video_core: Rewrite the texture cache

The current texture cache has several points that hurt maintainability
and performance. It's easy to break unrelated parts of the cache
when doing minor changes. The cache can easily forget valuable
information about the cached textures by CPU writes or simply by its
normal usage.The current texture cache has several points that hurt
maintainability and performance. It's easy to break unrelated parts
of the cache when doing minor changes. The cache can easily forget
valuable information about the cached textures by CPU writes or simply
by its normal usage.

This commit aims to address those issues.

src/video_core/rasterizer_interface.h

@@ -76,6 +76,9 @@ public:
     /// Sync memory between guest and host.
     virtual void SyncGuestHost() = 0;
 
+    /// Unmap memory range
+    virtual void UnmapMemory(VAddr addr, u64 size) = 0;
+
     /// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
     /// and invalidated
     virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
@@ -83,6 +86,12 @@ public:
     /// Notify the host renderer to wait for previous primitive and compute operations.
     virtual void WaitForIdle() = 0;
 
+    /// Notify the host renderer to wait for reads and writes to render targets and flush caches.
+    virtual void FragmentBarrier() = 0;
+
+    /// Notify the host renderer to make available previous render target writes.
+    virtual void TiledCacheBarrier() = 0;
+
     /// Notify the rasterizer to send all written commands to the host GPU.
     virtual void FlushCommands() = 0;
 
@@ -91,8 +100,7 @@ public:
 
     /// Attempt to use a faster method to perform a surface copy
     [[nodiscard]] virtual bool AccelerateSurfaceCopy(
-        const Tegra::Engines::Fermi2D::Regs::Surface& src,
-        const Tegra::Engines::Fermi2D::Regs::Surface& dst,
+        const Tegra::Engines::Fermi2D::Surface& src, const Tegra::Engines::Fermi2D::Surface& dst,
         const Tegra::Engines::Fermi2D::Config& copy_config) {
         return false;
     }