Software: Use new scissor logic

Unlike the hardware backends, the software renderer can use multiple scissor rectangles (though this will result in extra rasterization).

1 files changed, 10 insertions, 0 deletions

diff --git a/Source/Core/VideoBackends/Software/SWRenderer.cpp b/Source/Core/VideoBackends/Software/SWRenderer.cpp
index e5b0f08987..76eea93068 100644
--- a/Source/Core/VideoBackends/Software/SWRenderer.cpp
+++ b/Source/Core/VideoBackends/Software/SWRenderer.cpp
@@ -12,6 +12,7 @@
 
 #include "VideoBackends/Software/EfbCopy.h"
 #include "VideoBackends/Software/EfbInterface.h"
+#include "VideoBackends/Software/Rasterizer.h"
 #include "VideoBackends/Software/SWBoundingBox.h"
 #include "VideoBackends/Software/SWOGLWindow.h"
 #include "VideoBackends/Software/SWTexture.h"
@@ -179,4 +180,13 @@ SWRenderer::CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl)
 {
   return std::make_unique<NativeVertexFormat>(vtx_decl);
 }
+
+void SWRenderer::SetScissorRect(const MathUtil::Rectangle<int>& rc)
+{
+  // BPFunctions calls SetScissorRect with the "best" scissor rect whenever the viewport or scissor
+  // changes.  However, the software renderer is actually able to use multiple scissor rects (which
+  // is necessary in a few renderering edge cases, such as with Major Minor's Majestic March).
+  // Thus, we use this as a signal to update the list of scissor rects, but ignore the parameter.
+  Rasterizer::ScissorChanged();
+}
 }  // namespace SW