Merge remote-tracking branch 'origin/nx2' into neo.ai/vibration-fix

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

# Conflicts:
#	src/core/hle/service/hid/hid_server.cpp
#	src/core/hle/service/hid/hid_server.h

1 files changed, 25 insertions, 0 deletions

diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h
index b527c0e2a9..e9eaa2b3c2 100644
--- a/src/video_core/rasterizer_interface.h
+++ b/src/video_core/rasterizer_interface.h
@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <array>
 #include <functional>
 #include <optional>
 #include <span>
@@ -93,6 +94,20 @@ public:
     virtual void FlushRegion(DAddr addr, u64 size,
                              VideoCommon::CacheType which = VideoCommon::CacheType::All) = 0;
 
+    /// Switch 2, from the GPU thread's front: where a GPU-written command list's words are.
+    enum class GpuWrittenList {
+        Unknown, ///< Neither: the caller drains, flushes the page and notes it synced
+        Copied,  ///< `out` (within one 4 KiB page) is filled from the copy made after its writer
+        Synced,  ///< Guest memory holds the page: no GPU work wrote it since it was flushed
+    };
+    virtual GpuWrittenList ReadGpuWrittenCommandList([[maybe_unused]] DAddr addr,
+                                                     [[maybe_unused]] std::span<u8> out) {
+        return GpuWrittenList::Unknown;
+    }
+
+    /// Switch 2: the front flushed this command list page with the split drained.
+    virtual void NoteGpuWrittenCommandListSynced([[maybe_unused]] DAddr page) {}
+
     /// Check if the the specified memory area requires flushing to CPU Memory.
     virtual bool MustFlushRegion(DAddr addr, u64 size,
                                  VideoCommon::CacheType which = VideoCommon::CacheType::All) = 0;
@@ -162,6 +177,16 @@ public:
         return false;
     }
 
+    /// Stand-in for a DLSS evaluation: temporal upscale of src into dst along motion_vectors
+    /// (jitter in src pixels; motion_scale turns a motion vector into a UV offset to the previous
+    /// frame). False when unsupported; the caller then falls back to AccelerateSurfaceCopy.
+    [[nodiscard]] virtual bool AccelerateTemporalUpscale(
+        const Tegra::Engines::Fermi2D::Surface& src, const Tegra::Engines::Fermi2D::Surface& dst,
+        const Tegra::Engines::Fermi2D::Surface& motion_vectors, std::array<f32, 2> jitter,
+        std::array<f32, 2> motion_scale) {
+        return false;
+    }
+
     [[nodiscard]] virtual Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() = 0;
 
     virtual void AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,