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..e5f0fb41b9cf3476a2e0e17a2d10787d2245ea0b
--- /dev/null
+++ b/cc/surfaces/surface_aggregator_test_helpers.cc
@@ -0,0 +1,162 @@
+// 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/layers/append_quads_data.h"
+#include "cc/output/compositor_frame.h"
+#include "cc/output/delegated_frame_data.h"
+#include "cc/quads/render_pass_draw_quad.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/mock_quad_culler.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 AddTestSurfaceQuad(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 AddTestRenderPassQuad(TestRenderPass* pass,
+                           RenderPass::Id render_pass_id) {
+  MockQuadCuller quad_sink(&pass->quad_list, &pass->shared_quad_state_list);
+  AppendQuadsData data(pass->id);
+  gfx::Rect output_rect = gfx::Rect(0, 0, 5, 5);
+  SharedQuadState* shared_state =
+      quad_sink.UseSharedQuadState(SharedQuadState::Create());
+  shared_state->SetAll(gfx::Transform(),
+                       output_rect.size(),
+                       output_rect,
+                       output_rect,
+                       false,
+                       1,
+                       SkXfermode::kSrcOver_Mode);
+  scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
+  quad->SetNew(shared_state,
+               output_rect,
+               render_pass_id,
+               false,
+               0,
+               output_rect,
+               gfx::RectF(),
+               FilterOperations(),
+               FilterOperations());
+  quad_sink.Append(quad.PassAs<DrawQuad>(), &data);
+}
+
+void AddQuadInPass(TestRenderPass* pass, Quad desc) {
+  switch (desc.material) {
+    case DrawQuad::SOLID_COLOR:
+      AddQuad(pass, gfx::Rect(0, 0, 5, 5), desc.color);
+      break;
+    case DrawQuad::SURFACE_CONTENT:
+      AddTestSurfaceQuad(pass, gfx::Size(5, 5), desc.surface_id);
+      break;
+    case DrawQuad::RENDER_PASS:
+      AddTestRenderPassQuad(pass, desc.render_pass_id);
+      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) {
+    Pass pass = passes[i];
+    TestRenderPass* test_pass =
+        AddRenderPass(pass_list, pass.id, output_rect, root_transform);
+    for (size_t j = 0; j < pass.quad_count; ++j) {
+      AddQuadInPass(test_pass, pass.quads[j]);
+    }
+  }
+}
+
+void TestQuadMatchesExpectations(Quad expected_quad, DrawQuad* quad) {
+  switch (expected_quad.material) {
+    case DrawQuad::SOLID_COLOR: {
+      ASSERT_EQ(DrawQuad::SOLID_COLOR, quad->material);
+
+      const SolidColorDrawQuad* solid_color_quad =
+          SolidColorDrawQuad::MaterialCast(quad);
+
+      EXPECT_EQ(expected_quad.color, solid_color_quad->color);
+      break;
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
+void TestPassMatchesExpectations(Pass expected_pass, RenderPass* pass) {
+  ASSERT_EQ(expected_pass.quad_count, pass->quad_list.size());
+  for (size_t i = 0u; i < pass->quad_list.size(); ++i) {
+    SCOPED_TRACE(base::StringPrintf("Quad number %" PRIuS, i));
+    TestQuadMatchesExpectations(expected_pass.quads[i], pass->quad_list.at(i));
+  }
+}
+
+void TestPassesMatchExpectations(Pass* expected_passes,
+                                 size_t expected_pass_count,
+                                 RenderPassList* passes) {
+  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(expected_passes[i], pass);
+  }
+}
+
+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