Initial surface aggregator implementation

cc/surfaces/surface_aggregator_test_helpers.h

Index: cc/surfaces/surface_aggregator_test_helpers.h
diff --git a/cc/surfaces/surface_aggregator_test_helpers.h b/cc/surfaces/surface_aggregator_test_helpers.h
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+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_SURFACES_SURFACE_AGGREGATOR_TEST_HELPERS_H_
+#define CC_SURFACES_SURFACE_AGGREGATOR_TEST_HELPERS_H_
+
+#include "cc/quads/draw_quad.h"
+#include "cc/quads/render_pass.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/size.h"
+
+namespace cc {
+
+class Surface;
+class TestRenderPass;
+
+namespace test {
+
+struct Quad {
+  static Quad SolidColorQuad(SkColor color) {
+    Quad quad;
+    quad.material = DrawQuad::SOLID_COLOR;
+    quad.color = color;
+    return quad;
+  }
+
+  static Quad SurfaceQuad(int surface_id) {
+    Quad quad;
+    quad.material = DrawQuad::SURFACE_CONTENT;
+    quad.surface_id = surface_id;
+    return quad;
+  }
+
+  static Quad RenderPassQuad(RenderPass::Id id) {
+    Quad quad;
+    quad.material = DrawQuad::RENDER_PASS;
+    quad.render_pass_id = id;
+    return quad;
+  }
+
+  DrawQuad::Material material;
+  // Set when material==DrawQuad::SURFACE_CONTENT.
+  int surface_id;
+  // Set when material==DrawQuad::SOLID_COLOR.
+  SkColor color;
+  // Set when material==DrawQuad::RENDER_PASS.
+  RenderPass::Id render_pass_id;
+
+ private:
+  Quad()
+      : material(DrawQuad::INVALID),
+        surface_id(-1),
+        color(SK_ColorWHITE),
+        render_pass_id(-1, -1) {}
+};
+
+struct Pass {
+  Pass(Quad* quads, size_t quad_count, RenderPass::Id id)
+      : quads(quads), quad_count(quad_count), id(id) {}
+  Pass(Quad* quads, size_t quad_count)
+      : quads(quads), quad_count(quad_count), id(1, 1) {}
+
+  Quad* quads;
+  size_t quad_count;
+  RenderPass::Id id;
+};
+
+void AddSurfaceQuad(TestRenderPass* pass,
+                    const gfx::Size& surface_size,
+                    int surface_id);
+
+void AddQuadInPass(TestRenderPass* pass, Quad desc);
+
+void AddPasses(RenderPassList* pass_list,
+               const gfx::Rect& output_rect,
+               Pass* passes,
+               size_t pass_count);
+
+void TestQuadMatchesExpectations(Quad expected_quad, DrawQuad* quad);
+
+void TestPassMatchesExpectations(Pass expected_pass, RenderPass* pass);
+
+void TestPassesMatchExpectations(Pass* expected_passes,
+                                 size_t expected_pass_count,
+                                 RenderPassList* passes);
+
+void SubmitFrame(Pass* passes, size_t pass_count, Surface* surface);
+
+}  // namespace test
+}  // namespace cc
+
+#endif  // CC_SURFACES_SURFACE_AGGREGATOR_TEST_HELPERS_H_