94 lines
2.7 KiB
C++
Executable File
94 lines
2.7 KiB
C++
Executable File
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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namespace Vulkan {
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class Device;
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class Scheduler;
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struct DescriptorUpdateEntry {
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struct Empty {};
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DescriptorUpdateEntry() = default;
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DescriptorUpdateEntry(VkDescriptorImageInfo image_) : image{image_} {}
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DescriptorUpdateEntry(VkDescriptorBufferInfo buffer_) : buffer{buffer_} {}
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DescriptorUpdateEntry(VkBufferView texel_buffer_) : texel_buffer{texel_buffer_} {}
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union {
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Empty empty{};
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VkDescriptorImageInfo image;
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VkDescriptorBufferInfo buffer;
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VkBufferView texel_buffer;
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};
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};
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class UpdateDescriptorQueue final {
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// This should be plenty for the vast majority of cases. Most desktop platforms only
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// provide up to 3 swapchain images.
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static constexpr size_t FRAMES_IN_FLIGHT = 8;
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static constexpr size_t FRAME_PAYLOAD_SIZE = 0x20000;
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static constexpr size_t PAYLOAD_SIZE = FRAME_PAYLOAD_SIZE * FRAMES_IN_FLIGHT;
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public:
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explicit UpdateDescriptorQueue(const Device& device_, Scheduler& scheduler_);
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~UpdateDescriptorQueue();
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void TickFrame();
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void Acquire();
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const DescriptorUpdateEntry* UpdateData() const noexcept {
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return upload_start;
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}
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void AddSampledImage(VkImageView image_view, VkSampler sampler) {
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*(payload_cursor++) = VkDescriptorImageInfo{
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.sampler = sampler,
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.imageView = image_view,
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.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
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};
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}
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void AddImage(VkImageView image_view) {
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*(payload_cursor++) = VkDescriptorImageInfo{
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.sampler = VK_NULL_HANDLE,
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.imageView = image_view,
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.imageLayout = VK_IMAGE_LAYOUT_GENERAL,
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};
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}
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void AddBuffer(VkBuffer buffer, VkDeviceSize offset, VkDeviceSize size) {
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*(payload_cursor++) = VkDescriptorBufferInfo{
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.buffer = buffer,
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.offset = offset,
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.range = size,
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};
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}
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void AddTexelBuffer(VkBufferView texel_buffer) {
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*(payload_cursor++) = texel_buffer;
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}
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private:
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const Device& device;
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Scheduler& scheduler;
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size_t frame_index{0};
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DescriptorUpdateEntry* payload_cursor = nullptr;
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DescriptorUpdateEntry* payload_start = nullptr;
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const DescriptorUpdateEntry* upload_start = nullptr;
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std::array<DescriptorUpdateEntry, PAYLOAD_SIZE> payload;
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};
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// TODO: should these be separate classes instead?
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using GuestDescriptorQueue = UpdateDescriptorQueue;
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using ComputePassDescriptorQueue = UpdateDescriptorQueue;
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} // namespace Vulkan
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