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34ff895040
There can be multiple views per image for different subresource ranges or planes in multi-planer images.
99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "vkelementutils.h"
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static void
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fill_vulkan_image_view_info (VkImage image, VkFormat format,
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VkImageViewCreateInfo * info)
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{
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/* *INDENT-OFF* */
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*info = (VkImageViewCreateInfo) {
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.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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.pNext = NULL,
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.image = image,
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.format = format,
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.viewType = VK_IMAGE_VIEW_TYPE_2D,
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.flags = 0,
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.components = (VkComponentMapping) {
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VK_COMPONENT_SWIZZLE_R,
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VK_COMPONENT_SWIZZLE_G,
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VK_COMPONENT_SWIZZLE_B,
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VK_COMPONENT_SWIZZLE_A
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},
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.subresourceRange = (VkImageSubresourceRange) {
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = 1,
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.baseArrayLayer = 0,
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.layerCount = 1,
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}
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};
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/* *INDENT-ON* */
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}
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static gboolean
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find_compatible_view (GstVulkanImageView * view, VkImageViewCreateInfo * info)
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{
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return view->create_info.image == info->image
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&& view->create_info.format == info->format
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&& view->create_info.viewType == info->viewType
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&& view->create_info.flags == info->flags
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&& view->create_info.components.r == info->components.r
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&& view->create_info.components.g == info->components.g
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&& view->create_info.components.b == info->components.b
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&& view->create_info.components.a == info->components.a
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&& view->create_info.subresourceRange.aspectMask ==
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info->subresourceRange.aspectMask
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&& view->create_info.subresourceRange.baseMipLevel ==
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info->subresourceRange.baseMipLevel
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&& view->create_info.subresourceRange.levelCount ==
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info->subresourceRange.levelCount
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&& view->create_info.subresourceRange.levelCount ==
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info->subresourceRange.levelCount
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&& view->create_info.subresourceRange.baseArrayLayer ==
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info->subresourceRange.baseArrayLayer
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&& view->create_info.subresourceRange.layerCount ==
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info->subresourceRange.layerCount;
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}
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GstVulkanImageView *
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get_or_create_image_view (GstVulkanImageMemory * image)
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{
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VkImageViewCreateInfo create_info;
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GstVulkanImageView *ret = NULL;
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fill_vulkan_image_view_info (image->image, image->create_info.format,
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&create_info);
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ret = gst_vulkan_image_memory_find_view (image,
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(GstVulkanImageMemoryFindViewFunc) find_compatible_view, &create_info);
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if (!ret) {
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ret = gst_vulkan_image_view_new (image, &create_info);
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gst_vulkan_image_memory_add_view (image, ret);
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}
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return ret;
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}
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