96 lines
3.6 KiB
C++
96 lines
3.6 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <unordered_map>
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#include <boost/container/static_vector.hpp>
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#include "video_core/renderer_vulkan/maxwell_to_vk.h"
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#include "video_core/renderer_vulkan/vk_render_pass_cache.h"
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#include "video_core/surface.h"
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#include "video_core/vulkan_common/vulkan_device.h"
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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namespace Vulkan {
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namespace {
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using VideoCore::Surface::PixelFormat;
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VkAttachmentDescription AttachmentDescription(const Device& device, PixelFormat format,
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VkSampleCountFlagBits samples) {
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using MaxwellToVK::SurfaceFormat;
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return {
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.flags = VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT,
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.format = SurfaceFormat(device, FormatType::Optimal, true, format).format,
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.samples = samples,
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.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD,
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.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
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.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD,
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.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE,
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.initialLayout = VK_IMAGE_LAYOUT_GENERAL,
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.finalLayout = VK_IMAGE_LAYOUT_GENERAL,
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};
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}
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} // Anonymous namespace
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RenderPassCache::RenderPassCache(const Device& device_) : device{&device_} {}
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VkRenderPass RenderPassCache::Get(const RenderPassKey& key) {
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std::lock_guard lock{mutex};
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const auto [pair, is_new] = cache.try_emplace(key);
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if (!is_new) {
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return *pair->second;
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}
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boost::container::static_vector<VkAttachmentDescription, 9> descriptions;
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std::array<VkAttachmentReference, 8> references{};
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u32 num_attachments{};
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u32 num_colors{};
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for (size_t index = 0; index < key.color_formats.size(); ++index) {
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const PixelFormat format{key.color_formats[index]};
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const bool is_valid{format != PixelFormat::Invalid};
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references[index] = VkAttachmentReference{
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.attachment = is_valid ? num_colors : VK_ATTACHMENT_UNUSED,
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.layout = VK_IMAGE_LAYOUT_GENERAL,
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};
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if (is_valid) {
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descriptions.push_back(AttachmentDescription(*device, format, key.samples));
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num_attachments = static_cast<u32>(index + 1);
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++num_colors;
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}
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}
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const bool has_depth{key.depth_format != PixelFormat::Invalid};
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VkAttachmentReference depth_reference{};
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if (key.depth_format != PixelFormat::Invalid) {
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depth_reference = VkAttachmentReference{
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.attachment = num_colors,
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.layout = VK_IMAGE_LAYOUT_GENERAL,
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};
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descriptions.push_back(AttachmentDescription(*device, key.depth_format, key.samples));
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}
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const VkSubpassDescription subpass{
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.flags = 0,
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.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
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.inputAttachmentCount = 0,
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.pInputAttachments = nullptr,
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.colorAttachmentCount = num_attachments,
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.pColorAttachments = references.data(),
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.pResolveAttachments = nullptr,
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.pDepthStencilAttachment = has_depth ? &depth_reference : nullptr,
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.preserveAttachmentCount = 0,
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.pPreserveAttachments = nullptr,
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};
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pair->second = device->GetLogical().CreateRenderPass({
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.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.attachmentCount = static_cast<u32>(descriptions.size()),
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.pAttachments = descriptions.empty() ? nullptr : descriptions.data(),
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.subpassCount = 1,
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.pSubpasses = &subpass,
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.dependencyCount = 0,
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.pDependencies = nullptr,
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});
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return *pair->second;
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}
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} // namespace Vulkan
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