mirror of
https://git.eden-emu.dev/eden-emu/eden.git
synced 2026-08-21 15:28:19 +00:00
CamilleLaVey
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <array>
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#include <cmath>
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#include "common/cityhash.h"
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#include "common/settings.h"
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#include "video_core/textures/texture.h"
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using Tegra::Texture::TICEntry;
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using Tegra::Texture::TSCEntry;
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namespace Tegra::Texture {
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namespace {
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float SrgbToLinear(u32 value) {
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const float encoded = static_cast<float>(value) / 255.0f;
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if (encoded <= 0.04045f) {
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return encoded / 12.92f;
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}
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return std::pow((encoded + 0.055f) / 1.055f, 2.4f);
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}
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} // Anonymous namespace
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std::array<float, 4> TSCEntry::BorderColor() const noexcept {
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return border_color;
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}
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std::array<float, 4> TSCEntry::SrgbBorderColor() const noexcept {
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return {SrgbToLinear(srgb_border_color_r), SrgbToLinear(srgb_border_color_g),
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SrgbToLinear(srgb_border_color_b), border_color[3]};
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}
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float TSCEntry::MaxAnisotropy() const noexcept {
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const bool is_suitable_mipmap_filter = mipmap_filter != TextureMipmapFilter::None;
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const bool has_regular_lods = min_lod_clamp == 0 && max_lod_clamp >= 256;
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const bool is_bilinear_filter = min_filter == TextureFilter::Linear &&
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reduction_filter == SamplerReduction::WeightedAverage;
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if (max_anisotropy == 0 && (!is_suitable_mipmap_filter || !has_regular_lods || !is_bilinear_filter || depth_compare_enabled))
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return 1.0f;
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s32 added_anisotropic{};
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auto const anisotropic_settings = Settings::values.max_anisotropy.GetValue();
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switch (anisotropic_settings) {
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case Settings::AnisotropyMode::Default:
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case Settings::AnisotropyMode::X2:
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case Settings::AnisotropyMode::X4:
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case Settings::AnisotropyMode::X8:
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case Settings::AnisotropyMode::X16:
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added_anisotropic = s32(anisotropic_settings) - 1;
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break;
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case Settings::AnisotropyMode::Automatic: {
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const u32 resolution_scale = Settings::values.resolution_info.up_scale >>
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Settings::values.resolution_info.down_shift;
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if (resolution_scale > 1U) {
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added_anisotropic = static_cast<s32>(resolution_scale - 1U);
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}
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break;
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}
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}
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return float(1U << (max_anisotropy + added_anisotropic));
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}
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} // namespace Tegra::Texture
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size_t std::hash<TICEntry>::operator()(const TICEntry& tic) const noexcept {
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return Common::CityHash64(reinterpret_cast<const char*>(&tic), sizeof tic);
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}
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size_t std::hash<TSCEntry>::operator()(const TSCEntry& tsc) const noexcept {
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return Common::CityHash64(reinterpret_cast<const char*>(&tsc), sizeof tsc);
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}
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