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     ~LayerImplTest();
  53
  54     template <typename T>
  55     T* AddChildToRoot() {
  56       scoped_ptr<T> layer =
  57           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++);
  58       T* ptr = layer.get();
  59       root_layer_impl_->AddChild(layer.Pass());
  60       return ptr;
  61     }
  62
  63     template <typename T>
  64     T* AddChild(LayerImpl* parent) {
  65       scoped_ptr<T> layer =
  66           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++);
  67       T* ptr = layer.get();
  68       parent->AddChild(layer.Pass());
  69       return ptr;
  70     }
  71
  72     template <typename T, typename A>
  73     T* AddChildToRoot(const A& a) {
  74       scoped_ptr<T> layer =
  75           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++, a);
  76       T* ptr = layer.get();
  77       root_layer_impl_->AddChild(layer.Pass());
  78       return ptr;
  79     }
  80
  81     template <typename T, typename A, typename B>
  82     T* AddChildToRoot(const A& a, const B& b) {
  83       scoped_ptr<T> layer =
  84           T::Create(host_->host_impl()->active_tree(), layer_impl_id_++, a, b);
  85       T* ptr = layer.get();
  86       root_layer_impl_->AddChild(layer.Pass());
  87       return ptr;
  88     }
  89
  90     template <typename T, typename A, typename B, typename C, typename D>
  91     T* AddChildToRoot(const A& a, const B& b, const C& c, const D& d) {
  92       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(),
  93                                       layer_impl_id_++, a, b, c, d);
  94       T* ptr = layer.get();
  95       root_layer_impl_->AddChild(layer.Pass());
  96       return ptr;
  97     }
  98
  99     template <typename T,
 100               typename A,
 101               typename B,
 102               typename C,
 103               typename D,
 104               typename E>
 105     T* AddChildToRoot(const A& a,
 106                       const B& b,
 107                       const C& c,
 108                       const D& d,
 109                       const E& e) {
 110       scoped_ptr<T> layer = T::Create(host_->host_impl()->active_tree(),
 111                                       layer_impl_id_++, a, b, c, d, e);
 112       T* ptr = layer.get();
 113       root_layer_impl_->AddChild(layer.Pass());
 114       return ptr;
 115     }
 116
 117     void CalcDrawProps(const gfx::Size& viewport_size);
 118     void AppendQuadsWithOcclusion(LayerImpl* layer_impl,
 119                                   const gfx::Rect& occluded);
 120     void AppendQuadsForPassWithOcclusion(LayerImpl* layer_impl,
 121                                          RenderPass* given_render_pass,
 122                                          const gfx::Rect& occluded);
 123     void AppendSurfaceQuadsWithOcclusion(RenderSurfaceImpl* surface_impl,
 124                                          const gfx::Rect& occluded);
 125
 126     OutputSurface* output_surface() const {
 127       return host_->host_impl()->output_surface();
 128     }
 129     ResourceProvider* resource_provider() const {
 130       return host_->host_impl()->resource_provider();
 131     }
 132     LayerImpl* root_layer() const { return root_layer_impl_.get(); }
 133     FakeLayerTreeHost* host() { return host_.get(); }
 134     FakeLayerTreeHostImpl* host_impl() const { return host_->host_impl(); }
 135     Proxy* proxy() const { return host_->host_impl()->proxy(); }
 136     const QuadList& quad_list() const { return render_pass_->quad_list; }
 137
 138    private:
 139     FakeLayerTreeHostClient client_;
 140     TestTaskGraphRunner task_graph_runner_;
 141     scoped_ptr<FakeLayerTreeHost> host_;
 142     scoped_ptr<LayerImpl> root_layer_impl_;
 143     scoped_ptr<RenderPass> render_pass_;
 144     int layer_impl_id_;
 145   };
 146 };
 147
 148 }  // namespace cc
 149
 150 #endif  // CC_TEST_LAYER_TEST_COMMON_H_