BSP Tree perf tests to match LayerSorter perf tests

cc/quads/draw_polygon.cc

Index: cc/quads/draw_polygon.cc
diff --git a/cc/quads/draw_polygon.cc b/cc/quads/draw_polygon.cc
index db2249c0ef5b86d75d28d51c6427fcdbeaaaa32e..f6fee567f3423c42a985f25e32c9fddb3a01a6b5 100644
--- a/cc/quads/draw_polygon.cc
+++ b/cc/quads/draw_polygon.cc
@@ -6,7 +6,9 @@
 
 #include <vector>
 
+#include "cc/layers/layer_impl.h"
 #include "cc/output/bsp_compare_result.h"
+#include "cc/quads/draw_quad.h"
 
 namespace {
 // This allows for some imperfection in the normal comparison when checking if
@@ -45,6 +47,25 @@ DrawPolygon::DrawPolygon(DrawQuad* original,
   normal_ = normal;
 }
 
+// This takes the original DrawQuad that this polygon should be based on,
+// a visible content rect to make the 4 corner points from, and a transformation
+// to move it and its normal into screen space.
+DrawPolygon::DrawPolygon(DrawQuad* original_ref,
+                         const gfx::RectF& visible_content_rect,
+                         const gfx::Transform& transform,
+                         int draw_order_index)
+    : order_index_(draw_order_index), original_ref_(original_ref) {

[enne (OOO), 2014/07/30 18:43:56]

I think you need to set the normal to a default value here.  Does this change
the perf numbers?

[troyhildebrandt, 2014/07/30 23:36:57]

Done.

+  gfx::Point3F points[8];
+  int num_vertices_in_clipped_quad;
+  gfx::QuadF send_quad(visible_content_rect);
+  MathUtil::MapClippedQuad3d(

[enne (OOO), 2014/07/30 18:43:56]

Can you just make "gfx::QuadF quad(visible_content_rect)", set points[4]
directly, and then call TransformToScreenSpace, without having to do this
mapping yourself?

[troyhildebrandt, 2014/07/30 23:36:57]

I put a comment on it.

+      transform, send_quad, points, &num_vertices_in_clipped_quad);
+  for (int i = 0; i < num_vertices_in_clipped_quad; i++) {
+    points_.push_back(points[i]);
+  }
+  ApplyTransformToNormal(transform);
+}
+
 DrawPolygon::~DrawPolygon() {
 }