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// Copyright 2025 Steven Le Rouzic
//
// SPDX-License-Identifier: BSD-3-Clause
#pragma once
#include <asl/base/integers.hpp>
#include <asl/base/utility.hpp>
#include <asl/types/span.hpp>
#include <vulkan.h>
namespace vulkan_sync
{
class DependencyInfoBuilder
{
public:
DependencyInfoBuilder() = default;
ASL_DEFAULT_COPY_MOVE(DependencyInfoBuilder);
virtual ~DependencyInfoBuilder() = default;
virtual void add_image_barrier(const VkImageMemoryBarrier2&) = 0;
virtual void add_buffer_barrier(const VkBufferMemoryBarrier2&) = 0;
};
struct ResourceState
{
VkAccessFlags2 last_writer_access_mask{};
VkPipelineStageFlags2 last_writer_pipeline_stage_mask{};
VkAccessFlags2 active_readers_access_mask{};
VkPipelineStageFlags2 active_readers_pipeline_stage_mask{};
// Which StageAccess-es have seen the previous write.
uint32_t has_seen_last_write{};
};
struct BufferState : public ResourceState {};
struct ImageState : public ResourceState
{
VkImageLayout current_layout = VK_IMAGE_LAYOUT_UNDEFINED;
};
enum class Usage : uint32_t
{
kImageClear,
kImagePresent,
kImageSampledInFragmentShader,
kImageSampledInVertexShader,
kImageColorWriteAttachment,
kCount_,
};
void synchronize_resource(
VkImage, VkImageAspectFlags,
ImageState*, Usage new_usage, DependencyInfoBuilder*);
void synchronize_resource(
VkBuffer, BufferState*,
Usage new_usage, DependencyInfoBuilder*);
} // namespace vulkan_sync
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