gstreamer/ext/vulkan/vkimagememory.c

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/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "vkimagememory.h"
/**
* SECTION:vkimagememory
* @title: GstVkImageMemory
* @short_description: memory subclass for Vulkan image memory
* @see_also: #GstMemory, #GstAllocator
*
* GstVulkanImageMemory is a #GstMemory subclass providing support for the
* mapping of Vulkan device memory.
*/
#define GST_CAT_DEFUALT GST_CAT_VULKAN_IMAGE_MEMORY
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFUALT);
static GstAllocator *_vulkan_image_memory_allocator;
VkFormat
gst_vulkan_format_from_video_format (GstVideoFormat v_format, guint plane)
{
guint n_plane_components;
switch (v_format) {
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_AYUV:
n_plane_components = 4;
break;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
n_plane_components = 3;
break;
case GST_VIDEO_FORMAT_RGB16:
case GST_VIDEO_FORMAT_BGR16:
return VK_FORMAT_R5G6B5_UNORM_PACK16;
case GST_VIDEO_FORMAT_GRAY16_BE:
case GST_VIDEO_FORMAT_GRAY16_LE:
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
n_plane_components = 2;
break;
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
n_plane_components = plane == 0 ? 1 : 2;
break;
case GST_VIDEO_FORMAT_GRAY8:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y41B:
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
n_plane_components = 1;
break;
default:
n_plane_components = 4;
g_assert_not_reached ();
break;
}
switch (n_plane_components) {
case 4:
return VK_FORMAT_R8G8B8A8_UNORM;
case 3:
return VK_FORMAT_R8G8B8_UNORM;
case 2:
return VK_FORMAT_R8G8_UNORM;
case 1:
return VK_FORMAT_R8_UNORM;
default:
g_assert_not_reached ();
return VK_FORMAT_R8G8B8A8_UNORM;
}
}
static void
_view_create_info (VkImage image, VkFormat format, VkImageViewCreateInfo * info)
{
info->sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
info->pNext = NULL;
info->image = image;
info->format = format;
info->viewType = VK_IMAGE_VIEW_TYPE_2D;
info->flags = 0;
GST_VK_COMPONENT_MAPPING (info->components, VK_COMPONENT_SWIZZLE_R,
VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A);
GST_VK_IMAGE_SUBRESOURCE_RANGE (info->subresourceRange,
VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1);
}
static gboolean
_create_info_from_args (VkImageCreateInfo * info, VkFormat format, gsize width,
gsize height, VkImageTiling tiling, VkImageUsageFlags usage)
{
/* FIXME: validate these */
info->sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
info->pNext = NULL;
info->flags = 0;
info->imageType = VK_IMAGE_TYPE_2D;
info->format = format;
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GST_VK_EXTENT3D (info->extent, width, height, 1);
info->mipLevels = 1;
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info->arrayLayers = 1;
info->samples = VK_SAMPLE_COUNT_1_BIT;
info->tiling = tiling;
info->usage = usage;
info->sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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info->queueFamilyIndexCount = 0;
info->pQueueFamilyIndices = NULL;
info->initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
return TRUE;
}
static void
_vk_image_mem_init (GstVulkanImageMemory * mem, GstAllocator * allocator,
GstMemory * parent, GstVulkanDevice * device, VkImageUsageFlags usage,
GstAllocationParams * params, gsize size, gpointer user_data,
GDestroyNotify notify)
{
gsize align = gst_memory_alignment, offset = 0, maxsize = size;
GstMemoryFlags flags = 0;
if (params) {
flags = params->flags;
align |= params->align;
offset = params->prefix;
maxsize += params->prefix + params->padding + align;
}
gst_memory_init (GST_MEMORY_CAST (mem), flags, allocator, parent, maxsize,
align, offset, size);
mem->device = gst_object_ref (device);
mem->image_layout = VK_IMAGE_LAYOUT_UNDEFINED;
mem->usage = usage;
mem->wrapped = FALSE;
mem->notify = notify;
mem->user_data = user_data;
g_mutex_init (&mem->lock);
GST_CAT_DEBUG (GST_CAT_VULKAN_IMAGE_MEMORY,
"new Vulkan Image memory:%p size:%" G_GSIZE_FORMAT, mem, maxsize);
}
static GstVulkanImageMemory *
_vk_image_mem_new_alloc (GstAllocator * allocator, GstMemory * parent,
GstVulkanDevice * device, VkFormat format, gsize width, gsize height,
VkImageTiling tiling, VkImageUsageFlags usage,
VkMemoryPropertyFlags mem_prop_flags, gpointer user_data,
GDestroyNotify notify)
{
GstVulkanImageMemory *mem = NULL;
GstAllocationParams params = { 0, };
VkImageViewCreateInfo view_info;
VkImageCreateInfo image_info;
VkPhysicalDevice gpu;
GError *error = NULL;
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guint32 type_idx;
VkImage image;
VkResult err;
gpu = gst_vulkan_device_get_physical_device (device);
if (!_create_info_from_args (&image_info, format, width, height, tiling,
usage)) {
GST_CAT_ERROR (GST_CAT_VULKAN_IMAGE_MEMORY, "Incorrect image parameters");
goto error;
}
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err = vkCreateImage (device->device, &image_info, NULL, &image);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateImage") < 0)
goto vk_error;
mem = g_new0 (GstVulkanImageMemory, 1);
_vk_image_mem_init (mem, allocator, parent, device, usage, &params,
mem->requirements.size, user_data, notify);
mem->create_info = image_info;
mem->image = image;
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vkGetImageMemoryRequirements (device->device, image, &mem->requirements);
err = vkGetPhysicalDeviceImageFormatProperties (gpu, format, VK_IMAGE_TYPE_2D,
tiling, usage, 0, &mem->format_properties);
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if (gst_vulkan_error_to_g_error (err, &error,
"vkGetPhysicalDeviceImageFormatProperties") < 0)
goto vk_error;
if (!gst_vulkan_memory_find_memory_type_index_with_type_properties (device,
mem->requirements.memoryTypeBits, mem_prop_flags, &type_idx))
goto error;
/* XXX: assumes alignment is a power of 2 */
params.align = mem->requirements.alignment - 1;
mem->vk_mem = (GstVulkanMemory *) gst_vulkan_memory_alloc (device, type_idx,
&params, mem->requirements.size, mem_prop_flags);
if (!mem->vk_mem)
goto error;
err = vkBindImageMemory (device->device, image, mem->vk_mem->mem_ptr, 0);
if (gst_vulkan_error_to_g_error (err, &error, "vkBindImageMemory") < 0)
goto vk_error;
if (usage & (VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_STORAGE_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
_view_create_info (mem->image, format, &view_info);
err = vkCreateImageView (device->device, &view_info, NULL, &mem->view);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateImageView") < 0)
goto vk_error;
}
return mem;
vk_error:
{
GST_CAT_ERROR (GST_CAT_VULKAN_IMAGE_MEMORY,
"Failed to allocate image memory %s", error->message);
g_clear_error (&error);
goto error;
}
error:
{
if (mem)
gst_memory_unref ((GstMemory *) mem);
return NULL;
}
}
static GstVulkanImageMemory *
_vk_image_mem_new_wrapped (GstAllocator * allocator, GstMemory * parent,
GstVulkanDevice * device, VkImage image, VkFormat format, gsize width,
gsize height, VkImageTiling tiling, VkImageUsageFlags usage,
gpointer user_data, GDestroyNotify notify)
{
GstVulkanImageMemory *mem = g_new0 (GstVulkanImageMemory, 1);
GstAllocationParams params = { 0, };
VkImageViewCreateInfo view_info;
VkPhysicalDevice gpu;
GError *error = NULL;
VkResult err;
gpu = gst_vulkan_device_get_physical_device (device);
mem->image = image;
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vkGetImageMemoryRequirements (device->device, mem->image, &mem->requirements);
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/* XXX: assumes alignment is a power of 2 */
params.align = mem->requirements.alignment - 1;
params.flags = GST_MEMORY_FLAG_NOT_MAPPABLE;
_vk_image_mem_init (mem, allocator, parent, device, usage, &params,
mem->requirements.size, user_data, notify);
mem->wrapped = TRUE;
if (!_create_info_from_args (&mem->create_info, format, width, height, tiling,
usage)) {
GST_CAT_ERROR (GST_CAT_VULKAN_IMAGE_MEMORY, "Incorrect image parameters");
goto error;
}
err = vkGetPhysicalDeviceImageFormatProperties (gpu, format, VK_IMAGE_TYPE_2D,
tiling, usage, 0, &mem->format_properties);
if (gst_vulkan_error_to_g_error (err, &error,
"vkGetPhysicalDeviceImageFormatProperties") < 0)
goto vk_error;
/* XXX: we don't actually if the image has a vkDeviceMemory bound so
* this may fail */
if (usage & (VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_STORAGE_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
_view_create_info (mem->image, format, &view_info);
err = vkCreateImageView (device->device, &view_info, NULL, &mem->view);
if (gst_vulkan_error_to_g_error (err, &error, "vkCreateImageView") < 0)
goto vk_error;
}
return mem;
vk_error:
{
GST_CAT_ERROR (GST_CAT_VULKAN_IMAGE_MEMORY,
"Failed to allocate image memory %s", error->message);
g_clear_error (&error);
goto error;
}
error:
{
gst_memory_unref ((GstMemory *) mem);
return NULL;
}
}
static gpointer
_vk_image_mem_map_full (GstVulkanImageMemory * mem, GstMapInfo * info,
gsize size)
{
GstMapInfo *vk_map_info;
/* FIXME: possible layout transformation needed */
g_mutex_lock (&mem->lock);
if (!mem->vk_mem) {
g_mutex_unlock (&mem->lock);
return NULL;
}
vk_map_info = g_new0 (GstMapInfo, 1);
info->user_data[0] = vk_map_info;
if (!gst_memory_map ((GstMemory *) mem->vk_mem, vk_map_info, info->flags)) {
g_free (vk_map_info);
g_mutex_unlock (&mem->lock);
return NULL;
}
g_mutex_unlock (&mem->lock);
return vk_map_info->data;
}
static void
_vk_image_mem_unmap_full (GstVulkanImageMemory * mem, GstMapInfo * info)
{
g_mutex_lock (&mem->lock);
gst_memory_unmap ((GstMemory *) mem->vk_mem, info->user_data[0]);
g_mutex_unlock (&mem->lock);
g_free (info->user_data[0]);
}
static GstMemory *
_vk_image_mem_copy (GstVulkanImageMemory * src, gssize offset, gssize size)
{
return NULL;
}
static GstMemory *
_vk_image_mem_share (GstVulkanImageMemory * mem, gssize offset, gssize size)
{
return NULL;
}
static gboolean
_vk_image_mem_is_span (GstVulkanImageMemory * mem1, GstVulkanImageMemory * mem2,
gsize * offset)
{
return FALSE;
}
static GstMemory *
_vk_image_mem_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
g_critical ("Subclass should override GstAllocatorClass::alloc() function");
return NULL;
}
static void
_vk_image_mem_free (GstAllocator * allocator, GstMemory * memory)
{
GstVulkanImageMemory *mem = (GstVulkanImageMemory *) memory;
GST_CAT_TRACE (GST_CAT_VULKAN_IMAGE_MEMORY, "freeing image memory:%p "
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"id:%" G_GUINT64_FORMAT, mem, (guint64) mem->image);
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if (mem->image && !mem->wrapped)
vkDestroyImage (mem->device->device, mem->image, NULL);
if (mem->view)
vkDestroyImageView (mem->device->device, mem->view, NULL);
if (mem->vk_mem)
gst_memory_unref ((GstMemory *) mem->vk_mem);
if (mem->notify)
mem->notify (mem->user_data);
gst_object_unref (mem->device);
g_free (mem);
}
static VkAccessFlags
_access_flags_from_layout (VkImageLayout image_layout)
{
if (image_layout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL)
return VK_ACCESS_TRANSFER_WRITE_BIT;
if (image_layout == VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL)
return VK_ACCESS_TRANSFER_READ_BIT;
if (image_layout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL)
return VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
if (image_layout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL)
return VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
if (image_layout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
return VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_INPUT_ATTACHMENT_READ_BIT;
return 0;
}
gboolean
gst_vulkan_image_memory_set_layout (GstVulkanImageMemory * vk_mem,
VkImageLayout image_layout, VkImageMemoryBarrier * barrier)
{
/* validate vk_mem->usage with image_layout */
barrier->sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier->pNext = NULL;
barrier->dstAccessMask = _access_flags_from_layout (image_layout);
barrier->srcAccessMask = _access_flags_from_layout (vk_mem->image_layout);
barrier->oldLayout = vk_mem->image_layout;
barrier->newLayout = image_layout;
barrier->srcQueueFamilyIndex = 0;
barrier->dstQueueFamilyIndex = 0;
barrier->image = vk_mem->image;
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GST_VK_IMAGE_SUBRESOURCE_RANGE (barrier->subresourceRange,
VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1);
/* FIXME: what if the barrier is never submitted or is submitted out of order? */
vk_mem->image_layout = image_layout;
return TRUE;
}
/**
* gst_vulkan_image_memory_alloc:
*
* Allocated a new #GstVulkanImageMemory.
*
* Returns: a #GstMemory object backed by a vulkan device memory
*/
GstMemory *
gst_vulkan_image_memory_alloc (GstVulkanDevice * device, VkFormat format,
gsize width, gsize height, VkImageTiling tiling, VkImageUsageFlags usage,
VkMemoryPropertyFlags mem_prop_flags)
{
GstVulkanImageMemory *mem;
mem = _vk_image_mem_new_alloc (_vulkan_image_memory_allocator, NULL, device,
format, width, height, tiling, usage, mem_prop_flags, NULL, NULL);
return (GstMemory *) mem;
}
GstMemory *
gst_vulkan_image_memory_wrapped (GstVulkanDevice * device, VkImage image,
VkFormat format, gsize width, gsize height, VkImageTiling tiling,
VkImageUsageFlags usage, gpointer user_data, GDestroyNotify notify)
{
GstVulkanImageMemory *mem;
mem = _vk_image_mem_new_wrapped (_vulkan_image_memory_allocator, NULL, device,
image, format, width, height, tiling, usage, user_data, notify);
return (GstMemory *) mem;
}
guint32
gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image)
{
g_return_val_if_fail (gst_is_vulkan_image_memory (GST_MEMORY_CAST (image)),
0);
return image->create_info.extent.width;
}
guint32
gst_vulkan_image_memory_get_height (GstVulkanImageMemory * image)
{
g_return_val_if_fail (gst_is_vulkan_image_memory (GST_MEMORY_CAST (image)),
0);
return image->create_info.extent.height;
}
G_DEFINE_TYPE (GstVulkanImageMemoryAllocator, gst_vulkan_image_memory_allocator,
GST_TYPE_ALLOCATOR);
static void
gst_vulkan_image_memory_allocator_class_init (GstVulkanImageMemoryAllocatorClass
* klass)
{
GstAllocatorClass *allocator_class = (GstAllocatorClass *) klass;
allocator_class->alloc = _vk_image_mem_alloc;
allocator_class->free = _vk_image_mem_free;
}
static void
gst_vulkan_image_memory_allocator_init (GstVulkanImageMemoryAllocator *
allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME;
alloc->mem_map_full = (GstMemoryMapFullFunction) _vk_image_mem_map_full;
alloc->mem_unmap_full = (GstMemoryUnmapFullFunction) _vk_image_mem_unmap_full;
alloc->mem_copy = (GstMemoryCopyFunction) _vk_image_mem_copy;
alloc->mem_share = (GstMemoryShareFunction) _vk_image_mem_share;
alloc->mem_is_span = (GstMemoryIsSpanFunction) _vk_image_mem_is_span;
}
/**
* gst_vulkan_image_memory_init_once:
*
* Initializes the Vulkan memory allocator. It is safe to call this function
* multiple times. This must be called before any other #GstVulkanImageMemory operation.
*/
void
gst_vulkan_image_memory_init_once (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (GST_CAT_VULKAN_IMAGE_MEMORY, "vulkanimagememory",
0, "Vulkan Image Memory");
_vulkan_image_memory_allocator =
g_object_new (gst_vulkan_image_memory_allocator_get_type (), NULL);
gst_allocator_register (GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME,
gst_object_ref (_vulkan_image_memory_allocator));
g_once_init_leave (&_init, 1);
}
}
/**
* gst_is_vulkan_image_memory:
* @mem:a #GstMemory
*
* Returns: whether the memory at @mem is a #GstVulkanImageMemory
*/
gboolean
gst_is_vulkan_image_memory (GstMemory * mem)
{
return mem != NULL && mem->allocator != NULL &&
g_type_is_a (G_OBJECT_TYPE (mem->allocator),
GST_TYPE_VULKAN_IMAGE_MEMORY_ALLOCATOR);
}