Revert "Import experimental NS2 support and accumulated GPU fixes"

This reverts commit 535b676970. The Switch 2 support comes from the nx2
work instead, merged next.

1 files changed, 0 insertions, 112 deletions

diff --git a/src/tests/video_core/pending_download.cpp b/src/tests/video_core/pending_download.cpp
deleted file mode 100644
index 4b2a218933..0000000000
--- a/src/tests/video_core/pending_download.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include <deque>
-#include <memory>
-#include <vector>
-#include <catch2/catch_test_macros.hpp>
-#include "common/slot_vector.h"
-#include "video_core/texture_cache/pending_download.h"
-
-namespace {
-struct DownloadImage {
-    DownloadImage(u32 value, std::shared_ptr<std::vector<u32>> destroyed_)
-        : handle{std::make_unique<u32>(value)}, destroyed{std::move(destroyed_)} {}
-    DownloadImage(DownloadImage&&) noexcept = default;
-    DownloadImage& operator=(DownloadImage&&) noexcept = default;
-    ~DownloadImage() { if (handle) destroyed->push_back(*handle); }
-    std::unique_ptr<u32> handle;
-    std::shared_ptr<std::vector<u32>> destroyed;
-};
-using Download = VideoCommon::PendingImageDownload<DownloadImage>;
-}
-
-TEST_CASE("Queued texture downloads survive deletion and reuse of their cache slot", "[texture-download]") {
-    auto destroyed = std::make_shared<std::vector<u32>>();
-    Common::SlotVector<DownloadImage> images;
-    const auto old_id = images.insert(42U, destroyed);
-    std::vector<Download> pending{{true, 0, old_id, {}}, {false, 0, old_id, {}}};
-    std::deque<std::vector<Download>> submitted{{{true, 0, old_id, {}}}};
-    REQUIRE(VideoCommon::RetainPendingImageDownloads(old_id, images[old_id], pending, submitted));
-    REQUIRE_FALSE(images[old_id].handle);
-    REQUIRE(pending[0].retired_image == submitted[0][0].retired_image);
-    REQUIRE_FALSE(pending[1].retired_image); // Buffer-download slot IDs are a separate namespace.
-    images.erase(old_id);
-    const auto replacement_id = images.insert(99U, destroyed);
-    REQUIRE(replacement_id == old_id);
-    REQUIRE(*pending[0].GetImage(images).handle == 42);
-    REQUIRE(*submitted[0][0].GetImage(images).handle == 42);
-    REQUIRE(*images[replacement_id].handle == 99);
-    // Retiring the replacement must not redirect an earlier generation's downloads.
-    pending.push_back({true, 1, replacement_id, {}});
-    REQUIRE(VideoCommon::RetainPendingImageDownloads(replacement_id, images[replacement_id], pending, submitted));
-    images.erase(replacement_id);
-    REQUIRE(*pending[0].GetImage(images).handle == 42);
-    REQUIRE(*pending[2].GetImage(images).handle == 99);
-    REQUIRE(destroyed->empty());
-    pending.clear();
-    REQUIRE(*destroyed == std::vector<u32>{99});
-    REQUIRE(*submitted[0][0].GetImage(images).handle == 42);
-    submitted.pop_front();
-    REQUIRE(*destroyed == std::vector<u32>{99, 42});
-}
-
-TEST_CASE("Textures without queued downloads retain ordinary cache retirement", "[texture-download]") {
-    auto destroyed = std::make_shared<std::vector<u32>>();
-    Common::SlotVector<DownloadImage> images;
-    const auto id = images.insert(7U, destroyed);
-    std::vector<Download> pending{{false, 0, id, {}}};
-    std::deque<std::vector<Download>> submitted;
-    REQUIRE_FALSE(VideoCommon::RetainPendingImageDownloads(id, images[id], pending, submitted));
-    REQUIRE(*images[id].handle == 7);
-    images.erase(id);
-    REQUIRE(*destroyed == std::vector<u32>{7});
-}
-
-TEST_CASE("Repeated whole-image downloads keep first occurrence and buffer requests", "[texture-download]") {
-    auto destroyed = std::make_shared<std::vector<u32>>();
-    Common::SlotVector<DownloadImage> images;
-    const auto a = images.insert(42U, destroyed);
-    const auto b = images.insert(99U, destroyed);
-    std::vector<Download> pending{{true, 0, a, {}}, {true, 0, b, {}},
-                                  {false, 3, Common::SlotId{10000}, {}}, {true, 0, a, {}}};
-    const auto writeback = [&](const auto& downloads) {
-        u32 value = 0;
-        for (auto it = downloads.rbegin(); it != downloads.rend(); ++it)
-            if (it->is_swizzle) value = *it->GetImage(images).handle;
-        return value;
-    };
-    const u32 expected = writeback(pending);
-    REQUIRE(VideoCommon::DeduplicatePendingImageDownloads(pending, images) == 1);
-    REQUIRE(pending.size() == 3);
-    REQUIRE(pending[0].object_id == a);
-    REQUIRE(pending[1].object_id == b);
-    REQUIRE_FALSE(pending[2].is_swizzle);
-    REQUIRE(pending[2].async_buffer_id == 3);
-    REQUIRE(writeback(pending) == expected);
-    REQUIRE(expected == 42);
-}
-
-TEST_CASE("Readback deduplication distinguishes recycled image generations", "[texture-download]") {
-    auto destroyed = std::make_shared<std::vector<u32>>();
-    Common::SlotVector<DownloadImage> images;
-    const auto id = images.insert(42U, destroyed);
-    std::vector<Download> pending{{true, 0, id, {}}};
-    std::deque<std::vector<Download>> submitted;
-    REQUIRE(VideoCommon::RetainPendingImageDownloads(id, images[id], pending, submitted));
-    auto old = pending.front();
-    images.erase(id);
-    const auto replacement = images.insert(99U, destroyed);
-    REQUIRE(replacement == id);
-    pending.push_back({true, 0, replacement, {}});
-    for (size_t i = 0; i < 1000; ++i) pending.push_back(old);
-    REQUIRE(VideoCommon::DeduplicatePendingImageDownloads(pending, images) == 1000);
-    REQUIRE(pending.size() == 2);
-    REQUIRE(*pending[0].GetImage(images).handle == 42);
-    REQUIRE(*pending[1].GetImage(images).handle == 99);
-    REQUIRE(destroyed->empty());
-    pending.clear();
-    REQUIRE(destroyed->empty());
-    old.retired_image.reset();
-    REQUIRE(*destroyed == std::vector<u32>{42});
-}