mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 14:26:43 +00:00
34ff895040
There can be multiple views per image for different subresource ranges or planes in multi-planer images.
98 lines
3.3 KiB
C
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;
|
|
}
|