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mesa/src/virtio/vulkan/vn_android.c

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/*
* Copyright 2021 Google LLC
* SPDX-License-Identifier: MIT
*
* based in part on anv and radv which are:
* Copyright © 2015 Intel Corporation
* Copyright © 2016 Red Hat
* Copyright © 2016 Bas Nieuwenhuizen
*/
#include "vn_android.h"
#include <dlfcn.h>
#include <hardware/gralloc.h>
#include <hardware/hwvulkan.h>
#include <vndk/hardware_buffer.h>
#include <vulkan/vk_icd.h>
#include "drm-uapi/drm_fourcc.h"
#include "util/libsync.h"
#include "util/os_file.h"
#include "vn_buffer.h"
#include "vn_device.h"
#include "vn_device_memory.h"
#include "vn_image.h"
#include "vn_instance.h"
#include "vn_physical_device.h"
#include "vn_queue.h"
/* perform options supported by CrOS Gralloc */
#define CROS_GRALLOC_DRM_GET_BUFFER_INFO 4
#define CROS_GRALLOC_DRM_GET_USAGE 5
#define CROS_GRALLOC_DRM_GET_USAGE_FRONT_RENDERING_BIT 0x1
struct vn_android_gralloc {
const gralloc_module_t *module;
uint32_t front_rendering_usage;
};
static struct vn_android_gralloc _vn_android_gralloc;
static int
vn_android_gralloc_init()
{
static const char CROS_GRALLOC_MODULE_NAME[] = "CrOS Gralloc";
const gralloc_module_t *gralloc = NULL;
uint32_t front_rendering_usage = 0;
int ret;
/* get gralloc module for gralloc buffer info query */
ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
(const hw_module_t **)&gralloc);
if (ret) {
vn_log(NULL, "failed to open gralloc module(ret=%d)", ret);
return ret;
}
if (strcmp(gralloc->common.name, CROS_GRALLOC_MODULE_NAME) != 0) {
dlclose(gralloc->common.dso);
vn_log(NULL, "unexpected gralloc (name: %s)", gralloc->common.name);
return -1;
}
if (!gralloc->perform) {
dlclose(gralloc->common.dso);
vn_log(NULL, "missing required gralloc helper: perform");
return -1;
}
if (gralloc->perform(gralloc, CROS_GRALLOC_DRM_GET_USAGE,
CROS_GRALLOC_DRM_GET_USAGE_FRONT_RENDERING_BIT,
&front_rendering_usage) == 0) {
assert(front_rendering_usage);
_vn_android_gralloc.front_rendering_usage = front_rendering_usage;
}
_vn_android_gralloc.module = gralloc;
return 0;
}
static inline void
vn_android_gralloc_fini()
{
dlclose(_vn_android_gralloc.module->common.dso);
}
uint32_t
vn_android_gralloc_get_shared_present_usage()
{
return _vn_android_gralloc.front_rendering_usage;
}
struct cros_gralloc0_buffer_info {
uint32_t drm_fourcc;
int num_fds; /* ignored */
int fds[4]; /* ignored */
uint64_t modifier;
uint32_t offset[4];
uint32_t stride[4];
};
struct vn_android_gralloc_buffer_properties {
uint32_t drm_fourcc;
uint64_t modifier;
/* plane order matches VkImageDrmFormatModifierExplicitCreateInfoEXT */
uint32_t offset[4];
uint32_t stride[4];
};
static bool
vn_android_gralloc_get_buffer_properties(
buffer_handle_t handle,
struct vn_android_gralloc_buffer_properties *out_props)
{
const gralloc_module_t *gralloc = _vn_android_gralloc.module;
struct cros_gralloc0_buffer_info info;
if (gralloc->perform(gralloc, CROS_GRALLOC_DRM_GET_BUFFER_INFO, handle,
&info) != 0) {
vn_log(NULL, "CROS_GRALLOC_DRM_GET_BUFFER_INFO failed");
return false;
}
if (info.modifier == DRM_FORMAT_MOD_INVALID) {
vn_log(NULL, "Unexpected DRM_FORMAT_MOD_INVALID");
return false;
}
out_props->drm_fourcc = info.drm_fourcc;
for (uint32_t i = 0; i < 4; i++) {
out_props->stride[i] = info.stride[i];
out_props->offset[i] = info.offset[i];
}
/* YVU420 has a chroma order of CrCb. So we must swap the planes for CrCb
* to align with VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM. This is to serve
* VkImageDrmFormatModifierExplicitCreateInfoEXT explicit plane layouts.
*/
if (info.drm_fourcc == DRM_FORMAT_YVU420) {
out_props->stride[1] = info.stride[2];
out_props->offset[1] = info.offset[2];
out_props->stride[2] = info.stride[1];
out_props->offset[2] = info.offset[1];
}
out_props->modifier = info.modifier;
return true;
}
static int
vn_android_gralloc_get_dma_buf_fd(const native_handle_t *handle)
{
/* There can be multiple fds wrapped inside a native_handle_t, but we
* expect the 1st one pointing to the dma_buf. For multi-planar format,
* there should only exist one undelying dma_buf. The other fd(s) could be
* dups to the same dma_buf or point to the shared memory used to store
* gralloc buffer metadata.
*/
assert(handle);
if (handle->numFds < 1) {
vn_log(NULL, "handle->numFds is %d, expected >= 1", handle->numFds);
return -1;
}
if (handle->data[0] < 0) {
vn_log(NULL, "handle->data[0] < 0");
return -1;
}
return handle->data[0];
}
static int
vn_hal_open(const struct hw_module_t *mod,
const char *id,
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_HAL_API_VERSION,
.id = HWVULKAN_HARDWARE_MODULE_ID,
.name = "Venus Vulkan HAL",
.author = "Google LLC",
.methods = &(hw_module_methods_t) {
.open = vn_hal_open,
},
},
};
static int
vn_hal_close(UNUSED struct hw_device_t *dev)
{
vn_android_gralloc_fini();
return 0;
}
static hwvulkan_device_t vn_hal_dev = {
.common = {
.tag = HARDWARE_DEVICE_TAG,
.version = HWVULKAN_DEVICE_API_VERSION_0_1,
.module = &HAL_MODULE_INFO_SYM.common,
.close = vn_hal_close,
},
.EnumerateInstanceExtensionProperties = vn_EnumerateInstanceExtensionProperties,
.CreateInstance = vn_CreateInstance,
.GetInstanceProcAddr = vn_GetInstanceProcAddr,
};
static int
vn_hal_open(const struct hw_module_t *mod,
const char *id,
struct hw_device_t **dev)
{
int ret;
assert(mod == &HAL_MODULE_INFO_SYM.common);
assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);
ret = vn_android_gralloc_init();
if (ret)
return ret;
*dev = &vn_hal_dev.common;
return 0;
}
static uint32_t
vn_android_ahb_format_from_vk_format(VkFormat format)
{
/* Only non-external AHB compatible formats are expected at:
* - image format query
* - memory export allocation
*/
switch (format) {
case VK_FORMAT_R8G8B8A8_UNORM:
return AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
case VK_FORMAT_R8G8B8_UNORM:
return AHARDWAREBUFFER_FORMAT_R8G8B8_UNORM;
case VK_FORMAT_R5G6B5_UNORM_PACK16:
return AHARDWAREBUFFER_FORMAT_R5G6B5_UNORM;
case VK_FORMAT_R16G16B16A16_SFLOAT:
return AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT;
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
return AHARDWAREBUFFER_FORMAT_R10G10B10A2_UNORM;
default:
return 0;
}
}
const VkFormat *
vn_android_format_to_view_formats(VkFormat format, uint32_t *out_count)
{
/* For AHB image prop query and creation, venus overrides the tiling to
* VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT, which requires to chain
* VkImageFormatListCreateInfo struct in the corresponding pNext when the
* VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT is set. Those AHB images are assumed
* to be mutable no more than sRGB-ness, and the implementations can fail
* whenever going beyond.
*
* This helper provides the view formats that have sRGB variants for the
* image format that venus supports.
*/
static const VkFormat view_formats_r8g8b8a8[] = {
VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_R8G8B8A8_SRGB
};
static const VkFormat view_formats_r8g8b8[] = { VK_FORMAT_R8G8B8_UNORM,
VK_FORMAT_R8G8B8_SRGB };
switch (format) {
case VK_FORMAT_R8G8B8A8_UNORM:
*out_count = ARRAY_SIZE(view_formats_r8g8b8a8);
return view_formats_r8g8b8a8;
break;
case VK_FORMAT_R8G8B8_UNORM:
*out_count = ARRAY_SIZE(view_formats_r8g8b8);
return view_formats_r8g8b8;
break;
default:
/* let the caller handle the fallback case */
*out_count = 0;
return NULL;
}
}
VkFormat
vn_android_drm_format_to_vk_format(uint32_t format)
{
switch (format) {
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
return VK_FORMAT_R8G8B8A8_UNORM;
case DRM_FORMAT_BGR888:
return VK_FORMAT_R8G8B8_UNORM;
case DRM_FORMAT_RGB565:
return VK_FORMAT_R5G6B5_UNORM_PACK16;
case DRM_FORMAT_ABGR16161616F:
return VK_FORMAT_R16G16B16A16_SFLOAT;
case DRM_FORMAT_ABGR2101010:
return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
case DRM_FORMAT_YVU420:
return VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM;
case DRM_FORMAT_NV12:
return VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
default:
return VK_FORMAT_UNDEFINED;
}
}
static bool
vn_android_drm_format_is_yuv(uint32_t format)
{
assert(vn_android_drm_format_to_vk_format(format) != VK_FORMAT_UNDEFINED);
switch (format) {
case DRM_FORMAT_YVU420:
case DRM_FORMAT_NV12:
return true;
default:
return false;
}
}
uint64_t
vn_android_get_ahb_usage(const VkImageUsageFlags usage,
const VkImageCreateFlags flags)
{
uint64_t ahb_usage = 0;
if (usage &
(VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
ahb_usage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
if (usage & (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT))
ahb_usage |= AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER;
if (flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT)
ahb_usage |= AHARDWAREBUFFER_USAGE_GPU_CUBE_MAP;
if (flags & VK_IMAGE_CREATE_PROTECTED_BIT)
ahb_usage |= AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT;
/* must include at least one GPU usage flag */
if (ahb_usage == 0)
ahb_usage = AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
return ahb_usage;
}
VkResult
vn_GetSwapchainGrallocUsage2ANDROID(
VkDevice device,
VkFormat format,
VkImageUsageFlags imageUsage,
VkSwapchainImageUsageFlagsANDROID swapchainImageUsage,
uint64_t *grallocConsumerUsage,
uint64_t *grallocProducerUsage)
{
struct vn_device *dev = vn_device_from_handle(device);
if (VN_DEBUG(WSI)) {
vn_log(dev->instance,
"format=%d, imageUsage=0x%x, swapchainImageUsage=0x%x", format,
imageUsage, swapchainImageUsage);
}
*grallocConsumerUsage = 0;
*grallocProducerUsage = 0;
if (imageUsage & (VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT))
*grallocProducerUsage |= AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER;
if (imageUsage &
(VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
*grallocProducerUsage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
if (swapchainImageUsage & VK_SWAPCHAIN_IMAGE_USAGE_SHARED_BIT_ANDROID)
*grallocProducerUsage |= vn_android_gralloc_get_shared_present_usage();
return VK_SUCCESS;
}
static VkResult
vn_android_get_modifier_properties(struct vn_device *dev,
VkFormat format,
uint64_t modifier,
const VkAllocationCallbacks *alloc,
VkDrmFormatModifierPropertiesEXT *out_props)
{
VkPhysicalDevice physical_device =
vn_physical_device_to_handle(dev->physical_device);
VkDrmFormatModifierPropertiesListEXT mod_prop_list = {
.sType = VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT,
.pNext = NULL,
.drmFormatModifierCount = 0,
.pDrmFormatModifierProperties = NULL,
};
VkFormatProperties2 format_prop = {
.sType = VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2,
.pNext = &mod_prop_list,
};
VkDrmFormatModifierPropertiesEXT *mod_props = NULL;
bool modifier_found = false;
vn_GetPhysicalDeviceFormatProperties2(physical_device, format,
&format_prop);
if (!mod_prop_list.drmFormatModifierCount) {
vn_log(dev->instance, "No compatible modifier for VkFormat(%u)",
format);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
mod_props = vk_zalloc(
alloc, sizeof(*mod_props) * mod_prop_list.drmFormatModifierCount,
VN_DEFAULT_ALIGN, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (!mod_props)
return VK_ERROR_OUT_OF_HOST_MEMORY;
mod_prop_list.pDrmFormatModifierProperties = mod_props;
vn_GetPhysicalDeviceFormatProperties2(physical_device, format,
&format_prop);
for (uint32_t i = 0; i < mod_prop_list.drmFormatModifierCount; i++) {
if (mod_props[i].drmFormatModifier == modifier) {
*out_props = mod_props[i];
modifier_found = true;
break;
}
}
vk_free(alloc, mod_props);
if (!modifier_found) {
vn_log(dev->instance,
"No matching modifier(%" PRIu64 ") properties for VkFormat(%u)",
modifier, format);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
return VK_SUCCESS;
}
struct vn_android_image_builder {
VkImageCreateInfo create;
VkSubresourceLayout layouts[4];
VkImageDrmFormatModifierExplicitCreateInfoEXT modifier;
VkExternalMemoryImageCreateInfo external;
VkImageFormatListCreateInfo list;
};
static VkResult
vn_android_get_image_builder(struct vn_device *dev,
const VkImageCreateInfo *create_info,
const native_handle_t *handle,
const VkAllocationCallbacks *alloc,
struct vn_android_image_builder *out_builder)
{
VkResult result = VK_SUCCESS;
struct vn_android_gralloc_buffer_properties buf_props;
VkDrmFormatModifierPropertiesEXT mod_props;
uint32_t vcount = 0;
const VkFormat *vformats = NULL;
/* Android image builder is only used by ANB or AHB. For ANB, Android
* Vulkan loader will never pass the below structs. For AHB, struct
* vn_image_create_deferred_info will never carry below either.
*/
assert(!vk_find_struct_const(
create_info->pNext,
IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT));
assert(!vk_find_struct_const(create_info->pNext,
EXTERNAL_MEMORY_IMAGE_CREATE_INFO));
if (!vn_android_gralloc_get_buffer_properties(handle, &buf_props))
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
result = vn_android_get_modifier_properties(
dev, create_info->format, buf_props.modifier, alloc, &mod_props);
if (result != VK_SUCCESS)
return result;
/* fill VkImageCreateInfo */
memset(out_builder, 0, sizeof(*out_builder));
out_builder->create = *create_info;
out_builder->create.tiling = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT;
/* fill VkImageDrmFormatModifierExplicitCreateInfoEXT */
for (uint32_t i = 0; i < mod_props.drmFormatModifierPlaneCount; i++) {
out_builder->layouts[i].offset = buf_props.offset[i];
out_builder->layouts[i].rowPitch = buf_props.stride[i];
}
out_builder->modifier = (VkImageDrmFormatModifierExplicitCreateInfoEXT){
.sType =
VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT,
.pNext = out_builder->create.pNext,
.drmFormatModifier = buf_props.modifier,
.drmFormatModifierPlaneCount = mod_props.drmFormatModifierPlaneCount,
.pPlaneLayouts = out_builder->layouts,
};
out_builder->create.pNext = &out_builder->modifier;
/* fill VkExternalMemoryImageCreateInfo */
out_builder->external = (VkExternalMemoryImageCreateInfo){
.sType = VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO,
.pNext = out_builder->create.pNext,
.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
};
out_builder->create.pNext = &out_builder->external;
/* fill VkImageFormatListCreateInfo if needed
*
* vn_image::deferred_info only stores VkImageFormatListCreateInfo with a
* non-zero viewFormatCount, and that stored struct will be respected.
*/
if ((create_info->flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) &&
!vk_find_struct_const(create_info->pNext,
IMAGE_FORMAT_LIST_CREATE_INFO)) {
/* 12.3. Images
*
* If tiling is VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT and flags
* contains VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT, then the pNext chain
* must include a VkImageFormatListCreateInfo structure with non-zero
* viewFormatCount.
*/
vformats =
vn_android_format_to_view_formats(create_info->format, &vcount);
if (!vformats) {
/* image builder struct persists through the image creation call */
vformats = &out_builder->create.format;
vcount = 1;
}
out_builder->list = (VkImageFormatListCreateInfo){
.sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_LIST_CREATE_INFO,
.pNext = out_builder->create.pNext,
.viewFormatCount = vcount,
.pViewFormats = vformats,
};
out_builder->create.pNext = &out_builder->list;
}
return VK_SUCCESS;
}
VkResult
vn_android_image_from_anb(struct vn_device *dev,
const VkImageCreateInfo *create_info,
const VkNativeBufferANDROID *anb_info,
const VkAllocationCallbacks *alloc,
struct vn_image **out_img)
{
/* If anb_info->handle points to a classic resouce created from
* virtio_gpu_cmd_resource_create_3d, anb_info->stride is the stride of the
* guest shadow storage other than the host gpu storage.
*
* We also need to pass the correct stride to vn_CreateImage, which will be
* done via VkImageDrmFormatModifierExplicitCreateInfoEXT and will require
* VK_EXT_image_drm_format_modifier support in the host driver. The struct
* needs host storage info which can be queried from cros gralloc.
*/
VkResult result = VK_SUCCESS;
VkDevice device = vn_device_to_handle(dev);
VkDeviceMemory memory = VK_NULL_HANDLE;
VkImage image = VK_NULL_HANDLE;
struct vn_image *img = NULL;
uint64_t alloc_size = 0;
uint32_t mem_type_bits = 0;
int dma_buf_fd = -1;
int dup_fd = -1;
VkImageCreateInfo local_create_info;
struct vn_android_image_builder builder;
dma_buf_fd = vn_android_gralloc_get_dma_buf_fd(anb_info->handle);
if (dma_buf_fd < 0) {
result = VK_ERROR_INVALID_EXTERNAL_HANDLE;
goto fail;
}
assert(!(create_info->flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT));
assert(!vk_find_struct_const(create_info->pNext,
IMAGE_FORMAT_LIST_CREATE_INFO));
assert(!vk_find_struct_const(create_info->pNext,
IMAGE_STENCIL_USAGE_CREATE_INFO));
/* strip VkNativeBufferANDROID and VkSwapchainImageCreateInfoANDROID */
local_create_info = *create_info;
local_create_info.pNext = NULL;
result = vn_android_get_image_builder(dev, &local_create_info,
anb_info->handle, alloc, &builder);
if (result != VK_SUCCESS)
goto fail;
/* encoder will strip the Android specific pNext structs */
result = vn_image_create(dev, &builder.create, alloc, &img);
if (result != VK_SUCCESS) {
if (VN_DEBUG(WSI))
vn_log(dev->instance, "vn_image_create failed");
goto fail;
}
image = vn_image_to_handle(img);
const VkMemoryRequirements *mem_req =
&img->requirements[0].memory.memoryRequirements;
if (!mem_req->memoryTypeBits) {
if (VN_DEBUG(WSI))
vn_log(dev->instance, "mem_req->memoryTypeBits cannot be zero");
result = VK_ERROR_INVALID_EXTERNAL_HANDLE;
goto fail;
}
result = vn_get_memory_dma_buf_properties(dev, dma_buf_fd, &alloc_size,
&mem_type_bits);
if (result != VK_SUCCESS)
goto fail;
if (VN_DEBUG(WSI)) {
vn_log(dev->instance,
"size = img(%" PRIu64 ") fd(%" PRIu64 "), "
"memoryTypeBits = img(0x%X) & fd(0x%X)",
mem_req->size, alloc_size, mem_req->memoryTypeBits,
mem_type_bits);
}
if (alloc_size < mem_req->size) {
if (VN_DEBUG(WSI)) {
vn_log(dev->instance,
"alloc_size(%" PRIu64 ") mem_req->size(%" PRIu64 ")",
alloc_size, mem_req->size);
}
result = VK_ERROR_INVALID_EXTERNAL_HANDLE;
goto fail;
}
mem_type_bits &= mem_req->memoryTypeBits;
if (!mem_type_bits) {
result = VK_ERROR_INVALID_EXTERNAL_HANDLE;
goto fail;
}
dup_fd = os_dupfd_cloexec(dma_buf_fd);
if (dup_fd < 0) {
result = (errno == EMFILE) ? VK_ERROR_TOO_MANY_OBJECTS
: VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
const VkImportMemoryFdInfoKHR import_fd_info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR,
.pNext = NULL,
.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
.fd = dup_fd,
};
const VkMemoryAllocateInfo memory_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.pNext = &import_fd_info,
.allocationSize = mem_req->size,
.memoryTypeIndex = ffs(mem_type_bits) - 1,
};
result = vn_AllocateMemory(device, &memory_info, alloc, &memory);
if (result != VK_SUCCESS) {
/* only need to close the dup_fd on import failure */
close(dup_fd);
goto fail;
}
const VkBindImageMemoryInfo bind_info = {
.sType = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO,
.pNext = NULL,
.image = image,
.memory = memory,
.memoryOffset = 0,
};
result = vn_BindImageMemory2(device, 1, &bind_info);
if (result != VK_SUCCESS)
goto fail;
img->wsi.is_wsi = true;
img->wsi.tiling_override = builder.create.tiling;
img->wsi.drm_format_modifier = builder.modifier.drmFormatModifier;
/* Android WSI image owns the memory */
img->wsi.memory = vn_device_memory_from_handle(memory);
img->wsi.memory_owned = true;
*out_img = img;
return VK_SUCCESS;
fail:
if (image != VK_NULL_HANDLE)
vn_DestroyImage(device, image, alloc);
if (memory != VK_NULL_HANDLE)
vn_FreeMemory(device, memory, alloc);
return vn_error(dev->instance, result);
}
VkResult
vn_AcquireImageANDROID(VkDevice device,
UNUSED VkImage image,
int nativeFenceFd,
VkSemaphore semaphore,
VkFence fence)
{
VN_TRACE_FUNC();
struct vn_device *dev = vn_device_from_handle(device);
VkResult result = VK_SUCCESS;
if (dev->instance->experimental.globalFencing == VK_FALSE) {
/* Fallback when VkVenusExperimentalFeatures100000MESA::globalFencing is
* VK_FALSE, out semaphore and fence are filled with already signaled
* payloads, and the native fence fd is waited inside until signaled.
*/
if (nativeFenceFd >= 0) {
int ret = sync_wait(nativeFenceFd, -1);
/* Android loader expects the ICD to always close the fd */
close(nativeFenceFd);
if (ret)
return vn_error(dev->instance, VK_ERROR_SURFACE_LOST_KHR);
}
if (semaphore != VK_NULL_HANDLE)
vn_semaphore_signal_wsi(dev, vn_semaphore_from_handle(semaphore));
if (fence != VK_NULL_HANDLE)
vn_fence_signal_wsi(dev, vn_fence_from_handle(fence));
return VK_SUCCESS;
}
int semaphore_fd = -1;
int fence_fd = -1;
if (nativeFenceFd >= 0) {
if (semaphore != VK_NULL_HANDLE && fence != VK_NULL_HANDLE) {
semaphore_fd = nativeFenceFd;
fence_fd = os_dupfd_cloexec(nativeFenceFd);
if (fence_fd < 0) {
result = (errno == EMFILE) ? VK_ERROR_TOO_MANY_OBJECTS
: VK_ERROR_OUT_OF_HOST_MEMORY;
close(nativeFenceFd);
return vn_error(dev->instance, result);
}
} else if (semaphore != VK_NULL_HANDLE) {
semaphore_fd = nativeFenceFd;
} else if (fence != VK_NULL_HANDLE) {
fence_fd = nativeFenceFd;
} else {
close(nativeFenceFd);
}
}
if (semaphore != VK_NULL_HANDLE) {
const VkImportSemaphoreFdInfoKHR info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHR,
.pNext = NULL,
.semaphore = semaphore,
.flags = VK_SEMAPHORE_IMPORT_TEMPORARY_BIT,
.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
.fd = semaphore_fd,
};
result = vn_ImportSemaphoreFdKHR(device, &info);
if (result == VK_SUCCESS)
semaphore_fd = -1;
}
if (result == VK_SUCCESS && fence != VK_NULL_HANDLE) {
const VkImportFenceFdInfoKHR info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR,
.pNext = NULL,
.fence = fence,
.flags = VK_FENCE_IMPORT_TEMPORARY_BIT,
.handleType = VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT,
.fd = fence_fd,
};
result = vn_ImportFenceFdKHR(device, &info);
if (result == VK_SUCCESS)
fence_fd = -1;
}
if (semaphore_fd >= 0)
close(semaphore_fd);
if (fence_fd >= 0)
close(fence_fd);
return vn_result(dev->instance, result);
}
VkResult
vn_QueueSignalReleaseImageANDROID(VkQueue queue,
uint32_t waitSemaphoreCount,
const VkSemaphore *pWaitSemaphores,
VkImage image,
int *pNativeFenceFd)
{
VN_TRACE_FUNC();
struct vn_queue *que = vn_queue_from_handle(queue);
struct vn_device *dev = que->device;
const VkAllocationCallbacks *alloc = &dev->base.base.alloc;
VkDevice device = vn_device_to_handle(dev);
VkPipelineStageFlags local_stage_masks[8];
VkPipelineStageFlags *stage_masks = local_stage_masks;
VkResult result = VK_SUCCESS;
int fd = -1;
if (waitSemaphoreCount == 0) {
*pNativeFenceFd = -1;
return VK_SUCCESS;
}
if (waitSemaphoreCount > ARRAY_SIZE(local_stage_masks)) {
stage_masks =
vk_alloc(alloc, sizeof(*stage_masks) * waitSemaphoreCount,
VN_DEFAULT_ALIGN, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (!stage_masks)
return vn_error(dev->instance, VK_ERROR_OUT_OF_HOST_MEMORY);
}
for (uint32_t i = 0; i < waitSemaphoreCount; i++)
stage_masks[i] = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
const VkSubmitInfo submit_info = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = NULL,
.waitSemaphoreCount = waitSemaphoreCount,
.pWaitSemaphores = pWaitSemaphores,
.pWaitDstStageMask = stage_masks,
.commandBufferCount = 0,
.pCommandBuffers = NULL,
.signalSemaphoreCount = 0,
.pSignalSemaphores = NULL,
};
/* XXX When globalFencing is supported, our implementation is not able to
* reset the fence during vn_GetFenceFdKHR currently. Thus to ensure proper
* host driver behavior, we pass VK_NULL_HANDLE here.
*/
result = vn_QueueSubmit(
queue, 1, &submit_info,
dev->instance->experimental.globalFencing == VK_TRUE ? VK_NULL_HANDLE
: que->wait_fence);
if (stage_masks != local_stage_masks)
vk_free(alloc, stage_masks);
if (result != VK_SUCCESS)
return vn_error(dev->instance, result);
if (dev->instance->experimental.globalFencing == VK_TRUE) {
/* With globalFencing, the external queue fence was not passed in the
* above vn_QueueSubmit to hint it to be synchronous. So we need to wait
* for the ring here before vn_GetFenceFdKHR which is pure kernel ops.
* Skip ring wait if async queue submit is disabled.
*/
if (!VN_PERF(NO_ASYNC_QUEUE_SUBMIT))
vn_instance_ring_wait(dev->instance);
const VkFenceGetFdInfoKHR fd_info = {
.sType = VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR,
.pNext = NULL,
.fence = que->wait_fence,
.handleType = VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT,
};
result = vn_GetFenceFdKHR(device, &fd_info, &fd);
} else {
result =
vn_WaitForFences(device, 1, &que->wait_fence, VK_TRUE, UINT64_MAX);
if (result != VK_SUCCESS)
return vn_error(dev->instance, result);
result = vn_ResetFences(device, 1, &que->wait_fence);
}
if (result != VK_SUCCESS)
return vn_error(dev->instance, result);
*pNativeFenceFd = fd;
return VK_SUCCESS;
}
static VkResult
vn_android_get_ahb_format_properties(
struct vn_device *dev,
const struct AHardwareBuffer *ahb,
VkAndroidHardwareBufferFormatPropertiesANDROID *out_props)
{
AHardwareBuffer_Desc desc;
VkFormat format;
struct vn_android_gralloc_buffer_properties buf_props;
VkDrmFormatModifierPropertiesEXT mod_props;
AHardwareBuffer_describe(ahb, &desc);
if (!(desc.usage & (AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER |
AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER))) {
vn_log(dev->instance,
"AHB usage(%" PRIu64 ") must include at least one GPU bit",
desc.usage);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
/* Handle the special AHARDWAREBUFFER_FORMAT_BLOB for VkBuffer case. */
if (desc.format == AHARDWAREBUFFER_FORMAT_BLOB) {
out_props->format = VK_FORMAT_UNDEFINED;
return VK_SUCCESS;
}
if (!vn_android_gralloc_get_buffer_properties(
AHardwareBuffer_getNativeHandle(ahb), &buf_props))
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
/* We implement AHB extension support with EXT_image_drm_format_modifier.
* It requires us to have a compatible VkFormat but not DRM formats. So if
* the ahb is not intended for backing a VkBuffer, error out early if the
* format is VK_FORMAT_UNDEFINED.
*/
format = vn_android_drm_format_to_vk_format(buf_props.drm_fourcc);
if (format == VK_FORMAT_UNDEFINED) {
vn_log(dev->instance, "Unknown drm_fourcc(%u) from AHB format(0x%X)",
buf_props.drm_fourcc, desc.format);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
VkResult result = vn_android_get_modifier_properties(
dev, format, buf_props.modifier, &dev->base.base.alloc, &mod_props);
if (result != VK_SUCCESS)
return result;
/* The spec requires that formatFeatures must include at least one of
* VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
* VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT.
*/
const VkFormatFeatureFlags format_features =
mod_props.drmFormatModifierTilingFeatures |
VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT;
/* 11.2.7. Android Hardware Buffer External Memory
*
* Implementations may not always be able to determine the color model,
* numerical range, or chroma offsets of the image contents, so the values
* in VkAndroidHardwareBufferFormatPropertiesANDROID are only suggestions.
* Applications should treat these values as sensible defaults to use in the
* absence of more reliable information obtained through some other means.
*/
const bool is_yuv = vn_android_drm_format_is_yuv(buf_props.drm_fourcc);
const VkSamplerYcbcrModelConversion model =
is_yuv ? VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601
: VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY;
/* ANGLE expects VK_FORMAT_UNDEFINED with externalFormat resolved from
* AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED and any supported planar
* AHB formats. Venus supports below explicit ones:
* - AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420 (DRM_FORMAT_NV12)
* - AHARDWAREBUFFER_FORMAT_YV12 (DRM_FORMAT_YVU420)
*/
if (desc.format == AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED || is_yuv)
format = VK_FORMAT_UNDEFINED;
*out_props = (VkAndroidHardwareBufferFormatPropertiesANDROID) {
.sType = out_props->sType,
.pNext = out_props->pNext,
.format = format,
.externalFormat = buf_props.drm_fourcc,
.formatFeatures = format_features,
.samplerYcbcrConversionComponents = {
.r = VK_COMPONENT_SWIZZLE_IDENTITY,
.g = VK_COMPONENT_SWIZZLE_IDENTITY,
.b = VK_COMPONENT_SWIZZLE_IDENTITY,
.a = VK_COMPONENT_SWIZZLE_IDENTITY,
},
.suggestedYcbcrModel = model,
/* match EGL_YUV_NARROW_RANGE_EXT used in egl platform_android */
.suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_NARROW,
.suggestedXChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
.suggestedYChromaOffset = VK_CHROMA_LOCATION_MIDPOINT,
};
return VK_SUCCESS;
}
VkResult
vn_GetAndroidHardwareBufferPropertiesANDROID(
VkDevice device,
const struct AHardwareBuffer *buffer,
VkAndroidHardwareBufferPropertiesANDROID *pProperties)
{
VN_TRACE_FUNC();
struct vn_device *dev = vn_device_from_handle(device);
VkResult result = VK_SUCCESS;
int dma_buf_fd = -1;
uint64_t alloc_size = 0;
uint32_t mem_type_bits = 0;
VkAndroidHardwareBufferFormatPropertiesANDROID *format_props =
vk_find_struct(pProperties->pNext,
ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_ANDROID);
if (format_props) {
result =
vn_android_get_ahb_format_properties(dev, buffer, format_props);
if (result != VK_SUCCESS)
return vn_error(dev->instance, result);
}
dma_buf_fd = vn_android_gralloc_get_dma_buf_fd(
AHardwareBuffer_getNativeHandle(buffer));
if (dma_buf_fd < 0)
return vn_error(dev->instance, VK_ERROR_INVALID_EXTERNAL_HANDLE);
result = vn_get_memory_dma_buf_properties(dev, dma_buf_fd, &alloc_size,
&mem_type_bits);
if (result != VK_SUCCESS)
return vn_error(dev->instance, result);
pProperties->allocationSize = alloc_size;
pProperties->memoryTypeBits = mem_type_bits;
return VK_SUCCESS;
}
static AHardwareBuffer *
vn_android_ahb_allocate(uint32_t width,
uint32_t height,
uint32_t layers,
uint32_t format,
uint64_t usage)
{
AHardwareBuffer *ahb = NULL;
AHardwareBuffer_Desc desc;
int ret = 0;
memset(&desc, 0, sizeof(desc));
desc.width = width;
desc.height = height;
desc.layers = layers;
desc.format = format;
desc.usage = usage;
ret = AHardwareBuffer_allocate(&desc, &ahb);
if (ret) {
/* We just log the error code here for now since the platform falsely
* maps all gralloc allocation failures to oom.
*/
vn_log(NULL, "AHB alloc(w=%u,h=%u,l=%u,f=%u,u=%" PRIu64 ") failed(%d)",
width, height, layers, format, usage, ret);
return NULL;
}
return ahb;
}
bool
vn_android_get_drm_format_modifier_info(
const VkPhysicalDeviceImageFormatInfo2 *format_info,
VkPhysicalDeviceImageDrmFormatModifierInfoEXT *out_info)
{
/* To properly fill VkPhysicalDeviceImageDrmFormatModifierInfoEXT, we have
* to allocate an ahb to retrieve the drm format modifier. For the image
* sharing mode, we assume VK_SHARING_MODE_EXCLUSIVE for now.
*/
AHardwareBuffer *ahb = NULL;
uint32_t format = 0;
uint64_t usage = 0;
struct vn_android_gralloc_buffer_properties buf_props;
assert(format_info->tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT);
format = vn_android_ahb_format_from_vk_format(format_info->format);
if (!format)
return false;
usage = vn_android_get_ahb_usage(format_info->usage, format_info->flags);
ahb = vn_android_ahb_allocate(16, 16, 1, format, usage);
if (!ahb)
return false;
if (!vn_android_gralloc_get_buffer_properties(
AHardwareBuffer_getNativeHandle(ahb), &buf_props)) {
AHardwareBuffer_release(ahb);
return false;
}
*out_info = (VkPhysicalDeviceImageDrmFormatModifierInfoEXT){
.sType =
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT,
.pNext = NULL,
.drmFormatModifier = buf_props.modifier,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = NULL,
};
AHardwareBuffer_release(ahb);
return true;
}
VkResult
vn_android_image_from_ahb(struct vn_device *dev,
const VkImageCreateInfo *create_info,
const VkAllocationCallbacks *alloc,
struct vn_image **out_img)
{
const VkExternalFormatANDROID *ext_info =
vk_find_struct_const(create_info->pNext, EXTERNAL_FORMAT_ANDROID);
VkImageCreateInfo local_info;
if (ext_info && ext_info->externalFormat) {
assert(create_info->format == VK_FORMAT_UNDEFINED);
assert(create_info->imageType == VK_IMAGE_TYPE_2D);
assert(create_info->usage == VK_IMAGE_USAGE_SAMPLED_BIT);
assert(create_info->tiling == VK_IMAGE_TILING_OPTIMAL);
assert(!(create_info->flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT));
local_info = *create_info;
local_info.format =
vn_android_drm_format_to_vk_format(ext_info->externalFormat);
create_info = &local_info;
}
return vn_image_create_deferred(dev, create_info, alloc, out_img);
}
VkResult
vn_android_device_import_ahb(struct vn_device *dev,
struct vn_device_memory *mem,
const VkMemoryAllocateInfo *alloc_info,
const VkAllocationCallbacks *alloc,
struct AHardwareBuffer *ahb,
bool internal_ahb)
{
const VkMemoryDedicatedAllocateInfo *dedicated_info =
vk_find_struct_const(alloc_info->pNext, MEMORY_DEDICATED_ALLOCATE_INFO);
const native_handle_t *handle = NULL;
int dma_buf_fd = -1;
int dup_fd = -1;
uint64_t alloc_size = 0;
uint32_t mem_type_bits = 0;
uint32_t mem_type_index = alloc_info->memoryTypeIndex;
bool force_unmappable = false;
VkResult result = VK_SUCCESS;
handle = AHardwareBuffer_getNativeHandle(ahb);
dma_buf_fd = vn_android_gralloc_get_dma_buf_fd(handle);
if (dma_buf_fd < 0)
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
result = vn_get_memory_dma_buf_properties(dev, dma_buf_fd, &alloc_size,
&mem_type_bits);
if (result != VK_SUCCESS)
return result;
/* If ahb is for an image, finish the deferred image creation first */
if (dedicated_info && dedicated_info->image != VK_NULL_HANDLE) {
struct vn_image *img = vn_image_from_handle(dedicated_info->image);
struct vn_android_image_builder builder;
result = vn_android_get_image_builder(dev, &img->deferred_info->create,
handle, alloc, &builder);
if (result != VK_SUCCESS)
return result;
result = vn_image_init_deferred(dev, &builder.create, img);
if (result != VK_SUCCESS)
return result;
const VkMemoryRequirements *mem_req =
&img->requirements[0].memory.memoryRequirements;
if (alloc_size < mem_req->size) {
vn_log(dev->instance,
"alloc_size(%" PRIu64 ") mem_req->size(%" PRIu64 ")",
alloc_size, mem_req->size);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
alloc_size = mem_req->size;
/* XXX Workaround before spec issue #2762 gets resolved. If importing an
* internally allocated AHB from the exportable path, memoryTypeIndex is
* undefined while defaulting to zero, which can be incompatible with
* the queried memoryTypeBits from the combined memory requirement and
* dma_buf fd properties. Thus we override the requested memoryTypeIndex
* to an applicable one if existed.
*/
if (internal_ahb) {
if ((mem_type_bits & mem_req->memoryTypeBits) == 0) {
vn_log(dev->instance, "memoryTypeBits: img(0x%X) fd(0x%X)",
mem_req->memoryTypeBits, mem_type_bits);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
mem_type_index = ffs(mem_type_bits & mem_req->memoryTypeBits) - 1;
}
/* XXX Workaround before we use cross-domain backend in minigbm. The
* blob_mem allocated from virgl backend can have a queried guest
* mappable size smaller than the size returned from image memory
* requirement.
*/
force_unmappable = true;
}
if (dedicated_info && dedicated_info->buffer != VK_NULL_HANDLE) {
struct vn_buffer *buf = vn_buffer_from_handle(dedicated_info->buffer);
const VkMemoryRequirements *mem_req =
&buf->requirements.memory.memoryRequirements;
if (alloc_size < mem_req->size) {
vn_log(dev->instance,
"alloc_size(%" PRIu64 ") mem_req->size(%" PRIu64 ")",
alloc_size, mem_req->size);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
alloc_size = mem_req->size;
assert((1 << mem_type_index) & mem_req->memoryTypeBits);
}
assert((1 << mem_type_index) & mem_type_bits);
errno = 0;
dup_fd = os_dupfd_cloexec(dma_buf_fd);
if (dup_fd < 0)
return (errno == EMFILE) ? VK_ERROR_TOO_MANY_OBJECTS
: VK_ERROR_OUT_OF_HOST_MEMORY;
/* Spec requires AHB export info to be present, so we must strip it. In
* practice, the AHB import path here only needs the main allocation info
* and the dedicated_info.
*/
VkMemoryDedicatedAllocateInfo local_dedicated_info;
/* Override when dedicated_info exists and is not the tail struct. */
if (dedicated_info && dedicated_info->pNext) {
local_dedicated_info = *dedicated_info;
local_dedicated_info.pNext = NULL;
dedicated_info = &local_dedicated_info;
}
const VkMemoryAllocateInfo local_alloc_info = {
.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
.pNext = dedicated_info,
.allocationSize = alloc_size,
.memoryTypeIndex = mem_type_index,
};
result = vn_device_memory_import_dma_buf(dev, mem, &local_alloc_info,
force_unmappable, dup_fd);
if (result != VK_SUCCESS) {
close(dup_fd);
return result;
}
AHardwareBuffer_acquire(ahb);
mem->ahb = ahb;
return VK_SUCCESS;
}
VkResult
vn_android_device_allocate_ahb(struct vn_device *dev,
struct vn_device_memory *mem,
const VkMemoryAllocateInfo *alloc_info,
const VkAllocationCallbacks *alloc)
{
const VkMemoryDedicatedAllocateInfo *dedicated_info =
vk_find_struct_const(alloc_info->pNext, MEMORY_DEDICATED_ALLOCATE_INFO);
uint32_t width = 0;
uint32_t height = 1;
uint32_t layers = 1;
uint32_t format = 0;
uint64_t usage = 0;
struct AHardwareBuffer *ahb = NULL;
if (dedicated_info && dedicated_info->image != VK_NULL_HANDLE) {
const VkImageCreateInfo *image_info =
&vn_image_from_handle(dedicated_info->image)->deferred_info->create;
assert(image_info);
width = image_info->extent.width;
height = image_info->extent.height;
layers = image_info->arrayLayers;
format = vn_android_ahb_format_from_vk_format(image_info->format);
usage = vn_android_get_ahb_usage(image_info->usage, image_info->flags);
} else {
const VkPhysicalDeviceMemoryProperties *mem_props =
&dev->physical_device->memory_properties.memoryProperties;
assert(alloc_info->memoryTypeIndex < mem_props->memoryTypeCount);
width = alloc_info->allocationSize;
format = AHARDWAREBUFFER_FORMAT_BLOB;
usage = AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
if (mem_props->memoryTypes[alloc_info->memoryTypeIndex].propertyFlags &
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
usage |= AHARDWAREBUFFER_USAGE_CPU_READ_RARELY |
AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY;
}
}
ahb = vn_android_ahb_allocate(width, height, layers, format, usage);
if (!ahb)
return VK_ERROR_OUT_OF_HOST_MEMORY;
VkResult result =
vn_android_device_import_ahb(dev, mem, alloc_info, alloc, ahb, true);
/* ahb alloc has already acquired a ref and import will acquire another,
* must release one here to avoid leak.
*/
AHardwareBuffer_release(ahb);
return result;
}
void
vn_android_release_ahb(struct AHardwareBuffer *ahb)
{
AHardwareBuffer_release(ahb);
}
VkResult
vn_GetMemoryAndroidHardwareBufferANDROID(
VkDevice device,
const VkMemoryGetAndroidHardwareBufferInfoANDROID *pInfo,
struct AHardwareBuffer **pBuffer)
{
struct vn_device_memory *mem = vn_device_memory_from_handle(pInfo->memory);
AHardwareBuffer_acquire(mem->ahb);
*pBuffer = mem->ahb;
return VK_SUCCESS;
}
struct vn_android_buffer_create_info {
VkBufferCreateInfo create;
VkExternalMemoryBufferCreateInfo external;
VkBufferOpaqueCaptureAddressCreateInfo address;
};
static const VkBufferCreateInfo *
vn_android_fix_buffer_create_info(
const VkBufferCreateInfo *create_info,
struct vn_android_buffer_create_info *local_info)
{
local_info->create = *create_info;
VkBaseOutStructure *dst = (void *)&local_info->create;
vk_foreach_struct_const(src, create_info->pNext) {
void *pnext = NULL;
switch (src->sType) {
case VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO:
memcpy(&local_info->external, src, sizeof(local_info->external));
local_info->external.handleTypes =
VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT;
pnext = &local_info->external;
break;
case VK_STRUCTURE_TYPE_BUFFER_OPAQUE_CAPTURE_ADDRESS_CREATE_INFO:
memcpy(&local_info->address, src, sizeof(local_info->address));
pnext = &local_info->address;
break;
default:
break;
}
if (pnext) {
dst->pNext = pnext;
dst = pnext;
}
}
dst->pNext = NULL;
return &local_info->create;
}
VkResult
vn_android_get_ahb_buffer_memory_type_bits(struct vn_device *dev,
uint32_t *out_mem_type_bits)
{
const uint32_t format = AHARDWAREBUFFER_FORMAT_BLOB;
/* ensure dma_buf_memory_type_bits covers host visible usage */
const uint64_t usage = AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER |
AHARDWAREBUFFER_USAGE_CPU_READ_RARELY |
AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY;
AHardwareBuffer *ahb = NULL;
int dma_buf_fd = -1;
uint64_t alloc_size = 0;
uint32_t mem_type_bits = 0;
VkResult result;
ahb = vn_android_ahb_allocate(4096, 1, 1, format, usage);
if (!ahb)
return VK_ERROR_OUT_OF_HOST_MEMORY;
dma_buf_fd =
vn_android_gralloc_get_dma_buf_fd(AHardwareBuffer_getNativeHandle(ahb));
if (dma_buf_fd < 0) {
AHardwareBuffer_release(ahb);
return VK_ERROR_INVALID_EXTERNAL_HANDLE;
}
result = vn_get_memory_dma_buf_properties(dev, dma_buf_fd, &alloc_size,
&mem_type_bits);
AHardwareBuffer_release(ahb);
if (result != VK_SUCCESS)
return result;
*out_mem_type_bits = mem_type_bits;
return VK_SUCCESS;
}
VkResult
vn_android_buffer_from_ahb(struct vn_device *dev,
const VkBufferCreateInfo *create_info,
const VkAllocationCallbacks *alloc,
struct vn_buffer **out_buf)
{
struct vn_android_buffer_create_info local_info;
VkResult result;
create_info = vn_android_fix_buffer_create_info(create_info, &local_info);
result = vn_buffer_create(dev, create_info, alloc, out_buf);
if (result != VK_SUCCESS)
return result;
/* AHB backed buffer layers on top of dma_buf, so here we must comine the
* queried type bits from both buffer memory requirement and dma_buf fd
* properties.
*/
(*out_buf)->requirements.memory.memoryRequirements.memoryTypeBits &=
dev->buffer_cache.ahb_mem_type_bits;
assert((*out_buf)->requirements.memory.memoryRequirements.memoryTypeBits);
return VK_SUCCESS;
}
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