mirror of
https://github.com/morgan9e/grd
synced 2026-04-13 16:04:13 +09:00
258 lines
8.1 KiB
C
258 lines
8.1 KiB
C
/*
|
|
* Copyright (C) 2022 Pascal Nowack
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
* 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "grd-vk-memory.h"
|
|
|
|
#include <gio/gio.h>
|
|
#include <glib/gstdio.h>
|
|
|
|
#include "grd-vk-device.h"
|
|
#include "grd-vk-physical-device.h"
|
|
#include "grd-vk-utils.h"
|
|
|
|
struct _GrdVkMemory
|
|
{
|
|
GObject parent;
|
|
|
|
GrdVkDevice *device;
|
|
|
|
VkDeviceMemory vk_memory;
|
|
VkMemoryPropertyFlagBits memory_flags;
|
|
|
|
void *mapped_pointer;
|
|
};
|
|
|
|
G_DEFINE_TYPE (GrdVkMemory, grd_vk_memory, G_TYPE_OBJECT)
|
|
|
|
VkDeviceMemory
|
|
grd_vk_memory_get_device_memory (GrdVkMemory *memory)
|
|
{
|
|
return memory->vk_memory;
|
|
}
|
|
|
|
VkMemoryPropertyFlagBits
|
|
grd_vk_memory_get_memory_flags (GrdVkMemory *memory)
|
|
{
|
|
return memory->memory_flags;
|
|
}
|
|
|
|
void *
|
|
grd_vk_memory_get_mapped_pointer (GrdVkMemory *memory,
|
|
GError **error)
|
|
{
|
|
VkDevice vk_device = grd_vk_device_get_device (memory->device);
|
|
VkResult vk_result;
|
|
|
|
g_assert (memory->memory_flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
|
|
g_assert (!memory->mapped_pointer);
|
|
|
|
vk_result = vkMapMemory (vk_device, memory->vk_memory, 0, VK_WHOLE_SIZE, 0,
|
|
&memory->mapped_pointer);
|
|
if (vk_result != VK_SUCCESS)
|
|
{
|
|
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
|
"Failed to map memory: %i", vk_result);
|
|
return NULL;
|
|
}
|
|
g_assert (memory->mapped_pointer);
|
|
|
|
return memory->mapped_pointer;
|
|
}
|
|
|
|
static gboolean
|
|
prepare_fd_import (GrdVkMemory *memory,
|
|
const GrdVkMemoryDescriptor *memory_descriptor,
|
|
uint32_t *memory_type_bits,
|
|
VkImportMemoryFdInfoKHR *import_memory_fd_info,
|
|
GError **error)
|
|
{
|
|
GrdVkDeviceFuncs *device_funcs = grd_vk_device_get_device_funcs (memory->device);
|
|
VkDevice vk_device = grd_vk_device_get_device (memory->device);
|
|
VkExternalMemoryHandleTypeFlagBits handle_type =
|
|
memory_descriptor->import_handle_type;
|
|
VkMemoryFdPropertiesKHR fd_properties = {};
|
|
VkResult vk_result;
|
|
|
|
g_assert (vk_device != VK_NULL_HANDLE);
|
|
g_assert (device_funcs->vkGetMemoryFdPropertiesKHR);
|
|
|
|
g_assert (handle_type == VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT ||
|
|
handle_type == VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
|
|
g_assert (memory_descriptor->fd != -1);
|
|
|
|
fd_properties.sType = VK_STRUCTURE_TYPE_MEMORY_FD_PROPERTIES_KHR;
|
|
|
|
vk_result = device_funcs->vkGetMemoryFdPropertiesKHR (vk_device, handle_type,
|
|
memory_descriptor->fd,
|
|
&fd_properties);
|
|
if (vk_result != VK_SUCCESS)
|
|
{
|
|
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
|
|
"Failed to get memory fd properties: %s",
|
|
g_strerror (errno));
|
|
return FALSE;
|
|
}
|
|
*memory_type_bits = fd_properties.memoryTypeBits;
|
|
|
|
import_memory_fd_info->sType = VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR;
|
|
import_memory_fd_info->handleType = handle_type;
|
|
|
|
/*
|
|
* 11.2.5. File Descriptor External Memory
|
|
*
|
|
* Importing memory from a file descriptor transfers ownership of the file
|
|
* descriptor from the application to the Vulkan implementation.
|
|
* The application must not perform any operations on the file descriptor
|
|
* after a successful import.
|
|
* The imported memory object holds a reference to its payload.
|
|
*/
|
|
import_memory_fd_info->fd = dup (memory_descriptor->fd);
|
|
|
|
if (import_memory_fd_info->fd == -1)
|
|
{
|
|
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
|
|
"Failed to duplicate fd: %s", g_strerror (errno));
|
|
return FALSE;
|
|
}
|
|
g_assert (import_memory_fd_info->fd != -1);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
get_memory_type_index (GrdVkMemory *memory,
|
|
uint32_t memory_type_bits,
|
|
VkMemoryPropertyFlagBits memory_flags,
|
|
uint32_t *memory_type_idx,
|
|
GError **error)
|
|
{
|
|
GrdVkPhysicalDevice *physical_device =
|
|
grd_vk_device_get_physical_device (memory->device);
|
|
VkPhysicalDevice vk_physical_device =
|
|
grd_vk_physical_device_get_physical_device (physical_device);
|
|
VkPhysicalDeviceMemoryProperties phys_dev_mem_props = {};
|
|
uint32_t i = 0;
|
|
|
|
vkGetPhysicalDeviceMemoryProperties (vk_physical_device, &phys_dev_mem_props);
|
|
|
|
for (i = 0; i < phys_dev_mem_props.memoryTypeCount; ++i)
|
|
{
|
|
VkMemoryType memory_type = phys_dev_mem_props.memoryTypes[i];
|
|
|
|
if (memory_type_bits & 1 << i &&
|
|
(memory_type.propertyFlags & memory_flags) == memory_flags)
|
|
{
|
|
*memory_type_idx = i;
|
|
memory->memory_flags = memory_type.propertyFlags;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
|
"Failed to find memory type index");
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
GrdVkMemory *
|
|
grd_vk_memory_new (GrdVkDevice *device,
|
|
const GrdVkMemoryDescriptor *memory_descriptor,
|
|
GError **error)
|
|
{
|
|
VkDevice vk_device = grd_vk_device_get_device (device);
|
|
const VkMemoryRequirements *memory_requirements =
|
|
&memory_descriptor->memory_requirements_2->memoryRequirements;
|
|
g_autoptr (GrdVkMemory) memory = NULL;
|
|
VkMemoryAllocateInfo memory_allocate_info = {};
|
|
VkImportMemoryFdInfoKHR import_memory_fd_info = {};
|
|
uint32_t memory_type_bits;
|
|
VkResult vk_result;
|
|
|
|
import_memory_fd_info.fd = -1;
|
|
|
|
memory = g_object_new (GRD_TYPE_VK_MEMORY, NULL);
|
|
memory->device = device;
|
|
|
|
memory_allocate_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
|
memory_allocate_info.allocationSize = memory_requirements->size;
|
|
|
|
memory_type_bits = memory_requirements->memoryTypeBits;
|
|
if (memory_descriptor->import_handle_type)
|
|
{
|
|
if (!prepare_fd_import (memory, memory_descriptor, &memory_type_bits,
|
|
&import_memory_fd_info, error))
|
|
return NULL;
|
|
|
|
grd_vk_append_to_chain (&memory_allocate_info, &import_memory_fd_info);
|
|
}
|
|
|
|
if (!get_memory_type_index (memory, memory_type_bits,
|
|
memory_descriptor->memory_flags,
|
|
&memory_allocate_info.memoryTypeIndex, error))
|
|
{
|
|
g_clear_fd (&import_memory_fd_info.fd, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
vk_result = vkAllocateMemory (vk_device, &memory_allocate_info, NULL,
|
|
&memory->vk_memory);
|
|
if (vk_result != VK_SUCCESS)
|
|
{
|
|
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
|
"Failed to allocate device memory: %i", vk_result);
|
|
g_clear_fd (&import_memory_fd_info.fd, NULL);
|
|
return NULL;
|
|
}
|
|
g_assert (memory->vk_memory != VK_NULL_HANDLE);
|
|
|
|
return g_steal_pointer (&memory);
|
|
}
|
|
|
|
static void
|
|
grd_vk_memory_dispose (GObject *object)
|
|
{
|
|
GrdVkMemory *memory = GRD_VK_MEMORY (object);
|
|
VkDevice vk_device = grd_vk_device_get_device (memory->device);
|
|
|
|
g_assert (vk_device != VK_NULL_HANDLE);
|
|
|
|
if (memory->vk_memory != VK_NULL_HANDLE)
|
|
{
|
|
vkFreeMemory (vk_device, memory->vk_memory, NULL);
|
|
memory->vk_memory = VK_NULL_HANDLE;
|
|
}
|
|
|
|
G_OBJECT_CLASS (grd_vk_memory_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
grd_vk_memory_init (GrdVkMemory *memory)
|
|
{
|
|
}
|
|
|
|
static void
|
|
grd_vk_memory_class_init (GrdVkMemoryClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->dispose = grd_vk_memory_dispose;
|
|
}
|