Pica: Add basic rasterizer.

src/video_core/rasterizer.h

@@ -0,0 +1,21 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Pica {
+
+namespace VertexShader {
+    struct OutputVertex;
+}
+
+namespace Rasterizer {
+
+void ProcessTriangle(const VertexShader::OutputVertex& v0,
+                     const VertexShader::OutputVertex& v1,
+                     const VertexShader::OutputVertex& v2);
+
+} // namespace Rasterizer
+
+} // namespace Pica