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// 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
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