gl_rasterizer: Implement a more accurate fermi 2D copy.

- This is a blit, use the blit registers.

src/video_core/rasterizer_interface.h

@@ -46,7 +46,9 @@ public:
 
     /// Attempt to use a faster method to perform a surface copy
     virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
-                                       const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
+                                       const Tegra::Engines::Fermi2D::Regs::Surface& dst,
+                                       const MathUtil::Rectangle<u32>& src_rect,
+                                       const MathUtil::Rectangle<u32>& dst_rect) {
         return false;
     }