cc/test/layer_test_common.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_TEST_LAYER_TEST_COMMON_H_
   6 #define CC_TEST_LAYER_TEST_COMMON_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/quads/render_pass.h"
  11 #include "cc/test/fake_layer_tree_host.h"
  12 #include "cc/test/test_task_graph_runner.h"
  13 #include "cc/trees/layer_tree_host_impl.h"
  14
  15 #define EXPECT_SET_NEEDS_COMMIT(expect, code_to_test)                 \
  16   do {                                                                \
  17     EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times((expect)); \
  18     code_to_test;                                                     \
  19     Mock::VerifyAndClearExpectations(layer_tree_host_.get());         \
  20   } while (false)
  21
  22 #define EXPECT_SET_NEEDS_UPDATE(expect, code_to_test)                       \
  23   do {                                                                      \
  24     EXPECT_CALL(*layer_tree_host_, SetNeedsUpdateLayers()).Times((expect)); \
  25     code_to_test;                                                           \
  26     Mock::VerifyAndClearExpectations(layer_tree_host_.get());               \
  27   } while (false)
  28
  29 namespace gfx { class Rect; }
  30
  31 namespace cc {
  32 class LayerImpl;
  33 class OutputSurface;
  34 class QuadList;
  35 class RenderSurfaceImpl;
  36 class ResourceProvider;
  37
  38 class LayerTestCommon {
  39  public:
  40   static const char* quad_string;
  41
  42   static void VerifyQuadsExactlyCoverRect(const QuadList& quads,
  43                                           const gfx::Rect& rect);
  44
  45   static void VerifyQuadsAreOccluded(const QuadList& quads,
  46                                      const gfx::Rect& occluded,
  47                                      size_t* partially_occluded_count);
  48
  49   class LayerImplTest {
  50    public:
  51     LayerImplTest();
  52     explicit LayerImplTest(const LayerTreeSettings& settings);
  53     ~LayerImplTest();
  54
  55     template <typename T>
  56     T* AddChildToRoot() {
  57       scoped_ptr<T> layer =
  58           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++);
  59       T* ptr = layer.get();
  60       root_layer_impl_->AddChild(layer.Pass());
  61       return ptr;
  62     }
  63
  64     template <typename T>
  65     T* AddChild(LayerImpl* parent) {
  66       scoped_ptr<T> layer =
  67           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++);
  68       T* ptr = layer.get();
  69       parent->AddChild(layer.Pass());
  70       return ptr;
  71     }
  72
  73     template <typename T, typename A>
  74     T* AddChildToRoot(const A& a) {
  75       scoped_ptr<T> layer =
  76           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++, a);
  77       T* ptr = layer.get();
  78       root_layer_impl_->AddChild(layer.Pass());
  79       return ptr;
  80     }
  81
  82     template <typename T, typename A, typename B>
  83     T* AddChildToRoot(const A& a, const B& b) {
  84       scoped_ptr<T> layer =
  85           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++, a, b);
  86       T* ptr = layer.get();
  87       root_layer_impl_->AddChild(layer.Pass());
  88       return ptr;
  89     }
  90
  91     template <typename T, typename A, typename B, typename C, typename D>
  92     T* AddChildToRoot(const A& a, const B& b, const C& c, const D& d) {
  93       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(),
  94                                       layer_impl_id_++, a, b, c, d);
  95       T* ptr = layer.get();
  96       root_layer_impl_->AddChild(layer.Pass());
  97       return ptr;
  98     }
  99
 100     template <typename T,
 101               typename A,
 102               typename B,
 103               typename C,
 104               typename D,
 105               typename E>
 106     T* AddChildToRoot(const A& a,
 107                       const B& b,
 108                       const C& c,
 109                       const D& d,
 110                       const E& e) {
 111       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(),
 112                                       layer_impl_id_++, a, b, c, d, e);
 113       T* ptr = layer.get();
 114       root_layer_impl_->AddChild(layer.Pass());
 115       return ptr;
 116     }
 117
 118     void CalcDrawProps(const gfx::Size& viewport_size);
 119     void AppendQuadsWithOcclusion(LayerImpl* layer_impl,
 120                                   const gfx::Rect& occluded);
 121     void AppendQuadsForPassWithOcclusion(LayerImpl* layer_impl,
 122                                          RenderPass* given_render_pass,
 123                                          const gfx::Rect& occluded);
 124     void AppendSurfaceQuadsWithOcclusion(RenderSurfaceImpl* surface_impl,
 125                                          const gfx::Rect& occluded);
 126
 127     OutputSurface* output_surface() const {
 128       return host_->host_impl()->output_surface();
 129     }
 130     ResourceProvider* resource_provider() const {
 131       return host_->host_impl()->resource_provider();
 132     }
 133     LayerImpl* root_layer() const { return root_layer_impl_.get(); }
 134     FakeLayerTreeHost* host() { return host_.get(); }
 135     FakeLayerTreeHostImpl* host_impl() const { return host_->host_impl(); }
 136     Proxy* proxy() const { return host_->host_impl()->proxy(); }
 137     const QuadList& quad_list() const { return render_pass_->quad_list; }
 138
 139    private:
 140     FakeLayerTreeHostClient client_;
 141     TestTaskGraphRunner task_graph_runner_;
 142     scoped_ptr<FakeLayerTreeHost> host_;
 143     scoped_ptr<LayerImpl> root_layer_impl_;
 144     scoped_ptr<RenderPass> render_pass_;
 145     int layer_impl_id_;
 146   };
 147 };
 148
 149 }  // namespace cc
 150
 151 #endif  // CC_TEST_LAYER_TEST_COMMON_H_