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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "video_core/renderer_vulkan/declarations.h"
namespace Vulkan {
class VKDevice;
class VKScheduler;
class VKImage {
public:
explicit VKImage(const VKDevice& device, VKScheduler& scheduler,
const vk::ImageCreateInfo& image_ci, vk::ImageAspectFlags aspect_mask);
~VKImage();
/// Records in the passed command buffer an image transition and updates the state of the image.
void Transition(u32 base_layer, u32 num_layers, u32 base_level, u32 num_levels,
vk::PipelineStageFlags new_stage_mask, vk::AccessFlags new_access,
vk::ImageLayout new_layout);
/// Returns a view compatible with presentation, the image has to be 2D.
vk::ImageView GetPresentView() {
if (!present_view) {
CreatePresentView();
}
return *present_view;
}
/// Returns the Vulkan image handler.
vk::Image GetHandle() const {
return *image;
}
/// Returns the Vulkan format for this image.
vk::Format GetFormat() const {
return format;
}
/// Returns the Vulkan aspect mask.
vk::ImageAspectFlags GetAspectMask() const {
return aspect_mask;
}
private:
struct SubrangeState final {
vk::AccessFlags access = {}; ///< Current access bits.
vk::ImageLayout layout = vk::ImageLayout::eUndefined; ///< Current image layout.
};
bool HasChanged(u32 base_layer, u32 num_layers, u32 base_level, u32 num_levels,
vk::AccessFlags new_access, vk::ImageLayout new_layout) noexcept;
/// Creates a presentation view.
void CreatePresentView();
/// Returns the subrange state for a layer and layer.
SubrangeState& GetSubrangeState(u32 layer, u32 level) noexcept;
const VKDevice& device; ///< Device handler.
VKScheduler& scheduler; ///< Device scheduler.
const vk::Format format; ///< Vulkan format.
const vk::ImageAspectFlags aspect_mask; ///< Vulkan aspect mask.
const u32 image_num_layers; ///< Number of layers.
const u32 image_num_levels; ///< Number of mipmap levels.
UniqueImage image; ///< Image handle.
UniqueImageView present_view; ///< Image view compatible with presentation.
std::vector<vk::ImageMemoryBarrier> barriers; ///< Pool of barriers.
std::vector<SubrangeState> subrange_states; ///< Current subrange state.
bool state_diverged = false; ///< True when subresources mismatch in layout.
};
} // namespace Vulkan
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