Initial surface aggregator implementation

cc/surfaces/surface_aggregator_test_helpers.cc

Index: cc/surfaces/surface_aggregator_test_helpers.cc
diff --git a/cc/surfaces/surface_aggregator_test_helpers.cc b/cc/surfaces/surface_aggregator_test_helpers.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fb233015a787018ff2a63107db73e407bb978d5e
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+++ b/cc/surfaces/surface_aggregator_test_helpers.cc
@@ -0,0 +1,128 @@
+// 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.
+
+#include "cc/surfaces/surface_aggregator_test_helpers.h"
+
+#include "base/format_macros.h"
+#include "base/strings/stringprintf.h"
+#include "cc/output/compositor_frame.h"
+#include "cc/output/delegated_frame_data.h"
+#include "cc/quads/shared_quad_state.h"
+#include "cc/quads/solid_color_draw_quad.h"
+#include "cc/quads/surface_draw_quad.h"
+#include "cc/surfaces/surface.h"
+#include "cc/test/render_pass_test_common.h"
+#include "cc/test/render_pass_test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/skia/include/core/SkXfermode.h"
+
+namespace cc {
+namespace test {
+
+void AddSurfaceQuad(TestRenderPass* pass,
+                    const gfx::Size& surface_size,
+                    int surface_id) {
+  gfx::Transform content_to_target_transform;
+  gfx::Size content_bounds = surface_size;
+  gfx::Rect visible_content_rect = gfx::Rect(surface_size);
+  gfx::Rect clip_rect = gfx::Rect(surface_size);
+  bool is_clipped = false;
+  float opacity = 1.0;
+  SkXfermode::Mode blend_mode = SkXfermode::kSrcOver_Mode;
+
+  scoped_ptr<SharedQuadState> shared_quad_state = SharedQuadState::Create();
+  shared_quad_state->SetAll(content_to_target_transform,
+                            content_bounds,
+                            visible_content_rect,
+                            clip_rect,
+                            is_clipped,
+                            opacity,
+                            blend_mode);
+  pass->shared_quad_state_list.push_back(shared_quad_state.Pass());
+
+  scoped_ptr<SurfaceDrawQuad> surface_quad = SurfaceDrawQuad::Create();
+  gfx::Rect quad_rect = gfx::Rect(surface_size);
+  surface_quad->SetNew(
+      pass->shared_quad_state_list.back(), gfx::Rect(surface_size), surface_id);
+  pass->quad_list.push_back(surface_quad.PassAs<DrawQuad>());
+}
+
+void AddQuadInPass(TestRenderPass* pass, Quad desc) {
+  switch (desc.type) {
+    case 'C':
+      AddQuad(pass, gfx::Rect(desc.size), desc.data);
+      break;
+    case 'S':
+      AddSurfaceQuad(pass, desc.size, desc.data);
+      break;
+    default:
+      NOTREACHED();
+  }
+}
+
+void AddPasses(RenderPassList* pass_list,
+               const gfx::Rect& output_rect,
+               Pass* passes,
+               size_t pass_count) {
+  gfx::Transform root_transform;
+  for (size_t i = 0; i < pass_count; ++i) {
+    TestRenderPass* test_pass = AddRenderPass(
+        pass_list, RenderPass::Id(1, 1), output_rect, root_transform);
+    Pass pass = passes[i];
+    for (size_t j = 0; j < pass.quad_count; ++j) {
+      AddQuadInPass(test_pass, pass.quads[j]);
+    }
+  }
+}
+
+void TestPassMatchesExpectations(RenderPass* pass, Pass expected_pass) {
+  ASSERT_EQ(expected_pass.quad_count, pass->quad_list.size());
+  for (size_t i = 0u; i < pass->quad_list.size(); ++i) {
+    Quad expected = expected_pass.quads[i];
+    DrawQuad* quad = pass->quad_list.at(i);
+    switch (expected.type) {
+      case 'C': {
+        ASSERT_EQ(DrawQuad::SOLID_COLOR, quad->material);
+
+        const SolidColorDrawQuad* solid_color_quad =
+            SolidColorDrawQuad::MaterialCast(quad);
+
+        EXPECT_EQ(static_cast<uint32_t>(expected.data), solid_color_quad->color)
+            << i;
+        break;
+      }
+      default:
+        NOTREACHED();
+        break;
+    }
+  }
+}
+
+void TestPassesMatchExpectations(RenderPassList* passes,
+                                 Pass* expected_passes,
+                                 size_t expected_pass_count) {
+  ASSERT_EQ(expected_pass_count, passes->size());
+
+  for (size_t i = 0; i < passes->size(); ++i) {
+    SCOPED_TRACE(base::StringPrintf("Pass number %" PRIuS, i));
+    RenderPass* pass = passes->at(i);
+    TestPassMatchesExpectations(pass, expected_passes[i]);
+  }
+}
+
+void SubmitFrame(Pass* passes, size_t pass_count, Surface* surface) {
+  RenderPassList pass_list;
+  AddPasses(&pass_list, gfx::Rect(surface->size()), passes, pass_count);
+
+  scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
+  pass_list.swap(frame_data->render_pass_list);
+
+  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+  frame->delegated_frame_data = frame_data.Pass();
+
+  surface->QueueFrame(frame.Pass());
+}
+
+}  // namespace test
+}  // namespace cc