[Mesa-dev] [PATCH 23/23] anv: Implement VK_ANDROID_native_buffer

Jason Ekstrand jason at jlekstrand.net
Sat Sep 2 16:42:52 UTC 2017


On Sat, Sep 2, 2017 at 1:17 AM, Chad Versace <chadversary at chromium.org>
wrote:

> This implementation is correct (afaict), but takes two shortcuts
> regarding the import/export of Android sync fds.
>
>   Shortcut 1. When Android calls vkAcquireImageANDROID to import a sync
>   fd into a VkSemaphore or VkFence, the driver instead simply blocks on
>   the sync fd, then puts the VkSemaphore or VkFence into the signalled
>   state. Thanks to implicit sync, this produces correct behavior (with
>   extra latency overhead, perhaps) despite its ugliness.
>
>   Shortcut 2. When Android calls vkQueueSignalReleaseImageANDROID to
> export
>   a collection of wait semaphores as a sync fd, the driver instead
>   submits the semaphores to the queue, then returns sync fd -1, which
>   informs the caller that no additional synchronization is needed.
>   Again, thanks to implicit sync, this produces correct behavior (with
>   extra batch submission overhead) despite its ugliness.
>
> I chose to take the shortcuts instead of properly importing/exporting
> the sync fds for two reasons:
>
>   Reason 1. I've already tested this patch with dEQP and with demos
>   apps. It works. I wanted to get the tested patches into the tree now,
>   and polish the implementation afterwards.
>
>   Reason 2. I want to run this on a 3.18 kernel (gasp!). In 3.18, i915
>   supports neither Android's sync_fence, nor upstream's sync_file, nor
>   drm_syncobj. Again, I tested these patches on Android with a 3.18
>   kernel and they work.
>
> I plan to quickly follow-up with patches that remove the shortcuts and
> properly import/export the sync fds.
>

Let's see how review goes but my Saturday morning gut reaction is that I'd
rather we merge the "correct" version upstream directly and you can carry
the implicit sync version as a patch in the ChromeOS tree.  I can probably
be convinced otherwise but that's my reactioin today.

> Non-Testing
> ===========
> I did not test at all using the Android.mk buildsystem. I probably
> broke it. Please test and review that.
>
> Testing
> =======
> I tested with 64-bit ARC++ on a Skylake Chromebook and a 3.18 kernel.
> The following pass:
>
>   a little spinning cube demo APK
>   dEQP-VK.info.*
>   dEQP-VK.api.smoke.*
>   dEQP-VK.api.info.instance.*
>   dEQP-VK.api.info.device.*
>   dEQP-VK.api.wsi.android.*
> ---
>  src/intel/Makefile.sources              |   3 +
>  src/intel/Makefile.vulkan.am            |   4 +
>  src/intel/vulkan/anv_android.c          | 246
> ++++++++++++++++++++++++++++++++
>  src/intel/vulkan/anv_device.c           |  38 ++++-
>  src/intel/vulkan/anv_entrypoints_gen.py |  10 +-
>  src/intel/vulkan/anv_extensions.py      |   1 +
>  src/intel/vulkan/anv_image.c            | 129 +++++++++++++++--
>  src/intel/vulkan/anv_private.h          |   1 +
>  8 files changed, 421 insertions(+), 11 deletions(-)
>  create mode 100644 src/intel/vulkan/anv_android.c
>
> diff --git a/src/intel/Makefile.sources b/src/intel/Makefile.sources
> index f6a69f65455..e4a371cbe3f 100644
> --- a/src/intel/Makefile.sources
> +++ b/src/intel/Makefile.sources
> @@ -228,6 +228,9 @@ VULKAN_FILES := \
>         vulkan/anv_wsi.c \
>         vulkan/vk_format_info.h
>
> +VULKAN_ANDROID_FILES := \
> +       vulkan/anv_android.c
> +
>  VULKAN_WSI_WAYLAND_FILES := \
>         vulkan/anv_wsi_wayland.c
>
> diff --git a/src/intel/Makefile.vulkan.am b/src/intel/Makefile.vulkan.am
> index d1b1132ed2e..bc4b12768ad 100644
> --- a/src/intel/Makefile.vulkan.am
> +++ b/src/intel/Makefile.vulkan.am
> @@ -147,8 +147,12 @@ VULKAN_LIB_DEPS = \
>         -lm
>
>  if HAVE_PLATFORM_ANDROID
> +VULKAN_CPPFLAGS += \
> +       -I$(top_srcdir)/include/android \
> +       $(ANDROID_CPPFLAGS)
>  VULKAN_CFLAGS += $(ANDROID_CFLAGS)
>  VULKAN_LIB_DEPS += $(ANDROID_LIBS)
> +VULKAN_SOURCES += $(VULKAN_ANDROID_FILES)
>  endif
>
>  if HAVE_PLATFORM_X11
> diff --git a/src/intel/vulkan/anv_android.c b/src/intel/vulkan/anv_
> android.c
> new file mode 100644
> index 00000000000..24274510cd6
> --- /dev/null
> +++ b/src/intel/vulkan/anv_android.c
> @@ -0,0 +1,246 @@
> +/*
> + * Copyright 2017 Google
> + *
> + * 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 <hardware/gralloc.h>
> +#include <hardware/hardware.h>
> +#include <hardware/hwvulkan.h>
> +#include <vulkan/vk_android_native_buffer.h>
> +#include <vulkan/vk_icd.h>
> +#include <sync/sync.h>
> +
> +#include "anv_private.h"
> +
> +
> +#include "anv_private.h"
> +
> +static int anv_hal_open(const struct hw_module_t* mod, const char* id,
> struct hw_device_t** dev);
> +static int anv_hal_close(struct hw_device_t *dev);
> +
> +static void UNUSED
> +static_asserts(void)
> +{
> +   STATIC_ASSERT(HWVULKAN_DISPATCH_MAGIC == ICD_LOADER_MAGIC);
> +}
> +
> +PUBLIC struct hwvulkan_module_t HAL_MODULE_INFO_SYM = {
> +   .common = {
> +      .tag = HARDWARE_MODULE_TAG,
> +      .module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
> +      .hal_api_version = HARDWARE_MAKE_API_VERSION(1, 0),
> +      .id = HWVULKAN_HARDWARE_MODULE_ID,
> +      .name = "Intel Vulkan HAL",
> +      .author = "Intel",
> +      .methods = &(hw_module_methods_t) {
> +         .open = anv_hal_open,
> +      },
> +   },
> +};
> +
> +static int
> +anv_hal_open(const struct hw_module_t* mod, const char* id,
> +             struct hw_device_t** dev)
> +{
> +   assert(mod == &HAL_MODULE_INFO_SYM.common);
> +   assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);
> +
> +   hwvulkan_device_t *vkdev = malloc(sizeof(*vkdev));
> +   if (!vkdev)
> +      return -1;
> +
> +   *vkdev = (hwvulkan_device_t) {
> +      .common = {
> +         .tag = HARDWARE_DEVICE_TAG,
> +         .version = HWVULKAN_DEVICE_API_VERSION_0_1,
> +         .module = &HAL_MODULE_INFO_SYM.common,
> +         .close = anv_hal_close,
> +      },
> +     .EnumerateInstanceExtensionProperties = anv_
> EnumerateInstanceExtensionProperties,
> +     .CreateInstance = anv_CreateInstance,
> +     .GetInstanceProcAddr = anv_GetInstanceProcAddr,
> +   };
> +
> +   *dev = &vkdev->common;
> +   return 0;
> +}
> +
> +static int
> +anv_hal_close(struct hw_device_t *dev)
> +{
> +   /* hwvulkan.h claims that hw_device_t::close() is never called. */
> +   return -1;
> +}
> +
> +VkResult anv_GetSwapchainGrallocUsageANDROID(
> +    VkDevice            device_h,
> +    VkFormat            format,
> +    VkImageUsageFlags   imageUsage,
> +    int*                grallocUsage)
> +{
> +   ANV_FROM_HANDLE(anv_device, device, device_h);
> +   struct anv_physical_device *phys_dev = &device->instance->
> physicalDevice;
> +   VkPhysicalDevice phys_dev_h = anv_physical_device_to_handle(phys_dev);
> +   VkFormatProperties props;
> +
> +   static const VkFormat fb_formats[] = {
> +      VK_FORMAT_B8G8R8A8_UNORM,
> +      VK_FORMAT_B5G6R5_UNORM_PACK16,
> +   };
> +
> +   *grallocUsage = 0;
> +   anv_GetPhysicalDeviceFormatProperties(phys_dev_h, format, &props);
> +
> +   for (uint32_t i = 0; i < ARRAY_SIZE(fb_formats); ++i) {
> +      if (format == fb_formats[i]) {
> +         /* TODO(chadv): Query these properties from isl. */
> +          *grallocUsage |= GRALLOC_USAGE_HW_FB |
> +                           GRALLOC_USAGE_HW_COMPOSER |
> +                           GRALLOC_USAGE_EXTERNAL_DISP;
> +          break;
> +      }
> +   }
> +
> +  if ((props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_
> IMAGE_BIT))
> +     *grallocUsage |= GRALLOC_USAGE_HW_TEXTURE;
> +
> +  if ((props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_
> ATTACHMENT_BIT))
> +     *grallocUsage |= GRALLOC_USAGE_HW_RENDER;
> +
> +  if ((props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_
> IMAGE_BIT))
> +     *grallocUsage |= GRALLOC_USAGE_HW_TEXTURE;
> +
> +  if (*grallocUsage == 0)
> +     return VK_ERROR_FORMAT_NOT_SUPPORTED;
> +
> +  return VK_SUCCESS;
> +}
> +
> +VkResult
> +anv_AcquireImageANDROID(
> +      VkDevice            device_h,
> +      VkImage             image_h,
> +      int                 nativeFenceFd,
> +      VkSemaphore         semaphore_h,
> +      VkFence             fence_h)
> +{
> +   ANV_FROM_HANDLE(anv_semaphore, semaphore, semaphore_h);
> +   ANV_FROM_HANDLE(anv_fence, fence, fence_h);
> +   VkResult result = VK_SUCCESS;
> +
> +   if (nativeFenceFd != -1) {
> +      /* As a simple, firstpass implementation of
> VK_ANDROID_native_buffer, we
> +       * block on the nativeFenceFd. This may introduce latency and is
> +       * definitiely inefficient, yet it's correct.
> +       *
> +       * FINISHME(chadv): Import the nativeFenceFd into the VkSemaphore
> and
> +       * VkFence.
> +       */
> +      if (sync_wait(nativeFenceFd, /*timeout*/ -1) < 0) {
> +         result = vk_errorf(VK_ERROR_DEVICE_LOST,
> +                            "%s: failed to wait on nativeFenceFd=%d",
> +                            __func__, nativeFenceFd);
> +         goto done;
> +      }
> +   }
> +
> +   if (semaphore) {
> +      /* It's illegal to import into an existing import. */
> +      assert(semaphore->temporary.type == ANV_SEMAPHORE_TYPE_NONE);
> +
> +      /* It's also illegal here to import into an in-flight semaphore.
> +       * Therefore, thanks to implicit sync, there's nothing to do here
> +       * because we have already blocked on the nativeFenceFd.
> +       */
> +   }
> +
> +   if (fence) {
> +      /* It's illegal to import into an existing import. */
> +      assert(fence->temporary.type == ANV_FENCE_TYPE_NONE);
> +
> +
> +      /* We can transition the fence's state from reset to signalled
> because
> +       * we blocked on the sync fd. Since the fence had no waiters,
> there's no
> +       * need to broadcast the state transition.
> +       */
> +      switch (fence->permanent.type) {
> +      case ANV_FENCE_TYPE_NONE:
> +         unreachable("anv_fence::permanent::type is NONE");
> +      case ANV_FENCE_TYPE_BO:
> +         /* It's illegal to import into a fence in the non-resting state.
> */
> +         assert(fence->permanent.bo.state == ANV_BO_FENCE_STATE_RESET);
> +         fence->permanent.bo.state = ANV_BO_FENCE_STATE_SIGNALED;
> +         break;
> +      case ANV_FENCE_TYPE_SYNCOBJ:
> +         break;
> +      }
> +   }
> +
> + done:
> +   if (nativeFenceFd != -1) {
> +      /* From VK_ANDROID_native_buffer's pseudo spec
> +       * (https://source.android.com/devices/graphics/implement-vulkan):
> +       *
> +       *    The driver takes ownership of the fence fd and is responsible
> for
> +       *    closing it [...] even if vkAcquireImageANDROID fails and
> returns
> +       *    an error.
> +       */
> +      close(nativeFenceFd);
> +   }
> +
> +   return result;
> +}
> +
> +VkResult
> +anv_QueueSignalReleaseImageANDROID(
> +      VkQueue             queue,
> +      uint32_t            waitSemaphoreCount,
> +      const VkSemaphore*  pWaitSemaphores,
> +      VkImage             image,
> +      int*                pNativeFenceFd)
> +{
> +   VkResult result;
> +
> +   if (waitSemaphoreCount == 0)
> +      goto done;
> +
> +   result = anv_QueueSubmit(queue,
> +      1, (VkSubmitInfo[]) {
> +         {
> +            .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
> +            .waitSemaphoreCount = 1,
> +            .pWaitSemaphores = pWaitSemaphores,
> +         },
> +      },
> +      (VkFence) VK_NULL_HANDLE);
> +   if (result != VK_SUCCESS)
> +      return result;
> +
> + done:
> +   if (pNativeFenceFd) {
> +      /* We can rely implicit on sync because above we submitted all
> +       * semaphores to the queue.
> +       */
> +      *pNativeFenceFd = -1;
> +   }
> +
> +   return VK_SUCCESS;
> +}
> diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
> index 8cc760c3721..d221ba46645 100644
> --- a/src/intel/vulkan/anv_device.c
> +++ b/src/intel/vulkan/anv_device.c
> @@ -1440,10 +1440,20 @@ VkResult anv_AllocateMemory(
>     struct anv_device_memory *mem;
>     VkResult result = VK_SUCCESS;
>
> +   /* VK_ANDROID_native_buffer defines VkNativeBufferANDROID as an
> extension
> +    * of VkImageCreateInfo. We abuse the struct by chaining it to
> +    * VkMemoryAllocateInfo in the implementation of vkCreateImage.
> +    */
> +   const VkNativeBufferANDROID *gralloc_info = NULL;
> +#ifdef ANDROID
> +   gralloc_info = vk_find_struct_const(pAllocateInfo->pNext,
> NATIVE_BUFFER_ANDROID);
> +#endif
> +
>     assert(pAllocateInfo->sType == VK_STRUCTURE_TYPE_MEMORY_
> ALLOCATE_INFO);
>
>     /* The Vulkan 1.0.33 spec says "allocationSize must be greater than
> 0". */
> -   assert(pAllocateInfo->allocationSize > 0);
> +   assert(gralloc_info || pAllocateInfo->allocationSize > 0);
> +   assert(!gralloc_info || pAllocateInfo->allocationSize == 0);
>
>     /* The kernel relocation API has a limitation of a 32-bit delta value
>      * applied to the address before it is written which, in spite of it
> being
> @@ -1495,7 +1505,31 @@ VkResult anv_AllocateMemory(
>                                     0, &mem->bo);
>        if (result != VK_SUCCESS)
>           goto fail;
> -   } else {
> +   }
> +#ifdef ANDROID
> +   else if (gralloc_info) {
> +      if (gralloc_info->handle->numFds != 1) {
> +         result = vk_errorf(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR,
> +                            "VkNativeBufferANDROID::handle::numFds is
> %d, "
> +                            "expected 1", gralloc_info->handle->numFds);
> +         goto fail;
> +      }
> +
> +      int dma_buf = gralloc_info->handle->data[0];
> +
> +      /* Do not close the gralloc handle's dma_buf fd. The lifetime of the
> +       * dma_buf fd must exceed that of the gralloc handle, and we do not
> own
> +       * the gralloc handle.
> +       */
> +      result = anv_bo_cache_import(device, &device->bo_cache, dma_buf, -1,
> +                                   ANV_BO_CACHE_IMPORT_NO_CLOSE_FD
> +                                   | ANV_BO_CACHE_IMPORT_IGNORE_
> SIZE_PARAM,
> +                                   &mem->bo);
> +      if (result != VK_SUCCESS)
> +         goto fail;
> +   }
> +#endif
> +   else {
>        result = anv_bo_cache_alloc(device, &device->bo_cache,
>                                    pAllocateInfo->allocationSize,
>                                    &mem->bo);
> diff --git a/src/intel/vulkan/anv_entrypoints_gen.py
> b/src/intel/vulkan/anv_entrypoints_gen.py
> index 983be09a39b..dcdde31cdd7 100644
> --- a/src/intel/vulkan/anv_entrypoints_gen.py
> +++ b/src/intel/vulkan/anv_entrypoints_gen.py
> @@ -271,7 +271,15 @@ def get_entrypoints(doc, entrypoints_to_defines,
> start_index):
>          if extension.attrib['name'] not in supported:
>              continue
>
> -        assert extension.attrib['supported'] == 'vulkan'
> +        # Workaround VK_ANDROID_native_buffer. In vk.xml, it's listed as
> +        # supported="disabled", but we patch it to supported="vulkan" in
> our
> +        # custom vk_android_native_buffer.xml.
> +        assert (extension.attrib['supported'] == 'vulkan' or
> +                extension.attrib['name'] == 'VK_ANDROID_native_buffer')
> +
> +        if extension.attrib['supported'] != 'vulkan':
> +            continue
> +
>          for command in extension.findall('./require/command'):
>              enabled_commands.add(command.attrib['name'])
>
> diff --git a/src/intel/vulkan/anv_extensions.py b/src/intel/vulkan/anv_
> extensions.py
> index 6cd0c3692b6..18062359d31 100644
> --- a/src/intel/vulkan/anv_extensions.py
> +++ b/src/intel/vulkan/anv_extensions.py
> @@ -50,6 +50,7 @@ class Extension:
>  # the those extension strings, then tests dEQP-VK.api.info.instance.
> extensions
>  # and dEQP-VK.api.info.device fail due to the duplicated strings.
>  EXTENSIONS = [
> +    Extension('VK_ANDROID_native_buffer',                 5, 'ANDROID'),
>      Extension('VK_KHR_dedicated_allocation',              1, True),
>      Extension('VK_KHR_descriptor_update_template',        1, True),
>      Extension('VK_KHR_external_fence',                    1,
> diff --git a/src/intel/vulkan/anv_image.c b/src/intel/vulkan/anv_image.c
> index 1cc3adae5ee..1b8bb363a17 100644
> --- a/src/intel/vulkan/anv_image.c
> +++ b/src/intel/vulkan/anv_image.c
> @@ -32,6 +32,11 @@
>  #include "util/debug.h"
>
>  #include "vk_format_info.h"
> +#include "vk_util.h"
> +
> +static void
> +add_fast_clear_state_buffer(struct anv_image *image,
> +                            const struct anv_device *device);
>
>  static void
>  add_fast_clear_state_buffer(struct anv_image *image,
> @@ -111,7 +116,9 @@ get_surface(struct anv_image *image,
> VkImageAspectFlags aspect)
>  }
>
>  static VkResult
> -choose_isl_tiling_flags(const struct anv_image_create_info *anv_info,
> +choose_isl_tiling_flags(struct anv_device *device,
> +                        const struct anv_image_create_info *anv_info,
> +                        const VkNativeBufferANDROID *gralloc_info,
>                          isl_tiling_flags_t *restrict flags)
>  {
>     *flags = ISL_TILING_ANY_MASK;
> @@ -122,6 +129,41 @@ choose_isl_tiling_flags(const struct
> anv_image_create_info *anv_info,
>     if (anv_info->isl_tiling_flags)
>        *flags &= anv_info->isl_tiling_flags;
>
> +#if defined(ANDROID)
> +   if (gralloc_info) {
> +      int dma_buf = gralloc_info->handle->data[0];
> +
> +      uint32_t gem_handle = anv_gem_fd_to_handle(device, dma_buf);
> +      if (gem_handle == 0) {
> +         return vk_errorf(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR,
> +                          "DRM_IOCTL_PRIME_FD_TO_HANDLE failed for "
> +                          "VkNativeBufferANDROID");
> +      }
> +
> +      int i915_tiling = anv_gem_get_tiling(device, gem_handle);
> +      switch (i915_tiling) {
> +      case I915_TILING_NONE:
> +         *flags &= ISL_TILING_LINEAR_BIT;
> +         break;
> +      case I915_TILING_X:
> +         *flags &= ISL_TILING_X_BIT;
> +         break;
> +      case I915_TILING_Y:
> +         *flags &= ISL_TILING_Y0_BIT;
> +         break;
> +      case -1:
> +         return vk_errorf(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR,
> +                          "DRM_IOCTL_I915_GEM_GET_TILING failed for "
> +                          "VkNativeBufferANDROID");
> +      default:
> +         return vk_errorf(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR,
> +                          "DRM_IOCTL_I915_GEM_GET_TILING returned unknown
> "
> +                          "tiling %d for VkNativeBufferANDROID",
> i915_tiling);
> +
> +      }
> +   }
> +#endif
> +
>     return VK_SUCCESS;
>  }
>
> @@ -245,9 +287,13 @@ try_make_mcs_surface(const struct anv_device *dev,
>  static VkResult
>  try_make_aux_surface(const struct anv_device *dev,
>                       const VkImageCreateInfo *base_info,
> +                     const VkNativeBufferANDROID *gralloc_info,
>                       VkImageAspectFlags aspect,
>                       struct anv_image *image)
>  {
> +   if (gralloc_info)
> +      return VK_SUCCESS;
> +
>     if (aspect == VK_IMAGE_ASPECT_DEPTH_BIT) {
>        try_make_hiz_surface(dev, base_info, image);
>     } else if (aspect == VK_IMAGE_ASPECT_COLOR_BIT &&
> @@ -344,8 +390,9 @@ add_fast_clear_state_buffer(struct anv_image *image,
>   * Exactly one bit must be set in \a aspect.
>   */
>  static VkResult
> -make_main_surface(const struct anv_device *dev,
> +make_main_surface(struct anv_device *dev,
>                    const struct anv_image_create_info *anv_info,
> +                  const VkNativeBufferANDROID *gralloc_info,
>                    VkImageAspectFlags aspect,
>                    struct anv_image *image)
>  {
> @@ -360,7 +407,8 @@ make_main_surface(const struct anv_device *dev,
>     };
>
>     isl_tiling_flags_t tiling_flags;
> -   result = choose_isl_tiling_flags(anv_info, &tiling_flags);
> +   result = choose_isl_tiling_flags(dev, anv_info, gralloc_info,
> +                                    &tiling_flags);
>     if (result != VK_SUCCESS)
>        return result;
>
> @@ -373,6 +421,19 @@ make_main_surface(const struct anv_device *dev,
>                                                 aspect, base_info->tiling);
>     assert(format != ISL_FORMAT_UNSUPPORTED);
>
> +   uint32_t row_pitch = anv_info->stride;
> +#ifdef ANDROID
> +   if (gralloc_info) {
> +      row_pitch = gralloc_info->stride *
> +                  (isl_format_get_layout(format)->bpb / 8);
> +   }
> +#endif
> +
> +   isl_surf_usage_flags_t usage =
> +      choose_isl_surf_usage(base_info->flags, image->usage, aspect);
> +   if (gralloc_info)
> +      usage |= ISL_SURF_USAGE_DISABLE_AUX_BIT;
> +
>     ok = isl_surf_init(&dev->isl_dev, &anv_surf->isl,
>        .dim = vk_to_isl_surf_dim[base_info->imageType],
>        .format = format,
> @@ -383,8 +444,8 @@ make_main_surface(const struct anv_device *dev,
>        .array_len = base_info->arrayLayers,
>        .samples = base_info->samples,
>        .min_alignment = 0,
> -      .row_pitch = anv_info->stride,
> -      .usage = choose_isl_surf_usage(base_info->flags, image->usage,
> aspect),
> +      .row_pitch = row_pitch,
> +      .usage = usage,
>        .tiling_flags = tiling_flags);
>
>     /* isl_surf_init() will fail only if provided invalid input. Invalid
> input
> @@ -393,9 +454,50 @@ make_main_surface(const struct anv_device *dev,
>     assert(ok);
>
>     add_surface(image, anv_surf);
> +
> +   if (gralloc_info)
> +      assert(anv_surf->offset == 0);
> +
>     return VK_SUCCESS;
>  }
>
> +#ifdef ANDROID
> +static VkResult
> +import_gralloc(struct anv_device *device,
> +               struct anv_image *image,
> +               const VkNativeBufferANDROID *gralloc_info,
> +               const VkAllocationCallbacks *alloc)
> +{
> +   VkDevice device_h = anv_device_to_handle(device);
> +   VkDeviceMemory mem_h = VK_NULL_HANDLE;
> +   VkResult result;
> +
> +   /* VK_ANDROID_native_buffer defines VkNativeBufferANDROID as an
> extension
> +    * of VkImageCreateInfo. We abuse the struct by chaining it to
> +    * VkMemoryAllocateInfo.
> +    */
> +   result = anv_AllocateMemory(device_h,
> +      &(VkMemoryAllocateInfo) {
> +         .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
> +         .pNext = gralloc_info,
> +         .allocationSize = 0,
> +         .memoryTypeIndex = 0, /* XXX: Arbitrary memory type */
> +      },
> +      alloc,
> +      &mem_h);
> +
> +   if (result != VK_SUCCESS)
> +      return result;
> +
> +   ANV_FROM_HANDLE(anv_device_memory, mem, mem_h);
> +   image->mem = mem;
> +   image->mem_offset = 0;
> +   image->mem_is_owned = true;
> +
> +   return VK_SUCCESS;
> +}
> +#endif
> +
>  VkResult
>  anv_image_create(VkDevice _device,
>                   const struct anv_image_create_info *anv_info,
> @@ -404,6 +506,8 @@ anv_image_create(VkDevice _device,
>  {
>     ANV_FROM_HANDLE(anv_device, device, _device);
>     const VkImageCreateInfo *base_info = anv_info->vk_info;
> +   const VkNativeBufferANDROID *gralloc_info =
> +      vk_find_struct_const(base_info->pNext, NATIVE_BUFFER_ANDROID);
>     struct anv_image *image = NULL;
>     VkResult r;
>
> @@ -432,21 +536,30 @@ anv_image_create(VkDevice _device,
>     image->tiling = base_info->tiling;
>     image->aux_usage = ISL_AUX_USAGE_NONE;
>
> +#ifdef ANDROID
> +   if (gralloc_info) {
> +      r = import_gralloc(device, image, gralloc_info, alloc);
> +      if (r != VK_SUCCESS)
> +         goto fail;
> +   }
> +#endif
> +
>     uint32_t b;
>     for_each_bit(b, image->aspects) {
>        VkImageAspectFlagBits aspect = 1 << b;
>
> -      r = make_main_surface(device, anv_info, aspect, image);
> +      r = make_main_surface(device, anv_info, gralloc_info, aspect,
> image);
>        if (r != VK_SUCCESS)
>           goto fail;
>
> -      r = try_make_aux_surface(device, base_info, aspect, image);
> +      r = try_make_aux_surface(device, base_info, gralloc_info, aspect,
> image);
>        if (r != VK_SUCCESS)
>           goto fail;
>     }
>
> -   *pImage = anv_image_to_handle(image);
> +   VkImage image_h = anv_image_to_handle(image);
>
> +   *pImage = image_h;
>     return VK_SUCCESS;
>
>  fail:
> diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_
> private.h
> index d11a2363d9b..dafc37247f5 100644
> --- a/src/intel/vulkan/anv_private.h
> +++ b/src/intel/vulkan/anv_private.h
> @@ -71,6 +71,7 @@ struct gen_l3_config;
>  #include <vulkan/vulkan.h>
>  #include <vulkan/vulkan_intel.h>
>  #include <vulkan/vk_icd.h>
> +#include <vulkan/vk_android_native_buffer.h>
>
>  #include "anv_entrypoints.h"
>  #include "isl/isl.h"
> --
> 2.13.5
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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