gstreamer/ext/vulkan/vkelementutils.c
Matthew Waters 34ff895040 vulkan: remove VkImageView from the memory
There can be multiple views per image for different subresource ranges
or planes in multi-planer images.
2019-09-25 11:11:02 +00:00

98 lines
3.3 KiB
C

/*
* GStreamer
* Copyright (C) 2019 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 "vkelementutils.h"
static void
fill_vulkan_image_view_info (VkImage image, VkFormat format,
VkImageViewCreateInfo * info)
{
/* *INDENT-OFF* */
*info = (VkImageViewCreateInfo) {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = NULL,
.image = image,
.format = format,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.flags = 0,
.components = (VkComponentMapping) {
VK_COMPONENT_SWIZZLE_R,
VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A
},
.subresourceRange = (VkImageSubresourceRange) {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1,
}
};
/* *INDENT-ON* */
}
static gboolean
find_compatible_view (GstVulkanImageView * view, VkImageViewCreateInfo * info)
{
return view->create_info.image == info->image
&& view->create_info.format == info->format
&& view->create_info.viewType == info->viewType
&& view->create_info.flags == info->flags
&& view->create_info.components.r == info->components.r
&& view->create_info.components.g == info->components.g
&& view->create_info.components.b == info->components.b
&& view->create_info.components.a == info->components.a
&& view->create_info.subresourceRange.aspectMask ==
info->subresourceRange.aspectMask
&& view->create_info.subresourceRange.baseMipLevel ==
info->subresourceRange.baseMipLevel
&& view->create_info.subresourceRange.levelCount ==
info->subresourceRange.levelCount
&& view->create_info.subresourceRange.levelCount ==
info->subresourceRange.levelCount
&& view->create_info.subresourceRange.baseArrayLayer ==
info->subresourceRange.baseArrayLayer
&& view->create_info.subresourceRange.layerCount ==
info->subresourceRange.layerCount;
}
GstVulkanImageView *
get_or_create_image_view (GstVulkanImageMemory * image)
{
VkImageViewCreateInfo create_info;
GstVulkanImageView *ret = NULL;
fill_vulkan_image_view_info (image->image, image->create_info.format,
&create_info);
ret = gst_vulkan_image_memory_find_view (image,
(GstVulkanImageMemoryFindViewFunc) find_compatible_view, &create_info);
if (!ret) {
ret = gst_vulkan_image_view_new (image, &create_info);
gst_vulkan_image_memory_add_view (image, ret);
}
return ret;
}