ISL_FORMAT_RAW,
+                                       iview->offset,
+                                       iview->bo->size - iview->offset, 1);
+
+   } else {
+      iview->storage_surface_state.alloc_size = 0;
+   }
+}
+
+VkResult
+anv_CreateImageView(VkDevice _device,
+                    const VkImageViewCreateInfo *pCreateInfo,
+                    const VkAllocationCallbacks *pAllocator,
+                    VkImageView *pView)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   struct anv_image_view *view;
+
+   view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
+                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (view == NULL)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   anv_image_view_init(view, device, pCreateInfo, NULL, 0);
+
+   *pView = anv_image_view_to_handle(view);
+
+   return VK_SUCCESS;
+}
+
+void
+anv_DestroyImageView(VkDevice _device, VkImageView _iview,
+                     const VkAllocationCallbacks *pAllocator)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   ANV_FROM_HANDLE(anv_image_view, iview, _iview);
+
+   if (iview->color_rt_surface_state.alloc_size > 0) {
+      anv_state_pool_free(&device->surface_state_pool,
+                          iview->color_rt_surface_state);
+   }
+
+   if (iview->sampler_surface_state.alloc_size > 0) {
+      anv_state_pool_free(&device->surface_state_pool,
+                          iview->sampler_surface_state);
+   }
+
+   if (iview->storage_surface_state.alloc_size > 0) {
+      anv_state_pool_free(&device->surface_state_pool,
+                          iview->storage_surface_state);
+   }
+
+   anv_free2(&device->alloc, pAllocator, iview);
+}
+
+VkResult
+anv_CreateBufferView(VkDevice _device,
+                     const VkBufferViewCreateInfo *pCreateInfo,
+                     const VkAllocationCallbacks *pAllocator,
+                     VkBufferView *pView)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   ANV_FROM_HANDLE(anv_buffer, buffer, pCreateInfo->buffer);
+   struct anv_buffer_view *view;
+
+   view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
+                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+   if (!view)
+      return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   const struct anv_format *format =
+      anv_format_for_vk_format(pCreateInfo->format);
+
+   view->format = format->isl_format;
+   view->bo = buffer->bo;
+   view->offset = buffer->offset + pCreateInfo->offset;
+   view->range = pCreateInfo->range == VK_WHOLE_SIZE ?
+                 buffer->size - view->offset : pCreateInfo->range;
+
+   if (buffer->usage & VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT) {
+      view->surface_state =
+         anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
+
+      anv_fill_buffer_surface_state(device, view->surface_state,
+                                    view->format,
+                                    view->offset, view->range,
+                                    format->isl_layout->bs);
+   } else {
+      view->surface_state = (struct anv_state){ 0 };
+   }
+
+   if (buffer->usage & VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT) {
+      view->storage_surface_state =
+         anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
+
+      enum isl_format storage_format =
+         has_matching_storage_typed_format(device, view->format) ?
+         isl_lower_storage_image_format(&device->isl_dev, view->format) :
+         ISL_FORMAT_RAW;
+
+      anv_fill_buffer_surface_state(device, view->storage_surface_state,
+                                    storage_format,
+                                    view->offset, view->range,
+                                    (storage_format == ISL_FORMAT_RAW ? 1 :
+                                     format->isl_layout->bs));
+
+   } else {
+      view->storage_surface_state = (struct anv_state){ 0 };
+   }
+
+   *pView = anv_buffer_view_to_handle(view);
+
+   return VK_SUCCESS;
+}
+
+void
+anv_DestroyBufferView(VkDevice _device, VkBufferView bufferView,
+                      const VkAllocationCallbacks *pAllocator)
+{
+   ANV_FROM_HANDLE(anv_device, device, _device);
+   ANV_FROM_HANDLE(anv_buffer_view, view, bufferView);
+
+   if (view->surface_state.alloc_size > 0)
+      anv_state_pool_free(&device->surface_state_pool,
+                          view->surface_state);
+
+   if (view->storage_surface_state.alloc_size > 0)
+      anv_state_pool_free(&device->surface_state_pool,
+                          view->storage_surface_state);
+
+   anv_free2(&device->alloc, pAllocator, view);
+}
+
+struct anv_surface *
+anv_image_get_surface_for_aspect_mask(struct anv_image *image, VkImageAspectFlags aspect_mask)
+{
+   switch (aspect_mask) {
+   case VK_IMAGE_ASPECT_COLOR_BIT:
+      /* Dragons will eat you.
+       *
+       * Meta attaches all destination surfaces as color render targets. Guess
+       * what surface the Meta Dragons really want.
+       */
+      if (image->format->has_depth && image->format->has_stencil) {
+         return &image->depth_surface;
+      } else if (image->format->has_depth) {
+         return &image->depth_surface;
+      } else if (image->format->has_stencil) {
+         return &image->stencil_surface;
+      } else {
+         return &image->color_surface;
+      }
+      break;
+   case VK_IMAGE_ASPECT_DEPTH_BIT:
+      assert(image->format->has_depth);
+      return &image->depth_surface;
+   case VK_IMAGE_ASPECT_STENCIL_BIT:
+      assert(image->format->has_stencil);
+      return &image->stencil_surface;
+   case VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT:
+      if (image->format->has_depth && image->format->has_stencil) {
+         /* FINISHME: The Vulkan spec (git a511ba2) requires support for
+          * combined depth stencil formats. Specifically, it states:
+          *
+          *    At least one of ename:VK_FORMAT_D24_UNORM_S8_UINT or
+          *    ename:VK_FORMAT_D32_SFLOAT_S8_UINT must be supported.
+          *
+          * Image views with both depth and stencil aspects are only valid for
+          * render target attachments, in which case
+          * cmd_buffer_emit_depth_stencil() will pick out both the depth and
+          * stencil surfaces from the underlying surface.
+          */
+         return &image->depth_surface;
+      } else if (image->format->has_depth) {
+         return &image->depth_surface;
+      } else if (image->format->has_stencil) {
+         return &image->stencil_surface;
+      }
+      /* fallthrough */
+    default:
+       unreachable("image does not have aspect");
+       return NULL;
+   }
+}
+
+static void
+image_param_defaults(struct brw_image_param *param)
+{
+   memset(param, 0, sizeof *param);
+   /* Set the swizzling shifts to all-ones to effectively disable swizzling --
+    * See emit_address_calculation() in brw_fs_surface_builder.cpp for a more
+    * detailed explanation of these parameters.
+    */
+   param->swizzling[0] = 0xff;
+   param->swizzling[1] = 0xff;
+}
+
+void
+anv_image_view_fill_image_param(struct anv_device *device,
+                                struct anv_image_view *view,
+                                struct brw_image_param *param)
+{
+   image_param_defaults(param);
+
+   const struct isl_surf *surf = &view->image->color_surface.isl;
+   const int cpp = isl_format_get_layout(surf->format)->bs;
+   const struct isl_extent3d image_align_sa =
+      isl_surf_get_image_alignment_sa(surf);
+
+   param->size[0] = view->extent.width;
+   param->size[1] = view->extent.height;
+   if (surf->dim == ISL_SURF_DIM_3D) {
+      param->size[2] = view->extent.depth;
+   } else {
+      param->size[2] = surf->logical_level0_px.array_len - view->base_layer;
+   }
+
+   isl_surf_get_image_offset_el(surf, view->base_mip, view->base_layer, 0,
+                                &param->offset[0],  &param->offset[1]);
+
+   param->stride[0] = cpp;
+   param->stride[1] = surf->row_pitch / cpp;
+
+   if (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D) {
+      param->stride[2] = util_align_npot(param->size[0], image_align_sa.w);
+      param->stride[3] = util_align_npot(param->size[1], image_align_sa.h);
+   } else {
+      param->stride[2] = 0;
+      param->stride[3] = isl_surf_get_array_pitch_el_rows(surf);
+   }
+
+   switch (surf->tiling) {
+   case ISL_TILING_LINEAR:
+      /* image_param_defaults is good enough */
+      break;
+
+   case ISL_TILING_X:
+      /* An X tile is a rectangular block of 512x8 bytes. */
+      param->tiling[0] = util_logbase2(512 / cpp);
+      param->tiling[1] = util_logbase2(8);
+
+      if (device->isl_dev.has_bit6_swizzling) {
+         /* Right shifts required to swizzle bits 9 and 10 of the memory
+          * address with bit 6.
+          */
+         param->swizzling[0] = 3;
+         param->swizzling[1] = 4;
+      }
+      break;
+
+   case ISL_TILING_Y0:
+      /* The layout of a Y-tiled surface in memory isn't really fundamentally
+       * different to the layout of an X-tiled surface, we simply pretend that
+       * the surface is broken up in a number of smaller 16Bx32 tiles, each
+       * one arranged in X-major order just like is the case for X-tiling.
+       */
+      param->tiling[0] = util_logbase2(16 / cpp);
+      param->tiling[1] = util_logbase2(32);
+
+      if (device->isl_dev.has_bit6_swizzling) {
+         /* Right shift required to swizzle bit 9 of the memory address with
+          * bit 6.
+          */
+         param->swizzling[0] = 3;
+         param->swizzling[1] = 0xff;
+      }
+      break;
+
+   default:
+      assert(!"Unhandled storage image tiling");
+   }
+
+   /* 3D textures are arranged in 2D in memory with 2^lod slices per row.  The
+    * address calculation algorithm (emit_address_calculation() in
+    * brw_fs_surface_builder.cpp) handles this as a sort of tiling with
+    * modulus equal to the LOD.
+    */
+   param->tiling[2] = (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D ?
+                       view->base_mip : 0);
+}
+
+void
+anv_buffer_view_fill_image_param(struct anv_device *device,
+                                 struct anv_buffer_view *view,
+                                 struct brw_image_param *param)
+{
+   image_param_defaults(param);
+
+   param->stride[0] = isl_format_layouts[view->format].bs;
+   param->size[0] = view->range / param->stride[0];
+}