forked from suyu/suyu
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
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// Copyright 2019 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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#pragma once
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#include <memory>
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#include <tuple>
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#include <unordered_map>
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#include <boost/container/static_vector.hpp>
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#include <boost/functional/hash.hpp>
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/renderer_vulkan/declarations.h"
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#include "video_core/surface.h"
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namespace Vulkan {
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class VKDevice;
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// TODO(Rodrigo): Optimize this structure for faster hashing
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struct RenderPassParams {
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struct ColorAttachment {
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u32 index = 0;
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VideoCore::Surface::PixelFormat pixel_format = VideoCore::Surface::PixelFormat::Invalid;
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bool is_texception = false;
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std::size_t Hash() const noexcept {
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return static_cast<std::size_t>(pixel_format) |
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static_cast<std::size_t>(is_texception) << 6 |
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static_cast<std::size_t>(index) << 7;
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}
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bool operator==(const ColorAttachment& rhs) const noexcept {
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return std::tie(index, pixel_format, is_texception) ==
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std::tie(rhs.index, rhs.pixel_format, rhs.is_texception);
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}
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};
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boost::container::static_vector<ColorAttachment,
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Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
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color_attachments{};
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// TODO(Rodrigo): Unify has_zeta into zeta_pixel_format and zeta_component_type.
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VideoCore::Surface::PixelFormat zeta_pixel_format = VideoCore::Surface::PixelFormat::Invalid;
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bool has_zeta = false;
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bool zeta_texception = false;
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std::size_t Hash() const noexcept {
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std::size_t hash = 0;
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for (const auto& rt : color_attachments) {
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boost::hash_combine(hash, rt.Hash());
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}
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boost::hash_combine(hash, zeta_pixel_format);
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boost::hash_combine(hash, has_zeta);
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boost::hash_combine(hash, zeta_texception);
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return hash;
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}
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bool operator==(const RenderPassParams& rhs) const {
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return std::tie(color_attachments, zeta_pixel_format, has_zeta, zeta_texception) ==
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std::tie(rhs.color_attachments, rhs.zeta_pixel_format, rhs.has_zeta,
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rhs.zeta_texception);
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}
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};
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} // namespace Vulkan
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namespace std {
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template <>
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struct hash<Vulkan::RenderPassParams> {
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std::size_t operator()(const Vulkan::RenderPassParams& k) const noexcept {
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return k.Hash();
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}
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};
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} // namespace std
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namespace Vulkan {
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class VKRenderPassCache final {
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public:
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explicit VKRenderPassCache(const VKDevice& device);
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~VKRenderPassCache();
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vk::RenderPass GetRenderPass(const RenderPassParams& params);
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private:
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UniqueRenderPass CreateRenderPass(const RenderPassParams& params) const;
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const VKDevice& device;
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std::unordered_map<RenderPassParams, UniqueRenderPass> cache;
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};
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} // namespace Vulkan
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