1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "vulkan_image.h"
6
7#include "flutter/vulkan/procs/vulkan_proc_table.h"
8#include "vulkan_command_buffer.h"
9
10namespace vulkan {
11
12VulkanImage::VulkanImage(VulkanHandle<VkImage> image)
13 : handle_(std::move(image)),
14 layout_(VK_IMAGE_LAYOUT_UNDEFINED),
15 access_flags_(0),
16 valid_(false) {
17 if (!handle_) {
18 return;
19 }
20
21 valid_ = true;
22}
23
24VulkanImage::~VulkanImage() = default;
25
26bool VulkanImage::IsValid() const {
27 return valid_;
28}
29
30bool VulkanImage::InsertImageMemoryBarrier(
31 const VulkanCommandBuffer& command_buffer,
32 VkPipelineStageFlagBits src_pipline_bits,
33 VkPipelineStageFlagBits dest_pipline_bits,
34 VkAccessFlags dest_access_flags,
35 VkImageLayout dest_layout) {
36 const VkImageMemoryBarrier image_memory_barrier = {
37 .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
38 .pNext = nullptr,
39 .srcAccessMask = access_flags_,
40 .dstAccessMask = dest_access_flags,
41 .oldLayout = layout_,
42 .newLayout = dest_layout,
43 .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
44 .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
45 .image = handle_,
46 .subresourceRange = {.aspectMask: VK_IMAGE_ASPECT_COLOR_BIT, .baseMipLevel: 0, .levelCount: 1, .baseArrayLayer: 0, .layerCount: 1},
47 };
48
49 bool success = command_buffer.InsertPipelineBarrier(
50 src_stage_flags: src_pipline_bits, // src_stage_flags
51 dest_stage_flags: dest_pipline_bits, // dest_stage_flags
52 dependency_flags: 0, // dependency_flags
53 memory_barrier_count: 0, // memory_barrier_count
54 memory_barriers: nullptr, // memory_barriers
55 buffer_memory_barrier_count: 0, // buffer_memory_barrier_count
56 buffer_memory_barriers: nullptr, // buffer_memory_barriers
57 image_memory_barrier_count: 1, // image_memory_barrier_count
58 image_memory_barriers: &image_memory_barrier // image_memory_barriers
59 );
60
61 if (success) {
62 access_flags_ = dest_access_flags;
63 layout_ = dest_layout;
64 }
65
66 return success;
67}
68
69} // namespace vulkan
70

source code of flutter_engine/flutter/vulkan/vulkan_image.cc