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vk_renderpass_cache: Initial implementation 

The renderpass cache is used to avoid creating renderpasses on each
draw. The hashed structure is not currently optimized.
This commit is contained in:
ReinUsesLisp 2020-01-05 17:32:08 -03:00
parent 322d6a0311
commit 5aeff9aff5
3 changed files with 199 additions and 0 deletions
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2
src/video_core/CMakeLists.txt
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@ -163,6 +163,8 @@ if (ENABLE_VULKAN)
renderer_vulkan/vk_image.h
renderer_vulkan/vk_memory_manager.cpp
renderer_vulkan/vk_memory_manager.h
renderer_vulkan/vk_renderpass_cache.cpp
renderer_vulkan/vk_renderpass_cache.h
renderer_vulkan/vk_resource_manager.cpp
renderer_vulkan/vk_resource_manager.h
renderer_vulkan/vk_sampler_cache.cpp

100
src/video_core/renderer_vulkan/vk_renderpass_cache.cpp Normal file
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@ -0,0 +1,100 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <vector>
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_vulkan/declarations.h"
#include "video_core/renderer_vulkan/maxwell_to_vk.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_renderpass_cache.h"
namespace Vulkan {
VKRenderPassCache::VKRenderPassCache(const VKDevice& device) : device{device} {}
VKRenderPassCache::~VKRenderPassCache() = default;
vk::RenderPass VKRenderPassCache::GetRenderPass(const RenderPassParams& params) {
const auto [pair, is_cache_miss] = cache.try_emplace(params);
auto& entry = pair->second;
if (is_cache_miss) {
entry = CreateRenderPass(params);
}
return *entry;
}
UniqueRenderPass VKRenderPassCache::CreateRenderPass(const RenderPassParams& params) const {
std::vector<vk::AttachmentDescription> descriptors;
std::vector<vk::AttachmentReference> color_references;
for (std::size_t rt = 0; rt < params.color_attachments.size(); ++rt) {
const auto attachment = params.color_attachments[rt];
const auto format =
MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, attachment.pixel_format);
ASSERT_MSG(format.attachable, "Trying to attach a non-attachable format with format={}",
static_cast<u32>(attachment.pixel_format));
// TODO(Rodrigo): Add eMayAlias when it's needed.
const auto color_layout = attachment.is_texception
? vk::ImageLayout::eGeneral
: vk::ImageLayout::eColorAttachmentOptimal;
descriptors.emplace_back(vk::AttachmentDescriptionFlagBits::eMayAlias, format.format,
vk::SampleCountFlagBits::e1, vk::AttachmentLoadOp::eLoad,
vk::AttachmentStoreOp::eStore, vk::AttachmentLoadOp::eDontCare,
vk::AttachmentStoreOp::eDontCare, color_layout, color_layout);
color_references.emplace_back(static_cast<u32>(rt), color_layout);
}
vk::AttachmentReference zeta_attachment_ref;
if (params.has_zeta) {
const auto format =
MaxwellToVK::SurfaceFormat(device, FormatType::Optimal, params.zeta_pixel_format);
ASSERT_MSG(format.attachable, "Trying to attach a non-attachable format with format={}",
static_cast<u32>(params.zeta_pixel_format));
const auto zeta_layout = params.zeta_texception
? vk::ImageLayout::eGeneral
: vk::ImageLayout::eDepthStencilAttachmentOptimal;
descriptors.emplace_back(vk::AttachmentDescriptionFlags{}, format.format,
vk::SampleCountFlagBits::e1, vk::AttachmentLoadOp::eLoad,
vk::AttachmentStoreOp::eStore, vk::AttachmentLoadOp::eLoad,
vk::AttachmentStoreOp::eStore, zeta_layout, zeta_layout);
zeta_attachment_ref =
vk::AttachmentReference(static_cast<u32>(params.color_attachments.size()), zeta_layout);
}
const vk::SubpassDescription subpass_description(
{}, vk::PipelineBindPoint::eGraphics, 0, nullptr, static_cast<u32>(color_references.size()),
color_references.data(), nullptr, params.has_zeta ? &zeta_attachment_ref : nullptr, 0,
nullptr);
vk::AccessFlags access;
vk::PipelineStageFlags stage;
if (!color_references.empty()) {
access |=
vk::AccessFlagBits::eColorAttachmentRead | vk::AccessFlagBits::eColorAttachmentWrite;
stage |= vk::PipelineStageFlagBits::eColorAttachmentOutput;
}
if (params.has_zeta) {
access |= vk::AccessFlagBits::eDepthStencilAttachmentRead |
vk::AccessFlagBits::eDepthStencilAttachmentWrite;
stage |= vk::PipelineStageFlagBits::eLateFragmentTests;
}
const vk::SubpassDependency subpass_dependency(VK_SUBPASS_EXTERNAL, 0, stage, stage, {}, access,
{});
const vk::RenderPassCreateInfo create_info({}, static_cast<u32>(descriptors.size()),
descriptors.data(), 1, &subpass_description, 1,
&subpass_dependency);
const auto dev = device.GetLogical();
const auto& dld = device.GetDispatchLoader();
return dev.createRenderPassUnique(create_info, nullptr, dld);
}
} // namespace Vulkan

97
src/video_core/renderer_vulkan/vk_renderpass_cache.h Normal file
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@ -0,0 +1,97 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <tuple>
#include <unordered_map>
#include <boost/container/static_vector.hpp>
#include <boost/functional/hash.hpp>
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_vulkan/declarations.h"
#include "video_core/surface.h"
namespace Vulkan {
class VKDevice;
// TODO(Rodrigo): Optimize this structure for faster hashing
struct RenderPassParams {
struct ColorAttachment {
u32 index = 0;
VideoCore::Surface::PixelFormat pixel_format = VideoCore::Surface::PixelFormat::Invalid;
bool is_texception = false;
std::size_t Hash() const noexcept {
return static_cast<std::size_t>(pixel_format) |
static_cast<std::size_t>(is_texception) << 6 |
static_cast<std::size_t>(index) << 7;
}
bool operator==(const ColorAttachment& rhs) const noexcept {
return std::tie(index, pixel_format, is_texception) ==
std::tie(rhs.index, rhs.pixel_format, rhs.is_texception);
}
};
boost::container::static_vector<ColorAttachment,
Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
color_attachments{};
// TODO(Rodrigo): Unify has_zeta into zeta_pixel_format and zeta_component_type.
VideoCore::Surface::PixelFormat zeta_pixel_format = VideoCore::Surface::PixelFormat::Invalid;
bool has_zeta = false;
bool zeta_texception = false;
std::size_t Hash() const noexcept {
std::size_t hash = 0;
for (const auto& rt : color_attachments) {
boost::hash_combine(hash, rt.Hash());
}
boost::hash_combine(hash, zeta_pixel_format);
boost::hash_combine(hash, has_zeta);
boost::hash_combine(hash, zeta_texception);
return hash;
}
bool operator==(const RenderPassParams& rhs) const {
return std::tie(color_attachments, zeta_pixel_format, has_zeta, zeta_texception) ==
std::tie(rhs.color_attachments, rhs.zeta_pixel_format, rhs.has_zeta,
rhs.zeta_texception);
}
};
} // namespace Vulkan
namespace std {
template <>
struct hash<Vulkan::RenderPassParams> {
std::size_t operator()(const Vulkan::RenderPassParams& k) const noexcept {
return k.Hash();
}
};
} // namespace std
namespace Vulkan {
class VKRenderPassCache final {
public:
explicit VKRenderPassCache(const VKDevice& device);
~VKRenderPassCache();
vk::RenderPass GetRenderPass(const RenderPassParams& params);
private:
UniqueRenderPass CreateRenderPass(const RenderPassParams& params) const;
const VKDevice& device;
std::unordered_map<RenderPassParams, UniqueRenderPass> cache;
};
} // namespace Vulkan